/* event-html — base reset, layout fallbacks (Tailwind build 전 최소 스타일) */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    'Noto Sans KR',
    sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

[hidden] {
  display: none !important;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#page {
  min-height: 100%;
  position: relative;
}

body.modal-open {
  overflow: hidden;
}

/* Font size control */
#page[data-font-size='small'] {
  font-size: 14px;
}

#page[data-font-size='base'] {
  font-size: 16px;
}

#page[data-font-size='large'] {
  font-size: 18px;
}

/* Layout fallbacks */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-1 {
  flex: 1 1 0%;
}

.flex-shrink-0 {
  flex-shrink: 0;
}

.items-start {
  align-items: flex-start;
}

.items-center {
  align-items: center;
}

.items-end {
  align-items: flex-end;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: 0.5rem;
}

.gap-3 {
  gap: 0.75rem;
}

.gap-6 {
  gap: 1.5rem;
}

.gap-10 {
  gap: 2.5rem;
}

.shrink-0 {
  flex-shrink: 0;
}

.w-full {
  width: 100%;
}

.w-12 {
  width: 3rem;
}

.h-8 {
  height: 2rem;
}

.h-14 {
  height: 3.5rem;
}

.max-w-3xl {
  max-width: 48rem;
}

.max-w-7xl {
  max-width: 80rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-2\.5 {
  margin-bottom: 0.625rem;
}

.mb-3 {
  margin-bottom: 0.75rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-5 {
  margin-bottom: 1.25rem;
}

.mt-0\.5 {
  margin-top: 0.125rem;
}

.mt-1 {
  margin-top: 0.25rem;
}

.mt-2 {
  margin-top: 0.5rem;
}

.px-2 {
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.px-5 {
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.px-6 {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.py-1 {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}

.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.py-2\.5 {
  padding-top: 0.625rem;
  padding-bottom: 0.625rem;
}

.py-3 {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.py-4 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.p-1\.5 {
  padding: 0.375rem;
}

.p-5 {
  padding: 1.25rem;
}

.p-6 {
  padding: 1.5rem;
}

.p-2 {
  padding: 0.5rem;
}

.px-2\.5 {
  padding-left: 0.625rem;
  padding-right: 0.625rem;
}

.pt-2 {
  padding-top: 0.5rem;
}

.text-center {
  text-align: center;
}

.text-xs {
  font-size: 0.75rem;
  line-height: 1rem;
}

.text-sm {
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.text-2xl {
  font-size: 1.5rem;
  line-height: 2rem;
}

.text-5xl {
  font-size: 3rem;
  line-height: 1;
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

.font-medium {
  font-weight: 500;
}

.leading-tight {
  line-height: 1.25;
}

.leading-relaxed {
  line-height: 1.625;
}

.leading-snug {
  line-height: 1.375;
}

.text-white {
  color: #fff;
}

.text-gray-600 {
  color: #4b5563;
}

.text-gray-700 {
  color: #374151;
}

.text-gray-900 {
  color: #111827;
}

.text-slate-500 {
  color: #64748b;
}

.text-slate-600 {
  color: #475569;
}

.text-slate-700 {
  color: #334155;
}

.text-slate-950 {
  color: #020617;
}

.text-red-500 {
  color: #ef4444;
}

.text-blue-600 {
  color: #2563eb;
}

.text-blue-700 {
  color: #1d4ed8;
}

.text-teal-200 {
  color: #99f6e4;
}

.text-teal-50 {
  color: #f0fdfa;
}

.text-teal-300 {
  color: #5eead4;
}

.text-teal-900 {
  color: #134e4a;
}

.text-purple-50 {
  color: #faf5ff;
}

.text-purple-200 {
  color: #e9d5ff;
}

.text-purple-300 {
  color: #d8b4fe;
}

.text-purple-900 {
  color: #581c87;
}

.bg-white {
  background-color: #fff;
}

.bg-gray-50 {
  background-color: #f9fafb;
}

.bg-gray-100 {
  background-color: #f3f4f6;
}

.bg-slate-100 {
  background-color: #f1f5f9;
}

.bg-blue-50 {
  background-color: #eff6ff;
}

.bg-blue-600 {
  background-color: #2563eb;
}

.bg-cyan-400 {
  background-color: #22d3ee;
}

.bg-fuchsia-400 {
  background-color: #e879f9;
}

.bg-white\/20 {
  background-color: rgba(255, 255, 255, 0.2);
}

.bg-teal-900\/60 {
  background-color: rgba(19, 78, 74, 0.6);
}

.bg-purple-900\/60 {
  background-color: rgba(88, 28, 135, 0.6);
}

.bg-slate-900\/45 {
  background-color: rgba(15, 23, 42, 0.45);
}

.bg-gradient-to-b {
  background-image: linear-gradient(to bottom, var(--tw-gradient-stops, #f9fafb, #fff));
}

.bg-gradient-to-br {
  background-image: linear-gradient(to bottom right, var(--tw-gradient-stops));
}

.from-gray-50 {
  --tw-gradient-from: #f9fafb;
  --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, transparent);
}

.to-white {
  --tw-gradient-to: #fff;
}

.from-teal-700 {
  --tw-gradient-from: #0f766e;
  --tw-gradient-stops: var(--tw-gradient-from), #0d9488, #0891b2;
}

.via-teal-600 {
  /* included in from-teal-700 stops */
}

.to-cyan-700 {
  --tw-gradient-to: #0e7490;
}

.agenda-panel-day1 .bg-gradient-to-br {
  background-image: linear-gradient(to bottom right, #0f766e, #0d9488, #0891b2);
}

.from-purple-700 {
  --tw-gradient-from: #7e22ce;
}

.agenda-panel-day2 .bg-gradient-to-br {
  background-image: linear-gradient(to bottom right, #7e22ce, #9333ea, #c026d3);
}

.border {
  border-width: 1px;
  border-style: solid;
}

.border-b {
  border-bottom-width: 1px;
  border-bottom-style: solid;
}

.border-gray-100 {
  border-color: #f3f4f6;
}

.border-gray-200 {
  border-color: #e5e7eb;
}

.border-slate-200 {
  border-color: #e2e8f0;
}

.border-blue-100 {
  border-color: #dbeafe;
}

.border-teal-600\/30 {
  border-color: rgba(13, 148, 136, 0.3);
}

.border-purple-600\/30 {
  border-color: rgba(147, 51, 234, 0.3);
}

.rounded {
  border-radius: 0.25rem;
}

.rounded-lg {
  border-radius: 0.5rem;
}

.rounded-xl {
  border-radius: 0.75rem;
}

.rounded-2xl {
  border-radius: 1rem;
}

.rounded-\[24px\] {
  border-radius: 24px;
}

.rounded-full {
  border-radius: 9999px;
}

.shadow-md {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.shadow-2xl {
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.sticky {
  position: sticky;
}

.top-0 {
  top: 0;
}

.relative {
  position: relative;
}

.fixed {
  position: fixed;
}

.inset-0 {
  inset: 0;
}

.z-50 {
  z-index: 50;
}

.z-\[100\] {
  z-index: 100;
}

.overflow-hidden {
  overflow: hidden;
}

.overflow-y-auto {
  overflow-y: auto;
}

.inline-flex {
  display: inline-flex;
}

.inline-block {
  display: inline-block;
}

.whitespace-nowrap {
  white-space: nowrap;
}

.space-y-2 > * + * {
  margin-top: 0.5rem;
}

.space-y-4 > * + * {
  margin-top: 1rem;
}

.backdrop-blur-sm {
  backdrop-filter: blur(4px);
}

.transition {
  transition-property: color, background-color, border-color, opacity, transform;
  transition-duration: 150ms;
}

.pointer-events-none {
  pointer-events: none;
}

.opacity-40 {
  opacity: 0.4;
}

.text-white\/40 {
  color: rgba(255, 255, 255, 0.4);
}

/* ── A variant: Header / Hero / Day tabs / Agenda (matches App.tsx) ── */

body.variant-a .site-header {
  background-color: rgba(255, 255, 255, 0.95);
}

body.variant-a .header-inner {
  height: 100%;
}

body.variant-a .header-login-button {
  display: none;
  align-items: center;
  justify-content: center;
  color: #475569;
  font-weight: 500;
  background: transparent;
  border: 0;
  box-shadow: none;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

@media (min-width: 1024px) {
  body.variant-a .header-login-button {
    display: inline-flex !important;
  }
}

body.variant-a .header-register-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  outline: none;
  box-shadow: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

/* ── A Enhanced Hero + top flow ── */
body.variant-a #page[data-active-day='day1'] {
  --hero-accent: #0f766e;
  --hero-accent-strong: #0891b2;
  --hero-accent-soft: rgba(14, 165, 233, 0.14);
  --hero-accent-soft-orb: rgba(14, 165, 233, 0.18);
  --hero-accent-bg: #e0f2fe;
  --hero-accent-text: #0369a1;
  --hero-accent-bg-tint: rgba(240, 249, 255, 0.96);
  --hero-section-glow: rgba(14, 165, 233, 0.08);
  --hero-section-end: #f8fbff;
  --hero-chip-border: #bae6fd;
  --hero-chip-shadow: rgba(14, 165, 233, 0.12);
  --hero-stage-border: #dbeafe;
  --hero-cross-color: rgba(14, 165, 233, 0.75);
  --hero-network-stroke: rgba(14, 165, 233, 0.32);
  --hero-network-stroke-secondary: rgba(20, 184, 166, 0.24);
  --hero-button-start: #2563eb;
  --hero-button-end: #0891b2;
  --hero-button-shadow: rgba(37, 99, 235, 0.22);
  --hero-button-shadow-hover: rgba(37, 99, 235, 0.28);
}

body.variant-a #page[data-active-day='day2'] {
  --hero-accent: #6d28d9;
  --hero-accent-strong: #4f46e5;
  --hero-accent-soft: rgba(124, 58, 237, 0.14);
  --hero-accent-soft-orb: rgba(124, 58, 237, 0.16);
  --hero-accent-bg: #ede9fe;
  --hero-accent-text: #5b21b6;
  --hero-accent-bg-tint: rgba(245, 243, 255, 0.96);
  --hero-section-glow: rgba(124, 58, 237, 0.06);
  --hero-section-end: #faf8ff;
  --hero-chip-border: #ddd6fe;
  --hero-chip-shadow: rgba(124, 58, 237, 0.1);
  --hero-stage-border: #e9d5ff;
  --hero-cross-color: rgba(124, 58, 237, 0.55);
  --hero-network-stroke: rgba(124, 58, 237, 0.28);
  --hero-network-stroke-secondary: rgba(79, 70, 229, 0.2);
  --hero-button-start: #7c3aed;
  --hero-button-end: #2563eb;
  --hero-button-shadow: rgba(124, 58, 237, 0.18);
  --hero-button-shadow-hover: rgba(124, 58, 237, 0.24);
}

body.variant-a .hero-enhanced {
  position: relative;
  padding: 22px 0 30px;
  background:
    radial-gradient(circle at 18% 18%, var(--hero-section-glow), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, var(--hero-section-end) 100%);
  transition: background 420ms ease;
}

body.variant-a .hero-enhanced-container {
  width: 100%;
}

body.variant-a .hero-enhanced-card {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  border-radius: 32px;
  padding: 58px 64px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: 48px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.97), var(--hero-accent-bg-tint)),
    radial-gradient(circle at 78% 24%, var(--hero-accent-soft), transparent 34%);
  border: 1px solid #e2e8f0;
  box-shadow: 0 26px 70px rgba(15, 23, 42, 0.08);
  transition: background 420ms ease, border-color 420ms ease, box-shadow 420ms ease;
}

body.variant-a .hero-enhanced-copy {
  position: relative;
  z-index: 2;
}

body.variant-a .hero-enhanced--scale-bg .hero-enhanced-card {
  min-height: 520px;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border: 1px solid rgba(226, 232, 240, 0.72);
  box-shadow: 0 26px 70px rgba(15, 23, 42, 0.12);
  background: transparent;
  transition: border-color 420ms ease, box-shadow 420ms ease;
}

body.variant-a .hero-enhanced--scale-bg .hero-enhanced-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    url('../assets/images/cbmc-hero-main.png') 62% 38% / cover no-repeat;
}

body.variant-a .hero-enhanced--scale-bg .hero-enhanced-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.42) 0%, rgba(255, 255, 255, 0.14) 36%, rgba(255, 255, 255, 0) 54%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0) 42%, rgba(2, 6, 23, 0.14) 100%);
  pointer-events: none;
}

body.variant-a .hero-enhanced--scale-bg .hero-enhanced-copy {
  max-width: 620px;
  padding: 32px 36px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: 0 22px 54px rgba(15, 23, 42, 0.1);
  backdrop-filter: blur(14px);
}

body.variant-a .hero-reveal {
  opacity: 0;
  transform: translateY(16px);
  animation: heroLineReveal 720ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

body.variant-a .hero-reveal-1 {
  animation-delay: 80ms;
}

body.variant-a .hero-reveal-2 {
  animation-delay: 180ms;
}

body.variant-a .hero-reveal-3 {
  animation-delay: 300ms;
}

body.variant-a .hero-reveal-4 {
  animation-delay: 420ms;
}

body.variant-a .hero-reveal-5 {
  animation-delay: 540ms;
}

body.variant-a .hero-reveal-6 {
  animation-delay: 620ms;
}

body.variant-a .hero-eyebrow {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--hero-accent-bg);
  color: var(--hero-accent-text);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.04em;
  transition: background-color 360ms ease, color 360ms ease;
}

body.variant-a .hero-title {
  margin: 4px 0 0;
  color: #0f172a;
  font-size: clamp(42px, 4vw, 60px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.055em;
}

body.variant-a .hero-lead {
  margin: 22px 0 0;
  color: var(--hero-accent);
  font-size: clamp(23px, 2.1vw, 34px);
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: -0.04em;
  transition: color 360ms ease;
}

body.variant-a .hero-description {
  max-width: 640px;
  margin: 20px 0 0;
  color: #475569;
  font-size: 18px;
  line-height: 1.68;
}

body.variant-a .hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 30px;
}

body.variant-a .hero-primary-button,
body.variant-a .hero-secondary-button {
  height: 50px;
  padding: 0 23px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 900;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease;
  cursor: pointer;
}

body.variant-a .hero-primary-button {
  border: 0;
  color: #ffffff;
  background: linear-gradient(135deg, var(--hero-button-start), var(--hero-button-end));
  box-shadow: 0 16px 32px var(--hero-button-shadow);
  transition: transform 180ms ease, box-shadow 180ms ease, background 360ms ease;
}

body.variant-a .hero-primary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 36px var(--hero-button-shadow-hover);
}

body.variant-a .hero-secondary-button {
  border: 1px solid #cbd5e1;
  color: #334155;
  background: #ffffff;
}

body.variant-a .hero-secondary-button:hover {
  transform: translateY(-2px);
  background: #f8fafc;
}

body.variant-a .hero-visual {
  position: relative;
  min-height: 320px;
}

body.variant-a .hero-visual-photo {
  position: relative;
  display: block;
  width: 100%;
  min-height: 320px;
  margin: 0;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.95);
  box-shadow:
    0 24px 56px rgba(15, 23, 42, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

body.variant-a .hero-visual-photo img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  object-position: center 42%;
}

body.variant-a .hero-visual-photo-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0) 38%, rgba(15, 23, 42, 0.16) 100%),
    linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(37, 99, 235, 0.06));
  pointer-events: none;
}

body.variant-a .hero-enhanced--scale-bg .hero-visual {
  display: none;
}

body.variant-a .hero-visual-orb-main {
  position: absolute;
  right: 8%;
  top: 8%;
  width: 280px;
  height: 280px;
  border-radius: 999px;
  background: radial-gradient(circle, var(--hero-accent-soft-orb), var(--hero-accent-soft), transparent 68%);
  filter: blur(2px);
  transition: background 420ms ease;
}

body.variant-a .hero-cross-light {
  position: absolute;
  right: 34%;
  top: 20%;
  width: 120px;
  height: 120px;
  opacity: 0.34;
  animation: heroCrossPulse 4.8s ease-in-out infinite;
}

body.variant-a .hero-cross-light::before,
body.variant-a .hero-cross-light::after {
  content: '';
  position: absolute;
  background: linear-gradient(180deg, transparent, var(--hero-cross-color), transparent);
  border-radius: 999px;
  transition: background 360ms ease;
}

body.variant-a .hero-cross-light::before {
  left: 54px;
  top: 0;
  width: 12px;
  height: 120px;
}

body.variant-a .hero-cross-light::after {
  left: 0;
  top: 48px;
  width: 120px;
  height: 12px;
}

body.variant-a .hero-network-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

body.variant-a .hero-network-path {
  stroke: var(--hero-network-stroke);
  stroke-width: 2;
  stroke-dasharray: 8 10;
  animation: heroNetworkDash 9s linear infinite;
  transition: stroke 360ms ease;
}

body.variant-a .hero-network-path-secondary {
  stroke: var(--hero-network-stroke-secondary);
  transition: stroke 360ms ease;
}

body.variant-a .hero-network-dot {
  fill: var(--hero-accent-strong);
  opacity: 0.58;
  transition: fill 360ms ease;
}

body.variant-a .hero-keyword-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 15px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--hero-chip-border);
  color: var(--hero-accent-text);
  font-size: 13px;
  font-weight: 900;
  box-shadow: 0 12px 28px var(--hero-chip-shadow);
  animation: heroChipFloat 5.5s ease-in-out infinite;
  transition: border-color 360ms ease, color 360ms ease, box-shadow 360ms ease;
}

body.variant-a .hero-chip-mission {
  right: 14%;
  top: 10%;
}

body.variant-a .hero-chip-leadership {
  right: 2%;
  top: 34%;
  animation-delay: 0.7s;
}

body.variant-a .hero-chip-business {
  right: 38%;
  bottom: 18%;
  animation-delay: 1.2s;
}

body.variant-a .hero-chip-faith {
  right: 8%;
  bottom: 8%;
  animation-delay: 1.7s;
}

body.variant-a .hero-stage-card {
  position: absolute;
  left: 6%;
  bottom: 10%;
  width: 260px;
  border-radius: 24px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--hero-stage-border);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.1);
  transition: border-color 360ms ease;
}

body.variant-a .hero-stage-label {
  color: var(--hero-accent-strong);
  font-size: 13px;
  font-weight: 900;
  transition: color 360ms ease;
}

body.variant-a .hero-day-text-swap {
  animation: heroDayTextSwap 360ms ease both;
}

@keyframes heroDayTextSwap {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body.variant-a .hero-stage-card strong {
  display: block;
  margin-top: 10px;
  color: #0f172a;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 900;
}

body.variant-a .hero-stage-card small {
  display: block;
  margin-top: 8px;
  color: #64748b;
  font-size: 14px;
}

@keyframes heroLineReveal {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroNetworkDash {
  to {
    stroke-dashoffset: -72;
  }
}

@keyframes heroChipFloat {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

@keyframes heroCrossPulse {
  0%,
  100% {
    opacity: 0.24;
    transform: scale(1);
  }

  50% {
    opacity: 0.48;
    transform: scale(1.04);
  }
}

body.variant-a .day-tabs-section {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
}

body.variant-a .day-control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 18px 0 20px;
}

body.variant-a .day-tabs {
  display: flex;
  align-items: center;
  gap: 12px;
}

body.variant-a .day-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 9999px;
  min-width: 92px;
  min-height: 58px;
  padding: 10px 22px;
  background-color: #f3f4f6;
  color: #4b5563;
  font-weight: 700;
  box-shadow: none;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: background-color 150ms, color 150ms;
}

body.variant-a .day-tab .day-tab-date {
  display: block;
  margin-top: 0.125rem;
  font-weight: 400;
}

body.variant-a .day-tab:hover {
  background-color: #e5e7eb;
}

body.variant-a .day-tab.is-active[data-day-tab='day1'],
body.variant-a .day-tab[aria-selected='true'][data-day-tab='day1'] {
  background-color: #0d9488;
  color: #fff;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

body.variant-a .day-tab.is-active[data-day-tab='day2'],
body.variant-a .day-tab[aria-selected='true'][data-day-tab='day2'] {
  background-color: #9333ea;
  color: #fff;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

body.variant-a .font-size-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  color: #4b5563;
}

body.variant-a .font-size-label {
  font-size: 0.75rem;
  font-weight: 400;
}

@media (min-width: 640px) {
  body.variant-a .font-size-controls {
    gap: 0.5rem;
  }
}

body.variant-a .font-size-button {
  border: 0;
  background: transparent;
  padding: 0;
  min-width: auto;
  height: auto;
  color: #9ca3af;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1;
  box-shadow: none;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: color 150ms;
}

body.variant-a .font-size-button:hover {
  color: #111827;
}

body.variant-a .font-size-button.is-active {
  color: #111827;
}

body.variant-a .font-size-button-base {
  color: #374151;
  font-size: 0.875rem;
  font-weight: 500;
}

body.variant-a .font-size-button-base.is-active {
  color: #374151;
}

body.variant-a .font-size-button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

body.variant-a .font-size-button[aria-pressed='true'] {
  color: #111827;
}

body.variant-a #page,
body.variant-a #page[data-font-size='small'],
body.variant-a #page[data-font-size='normal'],
body.variant-a #page[data-font-size='large'] {
  font-size: 16px;
}

body.variant-a #page {
  --content-font-scale: 1;
  --content-line-scale: 1;
}

body.variant-a #page[data-font-size='small'] {
  --content-font-scale: 0.94;
  --content-line-scale: 0.98;
}

body.variant-a #page[data-font-size='normal'] {
  --content-font-scale: 1;
  --content-line-scale: 1;
}

body.variant-a #page[data-font-size='large'] {
  --content-font-scale: 1.08;
  --content-line-scale: 1.04;
}

body.variant-a .program-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

body.variant-a .program-section-head-copy {
  flex: 1;
  min-width: 0;
}

body.variant-a .program-font-size-controls {
  flex-shrink: 0;
  margin-top: 0.125rem;
}

/* A content font scale — reading areas only (.font-scale-target) */
body.variant-a .font-scale-target .program-section-title {
  font-size: calc(1.125rem * var(--content-font-scale));
  line-height: calc(1.3 * var(--content-line-scale));
}

@media (min-width: 1024px) {
  body.variant-a .font-scale-target .program-section-title {
    font-size: calc(1.5rem * var(--content-font-scale));
  }
}

body.variant-a .font-scale-target .program-section-desc {
  font-size: calc(0.75rem * var(--content-font-scale));
  line-height: calc(1.5 * var(--content-line-scale));
}

@media (min-width: 1024px) {
  body.variant-a .font-scale-target .program-section-desc {
    font-size: calc(0.875rem * var(--content-font-scale));
  }
}

body.variant-a .font-scale-target .program-time {
  font-size: calc(0.75rem * var(--content-font-scale));
  line-height: calc(1.45 * var(--content-line-scale));
}

body.variant-a .font-scale-target .program-place {
  font-size: calc(0.9375rem * var(--content-font-scale));
  line-height: calc(1.4 * var(--content-line-scale));
}

body.variant-a .font-scale-target .program-topic-title {
  font-size: calc(1rem * var(--content-font-scale));
  line-height: calc(1.45 * var(--content-line-scale));
}

body.variant-a .font-scale-target .program-mobile-time,
body.variant-a .font-scale-target .program-mobile-place {
  font-size: calc(14px * var(--content-font-scale));
  line-height: calc(1.3 * var(--content-line-scale));
}

body.variant-a .font-scale-target .program-mobile-topic {
  font-size: calc(18px * var(--content-font-scale));
  line-height: calc(1.35 * var(--content-line-scale));
}

body.variant-a .font-scale-target .program-mobile-speaker-text strong {
  font-size: calc(16px * var(--content-font-scale));
  line-height: calc(1.25 * var(--content-line-scale));
}

body.variant-a .font-scale-target .program-mobile-speaker-text span {
  font-size: calc(13px * var(--content-font-scale));
  line-height: calc(1.25 * var(--content-line-scale));
}

body.variant-a .font-scale-target .program-category,
body.variant-a .font-scale-target .program-category-pill {
  font-size: 0.75rem;
  line-height: 1.25;
}

body.variant-a .font-scale-target .program-speaker-name {
  font-size: calc(1rem * var(--content-font-scale));
  line-height: calc(1.35 * var(--content-line-scale));
}

body.variant-a .font-scale-target .program-speaker-affiliation {
  font-size: calc(0.8125rem * var(--content-font-scale));
  line-height: calc(1.35 * var(--content-line-scale));
}

body.variant-a .font-scale-target .program-break td {
  font-size: calc(0.75rem * var(--content-font-scale));
  line-height: calc(1.4 * var(--content-line-scale));
}

body.variant-a .font-scale-target .resource-badge.resource-none,
body.variant-a .font-scale-target .resource-badge.none {
  font-size: calc(14px * var(--content-font-scale));
  line-height: 1;
}

body.variant-a .font-scale-target .featured-header p {
  font-size: calc(0.875rem * var(--content-font-scale));
  line-height: calc(1.5 * var(--content-line-scale));
}

body.variant-a .font-scale-target .featured-card-title {
  font-size: calc(1rem * var(--content-font-scale));
  line-height: calc(1.375 * var(--content-line-scale));
}

body.variant-a .font-scale-target .featured-card-speaker {
  font-size: calc(0.875rem * var(--content-font-scale));
  line-height: calc(1.35 * var(--content-line-scale));
}

body.variant-a .font-scale-target .featured-card-aff,
body.variant-a .font-scale-target .featured-card-org {
  font-size: calc(0.75rem * var(--content-font-scale));
  line-height: calc(1.35 * var(--content-line-scale));
}

body.variant-a .font-scale-target .featured-card-time {
  font-size: calc(0.75rem * var(--content-font-scale));
  line-height: calc(1.45 * var(--content-line-scale));
}

body.variant-a .font-scale-target .ai-service-light-description {
  font-size: calc(0.875rem * var(--content-font-scale));
  line-height: calc(1.625 * var(--content-line-scale));
}

@media (min-width: 1024px) {
  body.variant-a .font-scale-target .ai-service-light-description {
    font-size: calc(1rem * var(--content-font-scale));
  }
}

body.variant-a .font-scale-target .ai-before-light-text,
body.variant-a .font-scale-target .ai-after-light-text {
  font-size: calc(0.875rem * var(--content-font-scale));
  line-height: calc(1.625 * var(--content-line-scale));
}

body.variant-a .font-scale-target .ai-service-light-card-title {
  font-size: calc(0.875rem * var(--content-font-scale));
  line-height: calc(1.35 * var(--content-line-scale));
}

@media (min-width: 640px) {
  body.variant-a .font-scale-target .ai-service-light-card-title {
    font-size: calc(1rem * var(--content-font-scale));
  }
}

body.variant-a .font-scale-target .ai-service-light-card-description {
  font-size: calc(0.75rem * var(--content-font-scale));
  line-height: calc(1.65 * var(--content-line-scale));
}

@media (min-width: 640px) {
  body.variant-a .font-scale-target .ai-service-light-card-description {
    font-size: calc(0.875rem * var(--content-font-scale));
  }
}

body.variant-a .font-scale-target.final-cta p,
body.variant-a .font-scale-target .final-cta p {
  font-size: calc(0.875rem * var(--content-font-scale));
  line-height: calc(1.5 * var(--content-line-scale));
}

body.variant-a .font-scale-target .footer-info,
body.variant-a .font-scale-target .footer-info p {
  font-size: calc(0.75rem * var(--content-font-scale));
  line-height: calc(1.5 * var(--content-line-scale));
}

body.variant-a .font-scale-target :is(
  .ai-btn,
  .resource-pdf,
  .resource-ppt,
  .resource-doc,
  .resource-private,
  .featured-card-ai-btn,
  .carousel-tab,
  .final-cta-btn,
  .ai-service-light-card-action,
  .program-card-label
) {
  font-size: 0.75rem;
  line-height: 1;
}

body.variant-a .agenda-section {
  padding: 24px 0 56px;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

body.variant-a .agenda-title {
  margin: 0 0 0.625rem;
  font-size: clamp(32px, 2.4vw, 42px);
  line-height: 1.25;
  font-weight: 900;
}

body.variant-a .agenda-description {
  margin: 0;
  font-size: 19px;
  line-height: 1.7;
}

body.variant-a .agenda-meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 34px;
}

body.variant-a .agenda-meta-row {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 18px;
  align-items: start;
}

body.variant-a .agenda-meta-label {
  font-size: 15px;
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.72);
}

body.variant-a .agenda-meta-value {
  font-size: 17px;
  line-height: 1.45;
  font-weight: 800;
  color: #ffffff;
}

body.variant-a .agenda-side-card {
  width: 100%;
  min-height: 230px;
  padding: 36px;
  animation: agendaSideFloat 5.8s ease-in-out infinite;
  will-change: transform;
}

body.variant-a .agenda-side-label {
  font-size: 16px;
  line-height: 1.35;
  font-weight: 800;
}

body.variant-a .agenda-panel-day1 .agenda-side-label {
  color: rgba(94, 234, 212, 0.92);
}

body.variant-a .agenda-panel-day2 .agenda-side-label {
  color: rgba(216, 180, 254, 0.92);
}

body.variant-a .agenda-side-title {
  display: block;
  margin-top: 14px;
  margin-bottom: 0;
  font-size: 22px;
  line-height: 1.35;
  font-weight: 900;
  color: #ffffff;
}

body.variant-a .agenda-side-bottom {
  margin-top: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

body.variant-a .agenda-side-number {
  font-size: 72px;
  line-height: 1;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.38);
}

body.variant-a .agenda-side-register-button {
  height: 48px;
  padding: 0 30px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 900;
}

body.variant-a .program-section {
  padding-top: 0px;
  scroll-margin-top: 4rem;
}

/* A variant — 7-column program table */
body.variant-a .program-desktop {
  overflow-x: auto;
}

body.variant-a .program-table {
  min-width: 1080px;
}

body.variant-a .program-thead th {
  min-height: 54px;
  padding: 0.875rem 0.75rem;
  background: #eefcf8;
  color: #334155;
  font-size: 14px;
  font-weight: 800;
  text-align: center;
  border-bottom: 1px solid #dbe5ea;
  vertical-align: middle;
}

body.variant-a .program-thead-purple th {
  background: #f5f3ff;
}

body.variant-a .program-col-time {
  width: 9%;
}

body.variant-a .program-col-place {
  width: 10%;
}

body.variant-a .program-col-category {
  width: 11%;
}

body.variant-a .program-col-topic {
  width: 24%;
}

body.variant-a .program-col-speaker {
  width: 18%;
}

body.variant-a .program-col-ai {
  width: 16%;
}

body.variant-a .program-col-resource {
  width: 12%;
  min-width: 6.5rem;
}

body.variant-a .program-row {
  min-height: 96px;
  border-bottom: 1px solid #e5eaf0;
}

body.variant-a .program-row td {
  padding: 22px 18px;
  vertical-align: middle;
}

body.variant-a .program-place {
  color: #475569;
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
}

body.variant-a .program-category-cell {
  text-align: center;
}

body.variant-a .program-category-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: #e9fbf7;
  color: #008f83;
  font-size: 14px;
  font-weight: 900;
  white-space: nowrap;
}

body.variant-a .program-panel [class*='bg-purple-50'] {
  background: #f3e8ff !important;
  color: #7e22ce !important;
}

body.variant-a .program-topic-cell {
  text-align: left;
  min-width: 0;
}

body.variant-a .program-topic-title {
  display: block;
  color: #0f172a;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 900;
  word-break: keep-all;
}

body.variant-a .program-speaker-col {
  text-align: left;
}

body.variant-a .program-speaker-cell {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
  margin: 0;
  width: 100%;
}

body.variant-a .program-speaker-avatar {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
}

body.variant-a .program-speaker-info {
  min-width: 0;
  display: grid;
  gap: 4px;
  text-align: left;
}

body.variant-a .program-speaker-name {
  color: #0f172a;
  font-size: 16px;
  line-height: 1.35;
  font-weight: 900;
  white-space: nowrap;
}

body.variant-a .program-speaker-affiliation {
  color: #64748b;
  font-size: 13px;
  line-height: 1.35;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* A variant — AI content & resource columns */
body.variant-a .program-ai-col,
body.variant-a .program-resource-col {
  vertical-align: middle;
  text-align: center;
}

body.variant-a .program-ai-col .program-ai-buttons,
body.variant-a .program-ai-actions {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: nowrap;
  min-width: 0;
  vertical-align: middle;
}

body.variant-a .program-ai-col .program-ai-buttons .program-ai-button,
body.variant-a .program-ai-actions .program-ai-button {
  flex: 0 0 auto;
  white-space: nowrap;
}

body.variant-a .program-ai-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  box-sizing: border-box;
  height: 36px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  line-height: 1;
  font-weight: 900;
  white-space: nowrap;
  vertical-align: middle;
}

body.variant-a .program-ai-button .icon-sm {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  display: block;
}

body.variant-a .program-resource-col .resource-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  box-sizing: border-box;
  height: 36px;
  padding: 0 14px;
  margin: 0;
  border-radius: 999px;
  font-size: 14px;
  line-height: 1;
  font-weight: 900;
  white-space: nowrap;
  vertical-align: middle;
}

body.variant-a .program-resource-col .resource-badge-icon {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  display: block;
}

body.variant-a .program-resource-col .resource-badge.none,
body.variant-a .program-resource-col .resource-badge.resource-none {
  color: #64748b;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  box-shadow: none;
  cursor: default;
}

body.variant-a .program-resource-col .resource-badge.resource-private {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #b45309;
  box-shadow: none;
  cursor: default;
}

body.variant-a .program-resource-col .resource-badge.resource-pdf,
body.variant-a .program-resource-col .resource-badge.resource-ppt,
body.variant-a .program-resource-col .resource-badge.resource-doc {
  border: 1px solid transparent;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

body.variant-a .program-mobile-resource .resource-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  box-sizing: border-box;
  height: 36px;
  padding: 0 14px;
  margin: 0;
  border-radius: 999px;
  font-size: 14px;
  line-height: 1;
  font-weight: 900;
  white-space: nowrap;
  vertical-align: middle;
}

body.variant-a .program-mobile-resource .resource-badge.none,
body.variant-a .program-mobile-resource .resource-badge.resource-none {
  color: #64748b;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  box-shadow: none;
}

body.variant-a .program-mobile-resource .resource-badge.resource-private {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #b45309;
  box-shadow: none;
}

body.variant-a .program-mobile-resource .resource-badge.resource-pdf,
body.variant-a .program-mobile-resource .resource-badge.resource-ppt,
body.variant-a .program-mobile-resource .resource-badge.resource-doc {
  border: 1px solid transparent;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

body.variant-a .font-scale-target .program-ai-col .program-ai-button,
body.variant-a .font-scale-target .program-mobile-ai-actions .program-ai-button {
  font-size: calc(14px * var(--content-font-scale));
}

body.variant-a .font-scale-target .program-resource-col .resource-badge,
body.variant-a .font-scale-target .program-mobile-resource .resource-badge {
  font-size: calc(14px * var(--content-font-scale));
}

body.variant-a .program-break td,
body.variant-a .program-break-row td {
  padding: 0.75rem 1rem;
  background: #f8fafc;
  color: #64748b;
  font-size: 15px;
  font-weight: 800;
  border-bottom: 1px solid #e5eaf0;
}

