*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif}body{background:radial-gradient(circle at top,#0f0f1c,#000);color:#fff;overflow-x:hidden}.parallax{height:100vh;perspective:1000px;display:flex;align-items:center;justify-content:center}.holo-card{width:320px;height:420px;border-radius:20px;padding:2rem;background:linear-gradient(135deg,#1f1f3a,#111);position:relative;transform-style:preserve-3d;transition:.3s;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1)}.holo-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:20px;background:linear-gradient(45deg,#f0f,#0ff,#f0f);background-size:300% 300%;opacity:.2;animation:hologlow 6s infinite linear}@keyframes hologlow{0%{background-position:0%}to{background-position:300%}}button{margin-top:2rem;padding:12px 25px;border-radius:30px;border:none;background:linear-gradient(90deg,#f0f,#0ff);color:#000;font-weight:700;cursor:pointer}