/* --- GALLERY PAGE SPECIFIC STYLES --- */

/* Filter Buttons */
.filter-buttons {
    text-align: center;
    margin-bottom: 40px;
}

.filter-btn {
    background: var(--light-color);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 10px 20px;
    margin: 5px;
    cursor: pointer;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
}

.filter-btn:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
    border-color: var(--secondary-color);
}

.filter-btn.active {
    background: var(--primary-color);
    color: var(--light-color);
    border-color: var(--primary-color);
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    /* 3 columns on large screens */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 20px;
}

.gallery-item {
    height: 250px; /* Uniform height for all images */
    background-size: cover;
    background-position: center;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s ease;
}

/* Mouse Over Zoom Effect */
.gallery-item:hover {
    transform: scale(1.03); /* Subtle lift effect */
}

/* The background-image is used, but we'll use a pseudo-element for the actual pan effect */
.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Inherit the background properties */
    background-image: inherit; 
    background-size: 110%; /* Start slightly zoomed in for better pan effect */
    background-position: center center;
    transition: background-size 5s, background-position 5s; /* Slow transition */
}

/* Hover Zoom/Pan Effect */
.gallery-item:hover::before {
    background-size: 110%; /* Zoom out slowly */
    /* Randomize the position to simulate panning slightly. Use 'bottom left' for variety */
    background-position: top center; 
    transition: background-size 5s, background-position 5s;
}


/* Modal Styles (Fullscreen Viewer) */
.gallery-modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 2000; /* Ensure it's on top of everything */
    padding-top: 50px; 
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto; 
    background-color: rgba(0, 0, 0, 0.95); 
}

.modal-content-wrapper {
    position: relative;
    margin: auto;
    width: 90%;
    height: 90vh; /* Use viewport height to maximize space */
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-image {
    max-width: 100%;
    max-height: 100%;
    display: block;
    object-fit: contain; /* Ensures the whole image is visible */
    margin: auto;
}

/* Close Button */
.close-btn {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 2001;
}

.close-btn:hover,
.close-btn:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

/* Navigation Buttons */
.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #f1f1f1;
    font-size: 40px;
    padding: 16px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.modal-nav:hover {
    opacity: 1;
}

.prev-nav {
    left: 20px;
}

.next-nav {
    right: 20px;
}

/* Media Query for smaller screens */
@media (max-width: 600px) {
    .gallery-grid {
        /* 2 columns on mobile */
        grid-template-columns: repeat(auto-fit, minmax(150px)); 
    }
    .gallery-item {
        height: 170px;
    }
    .close-btn {
        font-size: 30px;
        top: 10px;
        right: 15px;
    }
    .modal-nav {
        font-size: 30px;
        padding: 8px;
    }
    .prev-nav {
        left: 5px;
    }
    .next-nav {
        right: 5px;
    }
}