body{margin:0;font-family:Arial;line-height:1.6}
header{background:#0a1a2f;color:#fff}
nav a{color:#fff;margin:0 10px;text-decoration:none}
.container{width:90%;max-width:1100px;margin:auto}
.hero{background:url('../images/banner.svg');padding:5rem 0;color:white;text-align:center}
.section{padding:3rem 0}
.alt{background:#f4f6f8}
footer{background:#0a1a2f;color:#fff;text-align:center;padding:1rem}
.card{background:white;padding:1rem;margin:1rem 0;border-left:4px solid #0a1a2f}
form input, form textarea{width:100%;padding:8px;margin:6px 0}
form button{background:#0a1a2f;color:white;padding:10px;border:none}