:root{--bg:#fbfaf7;--fg:#1d2433;--muted:#5b6475;--brand:#0f766e;--brand2:#134e4a;--accent:#f59e0b;--card:#fff;--line:#e5e2da;--r:12px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--fg);background:var(--bg)}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
a{color:var(--brand)}a:hover{color:var(--brand2)}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:9}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding-top:10px;padding-bottom:10px;max-width:1100px}
.brand{display:flex;gap:8px;align-items:center;font-weight:800;font-size:1.15rem;text-decoration:none;color:var(--brand2)}
nav a{margin-left:14px;text-decoration:none;color:var(--fg);font-weight:500}nav a:hover{color:var(--brand)}
main{padding:28px 20px 48px}h1{font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.2;margin:.4em 0}
h2{font-size:1.45rem;margin-top:2em;line-height:1.3}h3{font-size:1.15rem;margin-top:1.6em}
.meta{color:var(--muted);font-size:.9rem}.small{font-size:.85rem;color:var(--muted)}
.disclosure{background:#fff7e6;border:1px solid #f3d9a4;border-radius:var(--r);padding:12px 16px;font-size:.92rem;margin:0 0 20px}
.callout{background:#ecfdf5;border-left:4px solid var(--brand);padding:12px 16px;border-radius:6px;margin:1.2em 0}
.warn{background:#fef2f2;border-left:4px solid #dc2626;padding:12px 16px;border-radius:6px;margin:1.2em 0}
.table-wrap{overflow-x:auto;margin:1em 0}table{border-collapse:collapse;width:100%;background:var(--card);font-size:.94rem}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}th{background:#f1efe9}
.btn{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;padding:8px 14px;border-radius:8px;font-weight:600;margin:4px 6px 4px 0}.btn:hover{background:var(--brand2);color:#fff}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:1.2em 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}.card h3{margin-top:0;font-size:1.05rem}.card a{text-decoration:none}
.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:center}@media(max-width:700px){.hero{grid-template-columns:1fr}nav a{margin:0 12px 0 0}}
figure{margin:1.5em 0}figure svg{width:100%;height:auto;display:block}figcaption{font-size:.85rem;color:var(--muted);text-align:center}
.sources{border-top:2px solid var(--line);margin-top:2.5em;font-size:.92rem}.sources li{margin:.3em 0;word-break:break-word}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:10px 18px;font-size:.95rem}
.site-footer{border-top:1px solid var(--line);background:#fff;padding:20px 0;font-size:.92rem}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}