*{box-sizing:border-box}:root{--bg:#0b0d12;--card:#141821;--line:#232a36;--fg:#e8ecf3;--mut:#9aa4b2;--acc:#7c5cff;--acc2:#22d3ee}
@media (prefers-color-scheme:light){:root{--bg:#f7f8fb;--card:#fff;--line:#e3e7ee;--fg:#111827;--mut:#5b6472}}
body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg)}
a{color:var(--acc2)}.w{max-width:960px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line)}header .w{display:flex;justify-content:space-between;align-items:center;height:60px}
.logo{font-weight:800;color:var(--fg);text-decoration:none}.logo span{color:var(--acc)}nav a{margin-left:18px;color:var(--mut);text-decoration:none}
.hero{padding:72px 0 48px}.hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.1;margin:0 0 16px}.hero p{color:var(--mut);font-size:1.15rem;max-width:640px}
.grad{background:linear-gradient(90deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-block;background:var(--acc);color:#fff;padding:10px 18px;border-radius:10px;text-decoration:none;font-weight:600;border:0;cursor:pointer;font-size:1rem}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--fg)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}.card h3{margin:0 0 6px}.card p{color:var(--mut);margin:0 0 14px}
.tag{display:inline-block;font-size:.75rem;padding:2px 8px;border-radius:99px;background:rgba(124,92,255,.15);color:var(--acc);margin-bottom:8px;font-weight:600}
section{padding:36px 0}h2{font-size:1.6rem}
form.sub{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}form.sub input{flex:1;min-width:220px;padding:10px 14px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--fg);font-size:1rem}
pre{background:#0f1219;color:#e6e6e6;border:1px solid var(--line);border-radius:12px;padding:16px;overflow:auto;white-space:pre-wrap;font-size:.9rem;position:relative}
.copy{position:absolute;top:8px;right:8px;font-size:.8rem;padding:4px 10px}
details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:8px 0}summary{font-weight:600;cursor:pointer}
footer{border-top:1px solid var(--line);color:var(--mut);padding:28px 0;margin-top:40px;font-size:.9rem}.small{color:var(--mut);font-size:.9rem}
.price{font-size:1.4rem;font-weight:800}