fix(a11y): add aria labels and improve semantic HTML

[hars-21]

What kind of change does this PR introduce?

This PR introduces a non-functional accessibility improvement focused on semantic HTML and ARIA usage, with no changes to behavior, visuals, or logic.

Issue Number:

• Closes 🐛 Bug: Accessibility: Semantic HTML & ARIA Usage #2167
• Related to 🐛 Bug: Accessibility - Empty links and low contrast text (WAVE findings) #2131

Screenshots/videos:

If relevant, did you update the documentation?

Documentation update not required as it fixes accessibility of the site.

Summary

This PR improves accessibility across the codebase focused only on semantic HTML and ARIA usage.

What was done

• Replaced non-semantic HTML elements with appropriate semantic HTML tags where applicable.

• Added ARIA labels/attributes only where required.

• Removed redundant or unnecessary ARIA attributes to avoid overuse and conflicts with native semantics.

Goal

Improve screen reader and assistive technology support while keeping changes minimal, intentional, and aligned with WCAG 2.0 best practices.

Does this PR introduce a breaking change?

This PR fixes accessibility which focuses on aria labels and semantic html. There is no breaking change.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

[github-actions]

Hi @hars-21! Thanks a lot for your contribution!

I noticed that the following required information is missing or incomplete: kind of change description

Please update the PR description to include this information. You can find placeholders in the PR template for these items.

Thanks a lot!

[github-actions]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (d28a48a) to head (dc772a6).

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #2203   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           30        30           
  Lines          640       640           
  Branches       198       198           
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  Hits           640       640           

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[hars-21]

@AgniveshChaubey Please review this PR whenever you are free. This PR introduces a non-functional accessibility improvement focused on semantic HTML and ARIA usage, with no changes to behavior, visuals, or logic. I'll start working on next part of accessibility as soon as this PR is approved.