:root{color-scheme:dark;--bg:#071923;--text:#e7f3f2;--muted:#a5bdc3;--line:#29434e;--mint:#89d5c2}*{box-sizing:border-box}html{font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.65}body{margin:0}header,main,footer{width:min(100% - 48px,850px);margin:auto}header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px 0;border-bottom:1px solid var(--line)}a{color:var(--mint);text-underline-offset:4px}header a,footer a{text-decoration:none}nav{display:flex;gap:26px}.brand{font-weight:750;color:var(--text);font-size:20px;letter-spacing:-.4px}main{padding:48px 0 64px;min-height:70vh}h1{font-size:clamp(28px,5vw,42px);line-height:1.17;letter-spacing:-1px;margin:0 0 22px;max-width:22ch}h2{font-size:21px;line-height:1.35;margin:38px 0 12px}p{margin:0 0 20px;overflow-wrap:anywhere}.eyebrow,.meta{font-size:14px;color:var(--muted)}.eyebrow{margin-bottom:12px}.meta{margin-bottom:30px}.intro{font-size:18px;color:var(--muted);max-width:60ch}.cards{display:grid;gap:16px;margin:32px 0}.card{border:1px solid var(--line);border-radius:13px;padding:22px;background:#0b2230}.card h2{margin:0 0 10px}.card p{color:var(--muted);margin-bottom:12px}.card a{display:inline-block;min-height:40px;padding-top:8px}details{border-top:1px solid var(--line);padding:16px 0}summary{cursor:pointer;font-weight:650;min-height:32px}details p{margin:12px 0 4px;color:var(--muted)}footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;border-top:1px solid var(--line);padding:24px 0 36px;font-size:14px}.skip{position:absolute;left:20px;top:-70px;background:var(--mint);color:var(--bg);padding:8px 16px}.skip:focus{top:12px}a:focus-visible,summary:focus-visible{outline:2px solid #f0ce87;outline-offset:5px;border-radius:4px}@media(max-width:420px){header,main,footer{width:calc(100% - 36px)}main{padding-top:34px}nav{gap:18px}.brand{font-size:18px}.card{padding:18px}}