fix: simplify llm guide presentation

[janekbaraniewski]

Summary

• simplify the LLM landing page so it reads like a plain answer page instead of a separate microsite
• remove visible guide links from the homepage while keeping the page available by direct URL, sitemap, and llms files
• keep the guide visually aligned with the main site without extra cards, nav chrome, or CTA noise

Changes

• rewrite the guide markup into a minimal single-column article
• replace the guide CSS with a stripped-down layout and typography treatment
• remove the guide link from the homepage nav, hero, and footer

Test plan

• cd website && npm run build
• verify the guide renders as a simple article locally
• verify the homepage no longer shows guide entry points

🤖 Generated with Claude Code

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None