/* A variant — choice session rows (standard 7-column table) */
body.variant-a .program-choice-parent-row-a {
  min-height: 72px;
  background: #ffffff;
}

body.variant-a .program-choice-child-row-a {
  min-height: 92px;
  background: #ffffff;
  border-bottom: 1px solid #eef2f7;
}

body.variant-a .program-choice-child-row-a:last-of-type {
  border-bottom: 1px solid #e5eaf0;
}

body.variant-a .program-empty-time {
  color: transparent;
  pointer-events: none;
}

body.variant-a .program-empty-cell {
  padding: 22px 18px;
}

body.variant-a .program-category-choice,
body.variant-a .program-category-choice-child {
  min-height: 28px;
  height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 14px;
  line-height: 28px;
  font-weight: 900;
  white-space: nowrap;
  background: #f3e8ff !important;
  color: #7e22ce !important;
}

body.variant-a .program-mobile-card {
  display: none;
}

@media (max-width: 1023px) {
  body.variant-a #page[data-font-size='large'] {
    --content-font-scale: 1.05;
    --content-line-scale: 1.03;
  }

  body.variant-a .program-table-wrap {
    border: 0;
    background: transparent;
    display: grid;
    gap: 12px;
  }

  body.variant-a .program-mobile-list {
    display: grid;
    gap: 12px;
  }

  body.variant-a .program-row.program-row-session {
    display: block;
    min-height: 0;
    padding: 0;
    border: 1px solid #dfe7ef;
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.045);
    overflow: hidden;
  }

  body.variant-a .program-row.program-row-session.program-row-featured {
    background: #ffffff;
    border-color: #c7d8f8;
  }

  body.variant-a .program-mobile-card {
    display: grid;
    padding: 16px 16px 15px;
    gap: 11px;
  }

  body.variant-a .program-mobile-meta-line {
    display: flex;
    align-items: center;
    gap: 7px;
    min-width: 0;
    color: #475569;
    font-size: 14px;
    line-height: 1.3;
    font-weight: 800;
  }

  body.variant-a .program-mobile-time {
    color: #0f172a;
    font-weight: 900;
    white-space: nowrap;
  }

  body.variant-a .program-mobile-dot {
    color: #cbd5e1;
    font-weight: 900;
  }

  body.variant-a .program-mobile-place {
    color: #475569;
    font-weight: 800;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  body.variant-a .program-mobile-category {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 11px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 900;
    white-space: nowrap;
  }

  body.variant-a .program-mobile-category-teal {
    background: #e9fbf7;
    color: #008f83;
  }

  body.variant-a .program-mobile-category-purple {
    background: #f3e8ff;
    color: #7e22ce;
  }

  body.variant-a .program-mobile-topic-line {
    display: flex;
    align-items: baseline;
    gap: 9px;
    min-width: 0;
  }

  body.variant-a .program-mobile-label {
    flex: 0 0 auto;
    color: #94a3b8;
    font-size: 13px;
    line-height: 1.3;
    font-weight: 900;
    white-space: nowrap;
  }

  body.variant-a .program-mobile-label::after {
    content: ' :';
  }

  body.variant-a .program-mobile-topic {
    min-width: 0;
    color: #0f172a;
    font-size: 18px;
    line-height: 1.35;
    font-weight: 900;
    word-break: keep-all;
  }

  body.variant-a .program-mobile-speaker-line {
    display: flex;
    align-items: center;
    gap: 11px;
    padding-top: 10px;
    border-top: 1px solid #eef2f7;
  }

  body.variant-a .program-mobile-avatar {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    border-radius: 999px;
    object-fit: cover;
    border: 1px solid #dfe7ef;
    background: #f8fafc;
  }

  body.variant-a .program-mobile-speaker-text {
    min-width: 0;
    display: grid;
    gap: 2px;
  }

  body.variant-a .program-mobile-speaker-text strong {
    color: #0f172a;
    font-size: 16px;
    line-height: 1.25;
    font-weight: 900;
    white-space: nowrap;
  }

  body.variant-a .program-mobile-speaker-text span {
    color: #64748b;
    font-size: 13px;
    line-height: 1.25;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  body.variant-a .program-mobile-action-line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-top: 10px;
    border-top: 1px solid #eef2f7;
  }

  body.variant-a .program-mobile-ai-actions,
  body.variant-a .program-choice-actions-a {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    flex-wrap: nowrap;
    min-width: 0;
  }

  body.variant-a .program-mobile-ai-actions .program-ai-button,
  body.variant-a .program-choice-actions-a .program-ai-button {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  body.variant-a .program-mobile-resource {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }

  body.variant-a .program-mobile-action-line .program-ai-button,
  body.variant-a .program-mobile-action-line .resource-badge {
    box-sizing: border-box;
    height: 32px;
    padding: 0 12px;
    font-size: 13px;
    border-radius: 999px;
  }

  body.variant-a .program-mobile-action-line .program-ai-button {
    border: 1px solid transparent;
  }

  body.variant-a .program-mobile-category,
  body.variant-a .program-mobile-action-line .program-ai-button,
  body.variant-a .program-mobile-action-line .resource-badge {
    font-size: 13px;
  }

  body.variant-a .program-break-row {
    min-height: 0;
    padding: 13px 16px;
    border-radius: 14px;
    background: #f8fafc;
    border: 1px solid #e5eaf0;
    color: #64748b;
    font-size: 14px;
    font-weight: 800;
    text-align: center;
    box-shadow: none;
  }

  body.variant-a .program-choice-parent-row-a.program-row-session {
    display: block;
    min-height: 0;
    padding: 0;
    border: 1px solid #dfe7ef;
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.045);
    overflow: hidden;
  }

  body.variant-a .program-choice-child-row-a.program-row-session {
    display: block;
    min-height: 0;
    padding: 0;
    margin-top: 10px;
    border: 1px solid #dfe7ef;
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.045);
    overflow: hidden;
  }

  body.variant-a .program-choice-child-row-a .program-mobile-meta-line .program-mobile-place {
    color: #64748b;
    font-size: 13px;
    font-weight: 800;
  }

  body.variant-a .program-choice-child-row-a .program-mobile-meta-line .program-mobile-place::before {
    content: '장소';
    margin-right: 6px;
    color: #94a3b8;
    font-size: 12px;
    font-weight: 900;
  }

  body.variant-a .program-choice-child-row-a .program-mobile-meta-line .program-mobile-category {
    margin-left: auto;
  }

  body.variant-a .program-time::before,
  body.variant-a .program-place::before,
  body.variant-a .program-topic-cell::before,
  body.variant-a .program-resource::before {
    content: none !important;
    display: none !important;
  }
}

@media (max-width: 380px) {
  body.variant-a .program-mobile-action-line {
    align-items: flex-start;
    flex-direction: column;
  }

  body.variant-a .program-mobile-resource {
    justify-content: flex-start;
  }
}

body.variant-a .agenda-card {
  position: relative;
  overflow: hidden;
  color: #fff;
}

body.variant-a .agenda-panel:not([hidden]) > .agenda-card {
  opacity: 0;
  transform: translateY(24px) scale(0.985);
  animation: agendaCardEnter 780ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

body.variant-a .agenda-panel.agenda-card-animate > .agenda-card {
  animation: agendaCardEnter 620ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes agendaCardEnter {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.985);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

body.variant-a .agenda-border-sweep {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}

body.variant-a .agenda-border-sweep::before {
  content: '';
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.85),
    rgba(94, 234, 212, 0.9),
    transparent
  );
  filter: blur(0.5px);
  animation: agendaBorderSweep 5.5s ease-in-out infinite;
}

body.variant-a .agenda-panel-day2 .agenda-border-sweep::before {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.85),
    rgba(216, 180, 254, 0.9),
    transparent
  );
}

@keyframes agendaBorderSweep {
  0%,
  42% {
    transform: translateX(0);
    opacity: 0;
  }

  52% {
    opacity: 1;
  }

  78%,
  100% {
    transform: translateX(360%);
    opacity: 0;
  }
}

@keyframes agendaSideFloat {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

body.variant-a .agenda-swap-animate {
  animation: agendaSwapFade 360ms ease both;
}

@keyframes agendaSwapFade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body.variant-a .agenda-meta-row.agenda-meta-animate {
  animation: agendaMetaFade 360ms ease both;
}

@keyframes agendaMetaFade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body.variant-a .program-reveal-section .program-section-title,
body.variant-a .program-reveal-section .program-section-desc,
body.variant-a .program-reveal-section .program-table-wrap {
  opacity: 0;
  transform: translateY(18px);
}

body.variant-a .program-reveal-section.program-visible .program-section-title {
  animation: programReveal 560ms ease forwards;
}

body.variant-a .program-reveal-section.program-visible .program-section-desc {
  animation: programReveal 560ms ease 100ms forwards;
}

body.variant-a .program-reveal-section.program-visible .program-table-wrap {
  animation: programReveal 620ms ease 220ms forwards;
}

@keyframes programReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body.variant-a .agenda-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

@media (min-width: 1024px) {
  body.variant-a .agenda-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 2.5rem;
  }

  body.variant-a .agenda-copy {
    flex: 1 1 0%;
    min-width: 0;
  }

  body.variant-a .agenda-side-card {
    flex: 0 0 420px;
    width: 420px;
    max-width: 420px;
    align-self: center;
  }
}

body.variant-a .agenda-side-register-button {
  border: 0;
  outline: none;
  box-shadow: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  white-space: nowrap;
}

@media (max-width: 1023px) {
  body.variant-a .hero-enhanced-card {
    grid-template-columns: 1fr;
    padding: 24px 44px;
  }

  body.variant-a .hero-visual {
    min-height: 240px;
  }

  body.variant-a .hero-visual-photo,
  body.variant-a .hero-visual-photo img {
    min-height: 240px;
  }

  body.variant-a .hero-enhanced--scale-bg .hero-enhanced-card {
    padding: 36px 44px;
    min-height: 420px;
  }

  body.variant-a .hero-enhanced--scale-bg .hero-enhanced-card::before {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.34) 0%, rgba(255, 255, 255, 0.08) 42%, rgba(2, 6, 23, 0.12) 100%),
      linear-gradient(118deg, rgba(255, 255, 255, 0.48) 0%, rgba(255, 255, 255, 0.12) 48%, rgba(255, 255, 255, 0) 100%);
  }

  body.variant-a .hero-enhanced--scale-bg .hero-enhanced-bg {
    background-position: center 34%;
  }

  body.variant-a .hero-enhanced--scale-bg .hero-enhanced-copy {
    padding: 28px 30px;
    background: rgba(255, 255, 255, 0.86);
  }

  body.variant-a .day-control-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  body.variant-a .day-tabs {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  body.variant-a .day-tabs::-webkit-scrollbar {
    display: none;
  }

  body.variant-a .agenda-side-card {
    width: 100%;
    max-width: none;
  }
}

@media (max-width: 767px) {
  body.variant-a .program-ai-col .program-ai-buttons,
  body.variant-a .program-ai-actions,
  body.variant-a .program-mobile-ai-actions,
  body.variant-a .program-choice-actions-a {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 7px;
  }

  body.variant-a .program-ai-button {
    height: 32px;
    padding: 0 12px;
    font-size: 13px;
  }

  body.variant-a .resource-badge {
    height: 32px;
    padding: 0 12px;
    font-size: 13px;
  }

  body.variant-a .hero-enhanced {
    padding: 20px 0 28px;
  }

  body.variant-a .hero-enhanced-card {
    padding: 42px 26px;
    border-radius: 26px;
    min-height: 0;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.9) 44%, rgba(248, 250, 252, 0.84) 100%),
      linear-gradient(118deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.62) 52%, rgba(255, 255, 255, 0.2) 100%),
      url('../assets/images/cbmc-hero-main.png') center 38% / cover no-repeat;
    border-color: rgba(226, 232, 240, 0.88);
  }

  body.variant-a .hero-eyebrow,
  body.variant-a .hero-title,
  body.variant-a .hero-lead,
  body.variant-a .hero-description {
    text-shadow: 0 1px 14px rgba(255, 255, 255, 0.92);
  }

  body.variant-a .hero-visual {
    display: none;
  }

  body.variant-a .hero-enhanced--scale-bg .hero-enhanced-card {
    min-height: 380px;
    background: transparent;
  }

  body.variant-a .hero-enhanced--scale-bg .hero-enhanced-card::before {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.72) 0%, rgba(255, 255, 255, 0.38) 38%, rgba(255, 255, 255, 0.08) 100%),
      linear-gradient(118deg, rgba(255, 255, 255, 0.58) 0%, rgba(255, 255, 255, 0.16) 52%, rgba(255, 255, 255, 0) 100%);
  }

  body.variant-a .hero-enhanced--scale-bg .hero-enhanced-bg {
    background-position: center 32%;
  }

  body.variant-a .hero-enhanced--scale-bg .hero-enhanced-copy {
    max-width: none;
    padding: 26px 22px;
    background: rgba(255, 255, 255, 0.9);
  }

  body.variant-a .hero-title {
    font-size: 36px;
    line-height: 1.18;
  }

  body.variant-a .hero-lead {
    font-size: 23px;
  }

  body.variant-a .hero-description {
    font-size: 16px;
  }

  body.variant-a .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  body.variant-a .hero-primary-button,
  body.variant-a .hero-secondary-button {
    width: 100%;
  }

  body.variant-a .day-control-row {
    padding: 16px 0 18px;
  }

  body.variant-a .agenda-section {
    padding: 22px 0 48px;
  }

  body.variant-a .agenda-card {
    padding: 2.625rem 1.75rem;
  }

  body.variant-a .agenda-title {
    font-size: 1.75rem;
  }

  body.variant-a .agenda-description {
    font-size: 16px;
  }

  body.variant-a .agenda-meta-value {
    font-size: 16px;
  }

  body.variant-a .agenda-side-card {
    min-height: auto;
    padding: 28px;
    animation: none;
  }

  body.variant-a .agenda-side-title {
    font-size: 20px;
  }

  body.variant-a .agenda-side-number {
    font-size: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.variant-a .hero-reveal,
  body.variant-a .hero-day-text-swap,
  body.variant-a .hero-network-path,
  body.variant-a .hero-keyword-chip,
  body.variant-a .hero-cross-light,
  body.variant-a .agenda-card,
  body.variant-a .agenda-panel.agenda-card-animate > .agenda-card,
  body.variant-a .agenda-side-card,
  body.variant-a .agenda-border-sweep::before,
  body.variant-a .agenda-swap-animate,
  body.variant-a .agenda-meta-row.agenda-meta-animate,
  body.variant-a .program-reveal-section .program-section-title,
  body.variant-a .program-reveal-section .program-section-desc,
  body.variant-a .program-reveal-section .program-table-wrap {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }

  body.variant-a .program-reveal-section.program-visible .program-section-title,
  body.variant-a .program-reveal-section.program-visible .program-section-desc,
  body.variant-a .program-reveal-section.program-visible .program-table-wrap {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
}

/* Legacy day-tab alias */
.day-tab {
  border: none;
  cursor: pointer;
}

/* ── CBMC Modals (RegisterModal / LoginModal) ── */
.cbmc-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.cbmc-modal[hidden] {
  display: none !important;
}

.cbmc-modal:not([hidden]) {
  display: block;
}

.cbmc-modal-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  min-height: 100%;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
}

.cbmc-modal-dialog {
  position: relative;
  z-index: 1;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 24px;
  border: 1px solid #e2e8f0;
  padding: 1.5rem;
}

@media (min-width: 640px) {
  .cbmc-modal-dialog {
    padding: 2rem;
  }
}

#register-modal .cbmc-modal-dialog {
  max-width: 560px;
}

#login-modal .cbmc-modal-dialog {
  max-width: 440px;
}

.cbmc-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.cbmc-modal-title {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.25;
  font-weight: 700;
}

.cbmc-modal-description {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  line-height: 1.5;
}

.cbmc-modal-close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 0;
  border-radius: 9999px;
  cursor: pointer;
  transition: background-color 200ms ease, color 200ms ease;
}

.cbmc-modal-close-icon {
  width: 1.25rem;
  height: 1.25rem;
}

.cbmc-modal-form > * + * {
  margin-top: 1rem;
}

.cbmc-form-field {
  display: block;
}

.cbmc-form-label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.cbmc-form-input,
.cbmc-form-select,
.cbmc-form-textarea {
  display: block;
  width: 100%;
  min-height: 3rem;
  border-radius: 0.75rem;
  padding: 0 1rem;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.cbmc-form-textarea {
  min-height: 100px;
  height: auto;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  resize: vertical;
}

.cbmc-form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.25rem;
}

.cbmc-form-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  cursor: pointer;
}

.cbmc-form-checkbox {
  width: 1rem;
  height: 1rem;
  border-radius: 0.25rem;
}

.cbmc-form-link {
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 0.875rem;
  cursor: pointer;
  transition: color 200ms ease;
}

.cbmc-modal-actions {
  display: flex;
  gap: 0.75rem;
  padding-top: 0.5rem;
}

.cbmc-modal button {
  font-family: inherit;
  appearance: none;
}

.cbmc-modal-button-secondary,
.cbmc-modal-button-primary {
  display: inline-flex;
  flex: 1 1 0%;
  align-items: center;
  justify-content: center;
  height: 3rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 200ms ease, border-color 200ms ease, color 200ms ease, box-shadow 200ms ease;
}

.cbmc-modal-panel {
  border-radius: 1rem;
  border: 1px solid transparent;
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.cbmc-modal-panel-icon {
  width: 2rem;
  height: 2rem;
  margin: 0 auto 0.75rem;
}

.cbmc-modal-panel-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.cbmc-modal-panel-subtitle {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
}

/* A — light variant */
body.variant-a .cbmc-modal-dialog {
  background: #ffffff;
  color: #0f172a;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

body.variant-a .cbmc-modal-title {
  color: #020617;
}

body.variant-a .cbmc-modal-description {
  color: #64748b;
}

body.variant-a .cbmc-modal-close {
  color: #64748b;
  background: transparent;
}

body.variant-a .cbmc-modal-close:hover {
  color: #334155;
  background: #f1f5f9;
}

body.variant-a .cbmc-form-label {
  color: #334155;
}

body.variant-a .cbmc-form-required {
  color: #ef4444;
}

body.variant-a .cbmc-form-input,
body.variant-a .cbmc-form-select,
body.variant-a .cbmc-form-textarea {
  border: 1px solid #e2e8f0;
  background: #ffffff;
  color: #0f172a;
}

body.variant-a .cbmc-form-input::placeholder,
body.variant-a .cbmc-form-textarea::placeholder {
  color: #94a3b8;
}

body.variant-a .cbmc-form-input:focus,
body.variant-a .cbmc-form-select:focus,
body.variant-a .cbmc-form-textarea:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

body.variant-a .cbmc-form-checkbox {
  accent-color: #2563eb;
}

body.variant-a .cbmc-form-checkbox-label {
  color: #475569;
}

body.variant-a .cbmc-form-link {
  color: #64748b;
}

body.variant-a .cbmc-form-link:hover {
  color: #1d4ed8;
}

body.variant-a .cbmc-modal-button-secondary {
  border: 1px solid #e2e8f0;
  background: #ffffff;
  color: #334155;
}

body.variant-a .cbmc-modal-button-secondary:hover {
  background: #f8fafc;
}

body.variant-a .cbmc-modal-button-primary {
  border: 0;
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.2);
}

body.variant-a .cbmc-modal-button-primary:hover {
  background: #1d4ed8;
}

body.variant-a .cbmc-modal-panel--success {
  border-color: #bfdbfe;
  background: #eff6ff;
}

body.variant-a .cbmc-modal-panel--success .cbmc-modal-panel-icon {
  color: #2563eb;
}

body.variant-a .cbmc-modal-panel--success .cbmc-modal-panel-title {
  color: #1d4ed8;
}

body.variant-a .cbmc-modal-panel--success .cbmc-modal-panel-subtitle {
  color: #2563eb;
}

body.variant-a .cbmc-modal-panel--info {
  border-color: #bfdbfe;
  background: #eff6ff;
}

body.variant-a .cbmc-modal-panel--info .cbmc-modal-panel-icon {
  color: #2563eb;
}

body.variant-a .cbmc-modal-panel--info .cbmc-modal-panel-title {
  color: #1d4ed8;
}

/* B — dark variant */
body.variant-b .cbmc-modal-overlay {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(12px);
}

body.variant-b .cbmc-modal-dialog {
  border-color: rgba(103, 232, 249, 0.2);
  background: linear-gradient(to bottom right, #07111f, #0b1220, #111a3a);
  color: #ffffff;
  box-shadow: 0 25px 50px -12px rgba(6, 182, 212, 0.15);
}

body.variant-b .cbmc-modal-title {
  color: #ffffff;
}

body.variant-b .cbmc-modal-description {
  color: #94a3b8;
}

body.variant-b .cbmc-modal-close {
  color: #94a3b8;
  background: transparent;
}

body.variant-b .cbmc-modal-close:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

body.variant-b .cbmc-form-label {
  color: #cbd5e1;
}

body.variant-b .cbmc-form-required {
  color: #22d3ee;
}

body.variant-b .cbmc-form-input,
body.variant-b .cbmc-form-select,
body.variant-b .cbmc-form-textarea {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
}

body.variant-b .cbmc-form-input::placeholder,
body.variant-b .cbmc-form-textarea::placeholder {
  color: #64748b;
}

body.variant-b .cbmc-form-input:focus,
body.variant-b .cbmc-form-select:focus,
body.variant-b .cbmc-form-textarea:focus {
  border-color: #22d3ee;
  box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.2);
}

body.variant-b .cbmc-form-select option {
  background: #0f172a;
  color: #ffffff;
}

body.variant-b .cbmc-form-checkbox {
  accent-color: #22d3ee;
}

body.variant-b .cbmc-form-checkbox-label {
  color: #94a3b8;
}

body.variant-b .cbmc-form-link {
  color: #94a3b8;
}

body.variant-b .cbmc-form-link:hover {
  color: #67e8f9;
}

body.variant-b .cbmc-modal-button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  color: #cbd5e1;
}

body.variant-b .cbmc-modal-button-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

body.variant-b .cbmc-modal-button-primary {
  border: 0;
  background: linear-gradient(to right, #06b6d4, #2563eb);
  color: #ffffff;
  box-shadow: 0 10px 15px -3px rgba(6, 182, 212, 0.2);
}

body.variant-b .cbmc-modal-button-primary:hover {
  background: linear-gradient(to right, #22d3ee, #3b82f6);
}

body.variant-b .cbmc-modal-panel--success {
  border-color: rgba(103, 232, 249, 0.2);
  background: rgba(34, 211, 238, 0.1);
}

body.variant-b .cbmc-modal-panel--success .cbmc-modal-panel-icon {
  color: #67e8f9;
}

body.variant-b .cbmc-modal-panel--success .cbmc-modal-panel-title {
  color: #cffafe;
}

body.variant-b .cbmc-modal-panel--success .cbmc-modal-panel-subtitle {
  color: rgba(165, 243, 252, 0.8);
}

body.variant-b .cbmc-modal-panel--info {
  border-color: rgba(103, 232, 249, 0.2);
  background: rgba(34, 211, 238, 0.1);
}

body.variant-b .cbmc-modal-panel--info .cbmc-modal-panel-icon {
  color: #67e8f9;
}

body.variant-b .cbmc-modal-panel--info .cbmc-modal-panel-title {
  color: #cffafe;
}

@media (max-width: 640px) {
  .cbmc-modal-overlay {
    padding: 1rem;
    align-items: center;
  }

  .cbmc-modal-dialog {
    width: calc(100% - 0px);
    max-height: calc(100vh - 2rem);
  }
}

.flex-1 {
  flex: 1 1 0%;
}

@media (min-width: 640px) {
  .sm\:px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .sm\:p-8 {
    padding: 2rem;
  }

  .sm\:inline {
    display: inline;
  }
}

@media (min-width: 1024px) {
  .hidden.lg\:inline-flex {
    display: inline-flex !important;
  }

  .lg\:inline-flex {
    display: inline-flex;
  }

  .lg\:hidden {
    display: none;
  }

  .lg\:flex-row {
    flex-direction: row;
  }

  .lg\:items-center {
    align-items: center;
  }

  .lg\:w-80 {
    width: 20rem;
  }

  .lg\:px-8 {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .lg\:p-6 {
    padding: 1.5rem;
  }

  .lg\:p-12 {
    padding: 3rem;
  }

  .lg\:py-5 {
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
  }

  .lg\:py-8 {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .lg\:text-2xl {
    font-size: 1.5rem;
    line-height: 2rem;
  }

  .lg\:text-4xl {
    font-size: 2.25rem;
    line-height: 2.5rem;
  }

  .lg\:text-base {
    font-size: 1rem;
    line-height: 1.5rem;
  }

  .lg\:text-sm {
    font-size: 0.875rem;
    line-height: 1.25rem;
  }
}

@media (max-width: 1023px) {
  .hidden.lg\:inline-flex {
    display: none;
  }
}

/* ── Responsive utility fallbacks (hyphen alias) ── */
@media (min-width: 1024px) {
  .lg-hidden {
    display: none !important;
  }

  .lg-block {
    display: block !important;
  }

  .lg-py-12 {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .lg-py-14 {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .lg-py-20 {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  .lg-text-2xl {
    font-size: 1.5rem;
    line-height: 2rem;
  }

  .lg-text-3xl {
    font-size: 1.875rem;
    line-height: 2.25rem;
  }

  .lg-text-sm {
    font-size: 0.875rem;
    line-height: 1.25rem;
  }

  .lg-px-8 {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (max-width: 1023px) {
  .lg-block {
    display: none !important;
  }
}

.sm-px-6 {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (min-width: 640px) {
  .sm-px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

.max-w-4xl {
  max-width: 56rem;
}

.max-w-6xl {
  max-width: 72rem;
}

.max-w-7xl {
  max-width: 80rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.text-indigo-600 {
  color: #4f46e5;
}

.bg-teal-50 {
  background-color: #f0fdfa;
}

.text-teal-700 {
  color: #0f766e;
}

.bg-purple-50 {
  background-color: #faf5ff;
}

.text-purple-700 {
  color: #7e22ce;
}

.bg-gray-900 {
  background-color: #111827;
}

.text-gray-400 {
  color: #9ca3af;
}

.text-gray-600 {
  color: #4b5563;
}

.text-gray-700 {
  color: #374151;
}

.text-center {
  text-align: center;
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-5 {
  margin-bottom: 1.25rem;
}

.mb-6 {
  margin-bottom: 1.5rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.py-8 {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.py-10 {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.py-12 {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.py-16 {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

.relative {
  position: relative;
}

.overflow-hidden {
  overflow: hidden;
}

.z-10 {
  z-index: 10;
}

.icon-sm {
  width: 0.875rem;
  height: 0.875rem;
  flex-shrink: 0;
}

/* Mobile bottom spacing for sticky CTA + floating chat */
@media (max-width: 1023px) {
  body.variant-a #page {
    padding-bottom: 6.5rem;
  }
}

@media (max-width: 1023px) {
  body.variant-a .floating-ai-chat-wrap {
    right: 1rem;
    bottom: 5.5rem;
  }
}

@media (max-width: 390px) {
  body.variant-a .site-header .flex.justify-between {
    gap: 0.5rem;
  }

  body.variant-a .day-tab {
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
  }

}

/* ── Program section (matches App.tsx ProgramRow / ResourceBadge) ── */
.program-section {
  background: #fff;
}

.program-desktop {
  overflow-x: auto;
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
  background: #fff;
}

.program-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.program-thead th {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #e5e7eb;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: #374151;
}

.program-thead-teal {
  background: #f0fdfa;
}

.program-thead-purple {
  background: #faf5ff;
}

.program-col-time {
  width: 8rem;
}

.program-col-speaker {
  width: 11rem;
}

.program-col-ai {
  width: 12rem;
}

.program-col-resource {
  width: 10rem;
  min-width: 10rem;
}

.program-row {
  border-top: 1px solid #e5e7eb;
  transition: background-color 0.15s;
}

@media (hover: hover) {
  .program-row:hover {
    background: rgba(249, 250, 251, 0.5);
  }
}

.program-row td {
  padding: 1.25rem 0.75rem;
  vertical-align: middle;
  text-align: center;
}

.program-speaker-col {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.program-row-featured {
  background: rgba(239, 246, 255, 0.2);
}

.program-time {
  font-size: 0.75rem;
  font-weight: 500;
  color: #374151;
  white-space: nowrap;
}

.program-topic {
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.4;
  color: #111827;
  text-align: center;
}

.program-category {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  vertical-align: middle;
}

.program-speaker-cell {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: fit-content;
  min-width: 11.875rem;
  margin: 0 auto;
  text-align: left;
}

.program-speaker-avatar {
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  border: 1px solid #e2e8f0;
  border-radius: 9999px;
  object-fit: cover;
  background: #f8fafc;
}

.program-speaker-text strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25;
  color: #0f172a;
}

.program-speaker-text span {
  display: block;
  margin-top: 0.125rem;
  font-size: 0.75rem;
  line-height: 1.25;
  color: #64748b;
}

.program-ai-col .program-ai-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.ai-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  border: none;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: background-color 0.15s;
}

.ai-btn-replay-teal {
  background: #f0fdfa;
  color: #0f766e;
}

.ai-btn-replay-teal:hover {
  background: #ccfbf1;
}

.ai-btn-replay-purple {
  background: #faf5ff;
  color: #7e22ce;
}

.ai-btn-replay-purple:hover {
  background: #f3e8ff;
}

.ai-btn-summary {
  background: #eef2ff;
  color: #4338ca;
}

.ai-btn-summary:hover {
  background: #e0e7ff;
}

.program-resource-col {
  text-align: center;
}

.program-resource-col .resource-badge {
  white-space: nowrap;
}

.resource-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  flex-shrink: 0;
  border: none;
  font-family: inherit;
  cursor: default;
}

.resource-badge-icon {
  width: 0.875rem;
  height: 0.875rem;
  flex-shrink: 0;
}

.resource-none {
  font-size: 0.75rem;
  font-weight: 400;
  color: #9ca3af;
  background: transparent;
}

.resource-private {
  padding: 0.375rem 0.625rem;
  border: 1px solid #fde68a;
  border-radius: 0.5rem;
  background: #fffbeb;
  font-size: 0.75rem;
  font-weight: 500;
  color: #b45309;
}

.resource-pdf,
.resource-ppt,
.resource-doc {
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: background-color 0.15s;
}

.resource-pdf {
  background: #fef2f2;
  color: #b91c1c;
}

.resource-pdf:hover {
  background: #fee2e2;
}

.resource-ppt {
  background: #fff7ed;
  color: #c2410c;
}

.resource-ppt:hover {
  background: #ffedd5;
}

.resource-doc {
  background: #eff6ff;
  color: #1d4ed8;
}

.resource-doc:hover {
  background: #dbeafe;
}

/* legacy alias */
.resource-file {
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  background: #eff6ff;
  font-size: 0.75rem;
  font-weight: 600;
  color: #1d4ed8;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.program-break td,
.program-break-row td {
  padding: 0.5rem 0.75rem;
  border-top: 1px solid #e5e7eb;
  background: #f9fafb;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 500;
  color: #4b5563;
}

.program-mobile {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.program-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 1rem;
}

.program-card-featured {
  border-color: #93c5fd;
  background: rgba(239, 246, 255, 0.35);
}

.program-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.program-card-time {
  font-size: 0.75rem;
  font-weight: 500;
  color: #4b5563;
}

.program-card-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 0.75rem;
}

.program-card-section-label {
  font-size: 0.75rem;
  color: #6b7280;
  margin-bottom: 0.375rem;
}

/* ── Featured lectures carousel (A variant — matches React FeaturedLecturesSection) ── */
body.variant-a .featured-section,
body.variant-a .highlights-section {
  background: #fff;
}

body.variant-a .featured-container {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  body.variant-a .featured-container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  body.variant-a .featured-container {
    padding: 0 2rem;
  }
}

body.variant-a .featured-header {
  margin-bottom: 2rem;
  text-align: center;
}

body.variant-a .featured-tabs-wrap {
  margin-bottom: 2rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

body.variant-a .featured-tabs-wrap::-webkit-scrollbar {
  display: none;
}

@media (min-width: 1024px) {
  body.variant-a .featured-tabs-wrap {
    margin-bottom: 2.5rem;
  }
}

body.variant-a .featured-tabs,
body.variant-a [data-carousel-tabs] {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  width: max-content;
  max-width: 100%;
  margin: 0 auto;
}

@media (min-width: 640px) {
  body.variant-a .featured-tabs,
  body.variant-a [data-carousel-tabs] {
    width: auto;
  }
}

body.variant-a .carousel-tab {
  flex-shrink: 0;
  padding: 0.5rem 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 9999px;
  background: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  color: #475569;
  cursor: pointer;
  transition: all 0.2s;
}

