/* ===== Variables ===== */
:root {
  --color-bg: #050608;
  --color-surface: #0c0e12;
  --color-surface-elevated: #12161d;
  --color-border: #1e2430;
  --color-text: #f0f2f5;
  --color-text-muted: #8892a0;
  --color-accent: #00d4aa;
  --color-accent-hover: #00f5c4;
  --color-accent-dim: rgba(0, 212, 170, 0.15);
  --color-cyan: #22d3ee;
  --color-gold: #fbbf24;
  --color-gold-muted: rgba(251, 191, 36, 0.2);
  --color-glow: rgba(0, 212, 170, 0.4);
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.2s ease;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.98); }
}

@keyframes floatSlow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-15px, -25px); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.7; }
}

@keyframes gridShift {
  0% { background-position: 0 0; }
  100% { background-position: 64px 64px; }
}

@keyframes gradientMove {
  0%, 100% { opacity: 1; transform: scale(1) translate(0, 0); }
  33% { opacity: 0.9; transform: scale(1.05) translate(2%, -1%); }
  66% { opacity: 0.95; transform: scale(0.98) translate(-1%, 2%); }
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(4%, -3%) scale(1.02); }
  50% { transform: translate(-3%, 2%) scale(0.98); }
  75% { transform: translate(2%, 4%) scale(1.01); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-5%, -2%) scale(1.03); }
  66% { transform: translate(3%, 5%) scale(0.97); }
}

@keyframes particleFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); opacity: 0.6; }
  50% { transform: translate(var(--dx), var(--dy)) rotate(180deg); opacity: 0.9; }
}

@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes scanline {
  0%, 100% { opacity: 0.03; }
  50% { opacity: 0.08; }
}

@keyframes glitch {
  0% { clip-path: inset(0 0 98% 0); transform: translate(-1px, 1px); }
  20% { clip-path: inset(40% 0 30% 0); transform: translate(1px, -1px); }
  40% { clip-path: inset(80% 0 5% 0); transform: translate(-1px, 1px); }
  60% { clip-path: inset(10% 0 60% 0); transform: translate(1px, 0); }
  80% { clip-path: inset(60% 0 20% 0); transform: translate(-1px, -1px); }
  100% { clip-path: inset(0 0 98% 0); transform: translate(0, 0); }
}

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
}

[data-animate].animate-in {
  animation: fadeInUp 0.8s var(--ease-out-expo) forwards;
}

.hero [data-animate] {
  opacity: 0;
  transform: translateY(28px);
}

/* ===== Page animated background (only above apply section) ===== */
.page-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 250vh;
  z-index: 0;
  overflow: hidden;
  background: var(--color-bg);
  pointer-events: none;
}

.bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  z-index: 10;
  pointer-events: none;
}

.bg-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 6, 8, 0.15) 0%, rgba(5, 6, 8, 0.25) 100%);
  z-index: 11;
  pointer-events: none;
}

.bg-gradient-animated {
  position: absolute;
  inset: -20%;
  z-index: 2;
  background:
    radial-gradient(ellipse 90% 60% at 30% 10%, rgba(59, 130, 246, 0.18), transparent 50%),
    radial-gradient(ellipse 70% 50% at 80% 80%, rgba(212, 168, 83, 0.12), transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(59, 130, 246, 0.06), transparent 60%);
  animation: gradientMove 15s ease-in-out infinite;
  pointer-events: none;
}

.bg-grid-animated {
  position: absolute;
  inset: 0;
  z-index: 3;
  background-image:
    linear-gradient(rgba(42, 47, 58, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 47, 58, 0.35) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
  animation: gridShift 20s linear infinite;
  pointer-events: none;
}

.bg-orbs {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}

.bg-orbs .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
}

.bg-orbs .orb-1 {
  width: 400px;
  height: 400px;
  background: rgba(0, 212, 170, 0.2);
  top: -10%;
  left: 10%;
  animation: orbFloat1 18s ease-in-out infinite;
}

.bg-orbs .orb-2 {
  width: 320px;
  height: 320px;
  background: rgba(34, 211, 238, 0.15);
  top: 40%;
  right: -5%;
  animation: orbFloat2 22s ease-in-out infinite;
}

