/* Gallery Hero Section */
.gallery-hero {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.5) 0%, rgba(118, 75, 162, 0.5) 100%),
                url('img/bg2.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    color: var(--white);
    padding: 180px 0 100px;
    text-align: center;
    margin-top: 70px;
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 1;
}

.gallery-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.gallery-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8),
                 0 0 20px rgba(0, 0, 0, 0.5),
                 0 0 40px rgba(0, 0, 0, 0.3);
    color: var(--white);
}

.gallery-subtitle {
    font-size: 1.3rem;
    opacity: 1;
    animation: fadeInUp 1s ease 0.2s both;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.8),
                 0 0 15px rgba(0, 0, 0, 0.5);
    color: var(--white);
}

/* Gallery Section */
.gallery-section {
    padding: 80px 0;
    background: var(--light-color);
}

/* Gallery Filters */
.gallery-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 12px 30px;
    border: 2px solid var(--primary-color);
    background: var(--white);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Cairo', sans-serif;
}

.filter-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow);
}

/* Gallery Grid - Masonry Style */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    grid-auto-rows: 1fr;
    align-items: stretch;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    background: var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    animation: fadeInUp 0.6s ease forwards;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.1), rgba(52, 168, 83, 0.1));
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.gallery-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

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

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--light-color);
}

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

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover::after {
    opacity: 1;
}

/* Different sizes for masonry effect - all same size for consistency */
.gallery-item.small,
.gallery-item.medium,
.gallery-item.large {
    aspect-ratio: 1;
    height: auto;
}

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

/* Load More Button */
.load-more-container {
    text-align: center;
    margin-top: 3rem;
}

.load-more-container.hidden {
    display: none;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    font-size: 3rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.lightbox-prev {
    right: 20px;
}

.lightbox-next {
    left: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 1rem;
    backdrop-filter: blur(10px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .gallery-title {
        font-size: 2.5rem;
    }

    .gallery-subtitle {
        font-size: 1.1rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }

    .gallery-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .lightbox-prev,
    .lightbox-next {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }

    .lightbox-close {
        width: 40px;
        height: 40px;
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
    }
    
    .gallery-item.small,
    .gallery-item.medium,
    .gallery-item.large {
        aspect-ratio: 1;
        height: auto;
    }
}

    .gallery-hero {
        padding: 120px 0 60px;
    }

    .gallery-title {
        font-size: 2rem;
    }
}

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

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    left: 30px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    text-decoration: none;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    background: #20BA5A;
}

.whatsapp-icon {
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.whatsapp-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--white);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--dark-color);
    color: var(--white);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-right-color: var(--dark-color);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    right: 75px;
}

@keyframes pulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(37, 211, 102, 0.6);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* Responsive WhatsApp Button */
@media (max-width: 768px) {
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 20px;
        left: 20px;
    }

    .whatsapp-icon {
        width: 30px;
        height: 30px;
    }

    .whatsapp-tooltip {
        display: none;
    }
}

@media (max-width: 480px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 15px;
        left: 15px;
    }

    .whatsapp-icon {
        width: 28px;
        height: 28px;
    }
}