/* ============================================
   FRSS 2026 · v7.0 · International Design System
   Reference: GHS 2026, GCS 2026
   ============================================ */

/* ── Design Tokens ── */
:root {
  /* Primary - Deep Navy */
  --primary: #0c2340;
  --primary-dark: #081a30;
  --primary-light: #1e3a5f;
  --primary-mid: #163350;

  /* Accent - Warm Gold */
  --accent: #c9a962;
  --accent-dark: #a88b4a;
  --accent-light: #d4bc7e;
  --accent-glow: rgba(201,169,98,0.15);

  /* Neutrals */
  --bg-primary: #f8f9fb;
  --bg-secondary: #f0f2f6;
  --bg-gold: #faf7f0;
  --bg-card: #ffffff;

  --text-primary: #111827;
  --text-secondary: #374151;
  --text-tertiary: #6b7280;
  --text-muted: #9ca3af;

  --border-light: #e5e7eb;
  --border-lighter: #f3f4f6;

  /* Glassmorphism */
  --glass-bg: rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.12);
  --glass-shadow: rgba(0,0,0,0.2);

  /* Spacing */
  --sp-xs: 4px; --sp-sm: 8px; --sp-md: 16px; --sp-lg: 24px;
  --sp-xl: 32px; --sp-2xl: 48px; --sp-3xl: 64px; --sp-4xl: 96px;

  /* Radius */
  --r-sm: 6px; --r-md: 10px; --r-lg: 16px; --r-xl: 24px;

  /* Transitions */
  --t-fast: 0.2s ease; --t-base: 0.3s ease; --t-slow: 0.5s ease;
  --t-spring: 0.4s cubic-bezier(0.34,1.56,0.64,1);
}

/* ── Global Reset ── */
*, *::before, *::after { box-sizing: border-box; }
* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
html { scroll-behavior: smooth; }

.container { max-width: 1200px !important; }

body {
  font-family: "Inter", "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text-primary);
  background: var(--bg-primary);
  padding-top: 72px;
  line-height: 1.65;
  letter-spacing: 0.01em;
  margin: 0;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; }

/* ── Typography ── */
.font-display {
  font-family: 'Playfair Display', 'Georgia', 'Times New Roman', serif;
}
.font-sans {
  font-family: "Inter", "Segoe UI", sans-serif;
}

/* ── Scroll Animations ──
   Content is ALWAYS visible. JS progressively enhances
   by animating entrance for below-viewport elements only.
   No opacity:0 in CSS — JS handles hiding/revealing. */
[data-animate].anim-hidden {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-animate="fade-up"].anim-hidden {
  transform: translateY(30px);
}
[data-animate="slide-left"].anim-hidden {
  transform: translateX(-40px);
}
[data-animate="slide-right"].anim-hidden {
  transform: translateX(40px);
}
[data-animate="scale-in"].anim-hidden {
  transform: scale(0.92);
}
[data-animate].is-visible {
  opacity: 1 !important;
  transform: translateY(0) translateX(0) scale(1) !important;
}

/* stagger children — same progressive approach */
[data-animate-stagger].anim-hidden > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
[data-animate-stagger].is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ── Navigation ── */
.navbar {
  background: rgba(8,26,48,0.85) !important;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--t-base), padding var(--t-base), box-shadow var(--t-base);
  z-index: 1000;
}
.navbar.scrolled {
  background: rgba(8,26,48,0.97) !important;
  padding: 10px 0;
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}
.navbar-brand {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 2px;
  color: #fff !important;
  transition: color var(--t-fast);
}
.navbar-brand:hover { color: var(--accent-light) !important; }

.navbar-nav .nav-link {
  color: rgba(255,255,255,0.75) !important;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.5px;
  padding: 8px 18px !important;
  position: relative;
  transition: color var(--t-fast);
}
.navbar-nav .nav-link:hover { color: #fff !important; }
.navbar-nav .nav-link.active {
  color: #fff !important;
  font-weight: 500;
}
.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 18px; right: 18px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 1px;
}