.bg-orbs .orb-3 {
  width: 280px;
  height: 280px;
  background: rgba(251, 191, 36, 0.12);
  bottom: 10%;
  left: 30%;
  animation: orbFloat1 20s ease-in-out infinite reverse;
}

.bg-orbs .orb-4 {
  width: 200px;
  height: 200px;
  background: rgba(0, 212, 170, 0.1);
  top: 60%;
  left: 5%;
  animation: orbFloat2 16s ease-in-out infinite;
}

.bg-particles {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.bg-particles .particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(0, 212, 170, 0.35);
  border-radius: 50%;
  animation: particleFloat 12s ease-in-out infinite;
}

.bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.bg-noise {
  position: absolute;
  inset: 0;
  z-index: 6;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* ===== Background video mute button ===== */
.mute-btn {
  position: fixed;
  bottom: 62px;
  right: 20px;
  z-index: 51;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: rgba(12, 14, 18, 0.9);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  backdrop-filter: blur(12px);
  -webkit-tap-highlight-color: transparent;
}
.mute-btn:hover {
  background: rgba(30, 36, 48, 0.95);
  border-color: var(--color-accent);
  box-shadow: 0 0 20px var(--color-accent-dim);
}
.mute-btn:active {
  transform: scale(0.96);
}
.mute-btn:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent-dim);
}
.mute-btn .mute-btn-icon {
  display: none;
  width: 20px;
  height: 20px;
}
.mute-btn .mute-btn-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}
/* Icon = current state: muted -> mute icon, unmuted -> sound icon */
.mute-btn[aria-pressed="false"] .mute-btn-icon-off { display: block; }
.mute-btn[aria-pressed="false"] .mute-btn-icon-on { display: none; }
.mute-btn[aria-pressed="true"] .mute-btn-icon-on { display: block; }
.mute-btn[aria-pressed="true"] .mute-btn-icon-off { display: none; }

/* ===== Crypto Ticker ===== */
.crypto-ticker {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(5, 6, 8, 0.95);
  border-top: 1px solid var(--color-border);
  padding: 10px 0;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.crypto-ticker-track {
  display: flex;
  width: max-content;
  animation: tickerScroll 35s linear infinite;
}

.crypto-ticker-inner {
  display: flex;
  gap: 24px;
  width: max-content;
  flex-shrink: 0;
}

.crypto-ticker-inner span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.crypto-ticker-inner span.up { color: var(--color-accent); }
.crypto-ticker-inner span.down { color: #f87171; }

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

main {
  position: relative;
  z-index: 2;
  isolation: isolate;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

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

/* Trustworthy image treatment – used across site for a polished, conference-style look */
.img-frame {
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.img-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.section-header h2,
.section h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-lead {
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #00a884);
  color: #050608;
  box-shadow: 0 0 24px var(--color-accent-dim);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-hover), var(--color-accent));
  box-shadow: 0 0 32px rgba(0, 212, 170, 0.35);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(30, 36, 48, 0.8);
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  background: rgba(42, 50, 65, 0.9);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: 0 0 20px var(--color-accent-dim);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
  min-height: 48px;
}

/* Touch-friendly tap target */
.btn {
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.98);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 24px;
  background: rgba(10, 12, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.header.scrolled {
  border-color: var(--color-border);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.logo-text-animated {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  background: linear-gradient(90deg, #fff 0%, var(--color-cyan) 25%, var(--color-accent) 50%, var(--color-gold) 75%, #fff 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoShimmer 4s linear infinite;
}

.logo-link:hover .logo-text-animated {
  animation-duration: 1.5s;
}

@keyframes logoShimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--color-text);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  overflow: hidden;
  gap: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  padding: 48px 40px 56px;
  background: rgba(12, 14, 18, 0.75);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.hero-badge {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--color-gold);
  font-weight: 500;
  margin-bottom: 24px;
  padding: 8px 16px;
  background: var(--color-gold-muted);
  border-radius: 100px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 0%, var(--color-cyan) 40%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 0;
}

.hero-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 48px;
  margin-top: 40px;
  width: 100%;
  max-width: 720px;
}