@media (min-width: 640px) {
  body.variant-a .carousel-tab {
    font-size: 0.875rem;
  }
}

body.variant-a .carousel-tab:hover {
  border-color: #e2e8f0;
  background: #eff6ff;
  color: #1d4ed8;
}

body.variant-a .carousel-tab.is-active,
body.variant-a .carousel-tab[aria-selected='true'] {
  border-color: #2563eb;
  background: #2563eb;
  color: #fff;
  box-shadow: 0 1px 2px rgba(59, 130, 246, 0.2);
}

body.variant-a .featured-carousel-shell {
  position: relative;
  margin-bottom: 1.5rem;
  overflow: visible;
}

body.variant-a .featured-track {
  display: flex;
  gap: 24px;
  width: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding: 1rem 0;
  scrollbar-width: none;
}

body.variant-a .featured-track::-webkit-scrollbar {
  display: none;
}

body.variant-a .featured-card {
  flex: 0 0 var(--featured-card-width, 84vw);
  width: var(--featured-card-width, 84vw);
  min-width: 0;
  flex-shrink: 0;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  border: 1px solid #e5e7eb;
  border-radius: 1rem;
  background: #fff;
  padding: 1rem;
  box-shadow: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}

body.variant-a .featured-card:hover {
  border-color: #d1d5db;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body.variant-a .featured-card-body {
  display: flex;
  flex: 1;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

body.variant-a .featured-card-text {
  flex: 1;
  min-width: 0;
}

body.variant-a .featured-card-title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.375;
  color: #111827;
}

body.variant-a .featured-card-speaker {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: #111827;
}

body.variant-a .featured-card-aff,
body.variant-a .featured-card-org {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.25;
  color: #4b5563;
}

body.variant-a .featured-card-speaker-image,
body.variant-a .featured-card-photo {
  width: 4rem;
  height: 4rem;
  border-radius: 0.75rem;
  object-fit: cover;
  flex-shrink: 0;
}

@media (min-width: 640px) {
  body.variant-a .featured-card-speaker-image,
  body.variant-a .featured-card-photo {
    width: 5rem;
    height: 5rem;
  }
}

body.variant-a .featured-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border-top: 1px solid #f3f4f6;
  padding-top: 0.75rem;
}

body.variant-a .featured-card-time {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: #4b5563;
  white-space: nowrap;
}

body.variant-a .featured-card-ai-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0.625rem;
  border: none;
  border-radius: 9999px;
  background: #7c3aed;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s;
}

body.variant-a .featured-card-ai-btn:hover {
  background: #6d28d9;
}

body.variant-a .featured-nav {
  position: absolute;
  top: 50%;
  z-index: 30;
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-top: -1.25rem;
  border: 1px solid #e2e8f0;
  border-radius: 9999px;
  background: #fff;
  color: #334155;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}

@media (min-width: 768px) {
  body.variant-a .featured-nav:not([hidden]) {
    display: flex;
  }

  body.variant-a .featured-nav {
    width: 2.75rem;
    height: 2.75rem;
    margin-top: -1.375rem;
  }
}

body.variant-a .featured-nav:hover {
  background: #eff6ff;
  color: #1d4ed8;
}

body.variant-a .featured-nav svg {
  width: 1.25rem;
  height: 1.25rem;
}

body.variant-a .featured-nav-prev {
  left: -0.75rem;
}

body.variant-a .featured-nav-next {
  right: -0.75rem;
}

@media (min-width: 1024px) {
  body.variant-a .featured-nav-prev {
    left: -1.5rem;
  }

  body.variant-a .featured-nav-next {
    right: -1.5rem;
  }
}

body.variant-a .featured-footer-note {
  text-align: center;
}

body.variant-a .featured-footer-note p {
  margin: 0;
  font-size: 0.75rem;
  color: #6b7280;
}

/* ── AI services light (matches AIServicesSectionLight) ── */
.ai-service-light-section {
  background: linear-gradient(
    135deg,
    rgba(219, 234, 254, 0.6),
    rgba(237, 233, 254, 0.4),
    rgba(219, 234, 254, 0.6)
  );
}

.ai-service-light-bg-orb-right {
  display: none;
}

@media (min-width: 768px) {
  .ai-service-light-bg-orb-right,
  .ai-service-light-bg-orb-left {
    display: block;
  }
}

.ai-service-light-container {
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .ai-service-light-container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .ai-service-light-container {
    padding: 0 2rem;
  }
}

.ai-service-light-header {
  margin-bottom: 3rem;
  text-align: center;
}

.ai-service-light-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  background: #6366f1;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.ai-service-light-title {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
  color: #111827;
}

@media (min-width: 1024px) {
  .ai-service-light-title {
    font-size: 1.875rem;
  }
}

.ai-service-light-title-accent {
  color: #4f46e5;
}

.ai-service-light-description {
  max-width: 48rem;
  margin: 0 auto 2rem;
  font-size: 0.875rem;
  line-height: 1.625;
  color: #374151;
}

@media (min-width: 1024px) {
  .ai-service-light-description {
    font-size: 1rem;
  }
}

.ai-service-light-flow-wrap {
  max-width: 56rem;
  margin: 0 auto 2.5rem;
}

.ai-service-light-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

@media (min-width: 768px) {
  .ai-service-light-flow {
    flex-direction: row;
    gap: 1rem;
  }
}

.ai-before-light-card,
.ai-after-light-card {
  flex: 1;
  width: 100%;
  border-radius: 1.5rem;
  padding: 1rem 1.25rem;
  text-align: center;
}

@media (min-width: 640px) {
  .ai-before-light-card,
  .ai-after-light-card {
    padding: 1.25rem;
  }
}

.ai-before-light-card {
  border: 1px solid #e2e8f0;
  background: #fff;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.ai-before-light-label {
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #6b7280;
}

.ai-before-light-text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.625;
  color: #374151;
}

.ai-flow-br {
  display: none;
}

@media (min-width: 640px) {
  .ai-flow-br {
    display: inline;
  }
}

.ai-flow-light-arrow {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  border: 1px solid #bfdbfe;
  background: #fff;
  color: #2563eb;
  box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.1);
}

.ai-flow-light-arrow svg {
  width: 1.25rem;
  height: 1.25rem;
  transform: rotate(90deg);
}

@media (min-width: 768px) {
  .ai-flow-light-arrow svg {
    transform: rotate(0deg);
  }
}

.ai-after-light-card {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(90deg, #0ea5e9, #2563eb, #4f46e5);
  box-shadow: 0 20px 25px -5px rgba(59, 130, 246, 0.2);
}

.ai-after-light-label {
  position: relative;
  z-index: 1;
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #eff6ff;
}

.ai-after-light-text {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.625;
}

.ai-service-light-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 80rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .ai-service-light-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .ai-service-light-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

body.variant-a .ai-service-light-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid #e2e8f0;
  background: #fff;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.ai-service-light-icon {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.25rem;
  border-radius: 1rem;
}

.ai-service-light-icon-group {
  display: inline-flex;
  align-items: center;
  gap: 0.125rem;
}

.ai-service-combo-icons {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.125rem;
  color: #2563eb;
}

.ai-service-combo-play {
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
}

.ai-service-combo-headphones {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.ai-service-light-icon-svg {
  width: 1.25rem;
  height: 1.25rem;
}

.ai-service-light-icon-svg-lg {
  width: 1.75rem;
  height: 1.75rem;
}

.ai-service-light-icon-svg-xl {
  width: 2rem;
  height: 2rem;
}

.ai-service-light-icon-svg-sm {
  width: 1.25rem;
  height: 1.25rem;
}

.ai-service-light-icon.bg-blue-100 .ai-service-light-icon-svg {
  color: #2563eb;
}

.ai-service-light-icon.bg-purple-100 .ai-service-light-icon-svg {
  color: #9333ea;
}

.ai-service-light-icon.bg-indigo-100 .ai-service-light-icon-svg {
  color: #4f46e5;
}

.ai-service-light-icon.bg-teal-100 .ai-service-light-icon-svg {
  color: #0d9488;
}

.bg-blue-100 {
  background: #dbeafe;
}

.bg-purple-100 {
  background: #f3e8ff;
}

.bg-indigo-100 {
  background: #e0e7ff;
}

.bg-teal-100 {
  background: #ccfbf1;
}

.ai-service-light-card-title {
  position: relative;
  z-index: 10;
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: #111827;
}

.ai-service-light-card-description {
  position: relative;
  z-index: 10;
  flex: 1;
  margin: 0 0 1rem;
  font-size: 0.75rem;
  line-height: 1.625;
  color: #4b5563;
}

.ai-service-light-card-actions {
  position: relative;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.ai-service-light-chip {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  border-radius: 0.375rem;
  border: 1px solid;
  font-size: 0.75rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.ai-service-light-chip-blue {
  border-color: #bfdbfe;
  background: #eff6ff;
  color: #1d4ed8;
}

.ai-service-light-chip-purple {
  border-color: #e9d5ff;
  background: #faf5ff;
  color: #7e22ce;
}

.ai-service-light-chip-indigo {
  border-color: #c7d2fe;
  background: #eef2ff;
  color: #4338ca;
}

.ai-service-light-chip-teal {
  border-color: #99f6e4;
  background: #f0fdfa;
  color: #0f766e;
}

@media (hover: hover) {
  .ai-service-light-chip-blue:hover {
    transform: translateY(-2px);
    border-color: #93c5fd;
    background: #eff6ff;
    color: #1d4ed8;
  }

  .ai-service-light-chip-purple:hover {
    transform: translateY(-2px);
    border-color: #c4b5fd;
    background: #eef2ff;
    color: #4338ca;
  }

  .ai-service-light-chip-indigo:hover {
    transform: translateY(-2px);
    border-color: #a5b4fc;
    background: #f5f3ff;
    color: #6d28d9;
  }

  .ai-service-light-chip-teal:hover {
    transform: translateY(-2px);
    border-color: #7dd3fc;
    background: #f0f9ff;
    color: #0369a1;
  }
}

/* ── Final CTA ── */
.final-cta {
  background: linear-gradient(135deg, #2563eb, #1e40af);
  color: #fff;
}

.final-cta h2 {
  color: #fff;
}

.final-cta p {
  color: #bfdbfe;
  font-size: 0.875rem;
}

.final-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.75rem;
  border: none;
  border-radius: 0.5rem;
  background: #fff;
  color: #2563eb;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15);
  transition: background-color 0.15s;
}

.final-cta-btn:hover {
  background: #eff6ff;
}

/* ── Footer ── */
.site-footer {
  border-top: none;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
  }
}

.footer-logos {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 640px) {
  .footer-logos {
    flex-direction: row;
    gap: 1.5rem;
  }
}

.footer-logo-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-logo-label {
  font-size: 0.75rem;
  color: #6b7280;
}

.footer-cbmc-logo {
  height: 1.75rem;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.8;
}

.footer-livero-logo {
  height: 1.25rem;
  width: auto;
}

.footer-divider {
  display: none;
  width: 1px;
  height: 1.5rem;
  background: #374151;
}

@media (min-width: 640px) {
  .footer-divider {
    display: block;
  }
}

.footer-info {
  text-align: center;
  font-size: 0.75rem;
}

@media (min-width: 768px) {
  .footer-info {
    text-align: right;
  }
}

.footer-info p {
  margin: 0 0 0.375rem;
}

.footer-info p:last-child {
  margin-bottom: 0;
  color: #6b7280;
}

/* ── A variant: day tabs responsive (legacy selectors) ── */
body.variant-a [data-day-tabs] .day-control-row {
  flex-wrap: nowrap;
}

body.variant-a [data-font-size-controls] {
  flex-shrink: 0;
}

/* ── A variant: program panel min-height to reduce day-switch jump ── */
body.variant-a .program-panel {
  min-height: 1px;
}

/* ── A Floating register CTA (scroll) ── */
body.variant-a .floating-register-cta {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 24px);
  z-index: 680;
  min-width: min(720px, calc(100vw - 40px));
  max-width: 760px;
  min-height: 72px;
  padding: 12px 14px 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(191, 219, 254, 0.95);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(239, 246, 255, 0.92));
  box-shadow:
    0 24px 60px rgba(15, 23, 42, 0.16),
    0 8px 22px rgba(37, 99, 235, 0.12);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 260ms ease,
    transform 260ms ease,
    box-shadow 260ms ease;
}

body.variant-a .floating-register-cta.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

body.variant-a .floating-register-copy {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

body.variant-a .floating-register-icon {
  position: relative;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #0891b2);
  box-shadow:
    0 12px 26px rgba(37, 99, 235, 0.26),
    0 0 0 6px rgba(37, 99, 235, 0.08);
  overflow: hidden;
}

body.variant-a .floating-register-icon svg {
  width: 22px;
  height: 22px;
  position: relative;
  z-index: 2;
}

body.variant-a .floating-register-icon::before {
  content: '';
  position: absolute;
  inset: -40%;
  background: linear-gradient(
    120deg,
    transparent 0%,
    transparent 38%,
    rgba(255, 255, 255, 0.85) 48%,
    transparent 58%,
    transparent 100%
  );
  transform: translateX(-120%) rotate(18deg);
  animation: floatingRegisterIconShine 2.6s ease-in-out infinite;
}

body.variant-a .floating-register-icon::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: inherit;
  border: 1px solid rgba(37, 99, 235, 0.22);
  animation: floatingRegisterIconPulse 2.4s ease-in-out infinite;
}

@keyframes floatingRegisterIconShine {
  0%,
  35% {
    transform: translateX(-130%) rotate(18deg);
  }

  58%,
  100% {
    transform: translateX(130%) rotate(18deg);
  }
}

@keyframes floatingRegisterIconPulse {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(1);
  }

  50% {
    opacity: 0.95;
    transform: scale(1.12);
  }
}

body.variant-a .floating-register-text {
  display: grid;
  gap: 3px;
  min-width: 0;
}

body.variant-a .floating-register-text strong {
  color: #0f172a;
  font-size: 17px;
  line-height: 1.2;
  font-weight: 900;
}

body.variant-a .floating-register-text span {
  color: #64748b;
  font-size: 14px;
  line-height: 1.35;
  font-weight: 600;
  white-space: nowrap;
}

body.variant-a .floating-register-button {
  height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  border: 0;
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #0891b2);
  font-size: 15px;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.22);
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    filter 180ms ease;
}

body.variant-a .floating-register-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(37, 99, 235, 0.28);
  filter: brightness(1.03);
}

@media (max-width: 1023px) {
  body.variant-a .floating-register-cta {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.variant-a .floating-register-cta,
  body.variant-a .floating-register-icon::before,
  body.variant-a .floating-register-icon::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ── Mobile sticky CTA ── */
.mobile-sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.95);
  border-top: 1px solid #e5e7eb;
  backdrop-filter: blur(8px);
}

.mobile-sticky-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3);
}

.mobile-sticky-cta-btn svg {
  width: 1rem;
  height: 1rem;
}

/* ── Floating AI chat button (matches FloatingAIChatButton) ── */
.floating-ai-chat-wrap {
  position: fixed;
  right: 1rem;
  bottom: 5.5rem;
  z-index: 50;
}

body.variant-a .floating-ai-chat-wrap {
  z-index: 700;
}

@media (min-width: 1024px) {
  .floating-ai-chat-wrap {
    right: 1.5rem;
    bottom: 1.5rem;
  }

  body.variant-a .lg-hidden.mobile-sticky-cta {
    display: none !important;
  }
}

.floating-ai-chat-tooltip {
  pointer-events: none;
  position: absolute;
  bottom: calc(100% + 10px);
  right: 0;
  white-space: nowrap;
  padding: 0.375rem 0.625rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(15, 23, 42, 0.9);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
  transition: opacity 0.2s;
}

.floating-ai-chat-wrap:hover .floating-ai-chat-tooltip,
.floating-ai-chat-wrap:focus-within .floating-ai-chat-tooltip {
  opacity: 1;
}

.floating-ai-chat-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 9999px;
  background: linear-gradient(135deg, #3b82f6, #4f46e5);
  color: #fff;
  box-shadow: 0 20px 25px -5px rgba(59, 130, 246, 0.25);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

@media (min-width: 1024px) {
  .floating-ai-chat-button {
    width: 4rem;
    height: 4rem;
  }
}

.floating-ai-chat-button:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 25px 30px -5px rgba(59, 130, 246, 0.35);
}

.floating-ai-chat-button svg {
  width: 1.5rem;
  height: 1.5rem;
}

@media (min-width: 1024px) {
  .floating-ai-chat-button svg {
    width: 1.75rem;
    height: 1.75rem;
  }
}

.floating-ai-chat-spark {
  position: absolute;
  top: -2px;
  right: -2px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.floating-ai-chat-spark svg {
  width: 0.625rem;
  height: 0.625rem;
  color: #4f46e5;
}

/* ── Sample mark + scroll top (A/B shared) ── */
.cbmc-sample-mark {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.cbmc-sample-mark-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

body.variant-a .cbmc-sample-mark {
  border: 1px solid rgba(148, 163, 184, 0.28);
  background: rgba(248, 250, 252, 0.96);
  color: #475569;
}

body.variant-a .cbmc-sample-mark-icon {
  color: #0d9488;
}

body.variant-b .cbmc-sample-mark {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.1);
  color: #e0f2fe;
}

body.variant-b .cbmc-sample-mark-icon {
  color: #67e8f9;
}

a.cbmc-sample-mark-switch {
  text-decoration: none;
  cursor: pointer;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

body.variant-a a.cbmc-sample-mark-switch:hover {
  color: #0d9488;
  background: #ecfdf5;
  border-color: rgba(13, 148, 136, 0.28);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.1);
}

body.variant-b a.cbmc-sample-mark-switch:hover {
  color: #fff;
  background: rgba(103, 232, 249, 0.16);
  border-color: rgba(103, 232, 249, 0.36);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.14);
}

body.variant-a .hero-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

body.variant-a .hero-title-row .hero-title {
  margin: 0;
}

body.variant-b .b-hero-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

body.variant-b .b-hero-title-row .b-hero-title {
  margin: 0;
}

.cbmc-detail-lang-flag {
  display: block;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid rgba(148, 163, 184, 0.28);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.cbmc-detail-lang-flag svg {
  display: block;
  width: 100%;
  height: 100%;
}

.cbmc-detail-video-cover {
  overflow: hidden;
  background-color: #0f172a;
  background-image: url('../assets/images/ai-replay-cover.png');
  background-size: cover;
  background-position: 42% center;
  background-repeat: no-repeat;
}

.cbmc-detail-video-cover-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.78) 0%, rgba(15, 23, 42, 0.34) 46%, rgba(2, 6, 23, 0.84) 100%),
    linear-gradient(90deg, rgba(2, 6, 23, 0.62) 0%, rgba(15, 23, 42, 0.18) 52%, rgba(2, 6, 23, 0.58) 100%);
  pointer-events: none;
}

.cbmc-detail-video-cover .b-detail-video-topbar,
.cbmc-detail-video-cover .a-detail-video-topbar,
.variant-a .cbmc-detail-video-cover .a-detail-video-topbar,
.variant-b .cbmc-detail-video-cover .b-detail-video-topbar {
  color: rgba(248, 250, 252, 0.94);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.78), 0 0 24px rgba(0, 0, 0, 0.45);
}

.cbmc-detail-video-cover .b-detail-video-cover-title,
.cbmc-detail-video-cover .a-detail-video-cover-title,
.variant-a .cbmc-detail-video-cover .a-detail-video-cover-title,
.variant-b .cbmc-detail-video-cover .b-detail-video-cover-title {
  color: #ffffff;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.88), 0 0 40px rgba(0, 0, 0, 0.52);
}

.cbmc-detail-video-cover .b-detail-play-button,
.cbmc-detail-video-cover .a-detail-play-button,
.variant-a .cbmc-detail-video-cover .a-detail-play-button,
.variant-b .cbmc-detail-video-cover .b-detail-play-button {
  border: 3px solid rgba(255, 255, 255, 0.92);
  box-shadow:
    0 0 0 6px rgba(2, 6, 23, 0.42),
    0 8px 32px rgba(0, 0, 0, 0.55),
    0 0 48px rgba(34, 211, 238, 0.28);
}

body.cbmc-worship-player-page {
  overflow: hidden;
  background: #020617;
}

.cbmc-worship-player {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 18% 0%, rgba(34, 211, 238, 0.12), transparent 34%),
    radial-gradient(circle at 82% 100%, rgba(167, 139, 250, 0.1), transparent 36%),
    linear-gradient(180deg, #0f172a 0%, #020617 100%);
  color: #f8fafc;
}

.cbmc-worship-player-top {
  position: sticky;
  top: 0;
  z-index: 3;
  flex-shrink: 0;
  padding: calc(12px + env(safe-area-inset-top, 0px)) 16px 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  background: rgba(2, 6, 23, 0.88);
  backdrop-filter: blur(16px);
}

.cbmc-worship-player-topbar {
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  align-items: center;
  gap: 8px;
}

.cbmc-worship-player-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.72);
  color: #e2e8f0;
  cursor: pointer;
}

.cbmc-worship-player-icon-btn svg {
  width: 20px;
  height: 20px;
}

.cbmc-worship-player-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: rgba(226, 232, 240, 0.92);
}

.cbmc-worship-player-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22d3ee;
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.72);
  animation: cbmc-worship-pulse 1.6s ease-in-out infinite;
}

@keyframes cbmc-worship-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.88); }
}

.cbmc-worship-player-title {
  margin: 12px 0 0;
  font-size: clamp(22px, 4.8vw, 30px);
  line-height: 1.2;
  font-weight: 950;
  letter-spacing: -0.03em;
  text-align: center;
}

.cbmc-worship-player-source {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}

.cbmc-worship-player-source button {
  min-width: 88px;
  height: 36px;
  padding: 0 16px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.55);
  color: rgba(203, 213, 225, 0.86);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.cbmc-worship-player-source button.is-active {
  border-color: rgba(34, 211, 238, 0.55);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.22), rgba(167, 139, 250, 0.18));
  color: #ffffff;
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.18);
}

.cbmc-worship-player-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 16px 16px 24px;
}

.cbmc-worship-player-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.cbmc-worship-player-tabs button {
  flex: 1;
  height: 42px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.5);
  color: rgba(203, 213, 225, 0.82);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.cbmc-worship-player-tabs button.is-active {
  border-color: rgba(34, 211, 238, 0.48);
  background: rgba(34, 211, 238, 0.14);
  color: #ffffff;
}

.cbmc-worship-player-panel[hidden] {
  display: none !important;
}

.cbmc-worship-player-score-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(248, 250, 252, 0.96);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.cbmc-worship-player-score-img {
  display: block;
  width: 100%;
  height: auto;
}

.cbmc-worship-player-zoom {
  position: absolute;
  right: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.82);
  color: #f8fafc;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.cbmc-worship-player-zoom svg {
  width: 16px;
  height: 16px;
}

.cbmc-worship-player-lyrics {
  padding: 8px 4px 20px;
}

.cbmc-worship-player-lyrics-verse {
  margin: 0 0 28px;
  font-size: clamp(18px, 4.2vw, 24px);
  line-height: 1.75;
  font-weight: 700;
  text-align: center;
  color: rgba(241, 245, 249, 0.96);
}

.cbmc-worship-player-lyrics-verse span {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(34, 211, 238, 0.88);
}

.cbmc-worship-player-bottom {
  position: sticky;
  bottom: 0;
  z-index: 3;
  flex-shrink: 0;
  padding: 14px 16px calc(14px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid rgba(148, 163, 184, 0.14);
  background: rgba(2, 6, 23, 0.92);
  backdrop-filter: blur(18px);
}

.cbmc-worship-player-progress {
  display: grid;
  grid-template-columns: 42px 1fr 42px;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.cbmc-worship-player-time {
  font-size: 12px;
  font-weight: 700;
  color: rgba(148, 163, 184, 0.92);
  font-variant-numeric: tabular-nums;
}

.cbmc-worship-player-progress-track {
  position: relative;
  height: 6px;
  border-radius: 999px;
  background: rgba(51, 65, 85, 0.72);
  overflow: hidden;
}

.cbmc-worship-player-progress-input {
  position: absolute;
  inset: -8px 0;
  width: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.cbmc-worship-player-progress-track::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--worship-progress, 32%);
  border-radius: inherit;
  background: linear-gradient(90deg, #22d3ee, #a78bfa);
}

.cbmc-worship-player-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 12px;
}

.cbmc-worship-player-control-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.72);
  color: #e2e8f0;
  cursor: pointer;
}

.cbmc-worship-player-control-btn svg {
  width: 22px;
  height: 22px;
}

.cbmc-worship-player-control-btn--main {
  width: 58px;
  height: 58px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.92), rgba(167, 139, 250, 0.88));
  color: #020617;
  box-shadow: 0 10px 28px rgba(34, 211, 238, 0.28);
}

.cbmc-worship-player-control-btn--main .cbmc-worship-player-icon-play {
  display: none;
}

.cbmc-worship-player-control-btn--main.is-playing .cbmc-worship-player-icon-play {
  display: none;
}

.cbmc-worship-player-control-btn--main.is-playing .cbmc-worship-player-icon-pause {
  display: block;
}

.cbmc-worship-player-control-btn--main:not(.is-playing) .cbmc-worship-player-icon-pause {
  display: none;
}

.cbmc-worship-player-control-btn--main:not(.is-playing) .cbmc-worship-player-icon-play {
  display: block;
}

.cbmc-worship-player-aux {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.cbmc-worship-player-aux-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 72px;
  height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.55);
  color: rgba(203, 213, 225, 0.88);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.cbmc-worship-player-aux-btn[aria-pressed="true"] {
  border-color: rgba(34, 211, 238, 0.45);
  color: #ffffff;
}

.cbmc-worship-player-aux-btn svg {
  width: 14px;
  height: 14px;
}

.cbmc-worship-player-zoom-modal {
  position: fixed;
  inset: 0;
  z-index: 950;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.cbmc-worship-player-zoom-modal[hidden] {
  display: none !important;
}

.cbmc-worship-player-zoom-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.88);
}

.cbmc-worship-player-zoom-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 720px);
  max-height: 90vh;
  overflow: auto;
  border-radius: 18px;
  background: #f8fafc;
  padding: 12px;
}

.cbmc-worship-player-zoom-dialog img {
  display: block;
  width: 100%;
  height: auto;
}

.cbmc-worship-player-zoom-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.82);
  color: #f8fafc;
  cursor: pointer;
}

.cbmc-worship-player-zoom-close svg {
  width: 18px;
  height: 18px;
}

.cbmc-scroll-top {
  position: fixed;
  right: 1rem;
  bottom: 10.5rem;
  z-index: 680;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 52px;
  height: 52px;
  padding: 0;
  border-radius: 16px;
  border: 1px solid transparent;
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition:
    opacity 220ms ease,
    transform 220ms ease,
    box-shadow 220ms ease,
    background 220ms ease,
    border-color 220ms ease;
}

.cbmc-scroll-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.cbmc-scroll-top svg {
  width: 16px;
  height: 16px;
}

.cbmc-scroll-top span {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1;
}

body.variant-a .cbmc-scroll-top {
  color: #0f766e;
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(13, 148, 136, 0.22);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
}

body.variant-a .cbmc-scroll-top:hover {
  color: #0d9488;
  background: #f0fdfa;
  border-color: rgba(13, 148, 136, 0.34);
  box-shadow: 0 14px 28px rgba(13, 148, 136, 0.16);
}

body.variant-b .cbmc-scroll-top {
  color: #ecfeff;
  background: rgba(5, 20, 32, 0.92);
  border-color: rgba(103, 232, 249, 0.28);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
}

body.variant-b .cbmc-scroll-top:hover {
  color: #fff;
  background: rgba(8, 47, 73, 0.96);
  border-color: rgba(103, 232, 249, 0.42);
  box-shadow: 0 16px 32px rgba(6, 182, 212, 0.18);
}

@media (min-width: 1024px) {
  .cbmc-scroll-top {
    right: 1.5rem;
    bottom: 6.5rem;
  }

  body:not(:has(.floating-ai-chat-wrap)) .cbmc-scroll-top {
    bottom: 1.5rem;
  }
}

body:not(:has(.floating-ai-chat-wrap)) .cbmc-scroll-top {
  bottom: 1.5rem;
}

body.modal-open .cbmc-scroll-top {
  opacity: 0 !important;
  pointer-events: none !important;
}

@media (max-width: 1023px) {
  body.variant-b .cbmc-scroll-top {
    bottom: 11.5rem;
  }
}

/* ══════════════════════════════════════════════════════════
   B 시안 (variant-b) — phase 3-A top area
   Scoped to body.variant-b / #page[data-variant="b"] only
   ══════════════════════════════════════════════════════════ */

body.variant-b {
  background: #041018;
  color: #f8fafc;
  min-height: 100%;
}

body.variant-b .b-stage-pattern {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 85% 12%, rgba(20, 184, 166, 0.18), transparent 30%),
    radial-gradient(circle at 12% 42%, rgba(37, 99, 235, 0.1), transparent 34%),
    radial-gradient(circle at 50% 100%, rgba(8, 42, 58, 0.55), transparent 55%),
    linear-gradient(160deg, #04121f 0%, #061b2e 48%, #082433 100%);
}

body.variant-b #page {
  position: relative;
  min-height: 100vh;
  overflow-x: clip;
  color: #fff;
  font-size: 16px;
  --content-font-scale: 1;
  --content-line-scale: 1;
}

body.variant-b #page[data-font-size='small'] {
  --content-font-scale: 0.94;
  --content-line-scale: 0.98;
}

body.variant-b #page[data-font-size='normal'] {
  --content-font-scale: 1;
  --content-line-scale: 1;
}

body.variant-b #page[data-font-size='large'] {
  --content-font-scale: 1.08;
  --content-line-scale: 1.04;
}

/* B content font scale — reading areas only (.font-scale-target) */
body.variant-b .font-scale-target .b-program-title {
  font-size: calc(1.5rem * var(--content-font-scale));
  line-height: calc(1.25 * var(--content-line-scale));
}

@media (min-width: 1024px) {
  body.variant-b .font-scale-target .b-program-title {
    font-size: calc(1.875rem * var(--content-font-scale));
  }
}

body.variant-b .font-scale-target .b-program-description,
body.variant-b .font-scale-target .b-program-desc {
  font-size: calc(0.875rem * var(--content-font-scale));
  line-height: calc(1.6 * var(--content-line-scale));
}

@media (min-width: 1024px) {
  body.variant-b .font-scale-target .b-program-description,
  body.variant-b .font-scale-target .b-program-desc {
    font-size: calc(1rem * var(--content-font-scale));
  }
}

body.variant-b .font-scale-target .program-session-label {
  font-size: calc(10px * var(--content-font-scale));
}

body.variant-b .font-scale-target .program-session-title {
  font-size: calc(1rem * var(--content-font-scale));
  line-height: calc(1.375 * var(--content-line-scale));
}

@media (min-width: 1024px) {
  body.variant-b .font-scale-target .program-session-title {
    font-size: calc(1.25rem * var(--content-font-scale));
  }
}

body.variant-b .font-scale-target .program-session-title-sm {
  font-size: calc(0.875rem * var(--content-font-scale));
}

@media (min-width: 1024px) {
  body.variant-b .font-scale-target .program-session-title-sm {
    font-size: calc(1rem * var(--content-font-scale));
  }
}

body.variant-b .font-scale-target .program-speaker-dark-cell strong {
  font-size: calc(0.875rem * var(--content-font-scale));
  line-height: calc(1.3 * var(--content-line-scale));
}

body.variant-b .font-scale-target .program-speaker-dark-cell span {
  font-size: calc(0.75rem * var(--content-font-scale));
  line-height: calc(1.4 * var(--content-line-scale));
}

body.variant-b .font-scale-target .program-session-time {
  font-size: calc(0.75rem * var(--content-font-scale));
  line-height: calc(1.4 * var(--content-line-scale));
}

body.variant-b .font-scale-target .program-break-title {
  font-size: calc(1rem * var(--content-font-scale));
  line-height: calc(1.35 * var(--content-line-scale));
}

body.variant-b .font-scale-target .program-break-time {
  font-size: calc(0.875rem * var(--content-font-scale));
  line-height: calc(1.4 * var(--content-line-scale));
}

body.variant-b .font-scale-target .b-featured-card-title {
  font-size: calc(1rem * var(--content-font-scale));
  line-height: calc(1.375 * var(--content-line-scale));
}

body.variant-b .font-scale-target .b-featured-card-time {
  font-size: calc(1rem * var(--content-font-scale));
  line-height: calc(1.3 * var(--content-line-scale));
}

body.variant-b .font-scale-target .b-featured-card-speaker {
  font-size: calc(1rem * var(--content-font-scale));
  line-height: calc(1.4 * var(--content-line-scale));
}

body.variant-b .font-scale-target .ai-service-title {
  font-size: calc(1.5rem * var(--content-font-scale));
  line-height: calc(1.25 * var(--content-line-scale));
}

@media (min-width: 640px) {
  body.variant-b .font-scale-target .ai-service-title {
    font-size: calc(1.875rem * var(--content-font-scale));
  }
}

@media (min-width: 1024px) {
  body.variant-b .font-scale-target .ai-service-title {
    font-size: calc(2.25rem * var(--content-font-scale));
  }
}

body.variant-b .font-scale-target .ai-service-subtitle {
  font-size: calc(0.875rem * var(--content-font-scale));
  line-height: calc(1.7 * var(--content-line-scale));
}

@media (min-width: 640px) {
  body.variant-b .font-scale-target .ai-service-subtitle {
    font-size: calc(1rem * var(--content-font-scale));
  }
}

@media (min-width: 1024px) {
  body.variant-b .font-scale-target .ai-service-subtitle {
    font-size: calc(1.125rem * var(--content-font-scale));
  }
}

body.variant-b .font-scale-target .ai-service-before-card p,
body.variant-b .font-scale-target .ai-after-card p {
  font-size: calc(0.875rem * var(--content-font-scale));
  line-height: calc(1.625 * var(--content-line-scale));
}

