/* === TOKENS === */
:root {
  --bg-primary: #0B1F3A;
  --bg-secondary: #071428;
  --bg-card: #0D2545;
  --bg-card-alt: #0A1E38;
  --cyan: #00C8FF;
  --cyan-dim: rgba(0, 200, 255, 0.12);
  --cyan-glow: rgba(0, 200, 255, 0.25);
  --amber: #F59E0B;
  --amber-dim: rgba(245, 158, 11, 0.15);
  --text-primary: #E8F4FF;
  --text-secondary: rgba(232, 244, 255, 0.55);
  --text-muted: rgba(232, 244, 255, 0.3);
  --border: rgba(0, 200, 255, 0.12);
  --border-bright: rgba(0, 200, 255, 0.3);
}

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-primary);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
}
.radar-sweep {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 800px;
  height: 800px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid rgba(0,200,255,0.06);
  background: radial-gradient(circle at center, transparent 60%, rgba(0,200,255,0.03) 100%);
}
.radar-sweep::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(0,200,255,0.04);
}
.radar-sweep::after {
  content: '';
  position: absolute;
  inset: 200px;
  border-radius: 50%;
  border: 1px solid rgba(0,200,255,0.04);
}
.flight-paths {
  position: absolute;
  inset: 0;
}
.flight-svg {
  width: 100%;
  height: 100%;
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 0 clamp(24px, 6vw, 96px);
  max-width: 860px;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--border);
  background: var(--cyan-dim);
  padding: 6px 14px;
  border-radius: 2px;
  margin-bottom: 32px;
}
.label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}
.hero-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(72px, 12vw, 160px);
  line-height: 0.92;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  margin-bottom: 28px;
}
.hero-headline .cyan { color: var(--cyan); }
.hero-lede {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.65;
  font-weight: 300;
}

/* === DATAVISION === */
.datavision {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: clamp(64px, 8vw, 120px) clamp(24px, 6vw, 96px);
}
.datavision-inner { max-width: 960px; }
.datavision-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 20px;
}
.datavision-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: 28px;
}
.datavision-headline .cyan { color: var(--cyan); }
.datavision-body {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 640px;
  margin-bottom: 56px;
  font-weight: 300;
}
.datavision-stats {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-wrap: wrap;
}
.stat-item { flex: 1; min-width: 120px; }
.stat-value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  background: var(--border);
  margin: 0 32px;
  align-self: stretch;
}

/* === FEATURES === */
.features {
  padding: clamp(80px, 10vw, 140px) clamp(24px, 6vw, 96px);
  background: var(--bg-primary);
}
.features-inner { max-width: 1100px; }
.features-header { margin-bottom: 64px; }
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}
.features-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1;
  color: var(--text-primary);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.feature-card {
  background: var(--bg-card);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--bg-card-alt); }
.feature-card-primary {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
  background: var(--bg-card-alt);
  border-left: 2px solid var(--cyan);
}
.feature-card-primary .feature-title { font-size: 22px; }
.feature-card-primary .feature-desc { font-size: 15px; }
.feature-icon {
  margin-bottom: 20px;
}
.feature-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px;
  letter-spacing: 0.03em;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 20px;
  font-weight: 300;
}
.feature-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  display: inline-block;
  padding: 4px 10px;
  border-radius: 2px;
  width: fit-content;
}

/* === NETWORK === */
.network {
  padding: clamp(80px, 10vw, 120px) clamp(24px, 6vw, 96px);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.network-inner { max-width: 1100px; }
.network-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.network-globe {
  display: flex;
  justify-content: center;
}
.globe-svg {
  width: 100%;
  max-width: 400px;
  filter: drop-shadow(0 0 40px rgba(0,200,255,0.15));
}
.network-data {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.network-stat {}
.ns-value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 40px;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 8px;
}
.ns-label {
  font-size: 13px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* === CLOSING === */
.closing {
  padding: clamp(100px, 12vw, 180px) clamp(24px, 6vw, 96px);
  background: var(--bg-primary);
  text-align: center;
}
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.closing-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(40px, 6vw, 80px);
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 18px;
  color: var(--text-secondary);
  font-weight: 300;
}

/* === FOOTER === */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 40px clamp(24px, 6vw, 96px);
}
.footer-inner {
  max-width: 1100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.footer-tagline {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-meta {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-card-primary {
    grid-column: 1;
    grid-row: auto;
  }
  .network-visual {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .network-data {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .datavision-stats {
    gap: 24px;
  }
  .stat-divider { display: none; }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .network-data {
    grid-template-columns: 1fr;
  }
  .hero-headline { font-size: 72px; }
}