:root{
  --bg:#f6f8ff;
  --card:#ffffff;
  --text:#111827;
  --muted:#64748b;
  --primary:#1d4ed8;
  --primary-2:#7c3aed;
  --accent:#0f766e;
  --line:#e2e8f0;
  --shadow:0 24px 80px rgba(15,23,42,.12);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  overflow-x:hidden;
}
.page-bg{
  position:fixed; inset:0; z-index:-2;
  background:
    radial-gradient(circle at 10% 10%, rgba(29,78,216,.18), transparent 30%),
    radial-gradient(circle at 90% 15%, rgba(124,58,237,.16), transparent 28%),
    linear-gradient(135deg,#f8fafc,#eef2ff 45%,#f0fdfa);
}
.page-bg::after{
  content:""; position:absolute; inset:0;
  background-image:linear-gradient(rgba(30,41,59,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(30,41,59,.04) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.2));
}
a{color:inherit;text-decoration:none}
.container{width:min(1140px,92%); margin-inline:auto}
.site-header{
  position:sticky; top:0; z-index:20;
  backdrop-filter:blur(18px);
  background:rgba(255,255,255,.74);
  border-bottom:1px solid rgba(226,232,240,.8);
}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800}
.brand-mark{
  width:46px;height:46px;border-radius:16px;
  display:grid;place-items:center;
  color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 14px 30px rgba(29,78,216,.24);
}
.brand small{display:block;color:var(--muted);font-size:12px;font-weight:600;margin-top:-2px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:10px 14px;border-radius:999px;color:#334155;font-weight:700;font-size:14px}
.nav-links a:hover{background:#eef2ff;color:var(--primary)}
.menu-btn{display:none;border:0;background:#fff;border-radius:12px;padding:9px 12px;font-size:22px;box-shadow:0 8px 24px rgba(15,23,42,.08)}
.hero{display:grid;grid-template-columns:1.07fr .93fr;gap:44px;align-items:center;padding:76px 0 42px}
.eyebrow{
  margin:0 0 10px;color:var(--primary);font-size:13px;font-weight:900;letter-spacing:.12em;text-transform:uppercase
}
h1,h2,h3,p{margin-top:0}
h1{
  font-family:"Playfair Display",serif;
  font-size:clamp(44px,6vw,78px);
  line-height:.95;letter-spacing:-.04em;margin-bottom:24px;
}
.hero-text{font-size:18px;color:#475569;max-width:660px;margin-bottom:30px}
.hero-actions,.contact-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:48px;
  border-radius:999px;padding:0 22px;font-weight:900;border:1px solid transparent;transition:.25s ease;
}
.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 16px 34px rgba(29,78,216,.28)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(29,78,216,.34)}
.btn.secondary{background:rgba(255,255,255,.86);border-color:var(--line);color:#1e293b}
.btn.secondary:hover{border-color:#bfdbfe;background:#fff;transform:translateY(-2px)}
.faculty-card{
  background:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.8);border-radius:36px;
  padding:22px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.faculty-card::before{
  content:"";position:absolute;inset:-70px -70px auto auto;width:220px;height:220px;border-radius:50%;background:rgba(29,78,216,.12)
}
.photo-shell{
  position:relative;border-radius:28px;overflow:hidden;background:#dbeafe;box-shadow:inset 0 0 0 1px rgba(255,255,255,.6);
  aspect-ratio:4/4.7;
}
.photo-shell img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(1.03) contrast(1.02)}
.faculty-info{position:relative;padding:22px 4px 4px}
.faculty-info h2{font-size:27px;line-height:1.15;margin-bottom:4px}
.faculty-info>p{color:var(--muted);font-weight:800;margin-bottom:18px}
.info-grid{display:grid;grid-template-columns:110px 1fr;gap:12px 18px;font-size:14px;align-items:start}
.info-grid span{color:var(--muted);font-weight:800}
.info-grid strong,.info-grid a{font-weight:900;color:#0f172a;word-break:break-word}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:20px 0 64px}
.stats article{background:rgba(255,255,255,.8);border:1px solid rgba(226,232,240,.9);border-radius:24px;padding:22px;box-shadow:0 18px 54px rgba(15,23,42,.07)}
