style: improve color contrast and landing page UI

[Mohitswamii]

Summary

Improved landing page visual appearance and accessibility.

Closes #1497

Changes Made

• Enhanced text contrast for better readability
• Improved muted text colors
• Added hover effects to dashboard cards
• Refined landing page styling consistency
• Improved overall UI accessibility

Type of Change

• UI Improvement
• Accessibility Improvement
• Bug Fix
• Documentation

Testing

• Tested locally
• No console errors
• Responsive design checked

[vercel]

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[github-actions]

GSSoC Label Checklist 🏷️

@Priyanshu-byte-coder — please apply the appropriate labels before merging:

Difficulty (pick one):

• level:beginner — 20 pts
• level:intermediate — 35 pts
• level:advanced — 55 pts
• level:critical — 80 pts

Quality (optional):

• quality:clean — ×1.2 multiplier
• quality:exceptional — ×1.5 multiplier

Validation (required to score):

• gssoc:approved — counts for points
• gssoc:invalid / gssoc:spam / gssoc:ai-slop — does not score

Type labels (type:*) are auto-detected from files and title. Review and adjust if needed.
Points formula: (difficulty × quality_multiplier) + type_bonus

[Priyanshu-byte-coder]

This PR has merge conflicts with main. Please rebase your branch against the latest main and force-push to resolve. Run: git fetch upstream && git rebase upstream/main

[Priyanshu-byte-coder]

This PR has merge conflicts with the current main branch. Please rebase your branch onto main, resolve the conflicts, and force-push. Once conflicts are resolved and the PR is marked as mergeable it will be reviewed for merging.

[Priyanshu-byte-coder]

This PR has developed merge conflicts after recent merges to main. Please rebase onto the latest main branch, resolve all conflicts, and force-push. Once the PR is conflict-free it will be reviewed for merging.

[Priyanshu-byte-coder]

This PR has merge conflicts with main. Please rebase:

git fetch origin
git rebase origin/main
# fix conflicts, then:
git push --force-with-lease

[Priyanshu-byte-coder]

This PR has merge conflicts. Please rebase on the latest main to resolve them — the feature/fix is approved for GSSoC scoring.

[Priyanshu-byte-coder]

This PR has merge conflicts with main. Please rebase to unblock it:

git fetch origin
git rebase origin/main
# resolve conflicts, then:
git push --force-with-lease

[Priyanshu-byte-coder]

This PR has merge conflicts with main — please rebase:

git fetch origin
git rebase origin/main
# Resolve any conflicts, then:
git push --force-with-lease

[Priyanshu-byte-coder]

This PR has merge conflicts with main due to recent changes. Please rebase to continue:

git fetch origin
git rebase origin/main

Once you resolve the conflicts and CI passes, we can review for merge.

[Priyanshu-byte-coder]

Hi! This PR has merge conflicts with the main branch. Could you please rebase or merge main into your branch to resolve them? We'd love to get this merged! 🚀

git fetch upstream
git rebase upstream/main
# resolve any conflicts
git push --force-with-lease

If you're no longer working on this, let us know and we can close it. Thanks!

[Priyanshu-byte-coder]

This PR has merge conflicts with the main branch. Please rebase your branch on latest main and resolve the conflicts so it can be reviewed and merged.