.hero .hero-stats {
  position: relative;
  z-index: 2;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ===== About ===== */
.about {
  background: var(--color-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-content .section-lead {
  margin-bottom: 28px;
}

.about-visual {
  position: relative;
}

.about-img-main {
  width: 100%;
  max-width: 420px;
  height: 320px;
  border: 1px solid var(--color-border);
}

.about-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-img-accent {
  position: absolute;
  bottom: -24px;
  right: -24px;
  width: 200px;
  height: 140px;
  border: 2px solid var(--color-accent);
  box-shadow: 0 12px 32px rgba(0, 212, 170, 0.2);
}

.about-img-accent img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.badge:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 20px var(--color-accent-dim);
}

.badge-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(0, 212, 170, 0.2);
  color: var(--color-accent);
  border-radius: 50%;
  font-size: 0.875rem;
  font-weight: 700;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-img-accent {
    right: 16px;
    bottom: -16px;
  }
}

/* ===== Speakers ===== */
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.speaker-card {
  padding: 0;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.speaker-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px var(--color-accent-dim);
}

.speaker-avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 0;
  background: var(--color-border);
  overflow: hidden;
  margin-bottom: 0;
}

.speaker-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.speaker-card h3,
.speaker-card p {
  padding: 0 20px;
}

.speaker-card h3 {
  padding-top: 20px;
}

.speaker-card p {
  padding-bottom: 20px;
}

.speaker-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.speaker-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.speakers-note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 48px;
}

.people-gallery-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 24px;
  color: var(--color-text-muted);
}

.people-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.people-gallery-grid .img-frame {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.people-gallery-grid .img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.people-gallery-grid .img-frame:hover img {
  transform: scale(1.03);
}

@media (max-width: 768px) {
  .people-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== Agenda ===== */
.agenda {
  background: var(--color-surface);
}

.agenda-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.agenda-day {
  padding: 0;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.agenda-day:hover {
  border-color: var(--color-accent);
  box-shadow: 0 0 24px var(--color-accent-dim);
}

.agenda-day-img {
  width: 100%;
  height: 160px;
  background-size: cover;
  background-position: center;
}

.agenda-day .day-num,
.agenda-day h3,
.agenda-day p {
  padding-left: 24px;
  padding-right: 24px;
}

.day-num {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin-bottom: 12px;
  padding-top: 24px;
}

.agenda-day h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.agenda-day p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  padding-bottom: 28px;
}

@media (max-width: 768px) {
  .agenda-timeline {
    grid-template-columns: 1fr;
  }
}

/* ===== Sponsors ===== */
.sponsor-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: center;
  align-items: center;
  filter: grayscale(1) brightness(1.2);
  opacity: 0.85;
}

.sponsor-logo {
  height: 40px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  transition: filter var(--transition), opacity var(--transition);
}

.sponsor-logo:hover {
  filter: grayscale(0) brightness(1);
  opacity: 1;
}

/* ===== Companies scroll (under Trusted by the Best) ===== */
.companies-rows {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
  overflow: hidden;
}

.companies-row {
  overflow: hidden;
  min-height: 44px;
}

.companies-track {
  display: flex;
  width: max-content;
  will-change: transform;
}

.companies-track.companies-speed-1 {
  animation: companiesScrollLeft 48s linear infinite;
}

.companies-track.companies-speed-2 {
  animation: companiesScrollRight 62s linear infinite;
}

.companies-track.companies-speed-3 {
  animation: companiesScrollLeft 55s linear infinite;
}

.companies-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 0 20px;
  flex-shrink: 0;
}

.companies-logo {
  display: block;
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
  opacity: 0.85;
}

@keyframes companiesScrollLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes companiesScrollRight {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* ===== VIP Dinner ===== */
.vip-dinner {
  background: var(--color-surface);
}

.vip-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.vip-content h2,
.boat-content h2 {
  margin-top: 12px;
  margin-bottom: 16px;
}

.vip-detail,
.boat-detail {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-top: 16px;
  padding: 16px;
  background: var(--color-surface-elevated);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-accent);
}

.vip-visual,
.boat-visual {
  position: relative;
}

.vip-img-main,
.boat-img-main {
  width: 100%;
  max-width: 420px;
  height: 280px;
  border: 1px solid var(--color-border);
}

