/* Gallery Page Styles */
:root {
    --primary-color: #f5a623;
    --primary-dark: #e09213;
    --secondary-color: #3f4b5b;
    --secondary-dark: #1e2a3a;
    --light-bg: #f9f9f9;
    --white: #ffffff;
    --text-dark: #333333;
    --text-medium: #666666;
    --text-light: #999999;
    --shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 15px 30px rgba(0, 0, 0, 0.1);
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shine {
    0% {
        background-position: -100px;
    }
    40%, 100% {
        background-position: 400px;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(245, 166, 35, 0.4);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(245, 166, 35, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(245, 166, 35, 0);
    }
}

/* Page Banner */
.page-banner {
    position: relative;
    height: 350px;
    background: linear-gradient(135deg, rgba(63, 75, 91, 0.9) 0%, rgba(30, 42, 58, 0.9) 100%), url('school-banner.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('pattern.svg');
    opacity: 0.05;
    animation: fadeIn 1.5s ease-out;
}

.banner-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1.2s ease-out;
}

.page-banner h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    position: relative;
}

.page-banner h1::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.breadcrumbs {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumbs a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
    color: var(--primary-color);
}

/* Section Styles */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    margin-bottom: 50px;
    position: relative;
}

.section-title.center {
    text-align: center;
}

.section-title .subtitle {
    display: inline-block;
    padding: 5px 15px;
    background-color: rgba(245, 166, 35, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 15px;
    position: relative;
    animation: fadeInUp 0.8s ease both;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin: 0;
    position: relative;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.section-title h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: 20px auto 0;
    border-radius: 2px;
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-medium);
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
    animation: fadeInUp 0.8s ease 0.4s both;
}

/* Gallery Intro Section */
.gallery-intro {
    background-color: var(--white);
}

/* Gallery Category Tabs */
.category-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.category-tab {
    padding: 12px 25px;
    background-color: var(--light-bg);
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    color: var(--text-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.category-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: var(--primary-color);
    transition: width var(--transition-fast);
    z-index: -1;
}

.category-tab:hover::before,
.category-tab.active::before {
    width: 100%;
}

.category-tab:hover,
.category-tab.active {
    color: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    animation: fadeInUp 0.8s ease 0.5s both;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    height: 250px;
    transform-origin: center;
    transition: all var(--transition-medium);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: calc(0.1s * var(--item-index, 1));
}

.gallery-item:nth-child(1) { --item-index: 1; }
.gallery-item:nth-child(2) { --item-index: 2; }
.gallery-item:nth-child(3) { --item-index: 3; }
.gallery-item:nth-child(4) { --item-index: 4; }
.gallery-item:nth-child(5) { --item-index: 5; }
.gallery-item:nth-child(6) { --item-index: 6; }
.gallery-item:nth-child(7) { --item-index: 7; }
.gallery-item:nth-child(8) { --item-index: 8; }

.gallery-item:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    pointer-events: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    transform: translateY(100%);
    transition: transform var(--transition-fast);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    margin: 0 0 10px;
    font-size: 1.3rem;
    font-weight: 600;
}

.gallery-overlay p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 3rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lightbox-close:hover {
    transform: rotate(90deg);
    color: var(--primary-color);
}

.lightbox-image {
    max-width: 90%;
    max-height: 80vh;
    border-radius: 10px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: scale(0.9);
    transition: all var(--transition-medium);
    position: relative;
    z-index: 1;
}

.lightbox.active .lightbox-image {
    opacity: 1;
    transform: scale(1);
}

.lightbox-caption {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    text-align: center;
    max-width: 80%;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.lightbox.active .lightbox-caption {
    opacity: 1;
}

.lightbox-navigation {
    position: absolute;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 50px;
    z-index: 10;
}

.lightbox-nav-btn {
    color: white;
    font-size: 2rem;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.lightbox-nav-btn:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}

/* Filtering Animation */
.gallery-item {
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.gallery-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

