Make the site fully responsive with sensible navigation

[Galane-dev]

Describe the bug
The site is not fully responsive and navigation is sometimes broken

To Reproduce
N/A

Expected behavior
The site should be fully responsive with fully functional and sensible navigation

Screenshots
N/A

Desktop (please complete the following information):
OS: Windows 11
Browser: Edge

Smartphone (please complete the following information):
Device: Iphone x
OS: [e.g. iOS 11]
Browser: Safari

Additional context
None