@media (min-width: 640px) {
  body.variant-b .font-scale-target .ai-service-before-card p,
  body.variant-b .font-scale-target .ai-after-card p {
    font-size: calc(1rem * var(--content-font-scale));
  }
}

body.variant-b .font-scale-target .ai-service-card h3 {
  font-size: calc(0.875rem * var(--content-font-scale));
  line-height: calc(1.35 * var(--content-line-scale));
}

@media (min-width: 640px) {
  body.variant-b .font-scale-target .ai-service-card h3 {
    font-size: calc(1rem * var(--content-font-scale));
  }
}

body.variant-b .font-scale-target .ai-service-card p {
  font-size: calc(0.75rem * var(--content-font-scale));
  line-height: calc(1.65 * var(--content-line-scale));
}

@media (min-width: 640px) {
  body.variant-b .font-scale-target .ai-service-card p {
    font-size: calc(0.875rem * var(--content-font-scale));
  }
}

body.variant-b .font-scale-target .b-footer-contact,
body.variant-b .font-scale-target .b-footer-copy {
  font-size: calc(0.75rem * var(--content-font-scale));
  line-height: calc(1.5 * var(--content-line-scale));
}

/* ── B Header ── */
body.variant-b .b-site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(4, 16, 24, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(6, 182, 212, 0.2);
}

body.variant-b .b-header-logo {
  filter: brightness(0) invert(1);
}

body.variant-b .b-sample-badge {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.1);
  color: #e0f2fe;
}

body.variant-b .b-header-login-button {
  display: none;
  align-items: center;
  justify-content: center;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: none;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

body.variant-b .b-header-login-button:hover {
  color: #fff;
  border-color: rgba(103, 232, 249, 0.3);
  background: rgba(255, 255, 255, 0.1);
}

@media (min-width: 1024px) {
  body.variant-b .b-header-login-button {
    display: inline-flex !important;
  }
}

body.variant-b .b-header-register-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  background: #0891b2;
  color: #fff;
  box-shadow: 0 10px 15px -3px rgba(6, 182, 212, 0.2);
}

body.variant-b .b-header-register-button:hover {
  background: #0e7490;
}

body.variant-b .b-header-menu-toggle {
  color: #cbd5e1;
  background: transparent;
  border: 0;
  cursor: pointer;
}

body.variant-b .b-header-menu-toggle:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

body.variant-b .b-mobile-menu-panel {
  border: 1px solid rgba(6, 182, 212, 0.2);
  background: rgba(5, 20, 32, 0.95);
  backdrop-filter: blur(12px);
}

body.variant-b .b-mobile-menu-panel [data-open-modal] {
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
}

body.variant-b .b-mobile-menu-panel [data-open-modal]:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(103, 232, 249, 0.3);
}

body.variant-b .h-16 {
  height: 4rem;
}

/* ── B Hero (AppB.tsx / BHeroBackground aligned) ── */
body.variant-b .b-hero-section {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 40vh;
  overflow: hidden;
}

body.variant-b .b-hero-gradient {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(to bottom right, #051420, #061b2e, #082433);
  pointer-events: none;
}

body.variant-b .b-hero-pattern-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.38;
  background:
    radial-gradient(circle at 75% 15%, rgba(6, 182, 212, 0.14), transparent 32%),
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.08), transparent 34%);
  pointer-events: none;
}

body.variant-b .b-hero-bg-network,
body.variant-b .b-hero-background {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 48%;
  z-index: 1;
  display: none;
  overflow: hidden;
  pointer-events: none;
}

@media (min-width: 1024px) {
  body.variant-b .b-hero-bg-network,
  body.variant-b .b-hero-background {
    display: block;
  }
}

body.variant-b .b-hero-network-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

body.variant-b .b-hero-bg-network svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

body.variant-b .b-hero-bg-network .hero-floating-shape,
body.variant-b .b-hero-bg-network .hero-mission-node,
body.variant-b .b-hero-bg-network .hero-particle,
body.variant-b .b-hero-bg-network .hero-subtle-cross {
  position: absolute;
}

body.variant-b .hero-mission-node {
  position: absolute;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

body.variant-b .hero-node-next-gen { right: 18%; top: 14%; }
body.variant-b .hero-node-leadership { right: 7%; top: 27%; }
body.variant-b .hero-node-connect { right: 31%; top: 39%; }
body.variant-b .hero-node-equip { right: 12%; top: 48%; }
body.variant-b .hero-node-serve { right: 38%; top: 60%; }
body.variant-b .hero-node-impact { right: 17%; top: 69%; }
body.variant-b .hero-node-workplace { right: 35%; bottom: 12%; }
body.variant-b .hero-node-mission { right: 8%; bottom: 18%; }

body.variant-b .b-hero-shape-1 {
  top: 22%;
  right: 42%;
  width: 3.5rem;
  height: 3.5rem;
}

body.variant-b .b-hero-shape-2 {
  top: 52%;
  right: 6%;
  width: 2.5rem;
  height: 2.5rem;
}

body.variant-b .b-hero-shape-3 {
  bottom: 28%;
  right: 28%;
  width: 3rem;
  height: 3rem;
}

@media (min-width: 1024px) {
  body.variant-b .b-hero-shape-1 {
    width: 68px;
    height: 68px;
  }

  body.variant-b .b-hero-shape-2 {
    width: 3rem;
    height: 3rem;
  }

  body.variant-b .b-hero-shape-3 {
    width: 3.5rem;
    height: 3.5rem;
  }
}

body.variant-b .hero-floating-shape {
  border: 1px solid rgba(103, 232, 249, 0.1);
  background: rgba(34, 211, 238, 0.03);
  opacity: 0.4;
  backdrop-filter: blur(1px);
}

body.variant-b .hero-particle {
  width: 0.25rem;
  height: 0.25rem;
  border-radius: 9999px;
  background: rgba(94, 234, 212, 0.5);
}

body.variant-b .b-hero-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 2rem 1rem;
}

@media (min-width: 640px) {
  body.variant-b .b-hero-container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  body.variant-b .b-hero-container {
    padding: 2.5rem 2rem;
  }
}

body.variant-b .b-hero-content {
  max-width: 56rem;
  text-align: left;
}

body.variant-b .b-hero-pills {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  overflow-x: auto;
}

body.variant-b .b-hero-pill {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(6, 182, 212, 0.3);
  background: rgba(6, 182, 212, 0.1);
  color: #22d3ee;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

body.variant-b .b-hero-title {
  margin: 0 0 1.25rem;
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: #fff;
}

@media (min-width: 1024px) {
  body.variant-b .b-hero-title {
    font-size: 3rem;
  }
}

@media (min-width: 1280px) {
  body.variant-b .b-hero-title {
    font-size: 3.75rem;
  }
}

body.variant-b .b-hero-headline {
  margin: 0 0 1rem;
  max-width: 40rem;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
}

@media (min-width: 1024px) {
  body.variant-b .b-hero-headline {
    font-size: 1.875rem;
  }
}

body.variant-b .b-hero-headline-accent {
  position: relative;
  display: inline-block;
  color: #22d3ee;
}

body.variant-b .b-hero-headline-shine-wrap {
  pointer-events: none;
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 0.125rem;
}

body.variant-b .b-hero-headline-shine-wrap .hero-text-shine {
  position: absolute;
  inset-block: 0;
  left: -50%;
  width: 50%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.7), transparent);
}

body.variant-b .b-hero-br-sm {
  display: none;
}

@media (min-width: 640px) {
  body.variant-b .b-hero-br-sm {
    display: inline;
  }
}

body.variant-b .b-hero-br-lg {
  display: none;
}

@media (min-width: 1024px) {
  body.variant-b .b-hero-br-lg {
    display: inline;
  }
}

body.variant-b .b-hero-description {
  margin: 0 0 2rem;
  max-width: 37.5rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #9ca3af;
}

@media (min-width: 1024px) {
  body.variant-b .b-hero-description {
    font-size: 1rem;
  }
}

body.variant-b .b-hero-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  body.variant-b .b-hero-info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  body.variant-b .b-hero-info-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

body.variant-b .b-hero-info-card {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(34, 211, 238, 0.15);
  background: rgba(6, 27, 46, 0.65);
  backdrop-filter: blur(4px);
}

body.variant-b .b-hero-info-card .hero-info-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex: 0 0 1.25rem;
  color: #22d3ee;
}

body.variant-b .b-hero-info-label {
  margin: 0 0 0.125rem;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #22d3ee;
}

body.variant-b .b-hero-info-value {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  color: #fff;
}

body.variant-b .text-cyan-400 {
  color: #22d3ee;
}

@media (min-width: 1024px) {
  body.variant-b .lg\:block {
    display: block !important;
  }

  body.variant-b .lg\:hidden {
    display: none !important;
  }

  body.variant-b .lg\:flex {
    display: flex !important;
  }
}

/* ── B DAY Tabs ── */
body.variant-b .b-day-tabs-bar {
  position: sticky;
  top: 4rem;
  z-index: 40;
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid rgba(34, 211, 238, 0.2);
  background: rgba(7, 17, 31, 0.9);
  backdrop-filter: blur(24px);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

body.variant-b .b-day-tabs-bar > .max-w-7xl {
  width: 100%;
}

body.variant-b .b-day-tabs-bar .flex.items-center.justify-between {
  min-height: 3.25rem;
}

body.variant-b .b-day-tab {
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  outline: none;
  min-width: 0;
}

@media (min-width: 1024px) {
  body.variant-b .b-day-tab {
    min-width: 10rem;
    flex: 0 0 auto !important;
  }
}

body.variant-b .b-day-tab-day1.is-active,
body.variant-b .b-day-tab-day1[aria-selected='true'] {
  border-bottom-color: #22d3ee;
  background: rgba(6, 182, 212, 0.1);
}

body.variant-b .b-day-tab-day1.is-active .text-xs,
body.variant-b .b-day-tab-day1[aria-selected='true'] .text-xs {
  color: #22d3ee;
}

body.variant-b .b-day-tab-day1.is-active .text-\[10px\],
body.variant-b .b-day-tab-day1[aria-selected='true'] .text-\[10px\] {
  color: #67e8f9;
}

body.variant-b .b-day-tab-day1:not(.is-active) .text-xs {
  color: #6b7280;
}

body.variant-b .b-day-tab-day1:not(.is-active) .text-\[10px\] {
  color: #4b5563;
}

body.variant-b .b-day-tab-day2.is-active,
body.variant-b .b-day-tab-day2[aria-selected='true'] {
  border-bottom-color: #c084fc;
  background: rgba(168, 85, 247, 0.1);
}

body.variant-b .b-day-tab-day2.is-active .text-xs,
body.variant-b .b-day-tab-day2[aria-selected='true'] .text-xs {
  color: #c084fc;
}

body.variant-b .b-day-tab-day2.is-active .text-\[10px\],
body.variant-b .b-day-tab-day2[aria-selected='true'] .text-\[10px\] {
  color: #d8b4fe;
}

body.variant-b .b-day-tab-day2:not(.is-active) .text-xs {
  color: #6b7280;
}

body.variant-b .b-day-tab-day2:not(.is-active) .text-\[10px\] {
  color: #4b5563;
}

body.variant-b .b-day-tab:hover {
  background: rgba(8, 36, 51, 0.45);
}

body.variant-b .b-font-size-button {
  border: 0;
  background: transparent;
  padding: 0.25rem;
  min-width: auto;
  color: #4b5563;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0.25rem;
}

body.variant-b .b-font-size-button:hover {
  background: rgba(8, 36, 51, 0.45);
  color: #22d3ee;
}

body.variant-b .b-font-size-button.is-active,
body.variant-b .b-font-size-button[aria-pressed='true'] {
  color: #22d3ee;
}

body.variant-b .b-font-size-button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

body.variant-b .b-font-size-reset {
  min-width: 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ── B Stage Feature Card (StageFeatureCard.tsx 기준) ── */
body.variant-b .b-stage-section {
  position: relative;
  padding-top: 2.5rem;
  padding-bottom: 1rem;
}

@media (min-width: 1024px) {
  body.variant-b .b-stage-section {
    padding-top: 3rem;
    padding-bottom: 1.5rem;
  }
}

body.variant-b .b-stage-section-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  pointer-events: none;
  background:
    radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.08), transparent 35%),
    radial-gradient(circle at 15% 70%, rgba(37, 99, 235, 0.06), transparent 40%);
}

body.variant-b .b-stage-container {
  position: relative;
  z-index: 10;
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  body.variant-b .b-stage-container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  body.variant-b .b-stage-container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

body.variant-b .stage-feature-card {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  padding: 3rem 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

@media (min-width: 1024px) {
  body.variant-b .stage-feature-card {
    padding: 4rem;
  }
}

body.variant-b .stage-feature-card-cyan {
  border: 1px solid rgba(34, 211, 238, 0.2);
  background: linear-gradient(to bottom right, #082433, #061b2e, #082a3a);
  box-shadow: 0 25px 50px -12px rgba(19, 78, 74, 0.2);
}

body.variant-b .stage-feature-card-purple {
  border: 1px solid rgba(192, 132, 252, 0.2);
  background: linear-gradient(to bottom right, #0c2d4a, #082433, #0a2f40);
  box-shadow: 0 25px 50px -12px rgba(88, 28, 135, 0.2);
}

body.variant-b .stage-feature-card-content {
  position: relative;
  z-index: 10;
  max-width: 64rem;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

body.variant-b .stage-feature-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0 0 2rem;
}

body.variant-b .stage-feature-eyebrow-text {
  font-size: 10px;
  line-height: 1.25;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

body.variant-b .stage-feature-eyebrow-dot {
  font-size: 10px;
  line-height: 1.25;
  font-weight: 700;
}

body.variant-b .stage-feature-card-cyan .stage-feature-eyebrow-text {
  color: rgba(34, 211, 238, 0.6);
}

body.variant-b .stage-feature-card-cyan .stage-feature-eyebrow-dot {
  color: rgba(6, 182, 212, 0.3);
}

body.variant-b .stage-feature-card-purple .stage-feature-eyebrow-text {
  color: rgba(192, 132, 252, 0.6);
}

body.variant-b .stage-feature-card-purple .stage-feature-eyebrow-dot {
  color: rgba(168, 85, 247, 0.3);
}

body.variant-b .stage-feature-title {
  position: relative;
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  margin: 0 auto 1.25rem;
  font-size: 1.5rem;
  line-height: 1.25;
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.025em;
}

body.variant-b .stage-feature-card-cyan .stage-feature-title {
  color: #22d3ee;
}

body.variant-b .stage-feature-card-purple .stage-feature-title {
  color: #c084fc;
}

@media (min-width: 640px) {
  body.variant-b .stage-feature-title {
    font-size: 1.875rem;
  }
}

@media (min-width: 1024px) {
  body.variant-b .stage-feature-title {
    font-size: 56px;
  }
}

@media (min-width: 1280px) {
  body.variant-b .stage-feature-title {
    font-size: 64px;
  }
}

body.variant-b .stage-title-shimmer {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -50%;
  width: 33.333%;
  pointer-events: none;
  background: linear-gradient(
    to right,
    transparent,
    rgba(255, 255, 255, 0.6),
    transparent
  );
}

body.variant-b .stage-feature-subtitle {
  margin: 0 0 1.5rem;
  font-size: 1.25rem;
  line-height: 1.25;
  font-weight: 700;
  color: #fff;
}

@media (min-width: 1024px) {
  body.variant-b .stage-feature-subtitle {
    font-size: 1.875rem;
  }
}

body.variant-b .stage-feature-description {
  max-width: 48rem;
  margin: 0 auto 2rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #9ca3af;
}

@media (min-width: 1024px) {
  body.variant-b .stage-feature-description {
    font-size: 1rem;
  }
}

body.variant-b .stage-feature-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

body.variant-b .stage-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 9999px;
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  transition: all 300ms ease;
}

body.variant-b .stage-feature-card-cyan .stage-pill {
  border: 1px solid rgba(6, 182, 212, 0.2);
  background: rgba(6, 182, 212, 0.1);
  color: #22d3ee;
}

body.variant-b .stage-feature-card-purple .stage-pill {
  border: 1px solid rgba(168, 85, 247, 0.2);
  background: rgba(168, 85, 247, 0.1);
  color: #c084fc;
}

body.variant-b .stage-feature-card-cyan .stage-pill:hover {
  border-color: rgba(103, 232, 249, 0.35);
  background: rgba(103, 232, 249, 0.1);
  color: #ecfeff;
}

body.variant-b .stage-feature-card-purple .stage-pill:hover {
  border-color: rgba(216, 180, 254, 0.35);
  background: rgba(216, 180, 254, 0.1);
  color: #f3e8ff;
}

body.variant-b .stage-feature-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

body.variant-b .stage-feature-tags span {
  font-size: 0.75rem;
  font-weight: 500;
}

body.variant-b .stage-feature-card-cyan .stage-feature-tags span {
  color: rgba(6, 182, 212, 0.6);
}

body.variant-b .stage-feature-card-purple .stage-feature-tags span {
  color: rgba(168, 85, 247, 0.6);
}

body.variant-b .text-purple-400 {
  color: #c084fc;
}

body.variant-b .b-stage-card-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  pointer-events: none;
  background:
    radial-gradient(circle at 70% 10%, rgba(6, 182, 212, 0.12), transparent 28%),
    radial-gradient(circle at 30% 80%, rgba(59, 130, 246, 0.08), transparent 32%);
}

body.variant-b .b-stage-card-pattern-purple {
  background:
    radial-gradient(circle at 70% 10%, rgba(168, 85, 247, 0.12), transparent 28%),
    radial-gradient(circle at 30% 80%, rgba(139, 92, 246, 0.08), transparent 32%);
}

body.variant-b .mb-0\.5 {
  margin-bottom: 0.125rem;
}

body.variant-b .gap-1\.5 {
  gap: 0.375rem;
}

body.variant-b .gap-2\.5 {
  gap: 0.625rem;
}

body.variant-b .px-3 {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

body.variant-b .py-1\.5 {
  padding-top: 0.375rem;
  padding-bottom: 0.375rem;
}

body.variant-b .max-w-\[600px\] {
  max-width: 600px;
}

body.variant-b .leading-\[1\.3\] {
  line-height: 1.3;
}

body.variant-b .leading-\[1\.7\] {
  line-height: 1.7;
}

@media (min-width: 1280px) {
  body.variant-b .xl\:text-6xl {
    font-size: 3.75rem;
    line-height: 1;
  }
}

/* ── B Responsive ── */
@media (max-width: 1023px) {
  body.variant-b .b-hero-bg-network,
  body.variant-b .b-hero-background {
    display: none !important;
  }

  body.variant-b .b-hero-content {
    max-width: 100%;
  }

  body.variant-b .b-day-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  body.variant-b .b-day-tabs::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 767px) {
  body.variant-b .b-hero-section {
    min-height: auto;
  }

  body.variant-b .b-hero-container {
    padding: 3rem 1.25rem 2.625rem;
  }

  body.variant-b .b-hero-title {
    font-size: 2.5rem;
  }

  body.variant-b .b-hero-headline {
    font-size: 1.875rem;
  }

  body.variant-b .b-hero-description {
    font-size: 1rem;
  }

  body.variant-b .b-hero-info-grid {
    grid-template-columns: 1fr;
  }

  body.variant-b .stage-feature-card {
    padding: 2.625rem 1.5rem;
    border-radius: 24px;
  }

  body.variant-b .stage-feature-eyebrow {
    margin-bottom: 1.5rem;
  }

  body.variant-b .stage-feature-title {
    font-size: 1.5rem;
    line-height: 1.25;
  }

  body.variant-b .stage-feature-subtitle {
    font-size: 1.25rem;
  }

  body.variant-b .stage-feature-description {
    font-size: 0.875rem;
  }
}

@media (max-width: 479px) {
  body.variant-b .b-hero-info-grid {
    grid-template-columns: 1fr;
  }
}

/* ══════════════════════════════════════════════════════════════
   B 시안 — Phase 3-B: Program / Featured / AI / Footer / CTAs
   Scoped to body.variant-b / #page[data-variant="b"]
   ══════════════════════════════════════════════════════════════ */

body.variant-b .lg-hidden {
  display: block;
}

@media (min-width: 1024px) {
  body.variant-b .lg-hidden {
    display: none !important;
  }
}

body.variant-b .space-y-4 > * + * {
  margin-top: 1rem;
}

/* ── Program section (SessionCard.tsx / AppB.tsx 기준) ── */
body.variant-b .b-program-section {
  position: relative;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  color: #fff;
}

@media (min-width: 1024px) {
  body.variant-b .b-program-section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}

body.variant-b .b-program-section-pattern {
  pointer-events: none;
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background:
    radial-gradient(circle at 20% 10%, rgba(34, 211, 238, 0.08), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.06), transparent 35%);
}

body.variant-b .b-program-container {
  position: relative;
  z-index: 10;
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  body.variant-b .b-program-container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  body.variant-b .b-program-container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

body.variant-b .b-program-header {
  margin-bottom: 2.5rem;
}

body.variant-b .b-program-title {
  margin: 0 0 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

@media (min-width: 1024px) {
  body.variant-b .b-program-title {
    font-size: 1.875rem;
  }
}

body.variant-b .b-program-description,
body.variant-b .b-program-desc {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #9ca3af;
}

@media (min-width: 1024px) {
  body.variant-b .b-program-description,
  body.variant-b .b-program-desc {
    font-size: 1rem;
  }
}

body.variant-b .b-program-count-badge {
  display: inline-block;
  border-radius: 0.5rem;
  border: 1px solid rgba(34, 211, 238, 0.2);
  background: #081a28;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #22d3ee;
}

body.variant-b .b-program-count-badge[hidden] {
  display: none !important;
}

body.variant-b .b-program-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── Program session card ── */
body.variant-b .program-session-card {
  position: relative;
  overflow: hidden;
  width: 100%;
  border-radius: 28px;
  border: 1px solid rgba(103, 232, 249, 0.15);
  background:
    rgba(8, 51, 68, 0.2),
    linear-gradient(to bottom right, #081a28, #0a2235, #082433);
  padding: 1.25rem;
}

@media (min-width: 1024px) {
  body.variant-b .program-session-card {
    padding: 1.5rem;
  }
}

body.variant-b .program-session-card-compact {
  padding: 1rem;
}

@media (min-width: 1024px) {
  body.variant-b .program-session-card-compact {
    padding: 1.25rem;
  }
}

body.variant-b .program-session-card-purple {
  border-color: rgba(216, 180, 254, 0.15);
  background:
    rgba(59, 7, 100, 0.1),
    linear-gradient(to bottom right, #081a28, #0a2235, rgba(12, 45, 74, 0.4));
}

body.variant-b .program-session-card-featured {
  background: linear-gradient(to bottom right, #0a2235, rgba(12, 45, 74, 0.5), #082433);
}

body.variant-b .program-session-card-purple.program-session-card-featured {
  background: linear-gradient(to bottom right, #0a2235, rgba(12, 45, 74, 0.55), #0a2f40);
}

body.variant-b .program-session-card-top {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  margin-bottom: 1.25rem;
}

body.variant-b .program-session-card-compact .program-session-card-top {
  margin-bottom: 0.75rem;
}

body.variant-b .program-session-eyebrow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  min-width: 0;
  flex: 1;
}

body.variant-b .program-session-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #6b7280;
}

body.variant-b .program-session-type {
  border-radius: 9999px;
  border: 1px solid rgba(6, 182, 212, 0.3);
  background: rgba(6, 182, 212, 0.1);
  padding: 0.25rem 0.625rem;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #22d3ee;
}

body.variant-b .program-session-type-purple {
  border-color: rgba(168, 85, 247, 0.3);
  background: rgba(168, 85, 247, 0.1);
  color: #c084fc;
}

body.variant-b .program-day-badge {
  flex-shrink: 0;
  align-self: flex-start;
  border-radius: 9999px;
  border: 1px solid rgba(34, 211, 238, 0.28);
  background: rgba(34, 211, 238, 0.08);
  padding: 0.25rem 0.75rem;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #22d3ee;
}

body.variant-b .program-day-badge-purple,
body.variant-b .program-day-badge.day2,
body.variant-b .program-day-badge[data-day='day2'] {
  border-color: rgba(168, 85, 247, 0.36);
  background: rgba(124, 58, 237, 0.18);
  color: #c084fc;
}

body.variant-b .program-session-eyebrow .program-session-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 2px;
  color: rgba(203, 213, 225, 0.78);
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}

body.variant-b .program-session-eyebrow .program-session-time svg,
body.variant-b .program-session-eyebrow .program-session-time .program-time-icon {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  color: rgba(203, 213, 225, 0.72);
}

@media (min-width: 1024px) {
  body.variant-b .program-session-eyebrow .program-session-time {
    font-size: 15px;
    gap: 7px;
  }

  body.variant-b .program-session-eyebrow .program-session-time svg,
  body.variant-b .program-session-eyebrow .program-session-time .program-time-icon {
    width: 15px;
    height: 15px;
    flex-basis: 15px;
  }
}

body.variant-b .program-session-title {
  position: relative;
  z-index: 10;
  margin: 0 0 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.375;
  color: #fff;
}

@media (min-width: 1024px) {
  body.variant-b .program-session-title {
    font-size: 1.25rem;
  }
}

body.variant-b .program-session-title-sm {
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

@media (min-width: 1024px) {
  body.variant-b .program-session-title-sm {
    font-size: 1rem;
  }
}

body.variant-b .program-session-footer {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 1px solid rgba(34, 211, 238, 0.1);
  padding-top: 1rem;
}

@media (min-width: 1024px) {
  body.variant-b .program-session-footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
  }
}

body.variant-b .program-session-speaker {
  min-width: 0;
  flex: 1;
}

body.variant-b .program-speaker-dark-cell {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

body.variant-b .program-speaker-dark-cell img,
body.variant-b .program-speaker-avatar {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  flex: 0 0 64px;
  border-radius: 9999px;
  object-fit: cover;
  border: 1px solid rgba(226, 232, 240, 0.72);
  background: rgba(2, 10, 23, 0.82);
  box-shadow:
    0 0 0 4px rgba(15, 23, 42, 0.58),
    0 0 26px rgba(34, 211, 238, 0.12);
}

body.variant-b .program-speaker-dark-cell strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
}

body.variant-b .program-speaker-dark-cell span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.75rem;
  color: #94a3b8;
}

body.variant-b .program-panelists-label {
  margin-bottom: 0.75rem;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #6b7280;
}

body.variant-b .program-panelists-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  body.variant-b .program-panelists-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

body.variant-b .program-session-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  flex-shrink: 0;
  margin-left: auto;
}

body.variant-b .program-stage-badge {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.32);
  background: rgba(34, 211, 238, 0.08);
  color: #22d3ee;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

body.variant-b .program-stage-badge-purple {
  border-color: rgba(168, 85, 247, 0.36);
  background: rgba(124, 58, 237, 0.18);
  color: #c084fc;
}

body.variant-b .program-session-card-purple.program-choice-card .program-choice-sessions {
  border-top-color: rgba(168, 85, 247, 0.14);
  border-bottom-color: rgba(168, 85, 247, 0.1);
}

body.variant-b .program-session-card-purple.program-choice-card .program-choice-divider {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(168, 85, 247, 0.18),
    transparent
  );
}

body.variant-b .program-session-card-purple.program-choice-card .program-choice-label {
  border-color: rgba(168, 85, 247, 0.34);
  background: rgba(124, 58, 237, 0.16);
  color: #c084fc;
}

body.variant-b .program-session-card-purple.program-choice-card .program-choice-venue {
  border-color: rgba(168, 85, 247, 0.22);
  background: rgba(30, 16, 48, 0.55);
  color: rgba(233, 213, 255, 0.9);
}

body.variant-b .program-choice-card {
  padding-bottom: 30px;
}

body.variant-b .program-choice-card .program-session-card-top {
  align-items: flex-start;
  margin-bottom: 0;
}

body.variant-b .program-choice-card .program-session-card-top-main {
  min-width: 0;
  flex: 1;
}

body.variant-b .program-choice-card .program-session-card-top .program-session-title {
  margin: 0.625rem 0 0;
}

body.variant-b .program-choice-sessions {
  margin-top: 1.25rem;
  border-top: 1px solid rgba(34, 211, 238, 0.12);
  border-bottom: 1px solid rgba(34, 211, 238, 0.1);
}

body.variant-b .program-choice-row {
  display: grid;
  grid-template-columns: auto auto minmax(140px, 1.35fr) minmax(180px, 1fr) auto;
  align-items: center;
  gap: 0.875rem 1rem;
  padding: 1rem 0;
}

body.variant-b .program-choice-divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(34, 211, 238, 0.16),
    transparent
  );
}

body.variant-b .program-choice-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  border-radius: 12px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  background: rgba(34, 211, 238, 0.1);
  color: #22d3ee;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

body.variant-b .program-choice-label-num {
  line-height: 1;
}

body.variant-b .program-choice-venue {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(15, 23, 42, 0.55);
  color: rgba(226, 232, 240, 0.88);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

body.variant-b .program-choice-topic {
  min-width: 0;
  color: #ffffff;
  font-size: 1.0625rem;
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: -0.03em;
  word-break: keep-all;
}

body.variant-b .program-choice-speaker {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  min-width: 0;
}

body.variant-b .program-choice-speaker img {
  width: 54px;
  height: 54px;
  flex: 0 0 54px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid rgba(226, 232, 240, 0.72);
  background: rgba(2, 10, 23, 0.82);
  box-shadow:
    0 0 0 4px rgba(15, 23, 42, 0.52),
    0 0 24px rgba(34, 211, 238, 0.1);
}

body.variant-b .program-choice-speaker div {
  min-width: 0;
  display: grid;
  gap: 0.25rem;
}

body.variant-b .program-choice-speaker strong {
  color: #ffffff;
  font-size: 1rem;
  line-height: 1.25;
  font-weight: 900;
  white-space: nowrap;
}

body.variant-b .program-choice-speaker span {
  color: rgba(203, 213, 225, 0.66);
  font-size: 0.875rem;
  line-height: 1.25;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

body.variant-b .program-choice-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  white-space: nowrap;
}

body.variant-b .program-choice-actions .program-action,
body.variant-b .program-choice-actions .resource-badge-dark {
  height: 38px;
  padding: 0 15px;
  font-size: 14px;
}

@media (min-width: 768px) and (max-width: 1100px) {
  body.variant-b .program-choice-row {
    grid-template-columns: auto auto 1fr;
    gap: 0.75rem 0.875rem;
  }

  body.variant-b .program-choice-topic {
    grid-column: 1 / -1;
  }

  body.variant-b .program-choice-speaker {
    grid-column: 1 / span 2;
  }

  body.variant-b .program-choice-actions {
    grid-column: 3 / -1;
    justify-content: flex-end;
  }
}

@media (max-width: 767px) {
  body.variant-b .program-stage-badge {
    height: 30px;
    padding: 0 12px;
    font-size: 12px;
  }

  body.variant-b .program-choice-row {
    grid-template-columns: auto auto 1fr;
    gap: 0.625rem 0.75rem;
    padding: 0.875rem 0;
  }

  body.variant-b .program-choice-label {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
    font-size: 12px;
  }

  body.variant-b .program-choice-venue {
    min-width: 48px;
    height: 30px;
    padding: 0 10px;
    font-size: 12px;
  }

  body.variant-b .program-choice-topic {
    grid-column: 1 / -1;
    font-size: 1rem;
  }

  body.variant-b .program-choice-speaker {
    grid-column: 1 / -1;
  }

  body.variant-b .program-choice-speaker img {
    width: 48px;
    height: 48px;
    flex-basis: 48px;
  }

  body.variant-b .program-choice-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

body.variant-b .program-time-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

body.variant-b .program-action-icon,
body.variant-b .resource-badge-icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

body.variant-b .program-action {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  height: 2rem;
  flex-shrink: 0;
  border-radius: 9999px;
  border: 1px solid transparent;
  padding: 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

body.variant-b a.program-action {
  text-decoration: none;
}

body.variant-b .program-action.replay {
  border-color: rgba(6, 182, 212, 0.25);
  background: rgba(6, 182, 212, 0.12);
  color: #22d3ee;
}

body.variant-b .program-action.replay:hover {
  background: rgba(6, 182, 212, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(6, 182, 212, 0.2);
}

body.variant-b .program-action.summary {
  border-color: rgba(168, 85, 247, 0.25);
  background: rgba(168, 85, 247, 0.12);
  color: #c084fc;
}

body.variant-b .program-action.summary:hover {
  background: rgba(168, 85, 247, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(168, 85, 247, 0.2);
}

body.variant-b .resource-badge-dark {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  height: 2rem;
  flex-shrink: 0;
  border-radius: 9999px;
  border: 1px solid transparent;
  padding: 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
}

body.variant-b .resource-badge-dark.none {
  border-color: rgba(71, 85, 105, 0.2);
  background: rgba(30, 41, 59, 0.3);
  font-size: 10px;
  color: #6b7280;
}

body.variant-b .resource-badge-dark.private {
  border-color: rgba(245, 158, 11, 0.2);
  background: rgba(245, 158, 11, 0.1);
  font-size: 10px;
  color: rgba(251, 191, 36, 0.9);
}

body.variant-b .resource-badge-dark.pdf {
  border-color: rgba(239, 68, 68, 0.25);
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
  cursor: pointer;
}

body.variant-b .resource-badge-dark.pdf:hover {
  background: rgba(239, 68, 68, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(239, 68, 68, 0.2);
}

body.variant-b .resource-badge-dark.ppt {
  border-color: rgba(249, 115, 22, 0.25);
  background: rgba(249, 115, 22, 0.12);
  color: #fb923c;
  cursor: pointer;
}

body.variant-b .resource-badge-dark.ppt:hover {
  background: rgba(249, 115, 22, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(249, 115, 22, 0.2);
}

body.variant-b .resource-badge-dark.doc {
  border-color: rgba(59, 130, 246, 0.25);
  background: rgba(59, 130, 246, 0.12);
  color: #60a5fa;
  cursor: pointer;
}

body.variant-b .resource-badge-dark.doc:hover {
  background: rgba(59, 130, 246, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.2);
}

