:root{--ink:#173235;--muted:#4b6265;--accent:#126b66;--line:#d1dedc;--paper:#f6f8f5}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 system-ui,-apple-system,sans-serif}header,main,footer{max-width:1060px;margin:auto;padding:26px 32px}header{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}a{color:var(--accent);text-underline-offset:4px}nav{display:flex;gap:22px;flex-wrap:wrap}h1{font-size:clamp(34px,5vw,60px);line-height:1.12;letter-spacing:-1.5px;max-width:900px;margin:16px 0 24px}h2{font-size:28px;line-height:1.3;margin:0 0 18px}h3{font-size:20px;margin:0 0 10px}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:12px;font-weight:750;color:var(--accent)}.lead{font-size:22px;max-width:810px;color:var(--muted)}.hero{padding:48px 0}.button{display:inline-block;background:var(--accent);color:white;padding:11px 20px;border-radius:6px;text-decoration:none;font-weight:650}.section{padding:36px 0;border-top:1px solid var(--line)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.number{display:block;font-size:34px;font-weight:700;line-height:1.2}.muted,small{color:var(--muted)}.case{margin:28px 0}.split{display:grid;grid-template-columns:1.2fr 1fr;gap:40px}label{display:block;font-weight:600;font-size:15px}input{font:inherit;width:100%;padding:8px;border:1px solid #8baba7;border-radius:4px;background:white;color:var(--ink)}input:focus{outline:3px solid #9cd5ca}table{border-collapse:collapse;width:100%;margin:12px 0 24px}th,td{text-align:left;padding:10px 6px;border-bottom:1px solid var(--line)}th{font-size:13px}td input{min-width:60px}dt{color:var(--muted);margin-top:20px}dd{margin:0;font-size:30px;font-weight:700}.error{color:#9c2d22;font-weight:650}footer{font-size:13px;border-top:1px solid var(--line);margin-top:30px}button{font:inherit;cursor:pointer;padding:8px 15px;background:white;border:1px solid var(--accent);border-radius:4px;color:var(--accent)}@media(max-width:720px){header,main,footer{padding-left:20px;padding-right:20px}header,.grid,.split{display:block}nav{margin-top:12px}.grid article{margin:22px 0}.hero{padding:30px 0}.lead{font-size:19px}th,td{padding:8px 3px}}