Help: Action / neck adjustment help needed.

Hi all, I’ve had my Axis for a few years now, and it’s played great, but lately I’ve noticed that the action feels like it’s getting higher and higher. I haven’t done a thing to the bridge, and the neck curvature looks fine. Is there any other reason this would happen? Pic attached. I adjusted the truss rod before using that ruler, because I just assumed that was the problem, and just eyeballing it, it did seem to have a bit of curvature, but after adjusting (clockwise) it almost felt worse. The guitar detuned, which I thought was odd. If anything wouldn’t it raise the pitch being that there would be more tension? Anyone able to help?

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