Privacy page enhnaced

[Souradeep858]

Related Issue

Closes #1169

Summary

Brief explanation of the contribution.

Enhanced the Privacy Policy page with a modern, responsive design that aligns with the overall StudyPlan dashboard theme. Improved content structure, readability, and visual consistency while preserving existing functionality and navigation.

Changes Made

• Bullet list of implemented changes.
• Redesigned the Privacy Policy page to match the StudyPlan UI theme.
• Added inline CSS for a cleaner and more professional appearance.
• Improved page layout with card-based design and responsive styling.
• Added structured privacy policy sections:
  • Information We Collect
  • How We Use Your Information
  • AI-Powered Features
  • Data Storage & Security
  • Third-Party Services
  • Your Rights
  • Changes to This Policy
  • Contact Us
• Enhanced typography, spacing, and visual hierarchy.
• Added a "Last Updated" section.
• Maintained existing navigation links and JavaScript file references.
• Ensured mobile responsiveness for smaller screen sizes.

...

Testing

Explain how the changes were tested.

• Tested the page locally in the browser.
• Verified responsive behavior on desktop and mobile viewport sizes.
• Confirmed all navigation links work correctly.
• Checked that existing assets (logo, footer links, and JS file) remain functional.
• Verified visual consistency with the main dashboard theme.

Screenshots

Add screenshots if UI changes exist.

Checklist

• Code follows project style
• Tested locally
• No unrelated changes included
• Documentation updated (if applicable)