feat: redesign blog search with real-time suggestions and tags filtering

[mrdeyroy]

Description

This PR completely redesigns the blog search experience to make it highly interactive and user-friendly. The motivation behind this change is to eliminate the friction of manual search submissions by providing real-time, grouped search suggestions (categorized into articles, tutorials, and tags) directly within a dynamic dropdown. It also modernizes the UI to match standard layout aesthetics, moving the search functionality seamlessly into the hero section.

Fixes #1637

Type of Change

• New feature (e.g., new page, component, or functionality)
• Bug fix (non-breaking change that fixes an issue)
• UI/UX improvement (design, layout, or styling updates)
• Performance optimization (e.g., code splitting, caching)
• Documentation update (README, contribution guidelines, etc.)
• Other (please specify):

Changes Made

• New BlogSearch Component: Built a debounced (300ms) live search input that groups dynamic results into Articles, Tutorials, and Tags.
• Hashtag Search Implementation: Added support for searching exclusively by tag/category by prefixing the search query with # (e.g. #netflix).
• Keyboard Accessibility: Handled ArrowUp, ArrowDown, Enter, and Escape for seamless navigation within the dropdown search results.
• Layout Improvements: Integrated the new component securely in the Hero section and fixed underlying z-index stacking contexts to prevent clipping over the "Explore Articles" container.
• Code Cleanup: Removed all old unused form search logic and obsolete .blog-search-* CSS from index.tsx and blogs-new.css.

Dependencies

• List any new dependencies or tools required for this change.
  • No new NPM packages were added. (Utilized existing @docusaurus/router for history pushes).
• Mention any version updates or configurations that need to be considered.
  • No version updates necessary.

Checklist

• My code follows the style guidelines of this project.
• I have tested my changes across major browsers and devices
• My changes do not generate new console warnings or errors .
• I ran npm run build and attached screenshot(s) in this PR.
• This is already assigned Issue to me, not an unassigned issue.

---

Screen Shots:

BEFORE:

AFTER:

Keyword Suggestions:

TAG Filter:

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[github-actions]

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[github-actions]

✅ Synchronized metadata from Issue #1637:

• Labels: level 1, recode, Enhacement, high priority, gssoc:approved
• Milestone: None

[mrdeyroy]

@sanjay-kv I hope it met your requirements. Please check if any changes needed!

[vercel]

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Project	Deployment	Actions	Updated (UTC)
recode-website	Ready	Preview, Comment	May 23, 2026 2:36am

[sanjay-kv]

@mrdeyroy this is perfect implementation. Awesome.