/**
 * Alianza - Estilos para la galería de productos con efectos de transición suave
 * y mosaico de marcas de camiones
 */

/* Contenedor principal de la imagen */
.main-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    background-color: var(--white);
    transition: transform 0.3s ease;
}

/* Imagen principal y secundaria */
.main-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    aspect-ratio: 4/3;
    display: block;
    transition: opacity 0.6s ease-in-out, transform 0.5s ease-out;
}

/* Efecto de zoom */
.main-image.zooming {
    cursor: zoom-in;
}

/* Indicador de zoom */
.zoom-indicator {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: rgba(255, 255, 255, 0.7);
    color: var(--primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.main-image:hover .zoom-indicator {
    opacity: 1;
}

/* Miniaturas */
.thumbnail-images {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    position: relative;
    min-height: 60px; /* Altura mínima para evitar saltos de contenido */
    will-change: contents;
}

.thumbnail-btn {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    cursor: pointer;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    padding: var(--spacing-sm) var(--spacing-md);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    font-weight: 500;
    font-size: 0.9rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    will-change: transform, opacity;
    backface-visibility: hidden;
}

/* Ya no necesitamos la regla para ocultar imágenes en los thumbs */

/* Efectos para miniaturas */
.thumbnail-btn:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.thumbnail-btn.active {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 86, 179, 0.2);
}

/* Efectos de transición para miniaturas */
.thumbnail-btn.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.thumbnail-btn.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

.thumbnail-btn.hover-preview {
    animation: pulse 1s ease infinite;
}

.thumbnail-btn.keyboard-nav {
    animation: pulse 0.3s ease;
}

/* Animaciones */
@keyframes fadeIn {
    from { opacity: 0.7; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes fadeOut {
    from { opacity: 1; transform: scale(1); }
    to { opacity: 0.7; transform: scale(0.95); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Responsive */
@media (max-width: 768px) {
    .thumbnail-images {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 576px) {
    .thumbnail-images {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Mosaico de marcas de camiones */
.brand-mosaic {
    margin-bottom: var(--spacing-lg);
}

.brand-disclaimer {
    margin-top: var(--spacing-sm);
    text-align: center;
    color: var(--text-light);
    font-style: italic;
}

.brand-mosaic h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
    color: var(--text-dark);
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.brand-tile {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 2px solid var(--border-color);
    background-color: var(--white);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: pointer;
    text-align: center;
    height: 90px;
    will-change: transform, box-shadow, border-color;
    backface-visibility: hidden;
}

.brand-tile img {
    width: 100%;
    height: 70px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.brand-tile span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-top: auto;
}

.brand-tile:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.brand-tile:hover img {
    transform: scale(1.1);
}

.brand-tile.active {
    border-color: var(--primary);
    background-color: rgba(0, 86, 179, 0.05);
    box-shadow: var(--shadow-md);
}

/* Estilos para las miniaturas filtradas */
.thumbnail-btn {
    transition: all 0.3s ease;
}

.thumbnail-btn.hidden-brand {
    display: none;
    pointer-events: none;
    visibility: hidden;
    opacity: 0;
    transform: scale(0.8);
    position: absolute;
    z-index: -1;
}

.brand-section-title {
    margin: var(--spacing-md) 0 var(--spacing-sm);
    font-size: 1.1rem;
    color: var(--primary);
    font-weight: 500;
}

/* Responsive para el mosaico de marcas */
@media (max-width: 768px) {
    .brand-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
    
    .brand-tile {
        height: 90px;
        padding: var(--spacing-sm);
    }
}

@media (max-width: 576px) {
    .brand-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
    
    .brand-tile {
        height: 80px;
        padding: var(--spacing-sm);
    }
    
    .brand-tile img {
        height: 60px;
    }
}