/* ============================================================
   AeroRoute Guide — design system
   Palette: deep navy, sky blue, warm amber.
   Type: Barlow Condensed (display) + Inter (body).
   Responsive: mobile-first refinements at 720 / 980 / 1280.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');

/* Visually-hidden utility — accessible to screen readers, invisible on screen.
   Used for table captions and other off-screen labels required for a11y. */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

:root {
  --ink:        #0a1428;
  --ink-2:      #14233f;
  --ink-3:      #1f3055;
  --paper:      #f7f5ef;
  --paper-2:    #ffffff;
  --paper-3:    #efece2;
  --rule:       #e2dccb;
  --rule-strong:#c8c1ac;
  --muted:      #5b6a85;
  --ink-soft:   #2a3a5e;
  --sky:        #2e7fd1;
  --sky-2:      #1d5fa3;
  --sky-pale:   #dde9f6;
  --amber:      #e08a2e;
  --amber-2:    #b9691a;
  --amber-pale: #f6e4cb;
  --good:       #2f7d59;
  --link:       var(--sky-2);
  --link-hover: var(--amber-2);
  --shadow-sm:  0 1px 2px rgba(10, 20, 40, 0.05);
  --shadow:     0 4px 14px rgba(10, 20, 40, 0.08);
  --shadow-lg:  0 12px 36px rgba(10, 20, 40, 0.18);
  --r-sm: 4px;
  --r:    8px;
  --r-lg: 14px;
  --container-w: 1240px;
  --gutter: 24px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', ui-sans-serif, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: var(--link); text-decoration: none; transition: color 120ms ease; }
a:hover { color: var(--link-hover); text-decoration: underline; text-underline-offset: 2px; }
a:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; border-radius: 2px; }

img, svg { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: 'Barlow Condensed', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.005em;
  line-height: 1.12;
  color: var(--ink);
  margin: 0 0 .5em;
  text-wrap: balance;
}
h1 { font-size: clamp(1.85rem, 4.4vw, 3.25rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.4rem, 2.4vw, 1.95rem); }
h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }

p { margin: 0 0 1em; text-wrap: pretty; }
hr.divider { border: 0; border-top: 1px solid var(--rule); margin: 2.4rem 0 1.6rem; }
.muted { color: var(--muted); }

.container { max-width: var(--container-w); margin: 0 auto; padding: 0 var(--gutter); }

/* Skip link (a11y) — visually-hidden until focused */
.skip-link {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  -webkit-clip-path: inset(50%);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.skip-link:focus {
  position: fixed !important;
  left: 12px; top: 12px;
  width: auto; height: auto;
  margin: 0; clip: auto;
  -webkit-clip-path: none; clip-path: none;
  padding: 10px 14px; background: var(--amber); color: #0a1428;
  font-weight: 700; border-radius: var(--r); z-index: 1000;
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  background: var(--ink);
  background-image:
    radial-gradient(800px 240px at 20% -40%, rgba(46, 127, 209, 0.16), transparent 60%),
    radial-gradient(600px 200px at 100% -20%, rgba(224, 138, 46, 0.10), transparent 60%);
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.04);
  position: relative;
}
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 3px;
  background: linear-gradient(90deg, var(--amber) 0%, var(--amber-2) 60%, var(--sky-2) 100%);
}
.header-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px var(--gutter); gap: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; font-weight: 700; letter-spacing: -0.01em; flex: 0 0 auto; }
.brand:hover { color: #fff; text-decoration: none; }
.brand-mark {
  display: inline-grid; place-items: center;
  width: 32px; height: 32px;
  background: var(--amber); color: #0a1428;
  border-radius: var(--r-sm);
  transform: rotate(45deg);
  font-size: 0; line-height: 0;
  box-shadow: 0 2px 8px rgba(224,138,46,0.35);
}
.brand-mark::after {
  content: ""; width: 14px; height: 14px;
  background: #0a1428; border-radius: 1px;
  transform: rotate(-45deg);
}
.brand-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.35rem, 2.2vw, 1.55rem); font-weight: 800;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  white-space: nowrap;
}
.brand-name-accent { color: var(--amber); }

