:root{--td-accent:#0ea5e9;--td-text:#1f2937;--td-muted:#6b7280;--td-bg:#ffffff;--td-border:#e5e7eb}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;color:var(--td-text);background:var(--td-bg)}.container{max-width:980px;margin:0 auto;padding:24px}.hero{padding:28px 0 12px}.hero h1{font-size:clamp(28px, 5vw, 40px);line-height:1.1;margin:0 0 12px}.hero p.lead{font-size:18px;color:var(--td-muted);margin:0 0 18px}.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--td-accent);color:#fff;border:0;border-radius:10px;padding:12px 16px;font-weight:600;text-decoration:none;cursor:pointer}.btn:focus-visible{outline:3px solid #94d9f9;outline-offset:2px}.btn.secondary{background:#fff;color:var(--td-text);border:1px solid var(--td-border)}.grid{display:grid;gap:20px;grid-template-columns:1fr}@media (min-width:900px){.grid-2{grid-template-columns:1.1fr .9fr}}.card{border:1px solid var(--td-border);border-radius:12px;padding:16px;background:#fff}h2{font-size:22px;margin:22px 0 10px}h3{font-size:18px;margin:18px 0 8px}.list{margin:10px 0;padding-left:18px}.muted{color:var(--td-muted)}.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;font-size:14px;background:#f8fafc;border:1px solid var(--td-border);border-radius:8px;padding:12px;overflow:auto}.code-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:8px}.copy{font-size:13px;padding:8px 10px;border-radius:8px;border:1px solid var(--td-border);background:#f3f4f6;cursor:pointer}.pill{display:inline-block;font-size:12px;color:#0f172a;background:#f1f5f9;border:1px solid var(--td-border);padding:4px 8px;border-radius:999px;margin-right:6px}details{border:1px solid var(--td-border);border-radius:10px;padding:12px 14px;background:#fff}details+details{margin-top:10px}summary{cursor:pointer;font-weight:600