.stats strong{display:block;font-size:27px;line-height:1;color:#0f172a;margin-bottom:8px}
.stats span{color:var(--muted);font-weight:800;font-size:13px}
.section-head{text-align:center;max-width:760px;margin:0 auto 28px}
.section-head h2,.materials-top h2,.setup h2,.contact h2{font-size:clamp(30px,4vw,46px);line-height:1.05;letter-spacing:-.03em;margin-bottom:12px}
.section-head p,.setup p,.contact p{color:var(--muted)}
.subjects{padding:12px 0 68px}
.subject-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.subject-card{
  cursor:pointer;text-align:left;border:1px solid var(--line);border-radius:28px;background:rgba(255,255,255,.86);padding:28px;box-shadow:0 16px 50px rgba(15,23,42,.08);transition:.25s ease;color:var(--text)
}
.subject-card:hover,.subject-card.active{transform:translateY(-4px);border-color:#93c5fd;box-shadow:0 24px 64px rgba(29,78,216,.14)}
.subject-card.active{background:linear-gradient(135deg,#fff,#eef2ff)}
.subject-icon{width:54px;height:54px;display:grid;place-items:center;border-radius:18px;background:#eff6ff;font-size:28px;margin-bottom:18px}
.subject-card strong{display:block;font-size:25px;margin-bottom:5px}
.subject-card small{font-size:15px;color:var(--muted);font-weight:700}
.materials-section{padding:76px 0;background:linear-gradient(180deg,rgba(255,255,255,.2),rgba(255,255,255,.72));border-top:1px solid rgba(226,232,240,.7);border-bottom:1px solid rgba(226,232,240,.7)}
.materials-panel{background:rgba(255,255,255,.9);border:1px solid rgba(226,232,240,.92);border-radius:36px;box-shadow:var(--shadow);padding:28px}
.materials-top{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;margin-bottom:24px}
.materials-top p{color:var(--muted);margin-bottom:0}
.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.search-box{display:flex;align-items:center;gap:8px;background:#f8fafc;border:1px solid var(--line);border-radius:999px;padding:0 14px;height:48px;min-width:250px}
.search-box input{border:0;outline:0;background:transparent;width:100%;font:inherit;font-weight:700;color:var(--text)}
select{height:48px;border:1px solid var(--line);border-radius:999px;background:#f8fafc;padding:0 16px;font:inherit;font-weight:800;color:#334155;outline:0}
.notice{padding:14px 16px;background:#fff7ed;color:#9a3412;border:1px solid #fed7aa;border-radius:18px;margin-bottom:18px;font-weight:700}
.loader{display:flex;justify-content:center;gap:7px;padding:42px}
.loader span{width:10px;height:10px;border-radius:50%;background:var(--primary);animation:bounce .8s infinite alternate}
.loader span:nth-child(2){animation-delay:.15s}.loader span:nth-child(3){animation-delay:.3s}
@keyframes bounce{to{transform:translateY(-10px);opacity:.45}}
.materials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.file-card{border:1px solid var(--line);border-radius:24px;padding:20px;background:#fff;transition:.22s ease;display:flex;flex-direction:column;min-height:230px}
.file-card:hover{transform:translateY(-3px);box-shadow:0 18px 46px rgba(15,23,42,.10);border-color:#bfdbfe}
.file-top{display:flex;justify-content:space-between;gap:12px;margin-bottom:18px}
.file-icon{width:52px;height:52px;border-radius:18px;background:#eff6ff;display:grid;place-items:center;font-size:25px}
.file-type{font-weight:900;font-size:12px;border-radius:999px;padding:6px 10px;background:#f1f5f9;color:#334155;height:max-content}
.file-card h3{font-size:18px;line-height:1.3;margin-bottom:10px;word-break:break-word}
.file-meta{color:var(--muted);font-size:13px;font-weight:700;margin-bottom:20px}
.file-actions{display:flex;gap:10px;margin-top:auto;flex-wrap:wrap}
.file-actions a{font-size:13px;font-weight:900;border-radius:999px;padding:9px 12px;background:#f8fafc;border:1px solid var(--line)}
.file-actions a:hover{background:#eef2ff;border-color:#bfdbfe;color:var(--primary)}
.empty{text-align:center;padding:44px;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:24px;color:var(--muted)}
