:root{--bg:#f6f7fb;--fg:#12172b;--muted:#5b6382;--card:#ffffff;--line:#e2e5f1;--acc:#2d6fff;--acc2:#7a4dff;--code:#eef1fb}
@media (prefers-color-scheme:dark){:root{--bg:#0b1020;--fg:#e8ebf7;--muted:#98a1c4;--card:#131a33;--line:#222b4d;--acc:#6b9bff;--acc2:#a58bff;--code:#1a2342}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--acc);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}
.top{display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;align-items:center;justify-content:space-between;max-width:1080px;margin:0 auto;padding:1rem 1.25rem}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.15rem;color:var(--fg);text-decoration:none}
.logo{display:grid;place-items:center;width:2.1rem;height:2.1rem;border-radius:.6rem;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;font-weight:800;font-size:.95rem}
nav{display:flex;flex-wrap:wrap;gap:.25rem 1rem}nav a{color:var(--muted);text-decoration:none;padding:.25rem 0}nav a:hover{color:var(--fg)}
main{max-width:1080px;margin:0 auto;padding:0 1.25rem 3rem}
.hero{padding:3rem 0 2rem}.eyebrow{color:var(--acc);font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-size:.8rem;margin:0}
h1{font-size:clamp(1.9rem,5vw,3rem);line-height:1.15;margin:.4rem 0 1rem}h2{font-size:1.5rem;margin:2.5rem 0 .75rem}h3{margin:0 0 .4rem;font-size:1.05rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:46rem}.cta{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.5rem 0}
.btn{display:inline-block;padding:.75rem 1.2rem;border-radius:.7rem;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;text-decoration:none;font-weight:600}
.btn.ghost{background:transparent;color:var(--muted);border:1px dashed var(--line);cursor:default}
.note{color:var(--muted);font-size:.92rem;max-width:46rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem;margin-top:1rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:1rem;padding:1.1rem 1.2rem}.card p{margin:0;color:var(--muted)}
.list{padding-left:1.2rem}code{background:var(--code);padding:.1rem .4rem;border-radius:.35rem;font-size:.9em}
.callout{background:var(--card);border-left:4px solid var(--acc);padding:.9rem 1.1rem;border-radius:.5rem}
.doc{max-width:46rem;padding-top:2rem}.doc h1{font-size:clamp(1.7rem,4vw,2.3rem)}.doc li{margin:.35rem 0}
.muted{color:var(--muted)}section[lang=en]{margin-top:2.5rem;padding-top:1rem;border-top:1px solid var(--line)}
.foot{border-top:1px solid var(--line);max-width:1080px;margin:0 auto;padding:1.5rem 1.25rem 3rem;color:var(--muted);font-size:.92rem}.foot p{margin:.3rem 0}
:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
@media (max-width:560px){.hero{padding-top:1.5rem}nav{gap:.1rem .8rem}}
@media (prefers-reduced-motion:no-preference){.btn,.card{transition:transform .15s}.btn:hover,.card:hover{transform:translateY(-2px)}}