The integration of tall title bars with toolbars is really reminding me of Gnome 3 here.
I'd pay for a well engineered macOS 11 theme for GNOME. Perhaps when GTK4 is out end of this year with support for blurred transparency shaders. Though I got to say Adwaita improved a lot recently.
I’d pay for a decent macOS keybinding theme for gnome, any price. Who gives a damn about the look, app marketers?
Heck, figure out how to let me use macOS keybindings on Windows and I'll give you a medal. The need to use (non-idiomatic, clumsy) Windows shortcuts on my MBP's keyboard is the reason I don't use Boot Camp.
Kinto might be what you’re looking for: