:root { color-scheme: light; --ink:#143f3d; --muted:#58706d; --paper:#fffaf2; --mint:#dceee4; --line:#c9ddd3; }
* { box-sizing: border-box; }
body { margin:0; background:linear-gradient(145deg,var(--paper),#eff7f2); color:var(--ink); font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; }
main { width:min(760px,calc(100% - 40px)); margin:0 auto; padding:64px 0 88px; }
nav { display:flex; align-items:center; justify-content:space-between; gap:20px; margin-bottom:64px; }
.brand { color:var(--ink); font-weight:800; letter-spacing:-.02em; text-decoration:none; }
nav div { display:flex; gap:20px; }
nav a { color:var(--ink); }
h1,h2 { font-family:ui-serif,Georgia,serif; line-height:1.08; letter-spacing:-.035em; }
h1 { max-width:670px; margin:0 0 20px; font-size:clamp(44px,8vw,72px); }
h2 { margin:48px 0 10px; font-size:30px; }
p,li { color:var(--muted); }
.lede { max-width:650px; font-size:21px; }
.card { margin-top:40px; padding:24px 26px; border:1px solid var(--line); border-radius:22px; background:rgba(255,255,255,.72); }
.card h2 { margin-top:0; }
a { color:#12615b; text-underline-offset:3px; }
footer { margin-top:64px; padding-top:24px; border-top:1px solid var(--line); color:var(--muted); font-size:14px; }
@media (max-width:520px) { main { padding-top:32px; } nav { align-items:flex-start; margin-bottom:44px; } nav div { flex-direction:column; gap:4px; } }