body{margin:0;font-family:Arial;background:#f6fff6;color:#003300;}
header{background:#008000;color:white;padding:20px;text-align:center;}
nav{background:white;border-bottom:3px solid #008000;padding:15px;text-align:center;}
nav a{margin:0 12px;font-weight:bold;color:#008000;text-decoration:none;}
.hero{background:#008000;color:white;padding:80px 20px;text-align:center;font-size:2em;animation:fadeIn 1.5s;}
section{padding:40px;max-width:900px;margin:auto;}
footer{background:#008000;color:white;text-align:center;padding:15px;margin-top:30px;}
.btn{background:#008000;color:white;padding:12px 20px;border-radius:5px;text-decoration:none;display:inline-block;margin-top:20px;transition:0.3s;}
.btn:hover{background:#005500;transform:scale(1.05);}

.fade-in{animation:fadeIn 1.5s ease;}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}