@font-face{font-family:'Source Serif 4';font-weight:600;font-display:swap;src:url('fonts/source-serif-4-600.woff2') format('woff2')}
@font-face{font-family:'Inter';font-weight:400;font-display:swap;src:url('fonts/inter-400.woff2') format('woff2')}
@font-face{font-family:'Inter';font-weight:600;font-display:swap;src:url('fonts/inter-600.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-weight:400;font-display:swap;src:url('fonts/ibm-plex-mono-400.woff2') format('woff2')}
:root{--bg:#0B1626;--surface:#0F1C30;--line:rgba(255,255,255,.09);--text:#ECEFF4;--muted:#A3B1C2;--faint:#7E8DA3;--accent:#38BDC9;
  --serif:'Source Serif 4',Georgia,serif;--sans:'Inter',system-ui,sans-serif;--mono:'IBM Plex Mono',monospace}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:760px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line);background:rgba(11,22,38,.78);backdrop-filter:blur(10px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:inline-flex;align-items:center;gap:11px;font-family:var(--serif);font-weight:600;font-size:1.06rem;color:var(--text)}
.logo-mark{width:28px;height:28px;flex:none}
.back{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.back:hover{color:var(--accent);text-decoration:none}
main{padding:64px 0 80px}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
h1{font-family:var(--serif);font-weight:600;font-size:clamp(1.9rem,4vw,2.6rem);letter-spacing:-.01em;line-height:1.15;margin:14px 0 6px}
.updated{font-family:var(--mono);font-size:.76rem;color:var(--faint);margin-bottom:34px}
h2{font-family:var(--serif);font-weight:600;font-size:1.3rem;margin:34px 0 10px;letter-spacing:-.005em}
p,li{color:var(--muted);font-size:1rem}
p{margin:0 0 14px}
ul{margin:0 0 14px 22px}
li{margin-bottom:7px}
strong{color:var(--text);font-weight:600}
.box{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:20px 24px;margin:20px 0}
footer{border-top:1px solid var(--line);padding:30px 0}
.foot{display:flex;flex-wrap:wrap;gap:14px 24px;justify-content:space-between;color:var(--faint);font-size:.8rem;font-family:var(--mono)}
.foot a{color:var(--muted)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}