body {font-family: Arial; margin:0; background:#f4f8fb;}
header {background:#0b2c5f; color:white; padding:15px; display:flex; align-items:center;}
header img {height:50px; margin-right:10px;}
nav {margin-left:auto;}
nav a {color:white; margin:0 10px; text-decoration:none;}
.hero {background:#0b2c5f; color:white; text-align:center; padding:80px 20px;}
.section {padding:40px; text-align:center;}
footer {background:#0b2c5f; color:white; text-align:center; padding:20px;}
.btn {background:#3cb043; color:white; padding:10px 20px; text-decoration:none; border-radius:5px;}