body {
    background-image: url('../media/default_page_media/slideshow3.webp');
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}


.page-header {
    background-image: url('../media/default_page_media/slideshow3.webp');
    background-size: 100%;
    background-position: center;
    background-attachment: fixed;
    padding: 200px 0;
    text-align: center;
    color: var(--white);
    position: relative;
}


.page-header.zoom-active {
    animation: slowZoomBackground 5s ease-out forwards;
}

@keyframes slowZoomBackground {
    0% {
        background-size: 100%;
    }
    100% {
        background-size: 115%;
    }
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateY(80px) scale(0.9);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: 0.3s;
}

.page-header p {
    font-size: 1.2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1.4s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: 0.8s;
}

.page-header h1.revealed {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.page-header p.revealed {
    opacity: 1;
    transform: translateY(0);
}

.content-section {
    padding: 60px 0;
    background-color: var(--white);
}

.intro-text {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
}


.gallery-categories-section {
    padding: 40px 0 20px;
    background-color: var(--off-white);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 12px 30px;
    background-color: var(--white);
    color: var(--text-dark);
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.category-tab.revealed {
    opacity: 1;
    transform: translateY(0);
}

.category-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.category-tab.active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}


.gallery-grid-section {
    padding: 60px 0 80px;
    background-color: var(--off-white);
}

.gallery-grid {
    display: flex;
    flex-direction: column;
    gap: 60px;
    margin-top: 40px;
}


.academic-year-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 3px solid var(--primary-color);
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease, display 0s;
    display: flex; 
    flex-direction: column;
}

.academic-year-card.revealed {
    opacity: 1;
    transform: translateY(0);
}


.academic-year-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--accent-color);
    opacity: 0;
    transform: translateX(-80px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.academic-year-header.revealed {
    opacity: 1;
    transform: translateX(0);
}

.academic-year-header h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    font-weight: 700;
    margin: 0;
}


.term-header {
    padding: 20px 0 15px;
    margin-top: 30px;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--gray-light);
}

.term-header:first-of-type {
    margin-top: 0;
}

.term-header h3 {
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: 600;
    margin: 0;
    padding-left: 10px;
}


.term-events-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 30px;
}

.term-events-grid:last-child {
    margin-bottom: 0;
}


.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    height: 380px;
}

.gallery-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item.hidden {
    display: none;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%; 
    object-fit: cover;
    display: block;
    transition: var(--transition);
    position: absolute;
    top: 0;
    left: 0;
}

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

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    color: var(--white);
    padding: 30px 20px 20px;
    transform: translateY(0);
    transition: var(--transition);
    
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    z-index: 2; 
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
    background: linear-gradient(to top, rgba(0,0,0,1), rgba(0,0,0,0.3));
}

.gallery-overlay h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    line-height: 1.3;
    
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gallery-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin: 0;
    
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gallery-overlay .image-count {
    font-size: 0.85rem;
    margin-top: 5px;
    color: var(--white);
    font-weight: 600;
}


.intro-text p {
    opacity: 0;
    transform: translateX(80px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.intro-text p.revealed {
    opacity: 1;
    transform: translateX(0);
}


@media (max-width: 1024px) {
    .term-events-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .academic-year-header h2 {
        font-size: 1.8rem;
    }
    
    .term-header h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    .term-events-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .academic-year-card {
        padding: 25px;
    }
    
    .academic-year-header h2 {
        font-size: 1.5rem;
    }
    
    .term-header h3 {
        font-size: 1.2rem;
    }
    
    
    .gallery-item {
        height: 350px;
    }
    
    
    .gallery-item img {
        height: 100%;
    }
    
    .page-header {
        background-size: auto 100%;
        background-position: center center;
        padding: 150px 0;
        animation: none; 
    }
    
    .category-tabs {
        gap: 10px;
    }

    .category-tab {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .page-header p {
        font-size: 1rem;
    }
}