@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;600;700;800&family=Inter:wght@400;500;600;700&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css');

/* ============================================================
   ICFM 2026 — ORIGINAL COLORS · ELEVATED ELEGANCE
   Same dark navy + cyan palette, dramatically improved:
   · Breathing ambient light animations
   · Rich hover micro-interactions
   · Refined spacing & depth
   · Subtle luminosity effects
   ============================================================ */

:root {
  --bg: #020617;
  --surface: rgba(255, 255, 255, 0.02);
  --surface-2: rgba(255, 255, 255, 0.04);
  --surface-3: rgba(255, 255, 255, 0.06);
  --accent: #0ea5e9;
  --accent-dim: #0284c7;
  --accent-glow: rgba(34, 211, 238, 0.15);
  --accent-glow-strong: rgba(34, 211, 238, 0.30);
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --text-dim: #52525b;
  --border: rgba(255, 255, 255, 0.07);
  --border-lit: rgba(34, 211, 238, 0.25);
  --radius: 16px;
  --radius-sm: 10px;
  --mouse-x: 50vw;
  --mouse-y: 50vh;
  /* legacy names — untouched */
  --navy: #0a0a0b;
  --royal: #141416;
  --gold: #22d3ee;
  --light-gold: #67e8f9;
  --offwhite: #fafafa;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 0 1px rgba(34, 211, 238, 0.08),
    0 8px 32px rgba(0, 0, 0, 0.6),
    0 0 60px rgba(34, 211, 238, 0.06);
}

/* ── Smooth Motion Defaults ─────────────────────────────── */
html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  opacity: 0;
  animation: pageReveal 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Subtle animated background atmosphere */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 20% 10%, rgba(34, 211, 238, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 90%, rgba(8, 145, 178, 0.03) 0%, transparent 55%);
  animation: atmosphereShift 18s ease-in-out infinite alternate;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: radial-gradient(800px circle at var(--mouse-x, 50vw) var(--mouse-y, 50vh), rgba(14, 165, 233, 0.08), transparent 40%);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
}

/* ── Cinematic Preloader ─────────────────────────────────── */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

#preloader.loaded {
  opacity: 0;
  pointer-events: none;
  transform: scale(1.05);
  /* Slight scale up for breathing exit */
}

/* A sleek, minimalist loading ring */
.loader-ring {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.05);
  border-top-color: var(--accent);
  animation: spinner 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

@keyframes spinner {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
  background: var(--bg);
}

::-webkit-scrollbar-track {
  background: var(--surface);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-dim), var(--surface-3));
  border-radius: 4px;
  border: 2px solid var(--surface);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-dim);
}

/* ── Skip Link ───────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  padding: 12px 24px;
  background: var(--accent);
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
  border-radius: 8px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

/* ── Keyframes ───────────────────────────────────────────── */
@keyframes pageReveal {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

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

@keyframes atmosphereShift {
  0% {
    opacity: 0.6;
    transform: scale(1);
  }

  100% {
    opacity: 1;
    transform: scale(1.05);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }

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

@keyframes shimmerSweep {
  0% {
    transform: translateX(-150%) skewX(-12deg);
  }

  100% {
    transform: translateX(350%) skewX(-12deg);
  }
}

@keyframes titleShimmer {

  0%,
  40% {
    background-position: 0% 50%;
  }

  60%,
  100% {
    background-position: 100% 50%;
  }
}

@keyframes glowPulse {

  0%,
  100% {
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.08);
  }

  50% {
    box-shadow: 0 0 48px rgba(34, 211, 238, 0.20);
  }
}

@keyframes lineGrow {
  from {
    width: 0;
    opacity: 0;
  }

  to {
    width: 80px;
    opacity: 0.5;
  }
}

@keyframes floatY {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-8px);
  }
}

@keyframes arrowBounce {
  0% {
    transform: translateY(0) rotate(-45deg);
  }

  100% {
    transform: translateY(8px) rotate(-45deg);
  }
}

@keyframes scanLine {
  0% {
    left: -10%;
    opacity: 0;
  }

  10% {
    opacity: 1;
  }

  90% {
    opacity: 1;
  }

  100% {
    left: 110%;
    opacity: 0;
  }
}

@keyframes dropdownOpen {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(-4px);
  }

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

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
  background: rgba(10, 10, 11, 0.80);
  backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 72px;
  display: flex;
  align-items: center;
  transition: background 0.3s, box-shadow 0.3s;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  height: 72px;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  text-decoration: none;
  margin-right: 48px;
  white-space: nowrap;
  position: relative;
  transition: color 0.25s;
}

.logo::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--light-gold));
  border-radius: 1px;
  transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.logo:hover {
  color: var(--accent);
}

.logo:hover::after {
  width: 100%;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2px;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-links li {
  position: relative;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  display: inline-block;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 14px;
  bottom: 4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--light-gold));
  border-radius: 1px;
  transition: width 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(34, 211, 238, 0.06);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: calc(100% - 28px);
}

.nav-links a.active {
  color: var(--accent);
  background: rgba(34, 211, 238, 0.08);
  font-weight: 700;
}

/* Dropdown */
.dropdown-menu {
  display: none;
  position: absolute;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-width: 210px;
  top: 100%;
  left: 0;
  margin-top: 6px;
  z-index: 100;
  padding: 6px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(14, 165, 233, 0.04);
  transform-origin: top left;
  animation: dropdownOpen 0.18s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.dropdown-menu::after {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 0;
  right: 0;
  height: 10px;
}

.dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-menu li a {
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 6px;
  transition: all 0.15s;
  position: relative;
  overflow: hidden;
}

.dropdown-menu li a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  bottom: 50%;
  width: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: top 0.2s, bottom 0.2s;
}

.dropdown-menu li a:hover {
  color: var(--accent);
  background: rgba(34, 211, 238, 0.06);
}

.dropdown-menu li a:hover::before {
  top: 10%;
  bottom: 10%;
}

/* Luxury navbar underline */
.luxury-navbar-underline {
  height: 1px;
  background: linear-gradient(90deg,
      transparent 0%, rgba(34, 211, 238, 0.3) 20%,
      rgba(34, 211, 238, 0.6) 50%, rgba(34, 211, 238, 0.3) 80%,
      transparent 100%);
  position: relative;
  overflow: hidden;
}

