:root{--bg:#0d1117;--panel:#161b22;--line:#30363d;--text:#e6edf3;--muted:#8b949e;--path:#58a6ff;--displacement:#f0b429;--velocity:#3fd0a8;--ok:#3fb950;--no:#f85149;--font:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--mono:"JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);font:16px/1.5 var(--font);margin:0}a{color:var(--path)}button{font:inherit}.wrap{max-width:1100px;margin:0 auto;padding:0 16px}header.site{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:18px 0;display:flex}.brand{letter-spacing:.02em;font-weight:700}.brand small{color:var(--muted);margin-left:8px;font-weight:400}.hero{padding:56px 0 32px}.hero h1{letter-spacing:-.02em;margin:0 0 12px;font-size:clamp(30px,5vw,48px);line-height:1.1}.hero p{color:var(--muted);max-width:60ch;font-size:18px}.card{background:var(--panel);border:1px solid 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