Soft reject html - help

i have soft reject for my html template (fono)
https://fonoo.netlify.com

the reason ":
((Please, Add images to your documentation))

The navbar is broken when clicked on mobile

image

the heading is chaotic on mobile make it smaller

this section looks abrupt (if you want to break the usual layout style do it with more coherent way that doesn’t confuse users)

best regards.