/* Image Loading Animation */
.gallery-item {
    position: relative;
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(245, 166, 35, 0.1), rgba(63, 75, 91, 0.1));
    z-index: 2;
    pointer-events: none;
}

.gallery-item.loading::before {
    opacity: 1;
}

/* Empty State */
.gallery-empty {
    grid-column: 1 / -1;
    padding: 60px 0;
    text-align: center;
    background: var(--light-bg);
    border-radius: 15px;
    border: 2px dashed rgba(245, 166, 35, 0.3);
    display: none;
}

.gallery-empty.visible {
    display: block;
    animation: fadeInUp 0.5s ease;
}

.gallery-empty i {
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.5;
    margin-bottom: 20px;
}

.gallery-empty h3 {
    font-size: 1.6rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.gallery-empty p {
    color: var(--text-medium);
}

/* Responsive Adjustments */
@media (max-width: 991px) {
    .section-title h2 {
        font-size: 2.2rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .gallery-item {
        height: 220px;
    }
}

@media (max-width: 767px) {
    .page-banner {
        height: 250px;
    }
    
    .page-banner h1 {
        font-size: 2.8rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .intro-text {
        font-size: 1rem;
    }
    
    .category-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .category-tab {
        width: 100%;
        max-width: 300px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 20px;
    }
    
    .gallery-item {
        height: 200px;
    }
    
    .gallery-overlay h3 {
        font-size: 1.1rem;
    }
    
    .gallery-overlay p {
        font-size: 0.8rem;
    }
    
    .lightbox-navigation {
        padding: 0 20px;
    }
}

@media (max-width: 480px) {
    .page-banner h1 {
        font-size: 2.2rem;
    }
    
    .section-title h2 {
        font-size: 1.7rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item {
        height: 220px;
    }
    
    .lightbox-nav-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
}

/* Category grid styles */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.category-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    text-decoration: none;
    display: block;
    background-color: #fff;
    height: 250px;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.category-image {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.category-card:hover .category-image img {
    transform: scale(1.1);
}

.category-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 100%);
    padding: 30px 20px 20px;
    color: #fff;
    transition: all 0.3s ease;
}

.category-overlay h3 {
    font-size: 1.5rem;
    margin: 0 0 8px;
    font-weight: 600;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.category-overlay p {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.8;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: opacity 0.3s, gap 0.3s;
}

.category-card:hover .category-overlay p {
    opacity: 1;
    gap: 10px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .category-card {
        height: 200px;
    }
    
    .category-overlay h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .category-card {
        height: 180px;
    }
}

/* Animation for category cards */
.category-card {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.category-card:nth-child(1) { animation-delay: 0.1s; }
.category-card:nth-child(2) { animation-delay: 0.2s; }
.category-card:nth-child(3) { animation-delay: 0.3s; }
.category-card:nth-child(4) { animation-delay: 0.4s; }
.category-card:nth-child(5) { animation-delay: 0.5s; }
.category-card:nth-child(6) { animation-delay: 0.6s; }
.category-card:nth-child(7) { animation-delay: 0.7s; }

/* Back to gallery link */
.back-to-gallery {
    text-align: center;
    margin: 20px 0 0;
}

.back-to-gallery a {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color, #f5a623);
    font-weight: 500;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 50px;
    border: 2px solid var(--primary-color, #f5a623);
    transition: all 0.3s ease;
    gap: 8px;
}

.back-to-gallery a:hover {
    background-color: var(--primary-color, #f5a623);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(245, 166, 35, 0.3);
}

.back-to-gallery a i {
    transition: transform 0.3s ease;
}

.back-to-gallery a:hover i {
    transform: translateX(-3px);
}

/* Remove all the following watermark and protection related styles */
.protected-image-container,
.image-watermark,
.protected-image-container:hover .image-watermark,
.protection-message,
.protection-message i,
.protection-message h3,
.protection-message p,
.protection-message small {
    display: none !important;
}

/* Disable selection */
.gallery-grid, .lightbox {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}