:root{
  --bg:#070707;
  --panel:#0e1213;
  --line:#1b2425;
  --text:#f2f6f6;
  --muted:#9fb0b0;
  --teal:#0c9793;
  --mint:#7ff9bc;
  --max:960px;
}
*{box-sizing:border-box}
html{color-scheme:dark;-webkit-text-size-adjust:100%}
body{
  margin:0;min-height:100vh;display:flex;flex-direction:column;
  background:radial-gradient(900px 520px at 12% -8%,rgba(12,151,147,.22),transparent 70%),var(--bg);
  color:var(--text);
  font:400 1.0625rem/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;
}
a{color:var(--mint);text-underline-offset:3px}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 1.5rem}
header.site{padding:1.5rem 0}
header.site .wrap{display:flex;align-items:center;gap:.75rem}
.mark{width:36px;height:36px;display:block}
.site-name{font:500 .95rem/1 ui-monospace,"JetBrains Mono",SFMono-Regular,Menlo,Consolas,monospace;color:var(--muted);letter-spacing:.02em}
main{flex:1}
.hero{padding:clamp(3rem,10vw,7rem) 0 clamp(2.5rem,7vw,5rem)}
.eyebrow{margin:0 0 1rem;font:500 .85rem/1 ui-monospace,"JetBrains Mono",SFMono-Regular,Menlo,Consolas,monospace;color:var(--mint);letter-spacing:.08em;text-transform:lowercase}
h1{margin:0 0 1rem;font-size:clamp(2.5rem,8vw,4.75rem);line-height:1.02;letter-spacing:-.03em;font-weight:750}
h1 .x{color:var(--teal);font-weight:500;padding:0 .08em}
.lede{margin:0 0 2rem;max-width:34rem;font-size:clamp(1.1rem,2.6vw,1.3rem);color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;gap:.75rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.8rem 1.4rem;border-radius:8px;border:1px solid var(--line);
  font-weight:600;font-size:1rem;text-decoration:none;color:var(--text);background:var(--panel);
  transition:border-color .15s,transform .15s,background .15s;
}
.btn:hover{border-color:var(--teal);transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,#0c9793,#52ca9a);border-color:transparent;color:#04110d}
.btn.primary:hover{filter:brightness(1.08)}
section.block{padding:2.5rem 0;border-top:1px solid var(--line)}
section.block h2{margin:0 0 1rem;font-size:1.5rem;letter-spacing:-.01em}
.points{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.9rem}
.points li{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:1rem 1.2rem;color:var(--muted);line-height:1.6}
.points strong{color:var(--text)}
section.block>.wrap>p{color:var(--muted);max-width:44rem;line-height:1.65}
.diagram svg{display:block;width:100%;max-width:420px;height:auto;margin:0 auto}
.d-box rect{fill:#0a1011;stroke:#0c9793;stroke-width:1.5}
.d-gpu rect{stroke:#7ff9bc}
.d-text text{fill:#9fb0b0;font:13px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.d-text .d-h{fill:#f2f6f6;font-weight:600;font-size:14px}
.d-arrow{fill:#7ff9bc}
.d-line{fill:none;stroke:#7ff9bc;stroke-width:1.5}
.d-gate{fill:#0e1213;stroke:#7ff9bc;stroke-width:1.5;stroke-dasharray:4 3}
.d-gate-t{fill:#7ff9bc;font:13px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.diagram{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:1.25rem;overflow-x:auto}
.section-lede{margin:0 0 1.5rem;color:var(--muted);max-width:40rem}
section.block h3{margin:2.25rem 0 .9rem;font:600 .85rem/1 ui-monospace,"JetBrains Mono",SFMono-Regular,Menlo,Consolas,monospace;color:var(--mint);letter-spacing:.08em;text-transform:lowercase}
.stats{list-style:none;margin:0 0 .75rem;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.75rem}
.stats li{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:1rem}
.stats strong{display:block;font-size:2rem;line-height:1.1;letter-spacing:-.02em;color:var(--text)}
.stats span{display:block;margin-top:.35rem;font-size:.9rem;color:var(--muted);line-height:1.4}
.fine{margin:0 0 1.25rem;font-size:.85rem;color:var(--muted)}
.note{margin:0 0 .5rem;padding:.9rem 1rem;border-left:3px solid var(--teal);background:var(--panel);border-radius:0 8px 8px 0;font-size:.95rem;color:var(--muted)}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:.9rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.2rem;transition:border-color .15s}
.card:hover{border-color:var(--teal)}
.card h4{margin:0 0 .4rem;font-size:1.1rem;letter-spacing:-.01em}
.card p{margin:0;font-size:.95rem;color:var(--muted);line-height:1.55}
#gpu-share{margin-top:1rem}
[hidden]{display:none!important}
footer.site{border-top:1px solid var(--line);padding:1.5rem 0 2rem;color:var(--muted);font-size:.9rem}
footer.site p{margin:.25rem 0}
.notice{margin:0}
.notfound{padding:clamp(3rem,12vw,8rem) 0}
.notfound .code{font:700 clamp(4rem,16vw,9rem)/1 ui-monospace,"JetBrains Mono",SFMono-Regular,Menlo,Consolas,monospace;color:var(--teal);margin:0 0 .5rem}
@media (max-width:480px){.btn{width:100%}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}