.gallery{
    max-width:1200px;
    margin:50px auto;
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:20px;
    padding:0 15px;
}

.gallery img{
    width:100%;
    height:250px;
    object-fit:cover;
    border-radius:10px;
    cursor:pointer;
    transition:.3s;
}

.gallery img:hover{
    transform:scale(1.03);
}

.popup{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.92);
    display:flex;
    justify-content:center;
    align-items:center;
    opacity:0;
    visibility:hidden;
    transition:.3s;
    z-index:9999;
}

.popup.active{
    opacity:1;
    visibility:visible;
}

.popup img{
    max-width:90%;
    max-height:90vh;
    border-radius:10px;
    transform:scale(.8);
    transition:.3s;
}

.popup.active img{
    transform:scale(1);
}

.close{
    position:absolute;
    top:20px;
    right:30px;
    color:#fff;
    font-size:40px;
    cursor:pointer;
    line-height:1;
}