:root{color-scheme:light;--bg:#f5f6f4;--ink:#17202b;--muted:#52606b;--line:#d9dcd6;--accent:#1f4f8f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,sans-serif}main,nav,footer{max-width:980px;margin:auto;padding:24px}nav{display:flex;justify-content:space-between;border-bottom:1px solid var(--line)}a{color:var(--accent);text-underline-offset:3px}nav a{font-weight:650}h1{font:600 clamp(30px,5vw,46px)/1.15 Georgia,serif;margin:20px 0 16px}h2{font:600 26px/1.25 Georgia,serif}p{max-width:72ch}.eyebrow{color:var(--muted);font-size:13px;letter-spacing:.05em;text-transform:uppercase}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(265px,1fr));gap:16px;margin:24px 0}.card{display:block;background:white;border:1px solid var(--line);border-radius:10px;padding:24px;text-decoration:none}.card strong{display:block;font-size:19px;margin-bottom:8px}.card span{color:var(--muted);font-size:14px}.card:hover{border-color:var(--accent)}:focus-visible{outline:3px solid #2a78d6;outline-offset:4px}.notice{border-left:3px solid var(--accent);padding:12px 18px;background:#eaf0f6}footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px}