/* Shared layout: base, header + mobile menu, section heads, buttons, tables, footer. */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: 17px;
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: var(--maroon); }
a:hover { color: var(--maroon-lt); }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.25; margin: 0; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.container { width: min(var(--container), 100% - 2 * var(--space-6)); margin-inline: auto; }
/* Header and the full-screen home hero use a wider frame so wide monitors are not mostly margin. */
.site-header .container, .hero .container { width: min(var(--container-wide), 100% - 2 * var(--space-6)); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: var(--space-4); top: -60px; z-index: 100;
  background: var(--gold); color: var(--maroon-dk); padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm); font-family: var(--font-display); font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: var(--space-4); }

/* ---------- header ---------- */
.site-header { position: relative; z-index: 20; background: var(--maroon-dk); color: var(--paper); }
.site-header--overlay { position: absolute; inset: 0 0 auto 0; background: transparent; }
.site-header .bar { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }

.brand { display: flex; align-items: center; gap: var(--space-3); color: var(--paper); text-decoration: none; min-width: 0; }
.brand:hover { color: var(--paper); }
.brand .mark { height: 60px; width: auto; filter: drop-shadow(0 4px 10px rgba(0, 0, 0, .35)); }
/* Faculty seal first, then the program mark: faculty | program, largest unit first. */
.brand .seal { height: 60px; width: auto; flex: none; filter: drop-shadow(0 4px 10px rgba(0, 0, 0, .35)); }
.brand .divider, .footer-marks .divider { width: 1px; align-self: stretch; margin-block: 14px; background: rgba(255, 255, 255, .3); flex: none; }
.brand .name { font-family: var(--font-display); line-height: 1.25; min-width: 0; }
.brand .name b { display: block; font-weight: 700; font-size: 17px; }
.brand .name small { display: block; font-weight: 500; font-size: 13px; color: rgba(255, 255, 255, .8); }

.main-nav ul { display: flex; align-items: center; gap: var(--space-1); list-style: none; margin: 0; padding: 0; }
.main-nav a {
  display: block; padding: var(--space-2) 14px; border-radius: var(--radius-full);
  font-family: var(--font-display); font-weight: 500; font-size: 15px;
  color: var(--paper); text-decoration: none; transition: background .2s; white-space: nowrap;
}
/* Just above the hamburger breakpoint the two marks + full menu are tight: trim link padding so nothing wraps. */
@media (min-width: 1101px) and (max-width: 1280px) {
  .main-nav a { padding-inline: 10px; }
}
.main-nav a:hover { background: rgba(255, 255, 255, .14); color: var(--paper); }
.main-nav a[aria-current="page"] { background: rgba(255, 255, 255, .18); }
.main-nav .cta, .btn-gold { background: var(--gold); color: var(--maroon-dk); }
.main-nav .cta:hover, .btn-gold:hover { background: var(--gold-lt); color: var(--maroon-dk); }

.menu-toggle {
  display: none; width: 44px; height: 44px; border: 0; border-radius: var(--radius-full);
  background: rgba(255, 255, 255, .12); color: var(--paper); font-size: 20px; cursor: pointer;
}

@media (max-width: 1100px) {
  .menu-toggle { display: grid; place-items: center; }
  .main-nav {
    position: absolute; top: var(--header-h); left: var(--space-4); right: var(--space-4);
    background: var(--maroon-dk); border-radius: 16px; padding: var(--space-3);
    box-shadow: var(--shadow-lift); display: none;
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; }
  .main-nav a { padding: var(--space-3) var(--space-4); font-size: 17px; }
}
@media (max-width: 520px) {
  :root { --header-h: 80px; }
  .brand .mark { height: 48px; }
  .brand .name b { font-size: 15px; }
  .brand .name small { display: none; }
}
/* Phones: the header is too narrow for two marks; the seal stays in the footer. */
@media (max-width: 640px) {
  .brand .seal, .brand .divider { display: none; }
}

/* ---------- section heads ---------- */
.section { padding-block: var(--space-16); }
.section-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-8); }
.section-tag {
  display: inline-block; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(22px, 2.6vw, 28px); line-height: 1.3; color: var(--maroon-dk); background: var(--gold);
  padding: 4px 44px 4px 24px; clip-path: polygon(0 0, 100% 0, calc(100% - var(--slant-tag)) 100%, 0 100%);
}
.section-lead { color: var(--muted); max-width: 40em; margin-top: var(--space-2); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2); padding: 10px 20px;
  border-radius: var(--radius-full); font-family: var(--font-display); font-weight: 600; font-size: 16px;
  text-decoration: none; border: 2px solid transparent; transition: background .2s, color .2s, border-color .2s;
}
.btn-maroon { background: var(--maroon); color: var(--paper); }
.btn-maroon:hover { background: var(--maroon-dk); color: var(--paper); }
.btn-ghost { border-color: currentColor; color: var(--maroon); }
.btn-ghost:hover { background: var(--maroon); border-color: var(--maroon); color: var(--paper); }

/* ---------- data table (DataTable component) ---------- */
.data-table { width: 100%; border-collapse: collapse; background: var(--paper); border: var(--stroke-table) solid var(--maroon); }
.data-table caption { caption-side: top; text-align: left; font-family: var(--font-display); font-weight: 700; font-size: 20px; color: var(--maroon); padding-bottom: var(--space-2); }
.data-table th {
  background: var(--maroon); color: var(--paper); font-family: var(--font-display); font-weight: 600;
  font-size: 15px; padding: var(--space-2) var(--space-3); text-align: center;
}
.data-table th + th { border-left: 1px solid rgba(255, 255, 255, .35); }
.data-table td { padding: 6px var(--space-3); text-align: center; border-top: 1px solid var(--rule); }
.data-table td + td { border-left: 1px solid var(--rule); }
.data-table th:first-child, .data-table td:first-child { text-align: left; }
.data-table .hl { font-family: var(--font-display); font-weight: 800; color: var(--maroon); font-size: 20px; }
.data-table tr.total td { background: var(--highlight); border-top: var(--stroke-table) solid var(--maroon); font-weight: 600; color: var(--maroon); }

/* ---------- notices ---------- */
.load-error {
  border-left: var(--stroke-accent) solid var(--maroon); background: var(--paper);
  padding: var(--space-3) var(--space-4); color: var(--muted);
}

/* ---------- footer ---------- */
.site-footer { background: var(--maroon-dk); color: rgba(255, 255, 255, .85); padding-top: var(--space-12); }
.site-footer a { color: var(--gold-lt); }
.site-footer a:hover { color: var(--paper); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-8); }
.footer-brand { display: flex; flex-direction: column; gap: var(--space-4); align-items: flex-start; }
.footer-marks { display: flex; align-items: center; gap: var(--space-4); }
.footer-marks .divider { margin-block: 4px; }
.footer-marks img { height: 72px; width: auto; flex: none; }
.footer-brand b { display: block; font-family: var(--font-display); font-size: 18px; color: var(--paper); }
.site-footer h2 { font-size: 16px; color: var(--gold); margin-bottom: var(--space-3); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.site-footer li i { width: 20px; color: var(--gold); }
.footer-bottom {
  margin-top: var(--space-12); padding-block: var(--space-4); border-top: 1px solid rgba(255, 255, 255, .15);
  font-size: 14px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr; } }

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