(WIP) feat: landing page new style

[urmauur]

Describe Your Changes

-

Fixes Issues

• Closes #
• Closes #

Self Checklist

• [ ] Added relevant comments, esp in complex areas
• [ ] Updated docs (for bug fixes / features)
• [ ] Created issues for follow-up changes or refactoring needed

[github-actions[bot]]

Preview URL: https://cc06029e.cortex-docs.pages.dev

[0xSage]

@imtuyethan can you do a quick diff/QA check with @urmauur ? I spot a few diffs now between our latest design revisions and this branch , i.e.

• nav bar naming
• footbar
• several designs/graphics

Thank you both!