:root{color-scheme:light dark;--bg:#f4faf7;--ink:#182b28;--muted:#4c625c;--accent:#086b5c;--card:#eaf3ee}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,sans-serif}main{max-width:800px;margin:auto;padding:32px 24px 64px}nav{display:flex;gap:24px;margin-bottom:56px}a{color:var(--accent);text-underline-offset:4px}a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}h1{font-size:clamp(2rem,6vw,3.25rem);line-height:1.13;letter-spacing:-.035em}h2{font-size:1.4rem;margin-top:0}h3{font-size:1.05rem;margin-bottom:0}p{margin-top:.65em}.eyebrow{color:var(--muted);font-weight:650}section{background:var(--card);border-radius:20px;padding:28px;margin-top:24px}li{padding:5px 0}footer{color:var(--muted);margin-top:36px;font-size:.9rem}@media(prefers-color-scheme:dark){:root{--bg:#11201d;--ink:#e7f1eb;--muted:#b4c8bd;--accent:#83d7c6;--card:#1b3029}}@media(max-width:480px){main{padding:24px 16px 40px}section{padding:22px}nav{margin-bottom:32px}}