/* Phase 1 static-first base. No ad scripts. */
:root{color-scheme:light;--bg:#f8fafc;--text:#111827;--muted:#4b5563;--card:#ffffff;--line:#e5e7eb;--accent:#0f766e}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.site-header{background:#fff;border-bottom:1px solid var(--line)}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}.brand{font-weight:800;text-decoration:none;color:var(--text)}nav a{margin-left:16px;color:var(--text);text-decoration:none}.hero{padding:48px 0}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px}.muted{color:var(--muted)}.site-footer{border-top:1px solid var(--line);padding:28px 0;margin-top:48px;background:#fff}main{min-height:60vh}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:16px;top:16px;background:#fff;padding:8px 12px;border:1px solid var(--line)}