.luxury-navbar-underline::after {
  content: '';
  position: absolute;
  top: 0;
  height: 100%;
  width: 80px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.7), transparent);
  animation: scanLine 5s ease-in-out infinite;
  animation-delay: 3s;
}

/* ── Hamburger ───────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  margin-left: 16px;
  padding: 0;
  border: none;
  background: transparent;
  gap: 0;
  position: relative;
  border-radius: 8px;
  transition: background 0.2s;
}

.hamburger:hover {
  background: rgba(34, 211, 238, 0.08);
}

.hamburger span {
  display: block;
  height: 1.5px;
  width: 20px;
  background: var(--text);
  border-radius: 2px;
  position: absolute;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.2s, width 0.3s;
}

.hamburger span:nth-child(1) {
  transform: translateY(-6px);
}

.hamburger span:nth-child(2) {
  width: 14px;
}

.hamburger span:nth-child(3) {
  transform: translateY(6px);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(0) rotate(45deg);
  width: 20px;
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
  transform: translateY(0) rotate(-45deg);
}

/* ── Hero ────────────────────────────────────────────────── */
.luxury-hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  overflow: hidden;
  padding: 100px 24px 80px;
  z-index: 1;
}

.luxury-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Multi-layer atmospheric glow */
.luxury-hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 60% at 50% 10%,
      rgba(34, 211, 238, 0.09) 0%, transparent 65%),
    radial-gradient(ellipse 50% 40% at 15% 80%,
      rgba(8, 145, 178, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 40% 35% at 85% 70%,
      rgba(34, 211, 238, 0.04) 0%, transparent 50%);
  animation: atmosphereShift 14s ease-in-out infinite alternate;
}

/* Geometric grid */
.luxury-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 30%, black 20%, transparent 100%);
}

/* SVG flourishes — visible and animated */
.gold-flourish {
  display: block !important;
  position: absolute;
  width: 280px;
  height: 280px;
  color: rgba(34, 211, 238, 0.06);
  animation: floatY 8s ease-in-out infinite;
}

.gold-flourish.left {
  left: -60px;
  top: 5%;
  animation-delay: 0s;
}

.gold-flourish.right {
  right: -60px;
  bottom: 10%;
  animation-delay: 3s;
}

.gold-flourish path {
  stroke-width: 3;
}

/* Particle constellation */
.gold-particles {
  display: block !important;
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle 1.5px at 15% 25%, rgba(34, 211, 238, 0.45) 0%, transparent 100%),
    radial-gradient(circle 1px at 75% 15%, rgba(34, 211, 238, 0.35) 0%, transparent 100%),
    radial-gradient(circle 2px at 85% 55%, rgba(34, 211, 238, 0.25)0%, transparent 100%),
    radial-gradient(circle 1px at 30% 70%, rgba(34, 211, 238, 0.30) 0%, transparent 100%),
    radial-gradient(circle 1.5px at 60% 80%, rgba(34, 211, 238, 0.20) 0%, transparent 100%),
    radial-gradient(circle 1px at 45% 40%, rgba(103, 232, 249, 0.35) 0%, transparent 100%),
    radial-gradient(circle 2px at 90% 30%, rgba(34, 211, 238, 0.20) 0%, transparent 100%);
  animation: atmosphereShift 20s ease-in-out infinite alternate;
}

.luxury-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.hero-crest-glass {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* Shimmer sweep on hero titles */
.crest-shimmer {
  display: block !important;
  position: absolute;
  inset: -20px;
  pointer-events: none;
  z-index: 10;
  overflow: hidden;
}

.crest-shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(103, 232, 249, 0.12), transparent);
  transform: translateX(-150%) skewX(-12deg);
  animation: shimmerSweep 5s ease-in-out infinite;
  animation-delay: 2s;
}

/* ── Hero Typography ─────────────────────────────────────── */
.conference-title,
.about-hero-title,
.committee-hero-title,
.topics-hero-title,
.submissions-hero-title,
.hotel-hero-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.8rem, 10vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.0;
  margin: 0 0 8px;
  background: linear-gradient(135deg,
      var(--text) 0%, rgba(250, 250, 250, 0.95) 35%,
      var(--accent) 50%, rgba(139, 92, 246, 0.8) 75%, var(--text) 100%);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: titleShimmer 8s ease-in-out infinite;
}

.conference-tagline,
.about-hero-intro,
.committee-hero-intro,
.topics-hero-intro,
.submissions-hero-intro,
.hotel-hero-intro {
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  font-size: 1.15rem;
  font-weight: 400;
  margin: 0;
  letter-spacing: 0.01em;
  max-width: 500px;
  line-height: 1.65;
  animation: fadeInUp 1s ease both;
  animation-delay: 0.3s;
}

.hero-details {
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease both;
  animation-delay: 0.45s;
}

.hero-details .conference-date-location {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 9px 20px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.hero-details .conference-date-location::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.06), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.hero-details .conference-date-location:hover {
  border-color: var(--border-lit);
  color: var(--accent);
}

.hero-details .conference-date-location:hover::before {
  opacity: 1;
}

.hero-details .conference-date-location i {
  color: var(--accent);
  font-size: 0.85em;
}

/* ── Registration Button ─────────────────────────────────── */
.registration-btn,
.luxury-btn.registration-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--light-gold) 100%);
  color: var(--bg);
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  padding: 16px 40px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  letter-spacing: 0.03em;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(34, 211, 238, 0.25),
    0 1px 0 rgba(255, 255, 255, 0.15) inset;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease;
  animation: fadeInUp 1s ease both;
  animation-delay: 0.55s;
}

.registration-btn::before,
.luxury-btn.registration-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  transform: skewX(-15deg);
  transition: left 0.5s ease;
}

.registration-btn:hover,
.luxury-btn.registration-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 40px rgba(34, 211, 238, 0.45),
    0 0 0 1px rgba(34, 211, 238, 0.3),
    0 1px 0 rgba(255, 255, 255, 0.15) inset;
  color: var(--bg);
}

.registration-btn:hover::before,
.luxury-btn.registration-btn:hover::before {
  left: 130%;
}

