:root{
    --couleur-txt:#f200ff;
}

nav{
    width: 100%;
   background: linear-gradient(
    180deg,
    #fafafa 0%,
    rgba(250, 250, 250, 0.85) 25%,
    rgba(250, 250, 250, 0.5) 55%,
    rgba(250, 250, 250, 0.15) 85%,
    rgba(250, 250, 250, 0) 100%
);


    margin: 0;
    padding: 30px;
    padding-bottom: 90px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    position:fixed;
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    transition: transform 0.8s ease-in-out;
    transform: translateY(0);
    z-index: 1000;
}

nav.nav-hidden {
    transform: translateY(-100%);
}

nav h1{
    text-transform: uppercase;
    font-size: 24px;
    padding: 0;
    margin: 0;
    font-weight: 600;
    color: black;
}

#grp-btn-nav{
    display: flex;
    flex-direction: row;
    column-gap: 30px;
}

#grp-btn-nav a{
        font-size: 22px;
        color: black;
}