:root {
  --bg-main: #060913;
  --bg-darker: #03050a;
  --bg-card: rgba(13, 19, 38, 0.7);
  --card-glass: rgba(18, 26, 51, 0.65);
  --gold-main: #f59e0b;
  --gold-light: #fbbf24;
  --gold-glow: rgba(245, 158, 11, 0.4);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(245, 158, 11, 0.35);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-blue: #38bdf8;
  --accent-purple: #a855f7;
  --accent-green: #10b981;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-serif: 'Cinzel', serif;
}

/* Persistent Sandbox Top Banner (Color-Coded, High-Contrast & Clear) */
.sandbox-top-banner {
  background: linear-gradient(90deg, #0a0f24 0%, #151a36 50%, #0a0f24 100%);
  border-bottom: 1.5px solid rgba(245, 158, 11, 0.4);
  padding: 0.55rem 1.5rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}
.sandbox-banner-content {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  text-align: center;
}
.sandbox-pill-tag {
  background: rgba(245, 158, 11, 0.18);
  border: 1px solid var(--gold-main);
  color: var(--gold-light);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
  text-transform: uppercase;
  flex-shrink: 0;
}
.sandbox-title {
  color: #ffffff;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.sandbox-divider {
  color: rgba(245, 158, 11, 0.5);
  font-weight: 600;
  flex-shrink: 0;
}
.sandbox-text {
  color: #e2e8f0;
  font-size: 0.75rem;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  overflow-x: hidden;
  position: relative;
}

/* Subtle Clean Ambient Lighting (Soft Obsidian Glow, No Harsh Neon Bleed) */
.ambient-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(160px);
  z-index: 0;
  opacity: 0.12;
}
.glow-1 { top: -80px; left: -80px; background: radial-gradient(circle, #d4af37, transparent); }
.glow-2 { top: 45%; right: -100px; background: radial-gradient(circle, #38bdf8, transparent); }
.grid-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background-image: linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 1;
}

/* Gold Gradient & Accents */
.gold-gradient-text {
  background: linear-gradient(135deg, #fef08a 0%, #f59e0b 50%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.gold-accent { color: var(--gold-main); }
.text-mono { font-family: monospace; }
.text-green { color: var(--accent-green); }
.gold-text { color: var(--gold-main); font-weight: 700; }

/* Navigation */
.navbar-container {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 100;
  background: rgba(6, 9, 19, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}
.navbar-wrapper {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0.85rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand-group { display: flex; align-items: center; gap: 0.85rem; }
.brand-logo-hex {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 1px solid var(--border-gold);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-family: var(--font-display); font-size: 1.05rem;
}
.brand-titles .brand-name { font-size: 1.05rem; font-weight: 700; font-family: var(--font-display); letter-spacing: 0.05em; }
.brand-titles .brand-sub { font-size: 0.72rem; color: var(--text-muted); }

.nav-links { display: flex; gap: 1.15rem; }
.nav-link { color: var(--text-muted); text-decoration: none; font-size: 0.82rem; font-weight: 500; transition: color 0.2s; }
.nav-link:hover, .nav-link.active { color: #fff; }

.nav-actions { display: flex; align-items: center; gap: 1rem; }

/* Buttons */
.btn {
  padding: 0.65rem 1.35rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn-large { padding: 1rem 2rem; font-size: 1.05rem; border-radius: 10px; }
.btn-full { width: 100%; }
.btn-gold {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #050811;
  font-weight: 700;
}
.btn-gold:hover {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.35);
}
.shadow-gold { box-shadow: 0 4px 15px rgba(245, 158, 11, 0.25); }

