:root{--bg:#12131a;--card:#1c1e29;--tx:#eef0f5;--mu:#aab0c0;--r:#ff595e;--y:#ffca3a;--g:#8ac926;--b:#1982c4;--p:#6a4c93}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--tx);font:17px/1.65 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
.wrap{max-width:1400px;margin:0 auto;padding:0 24px}img{max-width:100%;height:auto;border-radius:12px;background:var(--card)}
a{color:var(--y)}a:hover{color:#fff}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--b);outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;color:#000;padding:8px;z-index:9}
.site-header{background:#0c0d12;border-bottom:3px solid var(--r);position:sticky;top:0;z-index:5}.bar{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;text-decoration:none}.menu{display:flex;gap:18px;align-items:center}.menu a{color:var(--tx);text-decoration:none}.menu a:hover{color:var(--y)}
.btn{display:inline-block;background:var(--r);color:#fff!important;padding:10px 20px;border-radius:8px;border:0;font:inherit;font-weight:600;text-decoration:none;cursor:pointer}.btn:hover{background:#e0464b}
.burger{display:none;background:none;border:1px solid var(--mu);color:#fff;font-size:22px;border-radius:8px;padding:4px 12px}
h1{font-size:clamp(1.7rem,4vw,2.6rem);line-height:1.2;margin:.6em 0}h2{margin-top:0;border-left:5px solid var(--g);padding-left:12px}
.block{margin:2em 0}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.card{background:var(--card);padding:18px;border-radius:12px;border-top:4px solid var(--b)}.card h3{margin-top:0}
.hero{background:linear-gradient(135deg,var(--p),var(--card));padding:28px;border-radius:16px}.meta,.crumbs{color:var(--mu);font-size:.9rem}.crumbs a{color:var(--mu)}
.cta{background:var(--card);border:2px solid var(--y);padding:24px;border-radius:14px;margin:2.5em 0;text-align:center}.toc{background:var(--card);padding:14px 20px;border-radius:10px}
details{background:var(--card);margin:8px 0;padding:12px 16px;border-radius:8px}summary{cursor:pointer;font-weight:600}
label{display:block;margin:12px 0 4px}input,textarea{width:100%;max-width:560px;padding:10px;border-radius:8px;border:1px solid var(--mu);background:#0c0d12;color:#fff;font:inherit}.chk{display:flex;gap:8px}.chk input{width:auto}
.site-footer{background:#0c0d12;border-top:3px solid var(--b);padding:28px 0;margin-top:3em}.cols{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.site-footer nav{display:flex;flex-direction:column;gap:6px}.site-footer a{color:var(--mu)}
@media(max-width:860px){.burger{display:block}.menu{display:none;position:absolute;top:68px;left:0;right:0;background:#0c0d12;flex-direction:column;padding:16px;align-items:flex-start}.menu.open{display:flex}}