This is a nice clean layout, follows a grid quite nicely. The textures and small details are really nice and it all blends with some really well selected coloring. Subpages are well done too. The only thing is i’m not sure the numbers by the navigation items hold any real value but that’s really nit-picky.
Fitts’s Law: Why the Easy Button Wins
Large, close targets are faster to hit than small, distant ones, that’s Fitts’s Law. A look at the 1954 rule behind buttons, prime and magic pixels, thumb zones, and dark patterns.
I think this is a great design, good matching colors.