.btn-glass {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}
.btn-glass:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-gold);
}
.btn-outline:hover {
  background: rgba(245, 158, 11, 0.1);
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10.5rem 2rem 5rem;
  overflow: hidden;
}
.video-container {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 1;
}
.hero-video {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.35) contrast(1.1);
}
.video-scrim {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(180deg, rgba(5, 8, 17, 0.6) 0%, rgba(5, 8, 17, 0.95) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 960px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--border-gold);
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}
.live-pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
  font-size: 3.8rem;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 720px;
  line-height: 1.6;
  margin-bottom: 2.5rem;
}
.hero-cta-group {
  display: flex; gap: 1.25rem; flex-wrap: wrap; justify-content: center;
  margin-bottom: 3.5rem;
}

/* Stats Strip */
.hero-stats-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 1.25rem 2.5rem;
  background: var(--card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  backdrop-filter: blur(16px);
}
.stat-box { text-align: center; }
.stat-number { font-size: 1.35rem; font-weight: 700; font-family: var(--font-display); color: #fff; }
.stat-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; margin-top: 0.2rem; }
.stat-divider { width: 1px; height: 35px; background: var(--border-subtle); }

/* Section Containers */
.section-container {
  position: relative;
  z-index: 2;
  max-width: 1320px;
  margin: 0 auto;
  padding: 6rem 2rem;
}
.bg-darker { background-color: var(--bg-secondary); }
.section-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold-main);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.section-title {
  font-size: 2.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}
.credit-disclaimer-sub {
  font-size: 0.8rem;
  color: #64748b;
  max-width: 720px;
  margin-bottom: 3rem;
  line-height: 1.5;
}

/* 3D Holographic Passport Card */
.passport-showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}
.passport-card-wrapper {
  perspective: 1000px;
  display: flex;
  justify-content: center;
}
.card-3d {
  width: 100%;
  max-width: 460px;
  height: 290px;
  border-radius: 20px;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 70%, #030712 100%);
  border: 1.5px solid var(--border-gold);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(245, 158, 11, 0.15);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.card-3d:hover {
  transform: translateY(-8px) rotateX(4deg) rotateY(-4deg);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7), 0 0 40px rgba(245, 158, 11, 0.3);
}

.card-top { display: flex; justify-content: space-between; align-items: flex-start; }
.card-logo-box { display: flex; align-items: center; gap: 0.6rem; }
.logo-circle {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--gold-main); color: #000; font-weight: 800;
  display: flex; align-items: center; justify-content: center; font-size: 0.85rem;
}
.card-sys-name { font-size: 0.85rem; font-weight: 700; font-family: var(--font-display); letter-spacing: 0.05em; color: var(--gold-light); }
.card-sub-name { font-size: 0.65rem; color: var(--text-muted); }
.tier-pill-gold {
  padding: 0.25rem 0.65rem; background: var(--gold-main); color: #000;
  font-weight: 800; font-size: 0.75rem; border-radius: 6px;
}

.card-chip-graphic { display: flex; justify-content: space-between; align-items: center; margin: 0.8rem 0; }
.sim-chip {
  width: 38px; height: 28px; border-radius: 6px;
  background: linear-gradient(135deg, #d4af37, #aa7c11);
  border: 1px solid #ffe066;
}
.hologram-seal {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em;
  padding: 0.2rem 0.5rem; background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.4); border-radius: 4px; color: var(--accent-blue);
}

.card-details-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; }
.detail-label { font-size: 0.62rem; color: var(--text-muted); text-transform: uppercase; font-weight: 600; }
.detail-value { font-size: 0.9rem; font-weight: 600; margin-top: 0.1rem; }

.card-bottom {
  display: flex; justify-content: space-between; align-items: flex-end;
  padding-top: 0.75rem; border-top: 1px dashed rgba(255, 255, 255, 0.12);
}
.qr-preview-box {
  display: flex; align-items: center; gap: 0.5rem; cursor: pointer;
  background: rgba(255, 255, 255, 0.05); padding: 0.25rem 0.6rem; border-radius: 6px;
}
.qr-preview-box span { font-size: 0.68rem; font-weight: 600; color: var(--gold-light); }
.qr-sim-matrix { width: 14px; height: 14px; background: var(--gold-main); }
.card-auth-hash { font-size: 0.7rem; color: var(--text-muted); }