.lang-switch-btn {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.85) !important;
  border: 1px solid rgba(255,255,255,0.15);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 6px 14px;
  border-radius: var(--r-sm);
  transition: all var(--t-fast);
}
.lang-switch-btn:hover {
  background: rgba(255,255,255,0.15);
  color: #fff !important;
  border-color: var(--accent);
}

/* ── Hero Banner ── */
.hero-banner {
  position: relative;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  padding: 60px 0;
  overflow: hidden;
}
.hero-banner .hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-banner .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(8,26,48,0.88) 0%,
    rgba(12,35,64,0.82) 40%,
    rgba(30,58,95,0.75) 100%);
  z-index: 1;
}

/* Floating decorative geometry */
.hero-banner .hero-geo {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
.hero-banner .geo-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(201,169,98,0.15);
  animation: geo-float 12s ease-in-out infinite;
}
.hero-banner .geo-circle.c1 {
  width: 400px; height: 400px;
  top: -10%; right: -5%;
  animation-delay: 0s;
}
.hero-banner .geo-circle.c2 {
  width: 250px; height: 250px;
  bottom: 5%; left: -3%;
  border-color: rgba(255,255,255,0.06);
  animation-delay: -4s;
}
.hero-banner .geo-circle.c3 {
  width: 180px; height: 180px;
  top: 30%; left: 60%;
  border-color: rgba(201,169,98,0.08);
  animation-delay: -8s;
}
.hero-banner .geo-line {
  position: absolute;
  width: 1px;
  background: linear-gradient(180deg, rgba(201,169,98,0.2), transparent);
}
.hero-banner .geo-line.l1 {
  height: 200px; top: 10%; left: 15%;
  transform: rotate(-15deg);
}

@keyframes geo-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.02); }
}

.hero-banner .hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  padding: 40px 20px;
}
.hero-banner .hero-content .endorsement {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-light);
  font-weight: 600;
  margin-bottom: 16px;
  opacity: 0;
  animation: hero-fade-up 0.8s ease forwards 0.3s;
}
.hero-banner .hero-content .kicker {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  font-weight: 300;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  opacity: 0;
  animation: hero-fade-up 0.8s ease forwards 0.5s;
}
.hero-banner .hero-content h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 52px;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 1px;
  margin-bottom: 8px;
  opacity: 0;
  animation: hero-fade-up 0.8s ease forwards 0.7s;
}
.hero-banner .hero-content h1::after {
  content: '';
  display: block;
  width: 60px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  margin: 16px auto 0;
  border-radius: 1px;
}
.hero-banner .hero-content .subtitle {
  font-size: 20px;
  color: rgba(255,255,255,0.9);
  font-weight: 400;
  letter-spacing: 1px;
  margin-top: 20px;
  opacity: 0;
  animation: hero-fade-up 0.8s ease forwards 0.9s;
}
.hero-banner .hero-content .zh-title {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  font-weight: 300;
  margin-bottom: 16px;
  opacity: 0;
  animation: hero-fade-up 0.8s ease forwards 1s;
}
.hero-banner .hero-content .dates {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 6px;
  opacity: 0;
  animation: hero-fade-up 0.8s ease forwards 1.1s;
}
.hero-banner .hero-content .venue {
  font-size: 16px;
  color: rgba(255,255,255,0.75);
  font-weight: 300;
  margin-bottom: 40px;
  opacity: 0;
  animation: hero-fade-up 0.8s ease forwards 1.2s;
}

@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Countdown ── */
.countdown-wrap {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 36px;
  opacity: 0;
  animation: hero-fade-up 0.8s ease forwards 1.3s;
}
.countdown-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-md);
  padding: 16px 20px;
  min-width: 72px;
  text-align: center;
  transition: transform var(--t-spring);
}
.countdown-card:hover { transform: translateY(-2px); }
.countdown-card .cd-num {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 40px;
  font-weight: 600;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: 6px;
}
.countdown-card .cd-label {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}

