.btn-entrar {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 8px 25px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}
.btn-entrar:hover {
    background: var(--primary);
    color: #000;
}