*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#fff;--surface:#f5f5f7;--ink:#0a0a0f;--muted:#5f5f68;--line:rgba(10,10,15,.1)}
@media (prefers-color-scheme:dark){:root{--bg:#0a0a0f;--surface:#15151b;--ink:#fff;--muted:#a1a1aa;--line:rgba(255,255,255,.12)}}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,'SF Pro Text','Segoe UI',Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;padding:48px 20px 96px}
.wrap{max-width:720px;margin:0 auto}
header{margin-bottom:36px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.brand{font-size:12px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
h1{font-size:36px;font-weight:800;letter-spacing:-.5px;line-height:1.15;margin-bottom:10px}
.updated,.lead{color:var(--muted)}
.lead{font-size:18px}
h2{font-size:21px;font-weight:700;margin:38px 0 10px;letter-spacing:-.2px}
h3{font-size:16px;font-weight:700;margin:22px 0 6px}
p{margin:0 0 14px;color:var(--muted)}
p strong,li strong{color:var(--ink)}
ul{margin:0 0 16px;padding-left:22px}
li{margin:0 0 8px;color:var(--muted)}
a{color:var(--ink);text-underline-offset:3px}
.card{background:var(--surface);border-radius:18px;padding:20px 22px;margin:18px 0}
.card p:last-child{margin-bottom:0}
.btn{display:inline-block;background:var(--ink);color:var(--bg);text-decoration:none;font-weight:600;padding:12px 22px;border-radius:999px;margin:6px 8px 6px 0}
.btn.ghost{background:var(--surface);color:var(--ink)}
footer{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
footer a{color:var(--muted)}
@media (max-width:560px){body{padding:32px 16px 72px}h1{font-size:30px}}