/* ── Hero CTA ── */
.hero-cta-wrap {
  opacity: 0;
  animation: hero-fade-up 0.8s ease forwards 1.5s;
}
.hero-cta-wrap .cta-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.hero-cta-wrap .cta-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  font-weight: 300;
  letter-spacing: 0.3px;
  margin-bottom: 24px;
}

/* ── Buttons ── */
.btn-gold {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  font-weight: 600;
  padding: 14px 44px;
  font-size: 13px;
  border-radius: var(--r-sm);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all var(--t-base);
  border: none;
  text-decoration: none;
  display: inline-block;
  box-shadow: 0 4px 16px rgba(201,169,98,0.25);
  position: relative;
  overflow: hidden;
}
.btn-gold::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}
.btn-gold:hover::before { left: 100%; }
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(201,169,98,0.35);
  color: #fff;
}

.btn-primary-frss {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border: none;
  font-weight: 500;
  padding: 12px 28px;
  font-size: 14px;
  border-radius: var(--r-sm);
  letter-spacing: 0.3px;
  transition: all var(--t-base);
}
.btn-primary-frss:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(12,35,64,0.25);
  color: #fff;
}

/* ── Page Banner (sub-pages) ── */
.page-banner {
  position: relative;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: #fff;
  padding: 120px 0 100px;
  text-align: center;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: -30%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(201,169,98,0.08) 0%, transparent 60%);
  border-radius: 50%;
}
.page-banner::after {
  content: '';
  position: absolute;
  bottom: -20%; left: -5%;
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 60%);
  border-radius: 50%;
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 48px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 1px;
  position: relative;
  display: inline-block;
}
.page-banner h1::after {
  content: '';
  position: absolute;
  bottom: -14px; left: 50%;
  transform: translateX(-50%);
  width: 60px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 1px;
}
.page-banner .banner-subtitle {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  font-weight: 300;
  letter-spacing: 0.5px;
  margin-top: 28px;
}

/* ── Wave SVG Dividers ── */
.wave-divider {
  position: relative;
  width: 100%;
  line-height: 0;
}
.wave-divider svg {
  width: 100%;
  height: auto;
  display: block;
}
.wave-divider-top {
  margin-bottom: -1px;
}
.wave-divider-bottom {
  margin-top: -1px;
}

/* ── Section Headers ── */
.section-header {
  text-align: center;
  margin-bottom: var(--sp-2xl);
}
.section-header .section-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 36px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.section-header .section-title.light {
  color: #fff;
}
.section-header .section-subtitle {
  font-size: 15px;
  color: var(--text-tertiary);
  font-weight: 300;
  letter-spacing: 0.5px;
}
.section-header .section-subtitle.light {
  color: rgba(255,255,255,0.6);
}

/* ── Callout ── */
.callout {
  padding: var(--sp-2xl) var(--sp-xl);
  text-align: center;
}
.callout .lead {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
  font-weight: 400;
  margin: 0;
}
.callout .lead strong { color: var(--primary); font-weight: 600; }

/* ── Sponsor Box ── */
.sponsor-box {
  background: var(--bg-card);
  padding: var(--sp-3xl) var(--sp-2xl);
  border-radius: var(--r-lg);
  text-align: center;
  border: 1px solid var(--border-lighter);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  margin-bottom: var(--sp-xl);
}
.sponsor-section { font-size: 14px; color: var(--text-tertiary); line-height: 1.8; }
.sponsor-section .sponsor-label {
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--primary);
  display: block;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
  padding-bottom: 12px;
  position: relative;
}
.sponsor-section .sponsor-label::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 40px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
}
.sponsor-section .sponsor-list {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.8;
}
.sponsor-section p { margin-bottom: 24px; }
.sponsor-section p:last-child { margin-bottom: 0; }

/* ── Card Components ── */
.glass-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  text-align: center;
  transition: all var(--t-base);
}
.glass-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-4px);
  border-color: rgba(201,169,98,0.25);
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-lighter);
  border-radius: var(--r-md);
  padding: 24px;
  transition: all var(--t-base);
}
.info-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  border-color: var(--accent-glow);
}

