.header {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
    margin: 1.2rem 1rem;

    display: grid;
    grid-template-columns: 20rem 1fr 30rem;
    grid-template-rows: 1fr 1fr;
    gap: 1rem;
}
.header .div_numero_proyectos {
    height: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.div_numero_proyectos h3 {
    font-size: var(--h3);
}
.div_numero_proyectos div {
    width: 2rem;
    height: 2rem;
    border-radius: 5px;
    background-color: rgb(28, 28, 34);
    color: white;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header .contactar {
    text-decoration: none;
    grid-column: 3 / 4;
    grid-row: 1 / 2;
    justify-self: right;
    border-radius: 5px;
    width: 15rem;
    background-color: rgb(28, 28, 34);
    background-color:rgb(33, 161, 161);
    color: white;
    font-weight: 600;
    font-size: 1.4rem;
    cursor: pointer;
    padding-bottom: 0.3rem;
    
    display: flex;
    align-items: center;
    justify-content: center;
}
@media screen and (max-width: 720px) {
    .header {
        grid-column: 1 / 2;
        grid-row: 2 / 3;
        grid-template-columns: auto;
        padding-bottom: 1rem;
        grid-template-rows: 1fr;
        gap: 1rem;
    }
}