:root {
  --bg: #0a0e1a;
  --bg-surface: #111827;
  --bg-card: #1a2236;
  --fg: #e8eaf0;
  --fg-muted: #8892a8;
  --accent: #3b82f6;
  --accent-bright: #60a5fa;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --success: #10b981;
  --warning: #f59e0b;
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 100px 8% 80px;
  max-width: 900px;
  position: relative;
}

.hero::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -30%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero > * { position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent-bright);
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.hero h1 .accent {
  color: var(--accent-bright);
}

.hero .lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-muted);
  border-left: 2px solid var(--accent);
  padding-left: 14px;
}

/* ===== STATS ===== */
.stats {
  padding: 60px 8% 80px;
  border-top: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1100px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.2s;
}

.stat-card:hover {
  border-color: rgba(59, 130, 246, 0.25);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-bright);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 8%;
}

.features-header {
  max-width: 650px;
  margin-bottom: 64px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.features-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1100px;
}

.feature-block {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 30px;
  transition: transform 0.2s, border-color 0.2s;
}

.feature-block:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.2);
}

.feature-large {
  grid-column: span 2;
}

.feature-icon {
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 18px;
  opacity: 0.8;
}

.feature-block h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-block p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== LOCATIONS ===== */
.locations {
  padding: 100px 8%;
  border-top: 1px solid var(--border);
}

.locations-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1100px;
  align-items: center;
}

.locations-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.locations-text p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

.locations-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.location-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.location-item div:last-child {
  display: flex;
  flex-direction: column;
}

.location-item strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.location-item span {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.tunnel-spec {
  font-family: var(--font-display);
  font-size: 0.78rem !important;
  font-weight: 500;
  color: var(--accent-bright) !important;
  margin-top: 4px;
}

.location-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--success);
  margin-top: 6px;
  flex-shrink: 0;
}

.location-dot.pulse {
  background: var(--warning);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(245, 158, 11, 0); }
}

.location-item.upcoming {
  border-style: dashed;
  border-color: rgba(245, 158, 11, 0.3);
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 8%;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 24px;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 48px 8%;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.footer-meta {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

.footer-powered {
  font-size: 0.78rem;
  color: var(--fg-muted);
  opacity: 0.6;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-large {
    grid-column: span 1;
  }
  .locations-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 80px 6% 60px;
    min-height: 75vh;
  }
  .stats { padding: 48px 6%; }
  .features { padding: 64px 6%; }
  .locations { padding: 64px 6%; }
  .closing { padding: 80px 6%; }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .stat-card { padding: 22px 18px; }
  .stat-number { font-size: 1.6rem; }
  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}