@media (max-width: 1023px) {
  body.variant-b .program-session-footer {
    align-items: flex-start;
  }

  body.variant-b .program-session-actions {
    justify-content: flex-start;
    margin-left: 0;
    width: 100%;
  }
}

@media (max-width: 767px) {
  body.variant-b .b-program-section {
    padding-top: 3.5rem;
    padding-bottom: 4.5rem;
  }

  body.variant-b .b-program-container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  body.variant-b .program-session-card,
  body.variant-b .program-session-card-compact {
    padding: 1.75rem 1.375rem;
    border-radius: 24px;
  }

  body.variant-b .program-session-card-top {
    gap: 0.625rem;
  }

  body.variant-b .program-session-eyebrow .program-session-time {
    font-size: 12px;
    gap: 5px;
  }

  body.variant-b .program-session-eyebrow .program-session-time svg,
  body.variant-b .program-session-eyebrow .program-session-time .program-time-icon {
    width: 12px;
    height: 12px;
    flex-basis: 12px;
  }

  body.variant-b .program-day-badge {
    padding: 0.2rem 0.625rem;
    font-size: 9px;
  }

  body.variant-b .program-session-actions {
    justify-content: flex-start;
    gap: 10px;
    width: 100%;
  }
}

body.variant-b .program-break-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  border-radius: 1rem;
  border: 1px solid rgba(34, 211, 238, 0.15);
  background: linear-gradient(to right, #081a28, #0a2235, #081a28);
  padding: 1.25rem 1.5rem;
  color: #9ca3af;
}

body.variant-b .program-break-card .program-time-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: #9ca3af;
}

body.variant-b .program-break-title {
  font-size: 1rem;
  font-weight: 700;
  color: #d1d5db;
}

body.variant-b .program-break-dot {
  color: #6b7280;
}

body.variant-b .program-break-time {
  font-size: 0.875rem;
  color: #9ca3af;
}

/* ── Featured sessions (B) ── */
body.variant-b .b-featured-section {
  position: relative;
  color: #fff;
  padding: 1.4rem 0;
  background: linear-gradient(to bottom, #07111f, #061827, #050b16);
}

@media (min-width: 1024px) {
  body.variant-b .b-featured-section {
    padding: 2.24rem 0;
  }
}

body.variant-b .b-featured-container {
  position: relative;
  z-index: 10;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  body.variant-b .b-featured-container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  body.variant-b .b-featured-container {
    padding: 0 2rem;
  }
}

body.variant-b .b-featured-header {
  margin-bottom: 1.12rem;
}

@media (min-width: 1024px) {
  body.variant-b .b-featured-header {
    margin-bottom: 1.4rem;
  }
}

body.variant-b .b-featured-section::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(34, 211, 238, 0.3), transparent);
}

body.variant-b .b-featured-section-pattern {
  pointer-events: none;
  position: absolute;
  inset: 0;
  opacity: 0.14;
}

body.variant-b .b-featured-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.56rem;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(34, 211, 238, 0.7);
}

body.variant-b .b-featured-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 9999px;
  background: #22d3ee;
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.5);
}

body.variant-b .b-featured-title {
  margin: 0;
  font-size: 1.875rem;
  font-weight: 700;
  color: #fff;
}

@media (min-width: 1024px) {
  body.variant-b .b-featured-title {
    font-size: 2.25rem;
  }
}

body.variant-b .b-featured-desc {
  max-width: 42rem;
  margin: 0.52rem 0 0;
  font-size: 0.875rem;
  line-height: 1.625;
  color: #94a3b8;
}

body.variant-b .b-featured-tabs {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.12rem;
  margin-bottom: 1.12rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

@media (min-width: 1024px) {
  body.variant-b .b-featured-tabs {
    margin-top: 1.4rem;
    margin-bottom: 1.4rem;
  }
}

body.variant-b .b-featured-tab {
  flex-shrink: 0;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #94a3b8;
  cursor: pointer;
  transition: all 0.2s ease;
}

@media (min-width: 640px) {
  body.variant-b .b-featured-tab {
    font-size: 0.875rem;
  }
}

body.variant-b .b-featured-tab.is-active {
  border-color: rgba(103, 232, 249, 0.4);
  background: rgba(34, 211, 238, 0.15);
  color: #a5f3fc;
  box-shadow: 0 1px 2px rgba(6, 182, 212, 0.1);
}

body.variant-b .b-featured-carousel-shell {
  position: relative;
  margin-top: 0;
}

body.variant-b .b-featured-track {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.8rem 0;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

body.variant-b .b-featured-track::-webkit-scrollbar {
  display: none;
}

body.variant-b .b-featured-card {
  display: flex;
  flex-direction: column;
  flex: 0 0 var(--featured-card-width, 82vw);
  width: var(--featured-card-width, 82vw);
  scroll-snap-align: start;
  position: relative;
  border-radius: 24px;
  border: 1px solid rgba(103, 232, 249, 0.15);
  background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.045), rgba(8, 47, 73, 0.12), rgba(23, 37, 84, 0.16));
  padding: 0.9rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

@media (min-width: 768px) {
  body.variant-b .b-featured-card {
    padding: 1.2rem;
  }
}

body.variant-b .b-featured-card:hover {
  transform: translateY(-4px);
  border-color: rgba(103, 232, 249, 0.45);
  box-shadow: 0 25px 50px -12px rgba(6, 182, 212, 0.2);
}

body.variant-b .b-featured-card-teal {
  border-color: rgba(45, 212, 191, 0.15);
  background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.045), rgba(4, 47, 46, 0.12), rgba(8, 47, 73, 0.16));
}

body.variant-b .b-featured-card-blue {
  border-color: rgba(96, 165, 250, 0.15);
  background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.045), rgba(23, 37, 84, 0.12), rgba(8, 47, 73, 0.16));
}

body.variant-b .b-featured-card-violet {
  border-color: rgba(167, 139, 250, 0.15);
  background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.045), rgba(46, 16, 101, 0.12), rgba(23, 37, 84, 0.16));
}

body.variant-b .b-featured-card-badge {
  display: block;
  margin-bottom: 0.6rem;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #22d3ee;
}

body.variant-b .b-featured-card-teal .b-featured-card-badge {
  color: #2dd4bf;
}

body.variant-b .b-featured-card-blue .b-featured-card-badge {
  color: #60a5fa;
}

body.variant-b .b-featured-card-violet .b-featured-card-badge {
  color: #a78bfa;
}

body.variant-b .b-featured-card-title {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.375;
  color: #fff;
}

body.variant-b .b-featured-meta {
  margin-top: 1rem;
}

body.variant-b .b-featured-card-time {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.3;
  color: #22d3ee;
}

body.variant-b .b-featured-card-time svg,
body.variant-b .b-featured-card-time .program-time-icon {
  width: 1.125rem;
  height: 1.125rem;
  flex: 0 0 1.125rem;
}

body.variant-b .b-featured-speaker {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

body.variant-b .b-featured-speaker-info {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

body.variant-b .b-featured-card-avatar {
  width: 2.875rem;
  height: 2.875rem;
  border-radius: 9999px;
  object-fit: cover;
  border: 1px solid rgba(103, 232, 249, 0.2);
  flex-shrink: 0;
}

body.variant-b .b-featured-card-speaker {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: rgba(203, 213, 225, 0.72);
}

body.variant-b .b-featured-card-actions {
  margin-top: auto;
  padding-top: 1.2rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.625rem;
}

body.variant-b .b-featured-nav {
  position: absolute;
  top: 50%;
  z-index: 30;
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  border: 1px solid rgba(103, 232, 249, 0.2);
  background: rgba(6, 24, 39, 0.9);
  color: #a5f3fc;
  cursor: pointer;
  transform: translateY(-50%);
  backdrop-filter: blur(4px);
  transition: all 0.2s ease;
}

body.variant-b .b-featured-nav svg {
  width: 1.25rem;
  height: 1.25rem;
}

body.variant-b .b-featured-nav:hover {
  border-color: rgba(103, 232, 249, 0.5);
  background: rgba(34, 211, 238, 0.15);
  color: #fff;
}

body.variant-b .b-featured-nav[hidden] {
  display: none !important;
}

@media (min-width: 768px) {
  body.variant-b .b-featured-nav:not([hidden]) {
    display: flex;
  }

  body.variant-b .b-featured-nav-prev {
    left: -0.75rem;
  }

  body.variant-b .b-featured-nav-next {
    right: -0.75rem;
  }
}

@media (min-width: 1024px) {
  body.variant-b .b-featured-nav-prev {
    left: -1.5rem;
  }

  body.variant-b .b-featured-nav-next {
    right: -1.5rem;
  }
}

/* ── AI services dark (B) — LiveroAIServicesSection variant=dark ── */
body.variant-b .ai-service-section {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(to bottom right, #050b16, #111a3a, #2b145f);
}

body.variant-b .ai-service-section-glow {
  pointer-events: none;
  position: absolute;
  border-radius: 9999px;
  filter: blur(64px);
}

body.variant-b .ai-service-section-glow-top {
  top: -5rem;
  right: 0;
  width: 20rem;
  height: 20rem;
  background: rgba(6, 182, 212, 0.1);
}

body.variant-b .ai-service-section-glow-bottom {
  bottom: 0;
  left: 25%;
  width: 18rem;
  height: 18rem;
  background: rgba(124, 58, 237, 0.1);
}

body.variant-b .ai-service-particles {
  pointer-events: none;
  position: absolute;
  inset: 0;
  display: none;
}

@media (min-width: 768px) {
  body.variant-b .ai-service-particles {
    display: block;
  }
}

/* max-w-7xl px-5 py-20 sm:px-6 lg:px-8 lg:py-24 */
body.variant-b .ai-service-container {
  position: relative;
  z-index: 10;
  max-width: 80rem;
  margin: 0 auto;
  padding: 5rem 1.25rem;
}

@media (min-width: 640px) {
  body.variant-b .ai-service-container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  body.variant-b .ai-service-container {
    padding: 6rem 2rem;
  }
}

/* mb-14 lg:mb-16 text-center */
body.variant-b .ai-service-header {
  margin-bottom: 3.5rem;
  text-align: center;
}

@media (min-width: 1024px) {
  body.variant-b .ai-service-header {
    margin-bottom: 4rem;
  }
}

body.variant-b .ai-service-pill {
  display: inline-block;
  margin-bottom: 1.25rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.1);
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #a5f3fc;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(4px);
}

/* mb-4 text-2xl sm:text-3xl lg:text-4xl font-bold leading-tight */
body.variant-b .ai-service-title {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
}

@media (min-width: 640px) {
  body.variant-b .ai-service-title {
    font-size: 1.875rem;
  }
}

@media (min-width: 1024px) {
  body.variant-b .ai-service-title {
    font-size: 2.25rem;
  }
}

body.variant-b .ai-service-title-accent {
  background: linear-gradient(to right, #67e8f9, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* mx-auto max-w-[720px] text-sm sm:text-base lg:text-lg leading-[1.7] text-slate-300 */
body.variant-b .ai-service-subtitle {
  max-width: 720px;
  margin: 0 auto;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #cbd5e1;
}

@media (min-width: 640px) {
  body.variant-b .ai-service-subtitle {
    font-size: 1rem;
  }
}

@media (min-width: 1024px) {
  body.variant-b .ai-service-subtitle {
    font-size: 1.125rem;
  }
}

/* mx-auto mb-14 max-w-4xl lg:mb-16 */
body.variant-b .ai-service-before-after {
  max-width: 56rem;
  margin: 0 auto 3.5rem;
}

@media (min-width: 1024px) {
  body.variant-b .ai-service-before-after {
    margin-bottom: 4rem;
  }
}

/* flex flex-col gap-4 md:flex-row md:items-center */
body.variant-b .ai-service-flow {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
}

@media (min-width: 768px) {
  body.variant-b .ai-service-flow {
    flex-direction: row;
    align-items: center;
  }
}

body.variant-b .ai-service-flow-item {
  flex: 1;
}

body.variant-b .ai-service-flow-arrow-wrap {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
}

/* p-5 sm:p-6 rounded-[22px] */
body.variant-b .ai-service-before-card {
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.08);
  padding: 1.25rem;
  text-align: center;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
}

@media (min-width: 640px) {
  body.variant-b .ai-service-before-card {
    padding: 1.5rem;
  }
}

body.variant-b .ai-service-flow-label {
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #94a3b8;
}

body.variant-b .ai-after-card .ai-service-flow-label {
  color: #cffafe;
}

/* text-sm sm:text-base leading-relaxed */
body.variant-b .ai-service-before-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.625;
  color: #e2e8f0;
}

@media (min-width: 640px) {
  body.variant-b .ai-service-before-card p {
    font-size: 1rem;
  }
}

/* h-9 w-9 */
body.variant-b .ai-flow-arrow {
  display: flex;
  width: 2.25rem;
  height: 2.25rem;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  border: 1px solid rgba(103, 232, 249, 0.25);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(4px);
}

body.variant-b .ai-flow-arrow svg {
  width: 1rem;
  height: 1rem;
  color: #67e8f9;
  transform: rotate(90deg);
}

@media (min-width: 768px) {
  body.variant-b .ai-flow-arrow svg {
    transform: none;
  }
}

body.variant-b .ai-after-card {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: linear-gradient(to right, #06b6d4, #2563eb, #7c3aed);
  padding: 1.25rem;
  text-align: center;
  box-shadow: 0 20px 25px -5px rgba(6, 182, 212, 0.2);
}

@media (min-width: 640px) {
  body.variant-b .ai-after-card {
    padding: 1.5rem;
  }
}

body.variant-b .ai-after-card p {
  position: relative;
  z-index: 10;
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.625;
  color: #fff;
}

@media (min-width: 640px) {
  body.variant-b .ai-after-card p {
    font-size: 1rem;
  }
}

/* grid gap-5 md:gap-6 lg:grid-cols-4 max-w-7xl */
body.variant-b .ai-service-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 80rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  body.variant-b .ai-service-cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

@media (min-width: 1024px) {
  body.variant-b .ai-service-cards-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

body.variant-b .ai-service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(14, 23, 42, 0.85);
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
}

/* h-16 w-16 rounded-2xl mb-5 */
body.variant-b .ai-service-icon-box {
  position: relative;
  z-index: 10;
  display: flex;
  width: 4rem;
  height: 4rem;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  border-radius: 1rem;
}

body.variant-b .ai-service-icon-box.ai-service-icon-play {
  overflow: visible;
}

body.variant-b .ai-service-combo-icons {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #fff;
  line-height: 0;
}

body.variant-b .ai-service-combo-play,
body.variant-b .ai-service-combo-headphones {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  display: block;
  color: currentColor;
  overflow: visible;
}

body.variant-b .ai-service-icon-group {
  display: inline-flex;
  align-items: center;
  gap: 0.125rem;
  color: #fff;
}

body.variant-b .ai-service-icon-svg-lg {
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
}

body.variant-b .ai-service-icon-svg-md {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}

body.variant-b .ai-service-icon-svg-xl {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
}

body.variant-b .ai-service-icon-svg-sm {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

body.variant-b .ai-service-icon-box > svg {
  color: #fff;
}

body.variant-b .ai-service-icon-gradient-blue {
  background: linear-gradient(to bottom right, #3b82f6, #0ea5e9);
  box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.25);
}

body.variant-b .ai-service-icon-gradient-violet {
  background: linear-gradient(to bottom right, #8b5cf6, #7c3aed);
  box-shadow: 0 10px 15px -3px rgba(139, 92, 246, 0.25);
}

body.variant-b .ai-service-icon-gradient-indigo {
  background: linear-gradient(to bottom right, #6366f1, #7c3aed);
  box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.25);
}

body.variant-b .ai-service-icon-gradient-teal {
  background: linear-gradient(to bottom right, #14b8a6, #06b6d4);
  box-shadow: 0 10px 15px -3px rgba(20, 184, 166, 0.25);
}

/* mb-3 text-sm sm:text-base font-bold */
body.variant-b .ai-service-card h3 {
  position: relative;
  z-index: 10;
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
}

@media (min-width: 640px) {
  body.variant-b .ai-service-card h3 {
    font-size: 1rem;
  }
}

/* text-xs sm:text-sm leading-[1.65] */
body.variant-b .ai-service-card p {
  position: relative;
  z-index: 10;
  flex: 1;
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.65;
  color: #cbd5e1;
}

@media (min-width: 640px) {
  body.variant-b .ai-service-card p {
    font-size: 0.875rem;
  }
}

/* mt-5 flex gap-2 pt-1 */
body.variant-b .ai-service-chips {
  position: relative;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding-top: 0.25rem;
}

/* h-7 px-3 text-xs font-semibold */
body.variant-b .ai-service-chip {
  display: inline-flex;
  height: 1.75rem;
  align-items: center;
  border-radius: 9999px;
  border: 1px solid transparent;
  padding: 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  transition: all 300ms ease;
}

@media (hover: hover) {
  body.variant-b .ai-service-chip-cyan:hover {
    transform: translateY(-2px);
    border-color: rgba(103, 232, 249, 0.4);
    box-shadow: 0 10px 15px -3px rgba(6, 182, 212, 0.2);
  }

  body.variant-b .ai-service-chip-violet:hover {
    transform: translateY(-2px);
    border-color: rgba(196, 181, 253, 0.4);
    box-shadow: 0 10px 15px -3px rgba(124, 58, 237, 0.2);
  }

  body.variant-b .ai-service-chip-indigo:hover {
    transform: translateY(-2px);
    border-color: rgba(196, 181, 253, 0.4);
    box-shadow: 0 10px 15px -3px rgba(124, 58, 237, 0.2);
  }
}

body.variant-b .ai-service-chip-cyan {
  border-color: rgba(103, 232, 249, 0.2);
  background: rgba(34, 211, 238, 0.1);
  color: #a5f3fc;
}

body.variant-b .ai-service-chip-violet {
  border-color: rgba(167, 139, 250, 0.2);
  background: rgba(167, 139, 250, 0.1);
  color: #ddd6fe;
}

body.variant-b .ai-service-chip-indigo {
  border-color: rgba(129, 140, 248, 0.2);
  background: rgba(129, 140, 248, 0.1);
  color: #c7d2fe;
}

body.variant-b .sm-only-br {
  display: none;
}

@media (min-width: 640px) {
  body.variant-b .sm-only-br {
    display: inline;
  }
}

/* ── B Footer ── */
body.variant-b .b-site-footer,
body.variant-b .b-footer {
  border-top: 1px solid rgba(34, 211, 238, 0.1);
  background: #041018;
  color: #94a3b8;
  padding: 2.5rem 0;
}

@media (min-width: 1024px) {
  body.variant-b .b-site-footer,
  body.variant-b .b-footer {
    padding: 3rem 0;
  }
}

body.variant-b .b-footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  body.variant-b .b-footer-inner {
    flex-direction: row;
  }
}

body.variant-b .b-footer-logos {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

@media (min-width: 640px) {
  body.variant-b .b-footer-logos {
    flex-direction: row;
    gap: 1.5rem;
  }
}

body.variant-b .b-footer-logo-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

body.variant-b .b-footer-logo-label {
  font-size: 0.75rem;
  color: #6b7280;
}

body.variant-b .b-footer-cbmc-logo {
  height: 1.75rem;
  width: auto;
  filter: brightness(0) invert;
  opacity: 0.8;
}

body.variant-b .b-footer-livero-logo {
  height: 1.25rem;
  width: auto;
}

body.variant-b .b-footer-divider {
  display: none;
  width: 1px;
  height: 1.5rem;
  background: rgba(34, 211, 238, 0.2);
}

@media (min-width: 640px) {
  body.variant-b .b-footer-divider {
    display: block;
  }
}

body.variant-b .b-footer-info {
  text-align: center;
}

@media (min-width: 768px) {
  body.variant-b .b-footer-info {
    text-align: right;
  }
}

body.variant-b .b-footer-contact {
  margin: 0 0 0.375rem;
  font-size: 0.75rem;
  color: #9ca3af;
}

body.variant-b .b-footer-copy {
  margin: 0;
  font-size: 0.75rem;
  color: #6b7280;
}

/* ── Floating early bird CTA (B inner) ── */
body.variant-b .floating-early-bird-cta {
  position: fixed;
}

body.variant-b .floating-early-bird-inner {
  display: flex;
  height: 52px;
  max-width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border-radius: 9999px;
  border: 1px solid rgba(52, 211, 153, 0.25);
  background: rgba(2, 6, 23, 0.85);
  padding: 0.5rem 0.75rem;
  box-shadow: 0 25px 50px -12px rgba(16, 185, 129, 0.2);
  backdrop-filter: blur(16px);
}

@media (min-width: 640px) {
  body.variant-b .floating-early-bird-inner {
    gap: 1rem;
    padding: 0.5rem 1.25rem;
  }
}

@media (min-width: 1024px) {
  body.variant-b .floating-early-bird-inner {
    min-width: 520px;
    height: 56px;
    gap: 1.25rem;
    padding: 0.5rem 1.5rem;
  }
}

body.variant-b .floating-early-bird-left {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

body.variant-b .floating-early-bird-dot {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  border-radius: 9999px;
  background: #34d399;
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.65);
}

body.variant-b .floating-early-bird-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}

@media (min-width: 640px) {
  body.variant-b .floating-early-bird-label {
    font-size: 0.875rem;
  }
}

body.variant-b .floating-early-bird-meta {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.6875rem;
  color: #94a3b8;
  white-space: nowrap;
}

body.variant-b .floating-early-bird-meta strong {
  font-weight: 700;
  color: #34d399;
}

body.variant-b .floating-early-bird-meta-desktop {
  display: none;
}

@media (min-width: 640px) {
  body.variant-b .floating-early-bird-meta-desktop {
    display: flex;
    font-size: 0.875rem;
  }

  body.variant-b .floating-early-bird-meta-mobile {
    display: none;
  }
}

body.variant-b .floating-early-bird-sep {
  width: 1px;
  height: 1rem;
  background: rgba(71, 85, 105, 0.8);
}

body.variant-b .floating-early-bird-btn {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 0.25rem;
  border: 0;
  border-radius: 9999px;
  background: linear-gradient(to right, #34d399, #22d3ee);
  padding: 0.5rem 0.75rem;
  font-size: 0.6875rem;
  font-weight: 700;
  color: #0f172a;
  cursor: pointer;
  box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.25);
  transition: filter 0.2s ease;
}

@media (min-width: 640px) {
  body.variant-b .floating-early-bird-btn {
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
}

body.variant-b .floating-early-bird-btn:hover {
  filter: brightness(1.1);
}

body.variant-b .floating-early-bird-btn svg {
  width: 0.875rem;
  height: 0.875rem;
}

@media (min-width: 640px) {
  body.variant-b .floating-early-bird-btn svg {
    width: 1rem;
    height: 1rem;
  }
}

/* ── Mobile sticky CTA dark ── */
body.variant-b .mobile-sticky-cta-dark {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  border-top: 1px solid rgba(34, 211, 238, 0.3);
  background: rgba(4, 16, 24, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 -10px 25px -5px rgba(0, 0, 0, 0.3);
  padding: 0.75rem 1rem;
  padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
}

body.variant-b .mobile-sticky-cta-dark-btn {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 0;
  border-radius: 0.5rem;
  background: #0891b2;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: background 0.2s ease;
}

body.variant-b .mobile-sticky-cta-dark-btn:hover {
  background: #0e7490;
}

body.variant-b .mobile-sticky-cta-dark-btn svg {
  width: 1rem;
  height: 1rem;
}

/* ── Floating AI chat dark ── */
body.variant-b .floating-ai-chat-wrap-dark {
  position: fixed;
  bottom: 5.5rem;
  right: 1rem;
}

@media (min-width: 1024px) {
  body.variant-b .floating-ai-chat-wrap-dark {
    bottom: 1.5rem;
    right: 1.5rem;
  }
}

body.variant-b .floating-ai-chat-button-dark {
  position: relative;
  display: flex;
  width: 3.5rem;
  height: 3.5rem;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  border: 1px solid rgba(103, 232, 249, 0.3);
  background: linear-gradient(to bottom right, #06b6d4, #2563eb);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 20px 25px -5px rgba(6, 182, 212, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

@media (min-width: 1024px) {
  body.variant-b .floating-ai-chat-button-dark {
    width: 4rem;
    height: 4rem;
  }
}

body.variant-b .floating-ai-chat-button-dark:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 25px 50px -12px rgba(6, 182, 212, 0.4);
}

body.variant-b .floating-ai-chat-button-dark > svg {
  width: 1.5rem;
  height: 1.5rem;
}

@media (min-width: 1024px) {
  body.variant-b .floating-ai-chat-button-dark > svg {
    width: 1.75rem;
    height: 1.75rem;
  }
}

body.variant-b .floating-ai-chat-wrap-dark .floating-ai-chat-tooltip {
  position: absolute;
  bottom: calc(100% + 10px);
  right: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(15, 23, 42, 0.9);
  color: #fff;
}

/* Mobile: avoid overlap with sticky CTA + floating early bird */
@media (max-width: 1023px) {
  body.variant-b .floating-ai-chat-wrap-dark {
    bottom: 5.5rem;
  }

  body.variant-b .floating-early-bird-cta.floating-early-bird-visible {
    bottom: 5.25rem;
  }
}

/* B variant — real-time AI content (sales) section */
body.variant-b .b-live-content-section {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 88px 32px;
  background:
    radial-gradient(circle at 18% 20%, rgba(34, 211, 238, 0.14), transparent 34%),
    radial-gradient(circle at 82% 30%, rgba(168, 85, 247, 0.16), transparent 36%),
    linear-gradient(180deg, #020617 0%, #07111f 52%, #020617 100%);
}

body.variant-b .b-live-content-section::before {
  content: "";
  position: absolute;
  inset: -20%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 22% 28%, rgba(34, 211, 238, 0.16), transparent 28%),
    radial-gradient(circle at 76% 34%, rgba(168, 85, 247, 0.14), transparent 32%),
    radial-gradient(circle at 50% 86%, rgba(59, 130, 246, 0.10), transparent 30%);
  filter: blur(10px);
  opacity: 0.85;
  animation: bLiveAmbientMove 12s ease-in-out infinite alternate;
}

@keyframes bLiveAmbientMove {
  0% {
    transform: translate3d(-1.5%, -1%, 0) scale(1);
  }

  100% {
    transform: translate3d(1.5%, 1%, 0) scale(1.04);
  }
}

body.variant-b .b-live-content-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.9;
}

body.variant-b .b-live-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(28px);
}

body.variant-b .b-live-orb-1 {
  width: 280px;
  height: 280px;
  left: -80px;
  top: 80px;
  background: rgba(34, 211, 238, 0.13);
}

body.variant-b .b-live-orb-2 {
  width: 320px;
  height: 320px;
  right: -110px;
  bottom: 20px;
  background: rgba(168, 85, 247, 0.14);
}

body.variant-b .b-live-grid-line {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, transparent, black 18%, black 78%, transparent);
}

body.variant-b .b-live-content-container {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
}

body.variant-b .b-live-content-header {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

body.variant-b .b-live-content-eyebrow {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.28);
  background: rgba(34, 211, 238, 0.08);
  color: #22d3ee;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

body.variant-b .b-live-content-title {
  margin: 24px 0 0;
  color: #ffffff;
  font-size: clamp(38px, 4.2vw, 64px);
  line-height: 1.16;
  font-weight: 950;
  letter-spacing: -0.055em;
}

body.variant-b .b-live-title-line {
  display: block;
}

body.variant-b .b-live-emphasis {
  position: relative;
  display: inline-block;
  white-space: nowrap;
}

body.variant-b .b-live-emphasis-time {
  color: #67e8f9;
  text-shadow:
    0 0 14px rgba(34, 211, 238, 0.34),
    0 0 28px rgba(34, 211, 238, 0.14);
}

body.variant-b .b-live-emphasis-revive {
  color: transparent;
  background-image: linear-gradient(
    90deg,
    #ffffff 0%,
    #ffffff 24%,
    #67e8f9 42%,
    #a78bfa 62%,
    #ffffff 78%,
    #ffffff 100%
  );
  background-size: 220% 100%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow:
    0 0 18px rgba(34, 211, 238, 0.12),
    0 0 28px rgba(168, 85, 247, 0.10);
  animation: bLiveTextGradientOnly 6.5s ease-in-out infinite;
}

@keyframes bLiveTextGradientOnly {
  0%,
  100% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }
}

body.variant-b .b-live-emphasis::after,
body.variant-b .b-live-title-highlight::after,
body.variant-b .b-live-title-highlight-revive::after {
  content: none !important;
  display: none !important;
}

body.variant-b .b-live-content-header,
body.variant-b .b-live-content-flow,
body.variant-b .b-live-content-card {
  opacity: 0;
  transform: translateY(22px);
}

body.variant-b .b-live-content-flow {
  margin: 38px auto 0;
  max-width: 920px;
  display: grid;
  grid-template-columns: 1fr 96px 1fr 96px 1fr;
  align-items: center;
}

body.variant-b .b-live-flow-step {
  min-height: 86px;
  padding: 18px 22px;
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(15, 23, 42, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  text-align: center;
}

body.variant-b .b-live-flow-step span {
  display: block;
  color: rgba(148, 163, 184, 0.7);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

body.variant-b .b-live-flow-step strong {
  display: block;
  margin-top: 8px;
  color: #ffffff;
  font-size: 20px;
  font-weight: 900;
}

body.variant-b .b-live-flow-highlight {
  position: relative;
  overflow: hidden;
  border-color: rgba(34, 211, 238, 0.48);
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.22), rgba(168, 85, 247, 0.16)),
    rgba(15, 23, 42, 0.82);
  box-shadow:
    0 0 42px rgba(34, 211, 238, 0.20),
    0 0 64px rgba(168, 85, 247, 0.10),
    inset 0 1px 0 rgba(255, 255, 255, 0.10);
  animation: bLiveCenterPulse 4.2s ease-in-out infinite;
}

body.variant-b .b-live-flow-highlight::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(
    120deg,
    transparent 0%,
    transparent 38%,
    rgba(255, 255, 255, 0.18) 48%,
    transparent 58%,
    transparent 100%
  );
  transform: translateX(-120%);
  animation: bLiveHighlightSweep 4.2s ease-in-out infinite;
}

@keyframes bLiveCenterPulse {
  0%,
  100% {
    box-shadow:
      0 0 42px rgba(34, 211, 238, 0.20),
      0 0 64px rgba(168, 85, 247, 0.10),
      inset 0 1px 0 rgba(255, 255, 255, 0.10);
  }

  50% {
    box-shadow:
      0 0 48px rgba(34, 211, 238, 0.24),
      0 0 72px rgba(168, 85, 247, 0.12),
      inset 0 1px 0 rgba(255, 255, 255, 0.11);
  }
}

@keyframes bLiveHighlightSweep {
  0%,
  42% {
    transform: translateX(-130%);
    opacity: 0;
  }

  52% {
    opacity: 1;
  }

  82%,
  100% {
    transform: translateX(130%);
    opacity: 0;
  }
}

body.variant-b .b-live-flow-highlight strong {
  color: #67e8f9;
  text-shadow:
    0 0 14px rgba(34, 211, 238, 0.28),
    0 0 28px rgba(34, 211, 238, 0.12);
}

body.variant-b .b-live-flow-line {
  position: relative;
  height: 2px;
  background: rgba(51, 65, 85, 0.75);
  overflow: hidden;
}

body.variant-b .b-live-flow-line::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.35), transparent);
  opacity: 0.45;
}

body.variant-b .b-live-flow-line span {
  position: absolute;
  top: 50%;
  left: -30%;
  width: 34%;
  height: 2px;
  transform: translateY(-50%);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(103, 232, 249, 0.95),
    rgba(168, 85, 247, 0.9),
    transparent
  );
  box-shadow:
    0 0 16px rgba(34, 211, 238, 0.48),
    0 0 28px rgba(168, 85, 247, 0.22);
  animation: bLiveFlowBeam 2.7s cubic-bezier(0.22, 1, 0.36, 1) infinite;
}

@keyframes bLiveFlowBeam {
  0% {
    left: -35%;
    opacity: 0;
  }

  18% {
    opacity: 1;
  }

  72% {
    opacity: 1;
  }

  100% {
    left: 105%;
    opacity: 0;
  }
}

body.variant-b .b-live-content-cards {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

body.variant-b .b-live-content-card {
  position: relative;
  overflow: hidden;
  min-height: 176px;
  padding: 26px 28px;
  display: flex;
  align-items: center;
  border-radius: 28px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.84), rgba(15, 23, 42, 0.62));
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

body.variant-b .b-live-card-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  align-items: center;
  column-gap: 16px;
  width: 100%;
}

body.variant-b .b-live-card-text {
  min-width: 0;
  display: grid;
  gap: 7px;
  align-content: center;
}

body.variant-b .b-live-content-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%, rgba(34, 211, 238, 0.16), transparent 36%);
  opacity: 0;
  transition: opacity 220ms ease;
}

body.variant-b .b-live-content-card::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.48), transparent);
  opacity: 0;
  transition: opacity 220ms ease;
}

body.variant-b .b-live-content-section.is-visible .b-live-content-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.34);
  box-shadow:
    0 30px 70px rgba(0, 0, 0, 0.34),
    0 0 32px rgba(34, 211, 238, 0.1);
}

body.variant-b .b-live-content-section.is-visible .b-live-content-card:hover::before {
  opacity: 1;
}

body.variant-b .b-live-content-section.is-visible .b-live-content-card:hover::after {
  opacity: 1;
}

body.variant-b .b-live-content-section.is-visible .b-live-content-card:hover .b-live-card-icon {
  transform: translateY(-2px) scale(1.04);
  box-shadow:
    0 0 22px rgba(34, 211, 238, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

body.variant-b .b-live-card-icon {
  position: relative;
  z-index: 1;
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
  border-radius: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  color: #67e8f9;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.22);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}

body.variant-b .b-live-card-replay .b-live-card-icon {
  color: #67e8f9;
  background: rgba(34, 211, 238, 0.11);
  border-color: rgba(34, 211, 238, 0.24);
}

body.variant-b .b-live-card-summary .b-live-card-icon {
  color: #a5b4fc;
  background: rgba(99, 102, 241, 0.12);
  border-color: rgba(129, 140, 248, 0.25);
}

body.variant-b .b-live-card-shorts .b-live-card-icon {
  color: #60a5fa;
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(96, 165, 250, 0.24);
}

body.variant-b .b-live-card-chatbot .b-live-card-icon {
  color: #5eead4;
  background: rgba(20, 184, 166, 0.12);
  border-color: rgba(94, 234, 212, 0.24);
}

body.variant-b .b-live-card-icon svg {
  width: 23px;
  height: 23px;
}

body.variant-b .b-live-content-card h3 {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #ffffff;
  font-size: 22px;
  line-height: 1.28;
  font-weight: 950;
  letter-spacing: -0.035em;
  word-break: keep-all;
}

body.variant-b .b-live-content-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: rgba(203, 213, 225, 0.82);
  font-size: 16px;
  line-height: 1.45;
  font-weight: 600;
  word-break: keep-all;
}

body.variant-b .b-live-content-section.is-visible .b-live-content-header {
  animation: bLiveRevealUp 680ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

body.variant-b .b-live-content-section.is-visible .b-live-content-flow {
  animation: bLiveRevealUp 680ms cubic-bezier(0.22, 1, 0.36, 1) 120ms forwards;
}

body.variant-b .b-live-content-section.is-visible .b-live-content-card {
  animation: bLiveRevealUp 620ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

body.variant-b .b-live-content-section.is-visible .b-live-content-card:nth-child(1) {
  animation-delay: 240ms;
}

body.variant-b .b-live-content-section.is-visible .b-live-content-card:nth-child(2) {
  animation-delay: 330ms;
}

body.variant-b .b-live-content-section.is-visible .b-live-content-card:nth-child(3) {
  animation-delay: 420ms;
}

body.variant-b .b-live-content-section.is-visible .b-live-content-card:nth-child(4) {
  animation-delay: 510ms;
}

