:root{
  --ink:#1c2330;--muted:#5d6b81;--line:#e3e7ee;--bg:#fbfcfe;--accent:#e07a2f;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.6 ui-sans-serif,system-ui,"Segoe UI",Roboto,"Helvetica Neue",sans-serif}
a{color:inherit;text-decoration:none}
code{background:#eef1f6;border-radius:5px;padding:.1rem .35rem;font-size:.92em}
pre{background:#0f172a;color:#e2e8f0;padding:1rem 1.1rem;border-radius:10px;overflow:auto}
pre code{background:none;color:inherit;padding:0}

.site-head{display:flex;align-items:center;justify-content:space-between;
  padding:1rem 1.4rem;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0}
.brand{font-weight:650;letter-spacing:-.01em;display:flex;align-items:center;gap:.5rem}
.brand .sub{color:var(--muted);font-weight:450}
.dot{width:.62rem;height:.62rem;border-radius:50%;background:var(--accent);display:inline-block}
.site-head nav{display:flex;gap:1.2rem;font-size:.95rem;color:var(--muted)}
.site-head nav a:hover{color:var(--ink)}

main{max-width:60rem;margin:0 auto;padding:2.4rem 1.4rem 3.5rem}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:2.2rem;align-items:center}
.hero h1{font-size:2rem;margin:0 0 .5rem;letter-spacing:-.02em}
.hero img{width:100%;height:auto;border-radius:12px;border:1px solid var(--line);
  box-shadow:0 12px 30px rgba(28,35,48,.09)}
.lead{color:var(--muted);margin:0 0 1.2rem}
.cta-row{display:flex;gap:.7rem;flex-wrap:wrap}
.btn{background:var(--accent);color:#fff;padding:.6rem 1rem;border-radius:8px;font-size:.95rem}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn:hover{filter:brightness(.97)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem;margin:3rem 0}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.15rem}
.card h2{font-size:1.02rem;margin:0 0 .45rem}
.card p{font-size:.93rem;color:var(--muted);margin:0 0 .55rem}
.card .meta{font-size:.84rem;color:#8494a9}

.usage h2{font-size:1.15rem;margin-bottom:.6rem}
.note{font-size:.9rem;color:var(--muted)}
.site-foot{border-top:1px solid var(--line);padding:1.4rem;color:#8494a9;font-size:.9rem;text-align:center}

@media (max-width:820px){
  .hero{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  main{padding-top:1.6rem}
}