/* ==========================================================================
   ORBIAN INTERNATIONAL COLLEGE — design tokens
   Direction: academic ledger / transcript. Thin gold hairlines carry
   structure instead of filled color blocks (matches prior print collateral,
   also keeps page weight low). Navy + gold + paper only — no gradients.
   ========================================================================== */

:root {
  --navy: #0a1f3d;
  --navy-deep: #071730;
  --gold: #b8912f;
  --gold-soft: #d9c48c;
  --paper: #fbfaf6;
  --ink: #14181f;
  --ink-muted: #4a5061;
  --line: rgba(184, 145, 47, 0.45);
  --line-strong: #b8912f;
  --radius: 2px;
  --max-w: 1180px;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy);
  margin: 0 0 0.4em;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.05; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { color: var(--ink-muted); margin: 0 0 1em; }

.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

.rule-thick { border-top: 2px solid var(--navy); }

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-top {
  border-bottom: 3px solid var(--gold);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img { height: 40px; width: auto; }

.brand-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.brand-word span {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav.main-nav a {
  font-size: 0.88rem;
  color: var(--ink);
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}

nav.main-nav a:hover,
nav.main-nav a[aria-current="page"] {
  color: var(--navy);
  border-bottom-color: var(--gold);
}

.btn {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 22px;
  border: 1px solid var(--navy);
  color: var(--navy);
  background: transparent;
  transition: background 0.15s, color 0.15s;
}

.btn:hover { background: var(--navy); color: var(--paper); }

.btn-gold {
  border-color: var(--gold);
  color: var(--navy);
  background: var(--gold-soft);
}

.btn-gold:hover { background: var(--gold); color: var(--navy-deep); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--navy);
  padding: 8px 10px;
  font-size: 1rem;
}

/* ---------- hero ---------- */

.hero {
  padding: 64px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero-copy .eyebrow { margin-bottom: 14px; display: block; }

.hero-frame {
  border: 1px solid var(--line);
  padding: 10px;
}

.hero-frame img { border: 1px solid var(--navy); }

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  align-items: center;
}

.hero-actions .status {
  font-size: 0.8rem;
  color: var(--ink-muted);
}

.hero-actions .status strong { color: var(--navy); }

/* ---------- ledger stat strip (signature element) ---------- */

.ledger {
  display: grid;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.ledger-cell {
  padding: 22px 20px;
  border-right: 1px solid var(--line);
  text-align: left;
}

.ledger-cell:last-child { border-right: none; }

.ledger-cell .num {
  font-family: var(--font-display);
  font-size: 1.9rem;
  color: var(--navy);
  display: block;
}

.ledger-cell .label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ---------- sections ---------- */

section { padding: 64px 0; }

.section-head {
  max-width: 640px;
  margin-bottom: 40px;
}

.section-head .eyebrow { display: block; margin-bottom: 10px; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.tile {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 26px;
}

.tile img {
  border: 1px solid var(--navy);
  margin-bottom: 16px;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.tile .tag {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 6px;
  display: block;
}

/* ---------- program / admissions table ---------- */

.program-block { margin-bottom: 48px; }

.program-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 2px solid var(--navy);
  padding-bottom: 10px;
  margin-bottom: 0;
  flex-wrap: wrap;
  gap: 8px;
}

.program-head h3 { margin: 0; }

.program-head .affil {
  font-size: 0.78rem;
  color: var(--ink-muted);
  letter-spacing: 0.03em;
}

.detail-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0;
}

.detail-table tr {
  border-bottom: 1px solid var(--line);
}

.detail-table th,
.detail-table td {
  text-align: left;
  padding: 14px 10px;
  vertical-align: top;
  font-size: 0.92rem;
}

.detail-table th {
  width: 190px;
  color: var(--navy);
  font-weight: 600;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
}

.detail-table td { color: var(--ink-muted); }

.placeholder {
  color: var(--gold);
  font-style: italic;
}

.note-box {
  border: 1px solid var(--gold);
  padding: 16px 20px;
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-top: 8px;
  background: rgba(184, 145, 47, 0.06);
}

/* ---------- contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-line {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.contact-line .k {
  width: 110px;
  flex-shrink: 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  padding-top: 2px;
}

.contact-line .v { color: var(--ink); font-weight: 500; }

.map-frame {
  border: 1px solid var(--navy);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.map-frame iframe { width: 100%; height: 100%; border: 0; }

/* ---------- footer ---------- */

footer.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.82);
  margin-top: 64px;
  border-top: 3px solid var(--gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding: 52px 0 32px;
}

.footer-grid h4 {
  color: var(--gold-soft);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-body);
  margin-bottom: 16px;
}

.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; font-size: 0.9rem; }
.footer-grid a:hover { color: var(--gold-soft); }

.footer-brand { display: flex; gap: 12px; align-items: center; margin-bottom: 14px; }
.footer-brand img { height: 36px; }
.footer-brand span { font-family: var(--font-display); font-size: 1.1rem; color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding: 18px 0;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  nav.main-nav { display: none; }
  .nav-toggle { display: inline-block; }
  .hero-grid { grid-template-columns: 1fr; }
  .ledger { grid-template-columns: repeat(2, 1fr); }
  .ledger-cell:nth-child(2) { border-right: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .detail-table th { width: 130px; }
}

nav.main-nav.open {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--paper);
  flex-direction: column;
  align-items: flex-start;
  padding: 16px 28px 24px;
  border-bottom: 1px solid var(--line);
  gap: 14px;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

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