feat: add parallax tilt effect submission

[AyushPrad2907]

Pull Request Description

This PR adds a new animation submission called Parallax Tilt Effect inside submissions/examples/parallax-tilt-effect/.

The effect creates a lightweight CSS-only 3D interaction that simulates depth and movement using perspective, transforms, and layered content.

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Type of Change

• ✨ New animation / hover effect
• 🧩 New component
• 📝 Documentation improvement
• 🐛 Bug fix in an existing submission
• Other (describe below)

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Submission Checklist

• All changes are inside submissions/examples/parallax-tilt-effect/
• Includes demo.html
• Includes style.css
• Includes README.md
• No changes to core/
• No changes to components/
• One feature per PR

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Feature Description

What does this add?

A CSS-only parallax tilt animation that creates a realistic 3D depth effect on hover.

How does a developer use it?

<div class="tilt-card">
  Content
</div>

Why does it fit EaseMotion CSS?

The effect is visually expressive, easy to understand, and aligns with EaseMotion CSS's animation-first philosophy. It enhances user interaction without requiring JavaScript or external dependencies.

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Demo

• Demo added (demo.html works by opening directly in a browser)

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Browser Testing

• Chrome
• Firefox
• Edge
• Safari (optional but appreciated)

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Notes for Maintainer

This implementation focuses on achieving a convincing depth effect using only CSS transforms, perspective, and layered elements. The demo showcases a practical use case suitable for modern portfolios, dashboards, and product cards.

[github-actions]

✅ Submission Validation Passed!

Great job! All required files are present.

📁 Folder: submissions/examples/parallax-tilt-effect

Files found:

• ✅ demo.html
• ✅ style.css
• ✅ README.md

🚀 Next Steps:

• The maintainer will review your PR
• Respond to any feedback if requested
• Once approved, your contribution will be merged!

Thank you for contributing to EaseMotion CSS! 🎉