.luxury-btn.registration-btn::after {
  display: none;
}

.hero-quote,
.luxury-quote,
.luxury-quote.hero-quote {
  font-family: 'Inter', sans-serif;
  color: var(--text-dim);
  font-size: 0.95rem;
  font-style: italic;
  text-align: center;
  margin: 0;
  letter-spacing: 0.03em;
  animation: fadeInUp 1s ease both;
  animation-delay: 0.65s;
}

/* ── Highlights Bar ──────────────────────────────────────── */
.luxury-highlights-bar {
  position: relative;
  z-index: 2;
  margin-top: 48px;
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 740px;
  width: 100%;
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: fadeInUp 1s ease both;
  animation-delay: 0.75s;
  box-shadow: var(--shadow-glow);
}

.luxury-highlights-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
      transparent, var(--accent-dim), var(--accent), var(--accent-dim), transparent);
  opacity: 0.5;
}

.luxury-highlights-bar .highlight-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 28px;
  flex: 1;
  min-width: 0;
  border-right: 1px solid var(--border);
  transition: background 0.3s;
  position: relative;
  overflow: hidden;
}

.luxury-highlights-bar .highlight-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 100%,
      rgba(34, 211, 238, 0.06), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}

.luxury-highlights-bar .highlight-item:last-child {
  border-right: none;
}

.luxury-highlights-bar .highlight-item:hover {
  background: rgba(34, 211, 238, 0.04);
}

.luxury-highlights-bar .highlight-item:hover::after {
  opacity: 1;
}

.luxury-highlights-bar .highlight-item i {
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.3s;
  position: relative;
  z-index: 1;
}

.luxury-highlights-bar .highlight-item:hover i {
  transform: scale(1.15);
}

.luxury-highlights-bar .highlight-label {
  font-family: 'Inter', sans-serif;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 3px;
  position: relative;
  z-index: 1;
}

.luxury-highlights-bar .highlight-value {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

/* ── Sub-page Hero sizes ─────────────────────────────────── */
.about-hero.luxury-hero,
.committee-hero.luxury-hero,
.topics-hero.luxury-hero,
.submissions-hero.luxury-hero,
.hotel-hero.luxury-hero {
  min-height: 44vh;
  padding: 72px 24px 48px;
}

/* ── Glass Main Containers ───────────────────────────────── */
.about-main-glass,
.committee-main-glass,
.topics-main-glass,
.submissions-main-glass,
.hotel-main-glass {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  padding: 52px 48px;
  margin: 0 auto 52px;
  max-width: 1140px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.about-main-glass::before,
.committee-main-glass::before,
.topics-main-glass::before,
.submissions-main-glass::before,
.hotel-main-glass::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.25), transparent);
}

/* ── Home Page ───────────────────────────────────────────── */
.main-content.home-main {
  position: relative;
  z-index: 2;
  padding: 64px 28px 80px;
}

.main-content .wrap {
  max-width: 960px;
  margin: 0 auto;
}

.main-content .block {
  margin-bottom: 64px;
}

.main-content .block:last-child {
  margin-bottom: 0;
}

.main-content .lead {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-muted);
  text-align: center;
  margin: 0;
}

.main-content .section-head {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin: 0 0 32px;
  letter-spacing: -0.02em;
}

.key-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.key-link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.key-link-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent), var(--light-gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.key-link-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 100%, rgba(34, 211, 238, 0.06), transparent 70%);
  opacity: 0;
  transition: opacity 0.35s;
}

.key-link-card:hover {
  border-color: rgba(34, 211, 238, 0.2);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(34, 211, 238, 0.08);
  color: var(--text);
}

.key-link-card:hover::before {
  transform: scaleX(1);
}

.key-link-card:hover::after {
  opacity: 1;
}

.key-link-icon {
  font-size: 1.85rem;
  color: var(--accent);
  margin-bottom: 14px;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), color 0.2s;
  position: relative;
  z-index: 1;
}

.key-link-card:hover .key-link-icon {
  transform: translateY(-3px) scale(1.1);
  color: var(--light-gold);
}

.key-link-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 7px;
  position: relative;
  z-index: 1;
  transition: color 0.2s;
}

.key-link-card:hover .key-link-title {
  color: var(--accent);
}

.key-link-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  opacity: 0.85;
  line-height: 1.5;
  position: relative;
  z-index: 1;
}

.cta-block .cta-wrap {
  text-align: center;
  padding: 48px 32px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.cta-block .cta-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 110%, rgba(34, 211, 238, 0.06), transparent 70%);
  pointer-events: none;
}

.cta-text {
  font-size: 1rem;
  color: var(--text-muted);
  margin: 0 0 28px;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: transparent;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  border-color: var(--border-lit);
  color: var(--accent);
  background: rgba(34, 211, 238, 0.05);
  transform: translateY(-2px);
}

/* ── About ───────────────────────────────────────────────── */
.about-gallery-banner {
  width: 100%;
  margin: 0 auto 44px;
  display: flex;
  justify-content: center;
}

.about-gallery {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 28px;
  width: 100%;
  max-width: 820px;
  justify-content: center;
}

.about-gallery-img {
  width: 350px;
  height: 220px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.45s ease, filter 0.45s;
  filter: brightness(0.88) saturate(0.9);
}

.about-gallery-img:hover {
  transform: scale(1.04) rotate(-0.8deg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(34, 211, 238, 0.15), 0 0 40px rgba(34, 211, 238, 0.08);
  filter: brightness(1) saturate(1.1);
}

.about-gallery-divider {
  width: 1px;
  height: 130px;
  background: linear-gradient(180deg, transparent, rgba(34, 211, 238, 0.4), transparent);
}

/* About page: highlights bar under hero */
.about-highlights {
  margin-top: 32px;
  margin-bottom: 24px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* Section heading before bento cards */
.about-cards-heading {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin: 48px 0 28px;
  letter-spacing: -0.02em;
}

/* ── 20 Years TMRS Celebration ───────────────────────────── */
.tmrs-celebration-section {
  margin-bottom: 60px;
}

.tmrs-glass-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.04) 0%, rgba(255, 215, 0, 0.02) 100%);
  border: 1px solid rgba(255, 215, 0, 0.15);
  border-radius: 28px;
  padding: 56px 48px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.tmrs-glass-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 15%;
  right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.5), transparent);
}

