:root{--bg:#0b0d10;--card:#15191f;--text:#f4f6f8;--muted:#aeb7c2;--accent:#ff6a00;--line:#2a3038}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 Arial,sans-serif}a{color:var(--accent);text-decoration:none}.wrap{max-width:900px;margin:auto;padding:0 24px}.nav{display:flex;justify-content:space-between;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}.links{display:flex;gap:18px}.hero{padding:76px 0 50px}h1{font-size:clamp(40px,7vw,70px);line-height:1.05;margin:12px 0 18px}.lead,.muted{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:15px 0 60px}.card,.box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}.section{padding:44px 0;border-top:1px solid var(--line)}footer{margin-top:45px;padding:28px 0;border-top:1px solid var(--line);color:var(--muted)}@media(max-width:720px){.grid{grid-template-columns:1fr}.nav{flex-direction:column}.links{flex-wrap:wrap}}