/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* BODY */
body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to bottom, black, #999);
    color: white;
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 15px 0;
    border-bottom: 1px solid white;
}

.navbar li {
    margin: 0 15px;
}

.navbar a {
    text-decoration: none;
    color: white;
}

/* TITLE */
.gallery-title {
    text-align: center;
    margin: 30px 0;
}

/* GRID */
.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 20px;
}

/* IMAGE */
.gallery-item img {
    width: 100%;
    display: block;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    display: block;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.gallery-item img:hover {
    transform: scale(1.1);
}

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

#lightbox img {
    max-width: 90%;
    max-height: 80%;
}

/* 📱 MOBILE */
@media (max-width: 768px) {
    .gallery {
        grid-template-columns: 1fr;
    }
}
/* LIGHTBOX */
#lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    display: none;
    justify-content: center;
    align-items: center;
}

/* IMAGE */
#lightbox img {
    max-width: 80%;
    max-height: 80%;
}

/* ARROWS */
#prev, #next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 40px;
    color: white;
    cursor: pointer;
    padding: 20px;
    user-select: none;
}

#prev {
    left: 20px;
}

#next {
    right: 20px;
}