Love the attention you put to the feedback. Have a 💜 day!
PS: I did proofreading and counseling for mechanics and layout for lot of (small) authors and translators, here in Italy.
I just want to tell you that you can find awesome suggestions about font choice and page composition, and you can learn a lot, really quickly.
This is just an example or two:
https://www.canva.com/learn/the-ultimate-guide-to-font-pairing/
https://practicaltypography.com/page-layout.html