/* Benefits Panel */
.benefits-panel { display: flex; flex-direction: column; gap: 1.25rem; }
.panel-heading { font-size: 1.35rem; font-weight: 700; font-family: var(--font-display); margin-bottom: 0.5rem; }
.benefit-item {
  display: flex; gap: 1rem; padding: 1.15rem;
  background: var(--card-glass); border: 1px solid var(--border-subtle);
  border-radius: 12px; backdrop-filter: blur(10px);
}
.benefit-bullet {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--border-gold);
  color: var(--gold-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}
.benefit-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.2rem; }
.benefit-desc { font-size: 0.82rem; color: var(--text-muted); line-height: 1.4; }
.cta-box-glass { margin-top: 1rem; }

/* Speakers Grid */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}
.speaker-card-luxe {
  background: var(--card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.75rem;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: all 0.3s ease;
  backdrop-filter: blur(12px);
  text-align: center;
}
.speaker-card-luxe:hover {
  border-color: var(--border-gold);
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}
.speaker-avatar-frame {
  width: 90px; height: 90px; border-radius: 50%;
  margin: 0 auto 1.25rem;
  overflow: hidden;
  border: 2px solid var(--border-gold);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
}
.speaker-avatar-img {
  width: 100%; height: 100%; object-fit: cover;
}
.speaker-name { font-size: 1.2rem; font-weight: 700; font-family: var(--font-display); margin-bottom: 0.3rem; }
.speaker-role { font-size: 0.82rem; color: var(--gold-main); font-weight: 600; margin-bottom: 0.85rem; }
.speaker-bio { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 1.25rem; }
.speaker-token-badge {
  padding: 0.4rem 0.8rem; background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25); border-radius: 6px;
  font-size: 0.72rem; color: var(--accent-blue); font-weight: 600;
}

/* Technological Convergence Grid */
.convergence-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}
.convergence-card {
  background: var(--card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem 1.75rem;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: all 0.3s ease;
  backdrop-filter: blur(12px);
}
.convergence-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.5);
}
.conv-icon-box {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 1.25rem;
}
.bg-indigo-glow { background: rgba(99, 102, 241, 0.15); border: 1px solid rgba(99, 102, 241, 0.3); }
.bg-cyan-glow { background: rgba(6, 182, 212, 0.15); border: 1px solid rgba(6, 182, 212, 0.3); }
.bg-emerald-glow { background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.3); }
.bg-amber-glow { background: rgba(245, 158, 11, 0.15); border: 1px solid rgba(245, 158, 11, 0.3); }
.convergence-card h4 { font-size: 1.15rem; font-weight: 700; font-family: var(--font-display); margin-bottom: 0.6rem; color: #fff; }
.convergence-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 1.25rem; }
.conv-tag {
  font-size: 0.72rem; font-weight: 600; color: var(--gold-light);
  padding-top: 0.75rem; border-top: 1px dashed rgba(255, 255, 255, 0.1);
}
.speaker-web3-utility {
  font-size: 0.75rem;
  color: var(--gold-light);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--border-gold);
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
}

