*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, sans-serif;
}

body{
    background:#f4f4f4;
    text-align:center;
    padding:20px;
}

h1{
    margin-bottom:20px;
    color:#333;
}

.filters{
    margin-bottom:25px;
}

.filters button{
    padding:10px 20px;
    margin:5px;
    border:none;
    border-radius:5px;
    background:#007bff;
    color:white;
    cursor:pointer;
    font-size:16px;
    transition:0.3s;
}

.filters button:hover{
    background:#0056b3;
}

.gallery{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:20px;
    max-width:1200px;
    margin:auto;
}

.gallery-item{
    width:100%;
    height:250px;
    object-fit:cover;
    border-radius:10px;
    cursor:pointer;
    transition:transform 0.3s ease;
}

.gallery-item:hover{
    transform:scale(1.05);
}

/* Lightbox */

#lightbox{
    display:none;
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,0.9);
    justify-content:center;
    align-items:center;
    z-index:1000;
}

#lightbox-img{
    max-width:80%;
    max-height:80%;
    border-radius:10px;
}

.close{
    position:absolute;
    top:20px;
    right:30px;
    font-size:40px;
    color:white;
    cursor:pointer;
}

.prev,
.next{
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    background:rgba(255,255,255,0.3);
    border:none;
    color:white;
    font-size:30px;
    padding:10px 15px;
    cursor:pointer;
    border-radius:5px;
}

.prev{
    left:20px;
}

.next{
    right:20px;
}

.prev:hover,
.next:hover{
    background:rgba(255,255,255,0.6);
}