/**
 * ============================================
 * ESTILOS DE GALERÍA - VISIT XOCHIMILCO
 * ============================================
 */

/* ============================================
   HERO SECTION
   ============================================ */
.galeria-hero {
    background: linear-gradient(135deg, var(--color-principal) 0%, var(--color-secundario) 100%);
    min-height: 40vh;
}

/* ============================================
   SECCIÓN PRINCIPAL
   ============================================ */
.galeria-section {
    padding: 4rem 0;
    background: var(--color-fondo);
}

/* ============================================
   FILTROS DE CATEGORÍA
   ============================================ */
.galeria-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    padding: 1.5rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-fondo);
    color: var(--color-texto);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.filter-btn:hover {
    background: var(--color-principal-claro);
    color: var(--color-principal);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--color-principal);
    color: white;
    border-color: var(--color-principal);
}

.filter-count {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* ============================================
   GRID DE FOTOS
   ============================================ */
.galeria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.galeria-item {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.galeria-item:nth-child(1) { animation-delay: 0.1s; }
.galeria-item:nth-child(2) { animation-delay: 0.2s; }
.galeria-item:nth-child(3) { animation-delay: 0.3s; }
.galeria-item:nth-child(4) { animation-delay: 0.15s; }
.galeria-item:nth-child(5) { animation-delay: 0.25s; }
.galeria-item:nth-child(6) { animation-delay: 0.35s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
    from {
        opacity: 0;
        transform: translateY(20px);
    }
}

/* ============================================
   TARJETA DE FOTO
   ============================================ */
.galeria-card {
    position: relative;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.galeria-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.galeria-image-container {
    position: relative;
    width: 100%;
    padding-bottom: 75%; /* Aspect ratio 4:3 */
    overflow: hidden;
    background: var(--color-fondo);
}

.galeria-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    cursor: pointer;
}

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

/* Overlay con información */
.galeria-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
}

.galeria-card:hover .galeria-overlay {
    opacity: 1;
}

.galeria-info {
    color: white;
}

.galeria-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.galeria-description {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.9;
    line-height: 1.4;
}

/* Botón de zoom */
.galeria-zoom-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 48px;
    height: 48px;
    background: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.8);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.galeria-card:hover .galeria-zoom-btn {
    opacity: 1;
    transform: scale(1);
}

.galeria-zoom-btn:hover {
    background: var(--color-principal);
    color: white;
    transform: scale(1.1);
}

.galeria-zoom-btn svg {
    stroke: currentColor;
}

/* Badge de categoría */
.galeria-category-badge {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-principal);
    padding: 0.4rem 0.9rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

/* ============================================
   PAGINACIÓN
   ============================================ */
.galeria-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.pagination-btn,
.pagination-number {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: white;
    color: var(--color-texto);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border: 2px solid transparent;
}

.pagination-number {
    min-width: 45px;
    justify-content: center;
}

.pagination-btn:hover,
.pagination-number:hover {
    background: var(--color-principal);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(233, 30, 99, 0.3);
}

.pagination-number.active {
    background: var(--color-principal);
    color: white;
    border-color: var(--color-principal);
}

.pagination-dots {
    padding: 0 0.5rem;
    color: var(--color-texto-secundario);
}

/* ============================================
   ESTADO VACÍO
   ============================================ */
.galeria-empty {
    text-align: center;
    padding: 5rem 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.galeria-empty svg {
    stroke: var(--color-texto-secundario);
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.galeria-empty h3 {
    font-size: 1.5rem;
    color: var(--color-texto);
    margin-bottom: 0.5rem;
}

.galeria-empty p {
    color: var(--color-texto-secundario);
    margin-bottom: 2rem;
}

/* ============================================
   LIGHTBOX MODAL
   ============================================ */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    position: relative;
    animation: lightboxZoom 0.4s ease;
}

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

#lightboxImage {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.lightbox-info {
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
    max-width: 600px;
}

.lightbox-info h3 {
    font-size: 1.3rem;
    color: var(--color-texto);
    margin-bottom: 0.5rem;
}

.lightbox-info p {
    color: var(--color-texto-secundario);
    margin: 0;
    line-height: 1.6;
}

/* Botón cerrar */
.lightbox-close {
    position: fixed;
    top: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
}

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

/* Navegación */
.lightbox-nav {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

.lightbox-nav:hover {
    background: var(--color-principal);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.lightbox-nav:disabled:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-50%);
}

/* Contador */
.lightbox-counter {
    position: absolute;
    bottom: -3rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .galeria-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .galeria-section {
        padding: 3rem 0;
    }

    .galeria-filters {
        padding: 1rem;
        gap: 0.75rem;
    }

    .filter-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .galeria-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.25rem;
    }

    .galeria-pagination {
        gap: 0.4rem;
    }

    .pagination-btn,
    .pagination-number {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .pagination-btn svg {
        width: 16px;
        height: 16px;
    }

    /* Lightbox en móvil */
    .lightbox-close {
        top: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }

    .lightbox-nav {
        width: 50px;
        height: 50px;
    }

    .lightbox-prev {
        left: 1rem;
    }

    .lightbox-next {
        right: 1rem;
    }

    #lightboxImage {
        max-height: 70vh;
    }

    .lightbox-counter {
        bottom: -2.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .galeria-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .galeria-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
        flex: 1 1 auto;
        justify-content: center;
        min-width: calc(50% - 0.5rem);
    }

    .galeria-empty {
        padding: 3rem 1.5rem;
    }

    .galeria-empty svg {
        width: 60px;
        height: 60px;
    }

    /* Ocultar descripción en móvil dentro del lightbox */
    .lightbox-info p {
        display: none;
    }
}