[BUG]: Related to Font setting of a different font type

Describe the bug simply due to new tailwind v4+ changes of how font sets i have change default font from inter to vercel's geist

Expected behavior Looking at existing example of yours a change of variable in the font.ts file and mentions of that variable in the css file has been done, but still it doesn't use the geist font and uses the default imported tailwindcss font.

Additional context I wanna know where i have went wrong and how can i fix it