:root{
  --bg:#070b14; --ink:#e8eef8; --muted:#90a0b8; --panel:rgba(255,255,255,.04);
  --accent:#3de0c5; --glow:#6d7cff; --line:rgba(232,238,248,.1);
  --font-display:"Space Grotesk",system-ui,sans-serif; --font-mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font-display);background:
  radial-gradient(ellipse at 20% 0%,rgba(109,124,255,.22),transparent 45%),
  radial-gradient(ellipse at 80% 10%,rgba(61,224,197,.12),transparent 40%),
  var(--bg);color:var(--ink);line-height:1.6;min-height:100vh}
a{color:var(--accent)}
.site-header{position:sticky;top:0;z-index:40;background:rgba(7,11,20,.75);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-inner{max-width:1160px;margin:0 auto;padding:1rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;gap:.75rem;align-items:center;text-decoration:none;color:inherit}
.brand-mark{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--glow));color:#041018;display:grid;place-items:center;font-weight:700;font-family:var(--font-mono);font-size:.8rem}
.brand strong{font-size:1.05rem}.brand small{display:block;color:var(--muted);font-size:.72rem;font-family:var(--font-mono)}
.nav-toggle{display:none;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:10px;padding:.45rem .7rem}
.nav{display:flex;flex-wrap:wrap;gap:.25rem;justify-content:flex-end;max-width:72%}
.nav-link{text-decoration:none;color:var(--muted);font-size:.75rem;font-family:var(--font-mono);padding:.35rem .5rem;border-radius:8px}
.nav-link.is-active,.nav-link:hover{color:var(--ink);background:rgba(61,224,197,.12);box-shadow:inset 0 0 0 1px rgba(61,224,197,.35)}
.hero{min-height:84vh;display:grid;align-items:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-80px;top:10%;background:radial-gradient(circle,rgba(61,224,197,.25),transparent 65%);filter:blur(10px);animation:pulse 6s ease-in-out infinite}
@keyframes pulse{50%{transform:scale(1.08);opacity:.75}}
.hero-inner{position:relative;max-width:1160px;margin:0 auto;padding:4rem 1.25rem;width:100%}
.hero .kicker{font-family:var(--font-mono);color:var(--accent);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase}
.hero h1{font-size:clamp(2.8rem,7vw,5rem);line-height:1;margin:.6rem 0 1rem;max-width:13ch;letter-spacing:-.03em}
.hero p{max-width:40ch;color:var(--muted);margin:0 0 1.6rem}
.btn{display:inline-flex;align-items:center;background:var(--accent);color:#041018;padding:.85rem 1.2rem;border-radius:12px;font-weight:700;text-decoration:none;box-shadow:0 0 30px rgba(61,224,197,.25)}
.btn:hover{filter:brightness(1.08)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);margin-left:.5rem;box-shadow:none}
.wrap{max-width:1160px;margin:0 auto;padding:2rem 1.25rem 4rem}
.page-hero{padding:1.5rem 0;margin-bottom:1.5rem;border-bottom:1px solid var(--line)}
.page-hero h1{margin:0 0 .4rem;font-size:clamp(2rem,4vw,3rem)}
.page-hero p{margin:0;color:var(--muted);font-family:var(--font-mono);font-size:.9rem}
.mvp{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.25rem}
.mvp article{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:1.3rem;backdrop-filter:blur(8px)}
.mvp h3{margin:0 0 .5rem;color:var(--accent)}
.course-grid,.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}
.course,.person,.notice{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:1.15rem}
.course h3,.person h3,.notice h3{margin:0 0 .45rem}
.data-table{width:100%;border-collapse:collapse;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.data-table th,.data-table td{padding:.85rem 1rem;border-bottom:1px solid var(--line);text-align:left}
.data-table th{background:rgba(61,224,197,.08);font-family:var(--font-mono);font-size:.75rem;color:var(--accent);text-transform:uppercase;letter-spacing:.06em}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem;margin:1.5rem 0}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:1.1rem;text-align:center}
.stat strong{display:block;font-size:2rem;color:var(--accent)}
.stat span{color:var(--muted);font-size:.82rem;font-family:var(--font-mono)}
.feature-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:.8rem}
.feature-list li{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:1rem}
.feature-list strong{display:block;margin-bottom:.25rem}
.chip{display:inline-block;background:rgba(109,124,255,.15);border:1px solid rgba(109,124,255,.35);color:#cfd5ff;padding:.3rem .6rem;border-radius:999px;margin:.2rem;font-size:.78rem;font-family:var(--font-mono)}
.syllabus-block{margin:1.5rem 0;padding:1.3rem;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.notice time{font-family:var(--font-mono);color:var(--accent);font-size:.8rem}
.status{font-family:var(--font-mono);font-size:.72rem;padding:.2rem .5rem;border-radius:999px;background:rgba(61,224,197,.12);color:var(--accent)}
.status-almost-full{background:rgba(255,140,90,.15);color:#ffb089}
.status-filling-fast{background:rgba(255,210,90,.12);color:#ffd85c}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.contact-cta{background:linear-gradient(145deg,rgba(61,224,197,.18),rgba(109,124,255,.18));border:1px solid var(--line);border-radius:18px;padding:1.4rem}
.site-footer{border-top:1px solid var(--line);padding:2rem 1.25rem;margin-top:2rem;color:var(--muted)}
.footer-inner{max-width:1160px;margin:0 auto;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-family:var(--font-mono);font-size:.82rem}
.home-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2rem}
.home-strip a{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:1.1rem;text-decoration:none;color:inherit;transition:border-color .2s,transform .2s}
.home-strip a:hover{border-color:rgba(61,224,197,.5);transform:translateY(-3px)}
.home-strip strong{display:block;margin-bottom:.25rem}
.meta,.fineprint,.note{color:var(--muted)}
@media (max-width:900px){
  .nav{display:none}.nav.open{display:flex;flex-direction:column;position:absolute;right:1rem;top:68px;background:#0d1424;border:1px solid var(--line);border-radius:14px;padding:.8rem;width:min(300px,90vw);max-height:70vh;overflow:auto}
  .nav-toggle{display:inline-flex}
  .mvp,.two-col,.contact-grid,.home-strip{grid-template-columns:1fr}
}

.nav-more{position:relative}
.nav-dropdown{display:none;position:absolute;right:0;top:calc(100% + .45rem);min-width:230px;max-height:70vh;overflow:auto;z-index:70;padding:.45rem}
.nav-more.open .nav-dropdown{display:flex;flex-direction:column;gap:.1rem}
.nav-more-btn{cursor:pointer}

.nav-more-btn{font-size:.75rem;font-family:var(--font-mono);color:var(--muted);padding:.35rem .5rem;border-radius:8px}
.nav-more.is-active .nav-more-btn,.nav-more-btn:hover{color:var(--ink);background:rgba(61,224,197,.12);box-shadow:inset 0 0 0 1px rgba(61,224,197,.35)}
.nav-dropdown{background:#0d1424;border:1px solid var(--line);border-radius:14px}
.nav-dropdown .nav-link{display:block}