/* ============================================
   GALERÍA DE FOTOGRAFÍAS - FUNDACIÓN TIERRA DE AVES
   Sistema modular y reutilizable
   ============================================ */

/* Sección de galería */
.gallery-section {
    background: var(--color-white, #FFFFFF);
    padding: 4rem 0;
}

.gallery-section.alt-bg {
    background: var(--color-gray-light, #F8F9FA);
}

.gallery-intro {
    max-width: 900px;
    margin: 0 auto 3rem;
    text-align: center;
}

.gallery-intro-title {
    font-family: var(--font-serif, 'Playfair Display', serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary, #2C5530);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.gallery-intro-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-gray, #6B7280);
    margin-bottom: 1rem;
}

.gallery-intro-text:last-of-type {
    margin-bottom: 0;
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray, #6B7280);
    font-size: 1.125rem;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Contenedor de galerías */
.gallery-block {
    margin-bottom: 4rem;
}

.gallery-block:last-child {
    margin-bottom: 0;
}

.gallery-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.gallery-title {
    font-family: var(--font-serif, 'Playfair Display', serif);
    font-size: 2rem;
    color: var(--color-primary, #2C5530);
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.gallery-description {
    color: var(--color-gray, #6B7280);
    font-size: 1.0625rem;
    line-height: 1.7;
}

/* Grid de fotos */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Tarjeta de foto */
.photo-card {
    position: relative;
    background: var(--color-white, #FFFFFF);
    border-radius: var(--border-radius, 0.5rem);
    overflow: hidden;
    box-shadow: var(--shadow-sm, 0 2px 4px rgba(44, 85, 48, 0.05));
    cursor: pointer;
    transition: var(--transition, all 0.3s cubic-bezier(0.4, 0, 0.2, 1));
}

.photo-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg, 0 8px 24px rgba(44, 85, 48, 0.15));
}

.photo-card-image-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 75%; /* Ratio 4:3 */
    overflow: hidden;
    background: var(--color-gray-light, #F8F9FA);
}

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

.photo-card:hover .photo-card-image {
    transform: scale(1.08);
}

.photo-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(26, 26, 26, 0.9), transparent);
    padding: 1.5rem 1rem 1rem;
    color: var(--color-white, #FFFFFF);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.photo-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-white, #FFFFFF);
}

.photo-card-author {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
}

.photo-card-content {
    padding: 1rem;
}

.photo-card-info {
    margin-bottom: 0.5rem;
}

.photo-card-bird-name {
    font-weight: 600;
    color: var(--color-primary, #2C5530);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.photo-card-scientific {
    font-style: italic;
    color: var(--color-gray, #6B7280);
    font-size: 0.875rem;
}

.photo-card-prize {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-secondary, #D4A574);
    color: var(--color-white, #FFFFFF);
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 1rem;
    margin-top: 0.5rem;
}

/* Tarjeta de video */
.video-card .photo-card-image-wrapper {
    padding-bottom: 56.25%; /* Ratio 16:9 */
}

.video-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    opacity: 0.85;
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.video-card:hover .video-play-icon {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

/* Modal de video */
.video-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
    align-items: center;
    justify-content: center;
}

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

.video-modal-container {
    position: relative;
    width: 90%;
    max-width: 900px;
}

.video-modal-content {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 0.75rem;
}

.video-modal-content iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 0.75rem;
}

/* Modal de foto */
.photo-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
    align-items: center;
    justify-content: center;
}

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

.photo-modal-container {
    position: relative;
    max-width: 1200px;
    width: 95%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.photo-modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: transparent;
    border: none;
    color: var(--color-white, #FFFFFF);
    font-size: 3rem;
    cursor: pointer;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition, all 0.3s ease);
    z-index: 10001;
    line-height: 1;
}

.photo-modal-close:hover {
    color: var(--color-secondary, #D4A574);
    transform: scale(1.1);
}

.photo-modal-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    background: var(--color-white, #FFFFFF);
    border-radius: 1rem;
    overflow: hidden;
    max-height: 85vh;
}

.modal-image {
    width: 100%;
    max-height: 85vh;
    height: auto;
    object-fit: contain;
    background: var(--color-dark, #1A1A1A);
    display: block;
}

.photo-modal-info {
    padding: 2rem;
    overflow-y: auto;
}

.modal-photo-title {
    font-family: var(--font-serif, 'Playfair Display', serif);
    font-size: 1.75rem;
    color: var(--color-primary, #2C5530);
    margin-bottom: 1rem;
    font-weight: 700;
}

.modal-photo-description {
    color: var(--color-gray, #6B7280);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.modal-photo-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 1.25rem;
    background: var(--color-gray-light, #F8F9FA);
    border-radius: var(--border-radius, 0.5rem);
}

.modal-photo-meta span {
    font-size: 0.95rem;
    color: var(--color-gray, #6B7280);
}

.modal-photo-meta span strong {
    color: var(--color-primary, #2C5530);
    font-weight: 600;
}

.modal-prize {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--color-secondary, #D4A574), var(--color-accent, #8B7355));
    color: var(--color-white, #FFFFFF);
    font-weight: 600;
    border-radius: var(--border-radius, 0.5rem);
    margin-top: 1rem;
}

/* Botones de navegación */
.photo-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 2.5rem;
    color: var(--color-primary, #2C5530);
    cursor: pointer;
    transition: var(--transition, all 0.3s ease);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    line-height: 1;
}

.photo-nav-btn:hover {
    background: var(--color-primary, #2C5530);
    color: var(--color-white, #FFFFFF);
    transform: translateY(-50%) scale(1.1);
}

.photo-nav-prev {
    left: -80px;
}

.photo-nav-next {
    right: -80px;
}

/* Estados de carga */
.gallery-loading {
    text-align: center;
    padding: 3rem 0;
    color: var(--color-gray, #6B7280);
    font-size: 1.125rem;
}

.gallery-empty {
    text-align: center;
    padding: 3rem 0;
    color: var(--color-gray, #6B7280);
    font-size: 1.125rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .photo-modal-content {
        grid-template-columns: 1fr;
        max-height: 90vh;
    }

    .photo-modal-info {
        max-height: 300px;
    }

    .photo-nav-btn {
        width: 50px;
        height: 50px;
        font-size: 2rem;
    }

    .photo-nav-prev {
        left: 10px;
    }

    .photo-nav-next {
        right: 10px;
    }
}

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

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

    .gallery-intro-text {
        font-size: 1rem;
    }

    .gallery-title {
        font-size: 1.75rem;
    }

    .photo-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }

    .photo-modal-close {
        top: -45px;
        font-size: 2.5rem;
        width: 40px;
        height: 40px;
    }

    .photo-modal-info {
        padding: 1.5rem;
    }

    .modal-photo-title {
        font-size: 1.375rem;
    }

    .photo-nav-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .photo-nav-prev {
        left: 5px;
    }

    .photo-nav-next {
        right: 5px;
    }
}

@media (max-width: 480px) {
    .gallery-section {
        padding: 2rem 0;
    }

    .gallery-intro {
        margin-bottom: 2rem;
    }

    .photo-grid {
        grid-template-columns: 1fr;
    }
}