:root { color-scheme: dark; --bg:#101511; --surface:#1b231c; --ink:#eef2e8; --muted:#bac6b5; --accent:#c9e4b0; --line:#3c4938; }
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--ink); font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; }
a { color:var(--accent); text-underline-offset:4px; }
a:hover { color:white; }
a:focus-visible,summary:focus-visible { outline:2px solid var(--accent); outline-offset:6px; }
.wrap { max-width:1060px; margin:auto; padding:0 28px; }
header { padding:28px 0; border-bottom:1px solid var(--line); }
nav { display:flex; align-items:center; justify-content:space-between; gap:20px; }
.brand { font-size:23px; letter-spacing:-.6px; color:var(--ink); text-decoration:none; font-weight:650; }
.navlinks { display:flex; gap:24px; font-size:14px; }
.navlinks a[aria-current="page"] { color:var(--ink); text-decoration:none; }
main { padding:72px 0 88px; }
.eyebrow { text-transform:uppercase; font-size:12px; letter-spacing:2px; color:var(--accent); font-weight:600; }
h1 { margin:12px 0 20px; font-size:clamp(38px,6vw,64px); line-height:1.08; letter-spacing:-2px; font-weight:550; }
.lead { font-size:21px; line-height:1.6; color:var(--muted); max-width:640px; }
.layout { display:grid; grid-template-columns:1fr 260px; gap:72px; margin-top:54px; align-items:start; }
h2 { font-size:25px; line-height:1.3; letter-spacing:-.5px; margin:0 0 16px; font-weight:550; }
h3 { font-size:18px; margin:26px 0 8px; }
p { margin:0 0 18px; }
section { scroll-margin-top:30px; }
.article { max-width:720px; }
.article section { margin-top:38px; }
aside { padding:24px; background:var(--surface); border-radius:12px; font-size:15px; }
aside h2 { font-size:19px; }
.muted, .meta { color:var(--muted); }
.meta { font-size:14px; }
details { border-top:1px solid var(--line); padding:20px 0; }
details:last-child { border-bottom:1px solid var(--line); }
summary { cursor:pointer; font-size:18px; font-weight:550; padding-right:16px; }
details p { color:var(--muted); margin:14px 0 0; }
ol,ul { padding-left:24px; }
footer { border-top:1px solid var(--line); padding:28px 0; font-size:14px; color:var(--muted); }
footer .wrap { display:flex; flex-wrap:wrap; gap:14px 24px; justify-content:space-between; }
@media(max-width:720px) { .wrap { padding:0 22px; } main { padding:44px 0 60px; } .layout { grid-template-columns:1fr; gap:32px; margin-top:36px; } h1 { letter-spacing:-1.2px; } .navlinks { gap:16px; } }
@media(prefers-reduced-motion:no-preference) { html { scroll-behavior:smooth; } }