:root{
  --bg:#090b10; --bg-soft:#0e1118; --panel:rgba(20,24,34,.76); --panel-solid:#141822;
  --line:rgba(255,255,255,.1); --line-strong:rgba(255,255,255,.18);
  --text:#f6f7fb; --muted:#9da5b4; --muted-strong:#c5cad3;
  --red:#ff4b4b; --violet:#9c7cff; --cyan:#5de4d7; --gold:#ffcc66;
  --radius:18px; --shell:min(100% - 28px, 1080px);
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased}
.shell{width:var(--shell);margin-inline:auto}
a{color:var(--cyan)}
code{font-family:var(--mono);font-size:.87em;background:rgba(255,255,255,.06);
  border:1px solid var(--line);border-radius:6px;padding:.08em .38em}
header.top{border-bottom:1px solid var(--line);background:var(--bg-soft);padding:14px 0;
  position:sticky;top:0;z-index:5;backdrop-filter:blur(8px)}
header.top .shell{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
header.top .brand{font-weight:700;letter-spacing:-.01em}
header.top nav{margin-left:auto;display:flex;gap:16px;font-size:.9rem;flex-wrap:wrap}
header.top nav a{color:var(--muted-strong);text-decoration:none}
header.top nav a:hover{color:var(--text)}
.hero{padding:56px 0 34px}
.eyebrow{font-family:var(--mono);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--violet);margin:0 0 14px}
h1{font-size:clamp(1.9rem,4.4vw,3rem);line-height:1.1;margin:0 0 18px;letter-spacing:-.02em}
.lede{font-size:1.1rem;color:var(--muted-strong);max-width:68ch;margin:0 0 26px}
.cards{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.card .k{font-size:1.9rem;font-weight:700;letter-spacing:-.02em}
.card .l{font-size:.82rem;color:var(--muted);margin-top:4px}
section{padding:38px 0;border-top:1px solid var(--line)}
.part{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--violet);margin:0 0 8px}
h2{font-size:clamp(1.35rem,2.7vw,1.8rem);margin:0 0 8px;letter-spacing:-.015em}
h3{letter-spacing:-.01em}
.sub{color:var(--muted);margin:0 0 24px;max-width:72ch}
p{color:var(--muted-strong)}
.two{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}
.panel h3{margin:0 0 10px;font-size:1rem}
.panel p,.panel li{color:var(--muted-strong);font-size:.93rem}
.panel ul{margin:0;padding-left:20px}
.panel li{margin-bottom:6px}
.panel li:last-child{margin-bottom:0}
.panel .quote{font-family:var(--mono);font-size:.84rem;line-height:1.6;margin:0}
.scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-solid)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:.9rem}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line)}
thead th{background:rgba(255,255,255,.03);font-size:.76rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--muted);font-weight:600;white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
td.num{font-family:var(--mono);text-align:right;white-space:nowrap}
.pm{color:var(--muted);font-size:.82em}
pre{margin:0;overflow-x:auto;background:#0b0e14;border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;font-family:var(--mono);font-size:.82rem;color:var(--muted-strong)}
.cmd{display:flex;gap:10px;align-items:flex-start}
.cmd pre{flex:1}
button.copy{background:rgba(255,255,255,.06);border:1px solid var(--line-strong);color:var(--text);
  border-radius:10px;padding:9px 13px;font-size:.8rem;cursor:pointer;white-space:nowrap}
button.copy:hover{background:rgba(255,255,255,.12)}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 0;padding:0;list-style:none}
.tags li{font-family:var(--mono);font-size:.74rem;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:4px 11px}
.cta{display:inline-block;background:var(--gold);color:#1a1206;font-weight:700;text-decoration:none;
  border-radius:12px;padding:12px 18px;margin-top:6px}
.cta:hover{filter:brightness(1.08)}
.note{font-size:.92rem;padding-left:12px;border-left:2px solid var(--gold);color:var(--muted-strong)}
.note span{font-weight:600;color:var(--text);margin-right:6px}
footer{border-top:1px solid var(--line);padding:26px 0 44px;color:var(--muted);font-size:.85rem}
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(14px);
  background:var(--panel-solid);border:1px solid var(--line-strong);border-radius:12px;
  padding:10px 16px;font-size:.85rem;opacity:0;pointer-events:none;transition:.22s}
.toast.visible{opacity:1;transform:translateX(-50%)}
@media (max-width:640px){.hero{padding:36px 0 24px}.cmd{flex-direction:column}}