/* Desktop nav */
.primary-nav { display: flex; gap: 4px; flex-wrap: nowrap; align-items: center; }
.primary-nav a {
  color: rgba(255,255,255,.82);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  transition: background 120ms ease, color 120ms ease;
  white-space: nowrap;
  position: relative;
}
.primary-nav a:hover {
  color: #fff;
  background: rgba(255,255,255,.07);
  text-decoration: none;
}
.primary-nav a[aria-current="page"] {
  color: #fff;
  background: rgba(224,138,46,0.14);
}
.primary-nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  background: var(--amber); border-radius: 2px;
}

/* Mobile hamburger (details/summary, no JS) */
.nav-toggle { display: none; position: relative; }
.nav-toggle > summary {
  list-style: none; list-style-type: none;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--r-sm);
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  text-transform: uppercase; letter-spacing: 0.1em; font-size: .9rem; font-weight: 700;
  -webkit-appearance: none; appearance: none;
}
.nav-toggle > summary::-webkit-details-marker { display: none; }
.nav-toggle > summary::marker { content: ""; display: none; }
.nav-toggle[open] > summary { background: rgba(224,138,46,0.18); border-color: rgba(224,138,46,0.4); }
.nav-toggle-bar { display: block; width: 18px; height: 2px; background: var(--amber); border-radius: 2px; }
.nav-toggle-bar + .nav-toggle-bar { margin-top: 3px; }
.nav-toggle .nav-toggle-label { margin-left: 4px; }
.mobile-nav {
  position: absolute; right: 0; top: calc(100% + 10px); z-index: 60;
  background: var(--ink-2);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--r);
  padding: 8px;
  min-width: 200px;
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; gap: 2px;
}
.mobile-nav a {
  color: rgba(255,255,255,.86);
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 0.98rem;
  font-weight: 500;
}
.mobile-nav a:hover { background: rgba(255,255,255,0.06); color: #fff; text-decoration: none; }
.mobile-nav a[aria-current="page"] {
  background: rgba(224,138,46,0.18); color: #fff;
  box-shadow: inset 3px 0 0 var(--amber);
}

/* ============================================================
   Hero (homepage)
   ============================================================ */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0a1428 0%, #14233f 60%, #1f3055 100%);
  color: #fff;
  padding: clamp(40px, 6vw, 68px) 0 clamp(36px, 5vw, 56px);
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 380px at 80% 20%, rgba(46,127,209,0.22), transparent 55%),
    radial-gradient(700px 320px at 10% 90%, rgba(224,138,46,0.14), transparent 55%);
  pointer-events: none;
}
/* Subtle airplane silhouette decoration */
.hero::after {
  content: "";
  position: absolute;
  right: -60px; top: 24%;
  width: 360px; height: 360px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffffff'><path d='M2.5 19l19-7-19-7 4 7-4 7zm3-7l-1.5-3 11 3-11 3 1.5-3z'/></svg>") no-repeat center/contain;
  opacity: 0.04;
  transform: rotate(-12deg);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  max-width: var(--container-w); margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 56px; align-items: center;
}
.hero-copy { max-width: 720px; min-width: 0; }
.kicker {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .95rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--amber);
  padding-bottom: 10px;
}
.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  margin: 6px 0 18px;
  text-wrap: balance;
}
.hero h1 .hl { color: var(--amber); }
.hero p.lede {
  font-size: clamp(1rem, 1.4vw, 1.12rem); color: rgba(255,255,255,.82);
  max-width: 56ch;
  margin: 0 0 28px;
}