@media (min-width: 900px) {
  .tmrs-glass-panel {
    flex-direction: row;
    align-items: center;
  }
}

.tmrs-content {
  flex: 1.3;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tmrs-tag {
  align-self: flex-start;
  font-family: 'Outfit', sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--bg);
  background: linear-gradient(135deg, var(--light-gold), #f59e0b);
  padding: 6px 16px;
  border-radius: 50px;
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
}

.tmrs-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0;
  background: linear-gradient(135deg, var(--text) 0%, var(--light-gold) 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tmrs-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
}

/* ── TMRS Image Showcase: Gold Ring Frame ─────────────────── */
.tmrs-image-container {
  flex: 0 0 auto;
  width: 320px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

/* Animated golden border glow around the image */
.tmrs-image-container::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  padding: 2px;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.6), rgba(14, 165, 233, 0.4), rgba(255, 215, 0, 0.6));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  animation: border-glow-rotate 6s linear infinite;
  background-size: 200% 200%;
}

@keyframes border-glow-rotate {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.tmrs-image-container::after {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 32px;
  background: radial-gradient(ellipse at 50% 50%, rgba(255, 215, 0, 0.1), rgba(14, 165, 233, 0.06) 50%, transparent 75%);
  filter: blur(20px);
  z-index: -1;
  animation: pulse-backdrop 4s ease-in-out infinite alternate;
}

.tmrs-image-backdrop {
  position: absolute;
  inset: -20px;
  border-radius: 24px;
  background: radial-gradient(ellipse at 50% 50%, rgba(255, 215, 0, 0.1) 0%, rgba(14, 165, 233, 0.06) 50%, transparent 75%);
  filter: blur(20px);
  animation: pulse-backdrop 4s ease-in-out infinite alternate;
  z-index: -1;
}

@keyframes pulse-backdrop {
  0% {
    opacity: 0.6;
    transform: scale(0.95);
  }

  100% {
    opacity: 1;
    transform: scale(1.05);
  }
}

.tmrs-logo-img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 18px;
  border: 2px solid rgba(255, 215, 0, 0.3);
  box-shadow:
    0 0 0 6px rgba(255, 215, 0, 0.04),
    0 0 40px rgba(255, 215, 0, 0.18),
    0 0 80px rgba(14, 165, 233, 0.08);
  animation: logo-float 5s ease-in-out infinite;
  display: block;
  background: transparent;
}

@keyframes logo-float {
  0% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-12px);
  }

  100% {
    transform: translateY(0px);
  }
}

/* ── About Bento Grid ───────────────────────────────────────*/
.about-bento-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto;
  gap: 20px;
  max-width: 960px;
  margin: 0 auto 48px;
}

/* Welcome spans full width */
.bento-welcome {
  grid-column: 1 / -1;
}

/* Venue and Highlights share a row */
.bento-venue {
  grid-column: 1 / 2;
}

.bento-highlights {
  grid-column: 2 / 3;
}

/* Program and Join Us share the third row */
.bento-program {
  grid-column: 1 / 2;
}

.bento-join {
  grid-column: 2 / 3;
}

@media (max-width: 700px) {
  .about-bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-welcome,
  .bento-venue,
  .bento-highlights,
  .bento-program,
  .bento-join {
    grid-column: 1 / -1;
  }
}



.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid rgba(34, 211, 238, 0.3);
  border-radius: var(--radius-sm);
  padding: 32px 36px;
  color: var(--text);
  position: relative;
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s, border-left-color 0.3s;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-dim), rgba(34, 211, 238, 0.4), transparent);
  opacity: 0.4;
}

.about-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 0% 50%, rgba(34, 211, 238, 0.04), transparent 60%);
  opacity: 0;
  transition: opacity 0.35s;
}

.about-card:hover {
  transform: translateX(6px);
  border-left-color: var(--accent);
  box-shadow: -4px 0 24px rgba(34, 211, 238, 0.08), 0 8px 32px rgba(0, 0, 0, 0.4);
}

.about-card:hover::after {
  opacity: 1;
}

.about-card-title {
  font-family: 'Outfit', sans-serif;
  color: var(--accent);
  font-size: 1.3rem;
  margin: 0 0 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  position: relative;
  z-index: 1;
}

.about-card p {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.78;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.about-card p:last-child {
  margin-bottom: 0;
}

.about-card-special {
  border-left-color: var(--accent);
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
}

.about-card-special .about-card-title {
  color: var(--light-gold);
}

/* ── Committee Cards ─────────────────────────────────────── */
.committee-section {
  max-width: 960px;
  margin: 0 auto 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.committee-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  justify-content: center;
  margin-top: 36px;
}

.committee-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px 32px;
  color: var(--text);
  text-align: center;
  width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s, border-color 0.3s;
}

.committee-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), var(--accent), var(--light-gold), var(--accent), transparent);
  background-size: 300% 100%;
  transition: background-position 0.6s;
}

.committee-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(34, 211, 238, 0.06), transparent 65%);
  opacity: 0;
  transition: opacity 0.4s;
}

.committee-card:hover {
  transform: translateY(-12px) scale(1.02);
  border-color: rgba(34, 211, 238, 0.25);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(34, 211, 238, 0.1), 0 0 60px rgba(34, 211, 238, 0.07);
}

.committee-card:hover::before {
  background-position: 100% 0;
}

.committee-card:hover::after {
  opacity: 1;
}

.committee-img {
  width: 110px;
  height: 110px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid rgba(34, 211, 238, 0.2);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5), 0 0 0 4px rgba(34, 211, 238, 0.04);
  margin-bottom: 20px;
  transition: border-color 0.3s, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s;
  position: relative;
  z-index: 1;
}

.committee-card:hover .committee-img {
  border-color: var(--accent);
  transform: scale(1.07);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 4px rgba(34, 211, 238, 0.08), 0 0 24px rgba(34, 211, 238, 0.12);
}

.committee-role {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: linear-gradient(90deg, var(--accent), var(--light-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.committee-role::after {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  margin: 8px auto 0;
  opacity: 0.5;
}

