/* Estado inicial (oculto) */
.fila {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.9s cubic-bezier(0.25, 0.1, 0.25, 1),
        transform 0.9s cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* Estado Final (visible) */

.fila.visible {
    opacity: 1;
    transform: translateY(0);
}