A full-bleed pricing surface built as a spillway: three plans stand in one rising reservoir as dams of different crest heights, and the volume slider raises a single shared water level until a plan's crest is overtopped and pours, which is exactly the moment its overage starts costing money.
pnpm dlx shadcn@latest add "https://design.helpmarq.com/r/weir-crest.json"