.route-search {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--r-lg);
  padding: 18px;
  display: grid; grid-template-columns: 1fr 1fr auto; gap: 10px;
  align-items: end;
}
.route-search label {
  display: block;
  font-family: 'Barlow Condensed', sans-serif; text-transform: uppercase;
  font-size: .8rem; letter-spacing: 0.12em; font-weight: 700;
  color: rgba(255,255,255,.65);
  margin-bottom: 6px;
}
.route-search input {
  width: 100%;
  background: rgba(10,20,40,0.55);
  border: 1px solid rgba(255,255,255,0.14);
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.6rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 14px;
  border-radius: var(--r);
  min-width: 0;
}
.route-search input::placeholder { color: rgba(255,255,255,0.32); }
.route-search input:focus {
  outline: none; border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(224,138,46,0.25);
}
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px;
  background: var(--amber); color: #0a1428;
  font-weight: 700; font-size: 1rem;
  padding: 14px 22px;
  border: 0; border-radius: var(--r);
  cursor: pointer;
  text-transform: uppercase; letter-spacing: 0.06em;
  font-family: 'Barlow Condensed', sans-serif;
  transition: background 120ms ease, transform 120ms ease, box-shadow 120ms ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary:hover { background: #f4a04d; color: #0a1428; text-decoration: none; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(224,138,46,0.35); }
.btn-primary:active { transform: translateY(0); }

.route-search .hint {
  grid-column: 1 / -1;
  font-size: .82rem; color: rgba(255,255,255,.55);
  margin: 4px 2px 0;
}
.route-search .hint a { color: rgba(255,255,255,0.78); border-bottom: 1px dotted rgba(255,255,255,0.3); text-decoration: none; }
.route-search .hint a:hover { color: var(--amber); border-bottom-color: var(--amber); }

.hero-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
  align-content: center;
}
.hero-stat {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r);
  padding: 18px 20px;
  transition: background 120ms ease, border-color 120ms ease, transform 120ms ease;
}
.hero-stat:hover { background: rgba(255,255,255,0.07); border-color: rgba(224,138,46,0.3); transform: translateY(-1px); }
.hero-stat strong {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.6rem, 2.8vw, 2.4rem); font-weight: 800;
  color: var(--amber);
  line-height: 1; letter-spacing: -0.005em;
  font-variant-numeric: tabular-nums;
}
.hero-stat span {
  display: block; margin-top: 6px;
  font-size: .82rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
}

/* Featured route cards */
.featured-routes {
  background: var(--paper-2);
  border-bottom: 1px solid var(--rule);
  padding: 32px 0;
}
.featured-routes h2 {
  font-size: 1rem; text-transform: uppercase;
  color: var(--muted); margin: 0 0 18px;
  font-family: 'Barlow Condensed', sans-serif; letter-spacing: 0.18em;
}
.featured-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.featured-card {
  display: block;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  padding: 18px 20px;
  transition: border-color 120ms ease, transform 120ms ease, box-shadow 120ms ease;
  position: relative;
  overflow: hidden;
}
.featured-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--amber);
  transform: translateX(-3px); transition: transform 160ms ease;
}
.featured-card:hover {
  border-color: var(--amber);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.featured-card:hover::before { transform: translateX(0); }
.featured-card .pair {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.4rem; font-weight: 700; color: var(--ink);
  letter-spacing: 0.02em;
  display: flex; align-items: center; gap: 10px;
}
.featured-card .pair .arrow {
  color: var(--amber);
  transition: transform 160ms ease;
}
.featured-card:hover .pair .arrow { transform: translateX(4px); }
.featured-card .cities { color: var(--ink-soft); margin-top: 4px; font-size: .95rem; }
.featured-card .meta { color: var(--muted); margin-top: 6px; font-size: .82rem; font-variant-numeric: tabular-nums; }

/* ============================================================
   Main layout (page + sidebar)
   ============================================================ */
.site-main { padding: 36px 0 56px; }
.layout-with-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  align-items: start;
}
.content > .crumbs:first-child { margin-top: 0; }
.content { min-width: 0; }

/* Breadcrumbs */
.crumbs {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 4px 6px;
  font-size: .88rem; color: var(--muted);
  margin: 0 0 18px;
  line-height: 1.5;
}
.crumbs a { color: var(--ink-soft); }
.crumbs a:hover { color: var(--amber-2); }
.crumbs span { color: var(--rule-strong); }