.vip-img-main img,
.boat-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vip-img-accent,
.boat-img-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 180px;
  height: 120px;
  border: 2px solid var(--color-accent);
  box-shadow: 0 12px 32px rgba(0, 212, 170, 0.2);
}

.vip-img-accent img,
.boat-img-accent img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.boat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.boat-cruise {
  background: var(--color-surface-elevated);
}

@media (max-width: 900px) {
  .vip-grid,
  .boat-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .vip-img-main,
  .boat-img-main {
    max-width: 100%;
  }
  .vip-img-accent,
  .boat-img-accent {
    right: 16px;
    bottom: -16px;
  }
}

/* ===== Venue ===== */
.venue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.venue h2 {
  margin-top: 12px;
  margin-bottom: 16px;
}

.venue p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.link-arrow {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9375rem;
}

.link-arrow:hover {
  text-decoration: underline;
}

.venue-img-wrap {
  height: 320px;
}

.venue-img-wrap .venue-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.venue-img-caption {
  margin-top: 12px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .venue-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Highlights / Video ===== */
.highlights {
  background: var(--color-surface);
}

.video-wrapper {
  max-width: 900px;
  margin: 0 auto 24px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
}

.video-aspect {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  background: var(--color-bg);
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: rgba(0, 0, 0, 0.4);
  transition: background 0.3s ease;
}

.video-overlay.playing {
  pointer-events: none;
  background: transparent;
}

.video-overlay.playing .video-play-btn,
.video-overlay.playing .video-label {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.video-play-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-bg);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.video-play-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.video-label {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

/* Highlights video controls (stop/resume + volume) – visible when video is playing */
.highlights-video-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.75), transparent);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 2;
}

.highlights-video-controls.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.video-stop-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-bg);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s ease, transform 0.2s ease;
}

.video-stop-btn:hover {
  background: #fff;
  transform: scale(1.05);
}

.video-volume-wrap {
  flex: 1;
  max-width: 120px;
}

.video-volume {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
  outline: none;
}

.video-volume::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.video-volume::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  border: none;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

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

.video-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.highlights-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.highlights-gallery-images {
  grid-template-columns: repeat(6, 1fr);
}

.highlights-gallery-images .img-frame {
  aspect-ratio: 16/10;
}

.highlights-gallery-images .img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 768px) {
  .highlights-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
  .highlights-gallery-images {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== Register / Application ===== */
/* Solid background so animated bg doesn’t show when scrolling through the form */
.section.register {
  background: var(--color-bg);
  position: relative;
  z-index: 2;
  min-height: 100vh;
  min-height: 100dvh;
}

.register-box {
  max-width: 520px;
  margin: 0 auto;
  padding: 48px;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
}

.register-header {
  margin-bottom: 28px;
}

.register-box h2 {
  margin-bottom: 12px;
}

.register-sub {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.step-indicator {
  margin-bottom: 20px;
}

.step-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.step-bar {
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 12px;
}

.step-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-cyan));
  border-radius: 2px;
  transition: width 0.4s var(--ease-out-expo);
}

.step-dots {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.step-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  transition: background 0.3s ease, transform 0.3s ease;
}

.step-dots .dot.active {
  background: var(--color-accent);
  transform: scale(1.2);
}

.step-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-step {
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: fadeInUp 0.4s var(--ease-out-expo);
}

.hidden {
  display: none !important;
}

.form-step.hidden {
  display: none;
}

.form-step-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.form-step-actions .btn-back {
  flex-shrink: 0;
}

.form-step-actions .btn-next,
.form-step-actions .btn-submit {
  flex: 1;
}

.readonly-field .device-display {
  padding: 14px 18px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.input-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

.picker-hint {
  margin-bottom: 12px;
}

.picker-hidden {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

.picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 12px;
}

.picker-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 10px;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.picker-card:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface-elevated);
  transform: translateY(-2px);
}

.picker-card.selected {
  border-color: var(--color-accent);
  background: rgba(0, 212, 170, 0.08);
  box-shadow: 0 0 0 1px var(--color-accent), 0 4px 20px var(--color-accent-dim);
}

