/* ============================================================
   ETAS / WMU DESIGN SYSTEM
   Institutional, trustworthy, modern. Deep academic navy +
   a confident engineering cyan, warm neutral paper, and a
   gold honour accent for awards/credentials.
   ============================================================ */

:root {
  /* Palette */
  --navy:        #0B1F3A;   /* primary brand — deep academic navy */
  --navy-700:    #13294B;
  --navy-600:    #1C3A63;
  --cyan:        #17B6C4;   /* engineering accent — signal cyan */
  --cyan-600:    #0E8E9A;
  --gold:        #C9A227;   /* honour / credential accent */
  --paper:       #F7F6F2;   /* warm neutral background */
  --paper-2:     #EFEDE6;
  --ink:         #14181F;   /* body text */
  --ink-soft:    #4A5464;
  --line:        #E2DFD6;
  --white:       #FFFFFF;
  --success:     #1F9D6B;
  --danger:      #C0392B;

  /* Type */
  --display: "Fraunces", "Georgia", serif;         /* characterful display */
  --body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Scale */
  --step--1: clamp(.83rem, .8rem + .2vw, .92rem);
  --step-0:  clamp(1rem, .96rem + .25vw, 1.12rem);
  --step-1:  clamp(1.2rem, 1.1rem + .5vw, 1.5rem);
  --step-2:  clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
  --step-3:  clamp(2rem, 1.6rem + 2vw, 3.2rem);
  --step-4:  clamp(2.6rem, 2rem + 3vw, 4.6rem);

  --container: 1180px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 18px 50px -24px rgba(11,31,58,.35);
  --shadow-sm: 0 6px 20px -12px rgba(11,31,58,.28);
  --gap: clamp(1rem, 3vw, 2.4rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: var(--step-0);
  line-height: 1.62;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan-600); text-decoration: none; }
a:hover { text-decoration: underline; }
h1,h2,h3,h4 { font-family: var(--display); font-weight: 600; line-height: 1.1; color: var(--navy); margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }
p { margin: 0 0 1em; }
.container { width: min(var(--container), 92%); margin-inline: auto; }
.eyebrow {
  font-family: var(--mono); font-size: var(--step--1); letter-spacing: .18em;
  text-transform: uppercase; color: var(--cyan-600); font-weight: 500;
  display: inline-block; margin-bottom: .8rem;
}
.lead { font-size: var(--step-1); color: var(--ink-soft); line-height: 1.5; }
.section { padding: clamp(3rem, 8vw, 6.5rem) 0; }
.section--tint { background: var(--paper-2); }
.section--navy { background: var(--navy); color: #DCE3EE; }
.section--navy h1,.section--navy h2,.section--navy h3 { color: #fff; }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }
.maxw-60 { max-width: 60ch; }
.maxw-72 { max-width: 72ch; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--body); font-weight: 600; font-size: var(--step-0);
  padding: .85em 1.5em; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  text-decoration: none; line-height: 1;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn--primary { background: var(--cyan); color: var(--navy); box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--cyan-600); color: #fff; }
.btn--gold { background: var(--gold); color: var(--navy); }
.btn--ghost { background: transparent; border-color: currentColor; color: inherit; }
.btn--nav { background: var(--gold); color: var(--navy); padding: .6em 1.2em; }
.btn--lg { padding: 1em 2em; font-size: var(--step-1); }

/* ============================================================
   Header / Nav — tier-one two-tier pattern
   utility bar (secondary) · main bar (brand · menu · actions)
   signature: gold underline wipe on nav hover; condense on scroll
   ============================================================ */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.97); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--line); box-shadow: 0 4px 18px rgba(11,31,58,.06); }
.site-header::before { content: ""; display: block; height: 3px; background: linear-gradient(90deg, var(--navy), var(--cyan) 55%, var(--gold)); }


/* utility bar */
.util { background: var(--navy); color: rgba(255,255,255,.8); font-size: .73rem; letter-spacing: .02em; }

.util__in { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 36px; }
.util__note { margin: 0; opacity: .72; }
.util__links { display: flex; gap: 1.3rem; }
.util__links a { color: rgba(255,255,255,.8); font-weight: 500; }
.util__links a:hover { color: #fff; text-decoration: none; }
.util__links a:last-child { color: #E7C766; }

/* main bar */
.nav { display: flex; align-items: center; gap: 1.4rem; min-height: 66px; }

.brand { display: flex; align-items: center; gap: .6rem; flex: 0 0 auto; }
.brand:hover { text-decoration: none; }
.brand__mark { width: 34px; height: 34px; border-radius: 9px; flex: 0 0 auto; background: linear-gradient(135deg, var(--navy), var(--navy-600)); color: #fff; display: grid; place-items: center; font-weight: 700; font-family: var(--body); letter-spacing: .02em; font-size: .72rem; }
.brand__logo { height: 42px; width: auto; display: block; flex: 0 0 auto; }

