[Noctem]

Wouldn't it be problematic to takeoff from an uneven surface? It seems like it would generate more lift from the side with higher ground and end up taking off diagonally, perhaps crashing in the process. Is there a way to compensate for that?

[nether]

Yes, cyclic control alters the lift distribution within the rotor disk: https://en.wikipedia.org/wiki/Helicopter_flight_controls#Cyc.... The pilot would apply force to the cyclic to negate any non-uniform ground effect force.