/* Estilo general de la galería */
.galeria {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10px;
    
    padding: 90px 10px;
}

.galeria .imagen-item {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    cursor: pointer;
}

.galeria .imagen-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    justify-content: center;
    align-items: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 5px;
}

/* Botones de navegación */
.flecha {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 10px;
    border-radius: 50%;
}

.flecha.izquierda {
    left: 20px;
}
.flecha.derecha {
    right: 20px;
}

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

/* Botón cerrar */
.close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    color: white;
    cursor: pointer;
}