Confused About $0 Regular CTC but $2,738 Additional Child Tax Credit on Transcript - Is This Normal for Two Kids (7 & 12) on $65K Income?

I just got my transcript back and I'm confused about the Child Tax Credit situation. I received the Additional Child Tax Credit but didn't get the regular Child Tax Credit. According to my 2024 Child Tax Credit Summary from FreeTaxUSA, I have: Child Tax Credit or the Credit for Other Dependents: $0 Additional Child Tax Credit: $2,738 The summary shows "See Form 8812 to see how we calculated your Child Tax Credit" with a "View" option. It also states "These dependents qualify for the Child Tax Credit" and mentions "If you need to review your dependent information, go back to the Your Dependents and Qualifying Children screen." Has anyone else experienced this? My kids are 7 and 12, and I claimed them both as dependents. Made about 65k last year if that matters. I'm really confused why I'd get the Additional Child Tax Credit but $0 for the regular Child Tax Credit. I thought both my kids would qualify for the regular credit too since they're under 17. Is this normal or did something go wrong with my filing?