.committee-title {
  font-family: 'Outfit', sans-serif;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
  position: relative;
  z-index: 1;
  transition: color 0.2s;
}

.committee-card:hover .committee-title {
  color: var(--accent);
}

.committee-bio {
  text-align: center;
  width: 100%;
}

.committee-bio .committee-title {
  margin-bottom: 12px;
  color: var(--accent);
}

.committee-bio p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
}

/* ── Interactive Flip Card ───────────────────────────────── */
.interactive-card {
  perspective: 1200px;
  cursor: pointer;
  outline: none;
  position: relative;
  min-height: 320px;
}

.card-face {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  backface-visibility: hidden;
  transition: transform 0.6s cubic-bezier(.4, 1.4, .6, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.card-front {
  z-index: 2;
  background: transparent;
}

.card-back {
  transform: rotateY(180deg);
  background: var(--surface-2);
  border-radius: 20px;
  padding: 32px 20px;
  z-index: 3;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.interactive-card.flipped .card-front {
  transform: rotateY(180deg);
  z-index: 1;
}

.interactive-card.flipped .card-back {
  transform: rotateY(0deg);
  z-index: 2;
}

/* ── Scientific List ─────────────────────────────────────── */
.scientific-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 32px;
  margin: 36px auto 0;
  max-width: 960px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
  list-style: none;
  box-shadow: var(--shadow-glow);
  position: relative;
  overflow: hidden;
}

.scientific-list::before {
  content: '';
  position: absolute;
  top: 0;
  left: 15%;
  right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.25;
}

.scientific-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface-2);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 14px 20px;
  transition: all 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}

.scientific-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-dim), var(--accent));
  border-radius: 1px;
  opacity: 0;
  transition: opacity 0.25s;
}

.scientific-list li:hover {
  background: rgba(34, 211, 238, 0.04);
  border-color: rgba(34, 211, 238, 0.12);
  transform: translateX(5px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.scientific-list li:hover::before {
  opacity: 1;
}

.scientific-list .member-name {
  font-family: 'Outfit', sans-serif;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  flex: 1;
  letter-spacing: -0.01em;
  background: none;
  -webkit-text-fill-color: var(--text);
  transition: color 0.2s;
}

.scientific-list li:hover .member-name {
  color: var(--accent);
}

.scientific-list .member-country {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  background: var(--surface-3);
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
  border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}

.scientific-list li:hover .member-country {
  border-color: rgba(34, 211, 238, 0.2);
  color: var(--accent);
}

.scientific-list .member-country::before {
  display: none;
}

/* ── Organizing Committee ────────────────────────────────── */
.organizing-committee-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
  max-width: 100%;
  width: 100%;
}

.organizing-member {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.organizing-member::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 100%, rgba(34, 211, 238, 0.05), transparent 70%);
  opacity: 0;
  transition: opacity 0.35s;
}

.organizing-member::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.35s;
}

.organizing-member:hover {
  transform: translateY(-5px);
  border-color: rgba(34, 211, 238, 0.18);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(34, 211, 238, 0.06);
}

.organizing-member:hover::before,
.organizing-member:hover::after {
  opacity: 1;
}

.member-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--accent-dim), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(34, 211, 238, 0.2);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s;
  position: relative;
  z-index: 1;
  margin: 0 auto;
}

.member-icon i {
  font-size: 1.2rem;
  color: var(--bg);
}

.organizing-member:hover .member-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 28px rgba(34, 211, 238, 0.35);
}

.member-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
  align-items: center;
  position: relative;
  z-index: 1;
}

.member-name {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  margin: 0;
  background: none;
  -webkit-text-fill-color: var(--text);
  transition: color 0.25s;
}

.organizing-member:hover .member-name {
  color: var(--accent);
}

.member-role {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0;
  transition: color 0.25s;
}

/* ── Topics ──────────────────────────────────────────────── */
.topics-header {
  text-align: center;
  margin-bottom: 52px;
}

.topics-title {
  font-family: 'Outfit', sans-serif;
  font-size: 2.4rem;
  margin: 0 0 10px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent), var(--light-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.topics-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.topics-container {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.topic-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s, border-color 0.3s;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.topic-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), var(--accent), transparent);
  opacity: 0.4;
  transition: opacity 0.3s;
}

.topic-category:hover {
  border-color: rgba(34, 211, 238, 0.18);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(34, 211, 238, 0.07), 0 0 50px rgba(34, 211, 238, 0.05);
}

.topic-category:hover::before {
  opacity: 0.8;
}

.topic-header,
.luxury-topic-header {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.08) 0%, rgba(8, 145, 178, 0.04) 100%);
  border-bottom: 1px solid var(--border);
  padding: 28px 36px;
  display: flex;
  align-items: center;
  gap: 22px;
  position: relative;
}

.topic-header::before,
.luxury-topic-header::before {
  display: none !important;
  content: none !important;
}

.topic-header.luxury-topic-header {
  border-left: 3px solid rgba(34, 211, 238, 0.4);
}

.topic-icon,
.luxury-icon {
  width: 58px;
  height: 58px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.55rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.topic-category:hover .topic-icon,
.topic-category:hover .luxury-icon {
  border-color: rgba(34, 211, 238, 0.3);
  transform: scale(1.08) rotate(-3deg);
  box-shadow: 0 6px 24px rgba(34, 211, 238, 0.15);
  background: rgba(34, 211, 238, 0.06);
}

.topic-icon i,
.luxury-icon i {
  color: var(--accent);
  z-index: 2;
}

.icon-shimmer {
  display: none;
}

.topic-main,
.luxury-topic-title {
  font-family: 'Outfit', sans-serif;
  color: var(--text);
  font-size: 1.55rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
  text-shadow: none !important;
  filter: none !important;
  transition: color 0.25s;
}

.topic-category:hover .topic-main,
.topic-category:hover .luxury-topic-title {
  color: var(--accent);
}

.topic-content,
.luxury-topic-content {
  padding: 28px 36px;
}

.subtopics-grid,
.luxury-subtopics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}

.subtopic-item,
.luxury-subtopic {
  background: var(--surface-2);
  border-radius: 10px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid transparent;
  transition: all 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}