/* Sovereign Publishing Spotlight */
.spotlight-trilogy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}
.spotlight-book-card {
  background: var(--card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.35s ease;
  backdrop-filter: blur(14px);
}
.spotlight-book-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-gold);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}
.spotlight-book-card.featured-glow {
  border-color: var(--border-gold);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(13, 19, 38, 0.8));
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.15);
}
.spotlight-badge-gold {
  position: absolute; top: -12px; right: 20px;
  background: var(--gold-main); color: #000;
  font-size: 0.68rem; font-weight: 800; padding: 0.25rem 0.75rem;
  border-radius: 9999px; letter-spacing: 0.06em;
}
.spotlight-badge-blue {
  position: absolute; top: -12px; right: 20px;
  background: #3b82f6; color: #fff;
  font-size: 0.68rem; font-weight: 800; padding: 0.25rem 0.75rem;
  border-radius: 9999px; letter-spacing: 0.06em;
}
.spotlight-badge-purple {
  position: absolute; top: -12px; right: 20px;
  background: #a855f7; color: #fff;
  font-size: 0.68rem; font-weight: 800; padding: 0.25rem 0.75rem;
  border-radius: 9999px; letter-spacing: 0.06em;
}
.spotlight-cover-frame {
  width: 100%;
  height: 340px;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 1.5rem;
  border: 1.5px solid var(--border-gold);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
  background: #090e1f;
}
.spotlight-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.spotlight-book-card:hover .spotlight-cover-img {
  transform: scale(1.04);
}
.spotlight-content h3 { font-size: 1.25rem; font-weight: 700; font-family: var(--font-display); margin-bottom: 0.35rem; }
.spotlight-author { font-size: 0.82rem; color: var(--gold-light); font-weight: 600; margin-bottom: 0.85rem; }
.spotlight-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.55; margin-bottom: 1.25rem; }
.spotlight-pill {
  font-size: 0.72rem;
  color: var(--accent-blue);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  margin-bottom: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
}

/* 4-Step Campaign Mechanics */
.campaign-mechanics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.mechanic-card {
  background: var(--card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.75rem;
  transition: all 0.3s ease;
}
.mechanic-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
}
.mechanic-num {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--gold-main);
  margin-bottom: 0.5rem;
  opacity: 0.9;
}
.mechanic-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.45rem; }
.mechanic-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.5; }

/* Institutional Whitepapers & Playbooks */
.whitepapers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}
.whitepaper-card {
  background: var(--card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(16px);
  transition: all 0.35s ease;
  position: relative;
}
.whitepaper-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-gold);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
}
.whitepaper-card.featured-border {
  border-color: rgba(168, 85, 247, 0.4);
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.06), rgba(13, 19, 38, 0.85));
}
.whitepaper-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}
.whitepaper-tag {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  text-transform: uppercase;
}
.whitepaper-tag.gold {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--gold-main);
  color: var(--gold-light);
}
.whitepaper-tag.blue {
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid #3b82f6;
  color: #93c5fd;
}
.whitepaper-tag.purple {
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid #a855f7;
  color: #d8b4fe;
}
.whitepaper-pages {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
}
.whitepaper-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  font-family: var(--font-display);
  margin-bottom: 0.45rem;
  line-height: 1.35;
}
.whitepaper-author {
  font-size: 0.78rem;
  color: var(--gold-light);
  font-weight: 600;
  margin-bottom: 0.85rem;
}
.whitepaper-summary {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}
.whitepaper-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}
.wp-pill {
  font-size: 0.75rem;
  color: #cbd5e1;
  font-weight: 500;
}
.whitepaper-footer {
  margin-top: auto;
}

/* Whitepaper Reader Modal */
.modal-whitepaper-box {
  max-width: 900px;
  width: 90%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}
.whitepaper-reader-body {
  padding: 2rem;
  overflow-y: auto;
  max-height: calc(85vh - 90px);
  color: #e2e8f0;
  font-size: 0.92rem;
  line-height: 1.7;
}
.whitepaper-reader-body h1, .whitepaper-reader-body h2, .whitepaper-reader-body h3 {
  color: #ffffff;
  font-family: var(--font-display);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}
.whitepaper-reader-body h2 {
  color: var(--gold-light);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.4rem;
}
.whitepaper-reader-body p {
  margin-bottom: 1rem;
  color: #cbd5e1;
}
.whitepaper-reader-body ul {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}
.whitepaper-reader-body li {
  margin-bottom: 0.45rem;
}
.whitepaper-reader-body blockquote {
  background: rgba(245, 158, 11, 0.08);
  border-left: 3px solid var(--gold-main);
  padding: 1rem 1.25rem;
  border-radius: 0 8px 8px 0;
  margin: 1.25rem 0;
  font-style: italic;
  color: #fef08a;
}
.whitepaper-reader-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.85rem;
}
.whitepaper-reader-body th, .whitepaper-reader-body td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-subtle);
  text-align: left;
}
.whitepaper-reader-body th {
  background: rgba(15, 23, 42, 0.8);
  color: var(--gold-light);
}

