/* site.css — public website (home page) for Oxford Global Campus.
   Brand colours come from CSS variables set inline by the page header,
   so the admin's home-page control panel can change them live. */
*{box-sizing:border-box}
:root{
  --primary:#12284b; --accent:#c8a04a; --ink:#1b2540; --muted:#5b6b85;
  --paper:#fbf9f4; --card:#ffffff; --line:#e7e2d6; --primary-2:#1c3a6b;
}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:"Inter",system-ui,Segoe UI,Roboto,sans-serif;
  color:var(--ink);background:var(--paper);line-height:1.6;
}
h1,h2,h3,.serif{font-family:"Fraunces","Libre Baskerville",Georgia,serif;font-weight:600;line-height:1.15}
a{color:var(--primary);text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1120px;margin:0 auto;padding:0 22px}

/* Top bar */
.topbar{background:var(--primary);color:#fff;font-size:13.5px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:42px;gap:16px}
.topbar a{color:#dbe4f2}
.topbar .tb-links a{margin-left:18px}
.btn-portal{background:var(--accent);color:#20160a !important;padding:6px 14px;border-radius:999px;font-weight:600}

/* Header / nav */
.site-head{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.site-head .container{display:flex;align-items:center;justify-content:space-between;height:80px;gap:20px}
.brand{display:flex;align-items:center;gap:14px}
.brand img{width:52px;height:52px;object-fit:contain}
.brand .bname{font-family:"Fraunces",Georgia,serif;font-size:22px;font-weight:600;color:var(--primary);letter-spacing:.3px}
.brand .bsub{font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--accent);font-weight:700}
.nav a{margin-left:26px;color:var(--ink);font-weight:500;font-size:15px}
.nav a:hover{color:var(--accent)}
.nav-toggle{display:none;background:none;border:0;font-size:26px;color:var(--primary);cursor:pointer}

/* Hero */
.hero{position:relative;background:
   linear-gradient(115deg, rgba(18,40,75,.94), rgba(28,58,107,.78)),
   radial-gradient(circle at 80% 20%, rgba(200,160,74,.35), transparent 60%);
   color:#fff;overflow:hidden}
.hero .container{padding-top:76px;padding-bottom:84px;max-width:820px}
.eyebrow{display:inline-block;letter-spacing:4px;text-transform:uppercase;font-size:12px;font-weight:700;color:var(--accent);margin-bottom:18px}
.hero h1{font-size:clamp(30px,5vw,52px);margin:0 0 18px;color:#fff}
.hero p{font-size:19px;color:#dfe7f3;max-width:620px;margin:0 0 30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 26px;border-radius:10px;font-weight:600;font-size:15px;cursor:pointer;border:0}
.btn-gold{background:var(--accent);color:#20160a}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-gold:hover{filter:brightness(1.06)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* Section scaffolding */
section{padding:72px 0}
.section-head{max-width:680px;margin:0 auto 46px;text-align:center}
.section-head .eyebrow{color:var(--accent)}
.section-head h2{font-size:clamp(26px,3.4vw,38px);margin:0 0 12px;color:var(--primary)}
.section-head p{color:var(--muted);margin:0;font-size:17px}

/* Course grid */
.courses{background:#fff}
.grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.course-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--card);
  transition:transform .18s ease, box-shadow .18s ease;display:flex;flex-direction:column}
.course-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(18,40,75,.12)}
.cc-top{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;padding:22px 20px;position:relative}
.cc-top .age{position:absolute;top:16px;right:16px;background:var(--accent);color:#20160a;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}
.cc-code{font-size:12px;letter-spacing:2px;color:var(--accent);font-weight:700;text-transform:uppercase}
.cc-top h3{margin:6px 0 0;font-size:22px;color:#fff}
.cc-body{padding:18px 20px;flex:1;display:flex;flex-direction:column}
.cc-body p{color:var(--muted);font-size:14.5px;margin:0 0 16px;flex:1}
.cc-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px}
.cc-fee{font-weight:700;color:var(--primary)}
.cc-more{color:var(--accent);font-weight:600;font-size:14px}

/* About */
.about{background:var(--paper)}
.about-wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.about-wrap h2{color:var(--primary);font-size:32px;margin-top:0}
.about-wrap p{color:var(--muted);font-size:17px}
.stat-row{display:flex;gap:28px;margin-top:26px;flex-wrap:wrap}
.stat b{font-family:"Fraunces",Georgia,serif;font-size:34px;color:var(--accent);display:block;line-height:1}
.stat span{color:var(--muted);font-size:14px}

/* Notices */
.notices{background:#fff}
.notice{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.notice:last-child{border-bottom:0}
.notice .date{min-width:96px;color:var(--accent);font-weight:700;font-size:13px}
.notice h4{margin:0 0 4px;color:var(--primary);font-size:17px}
.notice p{margin:0;color:var(--muted);font-size:15px}

/* Branches */
.branches{background:var(--primary);color:#fff}
.branches .section-head h2{color:#fff}
.branches .section-head p{color:#c9d4e6}
.branch-grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.branch{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:22px}
.branch h4{margin:0 0 10px;font-size:19px;color:#fff}
.branch .row{display:flex;gap:10px;color:#cdd8ea;font-size:14.5px;margin:6px 0}
.branch .row b{color:var(--accent);min-width:64px;font-weight:600}

/* Footer */
.site-foot{background:#0c1c36;color:#9fb0cb;padding:40px 0}
.site-foot .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.site-foot a{color:#cdd8ea}

/* Simple page (single course) */
.page{background:#fff;padding:60px 0}
.page h1{color:var(--primary);font-size:clamp(28px,4vw,42px);margin:0 0 8px}
.crumb{color:var(--muted);font-size:14px;margin-bottom:26px}
.lead{font-size:18px;color:var(--muted);max-width:720px}

@media(max-width:820px){
  .nav{display:none}
  .nav-toggle{display:block}
  .nav.open{display:flex;flex-direction:column;position:absolute;top:80px;left:0;right:0;background:#fff;
    padding:16px 22px;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(0,0,0,.08)}
  .nav.open a{margin:8px 0}
  .about-wrap{grid-template-columns:1fr}
}