:root{--primary:#0A73FF;--accent:#28A745;--bg:#0B1220;--text:#E9EEF5}body{margin:0;font-family:Arial;background:var(--bg);color:var(--text)}.container{width:min(1100px,92vw);margin:auto}.btn{display:inline-block;padding:10px 14px;border-radius:8px;background:var(--primary);color:#fff;text-decoration:none;margin-right:8px}.phone-btn{background:var(--accent)}.header{position:sticky;top:0;background:rgba(11,18,32,.7);padding:10px}.menu a{color:#dbe7ff;margin-left:12px}.reveal{opacity:1}