Since you deny one, you necessarily deny the other.
Your position equates Mary and Jesus on an equal footing.
No one has a problem with the virgin birth as noted before.
What the Catholic forgets is that the NT accords salvation as coming through Christ and Christ only. He died on the Cross for our sins. No one else.
Which is what Peter stated.
Acts 4:12 And there is salvation in no one else, for there is no other name under heaven given among men by which we must be saved.”
Actually, it must be more what the Catholic ignores because Scripture is so clear on it.