:root{
  color-scheme: dark;
  --bg:#050607; --panel:#0b0d0f; --ink:#f1f0ec; --mute:#8d9196; --faint:#4a4e53;
  --line:rgba(241,240,236,.12); --brand:#d8c8b5;
  --display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --body:"Hanken Grotesk","Helvetica Neue",Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-underline-offset:3px}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px max(16px,4vw);background:rgba(5,6,7,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top a{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.top img{height:22px;width:auto}
.top .back{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute)}
.top .back:hover{color:var(--ink)}
main{max-width:760px;margin:0 auto;padding:clamp(48px,9vw,96px) 16px 80px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--brand)}
h1{font-family:var(--display);font-stretch:112%;font-weight:800;font-size:clamp(40px,8vw,72px);line-height:.95;letter-spacing:-.03em;margin:14px 0 18px}
.meta{color:var(--mute);font-size:15px;margin:0 0 28px}
.summary{border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:22px 24px;margin:0 0 36px}
.summary b{display:block;font-family:var(--display);font-stretch:108%;font-size:19px;margin-bottom:8px}
.summary ul{margin:0;padding-left:20px;color:#c3c6ca}
.summary li{margin:4px 0}
nav.toc{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;margin:0 0 40px}
nav.toc ol{margin:0;padding-left:22px;columns:2;column-gap:32px;color:var(--mute);font-size:15px}
nav.toc a{color:var(--ink);text-decoration:none}
nav.toc a:hover{color:var(--brand)}
h2{font-family:var(--display);font-stretch:108%;font-weight:700;font-size:clamp(22px,3.4vw,28px);letter-spacing:-.01em;line-height:1.2;margin:48px 0 12px;scroll-margin-top:84px}
h2 span{font-family:var(--mono);font-size:13px;letter-spacing:.14em;color:var(--brand);margin-right:12px;vertical-align:3px}
h3{font-size:18px;margin:26px 0 6px}
p,li{color:#c3c6ca}
ul{padding-left:22px}
li{margin:6px 0}
strong{color:var(--ink)}
.note{font-size:14px;color:var(--mute);border-left:2px solid var(--brand);padding-left:14px;margin-top:40px}
footer{border-top:1px solid var(--line);padding:28px 16px 40px;text-align:center;color:var(--mute);font-size:14px}
footer a{color:var(--ink);text-decoration:none;margin:0 10px}
footer a:hover{color:var(--brand)}
@media (max-width:640px){nav.toc ol{columns:1}}
nav.toc li{margin:0 0 6px;break-inside:avoid}