.brand__mark--hb { background: linear-gradient(135deg, #6A1B2A, #A32C3E); }
.brand__name { font-family: var(--display); font-weight: 600; font-size: 1rem; line-height: 1.12; color: var(--navy); letter-spacing: .01em; max-width: 15rem; }

.nav__center { flex: 1 1 auto; display: flex; justify-content: center; }
.nav__links { display: flex; align-items: center; gap: .1rem; list-style: none; margin: 0; padding: 0; }
.nav__links > li { display: flex; }
.nav__links > li > a { position: relative; display: inline-flex; align-items: center; gap: .34rem; line-height: 1; color: var(--navy); font-weight: 500; font-size: .82rem; letter-spacing: .012em; padding: .6rem .8rem; white-space: nowrap; }
.nav__links > li > a::after { content: ""; position: absolute; left: .8rem; right: .8rem; bottom: .42rem; height: 2px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .22s ease; }
.nav__links > li > a:hover { color: var(--navy); text-decoration: none; }
.nav__links > li > a:hover::after, .nav__links > li > a:focus-visible::after, .has-sub:hover > a::after { transform: scaleX(1); }
.caret { width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid currentColor; opacity: .5; transition: transform .18s; }
.has-sub:hover .caret { transform: rotate(180deg); }

.nav__actions { display: flex; align-items: center; gap: .7rem; flex: 0 0 auto; }
.nav__search { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; border: 0; background: transparent; color: var(--navy); cursor: pointer; transition: background .18s; }
.nav__search:hover { background: var(--paper-2); }
.btn--sm { padding: .55em 1.1em; font-size: .82rem; }
.btn--ghost { background: transparent; color: var(--navy); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--navy); }

.nav__drawer-links { display: none; }
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: .4rem; margin-left: auto; }
.nav__toggle span { display: block; width: 25px; height: 2px; background: var(--navy); margin: 5px 0; transition: .2s; }

/* dropdown */
.has-sub { position: relative; }
.submenu { position: absolute; top: calc(100% - .2rem); left: 0; min-width: 250px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow); padding: .5rem; list-style: none; margin: 0; opacity: 0; visibility: hidden; transform: translateY(6px); transition: .18s; }
.has-sub:hover .submenu, .has-sub:focus-within .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu a { display: block; padding: .55rem .75rem; border-radius: 7px; font-size: .9rem; color: var(--navy); white-space: nowrap; }
.submenu a:hover { background: var(--paper-2); text-decoration: none; }

/* search panel */
.search-panel { border-top: 1px solid var(--line); background: #fff; }
.search-panel[hidden] { display: none; }
.search-panel__in { display: flex; align-items: center; gap: .6rem; padding: .85rem 0; }
.search-panel input { flex: 1 1 auto; border: 1px solid var(--line); border-radius: 11px; padding: .75rem 1rem; font-size: 1rem; font-family: inherit; }
.search-panel input:focus { outline: 2px solid var(--cyan); outline-offset: 1px; border-color: transparent; }

/* focus visibility (a11y floor) */
.nav a:focus-visible, .util a:focus-visible, .nav__search:focus-visible, .nav__toggle:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; border-radius: 4px; }

/* collapse to a drawer before the bar can crowd */
@media (max-width: 1024px) {
  .util { display: none; }
  .brand__name { max-width: none; font-size: .98rem; }
  .nav { flex-wrap: wrap; gap: 1rem; }
  .nav__search { display: none; }
  .nav__toggle { display: block; }
  .nav__center, .nav__drawer-links { flex-basis: 100%; max-height: 0; overflow: hidden; transition: max-height .3s ease; }
  .site-header.nav-open .nav__center { max-height: 70vh; overflow-y: auto; }
  .site-header.nav-open .nav__drawer-links { max-height: 50vh; padding: .6rem 0 .3rem; margin-top: .3rem; border-top: 1px solid var(--paper-2); }
  .nav__center { display: block; }
  .nav__links { flex-direction: column; align-items: stretch; gap: .05rem; }
  .nav__links > li { display: block; }
  .nav__links > li > a { padding: .85rem .3rem; border-bottom: 1px solid var(--paper-2); font-size: .95rem; }
  .nav__links > li > a::after { display: none; }
  .has-sub .caret { display: none; }
  .submenu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 .3rem 1rem; margin: 0; min-width: 0; }
  .nav__drawer-links { display: flex; flex-direction: column; align-items: stretch; }
  .nav__drawer-links a { padding: .7rem .3rem; color: var(--navy); font-size: .92rem; font-weight: 500; }
  .nav__actions { margin-left: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .nav__links > li > a::after, .caret, .util, .nav, .submenu { transition: none; }
}

