.site-header__grid {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.25rem;
}
.site-header__col {
    flex: 1;
    display: flex;
    align-items: center;
}
.site-header__col--logo {
    justify-content: flex-start;
}
.site-header__col--fondation {
    flex-direction: column;
    justify-content: center;
}
.site-header__col--search {
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
@media screen and (max-width: 48rem) {
    .site-header__grid {
        flex-direction: column;
        align-items: flex-start;
    }
}

.header_social { text-align: center; }
.header_social .hide { display: none; }
.header_social svg { height:35px; margin-right:10px; }
.header_social a:last-child svg { margin-right:0; }

.site-header__logos {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-left: 1.875rem;
}
.site-header__logos .site-header__logo {
    margin-left: 0;
}
.site-header__fondation {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.site-header__fondation-mention {
    font-size: 0.75rem;
    color: #8e8e8e;
    white-space: nowrap;
}
.site-header__fondation img {
    height: 3.5rem;
}