I like the look and feel of your portfolio. If one thing were to change, I would change the background colour. Maybe it is my personal preference, but it hurts my eyes.
Also, in mobile view:
/projects, the first
h4 paragraph you have looks odd being juxtaposed against the rest of your content. It might look more natural if you juxtaposed everything else, but the
h4 and project images are the only items not centred.
2) Mostly because I have an iPhone 5 (still relevant), I am unable to view your entire email on the
Excellent job. Hope this helps