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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f4;
    color: #333;
}

header.gallery-header {
    text-align: center;
    padding: 50px 0;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
}

header.gallery-header h1 {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 10px;
}

header.gallery-header p {
    font-size: 16px;
    color: #777;
}

/* Kategori Filter */
.category-container {
  margin-top: 50px;
    text-align: center;
    margin-bottom: 10px;
}

.category-btn {
    cursor: pointer;
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 30px;
    margin: 5px;
    transition: background-color 0.3s ease;
    font-size: 14px;
    text-transform: uppercase;
}

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

.category-btn.active {
    background-color: #004080;
}

/* Gallery Container */
.gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto 40px auto;
    padding: 0 20px;
}

/* Gallery Items */
.gallery-item {
    position: relative;
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

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

/* Load More Button */
.load-more-container {
    text-align: center;
    margin-bottom: 50px;
}

.load-more-btn {
    padding: 10px 30px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.load-more-btn:hover {
    background-color: #0056b3;
}

.gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto 40px auto;
    padding: 0 20px;
}

.gallery-item video {
    width: 100%;
    height: auto;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

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

/* Media Queries */
@media (max-width: 768px) {
    header.gallery-header h1 {
        font-size: 28px;
    }

    header.gallery-header p {
        font-size: 14px;
    }

    .category-btn {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    header.gallery-header h1 {
        font-size: 24px;
    }

    .gallery-container {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}