/* ── Dark Section (Full-width) ── */
.dark-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: var(--sp-4xl) 0;
}
.dark-section::before {
  content: '';
  position: absolute;
  top: -30%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(201,169,98,0.06) 0%, transparent 60%);
  border-radius: 50%;
}
.dark-section .container { position: relative; z-index: 1; }

/* ── Content Sections ── */
.light-section { padding: var(--sp-4xl) 0; background: var(--bg-primary); }
.gray-section { padding: var(--sp-4xl) 0; background: var(--bg-secondary); }
.gold-section { padding: var(--sp-4xl) 0; background: var(--bg-gold); }

/* ── Agenda Styles ── */
.day-banner {
  position: relative;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: #fff;
  padding: var(--sp-2xl) var(--sp-xl);
  margin: var(--sp-2xl) 0 var(--sp-lg);
  border-radius: var(--r-md);
  text-align: left;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(12,35,64,0.2);
}
.day-banner::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(201,169,98,0.1) 0%, transparent 60%);
  border-radius: 50%;
}
.day-banner .day-tag {
  font-size: 12px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 10px;
  display: inline-block;
  position: relative; z-index: 1;
}
.day-banner h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 28px;
  font-weight: 600;
  margin: 0 0 8px;
  color: #fff;
  letter-spacing: 0.5px;
  position: relative; z-index: 1;
}
.day-banner .day-subtitle {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  font-weight: 400;
  letter-spacing: 0.3px;
  margin-top: 8px;
  position: relative; z-index: 1;
}
.day-banner.purple {
  background: linear-gradient(135deg, #4c1d95 0%, #5b21b6 50%, #6d28d9 100%);
  box-shadow: 0 4px 20px rgba(91,33,182,0.2);
}
.day-banner.purple .day-tag { color: #fbbf24; }

.session-block {
  margin-bottom: var(--sp-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-lighter);
  border-radius: var(--r-md);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  transition: box-shadow var(--t-fast);
  overflow: hidden;
}
.session-block:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.06); }

.session-header {
  padding: var(--sp-lg) var(--sp-xl);
  border-bottom: 1px solid var(--border-lighter);
  background: linear-gradient(90deg, rgba(201,169,98,0.06) 0%, #fff 100%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-lg);
  position: relative;
}
.session-header::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-radius: 2px;
}
.session-header .s-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.2px;
  margin: 0;
  line-height: 1.4;
  flex: 1;
}
.session-header .s-title .zh {
  font-weight: 400;
  color: var(--text-tertiary);
  font-size: 13px;
  display: block;
  margin-top: 2px;
}
.session-header .moderator {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 400;
  margin: 0;
  text-align: right;
  letter-spacing: 0.2px;
  white-space: nowrap;
  flex-shrink: 0;
}

.slot {
  display: flex;
  padding: var(--sp-md) var(--sp-xl);
  border-bottom: 1px solid var(--border-lighter);
  align-items: flex-start;
  gap: var(--sp-lg);
  transition: background-color var(--t-fast);
}
.slot:hover { background-color: var(--bg-secondary); }
.slot:last-child { border-bottom: none; }
.slot .time {
  flex: 0 0 110px;
  font-weight: 500;
  color: var(--primary);
  font-size: 13px;
  font-family: 'Inter', monospace;
  padding-top: 2px;
  letter-spacing: 0.3px;
}
.slot .content { flex: 1; min-width: 0; }
.slot .topic {
  font-size: 14.5px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--text-primary);
  line-height: 1.5;
}
.slot .topic .zh {
  font-weight: 400;
  color: var(--text-secondary);
  font-size: 13px;
  display: block;
  margin-top: 2px;
}
.slot .speaker { font-size: 13px; margin: 0; line-height: 1.5; }
.slot .speaker .name { font-weight: 600; color: var(--text-secondary); }
.slot .speaker .affil { font-weight: 400; font-size: 12px; color: var(--text-tertiary); }
.slot .speaker .tbd { font-weight: 500; color: var(--text-muted); font-style: italic; }

