:root{
  --bg:#071921;
  --accent:#ffcc00;
  --card:#0f2a2c;
  --text:#ffffff;
  --muted:#9fb3b6;
}
*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,'Segoe UI',Roboto,Arial;}
body{background:linear-gradient(180deg,#071921 0%,#041416 100%);color:var(--text);line-height:1.6;}
.container{max-width:1100px;margin:0 auto;padding:24px;}
.section{margin-bottom:64px;}
.section h2{font-size:26px;margin-bottom:16px;color:var(--accent);}
.section p{color:var(--muted);margin-bottom:12px;}
.banner{width:100%;border-radius:14px;margin:24px 0;}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;}
.card{background:var(--card);padding:16px;border-radius:12px;border:1px solid rgba(255,255,255,0.05);}
.card h3{margin-bottom:8px;color:var(--accent);}
.btn{display:inline-block;background:var(--accent);color:#071921;padding:12px 20px;border-radius:8px;font-weight:700;text-decoration:none;transition:all .2s;}
.btn:hover{background:#ffd633;}
@media(max-width:700px){.container{padding:16px;}}