:root{
  --brand: #0b6fb7;      
  --brand-dark: #055a8d;
  --muted: #6b7280;
  --bg: #f6f9fb;
  --card-bg: #ffffff;
  --radius: 14px;
  --max-width: 1100px;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:#0f172a;line-height:1.45}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:linear-gradient(0deg, rgba(255,255,255,0.9), rgba(255,255,255,0.9));backdrop-filter:saturate(120%) blur(2px);border-bottom:1px solid #e6eef8}
.header-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--brand-dark)}
.brand-logo{height:46px;width:auto;border-radius:8px;object-fit:contain}
.brand-name{font-weight:600;color:var(--brand-dark);font-size:1rem}

/* Nav */
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:18px}
.main-nav a{text-decoration:none;color:var(--muted);font-weight:600;padding:8px 6px;border-radius:8px}
.main-nav a:hover{color:var(--brand);background:rgba(11,111,183,0.06)}
.nav-toggle{display:none;background:none;border:0;padding:8px;border-radius:8px;font-size:18px;color:var(--brand-dark)}

/* Academics section */
.academics-section{padding:40px 0}
.section-head{text-align:center;margin-bottom:28px}
.section-head h2{font-size:28px;color:var(--brand);margin:0}
.section-head .lead{color:var(--muted);max-width:760px;margin:10px auto 0}

/* Grid */
.academics-grid{display:grid;grid-template-columns:1fr;gap:22px}

/* card */
.academic-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:0 6px 20px rgba(12,57,88,0.06);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease}
.academic-card:hover{transform:translateY(-6px);box-shadow:0 14px 34px rgba(12,57,88,0.10)}
.academic-img{width:100%;height:220px;object-fit:cover;display:block}
.card-body{padding:18px}
.academic-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.academic-icon{display:inline-flex;align-items:center;justify-content:center;background:rgba(11,111,183,0.08);color:var(--brand);width:44px;height:44px;border-radius:50%;font-size:18px}
.academic-header h3{margin:0;font-size:18px;color:var(--brand-dark)}
.academic-text{margin:8px 0;color:var(--muted)}
.academic-subtitle{margin:8px 0 4px;font-weight:600;color:var(--brand-dark)}
.academic-list{margin:10px 0 0 18px;padding:0;color:#334155}
.academic-list.small{margin:8px 0 0 16px;font-size:0.92rem}

/* special elements */
.academic-focus{margin-top:12px;color:var(--muted);font-weight:600}
.general-subjects{background:rgba(11,111,183,0.06);padding:12px;border-radius:10px;margin-top:12px}
.general-subjects h4{margin:0 0 8px;color:var(--brand-dark)}
.dept-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:12px}
.sub-card{background:linear-gradient(180deg, #ffffff, #fbfdff);padding:12px;border-radius:12px;border:1px solid rgba(11,111,183,0.06);text-align:left;box-shadow:0 6px 18px rgba(9,30,63,0.03)}
.sub-head{display:flex;align-items:center;gap:10px}
.sub-head i{font-size:18px;color:var(--brand-dark)}
.sub-card h5{margin:0;font-size:15px;color:var(--brand);font-weight:700}

/* Senior card spans full width on larger screens */
.senior-card{}

/* Footer */
.site-footer{padding:18px 0;border-top:1px solid #e6eef8;background:#fff;margin-top:24px}
.site-footer p{margin:0;color:var(--muted);text-align:center}

/* Responsive */
@media (min-width: 700px) {
  .academics-grid{grid-template-columns:repeat(2,1fr)}
  .dept-grid{grid-template-columns:repeat(2,1fr)}
}

@media (min-width: 1024px) {
  .academics-grid{grid-template-columns:repeat(3,1fr)}
  /* make senior-card span full width across all columns */
  .senior-card{grid-column:1 / -1}
  .dept-grid{grid-template-columns:repeat(3,1fr)}
  .nav-toggle{display:none}
  .main-nav{display:block}
}

/* Mobile nav */
@media (max-width: 1023px) {
  .nav-toggle{display:inline-block}
  .main-nav{position:absolute;right:18px;top:64px;background:#fff;border-radius:12px;box-shadow:0 10px 30px rgba(12,57,88,0.08);padding:10px;display:none}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:10px}
  .main-nav a{display:block}
}