How to Improve Email Warm-up Reputation Before Launching a Campaign

Hey guys, I launch a campaign after two weeks. For two weeks, I have warmed up my emails based on the Smartlead guidance. I am after one week, my warm-up reputation went down significantly. I don't know why. I also did spam check my copy didn't have any spam words. I also had in some snippets and everything. Can you tell me what I should do in order to improve my warm-up reputation? This is hapenning very often, I have to answer to my clients now, not sure what should I do. Super worried