@keyframes bLiveRevealUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1023px) {
  body.variant-b .b-live-content-section {
    padding: 76px 24px;
  }

  body.variant-b .b-live-content-flow {
    grid-template-columns: 1fr;
    gap: 14px;
    max-width: 520px;
  }

  body.variant-b .b-live-flow-line {
    width: 2px;
    height: 36px;
    margin: 0 auto;
  }

  body.variant-b .b-live-flow-line::before {
    background: linear-gradient(180deg, transparent, rgba(34, 211, 238, 0.35), transparent);
  }

  body.variant-b .b-live-flow-line span {
    top: -30%;
    left: 50%;
    width: 2px;
    height: 34%;
    transform: translateX(-50%);
    background: linear-gradient(
      180deg,
      transparent,
      rgba(103, 232, 249, 0.95),
      rgba(168, 85, 247, 0.9),
      transparent
    );
    animation: bLiveFlowBeamY 2.7s cubic-bezier(0.22, 1, 0.36, 1) infinite;
  }

  @keyframes bLiveFlowBeamY {
    0% {
      top: -35%;
      opacity: 0;
    }

    18% {
      opacity: 1;
    }

    72% {
      opacity: 1;
    }

    100% {
      top: 105%;
      opacity: 0;
    }
  }

  body.variant-b .b-live-content-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  body.variant-b .b-live-content-section::before {
    animation-duration: 16s;
    opacity: 0.55;
  }

  body.variant-b .b-live-content-section {
    padding: 60px 18px;
  }

  body.variant-b .b-live-content-title {
    font-size: 34px;
    line-height: 1.18;
  }

  body.variant-b .b-live-content-flow {
    margin-top: 32px;
  }

  body.variant-b .b-live-flow-step {
    min-height: 78px;
    padding: 16px 18px;
  }

  body.variant-b .b-live-content-cards {
    margin-top: 34px;
    grid-template-columns: 1fr;
    gap: 14px;
  }

  body.variant-b .b-live-content-card {
    min-height: 0;
    padding: 22px 20px;
    border-radius: 24px;
  }

  body.variant-b .b-live-card-inner {
    grid-template-columns: 46px minmax(0, 1fr);
    column-gap: 14px;
  }

  body.variant-b .b-live-card-icon {
    width: 46px;
    height: 46px;
    flex-basis: 46px;
    border-radius: 16px;
  }

  body.variant-b .b-live-card-icon svg {
    width: 22px;
    height: 22px;
  }

  body.variant-b .b-live-card-text {
    gap: 6px;
  }

  body.variant-b .b-live-content-card h3 {
    font-size: 21px;
    line-height: 1.3;
  }

  body.variant-b .b-live-content-card p {
    font-size: 15px;
    line-height: 1.45;
  }
}

@media (max-width: 360px) {
  body.variant-b .b-live-card-inner {
    grid-template-columns: 42px minmax(0, 1fr);
    column-gap: 12px;
  }

  body.variant-b .b-live-card-icon {
    width: 42px;
    height: 42px;
    flex-basis: 42px;
  }

  body.variant-b .b-live-content-card h3 {
    font-size: 19px;
  }

  body.variant-b .b-live-content-card p {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.variant-b .b-live-content-section::before,
  body.variant-b .b-live-flow-line span,
  body.variant-b .b-live-flow-highlight,
  body.variant-b .b-live-flow-highlight::after,
  body.variant-b .b-live-emphasis-revive,
  body.variant-b .b-live-title-line,
  body.variant-b .b-live-content-section.is-visible .b-live-title-line,
  body.variant-b .b-live-content-header,
  body.variant-b .b-live-content-flow,
  body.variant-b .b-live-content-card,
  body.variant-b .b-live-content-section.is-visible .b-live-content-header,
  body.variant-b .b-live-content-section.is-visible .b-live-content-flow,
  body.variant-b .b-live-content-section.is-visible .b-live-content-card {
    animation: none !important;
    transform: none !important;
    opacity: 1 !important;
  }

  body.variant-b .b-live-emphasis-revive {
    color: #ffffff;
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
  }
}

/* A variant — conference growth (AI content activation) section */
body.variant-a .a-growth-section {
  position: relative;
  overflow: hidden;
  padding: 96px 32px 92px;
  background:
    radial-gradient(circle at 16% 18%, rgba(34, 211, 238, 0.13), transparent 32%),
    radial-gradient(circle at 84% 22%, rgba(37, 99, 235, 0.12), transparent 34%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 48%, #eef8ff 100%);
  border-top: 1px solid rgba(226, 232, 240, 0.9);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

body.variant-a .a-growth-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

body.variant-a .a-growth-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(30px);
  opacity: 0.7;
}

body.variant-a .a-growth-orb-1 {
  width: 280px;
  height: 280px;
  left: -90px;
  top: 90px;
  background: rgba(34, 211, 238, 0.18);
}

body.variant-a .a-growth-orb-2 {
  width: 320px;
  height: 320px;
  right: -100px;
  bottom: 40px;
  background: rgba(37, 99, 235, 0.14);
}

body.variant-a .a-growth-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, transparent, black 18%, black 80%, transparent);
}

body.variant-a .a-growth-container {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
}

body.variant-a .a-growth-header {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

body.variant-a .a-growth-eyebrow {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  background: rgba(37, 99, 235, 0.08);
  color: #2563eb;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

body.variant-a .a-growth-title {
  margin: 24px 0 0;
  color: #0f172a;
  font-size: clamp(38px, 4vw, 62px);
  line-height: 1.16;
  font-weight: 950;
  letter-spacing: -0.055em;
}

body.variant-a .a-growth-flow {
  margin: 42px auto 0;
  max-width: 920px;
  display: grid;
  grid-template-columns: 1fr 96px 1fr 96px 1fr;
  align-items: center;
}

body.variant-a .a-growth-flow-step {
  min-height: 88px;
  padding: 20px 24px;
  border-radius: 24px;
  border: 1px solid #dbeafe;
  background: rgba(255, 255, 255, 0.86);
  box-shadow:
    0 18px 40px rgba(15, 23, 42, 0.07),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
  text-align: center;
}

body.variant-a .a-growth-flow-step span {
  display: block;
  color: #94a3b8;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

body.variant-a .a-growth-flow-step strong {
  display: block;
  margin-top: 8px;
  color: #0f172a;
  font-size: 20px;
  font-weight: 900;
}

body.variant-a .a-growth-flow-highlight {
  border-color: rgba(14, 165, 233, 0.35);
  background:
    linear-gradient(135deg, rgba(34, 211, 238, 0.15), rgba(37, 99, 235, 0.10)),
    rgba(255, 255, 255, 0.92);
  box-shadow:
    0 22px 52px rgba(37, 99, 235, 0.13),
    0 0 36px rgba(34, 211, 238, 0.13),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
}

body.variant-a .a-growth-flow-highlight strong {
  color: #0891b2;
}

body.variant-a .a-growth-flow-line {
  position: relative;
  height: 2px;
  background: rgba(148, 163, 184, 0.32);
  overflow: hidden;
}

body.variant-a .a-growth-flow-line span {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, #0891b2, transparent);
  animation: aGrowthFlowPulse 2.8s ease-in-out infinite;
}

@keyframes aGrowthFlowPulse {
  0% {
    transform: translateX(-100%);
    opacity: 0;
  }

  35% {
    opacity: 1;
  }

  100% {
    transform: translateX(100%);
    opacity: 0;
  }
}

body.variant-a .a-growth-cards {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

body.variant-a .a-growth-card {
  position: relative;
  overflow: hidden;
  min-height: 176px;
  padding: 26px 28px;
  display: flex;
  align-items: center;
  border-radius: 28px;
  border: 1px solid rgba(203, 213, 225, 0.9);
  background: rgba(255, 255, 255, 0.86);
  box-shadow:
    0 24px 54px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

body.variant-a .a-growth-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 0%, rgba(34, 211, 238, 0.16), transparent 38%);
  opacity: 0;
  transition: opacity 220ms ease;
}

body.variant-a .a-growth-section.is-visible .a-growth-card:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 165, 233, 0.34);
  box-shadow:
    0 30px 70px rgba(15, 23, 42, 0.12),
    0 0 34px rgba(34, 211, 238, 0.12);
}

body.variant-a .a-growth-section.is-visible .a-growth-card:hover::before {
  opacity: 1;
}

body.variant-a .a-growth-card-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  align-items: center;
  column-gap: 16px;
  width: 100%;
}

body.variant-a .a-growth-card-icon {
  width: 50px;
  height: 50px;
  border-radius: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #0891b2;
  background: rgba(14, 165, 233, 0.10);
  border: 1px solid rgba(14, 165, 233, 0.20);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}

body.variant-a .a-growth-section.is-visible .a-growth-card:hover .a-growth-card-icon {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.18);
}

body.variant-a .a-growth-card-icon svg {
  width: 23px;
  height: 23px;
}

body.variant-a .a-growth-card-text {
  display: grid;
  gap: 7px;
  align-content: center;
  min-width: 0;
}

body.variant-a .a-growth-card-text h3 {
  margin: 0;
  color: #0f172a;
  font-size: 22px;
  line-height: 1.28;
  font-weight: 950;
  letter-spacing: -0.035em;
  word-break: keep-all;
}

body.variant-a .a-growth-card-text p {
  margin: 0;
  color: #475569;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 700;
  word-break: keep-all;
}

body.variant-a .a-growth-card-replay .a-growth-card-icon {
  color: #0284c7;
  background: rgba(14, 165, 233, 0.10);
  border-color: rgba(14, 165, 233, 0.20);
}

body.variant-a .a-growth-card-material .a-growth-card-icon {
  color: #2563eb;
  background: rgba(37, 99, 235, 0.09);
  border-color: rgba(37, 99, 235, 0.18);
}

body.variant-a .a-growth-card-shorts .a-growth-card-icon {
  color: #7c3aed;
  background: rgba(124, 58, 237, 0.08);
  border-color: rgba(124, 58, 237, 0.18);
}

body.variant-a .a-growth-card-chatbot .a-growth-card-icon {
  color: #0f766e;
  background: rgba(20, 184, 166, 0.10);
  border-color: rgba(20, 184, 166, 0.20);
}

body.variant-a .a-growth-header,
body.variant-a .a-growth-flow,
body.variant-a .a-growth-card {
  opacity: 0;
  transform: translateY(22px);
}

body.variant-a .a-growth-section.is-visible .a-growth-header {
  animation: aGrowthRevealUp 640ms ease forwards;
}

body.variant-a .a-growth-section.is-visible .a-growth-flow {
  animation: aGrowthRevealUp 640ms ease 120ms forwards;
}

body.variant-a .a-growth-section.is-visible .a-growth-card {
  animation: aGrowthRevealUp 620ms ease forwards;
}

body.variant-a .a-growth-section.is-visible .a-growth-card:nth-child(1) {
  animation-delay: 240ms;
}

body.variant-a .a-growth-section.is-visible .a-growth-card:nth-child(2) {
  animation-delay: 330ms;
}

body.variant-a .a-growth-section.is-visible .a-growth-card:nth-child(3) {
  animation-delay: 420ms;
}

body.variant-a .a-growth-section.is-visible .a-growth-card:nth-child(4) {
  animation-delay: 510ms;
}

@keyframes aGrowthRevealUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1023px) {
  body.variant-a .a-growth-section {
    padding: 80px 24px;
  }

  body.variant-a .a-growth-flow {
    grid-template-columns: 1fr;
    gap: 14px;
    max-width: 520px;
  }

  body.variant-a .a-growth-flow-line {
    width: 2px;
    height: 36px;
    margin: 0 auto;
  }

  body.variant-a .a-growth-flow-line span {
    background: linear-gradient(180deg, transparent, #0891b2, transparent);
    animation: aGrowthFlowPulseY 2.8s ease-in-out infinite;
  }

  @keyframes aGrowthFlowPulseY {
    0% {
      transform: translateY(-100%);
      opacity: 0;
    }

    35% {
      opacity: 1;
    }

    100% {
      transform: translateY(100%);
      opacity: 0;
    }
  }

  body.variant-a .a-growth-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  body.variant-a .a-growth-section {
    padding: 64px 18px;
  }

  body.variant-a .a-growth-title {
    font-size: 34px;
    line-height: 1.18;
  }

  body.variant-a .a-growth-flow {
    margin-top: 32px;
  }

  body.variant-a .a-growth-flow-step {
    min-height: 78px;
    padding: 16px 18px;
  }

  body.variant-a .a-growth-cards {
    margin-top: 34px;
    grid-template-columns: 1fr;
    gap: 14px;
  }

  body.variant-a .a-growth-card {
    min-height: 0;
    padding: 22px 20px;
    border-radius: 24px;
  }

  body.variant-a .a-growth-card-inner {
    grid-template-columns: 46px minmax(0, 1fr);
    column-gap: 14px;
  }

  body.variant-a .a-growth-card-icon {
    width: 46px;
    height: 46px;
    border-radius: 16px;
  }

  body.variant-a .a-growth-card-icon svg {
    width: 22px;
    height: 22px;
  }

  body.variant-a .a-growth-card-text h3 {
    font-size: 21px;
  }

  body.variant-a .a-growth-card-text p {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.variant-a .a-growth-flow-line span,
  body.variant-a .a-growth-header,
  body.variant-a .a-growth-flow,
  body.variant-a .a-growth-card,
  body.variant-a .a-growth-section.is-visible .a-growth-header,
  body.variant-a .a-growth-section.is-visible .a-growth-flow,
  body.variant-a .a-growth-section.is-visible .a-growth-card {
    animation: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}

/* A/B common — hide legacy Livero AI content service section */
#ai-services {
  display: none !important;
}

/* A/B common — mobile header login (direct access, no hamburger-only) */
@media (max-width: 1023px) {
  body.variant-a .header-login-button {
    display: inline-flex !important;
    min-height: 36px;
    padding: 8px 12px;
    font-size: 13px;
  }

  body.variant-a [data-mobile-menu] {
    display: none;
  }

  body.variant-b .b-header-login-button {
    display: inline-flex !important;
    min-height: 36px;
    padding: 8px 12px;
    font-size: 13px;
  }

  body.variant-b [data-mobile-menu] {
    display: none;
  }
}

@media (max-width: 380px) {
  body.variant-a [data-header-actions] {
    gap: 6px;
  }

  body.variant-b [data-header-actions] {
    gap: 6px;
  }

  body.variant-a .header-register-button,
  body.variant-b .b-header-register-button {
    padding-left: 12px;
    padding-right: 12px;
    font-size: 13px;
  }
}

/* ── B detail page (b-detail- prefix) ── */

.variant-b .b-detail-page {
  --detail-font-scale: 1;
  min-height: 100vh;
  color: #e5eefb;
  background:
    radial-gradient(circle at 14% 8%, rgba(34, 211, 238, 0.16), transparent 28%),
    radial-gradient(circle at 86% 12%, rgba(168, 85, 247, 0.14), transparent 30%),
    linear-gradient(180deg, #020617 0%, #07111f 48%, #020617 100%);
}

.variant-b .b-detail-page[data-detail-font-size='small'] {
  --detail-font-scale: 0.92;
}

.variant-b .b-detail-page[data-detail-font-size='large'] {
  --detail-font-scale: 1.1;
}

.variant-b .b-detail-container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.variant-b .b-detail-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(2, 6, 23, 0.78);
  backdrop-filter: blur(18px);
}

.variant-b .b-detail-header-inner {
  width: min(1180px, calc(100% - 48px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.variant-b .b-detail-back,
.variant-b .b-detail-header-link {
  color: rgba(226, 232, 240, 0.78);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: color 180ms ease;
}

.variant-b .b-detail-back:hover,
.variant-b .b-detail-header-link:hover {
  color: #67e8f9;
}

.variant-b .b-detail-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-weight: 950;
  letter-spacing: -0.02em;
}

.variant-b .b-detail-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 13px;
  color: #020617;
  background: linear-gradient(135deg, #67e8f9, #a78bfa);
  font-size: 13px;
  font-weight: 950;
}

.variant-b .b-detail-header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.variant-b .b-detail-share-button {
  height: 38px;
  padding: 0 16px;
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: 999px;
  color: #67e8f9;
  background: rgba(34, 211, 238, 0.08);
  font-weight: 900;
  cursor: pointer;
}

.variant-b .b-detail-share-anchor {
  position: relative;
}

.variant-b .b-detail-share-popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 120;
  width: 252px;
  padding: 12px 10px 10px;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.98), rgba(2, 6, 23, 0.98));
  box-shadow:
    0 18px 48px rgba(0, 0, 0, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.variant-b .b-detail-share-popover[hidden] {
  display: none;
}

.variant-b .b-detail-share-popover-title {
  margin: 0 0 10px;
  padding: 0 4px;
  color: rgba(226, 232, 240, 0.88);
  font-size: 12px;
  line-height: 1.3;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.variant-b .b-detail-share-popover-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px 6px;
}

.variant-b .b-detail-share-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.variant-b .b-detail-share-option-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.variant-b .b-detail-share-option-icon svg {
  width: 22px;
  height: 22px;
}

.variant-b .b-detail-share-option:hover .b-detail-share-option-icon {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.2);
}

.variant-b .b-detail-share-option-label {
  color: rgba(226, 232, 240, 0.82);
  font-size: 10px;
  line-height: 1.25;
  font-weight: 750;
  text-align: center;
  word-break: keep-all;
}

.variant-b .b-detail-share-option--kakao .b-detail-share-option-icon {
  background: #fee500;
}

.variant-b .b-detail-share-option--facebook .b-detail-share-option-icon {
  background: #1877f2;
}

.variant-b .b-detail-share-option--x .b-detail-share-option-icon {
  background: #000000;
}

.variant-b .b-detail-share-option--neutral .b-detail-share-option-icon {
  color: #0f172a;
  background: rgba(241, 245, 249, 0.92);
}

.variant-b .b-detail-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 88px;
}

.variant-b .b-detail-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.variant-b .b-detail-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(42px);
  opacity: 0.7;
}

.variant-b .b-detail-orb-1 {
  width: 320px;
  height: 320px;
  left: -90px;
  top: 80px;
  background: rgba(34, 211, 238, 0.18);
}

.variant-b .b-detail-orb-2 {
  width: 340px;
  height: 340px;
  right: -90px;
  top: 120px;
  background: rgba(168, 85, 247, 0.16);
}

.variant-b .b-detail-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 86%);
}

.variant-b .b-detail-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 48px;
  align-items: center;
}

.variant-b .b-detail-eyebrow,
.variant-b .b-detail-section-kicker {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  border: 1px solid rgba(34, 211, 238, 0.26);
  border-radius: 999px;
  color: #67e8f9;
  background: rgba(34, 211, 238, 0.08);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.variant-b .b-detail-hero-copy h1 {
  margin: 24px 0 0;
  color: #ffffff;
  font-size: clamp(46px, 5.4vw, 84px);
  line-height: 1.08;
  font-weight: 950;
  letter-spacing: -0.065em;
}

.variant-b .b-detail-hero-copy p {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(203, 213, 225, 0.82);
  font-size: 18px;
  line-height: 1.75;
  font-weight: 600;
}

.variant-b .b-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.variant-b .b-detail-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  color: rgba(226, 232, 240, 0.86);
  background: rgba(15, 23, 42, 0.76);
  border: 1px solid rgba(148, 163, 184, 0.18);
  font-size: 14px;
  font-weight: 800;
}

.variant-b .b-detail-hero-actions,
.variant-b .b-detail-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.variant-b .b-detail-primary-btn,
.variant-b .b-detail-secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 950;
  text-decoration: none;
  cursor: pointer;
}

.variant-b .b-detail-primary-btn {
  color: #020617;
  background: linear-gradient(135deg, #67e8f9, #a78bfa);
  border: 0;
  box-shadow: 0 18px 42px rgba(34, 211, 238, 0.18);
}

.variant-b .b-detail-secondary-btn {
  color: #e5eefb;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.24);
}

.variant-b .b-detail-hero-card {
  position: relative;
  overflow: hidden;
  padding: 32px;
  border-radius: 34px;
  border: 1px solid rgba(148, 163, 184, 0.20);
  background:
    radial-gradient(circle at 20% 0%, rgba(34, 211, 238, 0.16), transparent 34%),
    rgba(15, 23, 42, 0.78);
  box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.variant-b .b-detail-card-kicker {
  color: #67e8f9;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.variant-b .b-detail-hero-card strong {
  display: block;
  margin-top: 18px;
  color: #ffffff;
  font-size: 38px;
  line-height: 1.15;
  font-weight: 950;
  letter-spacing: -0.05em;
}

.variant-b .b-detail-hero-card p {
  margin: 14px 0 0;
  color: rgba(203, 213, 225, 0.78);
  font-size: 15px;
  line-height: 1.6;
}

.variant-b .b-detail-hero-card-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.variant-b .b-detail-hero-card-list span {
  padding: 8px 11px;
  border-radius: 999px;
  color: rgba(226, 232, 240, 0.9);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 800;
}

.variant-b .b-detail-section {
  padding: 36px 0;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.variant-b .b-detail-main {
  position: relative;
}

.variant-b .b-detail-watch-section {
  padding: 40px 0 36px;
  border-top: 0;
}

.variant-b .b-detail-section-header {
  max-width: 760px;
  margin-bottom: 18px;
}

.variant-b .b-detail-section-header--row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  max-width: none;
  width: 100%;
}

.variant-b .b-detail-section-header-main {
  min-width: 0;
  flex: 1;
}

.variant-b .b-detail-section-header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  padding-bottom: 2px;
}

.variant-b .b-detail-lang-switch,
.variant-b .b-detail-font-size-controls {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.variant-b .b-detail-lang-switch button,
.variant-b .b-detail-font-size-btn {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(203, 213, 225, 0.72);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.variant-b .b-detail-lang-switch button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  padding: 0;
  border-radius: 50%;
}

.variant-b .b-detail-lang-switch button.is-active,
.variant-b .b-detail-lang-switch button[aria-pressed='true'] {
  color: #67e8f9;
  background: rgba(34, 211, 238, 0.12);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.08);
}

.variant-b .b-detail-font-size-btn {
  min-width: 35px;
  height: 40px;
  padding: 0 6px;
  font-size: 17.16px;
  font-weight: 700;
  line-height: 1;
}

.variant-b .b-detail-font-size-btn.is-reset {
  min-width: 31px;
  font-size: 14.52px;
  font-weight: 900;
}

.variant-b .b-detail-font-size-btn:hover,
.variant-b .b-detail-lang-switch button:hover {
  color: #67e8f9;
  background: rgba(34, 211, 238, 0.08);
}

.variant-b .b-detail-lang-switch button[data-detail-lang-pending] {
  opacity: 0.42;
  cursor: not-allowed;
}

.variant-b .b-detail-lang-switch button[data-detail-lang-pending]:hover {
  color: rgba(226, 232, 240, 0.72);
  background: rgba(15, 23, 42, 0.42);
}

.variant-b .b-detail-page[data-detail-lang='en'] .b-detail-info-item strong,
.variant-b .b-detail-page[data-detail-lang='en'] .b-detail-markdown-body,
.variant-b .b-detail-page[data-detail-lang='jn'] .b-detail-info-item strong,
.variant-b .b-detail-page[data-detail-lang='jn'] .b-detail-markdown-body,
.variant-b .b-detail-page[data-detail-lang='cn'] .b-detail-info-item strong,
.variant-b .b-detail-page[data-detail-lang='cn'] .b-detail-markdown-body {
  word-break: break-word;
}

.variant-b .b-detail-font-size-btn[aria-pressed='true'] {
  color: #67e8f9;
}

.variant-b .b-detail-font-size-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.variant-b .b-detail-section-header h2 {
  margin: 14px 0 0;
  color: #ffffff;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.18;
  font-weight: 950;
  letter-spacing: -0.045em;
}

.variant-b .b-detail-section-header p {
  margin: 12px 0 0;
  color: rgba(203, 213, 225, 0.78);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 600;
}

.variant-b .b-detail-video-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 420px);
  gap: 28px;
  align-items: stretch;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.variant-b .b-detail-video-card,
.variant-b .b-detail-overview-card,
.variant-b .b-detail-video-info,
.variant-b .b-detail-ai-card,
.variant-b .b-detail-summary-panel,
.variant-b .b-detail-main .b-featured-section {
  margin-top: 0;
}

.variant-b .b-detail-share-panel,
.variant-b .b-detail-overview-card,
.variant-b .b-detail-recent-card,
.variant-b .b-detail-cta {
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.72);
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
}

.variant-b .b-detail-video-card {
  position: relative;
  aspect-ratio: 16 / 9;
  min-width: 0;
  min-height: 0;
  max-width: 100%;
  width: 100%;
  overflow: hidden;
  border-radius: 32px;
}

.variant-b .b-detail-video-card .b-detail-video-placeholder,
.variant-b .b-detail-video-card .b-detail-video-player {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.variant-b .b-detail-video-card .b-detail-video-player {
  display: none;
}

.variant-b .b-detail-video-card.is-playing .b-detail-video-placeholder {
  display: none;
}

.variant-b .b-detail-video-card.is-playing .b-detail-video-player {
  display: block;
}

.variant-b .b-detail-video-player {
  background: #000;
}

.variant-b .b-detail-video-element {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.variant-b .b-detail-video-placeholder {
  position: relative;
  display: block;
  min-height: 0;
  padding: 28px;
  text-align: left;
}

.variant-b .b-detail-video-topbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: rgba(203, 213, 225, 0.68);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.variant-b .b-detail-video-cover-title {
  position: absolute;
  left: 28px;
  right: 28px;
  top: 52px;
  bottom: calc(50% + 56px);
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin: 0;
  padding: 0 16px 8px;
  color: #ffffff;
  font-size: clamp(18px, 2.4vw, 34px);
  line-height: 1.22;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
  pointer-events: none;
}

.variant-b .b-detail-play-button {
  position: absolute;
  left: 50%;
  top: 62%;
  z-index: 3;
  width: 86px;
  height: 86px;
  transform: translate(-50%, -50%);
  border: 0;
  border-radius: 999px;
  color: #020617;
  background: linear-gradient(135deg, #67e8f9, #a78bfa);
  box-shadow:
    0 0 48px rgba(34, 211, 238, 0.24),
    0 0 80px rgba(168, 85, 247, 0.16);
  cursor: pointer;
}

.variant-b .b-detail-play-button span {
  display: inline-block;
  margin-left: 4px;
  font-size: 30px;
}

.variant-b .b-detail-video-title strong {
  display: block;
  color: #ffffff;
  font-size: 30px;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-b .b-detail-video-title p {
  margin: 8px 0 0;
  color: rgba(203, 213, 225, 0.72);
  font-weight: 700;
}

.variant-b .b-detail-video-progress {
  position: relative;
  height: 6px;
  margin-top: 22px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.18);
}

.variant-b .b-detail-video-progress span {
  display: block;
  width: 34%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #67e8f9, #a78bfa);
}

.variant-b .b-detail-overview-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px 28px;
  border-radius: 30px;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  min-height: 100%;
}

.variant-b .b-detail-overview-card h3 {
  margin: 16px 0 0;
  color: #ffffff;
  font-size: 28px;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-b .b-detail-overview-lead {
  margin: 12px 0 0;
  color: rgba(203, 213, 225, 0.76);
  font-size: 15px;
  line-height: 1.65;
  font-weight: 600;
}

.variant-b .b-detail-info-grid {
  display: grid;
  gap: 0;
  margin-top: 16px;
}

.variant-b .b-detail-info-item {
  display: grid;
  grid-template-columns: 114px 1fr;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.variant-b .b-detail-info-item:last-child {
  border-bottom: 0;
}

.variant-b .b-detail-info-item span {
  color: rgba(148, 163, 184, 0.9);
  font-size: 17.16px;
  font-weight: 900;
}

.variant-b .b-detail-info-item strong {
  color: #fff;
  font-size: calc(19.8px * var(--detail-font-scale, 1));
  font-weight: 850;
  line-height: 1.5;
}

.variant-b .b-detail-overview-card .b-detail-info-grid {
  flex: 1;
}

.variant-b .b-detail-overview-card .b-detail-action-list {
  margin-top: 18px;
}

.variant-b .b-detail-info-label {
  color: #67e8f9;
  font-size: 15.84px;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.variant-b .b-detail-video-info h3 {
  margin: 16px 0 0;
  color: #ffffff;
  font-size: 28px;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-b .b-detail-video-info p {
  margin: 14px 0 0;
  color: rgba(203, 213, 225, 0.76);
  font-size: 15px;
  line-height: 1.65;
  font-weight: 600;
}

.variant-b .b-detail-action-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.variant-b .b-detail-action-list a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 10px;
  border-radius: 16px;
  color: rgba(226, 232, 240, 0.9);
  text-decoration: none;
  text-align: center;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.075);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.2;
}

.variant-b .b-detail-action-list a:hover {
  color: #67e8f9;
  border-color: rgba(34, 211, 238, 0.22);
  background: rgba(34, 211, 238, 0.08);
}

.variant-b .b-detail-ai-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.variant-b .b-detail-ai-card {
  min-height: 190px;
  padding: 24px;
  border-radius: 26px;
}

.variant-b .b-detail-ai-icon {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  color: #67e8f9;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.18);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.06em;
}

.variant-b .b-detail-ai-card h3 {
  margin: 18px 0 0;
  color: #ffffff;
  font-size: 21px;
  font-weight: 950;
  letter-spacing: -0.035em;
}

.variant-b .b-detail-ai-card p {
  margin: 10px 0 0;
  color: rgba(203, 213, 225, 0.74);
  font-size: 15px;
  line-height: 1.58;
  font-weight: 600;
}

.variant-b .b-detail-summary-panel {
  display: block;
  padding: 28px;
  border-radius: 28px;
}

.variant-b .b-detail-summary-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 20px;
}

.variant-b .b-detail-summary-tabs button {
  min-height: 40px;
  padding: 0 15px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.20);
  color: rgba(226, 232, 240, 0.72);
  background: rgba(255, 255, 255, 0.055);
  font-weight: 900;
  cursor: pointer;
}

.variant-b .b-detail-summary-tabs button.is-active {
  color: #67e8f9;
  border-color: rgba(34, 211, 238, 0.34);
  background: rgba(34, 211, 238, 0.10);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.12);
}

.variant-b .b-detail-tab-panel {
  display: none;
}

.variant-b .b-detail-tab-panel.is-active {
  display: block;
}

.variant-b .b-detail-tab-panel h3 {
  margin: 0;
  color: #ffffff;
  font-size: 28px;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-b .b-detail-tab-panel p,
.variant-b .b-detail-tab-panel li {
  color: rgba(226, 232, 240, 0.82);
  font-size: 17px;
  line-height: 1.85;
  font-weight: 600;
}

.variant-b .b-detail-tab-panel p {
  margin: 18px 0 0;
}

.variant-b .b-detail-tab-panel ul {
  margin: 18px 0 0;
  padding-left: 22px;
}

.variant-b .b-detail-tab-panel .markdown-body h1 {
  margin: 0;
  color: #ffffff;
  font-size: calc(clamp(24px, 2.8vw, 32px) * var(--detail-font-scale, 1));
  line-height: 1.28;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-b .b-detail-tab-panel .markdown-body h2 {
  margin: 1.25rem 0 0.5rem;
  color: #67e8f9;
  font-size: calc(clamp(18px, 2vw, 22px) * var(--detail-font-scale, 1));
  line-height: 1.35;
  font-weight: 950;
  letter-spacing: -0.02em;
}

.variant-b .b-detail-tab-panel .markdown-body h2:first-child {
  margin-top: 0;
}

.variant-b .b-detail-tab-panel .markdown-body h1 + h2 {
  margin-top: 0.75rem;
}

.variant-b .b-detail-tab-panel .markdown-body p,
.variant-b .b-detail-tab-panel .markdown-body li {
  color: rgba(226, 232, 240, 0.82);
  font-size: calc(16px * var(--detail-font-scale, 1));
  line-height: 1.85;
  font-weight: 600;
}

.variant-b .b-detail-tab-panel .markdown-body p {
  margin: 0.75rem 0 0;
}

.variant-b .b-detail-tab-panel .markdown-body p:first-child {
  margin-top: 0;
}

.variant-b .b-detail-tab-panel .markdown-body ul {
  margin: 0.75rem 0 0;
  padding-left: 22px;
}