.subtopic-item::after,
.luxury-subtopic::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-dim), var(--accent));
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.subtopic-item:hover,
.luxury-subtopic:hover {
  background: rgba(34, 211, 238, 0.05);
  border-color: rgba(34, 211, 238, 0.12);
  transform: translateX(5px);
}

.subtopic-item:hover::after,
.luxury-subtopic:hover::after {
  transform: scaleY(1);
}

.subtopic-icon {
  width: 38px;
  height: 38px;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.28s;
}

.subtopic-item:hover .subtopic-icon,
.luxury-subtopic:hover .subtopic-icon {
  border-color: rgba(34, 211, 238, 0.25);
  background: rgba(34, 211, 238, 0.07);
}

.subtopic-icon i {
  font-size: 1rem;
  color: var(--accent);
}

.subtopic-text,
.subtopic-item span,
.luxury-subtopic span {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--text-muted);
  line-height: 1.45;
  transition: color 0.2s;
}

.subtopic-item:hover span,
.luxury-subtopic:hover span {
  color: var(--text);
}

.subtopic-shimmer {
  display: none;
}

/* Luxury topics overrides */
.luxury-section-header {
  text-align: center;
  margin-bottom: 48px;
}

.luxury-gradient-title {
  font-family: 'Outfit', sans-serif;
  color: var(--text);
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.title-shimmer {
  display: none;
}

.luxury-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.luxury-topics-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.luxury-topic-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.luxury-topic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), var(--accent), transparent);
  opacity: 0.4;
}

.luxury-topic-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.18);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5), 0 0 50px rgba(34, 211, 238, 0.05);
}

/* ── Submissions ─────────────────────────────────────────── */
.submissions-lead {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin: 0 0 32px;
}

.submissions-lead strong {
  color: var(--text);
}

.important-dates-section,
.registration-fees-section {
  margin-bottom: 48px;
}

.section-title,
h2.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  margin-top: 0;
  text-align: center;
  background: none;
  -webkit-text-fill-color: var(--text);
}

.section-title::after,
h2.section-title::after {
  content: '';
  display: block;
  margin: 14px auto 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent), var(--light-gold));
  border-radius: 1px;
  opacity: 0.6;
  animation: lineGrow 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards 0.2s;
}

.important-dates-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.date-card.luxury-glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 28px 24px 24px;
  text-align: center;
  min-width: 180px;
  max-width: 220px;
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.date-card.luxury-glass-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.date-card.luxury-glass-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 110%, rgba(34, 211, 238, 0.07), transparent 70%);
  opacity: 0;
  transition: opacity 0.35s;
}

.date-card.luxury-glass-card:hover {
  border-color: rgba(34, 211, 238, 0.18);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(34, 211, 238, 0.06);
}

.date-card.luxury-glass-card:hover::before {
  transform: scaleX(1);
}

.date-card.luxury-glass-card:hover::after {
  opacity: 1;
}

.date-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  line-height: 1.5;
}

.date-value {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  color: var(--accent);
  margin-top: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* ── Submissions: Registration Pricing Cards ──────────────── */
.registration-fees-section {
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-top: -30px;
  margin-bottom: 52px;
}

.pricing-grid {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.pricing-category-title {
  font-family: 'Outfit', sans-serif;
  color: var(--text);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 30px;
  text-align: center;
  letter-spacing: -0.02em;
}

.pricing-cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.international-grid {
  grid-template-columns: minmax(300px, 400px);
  justify-content: center;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s, border-color 0.3s;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: rgba(34, 211, 238, 0.25);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(34, 211, 238, 0.1);
}

.featured-card {
  border-color: rgba(34, 211, 238, 0.3);
  box-shadow: 0 8px 32px rgba(34, 211, 238, 0.08);
  background: linear-gradient(145deg, rgba(34, 211, 238, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
}

.featured-card:hover {
  border-color: var(--accent);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(34, 211, 238, 0.2), 0 0 60px rgba(34, 211, 238, 0.1);
}

.popular-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, var(--accent), var(--light-gold));
  color: var(--bg);
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(34, 211, 238, 0.3);
}

.pricing-header {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.pricing-header h4 {
  font-family: 'Outfit', sans-serif;
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 16px;
}

.pricing-header .price {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.pricing-header .price span {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--accent), var(--light-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-header .price-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.pricing-features li i {
  color: var(--accent);
  font-size: 0.85rem;
  margin-top: 4px;
}

.pricing-addons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.addon-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50px;
  padding: 10px 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.addon-item strong {
  color: var(--text);
  font-weight: 600;
  margin-left: 6px;
}

/* ── Important Dates Timeline ────────────────────────────── */
.dates-timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto 64px;
  position: relative;
}

.dates-timeline::before {
  content: '';
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 32px;
  width: 2px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.timeline-item {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 32px;
  position: relative;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform 0.3s, border-color 0.3s;
}

.timeline-item:hover {
  transform: translateX(8px);
  border-color: rgba(34, 211, 238, 0.2);
}

.timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--surface-3);
  border: 2px solid var(--border);
  position: absolute;
  left: 27px;
  /* Matches line position */
  z-index: 2;
  transition: all 0.3s;
}

.timeline-item:hover .timeline-dot {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow-strong);
}

.timeline-dot.highlight-dot {
  background: var(--accent);
  border-color: var(--light-gold);
  box-shadow: 0 0 16px rgba(34, 211, 238, 0.5);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.4);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(34, 211, 238, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(34, 211, 238, 0);
  }
}

.timeline-content {
  margin-left: 36px;
  display: flex;
  flex-direction: row;
  align-items: baseline;
  justify-content: space-between;
  width: 100%;
  gap: 20px;
}

.timeline-content .date-value {
  font-family: 'Outfit', sans-serif;
  color: var(--accent);
  font-size: 1.15rem;
  font-weight: 700;
  min-width: 160px;
}

.timeline-content .date-label {
  color: var(--text-muted);
  font-size: 1.05rem;
  flex: 1;
}

.timeline-content .highlight-label {
  color: var(--text);
  font-weight: 600;
}

@media (max-width: 768px) {
  .timeline-content {
    flex-direction: column;
    gap: 8px;
  }
}

/* ── Submissions Call To Action ──────────────────────────── */
/* ── Submission Guidelines ───────────────────────────────── */
.submission-guidelines-section {
  padding: 24px 0;
}

