.gallery-card {
    aspect-ratio:1/1;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:14px;
    overflow:hidden;
    box-shadow:0 8px 20px rgba(0,0,0,0.15);
    cursor:pointer;
    background:#fff;
    padding:10px;
    transition:0.3s;
}
.gallery-card:hover { transform:translateY(-6px); }
.gallery-card img {
    max-width:100%;
    max-height:100%;
    object-fit:contain;
}

/* LIGHTBOX */
.lightbox {
    display:none;
    position:fixed;
    z-index:9999;
    left:0; top:0;
    width:100%; height:100%;
    background:rgba(0,0,0,0.95);
    justify-content:center;
    align-items:center;
}
.lightbox img {
    max-width:85%;
    max-height:80vh;
    border-radius:10px;
    box-shadow:0 0 25px rgba(255,255,255,0.2);
    animation:zoomIn 0.3s ease;
}
.close {
    position:absolute;
    top:20px;
    right:35px;
    font-size:40px;
    color:#fff;
    cursor:pointer;
}
.prev, .next {
    cursor:pointer;
    position:absolute;
    top:50%;
    font-size:50px;
    color:white;
    padding:16px;
    margin-top:-50px;
    user-select:none;
}
.prev { left:20px; }
.next { right:20px; }

@keyframes zoomIn {
    from {transform:scale(0.7);}
    to {transform:scale(1);}
}