.picker-card:focus {
  outline: none;
}

.picker-card:focus-visible {
  box-shadow: 0 0 0 2px var(--color-accent);
}

.picker-card img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 10px;
}

/* Ledger logo is dark – force white for visibility on dark UI */
.picker-card[data-value="Ledger"] img {
  filter: brightness(0) invert(1);
}

.picker-card .picker-fallback {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: #050608;
}

.picker-card span {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
  text-align: center;
  line-height: 1.2;
}

.picker-card.selected span {
  color: var(--color-accent);
}

.register-form {
  display: block;
}

.register-form input,
.register-form select {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-sans);
  font-size: 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  transition: border-color var(--transition);
}

.register-form input:focus,
.register-form select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.register-form input::placeholder {
  color: var(--color-text-muted);
}

.register-form select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%238b92a0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
  padding-right: 44px;
}

.register-form select[multiple] {
  background-image: none;
  padding-right: 18px;
}

.register-form .btn-next {
  margin-top: 4px;
}

/* File upload */
.file-upload-label {
  cursor: pointer;
}

.file-input {
  position: absolute;
  width: 0.1px;
  height: 0.1px;
  opacity: 0;
  overflow: hidden;
  z-index: -1;
}

.file-upload-ui {
  padding: 24px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color var(--transition), background var(--transition);
}

.file-upload-preview {
  display: none;
  margin-bottom: 12px;
  border-radius: var(--radius);
  overflow: hidden;
  max-height: 200px;
  background: var(--color-bg);
}

.file-upload-preview-img {
  display: block;
  width: 100%;
  max-height: 200px;
  object-fit: contain;
}

.file-upload-label:hover .file-upload-ui,
.file-upload-label:focus-within .file-upload-ui {
  border-color: var(--color-accent);
  background: rgba(59, 130, 246, 0.05);
}

.file-upload-text {
  display: block;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.file-upload-name {
  display: block;
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-top: 8px;
}

.register-success {
  text-align: center;
  padding: 24px 0 16px;
}

/* When success is shown, hide the entire form and step indicator */
.register-box.form-submitted .register-header,
.register-box.form-submitted .register-form {
  display: none !important;
}

.register-success.hidden {
  display: none !important;
}

.register-success-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

.register-success-text {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.register-success .btn {
  display: inline-flex;
}

.register-note {
  margin-top: 24px;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.register-note a {
  color: var(--color-accent);
}

.register-note a:hover {
  text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer .logo {
  display: block;
  margin-bottom: 12px;
}

.footer p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.footer ul li {
  margin-bottom: 10px;
}

.footer ul a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.footer ul a:hover {
  color: var(--color-text);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== Mobile compatibility ===== */
@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .header {
    padding: 12px 16px;
    padding-top: calc(12px + env(safe-area-inset-top, 0));
  }

  .nav {
    gap: 16px;
  }

  .hero {
    padding: 100px 16px 60px;
    padding-top: calc(100px + env(safe-area-inset-top, 0));
    min-height: 100vh;
    min-height: 100dvh;
  }

  .hero-content {
    padding: 32px 20px 40px;
    max-width: 100%;
  }

  .hero-stats {
    gap: 24px;
    margin-top: 28px;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .register-box {
    padding: 24px 20px;
  }

  .form-step-actions {
    flex-direction: column;
  }

  .form-step-actions .btn-back,
  .form-step-actions .btn-next,
  .form-step-actions .btn-submit {
    width: 100%;
    min-height: 48px;
  }

  .file-upload-ui {
    padding: 16px;
  }

  .file-upload-preview {
    max-height: 160px;
  }

  .file-upload-preview-img {
    max-height: 160px;
  }

  .picker-grid {
    grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
    gap: 10px;
  }

  .picker-card {
    min-height: 44px;
    padding: 12px 8px;
    -webkit-tap-highlight-color: transparent;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .mute-btn {
    bottom: calc(24px + env(safe-area-inset-bottom, 0));
    right: calc(16px + env(safe-area-inset-right, 0));
  }
}

/* Prevent iOS zoom on input focus (16px minimum) */
@media (max-width: 768px) {
  .register-form input,
  .register-form select {
    font-size: 16px;
  }
}