.guidelines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.guideline-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 36px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform 0.3s, border-color 0.3s;
}

.guideline-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.2);
}

.guideline-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.08), rgba(34, 211, 238, 0.02));
  border: 1px solid rgba(34, 211, 238, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent);
}

.guideline-card h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.guideline-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ── Publication Opportunities ───────────────────────────── */
.publication-section {
  padding: 16px 0 32px;
}

.publication-glass-panel {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 40px 48px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.03), rgba(255, 215, 0, 0.02));
  border: 1px solid rgba(255, 215, 0, 0.12);
  border-radius: 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.pub-icon {
  font-size: 2.4rem;
  color: var(--light-gold);
  flex-shrink: 0;
  margin-top: 4px;
}

.pub-badge {
  align-self: flex-start;
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--bg);
  background: linear-gradient(135deg, var(--light-gold), #f59e0b);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.pub-body h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.pub-body p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
}

.pub-body p strong {
  color: var(--text);
}

.submissions-cta-area {
  margin-top: 32px;
  margin-bottom: 24px;
}



.cta-glass-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid rgba(34, 211, 238, 0.15);
  border-radius: 24px;
  padding: 48px 56px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.cta-content h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.cta-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin: 0;
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.abstract-download-btn.outline {
  background: transparent;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}

.abstract-download-btn.outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text);
}

.register-btn.solid {
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.25);
}

@media (max-width: 900px) {
  .cta-glass-panel {
    flex-direction: column;
    text-align: center;
    padding: 40px 32px;
  }

  .cta-actions {
    justify-content: center;
  }
}

.abstract-download-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 44px 0 0;
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
}

.abstract-download-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.3;
}

.abstract-download-banner {
  font-family: 'Outfit', sans-serif;
  color: var(--text);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 4px;
  text-align: center;
  letter-spacing: -0.02em;
}

.abstract-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  color: var(--accent);
  font-size: 0.94rem;
  font-weight: 600;
  padding: 14px 32px;
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: 50px;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}

.abstract-download-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.12), transparent);
  transform: skewX(-15deg);
  transition: left 0.5s;
}

.abstract-download-btn i {
  font-size: 1.1em;
}

.abstract-download-btn:hover {
  background: rgba(34, 211, 238, 0.1);
  border-color: var(--accent);
  color: var(--light-gold);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(34, 211, 238, 0.2);
}

.abstract-download-btn:hover::before {
  left: 130%;
}

.register-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--bg);
  background: linear-gradient(135deg, var(--accent), var(--light-gold));
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: none;
  border-radius: 50px;
  padding: 15px 40px;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(34, 211, 238, 0.25);
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}

.register-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-15deg);
  transition: left 0.5s;
}

.register-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 40px rgba(34, 211, 238, 0.45);
  color: var(--bg);
}

.register-btn:hover::before {
  left: 130%;
}

/* ── Hotel ───────────────────────────────────────────────── */
.hotel-highlights {
  margin-top: 32px;
  margin-bottom: 24px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.hotel-editorial-layout {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 0 64px;
}

@media (min-width: 992px) {
  .hotel-editorial-layout {
    flex-direction: row;
    align-items: center;
  }
}

.hotel-visuals {
  flex: 1.25;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hotel-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 720px;
  border-radius: 20px;
  z-index: 1;
}

.hotel-image-wrapper::before {
  content: '';
  position: absolute;
  inset: -12px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.4), rgba(255, 255, 255, 0.05));
  border-radius: 28px;
  z-index: -1;
  filter: blur(12px);
  opacity: 0.6;
}

.hotel-main-image {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  filter: brightness(0.9) saturate(1.1);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), filter 0.5s;
}

.hotel-main-image:hover {
  transform: scale(1.02);
  filter: brightness(1) saturate(1.2);
}

.floating-amenity {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
  z-index: 3;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-10px);
  }

  100% {
    transform: translateY(0px);
  }
}

.top-right {
  top: 30px;
  right: -30px;
  animation-delay: 0s;
}

.bottom-left {
  bottom: 40px;
  left: -20px;
  animation-delay: 1.5s;
}

@media (max-width: 600px) {
  .top-right {
    right: 10px;
  }

  .bottom-left {
    left: 10px;
  }
}

.hotel-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 48px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.hotel-details::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.35), transparent);
}

.hotel-tag {
  align-self: flex-start;
  font-family: 'Outfit', sans-serif;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--bg);
  background: linear-gradient(135deg, var(--light-gold), var(--accent));
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hotel-title {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 8px;
}

.hotel-subtitle {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 20px;
}

.hotel-features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hotel-feature {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50px;
}

.hotel-feature i {
  color: var(--accent);
}

.hotel-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
}

.hotel-meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1rem;
  color: var(--text);
}

.meta-item i {
  color: var(--accent);
  font-size: 1.2rem;
}

.hotel-actions {
  display: flex;
}

.hotel-map-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, var(--accent), var(--light-gold));
  color: var(--bg);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 50px;
  padding: 16px 36px;
  text-decoration: none;
  box-shadow: 0 8px 30px rgba(34, 211, 238, 0.3);
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.hotel-map-btn:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 16px 40px rgba(34, 211, 238, 0.5);
  color: var(--bg);
}

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  padding: 52px 0 24px;
  text-align: center;
  position: relative;
  z-index: 10;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-dim), var(--accent), var(--accent-dim), transparent);
  opacity: 0.35;
}

.footer-content {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 0 32px;
}

.footer-logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-logo:hover {
  color: var(--accent);
}

.footer-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.footer-logo-img {
  height: auto;
  max-height: 52px;
  width: auto;
  object-fit: contain;
  opacity: 0.7;
  filter: grayscale(15%);
  transition: opacity 0.3s, filter 0.3s, transform 0.3s;
}

/* logo11 has more padding/smaller graphic – scale up so it matches others visually */
.footer-logos .footer-logo-img:first-child {
  max-height: 72px;
}

.footer-logo-img:hover {
  opacity: 1;
  filter: none;
  transform: scale(1.05);
}

.footer-links {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.88rem;
  padding: 6px 12px;
  border-radius: 8px;
  transition: all 0.2s;
}

