[Enhancement] Add hover effects to Features section for dark and light mode

[Lehana02]

The Features section currently does not have interactive hover effects for feature cards. Adding smooth hover effects for both dark mode and light mode will improve the overall UI/UX and user engagement.

[thesatyam161]

Hi @mehul-m-prajapati
I would love to work on this issue under GSSoC'26.

Please assign this issue to me.