Feat: Navbar and UI Enhancements

[AnkitLuhar]

Describe the feature

###Navbar Improvement:

1.Enhance the navbar to align with modern design standards.
2.Ensure smooth transitions and animations for better user interaction.

###Scroll-to-Top Button:

1.Align the scroll-to-top button for better visibility.
2.The button should only appear after the user has scrolled a certain amount down the page.

###Book a Health Checkup Now Section:

1.Enhance this section by creating cards with 3D animation.
2.Improve the styling to provide a more user-friendly experience.

Add ScreenShots

Record

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• I'm a GSSOC'24 contributor
• I want to work on this issue

[github-actions]

Congratulations, @AnkitLuhar! 🎉 Thank you for creating your issue. Your contribution is greatly appreciated, and we look forward to working with you to resolve the issue. Keep up the great work!

We will promptly review your changes and offer feedback. Keep up the excellent work! Kindly remember to check our contributing guidelines