BoonEx
Yep, lovely ideas. Colors may bring a lot of nice, but gradually increasing transparency for black text, coupled with diminishing font size for every new "level", all with only slight indentation might work, actually.
 
 
Below is the legacy version of the Boonex site, maintained for Dolphin.Pro 7.x support.
The new Dolphin solution is powered by UNA Community Management System.
PET:0.16279697418213