:root{--bg:#f6f1e8;--ink:#1b2b25;--muted:#395045;--accent:#c46a4a;--line:#d8cebf}*{box-sizing:border-box}html,body{max-width:100vw;overflow-x:hidden}body{min-height:100vh;color:var(--ink);background:radial-gradient(circle at top right,#f3e5dd 0%,transparent 35%),var(--bg);margin:0;font-family:"Source Sans 3",Segoe UI,Arial,sans-serif}.shell{place-items:center;min-height:100vh;padding:2rem 1rem;display:grid}.card{border:1px solid var(--line);background:#fffaf3;border-radius:1rem;width:min(760px,100%);padding:1.4rem;box-shadow:0 8px 30px #1f4d3a14}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.06em;margin:0;font-size:.78rem;font-weight:700}h1{margin:.45rem 0 0;font-size:clamp(1.6rem,4.5vw,2.5rem);line-height:1.08}.lead{color:var(--muted);margin:.85rem 0 0;line-height:1.5}code{background:#f2ebe0;border:1px solid #e2d5c1;border-radius:.45rem;padding:.08rem .35rem}.checks{color:var(--ink);margin:1rem 0 0;padding-left:1.15rem}.checks li{margin-top:.35rem}