/* Palette: navy #053c92 + MiMS orange accent; Anton + Inter from mileinmyshoes.mn */
:root {
  --orange: #f17331;
  --orange-dark: #c9551a;
  --ink: #053c92;
  --ink-deep: #032a66;
  --text: #1a1f2b;
  --muted: #5f6675;
  --bg: #ffffff;
  --bg-alt: #f2f5fa;
  --line: #dde3ec;
  --radius: 10px;
  --font-display: 'Anton', Impact, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; }
body { margin: 0; font-family: var(--font-body); color: var(--text); background: var(--bg); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: var(--orange-dark); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 400; text-transform: uppercase; letter-spacing: .01em; line-height: 1.05; margin: 0 0 .5em; color: var(--ink); }
h1 { font-size: clamp(3rem, 9vw, 6rem); }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: 1.4rem; }

.container { width: min(1120px, 100% - 32px); margin-inline: auto; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.small { font-size: .875rem; color: var(--muted); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: var(--ink); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-family: var(--font-display); font-size: 1.75rem; color: #fff; text-decoration: none; }
.site-nav { display: flex; gap: 20px; align-items: center; }
.site-nav a { color: #fff; text-decoration: none; font-weight: 600; font-size: .95rem; }
.site-nav a:hover { color: var(--orange); }
.site-nav a.active { color: var(--orange); }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; margin-right: -10px; cursor: pointer; }
.nav-toggle .bar { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle .bar + .bar { margin-top: 6px; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .site-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--ink); padding: 8px 16px 16px; }
  .site-nav.open { display: flex; box-shadow: 0 12px 24px #0006; }
  .site-nav a { padding: 12px 0; border-bottom: 1px solid #ffffff1a; }
  .site-nav .btn { margin-top: 12px; text-align: center; }
}

/* Buttons */
.btn { display: inline-block; background: var(--orange); color: #fff; font-weight: 700; text-decoration: none; padding: 12px 24px; border-radius: 999px; border: 2px solid var(--orange); transition: background .15s; }
.btn:hover { background: var(--orange-dark); border-color: var(--orange-dark); }
.btn-outline { background: transparent; color: #fff; border-color: #fff; }
.btn-outline:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-dark { background: var(--ink); border-color: var(--ink); }
.btn-dark:hover { background: var(--ink-deep); border-color: var(--ink-deep); }
.btn-small { padding: 6px 16px; }
.btn-large { padding: 16px 40px; font-size: 1.15rem; }
.site-nav .btn:hover { color: #fff; }

/* Hero — TODO: set a background photo, e.g. background-image: linear-gradient(#053c92cc,#032a66cc), url(../images/hero.jpg) */
.hero { background: linear-gradient(135deg, var(--ink-deep), var(--ink)); color: #fff; padding: 96px 0 112px; }
.hero h1 { color: #fff; }
.eyebrow { color: var(--orange); font-weight: 700; text-transform: uppercase; letter-spacing: .12em; margin: 0 0 12px; }
.lede { font-size: 1.25rem; max-width: 560px; }
.hero-meta { color: #ffffffcc; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-accent { background: var(--orange); color: var(--ink-deep); }
.section-accent h2 { color: var(--ink-deep); }
.section-dark { background: var(--ink); color: #fff; }
.section-dark h2 { color: #fff; }
.section-accent .small { color: var(--ink-deep); }
.section-intro { color: var(--muted); margin-top: -8px; }

.stats { list-style: none; padding: 0; margin: 32px 0 0; display: flex; gap: 40px; flex-wrap: wrap; }
.stats li { text-transform: uppercase; font-weight: 700; color: var(--muted); font-size: .85rem; letter-spacing: .08em; }
.stats span { display: block; font-family: var(--font-display); font-size: 3.5rem; color: var(--orange); line-height: 1; letter-spacing: 0; }

/* Segments */
.segments { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-top: 32px; }
.segment { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.segment h3 { display: flex; align-items: center; gap: 10px; }
.seg-num { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--orange); color: #fff; font-size: 1.1rem; }
.segment dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0 0 12px; font-size: .95rem; }
.segment dt { color: var(--muted); }
.segment dd { margin: 0; font-weight: 600; }
.route-link { font-weight: 600; text-decoration: none; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 16px 0; }
summary { font-weight: 700; font-size: 1.1rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; color: var(--orange); font-size: 1.4rem; line-height: 1; }
details[open] summary::after { content: '–'; }
details p { margin: 12px 0 0; }

/* Sponsors */
.sponsor-grid { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.sponsor-grid li { aspect-ratio: 3 / 2; display: grid; place-items: center; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin-top: 32px; }
.gallery > * { aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden; }
.gallery img { width: 100%; height: 100%; object-fit: cover; }

.placeholder { background: repeating-linear-gradient(45deg, #e6ebf3, #e6ebf3 10px, #eff2f8 10px, #eff2f8 20px); color: var(--muted); display: grid; place-items: center; font-size: .9rem; }

/* Footer */
.site-footer { background: var(--ink-deep); color: #ffffffb3; padding: 32px 0; text-align: center; }
.site-footer a { color: var(--orange); }
.site-footer .small { color: #ffffff80; }

/* Starting address + full-route tile */
.seg-address { font-style: normal; font-size: .95rem; margin: 0 0 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.seg-address .label { display: block; color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.segment-full { grid-column: 1 / -1; display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; border: 2px solid var(--ink); }
.segment-full .full-map { min-height: 220px; border-radius: 6px; }
.segment-full .seg-num { width: auto; min-width: 36px; padding: 0 8px; border-radius: 18px; background: var(--ink); }
@media (max-width: 700px) { .segment-full { grid-template-columns: 1fr; } }