.variant-b .b-detail-tab-panel .markdown-body li + li {
  margin-top: 0.35rem;
}

.variant-b .b-detail-tab-panel .markdown-body hr {
  margin: 1.5rem 0;
  border: 0;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
}

.variant-b .b-detail-tab-panel .markdown-body strong {
  color: #e2e8f0;
  font-weight: 850;
}

.variant-b .b-detail-points-heading {
  margin: 24px 0 0;
  color: #67e8f9;
  font-size: 18px;
  font-weight: 950;
  letter-spacing: -0.02em;
}

.variant-b .b-detail-points-list {
  margin: 14px 0 0;
  padding-left: 22px;
  color: rgba(226, 232, 240, 0.82);
  font-size: 16px;
  line-height: 1.85;
  font-weight: 600;
}

.variant-b .b-detail-points-card {
  padding: 24px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.variant-b .b-detail-points-card h3 {
  margin: 0;
  color: #67e8f9;
  font-size: 20px;
  font-weight: 950;
}

.variant-b .b-detail-points-card ol {
  margin: 18px 0 0;
  padding-left: 20px;
  color: rgba(226, 232, 240, 0.82);
  line-height: 1.8;
  font-weight: 600;
}

.variant-b .b-detail-cta {
  padding: 44px;
  border-radius: 36px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(34, 211, 238, 0.18), transparent 36%),
    rgba(15, 23, 42, 0.76);
}

.variant-b .b-detail-cta span {
  color: #67e8f9;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.14em;
}

.variant-b .b-detail-cta h2 {
  margin: 16px 0 0;
  color: #ffffff;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.14;
  font-weight: 950;
  letter-spacing: -0.055em;
}

.variant-b .b-detail-cta p {
  max-width: 720px;
  margin: 18px auto 0;
  color: rgba(203, 213, 225, 0.78);
  font-size: 17px;
  line-height: 1.7;
  font-weight: 600;
}

.variant-b .b-detail-cta-actions {
  justify-content: center;
}

.variant-b .b-detail-shorts-carousel {
  position: relative;
}

.variant-b .b-detail-shorts-nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 999px;
  color: rgba(226, 232, 240, 0.92);
  background: rgba(15, 23, 42, 0.92);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
  cursor: pointer;
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.variant-b .b-detail-shorts-nav span {
  display: block;
  margin-top: -2px;
  font-size: 24px;
  line-height: 1;
  font-weight: 700;
}

.variant-b .b-detail-shorts-nav:hover {
  color: #67e8f9;
  border-color: rgba(34, 211, 238, 0.34);
  background: rgba(15, 23, 42, 0.98);
}

.variant-b .b-detail-shorts-nav-prev {
  left: 0;
  transform: translate(-50%, -50%);
}

.variant-b .b-detail-shorts-nav-next {
  right: 0;
  transform: translate(50%, -50%);
}

.variant-b .b-detail-shorts-nav[hidden] {
  display: none;
}

.variant-b .b-detail-shorts-row {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  touch-action: pan-x;
  padding: 4px 2px 12px;
  scrollbar-width: none;
}

.variant-b .b-detail-shorts-row::-webkit-scrollbar {
  display: none;
}

.variant-b .b-detail-shorts-card {
  position: relative;
  flex: 0 0 min(260px, 72vw);
  width: min(260px, 72vw);
  aspect-ratio: 9 / 16;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: #000;
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
  cursor: pointer;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.variant-b .b-detail-shorts-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.28);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.30),
    0 0 34px rgba(34, 211, 238, 0.12);
}

.variant-b .b-detail-shorts-card:focus-visible {
  outline: 2px solid rgba(34, 211, 238, 0.5);
  outline-offset: 3px;
}

.variant-b .b-detail-shorts-media {
  position: absolute;
  inset: 0;
  background: #000;
}

.variant-b .b-detail-shorts-cover {
  position: absolute;
  inset: 0;
  display: block;
  overflow: hidden;
  background: #0f172a;
}

.variant-b .b-detail-shorts-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.variant-b .b-detail-shorts-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  display: inline-flex;
  height: 30px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: #67e8f9;
  background: rgba(34, 211, 238, 0.10);
  border: 1px solid rgba(34, 211, 238, 0.22);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.08em;
}

.variant-b .b-detail-shorts-play {
  position: static;
  transform: none;
  width: 58px;
  height: 58px;
  flex-shrink: 0;
  border: 0;
  border-radius: 999px;
  color: #020617;
  background: linear-gradient(135deg, #67e8f9, #a78bfa);
  box-shadow:
    0 0 32px rgba(34, 211, 238, 0.22),
    0 0 56px rgba(168, 85, 247, 0.14);
  cursor: pointer;
}

.variant-b .b-detail-shorts-play span {
  display: inline-block;
  margin-left: 3px;
  font-size: 22px;
}

.variant-b .b-detail-shorts-footer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 36px 14px 14px;
  background: linear-gradient(
    to top,
    rgba(2, 6, 23, 0.96) 0%,
    rgba(2, 6, 23, 0.78) 48%,
    rgba(2, 6, 23, 0.22) 78%,
    transparent 100%
  );
  pointer-events: none;
}

.variant-b .b-detail-shorts-play-wrap {
  flex-shrink: 0;
  margin-bottom: 0;
  pointer-events: auto;
}

.variant-b .b-detail-shorts-index {
  display: none;
}

.variant-b .b-detail-shorts-player {
  position: absolute;
  inset: 0;
  display: none;
  background: #000;
}

.variant-b .b-detail-shorts-card.is-playing .b-detail-shorts-cover {
  display: none;
}

.variant-b .b-detail-shorts-card.is-playing .b-detail-shorts-player {
  display: block;
}

.variant-b .b-detail-shorts-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.variant-b .b-detail-shorts-copy {
  width: 100%;
  min-width: 0;
  padding: 0;
  background: none;
  pointer-events: none;
}

.variant-b .b-detail-shorts-copy h3 {
  margin: 0;
  color: #ffffff;
  font-size: 21px;
  line-height: 1.3;
  min-height: calc(21px * 1.3 * 2);
  font-weight: 900;
  letter-spacing: -0.02em;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.variant-b .b-detail-shorts-copy p {
  margin: 8px 0 0;
  color: rgba(203, 213, 225, 0.88);
  font-size: 19.6px;
  line-height: 1.35;
  font-weight: 650;
}

.variant-b .b-detail-tools-section .b-detail-section-header {
  display: none;
}

.variant-b .b-detail-tools-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
}

.variant-b .b-detail-quiz-card,
.variant-b .b-detail-chatbot-card,
.variant-b .b-detail-related-card {
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.72);
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
}

.variant-b .b-detail-quiz-card,
.variant-b .b-detail-chatbot-card {
  min-height: 320px;
  padding: 28px;
  border-radius: 28px;
}

.variant-b .b-detail-tool-card-title {
  margin: 0 0 18px;
  color: #ffffff;
  font-size: 34px;
  line-height: 1.2;
  font-weight: 950;
  letter-spacing: -0.045em;
}

.variant-b .b-detail-tool-card-subtitle {
  margin: 0 0 24px;
  color: rgba(226, 232, 240, 0.82);
  font-size: 22px;
  line-height: 1.45;
  font-weight: 850;
  letter-spacing: -0.035em;
}

.variant-b .b-detail-quiz-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.variant-b .b-detail-quiz-head .b-detail-tool-card-title {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
}

.variant-b .b-detail-quiz-count {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  color: #67e8f9;
  background: rgba(34, 211, 238, 0.10);
  border: 1px solid rgba(34, 211, 238, 0.24);
  font-size: 14px;
  font-weight: 950;
  letter-spacing: 0.04em;
}

.variant-b .b-detail-quiz-question {
  margin: 0;
  color: rgba(226, 232, 240, 0.86);
  font-size: calc(18px * var(--detail-font-scale, 1));
  line-height: 1.65;
  font-weight: 700;
}

.variant-b .b-detail-quiz-options {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.variant-b .b-detail-quiz-options button,
.variant-b .b-detail-chat-suggestions button {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  color: rgba(226, 232, 240, 0.88);
  background: rgba(255, 255, 255, 0.055);
  font-size: 14px;
  font-weight: 850;
  cursor: pointer;
  text-align: left;
}

.variant-b .b-detail-quiz-options button:hover,
.variant-b .b-detail-chat-suggestions button:hover {
  color: #67e8f9;
  border-color: rgba(34, 211, 238, 0.25);
  background: rgba(34, 211, 238, 0.08);
}

.variant-b .b-detail-chat-preview {
  display: grid;
  gap: 14px;
  margin-top: 0;
}

.variant-b .b-detail-chat-bubble {
  max-width: 86%;
  padding: 14px 16px;
  border-radius: 18px;
  color: rgba(226, 232, 240, 0.88);
  font-size: calc(15px * var(--detail-font-scale, 1));
  line-height: 1.6;
  font-weight: 650;
}

.variant-b .b-detail-chat-bubble.user {
  justify-self: end;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.22);
}

.variant-b .b-detail-chat-bubble.bot {
  justify-self: start;
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid rgba(255, 255, 255, 0.085);
}

.variant-b .b-detail-chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.variant-b .b-detail-chat-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(148, 163, 184, 0.14);
}

.variant-b .b-detail-chat-input {
  flex: 1;
  min-width: 0;
  height: 52px;
  padding: 0 16px;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.055);
  font-size: 15px;
  font-weight: 700;
  outline: none;
}

.variant-b .b-detail-chat-input::placeholder {
  color: rgba(203, 213, 225, 0.52);
}

.variant-b .b-detail-chat-input:focus {
  border-color: rgba(34, 211, 238, 0.42);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.08);
}

.variant-b .b-detail-chat-send {
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 18px;
  color: #020617;
  background: linear-gradient(135deg, #67e8f9, #a78bfa);
  font-size: 22px;
  font-weight: 950;
  cursor: pointer;
  box-shadow: 0 14px 34px rgba(34, 211, 238, 0.16);
  transition: transform 0.18s ease;
}

.variant-b .b-detail-chat-send:hover {
  transform: translateY(-1px);
}

.variant-b .b-detail-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.variant-b .b-detail-related-card {
  min-height: 240px;
  padding: 28px;
  border-radius: 30px;
}

.variant-b .b-detail-related-card span {
  display: inline-flex;
  height: 30px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: #67e8f9;
  background: rgba(34, 211, 238, 0.10);
  border: 1px solid rgba(34, 211, 238, 0.20);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.08em;
}

.variant-b .b-detail-related-card h3 {
  margin: 22px 0 0;
  color: #ffffff;
  font-size: 24px;
  line-height: 1.3;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-b .b-detail-related-card p {
  margin: 12px 0 0;
  color: rgba(203, 213, 225, 0.74);
  font-size: 15px;
  line-height: 1.6;
  font-weight: 600;
}

.variant-b .b-detail-related-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  margin-top: 22px;
  padding: 0 16px;
  border-radius: 999px;
  color: #67e8f9;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.22);
  text-decoration: none;
  font-size: 14px;
  font-weight: 900;
}

.variant-b .b-detail-recent-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.variant-b .b-detail-recent-card {
  padding: 24px;
  border-radius: 26px;
}

.variant-b .b-detail-recent-card h3 {
  margin: 0;
  color: #ffffff;
  font-size: 22px;
  line-height: 1.3;
  font-weight: 950;
  letter-spacing: -0.035em;
}

.variant-b .b-detail-recent-meta {
  margin: 10px 0 0;
  color: rgba(148, 163, 184, 0.88);
  font-size: 14px;
  font-weight: 700;
}

.variant-b .b-detail-recent-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  margin-top: 18px;
  padding: 0 16px;
  border-radius: 999px;
  color: #67e8f9;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.22);
  text-decoration: none;
  font-size: 14px;
  font-weight: 900;
}

.variant-b .b-detail-share-panel {
  padding: 36px 28px;
  border-radius: 28px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(34, 211, 238, 0.14), transparent 38%),
    rgba(15, 23, 42, 0.76);
}

.variant-b .b-detail-share-panel h2 {
  margin: 14px 0 0;
  color: #ffffff;
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.2;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-b .b-detail-share-panel p {
  max-width: 640px;
  margin: 14px auto 0;
  color: rgba(203, 213, 225, 0.78);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 600;
}

.variant-b .b-detail-share-section {
  padding-bottom: 64px;
}

.variant-b .b-detail-share-panel .b-detail-cta-actions {
  margin-top: 24px;
}

.variant-b .b-detail-share-panel .b-detail-primary-btn {
  border: 0;
  cursor: pointer;
}

@media (max-width: 1100px) {
  .variant-b .b-detail-hero-grid,
  .variant-b .b-detail-video-layout,
  .variant-b .b-detail-summary-panel {
    grid-template-columns: 1fr;
  }

  .variant-b .b-detail-ai-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .variant-b .b-detail-hero-card {
    max-width: 560px;
  }

  .variant-b .b-detail-related-grid,
  .variant-b .b-detail-recent-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .variant-b .b-detail-container,
  .variant-b .b-detail-header-inner {
    width: min(100% - 36px, 1180px);
  }

  .variant-b .b-detail-header-inner {
    min-height: 66px;
  }

  .variant-b .b-detail-brand-text,
  .variant-b .b-detail-header-link {
    display: none;
  }

  .variant-b .b-detail-hero {
    padding: 72px 0 62px;
  }

  .variant-b .b-detail-hero-copy h1 {
    font-size: 42px;
    line-height: 1.12;
  }

  .variant-b .b-detail-hero-copy p {
    font-size: 16px;
  }

  .variant-b .b-detail-hero-card {
    padding: 26px;
    border-radius: 28px;
  }

  .variant-b .b-detail-hero-card strong {
    font-size: 32px;
  }

  .variant-b .b-detail-section {
    padding: 28px 0;
  }

  .variant-b .b-detail-watch-section {
    padding: 32px 0 28px;
  }

  .variant-b .b-detail-video-placeholder {
    padding: 20px;
  }

  .variant-b .b-detail-video-cover-title {
    left: 20px;
    right: 20px;
    top: 44px;
    bottom: calc(50% + 52px);
    font-size: clamp(14px, 4.2vw, 22px);
    letter-spacing: 0.06em;
    line-height: 1.28;
  }

  .variant-b .b-detail-play-button {
    top: 66%;
    width: 72px;
    height: 72px;
  }

  .variant-b .b-detail-section-header h2 {
    font-size: 28px;
  }

  .variant-b .b-detail-section-header--row {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  .variant-b .b-detail-section-header-tools {
    justify-content: flex-end;
    padding-bottom: 0;
  }

  .variant-b .b-detail-lang-switch button {
    width: 36px;
    height: 36px;
    min-width: 36px;
  }

  .variant-b .b-detail-lang-switch .cbmc-detail-lang-flag {
    width: 24px;
    height: 24px;
  }

  .variant-b .b-detail-ai-grid {
    grid-template-columns: 1fr;
  }

  .variant-b .b-detail-ai-card {
    min-height: 0;
  }

  .variant-b .b-detail-summary-panel {
    padding: 24px;
    border-radius: 28px;
  }

  .variant-b .b-detail-summary-main h2 {
    font-size: 32px;
  }

  .variant-b .b-detail-cta {
    padding: 32px 22px;
    border-radius: 28px;
  }

  .variant-b .b-detail-tools-grid,
  .variant-b .b-detail-related-grid,
  .variant-b .b-detail-recent-grid {
    grid-template-columns: 1fr;
  }

  .variant-b .b-detail-shorts-nav-prev {
    left: 8px;
    transform: translate(0, -50%);
  }

  .variant-b .b-detail-shorts-nav-next {
    right: 8px;
    transform: translate(0, -50%);
  }

  .variant-b .b-detail-shorts-index {
    font-size: 52px;
  }

  .variant-b .b-detail-quiz-card,
  .variant-b .b-detail-chatbot-card {
    min-height: 0;
    padding: 24px;
    border-radius: 28px;
  }

  .variant-b .b-detail-tool-card-title {
    font-size: 28px;
  }

  .variant-b .b-detail-tool-card-subtitle {
    font-size: 19px;
  }

  .variant-b .b-detail-quiz-head {
    flex-direction: column;
  }

  .variant-b .b-detail-chat-input-row {
    gap: 8px;
  }

  .variant-b .b-detail-chat-input {
    height: 48px;
    font-size: 14px;
  }

  .variant-b .b-detail-chat-send {
    width: 48px;
    height: 48px;
  }

  .variant-b .b-detail-quiz-question {
    font-size: 16px;
  }

  .variant-b .b-detail-related-card {
    min-height: 0;
    padding: 24px;
    border-radius: 26px;
  }

  .variant-b .b-detail-recent-card {
    padding: 22px;
    border-radius: 24px;
  }

  .variant-b .b-detail-share-panel {
    padding: 28px 22px;
    border-radius: 24px;
  }

  .variant-b .b-detail-share-section {
    padding-bottom: 32px;
  }

  .variant-b .b-detail-share-popover {
    width: 228px;
    padding: 10px 8px 8px;
  }

  .variant-b .b-detail-share-option-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
  }

  .variant-b .b-detail-share-option-icon svg {
    width: 20px;
    height: 20px;
  }

  .variant-b .b-detail-share-option-label {
    font-size: 9px;
  }
}


/* ============================================================
   A Detail Page (detail-a.html) — light conference style
   ============================================================ */

/* ── Featured sessions (A detail — light theme) ── */
.variant-a .a-detail-featured-section {
  position: relative;
  color: #0f172a;
  padding: 1.4rem 0;
  background: linear-gradient(180deg, #f8fafc 0%, #eef6ff 48%, #f0fdfa 100%);
}

@media (min-width: 1024px) {
  .variant-a .a-detail-featured-section {
    padding: 2.24rem 0;
  }
}

.variant-a .a-detail-featured-container {
  position: relative;
  z-index: 10;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .variant-a .a-detail-featured-container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .variant-a .a-detail-featured-container {
    padding: 0 2rem;
  }
}

.variant-a .a-detail-featured-header {
  margin-bottom: 1.12rem;
}

@media (min-width: 1024px) {
  .variant-a .a-detail-featured-header {
    margin-bottom: 1.4rem;
  }
}

.variant-a .a-detail-featured-section::before {
  display: none;
}

.variant-a .a-detail-featured-section-pattern {
  display: none;
}

.variant-a .a-detail-featured-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.56rem;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #0d9488;
}

.variant-a .a-detail-featured-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 9999px;
  background: #14b8a6;
  box-shadow: 0 0 8px rgba(20, 184, 166, 0.35);
}

.variant-a .a-detail-featured-title {
  margin: 0;
  font-size: 1.875rem;
  font-weight: 700;
  color: #0f172a;
}

@media (min-width: 1024px) {
  .variant-a .a-detail-featured-title {
    font-size: 2.25rem;
  }
}

.variant-a .a-detail-featured-desc {
  max-width: 42rem;
  margin: 0.52rem 0 0;
  font-size: 0.875rem;
  line-height: 1.625;
  color: #94a3b8;
}

.variant-a .a-detail-featured-tabs {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.12rem;
  margin-bottom: 1.12rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: none;
}

.variant-a .a-detail-featured-tabs::-webkit-scrollbar {
  display: none;
}

@media (min-width: 1024px) {
  .variant-a .a-detail-featured-tabs {
    margin-top: 1.4rem;
    margin-bottom: 1.4rem;
  }
}

.variant-a .a-detail-featured-tab {
  flex-shrink: 0;
  border-radius: 9999px;
  border: 1px solid #e2e8f0;
  background: rgba(255, 255, 255, 0.96);
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #475569;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

@media (min-width: 640px) {
  .variant-a .a-detail-featured-tab {
    font-size: 0.875rem;
  }
}

.variant-a .a-detail-featured-tab.is-active {
  border-color: rgba(13, 148, 136, 0.28);
  background: rgba(13, 148, 136, 0.08);
  color: #0d9488;
  box-shadow: none;
}

.variant-a .a-detail-featured-carousel-shell {
  position: relative;
  margin-top: 0;
}

.variant-a .a-detail-featured-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.5rem 0 0.75rem;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

@media (min-width: 768px) {
  .variant-a .a-detail-featured-track {
    gap: 1.25rem;
  }
}

.variant-a .a-detail-featured-track::-webkit-scrollbar {
  display: none;
}

.variant-a .a-detail-featured-card {
  display: flex;
  flex-direction: column;
  flex: 0 0 var(--featured-card-width, 82vw);
  width: var(--featured-card-width, 82vw);
  min-width: 0;
  min-height: 100%;
  scroll-snap-align: start;
  position: relative;
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(255, 255, 255, 0.96);
  padding: 1rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

@media (min-width: 768px) {
  .variant-a .a-detail-featured-card {
    padding: 1.125rem;
  }
}

.variant-a .a-detail-featured-card:hover {
  transform: translateY(-2px);
  border-color: rgba(13, 148, 136, 0.24);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.variant-a .a-detail-featured-card-cyan,
.variant-a .a-detail-featured-card-teal {
  border-color: rgba(45, 212, 191, 0.22);
}

.variant-a .a-detail-featured-card-blue {
  border-color: rgba(96, 165, 250, 0.22);
}

.variant-a .a-detail-featured-card-violet {
  border-color: rgba(167, 139, 250, 0.22);
}

.variant-a .a-detail-featured-card-badge {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #0d9488;
}

.variant-a .a-detail-featured-card-cyan .a-detail-featured-card-badge,
.variant-a .a-detail-featured-card-teal .a-detail-featured-card-badge {
  color: #0f766e;
}

.variant-a .a-detail-featured-card-blue .a-detail-featured-card-badge {
  color: #2563eb;
}

.variant-a .a-detail-featured-card-violet .a-detail-featured-card-badge {
  color: #7c3aed;
}

.variant-a .a-detail-featured-card-title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: #0f172a;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  min-height: calc(1.4em * 2);
}

.variant-a .a-detail-featured-meta {
  margin-top: 0.875rem;
}

.variant-a .a-detail-featured-card-time {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.3;
  color: #0d9488;
}

.variant-a .a-detail-featured-card-time svg,
.variant-a .a-detail-featured-card-time .program-time-icon {
  width: 1rem;
  height: 1rem;
  flex: 0 0 1rem;
}

.variant-a .a-detail-featured-speaker {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.variant-a .a-detail-featured-speaker-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.variant-a .a-detail-featured-card-avatar {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 9999px;
  object-fit: cover;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: #f8fafc;
  flex-shrink: 0;
}

.variant-a .a-detail-featured-card-speaker {
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.45;
  color: #64748b;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.variant-a .a-detail-featured-card-actions {
  margin-top: auto;
  padding-top: 0.875rem;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.variant-a .a-detail-featured-card-actions .program-action,
.variant-a .a-detail-featured-card-actions .resource-badge-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  height: 2rem;
  padding: 0 0.75rem;
  border-radius: 9999px;
  border: 1px solid transparent;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.variant-a .a-detail-featured-card-actions .program-action-icon,
.variant-a .a-detail-featured-card-actions .resource-badge-icon {
  width: 0.875rem;
  height: 0.875rem;
  flex-shrink: 0;
}

.variant-a .a-detail-featured-card-actions .program-action.replay {
  color: #0f766e;
  background: #f0fdfa;
  border-color: rgba(13, 148, 136, 0.18);
}

.variant-a .a-detail-featured-card-actions .program-action.replay:hover {
  background: #ccfbf1;
  border-color: rgba(13, 148, 136, 0.28);
}

.variant-a .a-detail-featured-card-actions .program-action.summary {
  color: #6d28d9;
  background: #faf5ff;
  border-color: rgba(124, 58, 237, 0.18);
}

.variant-a .a-detail-featured-card-actions .program-action.summary:hover {
  background: #f3e8ff;
  border-color: rgba(124, 58, 237, 0.28);
}

.variant-a .a-detail-featured-card-actions .resource-badge-dark.pdf {
  color: #dc2626;
  background: #fef2f2;
  border-color: rgba(239, 68, 68, 0.18);
}

.variant-a .a-detail-featured-card-actions .resource-badge-dark.pdf:hover {
  background: #fee2e2;
  border-color: rgba(239, 68, 68, 0.28);
}

.variant-a .a-detail-featured-card-actions .resource-badge-dark.ppt {
  color: #ea580c;
  background: #fff7ed;
  border-color: rgba(249, 115, 22, 0.18);
}

.variant-a .a-detail-featured-card-actions .resource-badge-dark.doc {
  color: #2563eb;
  background: #eff6ff;
  border-color: rgba(37, 99, 235, 0.18);
}

.variant-a .a-detail-featured-nav {
  position: absolute;
  top: 50%;
  z-index: 30;
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  background: rgba(255, 255, 255, 0.96);
  color: #475569;
  cursor: pointer;
  transform: translateY(-50%);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(8px);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.variant-a .a-detail-featured-nav svg {
  width: 1.25rem;
  height: 1.25rem;
}

.variant-a .a-detail-featured-nav:hover {
  color: #0d9488;
  border-color: rgba(13, 148, 136, 0.32);
  background: rgba(236, 253, 250, 0.98);
  box-shadow: 0 12px 28px rgba(13, 148, 136, 0.12);
}

.variant-a .a-detail-featured-nav[hidden] {
  display: none !important;
}

@media (min-width: 768px) {
  .variant-a .a-detail-featured-nav:not([hidden]) {
    display: flex;
  }

  .variant-a .a-detail-featured-nav-prev {
    left: -0.75rem;
  }

  .variant-a .a-detail-featured-nav-next {
    right: -0.75rem;
  }
}

@media (min-width: 1024px) {
  .variant-a .a-detail-featured-nav-prev {
    left: -1.25rem;
  }

  .variant-a .a-detail-featured-nav-next {
    right: -1.25rem;
  }
}


/* ── A detail page (a-detail- prefix) ── */

.variant-a .a-detail-page {
  --detail-font-scale: 1;
  min-height: 100vh;
  color: #0f172a;
  background:
    radial-gradient(circle at 12% -8%, rgba(45, 212, 191, 0.14), transparent 34%),
    radial-gradient(circle at 88% 0%, rgba(59, 130, 246, 0.1), transparent 32%),
    linear-gradient(180deg, #f8fafc 0%, #eef6ff 48%, #f0fdfa 100%);
}

.variant-a .a-detail-page[data-detail-font-size='small'] {
  --detail-font-scale: 0.92;
}

.variant-a .a-detail-page[data-detail-font-size='large'] {
  --detail-font-scale: 1.1;
}

.variant-a .a-detail-container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.variant-a .a-detail-header {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(2, 6, 23, 0.78);
  backdrop-filter: blur(18px);
}

.variant-a .a-detail-header-inner {
  width: min(1180px, calc(100% - 48px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.variant-a .a-detail-back,
.variant-a .a-detail-header-link {
  color: rgba(51, 65, 85, 0.78);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: color 180ms ease;
}

.variant-a .a-detail-back:hover,
.variant-a .a-detail-header-link:hover {
  color: #0d9488;
}

.variant-a .a-detail-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #0f172a;
  font-weight: 950;
  letter-spacing: -0.02em;
}

.variant-a .a-detail-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 13px;
  color: #020617;
  background: linear-gradient(135deg, #67e8f9, #a78bfa);
  font-size: 13px;
  font-weight: 950;
}

.variant-a .a-detail-header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.variant-a .a-detail-share-button {
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border: 0;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.22);
  height: 38px;
  padding: 0 16px;
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: 999px;
  color: #0d9488;
  background: rgba(13, 148, 136, 0.08);
  font-weight: 900;
  cursor: pointer;
}

.variant-a .a-detail-share-anchor {
  position: relative;
}

.variant-a .a-detail-share-popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 120;
  width: 252px;
  padding: 12px 10px 10px;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.98), rgba(2, 6, 23, 0.98));
  box-shadow:
    0 18px 48px rgba(0, 0, 0, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.variant-a .a-detail-share-popover[hidden] {
  display: none;
}

.variant-a .a-detail-share-popover-title {
  margin: 0 0 10px;
  padding: 0 4px;
  color: rgba(51, 65, 85, 0.88);
  font-size: 12px;
  line-height: 1.3;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.variant-a .a-detail-share-popover-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px 6px;
}

.variant-a .a-detail-share-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.variant-a .a-detail-share-option-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.variant-a .a-detail-share-option-icon svg {
  width: 22px;
  height: 22px;
}

.variant-a .a-detail-share-option:hover .a-detail-share-option-icon {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.2);
}

.variant-a .a-detail-share-option-label {
  color: rgba(51, 65, 85, 0.82);
  font-size: 10px;
  line-height: 1.25;
  font-weight: 750;
  text-align: center;
  word-break: keep-all;
}

.variant-a .a-detail-share-option--kakao .a-detail-share-option-icon {
  background: #fee500;
}

.variant-a .a-detail-share-option--facebook .a-detail-share-option-icon {
  background: #1877f2;
}

.variant-a .a-detail-share-option--x .a-detail-share-option-icon {
  background: #000000;
}

.variant-a .a-detail-share-option--neutral .a-detail-share-option-icon {
  color: #0f172a;
  background: rgba(241, 245, 249, 0.92);
}

.variant-a .a-detail-hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 88px;
}

.variant-a .a-detail-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.variant-a .a-detail-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(42px);
  opacity: 0.7;
}

.variant-a .a-detail-orb-1 {
  width: 320px;
  height: 320px;
  left: -90px;
  top: 80px;
  background: rgba(13, 148, 136, 0.18);
}

.variant-a .a-detail-orb-2 {
  width: 340px;
  height: 340px;
  right: -90px;
  top: 120px;
  background: rgba(168, 85, 247, 0.16);
}

.variant-a .a-detail-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 86%);
}

.variant-a .a-detail-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 48px;
  align-items: center;
}

.variant-a .a-detail-eyebrow,
.variant-a .a-detail-section-kicker {
  color: #0d9488;
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  border: 1px solid rgba(34, 211, 238, 0.26);
  border-radius: 999px;
  color: #0d9488;
  background: rgba(13, 148, 136, 0.08);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.variant-a .a-detail-hero-copy h1 {
  margin: 24px 0 0;
  color: #0f172a;
  font-size: clamp(46px, 5.4vw, 84px);
  line-height: 1.08;
  font-weight: 950;
  letter-spacing: -0.065em;
}

.variant-a .a-detail-hero-copy p {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(71, 85, 105, 0.82);
  font-size: 18px;
  line-height: 1.75;
  font-weight: 600;
}

.variant-a .a-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.variant-a .a-detail-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  color: rgba(51, 65, 85, 0.86);
  background: rgba(15, 23, 42, 0.76);
  border: 1px solid rgba(148, 163, 184, 0.18);
  font-size: 14px;
  font-weight: 800;
}

.variant-a .a-detail-hero-actions,
.variant-a .a-detail-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.variant-a .a-detail-primary-btn,
.variant-a .a-detail-secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 950;
  text-decoration: none;
  cursor: pointer;
}

.variant-a .a-detail-primary-btn {
  color: #020617;
  background: linear-gradient(135deg, #67e8f9, #a78bfa);
  border: 0;
  box-shadow: 0 18px 42px rgba(34, 211, 238, 0.18);
}

.variant-a .a-detail-secondary-btn {
  color: #e5eefb;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(148, 163, 184, 0.24);
}

.variant-a .a-detail-hero-card {
  position: relative;
  overflow: hidden;
  padding: 32px;
  border-radius: 34px;
  border: 1px solid rgba(148, 163, 184, 0.20);
  background:
    radial-gradient(circle at 20% 0%, rgba(34, 211, 238, 0.16), transparent 34%),
    rgba(15, 23, 42, 0.78);
  box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.variant-a .a-detail-card-kicker {
  color: #0d9488;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.variant-a .a-detail-hero-card strong {
  display: block;
  margin-top: 18px;
  color: #0f172a;
  font-size: 38px;
  line-height: 1.15;
  font-weight: 950;
  letter-spacing: -0.05em;
}

.variant-a .a-detail-hero-card p {
  margin: 14px 0 0;
  color: rgba(71, 85, 105, 0.78);
  font-size: 15px;
  line-height: 1.6;
}

.variant-a .a-detail-hero-card-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.variant-a .a-detail-hero-card-list span {
  padding: 8px 11px;
  border-radius: 999px;
  color: rgba(51, 65, 85, 0.9);
  background: rgba(248, 250, 252, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  font-weight: 800;
}

.variant-a .a-detail-section {
  padding: 36px 0;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.variant-a .a-detail-main {
  position: relative;
}

.variant-a .a-detail-watch-section {
  padding: 40px 0 36px;
  border-top: 0;
}

.variant-a .a-detail-section-header {
  max-width: 760px;
  margin-bottom: 18px;
}

.variant-a .a-detail-section-header--row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  max-width: none;
  width: 100%;
}

.variant-a .a-detail-section-header-main {
  min-width: 0;
  flex: 1;
}

.variant-a .a-detail-section-header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  padding-bottom: 2px;
}

.variant-a .a-detail-lang-switch,
.variant-a .a-detail-font-size-controls {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.variant-a .a-detail-lang-switch button,
.variant-a .a-detail-font-size-btn {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(71, 85, 105, 0.72);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.variant-a .a-detail-lang-switch button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  padding: 0;
  border-radius: 50%;
}

.variant-a .a-detail-lang-switch button.is-active,
.variant-a .a-detail-lang-switch button[aria-pressed='true'] {
  color: #0d9488;
  background: rgba(13, 148, 136, 0.12);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.08);
}

.variant-a .a-detail-font-size-btn {
  min-width: 35px;
  height: 40px;
  padding: 0 6px;
  font-size: 17.16px;
  font-weight: 700;
  line-height: 1;
}

.variant-a .a-detail-font-size-btn.is-reset {
  min-width: 31px;
  font-size: 14.52px;
  font-weight: 900;
}

.variant-a .a-detail-font-size-btn:hover,
.variant-a .a-detail-lang-switch button:hover {
  color: #0d9488;
  background: rgba(13, 148, 136, 0.08);
}

.variant-a .a-detail-lang-switch button[data-detail-lang-pending] {
  opacity: 0.42;
  cursor: not-allowed;
}