.slot.break {
  background: var(--bg-secondary);
  padding: var(--sp-sm) var(--sp-xl);
}
.slot.break:hover { background: var(--bg-secondary); }
.slot.break .topic {
  color: var(--text-tertiary);
  font-style: italic;
  font-weight: 400;
  font-size: 13px;
  margin: 0;
}
.slot.break .time { color: var(--text-tertiary); font-weight: 400; }

.slot.feature {
  background: linear-gradient(90deg, rgba(12,35,64,0.04) 0%, transparent 100%);
  border-left: 3px solid var(--accent);
  padding-left: calc(var(--sp-xl) - 3px);
}
.slot.feature .topic { color: var(--primary); font-weight: 700; }
.slot.feature .time { color: var(--accent-dark); font-weight: 600; }

.session-footer {
  padding: var(--sp-md) var(--sp-xl);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-lighter);
  font-size: 13px;
  color: var(--text-secondary);
  font-style: italic;
}
.session-footer strong { color: var(--primary); font-style: normal; font-weight: 600; }

.concurrent-marker {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: white;
  text-align: center;
  padding: var(--sp-md) var(--sp-xl);
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  font-weight: 600;
  margin: var(--sp-2xl) 0 var(--sp-lg);
  border-radius: var(--r-md);
  box-shadow: 0 2px 12px rgba(201,169,98,0.25);
  position: relative;
  overflow: hidden;
}
.concurrent-marker::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: shimmer 3s infinite;
}
@keyframes shimmer { 0% { left: -100%; } 100% { left: 100%; } }
.concurrent-marker .meta {
  font-size: 10px;
  opacity: 0.85;
  font-weight: 400;
  letter-spacing: 1.5px;
  margin-top: 6px;
  text-transform: none;
}

/* ── Speakers / Faculty ── */
.faculty-dark {
  background: linear-gradient(135deg, #2a1f18 0%, #3a2c23 50%, #4a362e 100%);
  color: white;
  padding: 80px 32px 100px;
  position: relative;
}
.faculty-dark::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent) 20%, var(--accent-light) 50%, var(--accent) 80%, transparent);
}
.faculty-circle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 36px;
  max-width: 880px;
  margin: 0 auto;
}
.fc-card {
  text-align: center;
  transition: transform var(--t-base);
}
.fc-card:hover { transform: translateY(-4px); }
.fc-card .photo {
  width: 180px; height: 180px;
  border-radius: 50%;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, #c9c2b3, #8a8275);
  background-size: cover;
  background-position: center top;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 2px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  border: 3px solid rgba(201,169,98,0.25);
  transition: all var(--t-base);
}
.fc-card:hover .photo {
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  border-color: var(--accent);
}
.fc-card .photo.has-img { color: transparent; }
.fc-card .name {
  font-size: 15px;
  color: white;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px;
  transition: color var(--t-fast);
}
.fc-card .name:hover { color: var(--accent-light); }
.fc-card .name::before {
  content: "⌄";
  font-size: 16px;
  font-weight: 400;
  transition: transform 0.25s;
  color: rgba(255,255,255,0.6);
}
.fc-card.open .name::before { transform: rotate(180deg); }
.fc-card .bio {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, margin 0.25s ease;
  text-align: left;
  max-width: 220px;
  margin: 0 auto;
}
.fc-card.open .bio { max-height: 500px; margin-top: 16px; }
.fc-card .bio .affil {
  display: block;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 8px;
  font-weight: 600;
}
.fc-card .bio .text {
  font-size: 14px;
  color: rgba(255,255,255,0.82);
  line-height: 1.6;
}

