body{font-family:sans-serif;background:#111;color:white;margin:0;padding:0;}
h2{text-align:center;padding:20px;}
.promo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;padding:20px;}
.promo-card img{width:100%;border-radius:10px;cursor:pointer;transition:0.3s;}
.promo-card img:hover{transform:scale(1.05);}
.modal{display:none;position:fixed;z-index:10;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,.85);}
.modal-content{background:#222;margin:10% auto;padding:20px;border-radius:10px;width:80%;max-width:400px;text-align:center;}
.modal-content img{width:100%;border-radius:10px;margin-bottom:15px;}
.close{float:right;font-size:28px;cursor:pointer;color:#fff;}
.open-btn{display:block;background:#ff4444;color:white;text-decoration:none;padding:10px;border-radius:8px;margin-top:10px;}