added responsiveness to the landing page layout

[cosmicTitiksha]

added responsiveness to the landing page layout, thanks for giving this super amazing opportunity...I learned a lot.

[greptile-apps]

Greptile Summary

This PR implements responsive design improvements to the CodeClip landing page by restructuring the CSS architecture and adding mobile-friendly navigation. The changes split the existing monolithic CSS into modular files and introduce a flexbox-based layout system for the hero section.

The main modifications include:

1. CSS Architecture Refactor: The PR adds three new CSS files (styles/main.css, styles/themes.css, styles/challenges.css) linked in index.html, moving away from the single styles.css approach. This modular structure separates concerns between layout, theming, and feature-specific styles.

2. Hero Section Responsive Design: A new styles/main.css file implements flexbox-based responsive layout for the hero section, replacing the existing CSS Grid approach. The new system uses multiple breakpoints (1025px, 939px) to handle various screen sizes and switches from row to column layout on smaller screens.

3. Mobile Navigation System: The styles/themes.css file adds a mobile-first navigation implementation with a hamburger menu that transforms to horizontal navigation on desktop screens (768px+). This uses CSS custom properties for theming and includes proper z-index layering.

4. Code Organization: HTML comments are added throughout index.html to clearly delineate sections (header, main, footer, scripts), improving code maintainability.

These changes integrate with the existing CodeClip application by enhancing the user experience across different device sizes while maintaining the established design patterns and theming system.

Confidence score: 1/5

• This PR has significant issues that will likely cause layout conflicts and CSS syntax errors in production
• The new CSS files create conflicting responsive breakpoints and layout approaches that override existing functionality, plus there's a CSS selector syntax error that will break styling
• styles/main.css and index.html need immediate attention for CSS conflicts and syntax fixes

_{3 files reviewed, 1 comment}

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[adityai0]

@cosmicTitiksha great work

[cosmicTitiksha]

@adityai0
Pleasures are all mine, thanks for considering me for the issues. Looking forward to contribute more!