body{margin:0;font-family:Arial;background:#f5f5f5;color:#333;}
header{background:#111;color:#fff;padding:20px;display:flex;justify-content:space-between;align-items:center;}
nav a{color:white;margin-left:15px;text-decoration:none;font-weight:bold;}
.hero{padding:80px 20px;text-align:center;background:#1e88e5;color:white;}
.btn{display:inline-block;margin-top:20px;padding:10px 20px;background:white;color:#1e88e5;text-decoration:none;font-weight:bold;border-radius:5px;}
.content{padding:40px 20px;max-width:900px;margin:auto;}
.testimonial{text-align:center;padding:40px;background:#ddd;font-style:italic;}
footer{text-align:center;padding:20px;background:#111;color:white;margin-top:40px;}