Trouble with triggers and variables

Hi all! Fairly new to Storyline, having a bit of trouble with something. I have a module where I want the learner to navigate through 6 sections in whatever order they want before continuing onto the next portion. So, on a navigation page I have six buttons that will lightbox one of the sections. I also have a set of 6 boolean variables tracking which buttons the learner has clicked on. They're set to False initially and have a trigger set to change them to True when the learner clicks the corresponding button.

Furthermore, there's a layer with a button to continue that should appear once the learner has viewed all six sections. To do this, when the learner clicks on any button, I have triggers checking if the other 5 variables are already set to True. If so, it should show the other layer.

Now, the problem is that the layer isn't showing up even after all 6 buttons are clicked. Moreover, while I was troubleshooting this, I tried testing the individual trigger/variable pairs by setting up a test layer that should show up when any button is clicked, but even that doesn't seem to be working (not included in the file here). I'm sure I must be missing something obvious here; I'd appreciate any help.