Hi @avidseeker, welcome and thank you for your question! I have changed your post’s title to bring it in line with the question guidelines and thus make it easier to understand from the title:
Good titles are questions you would ask your friend about Typst.
I also added the layout tag, as it makes your question easier to find.
There is also this old question that you may be interested in:
You are using the parallel package, they used reledpar, so it’s not a complete duplicate, but maybe it still helps.