nav.header__menu {
    display: flex;
    gap: 16px;
    align-items: center;
}
nav.header__menu .link-buy-now a {
    transition: all .2s linear;
}
nav.header__menu .link-buy-now.btn-blue a {
    background: #005AA6;
    border: 1px solid #005AA6;
}
nav.header__menu .link-buy-now.btn-blue a:hover {
    color: #005AA6!important;
    background: transparent;
}