That's exactly why critics of Tailwind (like myself) have been so frustrated…Tailwind shouldn't mean you avoid spending time "thinking about CSS". CSS should be a principal and respected pillar of a website's architecture, every bit as vitally important to reason about and understand as anything JS-related. Tailwind v4 promoting CSS-first configuration and customization, and allowing design token usage in vanilla CSS, knocks down a major complaint we've had regarding the framework.