/* Eyebrow + page titles */
.eyebrow {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  text-transform: uppercase; letter-spacing: 0.16em;
  font-size: .82rem; font-weight: 700; color: var(--amber-2);
  margin-bottom: 10px;
}
.page-title { margin-top: 0; margin-bottom: 14px; word-break: break-word; }
.lede { font-size: clamp(1rem, 1.4vw, 1.12rem); color: var(--ink-soft); max-width: 70ch; }

.section-title { margin-top: 2.2rem; margin-bottom: 6px; }
.section-sub { color: var(--muted); margin-top: 0; margin-bottom: 14px; }

/* Stat strip on detail pages */
.stat-strip {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px;
  margin: 18px 0 24px;
}
.stat {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  padding: 16px 18px;
  min-width: 0;
}
.stat strong {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.35rem, 2vw, 1.7rem); font-weight: 800;
  color: var(--ink);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}
.stat span {
  display: block; margin-top: 6px;
  font-size: .76rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted);
}

/* Tables */
.table {
  width: 100%; border-collapse: collapse;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  overflow: hidden;
  margin-bottom: 1.4rem;
  font-size: .94rem;
}
.table th, .table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--rule); vertical-align: top; }
.table th {
  background: var(--paper-3); color: var(--ink);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; font-size: .82rem;
  white-space: nowrap;
}
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: rgba(46,127,209,0.04); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.table .iata a {
  font-family: 'Barlow Condensed', sans-serif; font-weight: 700; letter-spacing: 0.06em;
  font-size: 1.05rem; text-transform: uppercase;
}
.iata { font-family: 'Barlow Condensed', sans-serif; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.pill {
  display: inline-block; padding: 1px 7px; border-radius: 999px;
  background: var(--paper-3); color: var(--muted);
  font-size: .72rem; letter-spacing: 0.06em;
  vertical-align: middle;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1.4rem;
  border-radius: var(--r);
}
.table-wrap .table { margin-bottom: 0; min-width: 480px; }
.table-wrap::-webkit-scrollbar { height: 8px; }
.table-wrap::-webkit-scrollbar-thumb { background: var(--rule-strong); border-radius: 4px; }

/* Card grids */
.card-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px;
  margin-bottom: 1.2rem;
}
.card-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
  display: block;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  padding: 16px 18px;
  transition: border-color 120ms ease, transform 120ms ease, box-shadow 120ms ease;
  min-width: 0;
}
.card:hover {
  border-color: var(--amber);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card-title { font-weight: 600; color: var(--ink); margin: 0 0 4px; word-break: break-word; }
.card-meta { color: var(--muted); font-size: .9rem; }

/* Pager */
.pager {
  display: flex; flex-wrap: wrap; gap: 4px;
  margin: 14px 0 18px;
}
.pager a, .pager span {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
  font-size: .9rem;
  background: var(--paper-2);
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}
.pager a:hover { background: var(--paper-3); border-color: var(--rule-strong); text-decoration: none; }
.pager .current { background: var(--ink); color: #fff; border-color: var(--ink); font-weight: 600; }

/* Prose */
.prose { max-width: 76ch; }
.prose h2 { margin-top: 1.8rem; }
.prose p { color: var(--ink-soft); }
.prose ul { padding-left: 1.4em; color: var(--ink-soft); }
.prose ul li { margin-bottom: .35em; }

.notice {
  background: var(--sky-pale);
  border-left: 3px solid var(--sky);
  padding: 12px 14px;
  border-radius: var(--r-sm);
  color: var(--ink);
  margin: 0 0 16px;
}

/* ============================================================
   Sidebar
   ============================================================ */
.sidebar { display: grid; gap: 16px; align-content: start; position: sticky; top: 16px; }
.sidebar-card {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  padding: 16px 18px;
}
.sidebar-card.subtle { background: var(--paper-3); }
.sidebar-card.dark {
  background: var(--ink); color: #fff; border-color: var(--ink);
}
.sidebar-card.dark h3 { color: #fff; }
.sidebar-card.dark a { color: rgba(255,255,255,.85); }
.sidebar-card.dark a:hover { color: var(--amber); }
.sidebar-card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .92rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--ink); margin: 0 0 10px;
}
.sidebar-card p { font-size: .9rem; color: var(--ink-soft); margin: 0 0 8px; }
.sidebar-list { list-style: none; padding: 0; margin: 0; }
.sidebar-list li { border-bottom: 1px dashed var(--rule); }
.sidebar-list li:last-child { border-bottom: 0; }
.sidebar-list a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 0; font-size: .94rem;
  gap: 8px;
}
.sidebar-list a::after { content: "›"; color: var(--rule-strong); flex: 0 0 auto; }
.sidebar-list a:hover::after { color: var(--amber); }

