Footer buttons should be white, not red

[SherlockH0]

Summary
The website footer currently displays red buttons. Design guidelines specify white buttons in the footer.

Steps to Reproduce

1. Open any page on the portfolio site
2. Scroll to the footer
3. Observe button styling

Expected Behavior
Footer buttons use a white fill with appropriate contrast (e.g., dark text/icons), including hover/focus states.

Actual Behavior
Footer buttons appear with a red fill.

Additional Notes
• Ensure accessible contrast ratios (WCAG AA)
• Update hover/focus/active styles accordingly
• Check dark mode, if applicable

Attachments
Please add any screenshots if needed.