@media print {
  body * {
    visibility: hidden;
  }
  #modal-whitepaper, #modal-whitepaper * {
    visibility: visible;
  }
  #modal-whitepaper {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: auto;
    background: #fff !important;
    color: #000 !important;
  }
  .whitepaper-reader-body {
    color: #000 !important;
  }
  .whitepaper-reader-body p, .whitepaper-reader-body li {
    color: #111 !important;
  }
  .whitepaper-reader-body h1, .whitepaper-reader-body h2, .whitepaper-reader-body h3 {
    color: #000 !important;
  }
  .btn-close, .btn-sm {
    display: none !important;
  }
}

/* Vault Filter Tabs */
.vault-tabs-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.tab-btn {
  padding: 0.6rem 1.25rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.3s ease;
}
.tab-btn:hover {
  border-color: var(--border-gold);
  color: #fff;
  background: rgba(245, 158, 11, 0.1);
}
.tab-btn.active {
  background: var(--gold-main);
  border-color: var(--gold-main);
  color: #000;
  box-shadow: 0 0 15px var(--gold-glow);
}

/* Books Grid */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.book-card-luxe {
  background: var(--card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.75rem;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: all 0.3s ease;
  backdrop-filter: blur(12px);
}
.book-card-luxe:hover {
  border-color: var(--border-gold);
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}
.book-cover-frame {
  width: 100%;
  height: 280px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 1.25rem;
  border: 1.5px solid var(--border-gold);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  background: #0b1329;
}
.book-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.book-card-luxe:hover .book-cover-img {
  transform: scale(1.03);
}
.book-title { font-size: 1.15rem; font-weight: 700; font-family: var(--font-display); margin-bottom: 0.3rem; }
.book-author { font-size: 0.82rem; color: var(--gold-main); margin-bottom: 0.8rem; font-weight: 600; }
.book-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 1.25rem; }
.book-web3-utility {
  font-size: 0.72rem;
  color: var(--accent-blue);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 0.4rem 0.65rem;
  border-radius: 6px;
  margin-bottom: 0.85rem;
  font-weight: 600;
  line-height: 1.4;
}
.book-status { font-size: 0.75rem; font-weight: 600; color: var(--accent-green); display: flex; align-items: center; gap: 0.4rem; }

/* Comparison Table */
.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: var(--card-glass);
  backdrop-filter: blur(16px);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.comparison-table th, .comparison-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.9rem;
}
.comparison-table th {
  background: rgba(15, 23, 42, 0.95);
  font-family: var(--font-display);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.comparison-table th.highlight-col {
  background: rgba(245, 158, 11, 0.15);
  color: var(--gold-light);
  border-left: 1px solid var(--border-gold);
  border-right: 1px solid var(--border-gold);
}
.comparison-table td.highlight-col {
  background: rgba(245, 158, 11, 0.06);
  color: #fff;
  border-left: 1px solid var(--border-gold);
  border-right: 1px solid var(--border-gold);
}

