:root{--bg:#08101d;--panel:#111c2e;--panel2:#16243a;--line:#2a3a55;--text:#edf3fb;--muted:#9fb0c8;--accent:#5cc8ff;--gold:#f7c75d;--green:#74d3a4}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at top left,#11233d 0,#08101d 44%,#050a12 100%);color:var(--text);min-height:100vh}.portal{max-width:1180px;margin:auto;padding:44px 28px}.hero{display:flex;justify-content:space-between;gap:30px;align-items:flex-start;padding:24px 0 30px}.eyebrow,.case-no{letter-spacing:.12em;font-size:.76rem;font-weight:850;color:var(--accent)}h1{font-size:clamp(2.35rem,5vw,4.35rem);line-height:1;margin:12px 0 18px;max-width:800px}h2{font-size:1.62rem;line-height:1.2;margin:12px 0 14px}.hero p{max-width:780px;font-size:1.06rem;line-height:1.7;color:var(--muted)}.badge{border:1px solid var(--line);border-radius:999px;padding:10px 16px;color:var(--gold);white-space:nowrap;background:#0d1726;font-weight:800;font-size:.82rem}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:16px 0 28px}.principles div{background:rgba(17,28,46,.84);border:1px solid var(--line);border-radius:18px;padding:18px}.principles b{display:block;margin-bottom:7px}.principles span{display:block;color:var(--muted);line-height:1.55}.cases{display:grid;grid-template-columns:1fr 1fr;gap:22px}.case-card{display:flex;flex-direction:column;text-decoration:none;color:inherit;background:linear-gradient(145deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:24px;padding:26px;min-height:430px;transition:.2s ease;box-shadow:0 18px 60px rgba(0,0,0,.2)}.case-card:hover{transform:translateY(-4px);border-color:#4c6b95;box-shadow:0 24px 70px rgba(0,0,0,.28)}.case-card:focus-visible,.access-card:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.case-card.active{box-shadow:inset 0 3px 0 var(--accent),0 18px 60px rgba(0,0,0,.24)}.card-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.status-chip{font-size:.66rem;letter-spacing:.06em;font-weight:850;color:#bde9ff;border:1px solid #31526f;background:#0e2538;padding:6px 9px;border-radius:999px}.case-card p,.case-card li{color:var(--muted);line-height:1.55}.case-card p{min-height:76px}.case-card ul{padding-left:20px;margin:18px 0 26px}.case-card li+li{margin-top:5px}.cta{display:inline-block;font-weight:850;color:var(--accent);margin-top:auto;padding-top:8px}.access-section{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.access-section>h2{margin-bottom:6px}.access-section>p{color:var(--muted);margin-top:0}.access-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.access-card{display:block;text-decoration:none;color:inherit;border:1px solid var(--line);border-radius:18px;background:#0e1929;padding:19px;transition:.18s ease}.access-card:hover{border-color:#4c6b95;transform:translateY(-2px)}.access-card b{display:block;font-size:1.05rem;margin-bottom:6px}.access-card span{display:block;color:var(--muted);line-height:1.5}.access-card.teacher{box-shadow:inset 0 3px 0 var(--gold)}.access-card.student{box-shadow:inset 0 3px 0 var(--green)}footer{margin:32px 0 8px;color:#71849f;font-size:.88rem;text-align:center}@media(max-width:900px){.hero{display:block}.badge{display:inline-block;margin-top:10px}.principles,.cases,.access-grid{grid-template-columns:1fr}.case-card{min-height:0}.case-card p{min-height:0}}@media(max-width:520px){.portal{padding:24px 16px}.principles div,.case-card{padding:18px}.card-top{align-items:flex-start;flex-direction:column}.hero{padding-top:12px}}