Am I being punished? heart feels dead

In advance, I'm new to this and I'm coming here out of desperation so sorry if I break any rules or whatever. I'm sitting here crying because my heart just doesn't feel full anymore. I committed some sins a while ago and even after repenting my heart just feels dead. I listen to the Qur'an and I don't shiver anymore. I can't focus in prayer and I don't cry anymore and end up having to make Sujood of forgetfulness almost every time. I feel awful and I just don't know anymore. I'm scared because I don't want my heart to be hard. I want it to be soft like it was before but I just don't feel the same. I know Allah has not abandoned me but I'm asking if this is a test or if this is a punishment for the sins which I have committed. I just feel like my heart has just started to drift from the light. I feel nothing in prayer and that makes me feel awful. so, is this a test? or is this a punishment? edit: Thanks to the people who responded! today I noticed that I started to feel a bit better and had more concentration in my prayer. I was just in fear because I knew I was the only one to blame for my hearts state and was afraid that it was a punishment. Will be sure to stay steadfast and do my best