.fc-card.gold .photo { background: linear-gradient(135deg, #d4b87a, #a88b4a); }
.fc-card.maroon .photo { background: linear-gradient(135deg, #a96e6e, #703a3a); }
.fc-card.blue .photo { background: linear-gradient(135deg, #7a9bc9, #3a5470); }
.fc-card.rose .photo { background: linear-gradient(135deg, #c97a9a, #703a52); }
.fc-card.sand .photo { background: linear-gradient(135deg, #d4c497, #8a7748); }
.fc-card.purple .photo { background: linear-gradient(135deg, #9a7ac9, #4f3a70); }
.fc-card.green .photo { background: linear-gradient(135deg, #8ab688, #4a6448); }
.fc-card.teal .photo { background: linear-gradient(135deg, #7ac9c4, #3a706c); }

/* ── CTA Section ── */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: #fff;
  padding: var(--sp-4xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(201,169,98,0.05) 0%, transparent 70%);
}
.cta-section::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,169,98,0.3), transparent);
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.cta-section p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  font-weight: 300;
  letter-spacing: 0.3px;
  margin-bottom: var(--sp-xl);
}
.cta-section .btn {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  font-weight: 600;
  padding: 14px 48px;
  font-size: 13px;
  border-radius: var(--r-sm);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all var(--t-base);
  border: none;
  box-shadow: 0 4px 16px rgba(201,169,98,0.2);
  text-decoration: none;
  display: inline-block;
  position: relative;
  overflow: hidden;
}
.cta-section .btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}
.cta-section .btn:hover::before { left: 100%; }
.cta-section .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(201,169,98,0.35);
  color: #fff;
}

/* ── Chair Cards (About page) ── */
.chair-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-xl);
  justify-content: center;
}
.chair-card {
  text-align: center;
  width: 200px;
}
.chair-card img {
  width: 150px; height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: var(--sp-md);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15), 0 0 0 3px var(--accent);
  border: 4px solid var(--bg-card);
  transition: transform var(--t-spring);
}
.chair-card:hover img { transform: scale(1.05); }
.chair-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--primary);
}
.chair-card p {
  font-size: 13px;
  color: var(--accent-dark);
  font-weight: 500;
  letter-spacing: 0.3px;
  margin: 0;
}

/* ── Section Titles (About page) ── */
.section-title-bar {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 26px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--sp-lg);
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: 12px;
}
.section-title-bar::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 40px; height: 2px;
  background: var(--accent);
  border-radius: 1px;
}
.section-content {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ── About Section ── */
.about-content-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-content { text-align: left; }
.about-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}
.about-image {
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}
.about-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
}

/* ── Expect List ── */
.expect-list {
  max-width: 800px;
  margin: 0 auto;
  list-style: none;
  padding: 0;
}
.expect-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 20px;
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
}
.expect-list li::before {
  content: '✓';
  position: absolute;
  left: 0; top: 2px;
  color: var(--accent);
  font-weight: 700;
  font-size: 16px;
}
.expect-list li strong { color: #fff; }

