/* ========================================
   CREATIVE GALLERY PAGE STYLES
   ======================================== */

/* Gallery Hero Section */
.gallery-hero {
    position: relative;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    padding: 6rem 0 4rem;
    text-align: center;
    color: #fff;
    overflow: hidden;
}

.gallery-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(78, 205, 196, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 107, 0.15) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

.gallery-hero-content {
    position: relative;
    z-index: 2;
}

.gallery-hero h1 {
    font-size: 3.5rem;
    font-family: 'Playfair Display', serif;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.gallery-hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.gallery-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #4ecdc4;
    font-family: 'Playfair Display', serif;
}

.stat-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

.gallery-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    margin-top: 1rem;
    animation: fadeInUp 0.8s ease 0.6s both;
}

/* Filters Section */
.gallery-filters {
    background: #f8f9fa;
    padding: 2rem 0;
    position: sticky;
    top: 70px;
    z-index: 100;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.filters-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 1.8rem;
    background: #fff;
    border: 2px solid #e9ecef;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(78, 205, 196, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.filter-btn:hover::before {
    width: 300px;
    height: 300px;
}

.filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.filter-btn.active {
    background: linear-gradient(135deg, #4ecdc4 0%, #45b7aa 100%);
    color: #fff;
    border-color: #4ecdc4;
    box-shadow: 0 5px 20px rgba(78, 205, 196, 0.3);
}

.filter-icon {
    font-size: 1.1rem;
}

.filter-count {
    background: rgba(0, 0, 0, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.85rem;
    min-width: 25px;
    text-align: center;
}

.filter-btn.active .filter-count {
    background: rgba(255, 255, 255, 0.3);
}

/* Gallery Grid - Masonry Layout */
.gallery-section {
    padding: 4rem 0;
    background: #fff;
}

.gallery-grid {
    column-count: 3;
    column-gap: 25px;
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: 25px;
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.gallery-item:nth-child(1) {
    animation-delay: 0.1s;
}

.gallery-item:nth-child(2) {
    animation-delay: 0.2s;
}

.gallery-item:nth-child(3) {
    animation-delay: 0.3s;
}

.gallery-item:nth-child(4) {
    animation-delay: 0.4s;
}

.gallery-item:nth-child(5) {
    animation-delay: 0.5s;
}

.gallery-item:nth-child(6) {
    animation-delay: 0.6s;
}

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

.gallery-item img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
    border-radius: 15px;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

/* Gallery Overlay */
.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom,
            rgba(0, 0, 0, 0) 0%,
            rgba(0, 0, 0, 0.7) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    border-radius: 15px;
}

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

.gallery-title {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

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

.gallery-category {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(78, 205, 196, 0.9);
    color: #fff;
    font-size: 0.75rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    transform: translateY(20px);
    transition: transform 0.3s ease 0.1s;
}

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

.zoom-icon {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s ease;
}

.gallery-item:hover .zoom-icon {
    opacity: 1;
    transform: scale(1);
}

.zoom-icon i {
    color: #1a1a2e;
    font-size: 1.2rem;
}

/* Category Colors */
.gallery-category.conferences {
    background: rgba(78, 205, 196, 0.9);
}

.gallery-category.ateliers {
    background: rgba(255, 107, 107, 0.9);
}

.gallery-category.stands {
    background: rgba(255, 217, 61, 0.9);
    color: #333;
}

.gallery-category.invites {
    background: rgba(108, 92, 231, 0.9);
}

.gallery-category.ambiance {
    background: rgba(0, 184, 148, 0.9);
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.lightbox-modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    animation: zoomIn 0.3s ease;
}

.lightbox-image {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
    position: absolute;
    bottom: -60px;
    left: 0;
    right: 0;
    text-align: center;
    color: #fff;
    padding: 1rem;
}

.lightbox-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.lightbox-category {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(78, 205, 196, 0.9);
    border-radius: 20px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Lightbox Controls */
.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10000;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.lightbox-close i {
    color: #fff;
    font-size: 1.5rem;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-nav i {
    color: #fff;
    font-size: 1.5rem;
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

.lightbox-counter {
    position: absolute;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    color: #fff;
    font-weight: 600;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    display: none;
}

.empty-state.active {
    display: block;
}

.empty-state-icon {
    font-size: 4rem;
    color: #e9ecef;
    margin-bottom: 1rem;
}

.empty-state-text {
    color: #999;
    font-size: 1.2rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

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

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 992px) {
    .gallery-grid {
        column-count: 2;
        column-gap: 20px;
    }

    .gallery-hero h1 {
        font-size: 2.5rem;
    }

    .gallery-stats {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .gallery-grid {
        column-count: 1;
    }

    .filters-container {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-btn {
        width: 100%;
        justify-content: center;
    }

    .gallery-hero h1 {
        font-size: 2rem;
    }

    .gallery-hero p {
        font-size: 1.1rem;
    }

    .gallery-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .lightbox-nav {
        width: 40px;
        height: 40px;
    }

    .lightbox-prev {
        left: 1rem;
    }

    .lightbox-next {
        right: 1rem;
    }

    .lightbox-close {
        top: 1rem;
        right: 1rem;
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 576px) {
    .gallery-hero {
        padding: 4rem 0 3rem;
    }

    .gallery-section {
        padding: 3rem 0;
    }

    .lightbox-caption {
        bottom: -80px;
    }
}