*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Arial,Helvetica,sans-serif;color:#1F2937;line-height:1.6}
header{display:flex;justify-content:space-between;align-items:center;padding:15px 60px;border-bottom:1px solid #e5e7eb}
header img{height:50px}
nav a{margin-left:25px;text-decoration:none;color:#1F2937;font-weight:600}
.hero{background:#2F6FDB;color:#fff;padding:90px 60px}
.hero h1{font-size:40px}
.hero p{font-size:18px;margin:20px 0}
.btn{background:#fff;color:#2F6FDB;padding:14px 30px;border-radius:6px;font-weight:bold;text-decoration:none}
.section{padding:70px 60px}
.section h2{font-size:32px;margin-bottom:40px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:25px}
.card{background:#f3f4f6;padding:30px;border-radius:8px}
footer{background:#1F2937;color:#fff;text-align:center;padding:25px;margin-top:60px}