Mobile Header/Navigation area too big

The area the logo resides in on vertical mobile phones has too much empty space below the logo. I am using the type 3 header… I noticed with type 1 we have the ability to control height but that appears not to be an option with type 3. Anyway, I’d like to reduce the empty space between the logo and the navigation drop down on mobile only. It looks great as it is however, on pc and tablet. link to site: https://thebarkingbooth.com