:root{color-scheme:light dark;--bg:#eae9e0;--surface:#f6f5ee;--ink:#16212b;--soft:#4b5560;--line:#c9c6b8;--accent:#1a2e4a}@media(prefers-color-scheme:dark){:root{--bg:#10151a;--surface:#171f26;--ink:#e8e6dc;--soft:#aab0a3;--line:#313a35;--accent:#dd9d47}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,'Malgun Gothic',sans-serif;line-height:1.8;word-break:keep-all;overflow-wrap:anywhere}a{color:var(--accent);text-underline-offset:4px}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}header,main,footer{max-width:980px;margin:auto;padding:1.2rem 1.5rem}header{display:flex;justify-content:space-between;align-items:center;gap:1rem;border-bottom:1px solid var(--line);flex-wrap:wrap}header .brand{font-size:1.25rem;font-weight:750;text-decoration:none}nav{display:flex;gap:1.2rem;flex-wrap:wrap;font-size:.9rem}.crumb{font-size:.85rem;color:var(--soft);margin:1.5rem 0}.eyebrow{font-size:.75rem;letter-spacing:.12em;color:var(--soft)}h1{font-size:clamp(1.8rem,5vw,3rem);line-height:1.3;letter-spacing:-.04em;max-width:850px;margin:1rem 0 1.3rem}h2{font-size:1.35rem;line-height:1.5}p,li{max-width:78ch}section{padding:1.6rem 0;border-top:1px solid var(--line)}.intro{font-size:1.08rem;color:var(--soft);margin-bottom:2rem}.cta{display:inline-block;border:1px solid var(--accent);padding:.65rem 1.15rem;border-radius:6px;text-decoration:none;font-weight:650;margin:.5rem 0 2rem}details{background:var(--surface);padding:1rem 1.2rem;border:1px solid var(--line);border-radius:8px;margin:.8rem 0}summary{cursor:pointer;font-weight:650}details p{margin:.7rem 0 .2rem;color:var(--soft)}.related{display:flex;gap:.8rem;flex-wrap:wrap}.related a{padding:.5rem .9rem;border:1px solid var(--line);border-radius:5px}footer{border-top:1px solid var(--line);color:var(--soft);font-size:.85rem;padding-bottom:3rem}.skip{position:absolute;top:-100px}.skip:focus{top:0;background:var(--surface);padding:1rem;z-index:10}@media(max-width:500px){header,main,footer{padding-left:1rem;padding-right:1rem}nav{gap:.8rem}li{margin:.4rem 0}}