[Style] Enhance the contact form in dark mode

[deepeshahlawat]

Description

When we switch to dark mode, the headings like name, message and email are hard to read. we should change their color accordingly.

Screenshots

Checklist

• I have checked the existing issues.
• I follow Contributing Guidelines of this project.
• I am a SWOC'25 contributor.

Code of Conduct

• I agree to follow this project's "Code of Conduct".

[github-actions]

Hey @deepeshahlawat, Welcome to the project Eventica! 🎊
Thanks for opening an issue! 🙌 Please wait for the issue to be assigned. Happy Coding!! ✨

[Rakesh9100]

Please check the contact page again and lmk @deepeshahlawat

[deepeshahlawat]

Please check the contact page again and lmk @deepeshahlawat

I think the contact us card is too bright for dark mode, also "we would love to hear from you" under contact us is not visible. Compare it with light mode:

[Rakesh9100]

Go ahead @deepeshahlawat

[github-actions]

Hello @deepeshahlawat! Your issue #42 has been closed. Thank you for your contribution!! 🙌