.related-resources li a small {
  display: block; color: var(--muted); font-size: .78rem; margin-top: 2px;
  font-weight: 400; line-height: 1.4;
}
.related-resources li a {
  display: block; padding: 10px 0; line-height: 1.35;
}
.related-resources li a::after { content: ""; }
.disclosure {
  font-size: .72rem; color: var(--muted); margin-top: 6px;
  border-top: 1px solid var(--rule); padding-top: 8px;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--ink); color: rgba(255,255,255,0.78);
  padding: 44px 0 24px;
  margin-top: 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 32px;
  padding-bottom: 28px;
}
.footer-brand {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.6rem; font-weight: 800; letter-spacing: 0.04em;
  color: #fff; text-transform: uppercase;
}
.footer-tag { color: rgba(255,255,255,.6); max-width: 38ch; margin-top: 8px; }
.site-footer h4 {
  font-family: 'Barlow Condensed', sans-serif;
  text-transform: uppercase; letter-spacing: 0.14em;
  font-size: .82rem; color: var(--amber); margin-bottom: 12px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 7px; }
.site-footer a { color: rgba(255,255,255,.78); }
.site-footer a:hover { color: var(--amber); }
.footer-legal {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 20px;
  font-size: .82rem; color: rgba(255,255,255,.5);
}

/* ============================================================
   Responsive breakpoints
   1280 — content width tighten
   980  — sidebar stacks below, hero collapses to single column
   720  — switch to mobile nav (hamburger), tighter type
   480  — mobile portrait polish
   ============================================================ */
@media (max-width: 1280px) {
  :root { --gutter: 22px; }
}

@media (max-width: 980px) {
  .layout-with-sidebar { grid-template-columns: 1fr; gap: 32px; }
  .sidebar { position: static; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .featured-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stat-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-grid, .card-grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero::after { width: 280px; height: 280px; right: -80px; opacity: 0.03; }
}

@media (max-width: 900px) {
  .primary-nav { display: none; }
  .nav-toggle { display: block; }
}

@media (max-width: 720px) {
  :root { --gutter: 18px; }
  .header-row { padding: 12px var(--gutter); gap: 12px; }
  .site-main { padding: 24px 0 40px; }
  .hero { padding: 36px 0 32px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .hero-stat { padding: 14px 16px; }
  .route-search { grid-template-columns: 1fr 1fr; padding: 14px; gap: 10px; }
  .route-search button { grid-column: 1 / -1; padding: 12px; }
  .route-search input { font-size: 1.4rem; padding: 9px 12px; }
  .featured-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat { padding: 12px 14px; }
  .card-grid, .card-grid.cols-2, .card-grid.cols-4 { grid-template-columns: 1fr; }
  .crumbs { font-size: .82rem; }
  .table th, .table td { padding: 8px 10px; font-size: .88rem; }
  .table th { font-size: .76rem; }
  .featured-card { padding: 14px 16px; }
  .featured-card .pair { font-size: 1.25rem; }
  .hero::after { display: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.85rem; }
  .page-title { font-size: 1.7rem; }
  .stat-strip { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: auto; }
  .route-search { grid-template-columns: 1fr; }
  .route-search input { font-size: 1.3rem; }
  .brand-name { font-size: 1.2rem; }
  .hero-stat strong { font-size: 1.55rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}

/* Print: drop chrome */
@media print {
  .site-header, .site-footer, .sidebar, .hero, .nav-toggle, .skip-link { display: none; }
  body { background: #fff; }
  .layout-with-sidebar { grid-template-columns: 1fr; }
}