@keyframes brillo {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    50% {
        transform: translateX(0%);
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

.img-principal-container::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0));
    animation: brillo 8s infinite;
}

.img-principal-container {
    width: 98%;
    margin: 0 auto; /* Centra el div horizontalmente */
    overflow: hidden;
}

.img-principal {
    width: 100%;
    height: auto; /* Mantiene la proporción de la imagen */
}