Fix a React navigation bug (mobile only) and display issue in first and last sections

I am looking for a React developer who can help me fix a navigation bug and display issue in my landing page (when open it from mobile phone). The bug specifically affects the navigation, causing it to not display correctly in both the first and last sections of the app. This issue occurs on both IOS and Android devices.

Skills and experience required:
- Strong proficiency in React
- Experience with mobile app development
- Knowledge of navigation systems in React
- Familiarity with debugging and troubleshooting in React
- Attention to detail and ability to fix display issues

If you have the necessary skills and experience, please bid on this project.