body{margin:0;font-family:sans-serif;background:#0b0f1a;color:#fff}
header{display:flex;justify-content:space-between;padding:20px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:15px;padding:20px}
.card{position:relative;border-radius:15px;overflow:hidden;cursor:pointer;transition:.3s}
.card:hover{transform:scale(1.03)}
.card.selected{outline:3px solid #4ade80}
.card img{width:100%}
.overlay{position:absolute;bottom:10px;left:10px;background:rgba(0,0,0,.6);padding:5px 10px;border-radius:5px}
.cart{position:fixed;top:20px;right:20px;background:#4ade80;padding:10px 16px;border-radius:20px;font-weight:bold}
.cta{position:fixed;bottom:20px;right:20px;padding:15px 25px;background:#4ade80;border:none;border-radius:30px;font-size:16px;cursor:pointer}