nesting `@variant` in `@utility` not working

[stefanprobst]

What version of Tailwind CSS are you using?

4.1.16

What build tool (or framework if it abstracts the build tool) are you using?

n/a

What version of Node.js are you using?

22.21.

What browser are you using?

firefox

What operating system are you using?

linux

Reproduction URL

https://play.tailwindcss.com/4IeG0AH5t1

Describe your issue

Nesting @variant inside of @utility is only working when the @variant block comes last, but not when it comes first (cf. the working and not-working utilities in the play.tailwind repro link above)