/* ===== Design tokens ===== */
:root{
  --maroon:#7a1f1f;
  --maroon-dark:#5c1414;
  --gold:#c79a3a;
  --gold-soft:#e9d8a6;
  --cream:#faf6ef;
  --cream-2:#f3ecdf;
  --ink:#2b2320;
  --muted:#6f655c;
  --line:#e6ddcd;
  --white:#fff;
  --radius:14px;
  --shadow:0 10px 30px rgba(70,40,20,.08);
  --shadow-lg:0 18px 50px rgba(70,40,20,.14);
  --maxw:1140px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Be Vietnam Pro",system-ui,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--cream);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;cursor:pointer;border:1px solid transparent;
  border-radius:999px;padding:12px 22px;transition:.2s ease;white-space:nowrap;
}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%}
.btn-primary{background:var(--maroon);color:var(--white);box-shadow:0 8px 20px rgba(122,31,31,.25)}
.btn-primary:hover{background:var(--maroon-dark);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(250,246,239,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:46px;height:46px;object-fit:contain;flex:none;display:block;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;letter-spacing:.5px;color:var(--maroon)}
.brand-text small{font-size:11px;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:26px}
.main-nav a{font-weight:500;font-size:15px;color:var(--ink);transition:.2s}
.main-nav a:hover{color:var(--maroon)}
.main-nav a.btn-primary{color:#fff}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--maroon);cursor:pointer}

/* ===== Hero ===== */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:
    linear-gradient(135deg,rgba(122,31,31,.92) 0%,rgba(92,20,20,.88) 55%,rgba(63,14,14,.92) 100%),
    url("../images/hero.jpg") center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 120% at 80% 0%,rgba(199,154,58,.28),transparent 55%);
  pointer-events:none;
}
.hero::after{
  content:"☸";position:absolute;right:-40px;bottom:-60px;font-size:340px;
  color:rgba(255,255,255,.07);line-height:1;pointer-events:none;
}
.hero-inner{padding:84px 22px 90px;position:relative;z-index:1;max-width:var(--maxw)}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--gold-soft);
  border:1px solid rgba(233,216,166,.4);padding:6px 14px;border-radius:999px;margin-bottom:22px;
}
.hero h1{font-size:clamp(32px,5vw,54px);font-weight:800;line-height:1.12;letter-spacing:-.5px}
.hero h1 span{color:var(--gold-soft)}
.hero-sub{max-width:620px;margin:20px 0 30px;font-size:18px;color:rgba(255,255,255,.85)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{
  list-style:none;display:flex;gap:38px;flex-wrap:wrap;margin-top:54px;
  padding-top:30px;border-top:1px solid rgba(255,255,255,.15);
}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{font-size:30px;font-weight:800;color:var(--gold-soft)}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.75)}

/* ===== Sections ===== */
.section{padding:78px 0}
.section-alt{background:var(--cream-2)}
.section-head{max-width:720px;margin:0 auto 46px;text-align:center}
.kicker{
  font-size:13px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--gold);
}
.section-head h2{font-size:clamp(26px,3.5vw,38px);font-weight:800;margin:10px 0 12px;color:var(--maroon)}
.section-head p{color:var(--muted);font-size:17px}

/* ===== Feature grid ===== */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow);transition:.25s;
}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.feature-icon{font-size:30px;margin-bottom:12px}
.feature-card h3{font-size:18px;color:var(--maroon);margin-bottom:8px}
.feature-card p{font-size:15px;color:var(--muted)}

/* ===== Program ===== */
.program-head{text-align:center;max-width:720px;margin:0 auto 40px}
.badge{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.5px;
  padding:6px 16px;border-radius:999px;margin-bottom:14px;
}
.badge-master{background:var(--gold-soft);color:var(--maroon-dark)}
.badge-phd{background:var(--maroon);color:var(--gold-soft)}
.program-head h2{font-size:clamp(26px,3.5vw,38px);font-weight:800;color:var(--maroon)}
.program-lead{color:var(--muted);font-size:17px;margin-top:8px}
.program-media{
  margin:0 auto 30px;max-width:920px;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);
}
.program-media img{display:block;width:100%;height:340px;object-fit:cover}
.program-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:8px}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.card h3{font-size:18px;color:var(--maroon);margin-bottom:14px}
.card p{color:var(--muted);font-size:15px}
.tick{list-style:none;display:flex;flex-direction:column;gap:9px}
.tick li{position:relative;padding-left:26px;font-size:15px}
.tick li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--gold);font-weight:800;
}
.bar-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.bar-list li{
  display:flex;justify-content:space-between;align-items:center;
  padding:10px 14px;background:var(--cream);border-radius:10px;font-size:15px;
}
.bar-list b{color:var(--maroon);font-size:16px}
.note{margin-top:12px;font-size:13px;color:var(--muted);font-style:italic}
.program-cta{text-align:center;margin-top:34px}