.footer-links a:hover {
  color: var(--accent);
  background: rgba(34, 211, 238, 0.06);
}

.footer-divider {
  width: 36px;
  height: 1px;
  background: var(--border);
  margin: 4px auto;
}

.footer-copy {
  color: var(--text-dim);
  font-size: 0.82rem;
}

/* ── Back to Top ─────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  border: none;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(34, 211, 238, 0.35);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: scale(1.12) translateY(-3px);
  background: var(--light-gold);
  color: var(--bg);
  box-shadow: 0 10px 30px rgba(34, 211, 238, 0.5);
}

/* ── Scroll Reveal ───────────────────────────────────────── */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── Active Nav ──────────────────────────────────────────── */
.nav-links a.active {
  color: var(--accent);
  background: rgba(34, 211, 238, 0.07);
  font-weight: 700;
}

.nav-links a.active::after {
  width: calc(100% - 28px);
}

.dropdown>a.active {
  color: var(--accent);
}

/* ── Hero Highlights variant ────────────────────────────── */
.hero-highlights {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-highlights .highlight-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 28px;
  flex: 1;
  border-right: 1px solid var(--border);
  transition: background 0.25s;
}

.hero-highlights .highlight-item:last-child {
  border-right: none;
}

.hero-highlights .highlight-item:hover {
  background: rgba(34, 211, 238, 0.04);
}

.hero-highlights .highlight-item i {
  font-size: 1.4rem;
  color: var(--accent);
}

.hero-highlights .highlight-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 3px;
}

.hero-highlights .highlight-value {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 600;
}

/* ── Global Transitions ─────────────────────────────────── */
a,
.luxury-btn,
.committee-card,
.topic-category,
.subtopic-item,
.about-card,
.nav-links a,
.dropdown-menu a,
.highlight-item,
.registration-btn {
  transition: color 0.25s ease, background 0.25s ease,
    box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

button,
.hamburger span,
.back-to-top {
  transition: transform 0.25s ease, opacity 0.25s ease, background 0.25s ease;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1100px) {

  .about-main-glass,
  .committee-main-glass,
  .topics-main-glass,
  .submissions-main-glass,
  .hotel-main-glass {
    padding: 36px 28px;
  }
}

@media (max-width: 900px) {
  .navbar .container {
    padding: 0 20px;
  }

  .logo {
    font-size: 1.4rem;
    margin-right: 20px;
  }

  .luxury-hero {
    min-height: 70vh;
    padding: 80px 20px 60px;
  }

  .luxury-highlights-bar {
    flex-direction: column;
    max-width: 420px;
  }

  .luxury-highlights-bar .highlight-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .luxury-highlights-bar .highlight-item:last-child {
    border-bottom: none;
  }

  .scientific-list {
    grid-template-columns: 1fr;
    padding: 24px 16px;
  }

  .organizing-committee-list {
    grid-template-columns: 1fr;
  }

  .hotel-info-card.luxury-glass-card {
    flex-direction: column;
  }

  .hotel-image {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
  }

  .about-gallery {
    flex-direction: column;
  }

  .about-gallery-img {
    width: 88vw;
    max-width: 400px;
    height: 190px;
  }

  .about-gallery-divider {
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.4), transparent);
  }

  .fees-table.luxury-glass-card,
  .fees-table-inner {
    gap: 28px;
  }

  .topic-header,
  .luxury-topic-header {
    flex-direction: column;
    text-align: center;
    padding: 24px 20px;
  }

  .topic-main,
  .luxury-topic-title {
    font-size: 1.35rem;
  }

  .subtopics-grid,
  .luxury-subtopics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .navbar {
    height: auto;
  }

  .navbar .container {
    height: 64px;
    padding: 0 16px;
  }

  .nav-links {
    position: absolute;
    top: 65px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 11, 0.97);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 10px;
    display: none;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 14px;
    border-radius: 8px;
  }

  .dropdown-menu {
    position: static;
    min-width: 100%;
    box-shadow: none;
    margin-top: 0;
  }

  .hamburger {
    display: flex;
  }

  .luxury-hero {
    min-height: 52vh;
    padding: 60px 16px 40px;
  }

  .conference-title,
  .about-hero-title,
  .committee-hero-title,
  .topics-hero-title,
  .submissions-hero-title,
  .hotel-hero-title {
    font-size: clamp(1.9rem, 10vw, 3rem);
  }

  .about-main-glass,
  .committee-main-glass,
  .topics-main-glass,
  .submissions-main-glass,
  .hotel-main-glass {
    padding: 24px 16px;
    border-radius: 16px;
    margin: 12px 10px 32px;
  }

  .about-hero.luxury-hero,
  .committee-hero.luxury-hero,
  .topics-hero.luxury-hero,
  .submissions-hero.luxury-hero,
  .hotel-hero.luxury-hero {
    min-height: 32vh;
    padding: 44px 16px 28px;
  }

  .main-content.home-main {
    padding: 40px 16px 56px;
  }

  .key-links-grid {
    grid-template-columns: 1fr;
  }

  .committee-grid {
    flex-direction: column;
    align-items: center;
  }

  .committee-card {
    width: 88vw;
    max-width: 340px;
  }

  .cta-block .cta-wrap {
    padding: 32px 16px;
  }

  .abstract-download-section {
    padding: 28px 16px;
  }

  .important-dates-grid {
    gap: 12px;
  }

  .date-card.luxury-glass-card {
    min-width: calc(50% - 8px);
  }

  .footer-content {
    padding: 0 16px;
  }

  .interactive-card {
    min-height: 260px;
  }

  .gold-flourish {
    width: 160px;
    height: 160px;
  }
}

@media (max-width: 480px) {
  .hero-details {
    gap: 8px;
  }

  .hero-details .conference-date-location {
    font-size: 0.85rem;
    padding: 7px 14px;
  }

  .registration-btn,
  .luxury-btn.registration-btn {
    padding: 14px 28px;
    font-size: 0.88rem;
  }

  .date-card.luxury-glass-card {
    min-width: 100%;
  }

  .fees-table.luxury-glass-card,
  .fees-table-inner {
    padding: 20px 16px;
  }

  .scientific-list {
    padding: 16px 10px;
  }
}