:root {
  --ink: #101B2D;
  --steel: #44586E;
  --steel-light: #7C8CA0;
  --bg: #EEF1F3;
  --card: #FFFFFF;
  --brass: #B9863F;
  --brass-dark: #96692C;
  --line: #D4D9DE;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Source Serif 4', serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3, .logo-text, .btn, .eyebrow, .process-num, .route-code {
  font-family: var(--font-display);
}

h1 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); line-height: 1.08; margin: 0 0 20px; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin: 0 0 12px; letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; margin: 0 0 8px; }
p { margin: 0 0 16px; color: var(--steel); }

a { color: inherit; }

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass-dark);
  font-weight: 600;
  margin: 0 0 14px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 26px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--brass);
  color: #fff;
}
.btn-primary:hover { background: var(--brass-dark); }
.btn-ghost {
  border-color: var(--ink);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-header {
  padding: 10px 20px;
  font-size: 0.82rem;
  background: var(--ink);
  color: #fff;
}
.btn-header:hover { background: var(--brass-dark); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(238, 241, 243, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.logo-mark {
  font-family: var(--font-mono);
  font-weight: 500;
  border: 1.5px solid var(--ink);
  padding: 4px 8px;
  font-size: 0.85rem;
  border-radius: 2px;
}
.logo-text {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
}
.main-nav { display: flex; gap: 32px; }
.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--steel);
  font-family: var(--font-display);
  font-weight: 500;
}
.main-nav a:hover { color: var(--ink); }

/* Hero */
.hero { padding: 90px 0 70px; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-sub { font-size: 1.05rem; max-width: 480px; }
.hero-actions { display: flex; gap: 16px; margin-top: 30px; }

.route-svg { width: 100%; height: auto; }
.route-line {
  fill: none;
  stroke: var(--steel-light);
  stroke-width: 1.5;
  stroke-dasharray: 4 5;
}
.node circle { fill: var(--brass); }
.node text {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--ink);
  font-weight: 500;
}
.node-code { fill: var(--steel-light) !important; font-size: 10.5px !important; }
.node-dest circle { fill: var(--ink); r: 7; }
.node-dest text { font-weight: 600; }

/* Sections generic */
.section { padding: 80px 0; }
.section h2 { max-width: 640px; }

/* About */
.about { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
}
.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--brass-dark);
}
.stat-label {
  display: block;
  font-size: 0.82rem;
  color: var(--steel);
  max-width: 120px;
}

/* Routes */
.route-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.route-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 30px 26px;
}
.route-code {
  font-family: var(--font-mono);
  color: var(--brass-dark);
  font-weight: 500;
  font-size: 0.85rem;
  margin: 0 0 14px;
  letter-spacing: 0.05em;
}

/* Process */
.process-list {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  max-width: 720px;
}
.process-list li {
  display: flex;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.process-list li:last-child { border-bottom: 1px solid var(--line); }
.process-num {
  font-family: var(--font-mono);
  color: var(--steel-light);
  font-size: 0.9rem;
  padding-top: 2px;
  flex-shrink: 0;
}

/* Request form */
.request { background: var(--card); border-top: 1px solid var(--line); }
.request-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
}
.request-copy h2 { max-width: none; }
.form-row { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }
.form-row-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-row-split > div { display: flex; flex-direction: column; gap: 6px; }
label {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink);
}
input, select, textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--bg);
  color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--brass);
  outline-offset: 1px;
}
.btn-submit { margin-top: 6px; border: none; }
.form-note { margin-top: 12px; font-size: 0.88rem; }

/* Footer */
.site-footer { background: var(--ink); color: #fff; padding-top: 56px; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 40px;
}
.footer-logo { color: #fff; margin: 0 0 8px; font-size: 1rem; }
.footer-tagline { color: #A9B4C0; margin: 0; }
.footer-contact p { color: #A9B4C0; margin: 0 0 6px; }
.footer-contact span { color: #6C7A8C; margin-right: 6px; font-family: var(--font-mono); font-size: 0.8rem; }
.footer-contact a { color: #fff; text-decoration: none; }
.footer-contact a:hover { color: var(--brass); }
.footer-bottom {
  border-top: 1px solid #263349;
  padding: 20px 32px;
}
.footer-bottom p { color: #6C7A8C; font-size: 0.82rem; margin: 0; }

/* Responsive */
@media (max-width: 860px) {
  .hero-inner, .about-grid, .request-grid { grid-template-columns: 1fr; }
  .hero-map { order: -1; max-width: 340px; margin: 0 auto; }
  .route-cards { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .form-row-split { grid-template-columns: 1fr; }
  .about-stats { flex-wrap: wrap; row-gap: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}