.contenido-grid {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.grid-tarjeta a {
    text-decoration: none;
    color: var(--color-blanco);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.grid-tarjeta {
    background-color: var(--color-principal);
    color: var(--color-blanco);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all 0.5s ease;
}

.grid-tarjeta:hover {
    transform: scale(1.03);
}

.grid-tarjeta a img {
    width: 100%;
    filter: grayscale(100%);
    display: block;
    transition: all 0.5s ease;
}

.grid-tarjeta:hover a img {
    filter: grayscale(0%);
}

.grid-tarjeta a div {
    width: 100%;
    padding: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 5px;
    flex-grow: 1;
    font-size: large;
    min-height: 50px;
}

@media (max-width: 1300px) {
    .contenido-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 800px) {
    .contenido-grid {
        grid-template-columns: 1fr;
    }
}