:root{--card:rgba(30,32,48,.88);--line:rgba(255,187,102,.28);--text:#fff7ed;--muted:#d8c6b0;--accent:#f59e0b;--accent2:#fb7185;--blue:#38bdf8}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.72;background:radial-gradient(circle at 12% 8%,rgba(245,158,11,.20),transparent 30%),radial-gradient(circle at 88% 16%,rgba(251,113,133,.17),transparent 34%),radial-gradient(circle at 50% 92%,rgba(56,189,248,.10),transparent 34%),linear-gradient(135deg,#120b08 0%,#1b1630 52%,#07111f 100%)}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,187,102,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,187,102,.045) 1px,transparent 1px);background-size:42px 42px}.site-shell{max-width:1220px;margin:0 auto;padding:30px 18px 56px}.hero{border:1px solid var(--line);border-radius:28px;padding:34px;background:linear-gradient(135deg,rgba(35,24,36,.92),rgba(7,17,31,.78));box-shadow:0 24px 80px rgba(0,0,0,.36),inset 0 0 42px rgba(245,158,11,.05);overflow:hidden;position:relative}.hero:after{content:"Ньютон • сила • масса • ускорение • инерция";position:absolute;right:-52px;bottom:14px;color:rgba(245,158,11,.12);font-size:38px;font-weight:900;letter-spacing:.04em;transform:rotate(-4deg);white-space:nowrap}.badge{display:none}.hero h1{margin:0;font-size:clamp(34px,5vw,60px);line-height:1.04;letter-spacing:-.04em}.hero p{display:none}.layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:22px;margin-top:22px}.sidebar{position:sticky;top:18px;align-self:start;border:1px solid var(--line);border-radius:22px;background:rgba(15,14,28,.78);padding:16px;box-shadow:0 12px 42px rgba(0,0,0,.28)}.sidebar h2{margin:0 0 12px;color:#fed7aa;font-size:15px;letter-spacing:.08em;text-transform:uppercase}.navlink{display:block;padding:9px 11px;color:var(--text);text-decoration:none;border:1px solid transparent;border-radius:14px}.navlink:hover{color:#fdba74;background:rgba(245,158,11,.10);border-color:rgba(245,158,11,.28)}.page-card{border:1px solid var(--line);border-radius:26px;padding:30px;background:var(--card);box-shadow:0 18px 60px rgba(0,0,0,.30);overflow:hidden}.page-card h1{margin:0 0 18px;font-size:clamp(30px,4vw,48px);line-height:1.12}.page-card h2{margin-top:30px;padding-top:14px;border-top:1px solid rgba(255,187,102,.20);color:#fed7aa}.page-card h3{color:#fecdd3;margin-top:24px}p{margin:13px 0}a{color:#fdba74;text-decoration:none;border-bottom:1px solid rgba(253,186,116,.35)}a:hover{color:#ffedd5;border-bottom-color:#ffedd5}.content-list{padding-left:24px}.content-list li{margin:8px 0}.unresolved-link{color:#fbbf24}code{color:#bae6fd;background:rgba(56,189,248,.10);border:1px solid rgba(56,189,248,.22);padding:2px 6px;border-radius:7px}pre{overflow:auto;padding:16px;border-radius:16px;border:1px solid rgba(255,187,102,.18);background:rgba(7,17,31,.70)}blockquote{margin:18px 0;padding:14px 18px;border-left:4px solid var(--accent);background:rgba(245,158,11,.08);border-radius:12px}.math-block{overflow-x:auto;margin:18px 0;padding:16px;border:1px solid rgba(245,158,11,.25);background:rgba(20,17,30,.72);border-radius:16px}.table-scroll{overflow-x:auto;margin:18px 0}table{border-collapse:collapse;min-width:520px;width:100%;background:rgba(15,23,42,.50)}td,th{border:1px solid rgba(255,187,102,.20);padding:10px 12px}th{background:rgba(245,158,11,.12);color:#ffedd5}.image-card{margin:22px auto;padding:16px;border:1px solid rgba(255,187,102,.28);border-radius:20px;background:rgba(7,17,31,.32);text-align:center;max-width:1000px}.image-card img{display:block;width:min(100%,920px);height:auto;max-height:620px;object-fit:contain;margin:0 auto;border-radius:12px;background:#fff}.image-card figcaption{margin-top:10px;color:var(--muted);font-size:14px}.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:20px}.tile{display:block;border:1px solid rgba(255,187,102,.24);border-radius:18px;padding:16px;background:rgba(30,32,48,.60);min-height:130px}.tile h3{margin:0 0 8px;color:#fed7aa}.tile p{color:var(--muted)}.back{display:inline-flex;margin-bottom:18px;color:#ffedd5;background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.30);border-radius:999px;padding:8px 12px}@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{position:static}.page-card{padding:22px}}