/* ── Attend Grid ── */
.attend-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}
.attend-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--r-md);
  border: 1px solid var(--border-lighter);
  transition: all var(--t-base);
}
.attend-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
  border-color: var(--accent-glow);
}
.attend-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}
.attend-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Overview Timeline ── */
.overview-timeline { max-width: 800px; margin: 0 auto; }
.overview-day {
  display: flex;
  gap: 32px;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-lighter);
}
.overview-day:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.overview-date { flex-shrink: 0; width: 120px; }
.overview-date .day-label {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}
.overview-date .day-date {
  font-size: 13px;
  color: var(--accent-dark);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.overview-content { flex: 1; }
.overview-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* ── Participation ── */
.participation-box {
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: var(--r-lg);
  padding: var(--sp-2xl);
  border: 1px solid var(--border-lighter);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
}
.participation-left {
  padding-right: 40px;
  border-right: 1px solid var(--border-lighter);
}
.participation-highlight h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.participation-highlight p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}
.participation-pass h5 {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.participation-pass .pass-subtitle {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
  font-weight: 500;
}
.participation-pass ul { list-style: none; padding: 0; margin: 0; }
.participation-pass li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.participation-pass li::before {
  content: '✓';
  position: absolute;
  left: 4px; top: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 12px;
}
.participation-note {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 12px;
  font-style: italic;
}
.participation-right {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.price-card {
  text-align: center;
  padding: 24px;
  background: var(--bg-gold);
  border-radius: var(--r-md);
  border: 1px solid var(--accent-light);
}
.price-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.price-member {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--accent-dark);
  margin-bottom: 4px;
}
.price-member span { font-size: 16px; font-weight: 500; }
.price-desc { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; font-weight: 500; }
.price-original {
  padding-top: 16px;
  border-top: 1px solid rgba(201,169,98,0.3);
  margin-bottom: 16px;
}
.price-original-label { font-size: 12px; color: var(--text-tertiary); margin-bottom: 4px; }
.price-original-value { font-size: 16px; color: var(--text-tertiary); text-decoration: line-through; }
.price-savings {
  padding: 10px 16px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 600;
}
.participation-cta { text-align: center; margin-top: var(--sp-xl); }
.participation-cta .btn-participation {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  font-weight: 600;
  padding: 14px 36px;
  font-size: 13px;
  border-radius: var(--r-sm);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all var(--t-base);
  border: none;
  text-decoration: none;
  display: inline-block;
  box-shadow: 0 4px 16px rgba(201,169,98,0.25);
  width: 100%;
  position: relative;
  overflow: hidden;
}
.participation-cta .btn-participation::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}
.participation-cta .btn-participation:hover::before { left: 100%; }
.participation-cta .btn-participation:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(201,169,98,0.35);
}

/* ── Partners Section ── */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: var(--sp-2xl);
}
.partner-card h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.partner-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 24px;
}
.partner-card .btn-partner {
  display: inline-block;
  color: var(--accent-light);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  border: 1px solid var(--accent);
  padding: 10px 24px;
  border-radius: var(--r-sm);
  transition: all var(--t-fast);
  align-self: center;
}
.partner-card .btn-partner:hover { background: var(--accent); color: #fff; }

/* ── City / Hotel Sections ── */
.city-content, .hotel-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: var(--sp-xl);
}
.city-image, .hotel-image {
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.city-carousel-img, .hotel-carousel-img {
  width: 100%;
  height: 350px;
  object-fit: cover;
}
.city-info, .hotel-info { padding: 20px 0; }
.city-info .city-name, .hotel-info .hotel-name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.city-info .city-tag, .hotel-info .hotel-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--r-sm);
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.city-info .city-desc, .hotel-info .hotel-detail-value {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 16px;
}
.hotel-info .hotel-detail { margin-bottom: 16px; }
.hotel-info .hotel-detail-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.hotel-info .hotel-detail-value {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.6;
}

/* ── Transport Guide ── */
.transport-guide-toggle {
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color var(--t-fast);
}
.transport-guide-toggle:hover { color: var(--accent); }
.transport-guide-toggle .arrow {
  transition: transform 0.3s ease;
  font-size: 10px;
}
.transport-guide-toggle[aria-expanded="true"] .arrow { transform: rotate(180deg); }
.transport-guide-content {
  margin-top: 12px;
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: var(--r-md);
  border: 1px solid var(--border-lighter);
}
.transport-table { width: 100%; font-size: 13px; }
.transport-table th {
  text-align: left;
  font-weight: 600;
  color: var(--primary);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.transport-table td {
  padding: 10px 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-lighter);
  font-weight: 300;
}
.transport-table tr:last-child td { border-bottom: none; }
.transport-table .transport-from { font-weight: 500; color: var(--text-primary); }
.transport-metro-note {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-lighter);
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 300;
}
.map-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--t-fast);
}
.map-link:hover { color: var(--accent-dark); }

/* ── Meeting Carousel ── */
.meeting-carousel-wrapper {
  margin-top: var(--sp-xl);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
.meeting-carousel-img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

