:root{--bg:#fbfaf7;--fg:#141414;--mute:#5f5e5a;--line:#e4e1da;--accent:#1f5f4a;--code:#f2f0ea}
@media (prefers-color-scheme:dark){:root{--bg:#121211;--fg:#ecebe6;--mute:#9b9a94;--line:#2a2a27;--accent:#7cc4a6;--code:#1b1b19}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:880px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line)}header .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:700;letter-spacing:-.02em;font-size:19px;color:var(--fg);text-decoration:none}
nav a{color:var(--mute);text-decoration:none;margin-left:20px;font-size:15px}nav a:hover,nav a[aria-current]{color:var(--fg)}
h1{font-size:clamp(34px,6vw,52px);line-height:1.08;letter-spacing:-.035em;margin:72px 0 18px;font-weight:700}
h2{font-size:26px;letter-spacing:-.02em;margin:56px 0 12px;line-height:1.2}h3{font-size:18px;margin:28px 0 6px}
.lede{font-size:20px;color:var(--mute);max-width:640px;margin:0 0 28px}
.btn{display:inline-block;background:var(--fg);color:var(--bg);padding:11px 18px;border-radius:6px;text-decoration:none;font-weight:600;margin-right:12px}
.btn.ghost{background:none;color:var(--fg);border:1px solid var(--line)}
pre{background:var(--code);border:1px solid var(--line);border-radius:6px;padding:16px;overflow-x:auto;font:13.5px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace}
code{font:0.92em ui-monospace,SFMono-Regular,Menlo,monospace}
table{width:100%;border-collapse:collapse;margin:16px 0;font-size:15px}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}th{font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:8px 32px}
.grid p{color:var(--mute);margin:4px 0 0}
ul{padding-left:20px}li{margin:6px 0}
footer{border-top:1px solid var(--line);margin-top:96px;padding:28px 0 48px;color:var(--mute);font-size:14px}
footer a{color:var(--mute)}
.note{color:var(--mute);font-size:14px}
hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.signup{display:grid;gap:14px;max-width:560px}.signup label{display:grid;gap:6px;font-weight:600;font-size:15px}
.signup input[type=email]{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--fg)}
.signup input:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.signup .check{display:flex;gap:10px;align-items:flex-start;font-weight:400}.signup .check input{margin-top:5px}
button.btn{border:0;font:inherit;font-weight:600;cursor:pointer;justify-self:start}button.btn.ghost{border:1px solid var(--line)}button.btn:disabled{opacity:.6;cursor:default}
pre.key{white-space:pre-wrap;word-break:break-all}.error{color:#b3261e}@media (prefers-color-scheme:dark){.error{color:#f2b8b5}}
.signup label .note{font-weight:400}