body{font-family:Arial;margin:0;background:#f5f5f5;color:#333;}
.container{max-width:1100px;margin:auto;padding:40px 20px;}
.nav{display:flex;justify-content:space-between;align-items:center;}
.logo{height:70px;}
nav a{margin-left:20px;text-decoration:none;font-weight:bold;color:#333;}
.hero{background:#1f8fb8;color:white;padding:100px 20px;text-align:center;}
.cta{background:white;color:#1f8fb8;padding:14px 28px;text-decoration:none;font-weight:bold;border-radius:4px;display:inline-block;margin-top:20px;}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:30px;}
.card{background:white;padding:20px;border-radius:6px;box-shadow:0 2px 6px rgba(0,0,0,0.1);}
.dark{background:#222;color:white;}
.features li{margin-bottom:10px;}
.center{text-align:center;}
form{max-width:600px;display:flex;flex-direction:column;}
input,textarea{margin-bottom:15px;padding:10px;border-radius:4px;border:1px solid #ccc;}
button{background:#1f8fb8;color:white;padding:14px;border:none;font-size:16px;cursor:pointer;border-radius:4px;}
footer{text-align:center;padding:30px;background:#111;color:white;}