/* ===============================================
   PÁGINA AUDIOVISUAL - Contenido Multimedia
   Fundación Álvaro Gómez Hurtado
   =============================================== */

.audiovisual-content {
    padding-bottom: 60px;
}

/* Filtros de contenido */
.multimedia-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--azul-texto);
    color: var(--azul-texto);
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-family: var(--fuente);
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 14px;
}

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

/* Grid de contenido multimedia */
.multimedia-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.multimedia-item {
    opacity: 1;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.multimedia-item.hidden {
    opacity: 0;
    transform: scale(0.9);
    pointer-events: none;
}

/* Tarjetas de contenido */
.multimedia-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(11, 35, 65, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid rgba(11, 35, 65, 0.05);
}

.multimedia-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(11, 35, 65, 0.15);
    border-color: rgba(233, 78, 27, 0.2);
}

/* Thumbnails */
.multimedia-thumbnail {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.multimedia-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.4s ease, filter 0.3s ease;
    display: block;
}

/* Hover específico para imágenes */
.image-thumbnail:hover img {
    transform: scale(1.08);
    filter: brightness(1.05);
}

/* Hover para videos */
.video-thumbnail:hover img {
    transform: scale(1.05);
    filter: brightness(0.95);
}

/* Hover para documentos */
.document-thumbnail:hover {
    background: linear-gradient(135deg, #e8e8e8 0%, #d8d8d8 100%);
}

/* Placeholder para thumbnails sin imagen */
.placeholder-thumbnail {
    font-size: 80px;
    opacity: 0.25;
    filter: grayscale(1);
}

/* Overlay para videos */
.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(233, 78, 27, 0.9);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.multimedia-card:hover .play-overlay {
    background: rgba(233, 78, 27, 1);
    transform: translate(-50%, -50%) scale(1.1);
}

.play-icon {
    color: white;
    font-size: 20px;
    margin-left: 3px;
}

/* Badge de tipo de contenido */
.media-type-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(11, 35, 65, 0.95);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    z-index: 2;
    transition: all 0.3s ease;
}

.multimedia-card:hover .media-type-badge {
    background: var(--naranja);
    transform: scale(1.05);
}

/* Icono para documentos */
.document-icon {
    font-size: 80px;
    color: var(--azul-texto);
    opacity: 0.5;
    transition: all 0.3s ease;
}

.document-thumbnail:hover .document-icon {
    opacity: 0.8;
    transform: scale(1.1);
}

/* Información de cada item */
.multimedia-info {
    padding: 20px 20px 24px 20px;
    background: white;
}

.multimedia-title {
    font-family: var(--fuente);
    font-size: 17px;
    font-weight: 700;
    color: var(--azul-texto);
    margin: 0 0 10px 0;
    line-height: 1.4;
    transition: color 0.3s ease;
    min-height: 48px;
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.multimedia-card:hover .multimedia-title {
    color: var(--naranja);
}

.multimedia-date {
    color: var(--naranja);
    font-size: 13px;
    font-weight: 600;
    display: block;
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}

.multimedia-description {
    color: #555;
    font-size: 14px;
    line-height: 1.6;
    margin: 0 0 15px 0;
    display: -webkit-box;
    line-clamp: 3;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.download-link {
    display: inline-block;
    color: var(--naranja);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.download-link:hover {
    border-bottom-color: var(--naranja);
}

/* Estado cuando no hay contenido */
.no-content {
    text-align: center;
    padding: 60px 20px;
    color: #666;
    font-style: italic;
}

/* Responsive */
@media (max-width: 992px) {
    .multimedia-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
    
    .multimedia-thumbnail {
        height: 220px;
    }
}

@media (max-width: 768px) {
    .multimedia-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .multimedia-filters {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .multimedia-thumbnail {
        height: 200px;
    }
    
    .multimedia-info {
        padding: 16px;
    }
    
    .multimedia-title {
        font-size: 16px;
        min-height: auto;
    }
}

@media (max-width: 480px) {
    .multimedia-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .multimedia-filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
    }
    
    .filter-btn {
        flex-shrink: 0;
    }
    
    .multimedia-thumbnail {
        height: 220px;
    }
    
    .multimedia-info {
        padding: 15px;
    }
    
    .play-overlay {
        width: 50px;
        height: 50px;
    }
    
    .play-icon {
        font-size: 16px;
    }
    
    .media-type-badge {
        padding: 5px 10px;
        font-size: 10px;
    }
}