fix: mobile layout issues

[canerakdas]

Description

This PR aims to make headings more readable on mobile by aligning them with the Figma design, and to fix the overflow issues caused by code elements on mobile resolutions

Validation

Before

After

Before (Content overflow)

After

Related Issues

Fixes #565

Check List

• I have read the Contributing Guidelines and made commit messages that follow the guideline.
• I have run node --run test and all tests passed.
• I have check code formatting with node --run format & node --run lint.
• I've covered new added functionality with unit tests if necessary.

[vercel]

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Project	Deployment	Review	Updated (UTC)
api-docs-tooling	Ready	Preview	Jan 14, 2026 8:08pm

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.97%. Comparing base (39b2c0f) to head (876b284).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #566   +/-   ##
=======================================
  Coverage   79.97%   79.97%           
=======================================
  Files         127      127           
  Lines       12276    12276           
  Branches      866      866           
=======================================
  Hits         9818     9818           
  Misses       2455     2455           
  Partials        3        3           

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[Copilot]

Pull request overview

This PR fixes mobile layout issues for headings and code elements by implementing mobile-first responsive design patterns. The changes ensure headings wrap properly on mobile and code elements don't cause horizontal overflow.

Changes:

• Added word wrapping for code elements on mobile with media query reset for desktop
• Changed heading containers to use column layout on mobile, reverting to row layout on desktop
• Adjusted change history positioning and menu alignment for mobile and desktop views

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[ovflowd]

nit:

can the 2nd dropdown have a title like "Navigation" or something? Also it is so awkwardly positioned far from the 1st dropdown.

[ovflowd]

SGTM