The Devil is in the Details
As much as a good design is about the big things, it’s also about the details. For a design to have harmony, the small things and the main ideas need to line up. This quality is found also in nature; and isn’t that the main idea after all, for a design to mimic nature as much as possible?
While the details may seem to work in opposition to the big ideas, in reality it’s the details that give them legs, and give them breath. The details are what bring the main ideas to life. While often considered opposing forces, the key to success is their coexistence.