html,body{margin:0;padding:0;height:100%;font-family:Arial;color:white;}
.video-bg{position:fixed;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:-2;}
.overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.35);z-index:-1;}
header{padding:20px;text-align:center;background:rgba(0,0,0,0.5);}
nav a{color:white;margin:0 15px;text-decoration:none;font-size:22px;}
.container{max-width:900px;margin:80px auto;padding:30px;background:rgba(0,0,0,0.45);border-radius:15px;}
.logo{width:180px;}
label{display:block;margin-top:10px;}
input,textarea{width:100%;padding:10px;border-radius:8px;border:none;margin-top:5px;}
button{margin-top:15px;padding:12px 20px;border:none;border-radius:10px;background:#00aaff;color:white;font-size:18px;cursor:pointer;}