My problem is solved. While pins 3 & 4 are inputs, they are also USB control, so after reviewing the Trinket documentation again, using pins 0 & 2 for my button inputs and changing my LEDs to 1, 3 & 4 has resolved the issue.
My problem is solved. While pins 3 & 4 are inputs, they are also USB control, so after reviewing the Trinket documentation again, using pins 0 & 2 for my button inputs and changing my LEDs to 1, 3 & 4 has resolved the issue.