/* CSS for Gallery page */

.page-header {
    background: linear-gradient(135deg, #111827 0%, #312e81 50%, #4338ca 100%);
    position: relative;
    padding: 120px 0;
}

.page-header .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

/* Category Filter Switcher Buttons */
.btn-filter {
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    color: #4b5563;
    transition: all 0.3s ease;
}

.btn-filter:hover {
    background: #e5e7eb;
    color: #1f2937;
}

.btn-filter.active {
    background: #312e81;
    border-color: #312e81;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(49, 46, 129, 0.25) !important;
}

/* Imagery Grid & Cards */
.imagery-item {
    transition: all 0.4s ease;
}

.imagery-img-container {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    height: 300px;
}

.imagery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.imagery-img-container:hover .imagery-img {
    transform: scale(1.08);
}

.imagery-img-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.imagery-img-container:hover .imagery-img-overlay {
    opacity: 1;
}