[poof_he_is_gone]

I think that design tools are slowly but surely zeroing in on this. The updated versions of Sketch, Figma, and InVision can support responsive layouts, and all of them are moving from being able to create static designs, to interactive prototypes. There are several plugins and workflows out there that will convert your designs to useable code, and it is only a matter of time before this software is doing that natively and representing the full stack.