/* Pricing / Credit Tiers Grid */
.pricing-tiers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  align-items: stretch;
}
.pricing-card {
  background: var(--card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative;
  transition: all 0.3s ease;
  backdrop-filter: blur(16px);
}
.pricing-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}
.pricing-card.featured-tier {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
  border: 2px solid var(--gold-main);
  box-shadow: 0 0 35px rgba(245, 158, 11, 0.2);
}
.featured-ribbon {
  position: absolute;
  top: 15px; right: 20px;
  background: var(--gold-main);
  color: #000;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.08em;
}
.tier-tag { font-size: 0.72rem; font-weight: 700; color: var(--gold-main); letter-spacing: 0.08em; text-transform: uppercase; }
.tier-head h3 { font-size: 1.5rem; font-family: var(--font-display); font-weight: 700; margin: 0.3rem 0 0.4rem; }
.tier-desc { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem; }
.price-val { font-size: 2.2rem; font-family: var(--font-display); font-weight: 800; color: #fff; }
.price-sub { font-size: 0.78rem; color: var(--text-muted); display: block; margin-top: 0.2rem; }
.tier-features { list-style: none; margin: 2rem 0; display: flex; flex-direction: column; gap: 0.9rem; }
.tier-features li { font-size: 0.88rem; color: var(--text-muted); line-height: 1.4; }

/* Catalog Cards */
.catalog-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2rem;
}
.catalog-card-luxe {
  background: var(--card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: all 0.3s ease;
  backdrop-filter: blur(12px);
}
.catalog-card-luxe:hover {
  border-color: var(--border-gold);
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.5);
}
.catalog-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; }
.cat-tag { font-size: 0.72rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: 6px; background: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.catalog-card-luxe h3 { font-size: 1.25rem; font-weight: 700; font-family: var(--font-display); margin-bottom: 0.5rem; }
.venue-line { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.25rem; display: flex; align-items: center; gap: 0.4rem; }
.price-strip {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 0; border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}
.cost-credits { font-size: 1.2rem; font-weight: 700; font-family: var(--font-display); color: var(--gold-main); }
.seats-left { font-size: 0.8rem; color: var(--text-muted); }

/* Media Showcase */
.media-showcase-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.video-card-luxe {
  background: var(--card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
}
.media-player { width: 100%; height: 260px; object-fit: cover; background: #000; border: none; }
.video-info { padding: 1.5rem; }
.video-info h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.4rem; }
.video-info p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* Vault Panel */
.vault-panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.vault-metrics-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
  border: 1px solid var(--border-gold);
  border-radius: 20px;
  padding: 2.5rem;
}
.vault-head { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; font-weight: 700; }
.vault-big-num { font-size: 2.6rem; font-weight: 800; font-family: var(--font-display); color: var(--gold-main); margin: 0.5rem 0; }
.vault-unit { font-size: 1.1rem; color: var(--text-muted); font-weight: 600; }
.vault-sub { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 2rem; }
.vault-actions-row { display: flex; gap: 1rem; }

.vault-info-card {
  background: var(--card-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.5rem;
  display: flex; flex-direction: column; justify-content: center;
}
.vault-info-card h4 { font-size: 1.2rem; font-weight: 700; margin-bottom: 1rem; }
.policy-text { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; font-style: italic; margin-bottom: 1.5rem; }
.audit-check-pill {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.5rem 1rem; background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4); border-radius: 8px;
  color: var(--accent-green); font-size: 0.82rem; font-weight: 600;
}

/* Modals */
.modal-overlay {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-card {
  background: #0f172a;
  border: 1px solid var(--border-gold);
  border-radius: 16px;
  width: 100%; max-width: 540px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8);
  overflow: hidden;
}
.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex; justify-content: space-between; align-items: center;
}
.modal-title-box { display: flex; align-items: center; gap: 0.5rem; }
.modal-title-box h3 { font-size: 1.15rem; font-weight: 700; }
.btn-close { background: transparent; border: none; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; }
.btn-close:hover { color: #fff; }

.chat-messages-area {
  height: 320px; overflow-y: auto; padding: 1.25rem; display: flex; flex-direction: column; gap: 1rem;
}
.chat-bubble { padding: 0.85rem 1.15rem; border-radius: 12px; font-size: 0.88rem; line-height: 1.5; max-width: 85%; }
.chat-bubble.ai { background: rgba(59, 130, 246, 0.15); border: 1px solid rgba(59, 130, 246, 0.3); align-self: flex-start; }
.chat-bubble.user { background: var(--gold-main); color: #000; font-weight: 500; align-self: flex-end; }
.chat-input-row { display: flex; gap: 0.75rem; padding: 1rem 1.25rem; border-top: 1px solid var(--border-subtle); }
.chat-input-row input {
  flex: 1; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem; border-radius: 8px; color: #fff; font-size: 0.9rem;
}

