The Bianconeri go into the winter break a point behind the league leaders, having ground out a win over Cagliari in Sardinia.
“They're three important points, won at a difficult place," Pjanic told JTV.
“During the season there can be difficult moments, Cagliari are a difficult opponent with a tighter pitch than the others.
“We could have scored earlier to make the game easier. It was a nice fight and there important points to keep up.
“We've been putting in top performances for some time and we've found the solidity the Coach [Max Allegri] asked of us.
“The team is fine, we can still improve, especially in attack where we need to make fewer mistakes.
“We want to catch and pass Napoli."