/* Hero */
.hero { position: relative; background: var(--navy); color: #fff; overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--gap); align-items: center; padding: clamp(3rem, 8vw, 6rem) 0; }
.hero h1 { color: #fff; margin-bottom: .3em; }
.hero__sub { font-size: var(--step-1); color: #AFC0D8; max-width: 46ch; }
.hero__cta { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.6rem; }
.hero__art {
  aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(135deg, var(--navy-600), var(--navy-700));
  border: 1px solid rgba(255,255,255,.1); position: relative;
}
.hero::before {
  content:""; position: absolute; inset: 0; opacity: .5;
  background:
    radial-gradient(600px 300px at 80% 10%, rgba(23,182,196,.22), transparent),
    radial-gradient(500px 260px at 10% 90%, rgba(201,162,39,.14), transparent);
}
.hero .container { position: relative; z-index: 1; }
@media (max-width: 820px){ .hero__grid { grid-template-columns: 1fr; } }

/* Cards / grids */
.grid { display: grid; gap: var(--gap); }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }
@media (max-width: 900px){ .grid-3,.grid-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; } }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .18s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card__icon { width: 46px; height: 46px; border-radius: 12px; background: var(--paper-2); color: var(--cyan-600); display: grid; place-items: center; margin-bottom: 1rem; }
.card__icon svg { width: 24px; height: 24px; }
.card h3 { font-size: var(--step-1); }
.card .btn { margin-top: auto; align-self: flex-start; }
.tag {
  display: inline-block; font-family: var(--mono); font-size: .72rem; letter-spacing: .06em;
  text-transform: uppercase; padding: .3em .7em; border-radius: 999px;
  background: var(--paper-2); color: var(--navy-600); margin-bottom: .8rem;
}
.tag--gold { background: rgba(201,162,39,.16); color: #8A6D0E; }
.tag--cyan { background: rgba(23,182,196,.14); color: var(--cyan-600); }

/* Stat band */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--gap); text-align: center; }
.stat__num { font-family: var(--display); font-size: var(--step-3); color: var(--cyan); line-height: 1; }
.stat__lbl { font-size: var(--step--1); color: #AFC0D8; text-transform: uppercase; letter-spacing: .1em; margin-top: .4rem; }
@media (max-width: 720px){ .stats { grid-template-columns: repeat(2,1fr); } }

/* Steps / process */
.steps { counter-reset: s; display: grid; gap: 1.2rem; }
.step { display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; align-items: start; }
.step__n {
  counter-increment: s; width: 46px; height: 46px; border-radius: 50%;
  background: var(--navy); color: #fff; display: grid; place-items: center;
  font-family: var(--display); font-size: 1.2rem; flex: 0 0 auto;
}
.step__n::before { content: counter(s); }

/* Table */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table.data { width: 100%; border-collapse: collapse; background: #fff; font-size: .95rem; min-width: 560px; }
table.data th, table.data td { text-align: left; padding: .85rem 1rem; border-bottom: 1px solid var(--line); }
table.data thead th { background: var(--navy); color: #fff; font-family: var(--body); font-weight: 600; font-size: .85rem; letter-spacing: .03em; }
table.data tbody tr:hover { background: var(--paper); }

/* CTA banner */
.cta-band { background: linear-gradient(120deg, var(--navy), var(--navy-600)); color: #fff; border-radius: var(--radius); padding: clamp(2rem,5vw,3.5rem); text-align: center; box-shadow: var(--shadow); }
.cta-band h2 { color: #fff; }
.cta-band .lead { color: #AFC0D8; }

/* Footer */
.site-footer { background: var(--navy); color: #9FB0C8; padding: 3.5rem 0 2rem; font-size: .93rem; }
.site-footer h4 { color: #fff; font-family: var(--body); font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 1rem; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: var(--gap); }
.footer__grid a { color: #9FB0C8; display: block; padding: .2rem 0; }
.footer__grid a:hover { color: var(--cyan); text-decoration: none; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 2.5rem; padding-top: 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: .85rem; }
@media (max-width: 820px){ .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px){ .footer__grid { grid-template-columns: 1fr; } }

/* Breadcrumb + page header */
.page-head { background: var(--navy); color: #fff; padding: clamp(2.5rem,6vw,4rem) 0; }
.page-head h1 { color: #fff; margin: 0; }
.crumb { font-family: var(--mono); font-size: .8rem; color: var(--cyan); letter-spacing: .05em; margin-bottom: .8rem; }
.crumb a { color: #AFC0D8; }

