:root{
  --bg: #0b0c0f;
  --fg: #e9e9ee;
  --muted: rgba(233,233,238,.68);
  --line: rgba(233,233,238,.14);
  --card: rgba(233,233,238,.04);
  --accent: #b8ff6a;
  --shadow: rgba(0,0,0,.35);
  --max: 1100px;
  --radius: 18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}
[data-theme="light"]{
  --bg: #fbfbfd;
  --fg: #0b0c0f;
  --muted: rgba(11,12,15,.68);
  --line: rgba(11,12,15,.12);
  --card: rgba(11,12,15,.04);
  --accent: #1f6cff;
  --shadow: rgba(0,0,0,.12);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: var(--sans);
  background: radial-gradient(1200px 700px at 70% -10%, rgba(184,255,106,.10), transparent 55%),
              radial-gradient(1000px 700px at 10% 0%, rgba(31,108,255,.10), transparent 52%),
              var(--bg);
  color:var(--fg);
  line-height:1.55;
}
a{color:inherit; text-decoration:none}
a:hover{opacity:.86}
.wrap{max-width:var(--max); margin:0 auto; padding:28px 18px 60px}
.topbar{
  position:sticky; top:0; z-index:10;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex; gap:14px; align-items:center; justify-content:space-between;
  max-width:var(--max); margin:0 auto; padding:12px 18px;
}
.brand{
  display:flex; flex-direction:column; gap:2px;
}
.brand .name{font-weight:650; letter-spacing:.2px}
.brand .tag{font-family:var(--mono); font-size:12px; color:var(--muted)}
.menu{display:flex; gap:14px; align-items:center; flex-wrap:wrap}
.menu a{
  font-size:14px;
  color:var(--muted);
  padding:8px 10px;
  border-radius:999px;
  border:1px solid transparent;
}
.menu a[aria-current="page"]{
  color:var(--fg);
  border-color: var(--line);
  background: var(--card);
}
.pill{
  display:inline-flex; gap:10px; align-items:center;
  padding:8px 12px; border:1px solid var(--line);
  border-radius:999px; background: var(--card);
  color:var(--muted); font-size:13px;
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:10px 14px; border-radius:999px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--fg);
  cursor:pointer;
}
.btn:hover{background:var(--card)}
.hero{
  padding:38px 0 10px;
  display:grid;
  grid-template-columns: 1.4fr .8fr;
  gap:22px;
  align-items:start;
}
@media (max-width: 860px){
  .hero{grid-template-columns:1fr}
}
h1{
  margin:0 0 10px;
  font-size: clamp(34px, 5vw, 56px);
  line-height:1.06;
  letter-spacing:-.6px;
}
.sub{
  font-size:16px;
  color:var(--muted);
  max-width: 70ch;
}
.k{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.2px;
  color:var(--muted);
  text-transform:uppercase;
}
.grid{
  margin-top:26px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}
@media (max-width: 860px){
  .grid{grid-template-columns:1fr}
}
.card{
  border:1px solid var(--line);
  background: linear-gradient(180deg, var(--card), transparent 60%);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: 0 14px 30px var(--shadow);
}
.card h2{
  margin:0 0 10px;
  font-size:18px;
  letter-spacing:-.2px;
}
.card p{margin:10px 0; color:var(--muted)}
.list{
  margin:10px 0 0;
  padding:0;
  list-style:none;
}
.list li{
  padding:10px 0;
  border-top:1px solid var(--line);
  display:flex;
  gap:10px;
  align-items:baseline;
  justify-content:space-between;
}
.list li:first-child{border-top:0}
.list .l{color:var(--fg)}
.list .r{color:var(--muted); font-family:var(--mono); font-size:12px}
.tagrow{
  display:flex; flex-wrap:wrap; gap:8px;
  margin-top:10px;
}
.tag{
  display:inline-flex; align-items:center;
  padding:6px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13px;
  color:var(--muted);
  background:transparent;
}
.tag b{
  color:var(--fg);
  font-weight:600;
  margin-right:8px;
}
hr.sep{
  border:0;
  border-top:1px solid var(--line);
  margin:26px 0;
}
.answer{
  border-left: 2px solid var(--accent);
  padding-left: 14px;
  margin:14px 0;
  color:var(--muted);
}
.answer strong{color:var(--fg)}
.small{
  font-size:13px;
  color:var(--muted);
}
.twoCol{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}
@media (max-width: 860px){
  .twoCol{grid-template-columns:1fr}
}
.footer{
  margin-top:44px;
  padding-top:16px;
  border-top:1px solid var(--line);
  color:var(--muted);
  display:flex;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
}
code.inline{
  font-family:var(--mono);
  font-size:12px;
  padding:2px 6px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--card);
  color:var(--muted);
}
details{
  border:1px solid var(--line);
  border-radius: 14px;
  padding:12px 14px;
  background: linear-gradient(180deg, var(--card), transparent 70%);
}
details + details{margin-top:10px}
summary{
  cursor:pointer;
  color:var(--fg);
  font-weight:600;
}
summary::marker{color:var(--muted)}