/* General Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    text-align: center;
}

/* Header */
header {
    background: #007bff;
    color: white;
    padding: 40px 20px;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

header p {
    font-size: 1.2em;
    margin-bottom: 20px;
}

.back-btn {
    text-decoration: none;
    background: white;
    color: #007bff;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
    transition: 0.3s;
}

.back-btn:hover {
    background: #0056b3;
    color: white;
}

/* Gallery Grid */
.gallery {
    padding: 50px 20px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    max-width: 1000px;
    margin: 0 auto;
}

.gallery-item {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease-in-out;
}

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

/* Lightbox Effect */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    text-align: center;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.lightbox-img {
    max-width: 90%;
    max-height: 90%;
    margin: auto;
    display: block;
}

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