Congrats, you've done a great job with your puppy!
Many people simply move to working in-person group clicker training classes, or now with COVID opt to do online/virtual training classes.
A good next step is the film Attention is the Mother of All Behavior and the book When Pigs Fly. The book When Pigs Fly is a comprehensive training manual that covers the skills in basic training classes, and then some - including addressing some common behavior problems.
If you're interested in showing your dog, you can start working through our Show Training Series at this point as well.