body{margin:0;background:#0d0d0d;font-family:Arial,sans-serif}
.gallery{column-count:5;column-gap:18px;padding:20px;max-width:1700px;margin:auto}
.card{break-inside:avoid;margin-bottom:18px;border-radius:18px;overflow:hidden;background:#1b1b1b;
box-shadow:0 10px 25px rgba(0,0,0,.35);transition:.3s}
.card:hover{transform:translateY(-5px)}
video{width:100%;display:block}
@media(max-width:1200px){.gallery{column-count:3}}
@media(max-width:768px){.gallery{column-count:2;padding:12px;column-gap:12px}.card{margin-bottom:12px}}