body{background:#050512;color:white;text-align:center;font-family:Arial}
.store{display:flex;gap:20px;justify-content:center}
.card{padding:25px;background:rgba(255,255,255,.1);border-radius:15px;box-shadow:0 0 30px cyan}
canvas{position:fixed;top:0;left:0;z-index:-1}