.empty h3{color:#0f172a;margin-bottom:6px}.empty code{font-weight:900;color:var(--primary)}
.setup{padding:72px 0;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.setup ol{margin:0;padding:24px 24px 24px 44px;background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:28px;box-shadow:0 16px 50px rgba(15,23,42,.07)}
.setup li{margin:10px 0;font-weight:700;color:#334155}.setup code{font-weight:900;color:var(--primary)}
.contact{padding:0 0 72px}
.contact-card{display:flex;align-items:center;justify-content:space-between;gap:22px;background:linear-gradient(135deg,#0f172a,#1e1b4b);color:#fff;border-radius:34px;padding:34px;box-shadow:var(--shadow);overflow:hidden;position:relative}
.contact-card::after{content:"";position:absolute;right:-80px;bottom:-80px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.08)}
.contact-card p{color:#cbd5e1;max-width:650px}.contact-card .eyebrow{color:#93c5fd}.contact-card .btn.secondary{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);color:#fff}
.footer{border-top:1px solid var(--line);background:rgba(255,255,255,.75)}
.footer-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:14px;color:#475569;font-weight:800;font-size:14px}.footer a{color:var(--primary)}
.reveal{opacity:0;transform:translateY(16px);transition:.65s ease}.reveal.visible{opacity:1;transform:translateY(0)}
@media(max-width:900px){
  .hero,.setup{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.materials-grid{grid-template-columns:repeat(2,1fr)}.materials-top{align-items:flex-start;flex-direction:column}.contact-card{align-items:flex-start;flex-direction:column}
}
@media(max-width:680px){
  .menu-btn{display:block}.nav-links{display:none;position:absolute;right:4%;left:4%;top:82px;flex-direction:column;align-items:stretch;background:#fff;padding:14px;border-radius:22px;box-shadow:var(--shadow);border:1px solid var(--line)}.nav-links.show{display:flex}.nav-links a{padding:13px 16px}.hero{padding-top:46px}.subject-grid,.materials-grid,.stats{grid-template-columns:1fr}.materials-panel{padding:20px;border-radius:26px}.search-box{min-width:100%;width:100%}.toolbar{width:100%}select{width:100%}.info-grid{grid-template-columns:1fr}.footer-inner{height:auto;padding:22px 0;flex-direction:column;text-align:center}
}

/* ===== Compact hero alignment fix =====
   Removes large blank space and keeps faculty details visible first.
*/
.nav{height:68px}
.hero{
  grid-template-columns:minmax(0,0.95fr) minmax(420px,1.05fr);
  gap:30px;
  align-items:start;
  padding:38px 0 26px;
}
.hero-copy{
  padding-top:24px;
  max-width:620px;
}
h1{
  font-size:clamp(34px,4.4vw,56px);
  line-height:1.04;
  margin-bottom:16px;
}
.hero-text{
  font-size:16px;
  line-height:1.7;
  margin-bottom:22px;
  max-width:590px;
}
.faculty-card{
  display:grid;
  grid-template-columns:190px minmax(0,1fr);
  gap:22px;
  align-items:center;
  justify-self:end;
  width:100%;
  max-width:650px;
  padding:20px;
  border-radius:28px;
}
.faculty-card::before{
  width:160px;
  height:160px;
  inset:-50px -50px auto auto;
}
.photo-shell{
  height:250px;
  aspect-ratio:auto;
  border-radius:22px;
}
.photo-shell img{
  object-position:center 18%;
}
.faculty-info{
  padding:0;
}
.faculty-info h2{
  font-size:24px;
  line-height:1.18;
}
.faculty-info>p{
  margin-bottom:14px;
}
.info-grid{
  grid-template-columns:92px minmax(0,1fr);
  gap:9px 14px;
  font-size:14px;
}
.stats{
  padding:8px 0 46px;
}
.subjects{
  padding:6px 0 54px;
}
.materials-section{
  padding:56px 0;
}
.setup{
  padding:54px 0;
}
.contact{
  padding:0 0 56px;
}

@media(max-width:980px){
  .hero{
    grid-template-columns:1fr;
    padding:30px 0 22px;
  }
  .hero-copy{
    padding-top:0;
  }
  .faculty-card{
    justify-self:stretch;
    max-width:none;
  }
}

@media(max-width:680px){
  .nav{height:64px}
  .hero{padding-top:26px}
  .faculty-card{
    grid-template-columns:1fr;
    padding:18px;
  }
  .photo-shell{
    width:100%;
    height:320px;
  }
  .info-grid{
    grid-template-columns:1fr;
  }
}