/* ── Registration Form ── */
.form-section-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  color: var(--primary);
  font-size: 24px;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}
.form-section-title::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 40px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
}
.container-box {
  background: #fff;
  padding: 40px;
  margin: 40px 0;
  border-radius: var(--r-lg);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  border: 1px solid var(--border-lighter);
}
.container-box p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}
.form-label, label {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: 8px;
}
.form-control {
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  padding: 12px 16px;
  font-size: 14px;
  transition: all var(--t-base);
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-check-input:checked {
  background-color: var(--accent);
  border-color: var(--accent);
}
.form-check-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
hr { border: none; border-top: 1px solid var(--border-lighter); margin: 32px 0 !important; }

/* ── Footer ── */
footer {
  background: var(--primary-dark);
  color: #fff;
  padding: 60px 0 30px;
  position: relative;
}
footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent) 20%, var(--accent-light) 50%, var(--accent) 80%, transparent);
}
footer .footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
footer .footer-col h5 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
footer .footer-col p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 6px;
  line-height: 1.6;
}
footer .footer-col a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color var(--t-fast);
}
footer .footer-col a:hover { color: var(--accent-light); }
footer .footer-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin: 32px 0 20px;
}
footer .footer-bottom {
  text-align: center;
}
footer .footer-copyright {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.5px;
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(201,169,98,0.3);
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--t-base);
  z-index: 999;
  border: none;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(201,169,98,0.4);
}

/* ── Responsive ── */
@media (max-width: 992px) {
  .about-content-wrapper,
  .city-content,
  .hotel-content { grid-template-columns: 1fr; gap: 24px; }
  .partners-grid { grid-template-columns: 1fr 1fr; }
  .participation-box { grid-template-columns: 1fr; }
  .participation-left { padding-right: 0; border-right: none; padding-bottom: 24px; border-bottom: 1px solid var(--border-lighter); }
  footer .footer-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
}
@media (max-width: 768px) {
  .container { max-width: 100% !important; padding: 0 20px; }
  body { padding-top: 64px; }
  .navbar { padding: 10px 0; }
  .navbar-brand { font-size: 16px; }
  .hero-banner { min-height: auto; padding: 80px 0 60px; }
  .hero-banner .hero-content h1 { font-size: 32px; }
  .page-banner { padding: 80px 0 60px; }
  .page-banner h1 { font-size: 32px; }
  .countdown-wrap { gap: 12px; }
  .countdown-card { min-width: 58px; padding: 12px 14px; }
  .countdown-card .cd-num { font-size: 28px; }
  .faculty-circle-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .fc-card .photo { width: 160px; height: 160px; font-size: 42px; }
  .meeting-carousel-img { height: 280px; }
  .city-carousel-img, .hotel-carousel-img { height: 250px; }
  .session-header { padding: var(--sp-md) var(--sp-lg); flex-direction: column; align-items: flex-start; gap: var(--sp-sm); }
  .session-header .moderator { text-align: left; white-space: normal; }
  .slot { padding: var(--sp-md) var(--sp-lg); flex-direction: column; gap: var(--sp-sm); }
  .slot .time { flex: none; font-size: 12px; }
  .slot.feature { padding-left: calc(var(--sp-lg) - 3px); }
  .concurrent-marker { margin: var(--sp-xl) 0 var(--sp-md); padding: var(--sp-sm) var(--sp-lg); font-size: 10px; }
  .cta-section { padding: var(--sp-2xl) 0; }
  .cta-section h3 { font-size: 22px; }
  .section-header .section-title { font-size: 24px; }
  .attend-grid { grid-template-columns: 1fr; }
  .overview-day { flex-direction: column; gap: 12px; }
  .overview-date { width: auto; }
  .partners-grid { grid-template-columns: 1fr; }
  .container-box { padding: 24px; margin: 24px 0; }
  .form-section-title { font-size: 20px; }
  .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; font-size: 18px; }
}
@media (max-width: 600px) {
  .faculty-circle-grid { grid-template-columns: 1fr; }
  .hero-banner .hero-content h1 { font-size: 28px; }
  .page-banner h1 { font-size: 28px; }
}