.variant-a .a-detail-lang-switch button[data-detail-lang-pending]:hover {
  color: rgba(51, 65, 85, 0.72);
  background: rgba(15, 23, 42, 0.42);
}

.variant-a .a-detail-page[data-detail-lang='en'] .a-detail-info-item strong,
.variant-a .a-detail-page[data-detail-lang='en'] .a-detail-markdown-body,
.variant-a .a-detail-page[data-detail-lang='jn'] .a-detail-info-item strong,
.variant-a .a-detail-page[data-detail-lang='jn'] .a-detail-markdown-body,
.variant-a .a-detail-page[data-detail-lang='cn'] .a-detail-info-item strong,
.variant-a .a-detail-page[data-detail-lang='cn'] .a-detail-markdown-body {
  word-break: break-word;
}

.variant-a .a-detail-font-size-btn[aria-pressed='true'] {
  color: #0d9488;
}

.variant-a .a-detail-font-size-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.variant-a .a-detail-section-header h2 {
  margin: 14px 0 0;
  color: #0f172a;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.18;
  font-weight: 950;
  letter-spacing: -0.045em;
}

.variant-a .a-detail-section-header p {
  margin: 12px 0 0;
  color: rgba(71, 85, 105, 0.78);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 600;
}

.variant-a .a-detail-video-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 380px);
  gap: 24px;
  align-items: start;
}

.variant-a .a-detail-video-card,
.variant-a .a-detail-overview-card,
.variant-a .a-detail-video-info,
.variant-a .a-detail-ai-card,
.variant-a .a-detail-summary-panel,
.variant-a .a-detail-main .a-detail-featured-section {
  margin-top: 0;
}

.variant-a .a-detail-share-panel,
.variant-a .a-detail-overview-card,
.variant-a .a-detail-recent-card,
.variant-a .a-detail-cta {
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
}

.variant-a .a-detail-video-card {
  position: relative;
  aspect-ratio: 16 / 9;
  min-width: 0;
  min-height: 0;
  max-width: 100%;
  width: 100%;
  overflow: hidden;
  border-radius: 32px;
}

.variant-a .a-detail-video-card .a-detail-video-placeholder,
.variant-a .a-detail-video-card .a-detail-video-player {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.variant-a .a-detail-video-card .a-detail-video-player {
  display: none;
}

.variant-a .a-detail-video-card.is-playing .a-detail-video-placeholder {
  display: none;
}

.variant-a .a-detail-video-card.is-playing .a-detail-video-player {
  display: block;
}

.variant-a .a-detail-video-player {
  background: #000;
}

.variant-a .a-detail-video-element {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.variant-a .a-detail-video-placeholder {
  position: relative;
  display: block;
  min-height: 0;
  padding: 28px;
  text-align: left;
}

.variant-a .a-detail-video-topbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: rgba(71, 85, 105, 0.68);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.variant-a .a-detail-video-cover-title {
  position: absolute;
  left: 28px;
  right: 28px;
  top: 52px;
  bottom: calc(50% + 56px);
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin: 0;
  padding: 0 16px 8px;
  color: #ffffff;
  font-size: clamp(18px, 2.4vw, 34px);
  line-height: 1.22;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
  pointer-events: none;
}

.variant-a .a-detail-play-button {
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #0d9488);
  position: absolute;
  left: 50%;
  top: 62%;
  z-index: 3;
  width: 86px;
  height: 86px;
  transform: translate(-50%, -50%);
  border: 0;
  border-radius: 999px;
  color: #020617;
  background: linear-gradient(135deg, #67e8f9, #a78bfa);
  box-shadow:
    0 0 48px rgba(34, 211, 238, 0.24),
    0 0 80px rgba(168, 85, 247, 0.16);
  cursor: pointer;
}

.variant-a .a-detail-play-button span {
  display: inline-block;
  margin-left: 4px;
  font-size: 30px;
}

.variant-a .a-detail-video-title strong {
  display: block;
  color: #0f172a;
  font-size: 30px;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-a .a-detail-video-title p {
  margin: 8px 0 0;
  color: rgba(71, 85, 105, 0.72);
  font-weight: 700;
}

.variant-a .a-detail-video-progress {
  position: relative;
  height: 6px;
  margin-top: 22px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.18);
}

.variant-a .a-detail-video-progress span {
  display: block;
  width: 34%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #67e8f9, #a78bfa);
}

.variant-a .a-detail-overview-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  padding: 19px 22px;
  border-radius: 30px;
  min-height: 100%;
}

.variant-a .a-detail-overview-card h3 {
  margin: 16px 0 0;
  color: #0f172a;
  font-size: 22.4px;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-a .a-detail-overview-lead {
  margin: 12px 0 0;
  color: rgba(71, 85, 105, 0.76);
  font-size: 15px;
  line-height: 1.65;
  font-weight: 600;
}

.variant-a .a-detail-info-grid {
  display: grid;
  gap: 0;
  margin-top: 16px;
}

.variant-a .a-detail-info-item {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.variant-a .a-detail-info-item:last-child {
  border-bottom: 0;
}

.variant-a .a-detail-info-item span {
  color: rgba(148, 163, 184, 0.9);
  font-size: 13.73px;
  font-weight: 900;
}

.variant-a .a-detail-info-item strong {
  color: #0f172a;
  font-size: calc(15.84px * var(--detail-font-scale, 1));
  font-weight: 850;
  line-height: 1.5;
}

.variant-a .a-detail-overview-card .a-detail-info-grid {
  flex: 1;
}

.variant-a .a-detail-overview-card .a-detail-info-label,
.variant-a .a-detail-overview-card .a-detail-info-item span,
.variant-a .a-detail-overview-card .a-detail-info-item strong {
  font-size: calc(15.84px * var(--detail-font-scale, 1));
  line-height: 1.45;
}

.variant-a .a-detail-overview-card .a-detail-info-label {
  display: block;
  margin-bottom: 2px;
  color: #0d9488;
  font-weight: 800;
  letter-spacing: 0;
}

.variant-a .a-detail-overview-card .a-detail-info-item {
  grid-template-columns: max-content 1fr;
  column-gap: 16px;
}

.variant-a .a-detail-overview-card .a-detail-info-item span {
  color: #64748b;
  font-weight: 700;
}

.variant-a .a-detail-overview-card .a-detail-info-item strong {
  color: #0f172a;
  font-weight: 800;
}

.variant-a .a-detail-overview-card .a-detail-action-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 8px;
  margin-top: 14px;
}

.variant-a .a-detail-overview-card .a-detail-action-list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  height: auto;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-size: calc(15.84px * var(--detail-font-scale, 1));
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  white-space: normal;
  text-align: center;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.variant-a .a-detail-overview-card .a-detail-action-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.variant-a .a-detail-overview-card .a-detail-action-btn-shorts {
  color: #0f766e;
  background: #f0fdfa;
  border-color: rgba(13, 148, 136, 0.2);
}

.variant-a .a-detail-overview-card .a-detail-action-btn-shorts:hover {
  background: #ccfbf1;
  border-color: rgba(13, 148, 136, 0.32);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.12);
}

.variant-a .a-detail-overview-card .a-detail-action-btn-summary {
  color: #6d28d9;
  background: #faf5ff;
  border-color: rgba(124, 58, 237, 0.2);
}

.variant-a .a-detail-overview-card .a-detail-action-btn-summary:hover {
  background: #f3e8ff;
  border-color: rgba(124, 58, 237, 0.32);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.12);
}

.variant-a .a-detail-overview-card .a-detail-action-btn-quiz {
  color: #2563eb;
  background: #eff6ff;
  border-color: rgba(37, 99, 235, 0.2);
}

.variant-a .a-detail-overview-card .a-detail-action-btn-quiz:hover {
  background: #dbeafe;
  border-color: rgba(37, 99, 235, 0.32);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.12);
}

.variant-a .a-detail-overview-card .a-detail-action-btn-chatbot {
  color: #4338ca;
  background: #eef2ff;
  border-color: rgba(67, 56, 202, 0.2);
}

.variant-a .a-detail-overview-card .a-detail-action-btn-chatbot:hover {
  background: #e0e7ff;
  border-color: rgba(67, 56, 202, 0.32);
  box-shadow: 0 4px 12px rgba(67, 56, 202, 0.12);
}

.variant-a .a-detail-info-label {
  color: #0d9488;
  font-size: 12.67px;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.variant-a .a-detail-video-info h3 {
  margin: 16px 0 0;
  color: #0f172a;
  font-size: 28px;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-a .a-detail-video-info p {
  margin: 14px 0 0;
  color: rgba(71, 85, 105, 0.76);
  font-size: 15px;
  line-height: 1.65;
  font-weight: 600;
}

.variant-a .a-detail-action-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.variant-a .a-detail-action-list a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 10px;
  border-radius: 16px;
  color: rgba(51, 65, 85, 0.9);
  text-decoration: none;
  text-align: center;
  background: rgba(248, 250, 252, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.075);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.2;
}

.variant-a .a-detail-action-list a:hover {
  color: #0d9488;
  border-color: rgba(13, 148, 136, 0.22);
  background: rgba(13, 148, 136, 0.08);
}

.variant-a .a-detail-ai-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.variant-a .a-detail-ai-card {
  min-height: 190px;
  padding: 24px;
  border-radius: 26px;
}

.variant-a .a-detail-ai-icon {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  color: #0d9488;
  background: rgba(13, 148, 136, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.18);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.06em;
}

.variant-a .a-detail-ai-card h3 {
  margin: 18px 0 0;
  color: #0f172a;
  font-size: 21px;
  font-weight: 950;
  letter-spacing: -0.035em;
}

.variant-a .a-detail-ai-card p {
  margin: 10px 0 0;
  color: rgba(71, 85, 105, 0.74);
  font-size: 15px;
  line-height: 1.58;
  font-weight: 600;
}

.variant-a .a-detail-summary-panel {
  display: block;
  padding: 28px;
  border-radius: 28px;
}

.variant-a .a-detail-summary-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 20px;
}

.variant-a .a-detail-summary-tabs button {
  min-height: 40px;
  padding: 0 15px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.20);
  color: rgba(51, 65, 85, 0.72);
  background: rgba(248, 250, 252, 0.96);
  font-weight: 900;
  cursor: pointer;
}

.variant-a .a-detail-summary-tabs button.is-active {
  color: #0d9488;
  border-color: rgba(13, 148, 136, 0.34);
  background: rgba(13, 148, 136, 0.10);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.12);
}

.variant-a .a-detail-tab-panel {
  display: none;
}

.variant-a .a-detail-tab-panel.is-active {
  display: block;
}

.variant-a .a-detail-tab-panel h3 {
  margin: 0;
  color: #0f172a;
  font-size: 28px;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-a .a-detail-tab-panel p,
.variant-a .a-detail-tab-panel li {
  color: rgba(51, 65, 85, 0.82);
  font-size: 17px;
  line-height: 1.85;
  font-weight: 600;
}

.variant-a .a-detail-tab-panel p {
  margin: 18px 0 0;
}

.variant-a .a-detail-tab-panel ul {
  margin: 18px 0 0;
  padding-left: 22px;
}

.variant-a .a-detail-tab-panel .markdown-body h1 {
  margin: 0;
  color: #0f172a;
  font-size: calc(clamp(24px, 2.8vw, 32px) * var(--detail-font-scale, 1));
  line-height: 1.28;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-a .a-detail-tab-panel .markdown-body h2 {
  margin: 1.25rem 0 0.5rem;
  color: #0d9488;
  font-size: calc(clamp(18px, 2vw, 22px) * var(--detail-font-scale, 1));
  line-height: 1.35;
  font-weight: 950;
  letter-spacing: -0.02em;
}

.variant-a .a-detail-tab-panel .markdown-body h2:first-child {
  margin-top: 0;
}

.variant-a .a-detail-tab-panel .markdown-body h1 + h2 {
  margin-top: 0.75rem;
}

.variant-a .a-detail-tab-panel .markdown-body p,
.variant-a .a-detail-tab-panel .markdown-body li {
  color: rgba(51, 65, 85, 0.82);
  font-size: calc(16px * var(--detail-font-scale, 1));
  line-height: 1.85;
  font-weight: 600;
}

.variant-a .a-detail-tab-panel .markdown-body p {
  margin: 0.75rem 0 0;
}

.variant-a .a-detail-tab-panel .markdown-body p:first-child {
  margin-top: 0;
}

.variant-a .a-detail-tab-panel .markdown-body ul {
  margin: 0.75rem 0 0;
  padding-left: 22px;
}

.variant-a .a-detail-tab-panel .markdown-body li + li {
  margin-top: 0.35rem;
}

.variant-a .a-detail-tab-panel .markdown-body hr {
  margin: 1.5rem 0;
  border: 0;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
}

.variant-a .a-detail-tab-panel .markdown-body strong {
  color: #e2e8f0;
  font-weight: 850;
}

.variant-a .a-detail-points-heading {
  margin: 24px 0 0;
  color: #0d9488;
  font-size: 18px;
  font-weight: 950;
  letter-spacing: -0.02em;
}

.variant-a .a-detail-points-list {
  margin: 14px 0 0;
  padding-left: 22px;
  color: rgba(51, 65, 85, 0.82);
  font-size: 16px;
  line-height: 1.85;
  font-weight: 600;
}

.variant-a .a-detail-points-card {
  padding: 24px;
  border-radius: 26px;
  background: rgba(248, 250, 252, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.variant-a .a-detail-points-card h3 {
  margin: 0;
  color: #0d9488;
  font-size: 20px;
  font-weight: 950;
}

.variant-a .a-detail-points-card ol {
  margin: 18px 0 0;
  padding-left: 20px;
  color: rgba(51, 65, 85, 0.82);
  line-height: 1.8;
  font-weight: 600;
}

.variant-a .a-detail-cta {
  padding: 44px;
  border-radius: 36px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(34, 211, 238, 0.18), transparent 36%),
    rgba(15, 23, 42, 0.76);
}

.variant-a .a-detail-cta span {
  color: #0d9488;
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.14em;
}

.variant-a .a-detail-cta h2 {
  margin: 16px 0 0;
  color: #0f172a;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.14;
  font-weight: 950;
  letter-spacing: -0.055em;
}

.variant-a .a-detail-cta p {
  max-width: 720px;
  margin: 18px auto 0;
  color: rgba(71, 85, 105, 0.78);
  font-size: 17px;
  line-height: 1.7;
  font-weight: 600;
}

.variant-a .a-detail-cta-actions {
  justify-content: center;
}

.variant-a .a-detail-shorts-section .a-detail-section-header {
  margin-bottom: 1.25rem;
}

.variant-a .a-detail-shorts-section .a-detail-section-header h2 {
  margin-top: 10px;
  font-size: clamp(1.5rem, 2.8vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.variant-a .a-detail-shorts-section .a-detail-section-header p {
  max-width: 42rem;
  margin-top: 8px;
  font-size: calc(0.875rem * 1.2);
  line-height: 1.625;
  font-weight: 500;
  color: #94a3b8;
}

.variant-a .a-detail-shorts-carousel {
  position: relative;
}

.variant-a .a-detail-shorts-nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 999px;
  color: #475569;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
  cursor: pointer;
  transform: translateY(-50%);
  backdrop-filter: blur(8px);
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

@media (min-width: 768px) {
  .variant-a .a-detail-shorts-nav:not([hidden]) {
    display: flex;
  }
}

.variant-a .a-detail-shorts-nav svg {
  width: 20px;
  height: 20px;
}

.variant-a .a-detail-shorts-nav:hover {
  color: #0d9488;
  border-color: rgba(13, 148, 136, 0.32);
  background: rgba(236, 253, 250, 0.98);
  box-shadow: 0 12px 28px rgba(13, 148, 136, 0.12);
}

.variant-a .a-detail-shorts-nav-prev {
  left: -12px;
}

.variant-a .a-detail-shorts-nav-next {
  right: -12px;
}

.variant-a .a-detail-shorts-nav[hidden] {
  display: none;
}

.variant-a .a-detail-shorts-row {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  touch-action: pan-x;
  padding: 4px 2px 12px;
  scrollbar-width: none;
}

.variant-a .a-detail-shorts-row::-webkit-scrollbar {
  display: none;
}

.variant-a .a-detail-shorts-card {
  position: relative;
  flex: 0 0 min(260px, 72vw);
  width: min(260px, 72vw);
  aspect-ratio: 9 / 16;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: #000;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
  cursor: pointer;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.variant-a .a-detail-shorts-card:hover {
  transform: translateY(-4px);
  border-color: rgba(13, 148, 136, 0.32);
  box-shadow:
    0 18px 36px rgba(15, 23, 42, 0.14),
    0 6px 16px rgba(15, 23, 42, 0.08);
}

.variant-a .a-detail-shorts-card:focus-visible {
  outline: 2px solid rgba(34, 211, 238, 0.5);
  outline-offset: 3px;
}

.variant-a .a-detail-shorts-media {
  position: absolute;
  inset: 0;
  background: #000;
}

.variant-a .a-detail-shorts-cover {
  position: absolute;
  inset: 0;
  display: block;
  overflow: hidden;
  background: #0f172a;
}

.variant-a .a-detail-shorts-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.variant-a .a-detail-shorts-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  display: inline-flex;
  height: 30px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: #0d9488;
  background: rgba(13, 148, 136, 0.10);
  border: 1px solid rgba(34, 211, 238, 0.22);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.08em;
}

.variant-a .a-detail-shorts-play {
  position: static;
  transform: none;
  width: 58px;
  height: 58px;
  flex-shrink: 0;
  border: 0;
  border-radius: 999px;
  color: #020617;
  background: linear-gradient(135deg, #67e8f9, #a78bfa);
  box-shadow:
    0 0 32px rgba(34, 211, 238, 0.22),
    0 0 56px rgba(168, 85, 247, 0.14);
  cursor: pointer;
}

.variant-a .a-detail-shorts-play span {
  display: inline-block;
  margin-left: 3px;
  font-size: 22px;
}

.variant-a .a-detail-shorts-footer {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 48px 14px 16px;
  background: linear-gradient(
    to top,
    rgba(2, 6, 23, 0.98) 0%,
    rgba(2, 6, 23, 0.9) 38%,
    rgba(2, 6, 23, 0.52) 68%,
    transparent 100%
  );
  pointer-events: none;
}

.variant-a .a-detail-shorts-play-wrap {
  flex-shrink: 0;
  margin-bottom: 0;
  pointer-events: auto;
}

.variant-a .a-detail-shorts-index {
  display: none;
}

.variant-a .a-detail-shorts-player {
  position: absolute;
  inset: 0;
  display: none;
  background: #000;
}

.variant-a .a-detail-shorts-card.is-playing .a-detail-shorts-cover {
  display: none;
}

.variant-a .a-detail-shorts-card.is-playing .a-detail-shorts-player {
  display: block;
}

.variant-a .a-detail-shorts-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.variant-a .a-detail-shorts-copy {
  width: 100%;
  min-width: 0;
  padding: 0;
  background: none;
  pointer-events: none;
}

.variant-a .a-detail-shorts-copy h3 {
  margin: 0;
  color: #ffffff;
  font-size: 21px;
  line-height: 1.3;
  min-height: calc(21px * 1.3 * 2);
  font-weight: 900;
  letter-spacing: -0.02em;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.variant-a .a-detail-shorts-copy p {
  margin: 8px 0 0;
  color: rgba(241, 245, 249, 0.92);
  font-size: 19.6px;
  line-height: 1.35;
  font-weight: 650;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}

.variant-a .a-detail-tools-section .a-detail-section-header {
  display: none;
}

.variant-a .a-detail-tools-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
}

.variant-a .a-detail-quiz-card,
.variant-a .a-detail-chatbot-card,
.variant-a .a-detail-related-card {
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
}

.variant-a .a-detail-quiz-card,
.variant-a .a-detail-chatbot-card {
  min-height: 320px;
  padding: 28px;
  border-radius: 28px;
}

.variant-a .a-detail-tool-card-title {
  margin: 0 0 18px;
  color: #0f172a;
  font-size: 34px;
  line-height: 1.2;
  font-weight: 950;
  letter-spacing: -0.045em;
}

.variant-a .a-detail-tool-card-subtitle {
  margin: 0 0 24px;
  color: rgba(51, 65, 85, 0.82);
  font-size: 22px;
  line-height: 1.45;
  font-weight: 850;
  letter-spacing: -0.035em;
}

.variant-a .a-detail-quiz-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.variant-a .a-detail-quiz-head .a-detail-tool-card-title {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
}

.variant-a .a-detail-quiz-count {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  color: #0d9488;
  background: rgba(13, 148, 136, 0.10);
  border: 1px solid rgba(34, 211, 238, 0.24);
  font-size: 14px;
  font-weight: 950;
  letter-spacing: 0.04em;
}

.variant-a .a-detail-quiz-question {
  margin: 0;
  color: rgba(51, 65, 85, 0.86);
  font-size: calc(18px * var(--detail-font-scale, 1));
  line-height: 1.65;
  font-weight: 700;
}

.variant-a .a-detail-quiz-options {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.variant-a .a-detail-quiz-options button,
.variant-a .a-detail-chat-suggestions button {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  color: rgba(51, 65, 85, 0.88);
  background: rgba(248, 250, 252, 0.96);
  font-size: 14px;
  font-weight: 850;
  cursor: pointer;
  text-align: left;
}

.variant-a .a-detail-quiz-options button:hover,
.variant-a .a-detail-chat-suggestions button:hover {
  color: #0d9488;
  border-color: rgba(13, 148, 136, 0.25);
  background: rgba(13, 148, 136, 0.08);
}

.variant-a .a-detail-chat-preview {
  display: grid;
  gap: 14px;
  margin-top: 0;
}

.variant-a .a-detail-chat-bubble {
  max-width: 86%;
  padding: 14px 16px;
  border-radius: 18px;
  color: rgba(51, 65, 85, 0.88);
  font-size: calc(15px * var(--detail-font-scale, 1));
  line-height: 1.6;
  font-weight: 650;
}

.variant-a .a-detail-chat-bubble.user {
  justify-self: end;
  background: rgba(13, 148, 136, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.22);
}

.variant-a .a-detail-chat-bubble.bot {
  justify-self: start;
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid rgba(255, 255, 255, 0.085);
}

.variant-a .a-detail-chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.variant-a .a-detail-chat-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(148, 163, 184, 0.14);
}

.variant-a .a-detail-chat-input {
  flex: 1;
  min-width: 0;
  height: 52px;
  padding: 0 16px;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  color: #0f172a;
  background: rgba(248, 250, 252, 0.96);
  font-size: 15px;
  font-weight: 700;
  outline: none;
}

.variant-a .a-detail-chat-input::placeholder {
  color: rgba(71, 85, 105, 0.52);
}

.variant-a .a-detail-chat-input:focus {
  border-color: rgba(13, 148, 136, 0.42);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.08);
}

.variant-a .a-detail-chat-send {
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 18px;
  color: #020617;
  background: linear-gradient(135deg, #67e8f9, #a78bfa);
  font-size: 22px;
  font-weight: 950;
  cursor: pointer;
  box-shadow: 0 14px 34px rgba(34, 211, 238, 0.16);
  transition: transform 0.18s ease;
}

.variant-a .a-detail-chat-send:hover {
  transform: translateY(-1px);
}

.variant-a .a-detail-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.variant-a .a-detail-related-card {
  min-height: 240px;
  padding: 28px;
  border-radius: 30px;
}

.variant-a .a-detail-related-card span {
  display: inline-flex;
  height: 30px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: #0d9488;
  background: rgba(13, 148, 136, 0.10);
  border: 1px solid rgba(34, 211, 238, 0.20);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.08em;
}

.variant-a .a-detail-related-card h3 {
  margin: 22px 0 0;
  color: #0f172a;
  font-size: 24px;
  line-height: 1.3;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-a .a-detail-related-card p {
  margin: 12px 0 0;
  color: rgba(71, 85, 105, 0.74);
  font-size: 15px;
  line-height: 1.6;
  font-weight: 600;
}

.variant-a .a-detail-related-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  margin-top: 22px;
  padding: 0 16px;
  border-radius: 999px;
  color: #0d9488;
  background: rgba(13, 148, 136, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.22);
  text-decoration: none;
  font-size: 14px;
  font-weight: 900;
}

.variant-a .a-detail-recent-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.variant-a .a-detail-recent-card {
  padding: 24px;
  border-radius: 26px;
}

.variant-a .a-detail-recent-card h3 {
  margin: 0;
  color: #0f172a;
  font-size: 22px;
  line-height: 1.3;
  font-weight: 950;
  letter-spacing: -0.035em;
}

.variant-a .a-detail-recent-meta {
  margin: 10px 0 0;
  color: rgba(71, 85, 105, 0.88);
  font-size: 14px;
  font-weight: 700;
}

.variant-a .a-detail-recent-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  margin-top: 18px;
  padding: 0 16px;
  border-radius: 999px;
  color: #0d9488;
  background: rgba(13, 148, 136, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.22);
  text-decoration: none;
  font-size: 14px;
  font-weight: 900;
}

.variant-a .a-detail-share-panel {
  padding: 36px 28px;
  border-radius: 28px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(34, 211, 238, 0.14), transparent 38%),
    rgba(15, 23, 42, 0.76);
}

.variant-a .a-detail-share-panel h2 {
  margin: 14px 0 0;
  color: #0f172a;
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.2;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.variant-a .a-detail-share-panel p {
  max-width: 640px;
  margin: 14px auto 0;
  color: rgba(71, 85, 105, 0.78);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 600;
}

.variant-a .a-detail-share-section {
  padding-bottom: 64px;
}

.variant-a .a-detail-share-panel .a-detail-cta-actions {
  margin-top: 24px;
}

.variant-a .a-detail-share-panel .a-detail-primary-btn {
  border: 0;
  cursor: pointer;
}

@media (max-width: 1100px) {
  .variant-a .a-detail-hero-grid,
  .variant-a .a-detail-video-layout,
  .variant-a .a-detail-summary-panel {
    grid-template-columns: 1fr;
  }

  .variant-a .a-detail-ai-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .variant-a .a-detail-hero-card {
    max-width: 560px;
  }

  .variant-a .a-detail-related-grid,
  .variant-a .a-detail-recent-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .variant-a .a-detail-container,
  .variant-a .a-detail-header-inner {
    width: min(100% - 36px, 1180px);
  }

  .variant-a .a-detail-header-inner {
    min-height: 66px;
  }

  .variant-a .a-detail-brand-text,
  .variant-a .a-detail-header-link {
    display: none;
  }

  .variant-a .a-detail-hero {
    padding: 72px 0 62px;
  }

  .variant-a .a-detail-hero-copy h1 {
    font-size: 42px;
    line-height: 1.12;
  }

  .variant-a .a-detail-hero-copy p {
    font-size: 16px;
  }

  .variant-a .a-detail-hero-card {
    padding: 26px;
    border-radius: 28px;
  }

  .variant-a .a-detail-hero-card strong {
    font-size: 32px;
  }

  .variant-a .a-detail-section {
    padding: 28px 0;
  }

  .variant-a .a-detail-watch-section {
    padding: 32px 0 28px;
  }

  .variant-a .a-detail-video-placeholder {
    padding: 20px;
  }

  .variant-a .a-detail-video-cover-title {
    left: 20px;
    right: 20px;
    top: 44px;
    bottom: calc(50% + 52px);
    font-size: clamp(14px, 4.2vw, 22px);
    letter-spacing: 0.06em;
    line-height: 1.28;
  }

  .variant-a .a-detail-play-button {
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #0d9488);
    top: 66%;
    width: 72px;
    height: 72px;
  }

  .variant-a .a-detail-section-header h2 {
    font-size: 28px;
  }

  .variant-a .a-detail-section-header--row {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  .variant-a .a-detail-section-header-tools {
    justify-content: flex-end;
    padding-bottom: 0;
  }

  .variant-a .a-detail-lang-switch button {
    width: 36px;
    height: 36px;
    min-width: 36px;
  }

  .variant-a .a-detail-lang-switch .cbmc-detail-lang-flag {
    width: 24px;
    height: 24px;
  }

  .variant-a .a-detail-ai-grid {
    grid-template-columns: 1fr;
  }

  .variant-a .a-detail-ai-card {
    min-height: 0;
  }

  .variant-a .a-detail-summary-panel {
    padding: 24px;
    border-radius: 28px;
  }

  .variant-a .a-detail-summary-main h2 {
    font-size: 32px;
  }

  .variant-a .a-detail-cta {
    padding: 32px 22px;
    border-radius: 28px;
  }

  .variant-a .a-detail-tools-grid,
  .variant-a .a-detail-related-grid,
  .variant-a .a-detail-recent-grid {
    grid-template-columns: 1fr;
  }

  .variant-a .a-detail-shorts-nav {
    display: none !important;
  }

  .variant-a .a-detail-shorts-index {
    font-size: 52px;
  }

  .variant-a .a-detail-quiz-card,
  .variant-a .a-detail-chatbot-card {
    min-height: 0;
    padding: 24px;
    border-radius: 28px;
  }

  .variant-a .a-detail-tool-card-title {
    font-size: 28px;
  }

  .variant-a .a-detail-tool-card-subtitle {
    font-size: 19px;
  }

  .variant-a .a-detail-quiz-head {
    flex-direction: column;
  }

  .variant-a .a-detail-chat-input-row {
    gap: 8px;
  }

  .variant-a .a-detail-chat-input {
    height: 48px;
    font-size: 14px;
  }

  .variant-a .a-detail-chat-send {
    width: 48px;
    height: 48px;
  }

  .variant-a .a-detail-quiz-question {
    font-size: 16px;
  }

  .variant-a .a-detail-related-card {
    min-height: 0;
    padding: 24px;
    border-radius: 26px;
  }

  .variant-a .a-detail-recent-card {
    padding: 22px;
    border-radius: 24px;
  }

  .variant-a .a-detail-share-panel {
    padding: 28px 22px;
    border-radius: 24px;
  }

  .variant-a .a-detail-share-section {
    padding-bottom: 32px;
  }

  .variant-a .a-detail-share-popover {
    width: 228px;
    padding: 10px 8px 8px;
  }

  .variant-a .a-detail-share-option-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
  }

  .variant-a .a-detail-share-option-icon svg {
    width: 20px;
    height: 20px;
  }

  .variant-a .a-detail-share-option-label {
    font-size: 9px;
  }
}

/* A detail — final light theme corrections (override B-derived duplicates) */
.variant-a .a-detail-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: none;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.variant-a .a-detail-brand-mark {
  color: #ffffff;
}

.variant-a .a-detail-share-button {
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border: 0;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.22);
}

.variant-a .a-detail-share-button:hover {
  filter: brightness(1.05);
}

.variant-a .a-detail-overview-card,
.variant-a .a-detail-summary-panel,
.variant-a .a-detail-quiz-card,
.variant-a .a-detail-chatbot-card,
.variant-a .a-detail-share-panel,
.variant-a .a-detail-recent-card {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(148, 163, 184, 0.22);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  backdrop-filter: none;
}

.variant-a .a-detail-tool-card-title,
.variant-a .a-detail-share-panel h2,
.variant-a .a-detail-overview-card h3 {
  color: #0f172a;
}

.variant-a .a-detail-tool-card-subtitle,
.variant-a .a-detail-quiz-question,
.variant-a .a-detail-share-panel p {
  color: rgba(51, 65, 85, 0.82);
}

.variant-a .a-detail-shorts-card {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(148, 163, 184, 0.22);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.variant-a .a-detail-shorts-card:hover {
  box-shadow:
    0 18px 36px rgba(15, 23, 42, 0.14),
    0 6px 16px rgba(15, 23, 42, 0.08);
}

.variant-a .a-detail-shorts-copy h3 {
  color: #ffffff;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
}

.variant-a .a-detail-shorts-copy p {
  color: rgba(241, 245, 249, 0.92);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}

.variant-a .a-detail-shorts-play {
  color: #ffffff;
}

.variant-a .a-detail-section-kicker,
.variant-a .a-detail-info-label {
  color: #0d9488;
}

.variant-a .a-detail-lang-switch,
.variant-a .a-detail-font-size-controls {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(148, 163, 184, 0.28);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.variant-a .a-detail-lang-switch button.is-active,
.variant-a .a-detail-lang-switch button[aria-pressed='true'],
.variant-a .a-detail-font-size-btn[aria-pressed='true'] {
  color: #0d9488;
  background: rgba(13, 148, 136, 0.1);
}

.variant-a .a-detail-quiz-options button,
.variant-a .a-detail-chat-suggestions button {
  color: rgba(51, 65, 85, 0.88);
  background: rgba(248, 250, 252, 0.96);
  border-color: rgba(148, 163, 184, 0.22);
}

.variant-a .a-detail-quiz-options button:hover,
.variant-a .a-detail-chat-suggestions button:hover {
  color: #0d9488;
  border-color: rgba(13, 148, 136, 0.24);
  background: rgba(13, 148, 136, 0.08);
}

.variant-a .a-detail-chat-bubble.user {
  color: #0f172a;
  background: rgba(224, 242, 254, 0.92);
}

.variant-a .a-detail-chat-bubble.bot {
  color: rgba(51, 65, 85, 0.88);
  background: rgba(248, 250, 252, 0.96);
}

.variant-a .a-detail-chat-input {
  color: #0f172a;
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(148, 163, 184, 0.28);
}

.variant-a .a-detail-chat-send {
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.variant-a .a-detail-share-popover {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(148, 163, 184, 0.24);
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.12);
}

.variant-a .a-detail-share-popover-title {
  color: rgba(51, 65, 85, 0.72);
}

.variant-a .a-detail-share-option-label {
  color: rgba(51, 65, 85, 0.78);
}

.variant-a .a-detail-featured-section {
  color: #0f172a;
  background: linear-gradient(180deg, #f8fafc 0%, #eef6ff 48%, #f0fdfa 100%);
}

.variant-a .a-detail-featured-section::before {
  display: none;
}

.variant-a .a-detail-primary-btn {
  color: #ffffff;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.22);
}

.variant-a .a-detail-secondary-btn {
  color: #0f172a;
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(148, 163, 184, 0.28);
}