One feature I've looked for is "completely" nested mind-maps. What I mean is that when I click on a node, I want the outer mind map to completely disappear as I

One feature I've looked for is "completely" nested mind-maps. What I mean is that when I click on a node, I want the outer mind map to completely disappear as I zoom into the clicked node as an entirely new, nested mind-map. Even with collapsing, traditional mind-maps have too much information overload for me.