Cait Diagonal - Business Card Template

I wanted to design a fresh business card design. The design with the diagonal stripes implicits a young touch but its sleek design still has a serious look. 

What do you think? Which aspect could be better?

TY a lot

Support my work: www.gumroad.com/gg_graphic

Mockup: graphicburger.com/tag/business…
Font: PT Sans Narrow -  www.fontsquirrel.com/fonts/pt-…