body{margin:0;background:#f4f7fa;color:#18334b;font:17px/1.55 system-ui,sans-serif}header,main,footer{max-width:1050px;margin:auto;padding:25px}header{display:flex;justify-content:space-between;align-items:center}a{color:#006d9c}nav a{margin-left:18px}.hero{background:#10344f;color:white;padding:50px 28px;border-radius:20px}.hero h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.12}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:20px;margin:30px 0}.card{background:white;border:1px solid #d9e2e8;border-radius:16px;padding:24px}.price{font-size:2rem;font-weight:800}.btn{display:inline-block;background:#f5bb43;color:#17344a;text-decoration:none;padding:12px 20px;border-radius:9px;font-weight:750}.muted{color:#577085}.hero .muted{color:#d2e0e9}footer{font-size:.85rem}