:root{color-scheme:dark;--bg:#07100f;--fg:#f4f8f7;--muted:#a5bab4;--accent:#2ce2b5}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 70% 0,#103c30,transparent 55%),var(--bg);color:var(--fg);font:17px/1.65 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}header,main,footer{max-width:1050px;margin:auto;padding:26px}header{display:flex;justify-content:space-between;align-items:center}a{color:var(--accent);text-underline-offset:4px}nav{display:flex;gap:24px}.brand{font-weight:800;font-size:24px;text-decoration:none}.hero{padding:60px 0 45px;max-width:770px}h1{font-size:clamp(36px,6vw,65px);line-height:1.06;letter-spacing:-2px;margin:18px 0 24px}h2{font-size:26px;line-height:1.3;margin-top:36px}.lead{font-size:22px;color:var(--muted);max-width:650px}.eyebrow{color:var(--accent);letter-spacing:2px;text-transform:uppercase;font-size:12px;font-weight:800}.button{display:inline-block;border-radius:16px;background:var(--accent);padding:14px 23px;color:#03261e;text-decoration:none;font-weight:750}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:25px;background:#14211e;border:1px solid #27413a;border-radius:20px}.card h2{margin-top:0;font-size:22px}.card p,footer{color:var(--muted)}article{max-width:780px}article h1{font-size:42px}article p,article li{color:#d0dfda}footer{border-top:1px solid #244035;margin-top:55px;font-size:14px}small{display:block;margin-top:14px;color:var(--muted)}@media(max-width:640px){header,main,footer{padding:20px}.cards{grid-template-columns:1fr}.hero{padding-top:25px}nav{gap:12px;font-size:14px}}