:root {
  --ink: #172033;
  --muted: #5f6878;
  --line: #d9e2ed;
  --paper: #ffffff;
  --soft: #eef6ff;
  --blue: #1f69d5;
  --teal: #008d84;
  --gold: #c7922d;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f6f8fb;
}
a { color: inherit; text-decoration: none; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
  padding: 0 40px;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 260px; }
.brand span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: white;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--teal));
}
.brand strong { font-size: 14px; letter-spacing: 0; }
.site-nav ul { display: flex; align-items: center; gap: 6px; padding: 0; margin: 0; list-style: none; }
.nav-item { position: relative; }
.site-nav a, .menu-toggle {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 7px;
  font-size: 14px;
  color: #2d3748;
}
.site-nav a:hover, .nav-item.is-active > a, .contact-link { background: #eaf2ff; color: var(--blue); }
.mega {
  position: absolute;
  top: 46px;
  left: 0;
  display: none;
  width: 280px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 18px 50px rgba(21, 37, 64, .14);
}
.nav-item:hover .mega { display: grid; gap: 4px; }
.mega a { justify-content: flex-start; min-height: 38px; }
.mega a.is-current { background: #e7f7f5; color: var(--teal); }
.menu-toggle { display: none; border: 1px solid var(--line); background: white; cursor: pointer; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 36px;
  align-items: center;
  padding: 64px 40px 48px;
  background: linear-gradient(135deg, #f7fbff 0%, #eaf5ff 48%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}
.hero-copy { max-width: 850px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; color: var(--muted); font-size: 13px; }
.breadcrumbs a { color: var(--blue); }
.crumb-sep { color: #98a2b3; }
.eyebrow, .section-kicker {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1, h2, h3, p { letter-spacing: 0; }
h1 { margin: 0; max-width: 980px; font-size: 48px; line-height: 1.04; }
h2 { margin: 0 0 14px; font-size: 32px; line-height: 1.14; }
h3 { margin: 0 0 10px; font-size: 21px; }
.hero p, .section p, .site-footer p { color: var(--muted); line-height: 1.72; }
.hero p { max-width: 760px; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 7px;
  font-weight: 800;
  font-size: 14px;
}
.btn-primary { color: white; background: var(--blue); }
.btn-secondary { color: var(--ink); background: white; border: 1px solid var(--line); }
.hero-card {
  display: grid;
  gap: 8px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 24px 80px rgba(31, 105, 213, .14);
}
.hero-card span { color: var(--gold); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.hero-card strong { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.hero-card strong:last-child { border-bottom: 0; padding-bottom: 0; }
.section { max-width: 1180px; margin: 0 auto; padding: 58px 40px; }
.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 24px; }
.route-card {
  display: grid;
  gap: 10px;
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}
.route-card:hover { border-color: var(--blue); box-shadow: 0 16px 42px rgba(23, 32, 51, .08); }
.route-card span { color: var(--teal); font-weight: 800; font-size: 13px; }
.route-card strong { font-size: 22px; line-height: 1.2; }
.route-card em { color: var(--muted); font-style: normal; line-height: 1.55; }
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 24px; }
.project-card {
  overflow: hidden;
  display: grid;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}
.project-card:hover { border-color: var(--blue); box-shadow: 0 18px 46px rgba(23, 32, 51, .10); }
.project-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}
.project-card span, .project-card strong, .project-card em { margin-inline: 20px; }
.project-card span { margin-top: 10px; color: var(--teal); font-size: 13px; font-weight: 900; text-transform: uppercase; }
.project-card strong { font-size: 22px; line-height: 1.2; }
.project-card em { margin-bottom: 20px; color: var(--muted); font-style: normal; line-height: 1.55; }
.project-detail { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr); gap: 34px; align-items: start; }
.project-visual {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 18px 48px rgba(23, 32, 51, .08);
}
.project-visual img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.project-body { display: grid; align-content: start; }
.project-body .btn { justify-self: start; margin-top: 24px; }
.tier-map { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 24px; }
.tier-map div { display: grid; gap: 8px; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: white; }
.tier-map a:first-child { color: var(--blue); font-weight: 900; }
.tier-map a:not(:first-child) { color: var(--muted); font-size: 14px; }
.split-band {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 30px;
  max-width: none;
  background: #172033;
  color: white;
}
.split-band p { color: #dce7f7; }
.feature-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.feature-list p { margin: 0; padding: 16px; border: 1px solid rgba(255,255,255,.18); border-radius: 8px; }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 38px; }
.check-list { display: grid; gap: 12px; padding: 0; margin: 24px 0 0; list-style: none; }
.check-list li { padding: 14px 16px; border-left: 4px solid var(--teal); background: white; color: #2e394a; }
.side-panel { align-self: start; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: white; }
.side-panel span { color: var(--gold); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.contact-panel { display: grid; grid-template-columns: 1fr 360px; gap: 32px; }
.contact-methods { display: grid; gap: 12px; align-content: center; }
.contact-methods a {
  display: flex;
  align-items: center;
  min-height: 54px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--blue);
  font-weight: 800;
}
.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  padding: 34px 40px;
  background: white;
  border-top: 1px solid var(--line);
}
.site-footer div:last-child { display: grid; gap: 8px; align-content: center; color: var(--blue); font-weight: 800; }
@media (max-width: 900px) {
  .site-header { padding: 0 18px; flex-wrap: wrap; }
  .brand { min-width: 0; }
  .brand strong { max-width: 220px; }
  .menu-toggle { display: inline-flex; }
  .site-nav { display: none; width: 100%; }
  .site-nav.is-open { display: block; }
  .site-nav ul { display: grid; gap: 4px; padding-bottom: 16px; }
  .nav-item:hover .mega, .mega { position: static; display: grid; width: auto; border: 0; box-shadow: none; background: #f6f8fb; }
  .hero { grid-template-columns: 1fr; padding: 40px 18px; }
  h1 { font-size: 36px; }
  h2 { font-size: 27px; }
  .section { padding: 42px 18px; }
  .card-grid, .project-grid, .project-detail, .tier-map, .split-band, .two-col, .contact-panel, .site-footer { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
}