:root{color-scheme:light;--ink:#17211e;--muted:#596760;--line:#dce3dd;--paper:#fcfbf7;--accent:#1b5040}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent);text-underline-offset:4px}a:hover{color:#0e3026}header,main,footer{width:min(100% - 48px,1000px);margin:auto}header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px 0;border-bottom:1px solid var(--line)}.brand{font-size:29px;font-weight:900;letter-spacing:-1.5px;color:var(--ink);text-decoration:none}nav{display:flex;flex-wrap:wrap;gap:20px;font-size:14px}nav a{text-decoration:none}main{padding:64px 0 80px}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:2px;font-weight:700;color:var(--accent)}h1{font-size:clamp(36px,6vw,68px);line-height:1.08;letter-spacing:-2.5px;margin:16px 0 24px;max-width:850px}h2{font-size:24px;line-height:1.4;margin:40px 0 12px;letter-spacing:-.5px}h3{font-size:18px;margin:24px 0 8px}p{max-width:760px;margin:12px 0}.lead{font-size:21px;color:var(--muted);max-width:670px}.muted{color:var(--muted);font-size:14px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:40px 0}.card{padding:28px;border:1px solid var(--line);border-radius:18px;background:#fff}.card h2{margin:0 0 12px}.card a{font-weight:600}article{max-width:780px}section+section{margin-top:48px}.divider{border-top:1px solid var(--line);padding-top:36px;margin-top:56px}footer{padding:24px 0 36px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}li{margin:8px 0}details{padding:18px 0;border-bottom:1px solid var(--line);max-width:780px}summary{font-weight:650;cursor:pointer}summary:focus-visible,a:focus-visible{outline:3px solid #85baa6;outline-offset:5px}@media(max-width:600px){header{align-items:flex-start;flex-direction:column;gap:8px}main{padding-top:40px}.cards{grid-template-columns:1fr}h1{letter-spacing:-1.5px}}