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You've got a good start. i would keep going and keep a structured grid in mind. I think that will help. The modern look is pretty tough to pull off, but I think keeping the typography simple, but still varied would add some intrigue. (weights, sizes, and even use a serif in there)
I think it is a good start

Thanks for commenting. Not sure what you mean about different weights and sizes, I thought I already had this. Serif is not an option.