:root{--bg:#FAFAF8;--ink:#161719;--mute:#6C6F75;--line:#E3E2DE;--acc:#1F4E79;--btn-ink:#FFFFFF;--panel:#F1F0EC}
@media (prefers-color-scheme:dark){:root{--bg:#131518;--ink:#EDEEF0;--mute:#9A9FA8;--line:#2A2E34;--acc:#7FB0E0;--btn-ink:#0F1418;--panel:#1B1E23}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.6}
.skip{position:absolute;left:-999px;top:8px;background:var(--acc);color:var(--btn-ink);padding:8px 12px;border-radius:4px;z-index:10;text-decoration:none}
.skip:focus{left:8px}
header{max-width:720px;margin:0 auto;padding:28px 24px 0;display:flex;justify-content:space-between;align-items:baseline;gap:12px 16px;flex-wrap:wrap}
header a{color:var(--ink);text-decoration:none}
.brand{font-family:"Archivo",system-ui,sans-serif;font-weight:700;letter-spacing:-.01em;font-size:18px}
nav{display:flex;flex-wrap:wrap;gap:4px 16px}
nav a{color:var(--mute);font-size:14px}
nav a:hover{color:var(--ink)}
main{max-width:720px;margin:0 auto;padding:56px 24px 96px}
h1{font-family:"Archivo",system-ui,sans-serif;font-weight:700;font-size:34px;letter-spacing:-.02em;line-height:1.15;margin:0 0 12px;text-wrap:balance}
h2{font-family:"Archivo",system-ui,sans-serif;font-weight:600;font-size:18px;margin:36px 0 8px}
p,li{max-width:65ch}
.lede{font-size:18px;color:var(--mute);margin:0 0 28px}
.btn{display:inline-block;background:var(--acc);color:var(--btn-ink);text-decoration:none;padding:12px 18px;border-radius:4px;font-weight:500}
.btn:hover{filter:brightness(1.08)}
.meta{color:var(--mute);font-size:14px}
ul,ol{padding-left:20px}
li{margin:0 0 6px}
.samples{list-style:none;padding:0}
.samples li{background:var(--panel);border:1px solid var(--line);border-radius:4px;padding:10px 14px;font-size:15px}
footer{max-width:720px;margin:0 auto;padding:24px;border-top:1px solid var(--line);color:var(--mute);font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
footer a{color:var(--mute)}
a:focus-visible,.btn:focus-visible,.skip:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
@media (max-width:480px){h1{font-size:28px}main{padding:40px 20px 72px}header,footer{padding-left:20px;padding-right:20px}}