:root{color-scheme:light;--ink:#18352e;--muted:#52645e;--paper:#f8faf6;--line:#d6dfd7;--accent:#176548}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.7 system-ui,-apple-system,"Segoe UI",sans-serif}
header,main,footer{width:min(100% - 48px,860px);margin-inline:auto}
header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-block:28px;border-bottom:1px solid var(--line);font-size:15px}
.brand{font-weight:750;text-decoration:none;color:var(--ink)}
main{padding-block:64px 40px}
.eyebrow{font-size:13px;font-weight:750;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 16px}
h1{font-size:clamp(36px,6vw,60px);line-height:1.12;letter-spacing:-.035em;font-weight:650;margin:0 0 28px}
.intro{font-size:22px;line-height:1.55;max-width:740px;color:var(--muted)}
section{padding-top:28px;margin-top:30px;border-top:1px solid var(--line)}
h2{font-size:23px;line-height:1.3;margin:0 0 14px}
p{margin:0 0 16px}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}
a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
code{font-size:.92em;background:#e8eee8;padding:2px 5px;border-radius:4px}
footer{padding-block:24px 40px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
@media(max-width:500px){header,main,footer{width:calc(100% - 36px)}header{align-items:flex-start;flex-direction:column;gap:8px}main{padding-top:40px}.intro{font-size:20px}}