:root {
  --bg: #0a0e17;
  --bg-surface: #111827;
  --bg-card: #1a2234;
  --bg-accent: #162032;
  --fg: #e8edf5;
  --fg-muted: #8b95a8;
  --fg-dim: #5a6478;
  --accent: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --accent-bright: #fbbf24;
  --success: #10b981;
  --active: #3b82f6;
  --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; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- HERO ---- */
.hero {
  padding: 80px 24px 60px;
  max-width: 1100px;
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-lede {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* route card visual */
.route-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.route-card::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px; right: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--success));
  border-radius: var(--radius) var(--radius) 0 0;
}
.route-header {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 16px;
}
.route-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-origin { background: var(--accent); }
.dot-dest { background: var(--success); }
.route-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--success));
}
.route-cities {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.route-details { display: flex; flex-direction: column; gap: 10px; }
.route-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
}
.route-label { color: var(--fg-muted); }
.route-status {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.82rem;
  padding: 3px 10px;
  border-radius: 100px;
}
.status-done {
  color: var(--success);
  background: rgba(16, 185, 129, 0.1);
}
.status-active {
  color: var(--active);
  background: rgba(59, 130, 246, 0.1);
}

/* ---- PROBLEM ---- */
.problem {
  padding: 80px 24px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.problem-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--accent-bright);
}
.problem p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 40px;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--fg);
}
.stat-label {
  font-size: 0.85rem;
  color: var(--fg-dim);
}

/* ---- FEATURES ---- */
.features {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-header p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s;
}
.feature-card:hover {
  border-color: rgba(255,255,255,0.12);
}
.feature-accent {
  border-color: rgba(245, 158, 11, 0.2);
  background: linear-gradient(160deg, var(--bg-accent), var(--bg-card));
}
.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ---- HOW / CORRIDORS ---- */
.how {
  padding: 80px 24px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.how-inner {
  max-width: 700px;
  margin: 0 auto;
}
.corridors {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.corridor {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.95rem;
}
.active-corridor {
  border-color: rgba(245, 158, 11, 0.3);
  background: linear-gradient(90deg, var(--bg-accent), var(--bg-card));
}
.corridor-route { font-weight: 500; }
.corridor-tag {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 100px;
  color: var(--accent);
  background: var(--accent-glow);
}
.tag-next {
  color: var(--active);
  background: rgba(59, 130, 246, 0.1);
}
.tag-soon {
  color: var(--fg-dim);
  background: rgba(255,255,255,0.04);
}

/* ---- CLOSING ---- */
.closing {
  padding: 100px 24px;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.closing p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 32px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--fg-dim);
}
.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--fg-muted);
}
.footer-sep { opacity: 0.4; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero { padding: 48px 20px 40px; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-visual { order: -1; }
  .stats-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .corridor {
    padding: 14px 18px;
    font-size: 0.88rem;
  }
}