Feat: UI corrections

[Alessandro100]

closes #720 Summary:

Various UI / UX changes mainly on the landing page

• The header links can now "open in new tab"
• The header logo + text is now aligned
• The landing page has new headline text + animation
• landing page mobile styling has been fixed
• text changes on landing page and faq

Expected behavior:

All styles should look good on all browsers and all responsive formats

Testing tips:

Go on the landing page with any browser, assure all the styles at any responsive size looks good

Please make sure these boxes are checked before submitting your pull request - thanks!

• [ ] Run the unit tests with ./scripts/api-tests.sh to make sure you didn't break anything
• [ ] Add or update any needed documentation to the repo
• [X] Format the title like "feat: [new feature short description]". Title must follow the Conventional Commit Specification(https://www.conventionalcommits.org/en/v1.0.0/).
• [X] Linked all relevant issues
• [X] Include screenshot(s) showing how this pull request works and fixes the issue(s)

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