.modal-qr-box { max-width: 380px; text-align: center; }
.qr-display-container { padding: 2rem; display: flex; flex-direction: column; align-items: center; }
.qr-canvas-mock {
  width: 180px; height: 180px; background: #fff; padding: 10px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 1rem;
}
.qr-pattern { width: 100%; height: 100%; background: #000; }
.qr-token-label { font-size: 0.85rem; font-weight: 700; color: var(--gold-main); }
.qr-timer-text { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.3rem; }

/* Footer */
.footer-container { background: var(--bg-darker); border-top: 1px solid var(--border-subtle); padding: 4rem 2rem 2rem; position: relative; z-index: 2; }
.footer-wrapper { max-width: 1320px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 3rem; margin-bottom: 3rem; }
.footer-tagline { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.75rem; max-width: 380px; line-height: 1.6; }
.footer-col h5 { font-size: 0.9rem; text-transform: uppercase; color: var(--gold-main); margin-bottom: 1rem; font-weight: 700; }
.footer-col a { display: block; color: var(--text-muted); font-size: 0.85rem; text-decoration: none; margin-bottom: 0.6rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom { max-width: 1320px; margin: 0 auto; padding-top: 2rem; border-top: 1px solid var(--border-subtle); text-align: center; font-size: 0.78rem; color: var(--text-muted); line-height: 1.6; }

/* Responsive Layout Engine: Desktop, iPad/Tablet, and Mobile */
@media (max-width: 1200px) {
  .navbar-wrapper, .section-container, .footer-wrapper {
    max-width: 100%;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  .hero-title { font-size: 3.2rem; }
}

@media (max-width: 1024px) {
  /* iPad / Tablet Layout */
  .hero-section { padding: 7rem 1.5rem 3.5rem; }
  .hero-title { font-size: 2.8rem; }
  .passport-showcase-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .card-3d {
    max-width: 440px;
    margin: 0 auto;
  }
  .convergence-grid, .speakers-grid, .books-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .pricing-tiers-grid {
    grid-template-columns: 1fr;
    max-width: 540px;
    margin: 0 auto;
  }
  .media-showcase-grid {
    grid-template-columns: 1fr;
  }
  .vault-panel-grid {
    grid-template-columns: 1fr;
  }
  .footer-wrapper {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  /* Small Tablet & Large Phones */
  .navbar-wrapper {
    padding: 0.85rem 1.25rem;
  }
  .nav-links { display: none; }
  .hero-title { font-size: 2.3rem; }
  .hero-description { font-size: 1rem; }
  .hero-stats-strip {
    flex-direction: column;
    gap: 1rem;
    padding: 1.25rem;
    width: 100%;
  }
  .stat-divider { display: none; }
  .convergence-grid, .speakers-grid, .books-grid {
    grid-template-columns: 1fr;
  }
  .footer-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  /* Mobile Phones (iPhone / Android) */
  .hero-section { padding: 6rem 1rem 3rem; }
  .hero-title { font-size: 1.9rem; line-height: 1.2; }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .btn-large {
    width: 100%;
    padding: 0.9rem 1.25rem;
    font-size: 0.95rem;
  }
  .card-3d {
    height: auto;
    min-height: 310px;
    padding: 1.25rem;
  }
  .card-details-grid {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
  .section-container {
    padding: 4rem 1rem;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .pricing-card {
    padding: 2rem 1.25rem;
  }
  .vault-metrics-card, .vault-info-card {
    padding: 1.75rem 1.25rem;
  }
  .vault-big-num {
    font-size: 2.2rem;
  }
  .modal-card {
    margin: 1rem;
    max-width: calc(100vw - 2rem);
  }
}