[ui-upgrade]: Better UI/UX for Navigation Menu

Describe the bug Navigation bar is not looking good in mobile view. Also in computer view the size and animations are not aligned with UX.

To Reproduce Steps to reproduce the behavior:

1. Go to 'Home Page'
2. Open Mobile View using Inspect
3. See Navigation bar by clicking on Menu button.

Expected behavior Better UX and use of relatable colours with website.

Screenshots

Additional context NA

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