New design proposal

Recently I've started working on a new design for ARC. It was caused by necessary changes in the body panel (especially multipart form).

I've come up with the following:

More of the mockup: https://xd.adobe.com/view/9fefbc1d-18fa-43e3-afb5-7b8af5efe586/

I am really interested your opinion. So please, if you have any thoughts about it, leave a comment below or commend directly on mockup page.

Thanks!