# frontend

AI can handle 80-90% of frontend work, but the remaining edges — depth, sensitivity to new platform features, and knowing when the stable default is not the best answer — are becoming the real moat. Fundamentals are not obsolete. They are compounding assets.

After meeting the browser's five-player team, this post follows the rendering combo: DOM, layout, paint, rasterization, and compositing, all inside a 16ms frame budget. It explains why some animations stay smooth while others jank.

You can't tell a model 'make it premium and smooth' and get a premium UI. kvnkld's full system behind his polished components — easing curves, design tokens, real physics, the 98% press — reduces to one move: trade adjectives for numbers. The model is the hands; the last 10% of taste is still yours.