Do I need to rebuild Tailwind after a template change?

Yes. Hyvä compiles Tailwind into a static CSS bundle, editing a PHTML or adding a new utility class does nothing on the frontend until you run the Tailwind build (npm run build-prod in the theme’s web/tailwind folder) and re-deploy static content. If you forget the rebuild, the page looks unchanged even though the markup updated. Every fix we ship includes the Tailwind rebuild plus the right cache clear so you don’t hit a stale bundle.