Every realm runs on rules, but the strongest ones are bound by contracts. I used to think of variables as conveniences. A small kindness. A way to avoid repetition and save a few lines of code. That illusion did not survive my first encounter with a stylesheet that had grown without discipline. It was a familiar kind of chaos. Colors that almost matched but never quite aligned. Spacing that shifted unpredictably from section to section. Shadows that seemed to be cast by different light sources entirely. Nothing was broken in isolation, yet nothing belonged together. It felt less like a system and more like a battlefield after too many uncoordinated…