Improve footer responsiveness on mobile devices

[shreeyasriram10]

Description

This pull request improves the responsiveness of the footer on mobile devices.

Changes Made

• Improved footer spacing and padding for smaller screens.
• Adjusted the footer grid layout for better responsiveness.
• Improved alignment of footer sections.
• Made footer links display properly on mobile devices.
• Center-aligned the footer bottom content for better readability.

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Related Issue

Closes #125

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Type of Change

• Bug Fix
• New Feature
• Documentation

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Testing

• Tested on Chrome DevTools (iPhone 14).
• Tested on a real iPhone after deploying to Vercel.
• Verified the footer displays correctly on mobile screens.

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Screenshots

Before

After

[vercel]

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Project	Deployment	Actions	Updated (UTC)
pollution-control-hub	Ready	Preview, Comment	Jul 10, 2026 2:12pm

[github-actions]

🎉 Your PR just got merged, @shreeyasriram10 — thank you for contributing to Pollution Control Hub!

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