/* Utilities */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){ * { animation: none !important; transition: none !important; scroll-behavior: auto; } .reveal { opacity: 1; transform: none; } }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; border-radius: 4px; }
.skip { position: absolute; left: -999px; background: #fff; padding: .6rem 1rem; z-index: 999; }
.skip:focus { left: 1rem; top: .5rem; }
.badge-row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.pill { display:inline-flex; align-items:center; gap:.4rem; padding:.4rem .9rem; border-radius:999px; background:#fff; border:1px solid var(--line); font-size:.85rem; font-weight:500; }

/* ============================================================
   Interior detail pages (majors, degrees) — pg-
   ============================================================ */
.pg-hero{position:relative;background:var(--navy);color:#EAF1FB;overflow:hidden}
.pg-hero__motif{position:absolute;inset:0;pointer-events:none}
.pg-hero__motif svg{position:absolute;right:-40px;top:50%;transform:translateY(-50%);height:120%;opacity:.5}
.pg-hero__in{position:relative;padding:3.4rem 0 3rem;max-width:62ch}
.pg-crumb{font-size:.82rem;color:#9fb3cf;margin-bottom:1rem;display:flex;gap:.5rem;flex-wrap:wrap}
.pg-crumb a{color:#9fb3cf}.pg-crumb a:hover{color:#fff}
.pg-emblem{width:60px;height:60px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;margin-bottom:1.1rem}
.pg-emblem svg{width:34px;height:34px}
.pg-hero h1{font-family:var(--display);font-weight:600;font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.06;margin:0 0 .7rem}
.pg-hero__lede{font-size:1.1rem;line-height:1.55;color:#C3D0E6;max-width:52ch}
.pg-meta{display:flex;flex-wrap:wrap;gap:1.4rem;margin-top:1.4rem;font-size:.86rem;color:#9fb3cf}
.pg-meta b{color:#fff;font-weight:600;display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.15rem}
.pg-hair{position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--gold))}

.pg-wrap{display:grid;grid-template-columns:1fr 300px;gap:3rem;padding:3rem 0}
.pg-main h2{font-family:var(--display);font-weight:600;font-size:1.5rem;color:var(--navy);margin:2rem 0 .7rem;line-height:1.2}
.pg-main h2:first-child{margin-top:0}
.pg-main p{color:var(--ink);line-height:1.7;font-size:1.02rem}
.pg-list{list-style:none;margin:.8rem 0 0;padding:0;display:grid;gap:.5rem}
.pg-list li{position:relative;padding-left:1.6rem;color:var(--ink);line-height:1.5}
.pg-list li::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:2px;background:var(--cyan);transform:rotate(45deg)}
.pg-tracks{display:grid;gap:.8rem;margin-top:1rem}
.pg-track{border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:.9rem 1.1rem;background:#fff;font-weight:600;color:var(--navy);font-size:.95rem}
.pg-chips{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1rem}
.pg-chip{background:var(--paper-2);border:1px solid var(--line);border-radius:100px;padding:.45rem 1rem;font-size:.88rem;color:var(--navy)}
.pg-aside{align-self:start;position:sticky;top:96px;display:grid;gap:1rem}
.pg-card{border:1px solid var(--line);border-radius:16px;padding:1.4rem;background:#fff}
.pg-card h3{font-family:var(--display);font-weight:600;font-size:1.05rem;color:var(--navy);margin:0 0 .5rem}
.pg-card p{font-size:.9rem;color:var(--ink-soft);line-height:1.55;margin:0 0 .8rem}
.pg-card .btn{width:100%;justify-content:center}
.pg-card--navy{background:var(--navy);color:#fff;border-color:var(--navy)}
.pg-card--navy h3{color:#fff}.pg-card--navy p{color:#C3D0E6}
.pg-degchips{display:flex;flex-direction:column;gap:.5rem;margin-top:.4rem}
.pg-degchips a{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:10px;padding:.6rem .8rem;font-size:.88rem;font-weight:600;color:var(--navy)}
.pg-degchips a:hover{border-color:var(--cyan);text-decoration:none}
@media(max-width:820px){.pg-wrap{grid-template-columns:1fr;gap:1.5rem}.pg-aside{position:static}.pg-hero__motif{opacity:.5}}


/* Active nav link (issue 5) */
.nav__links > li > a.is-active { color: var(--navy); }
.nav__links > li > a.is-active::after { transform: scaleX(1); background: var(--gold); }
.submenu a.is-active { background: var(--paper-2); color: var(--navy); font-weight:600; }
.util__links a.is-active { color: #E7C766; }
.submenu__divider { padding:.55rem .75rem .25rem; font-family:var(--mono); font-size:.68rem; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-soft); border-top:1px solid var(--paper-2); margin-top:.3rem; cursor:default; }