Just took off in the CRJ700 for the first time. Climbing out of KGJT, the aircraft would not climb properly at all. Indicated speed was around 200 Kts, but it only maintained a nose-up attitude of about 15 degrees and climbing extremely slowly, on the order of like 200FPM. I tried everything I thought of to get out of this situation: thrust lever position, flaps, spoilers, elevator trim, etc. But to no avail. According to the EFB my CG was 18.1% - I didn't mess around with the loads heels in any