If I under stand you correctly.
On the menu buttons.
Add the On mouse click action: Go to URL.
Then put in a anchor to the section.
The Section should have an id that would be used as the Anchor.
In the Wordpress HTML
we have a line at the top of a section. We give the line the id. test1
<hr id="test1" style="width: 80%;" width="80%" />
In Hype we set the Go to URL field to this anchor
Thats is. I have tested this in my wordpress and this works.