:root{color-scheme:dark;--bg:#09111f;--panel:#111c2f;--text:#eff6ff;--muted:#a9b8cc;--accent:#61e6b4;--line:#263650}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% 0,#18304b 0,transparent 35%),var(--bg);color:var(--text);font:17px/1.65 system-ui,-apple-system,sans-serif}main,footer{width:min(900px,calc(100% - 36px));margin:auto}main{padding:72px 0 40px}.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem}h1{font-size:clamp(2.5rem,7vw,5rem);line-height:1.02;max-width:850px;margin:.3em 0}.lead{font-size:1.25rem;color:var(--muted);max-width:760px}section{margin:42px 0;padding:28px;border:1px solid var(--line);border-radius:18px;background:rgba(17,28,47,.76)}h2{margin-top:0}.offer{display:flex;gap:30px;align-items:center;justify-content:space-between;border-color:#41866f}.button{display:inline-block;background:var(--accent);color:#052117;text-decoration:none;font-weight:800;padding:14px 20px;border-radius:10px;white-space:nowrap}.note,footer{color:var(--muted);font-size:.9rem}a{color:var(--accent)}footer{padding:0 0 48px}@media(max-width:650px){main{padding-top:40px}.offer{display:block}.button{margin-top:14px}section{padding:21px}}