:root{--bg:#fafafa;--fg:#0f172a;--muted:#475569;--card:#fff;--line:#e2e8f0;--accent:#4f46e5;--accent2:#06b6d4;--radius:16px;--max:1100px;
font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#0b1020;--fg:#e2e8f0;--muted:#94a3b8;--card:#121a2e;--line:#1f2a44;--accent:#818cf8}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);line-height:1.6;font-size:1.0625rem}
a{color:var(--accent)}a:focus-visible,.btn:focus-visible{outline:3px solid var(--accent2);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--card);padding:.5rem 1rem;z-index:10}
header.site{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:5}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.9rem;padding-bottom:.9rem;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.2rem;color:var(--fg);text-decoration:none}
.brand img{width:32px;height:32px}
nav ul{list-style:none;display:flex;gap:1.25rem;margin:0;padding:0;flex-wrap:wrap}
nav a{color:var(--muted);text-decoration:none;font-weight:500}nav a:hover,nav a[aria-current=page]{color:var(--fg)}
.hero{padding:5rem 0 4rem}.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.1;margin:0 0 1rem;letter-spacing:-.02em}
.grad{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.2rem;color:var(--muted);max-width:40rem}
.btn{display:inline-block;padding:.75rem 1.4rem;border-radius:999px;background:var(--accent);color:#fff;text-decoration:none;font-weight:600;margin:.5rem .5rem 0 0}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
section{padding:3rem 0}h2{font-size:1.8rem;letter-spacing:-.01em;margin-top:0}
.grid{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;transition:transform .15s,box-shadow .15s}
a.card{color:inherit;text-decoration:none;display:block}a.card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.08)}
.card h3{margin:.75rem 0 .25rem}.card p{color:var(--muted);margin:.25rem 0}
.icon{width:72px;height:72px;border-radius:18px}.icon.lg{width:120px;height:120px;border-radius:28px}
.badge{display:inline-block;font-size:.8rem;font-weight:600;padding:.15rem .6rem;border-radius:999px;background:rgba(79,70,229,.12);color:var(--accent);text-transform:capitalize}
.badge.available{background:rgba(16,185,129,.15);color:#059669}
.tags{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.75rem}.tag{font-size:.8rem;border:1px solid var(--line);border-radius:999px;padding:.1rem .6rem;color:var(--muted)}
.app-head{display:flex;gap:1.5rem;align-items:center;flex-wrap:wrap;padding-top:3rem}
.app-head h1{margin:0;font-size:clamp(2rem,4vw,2.8rem)}
.prose{max-width:46rem}.prose h2{font-size:1.3rem;margin-top:2rem}
footer.site{border-top:1px solid var(--line);margin-top:3rem;padding:2rem 0;color:var(--muted);font-size:.95rem}
footer.site .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}footer.site a{color:var(--muted)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}