/* ===== Gallery ===== */
.gallery{
  display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:200px;gap:18px;
}
.gallery-item{
  position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  border:1px solid var(--line);margin:0;
}
.gallery-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.gallery-item:hover img{transform:scale(1.06)}
.gallery-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:22px 16px 12px;font-size:14px;font-weight:500;color:#fff;
  background:linear-gradient(to top,rgba(43,20,20,.9),transparent);
}
.gallery-lg{grid-column:span 2;grid-row:span 2}

/* ===== Compare table ===== */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow)}
.compare{width:100%;border-collapse:collapse;background:var(--white);min-width:560px}
.compare th,.compare td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line)}
.compare thead th{background:var(--maroon);color:#fff;font-weight:600}
.compare thead th:first-child{border-top-left-radius:var(--radius)}
.compare thead th:last-child{border-top-right-radius:var(--radius)}
.compare td:first-child{font-weight:600;color:var(--ink)}
.compare tbody tr:hover{background:var(--cream)}

/* ===== Form ===== */
.form-layout{display:grid;grid-template-columns:1.7fr 1fr;gap:28px;align-items:start}
.reg-form{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow);
}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px;display:flex;flex-direction:column}
.field label{font-size:14px;font-weight:600;margin-bottom:7px}
.field label span{color:var(--maroon)}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:15px;padding:12px 14px;border:1px solid var(--line);
  border-radius:10px;background:var(--cream);color:var(--ink);transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);background:#fff;box-shadow:0 0 0 3px rgba(199,154,58,.15);
}
.field textarea{resize:vertical}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin-bottom:20px;cursor:pointer}
.checkbox input{margin-top:4px}
.form-msg{margin-top:14px;font-size:15px;font-weight:600;min-height:22px}
.form-msg.ok{color:#1b7a3d}
.form-msg.err{color:var(--maroon)}

.form-aside{
  background:linear-gradient(160deg,var(--maroon),var(--maroon-dark));
  color:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-lg);
}
.form-aside h3{font-size:20px;margin-bottom:10px;color:var(--gold-soft)}
.form-aside p{color:rgba(255,255,255,.85);font-size:15px}
.contact-list{list-style:none;margin:20px 0;display:flex;flex-direction:column;gap:12px}
.contact-list li{display:flex;gap:12px;align-items:center;font-size:15px}
.aside-note{
  margin-top:8px;font-size:13px;line-height:1.6;color:rgba(255,255,255,.85);
  background:rgba(255,255,255,.1);padding:14px;border-radius:10px;
}

/* ===== Footer ===== */
.site-footer{background:#2b1414;color:rgba(255,255,255,.8);padding:54px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.4fr;gap:34px}
.brand-footer .brand-text strong{color:#fff}
.brand-footer .brand-text small{color:rgba(255,255,255,.6)}
.footer-desc{margin-top:16px;font-size:14px;max-width:300px}
.site-footer h4{color:var(--gold-soft);font-size:15px;margin-bottom:14px}
.site-footer a{display:block;font-size:14px;padding:4px 0;color:rgba(255,255,255,.75)}
.site-footer a:hover{color:#fff}
.site-footer p{font-size:14px;padding:3px 0}
.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55)}

/* ===== Responsive ===== */
@media(max-width:960px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .form-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  .main-nav{
    position:absolute;top:70px;left:0;right:0;background:var(--cream);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 22px 18px;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 4px;border-bottom:1px solid var(--line)}
  .main-nav a.btn-primary{margin-top:10px;text-align:center}
  .nav-toggle{display:block}
  .program-grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .program-media img{height:240px}
  .gallery{grid-template-columns:1fr;grid-auto-rows:220px}
  .gallery-lg{grid-column:span 1;grid-row:span 1}
}
@media(max-width:520px){
  .feature-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:24px}
}