Hi there
You should set a hba1c with your team, don't lower it too quickly as it can put pressure on your body and cause problems (eye issues for me which I wouldn't wish on anyone, numerous eye injections are not fun) mines went from 101 to 33 though so just take things slowly
I believe at the moment target for Type 1's is 48 or lower but it isn't a good way to track your control really as a good hba1c can be obtained with high spikes if your spending a lot of the time low and you don't really want to be having high spikes so they are leaning more towards if people are using things like the Libre or CGM's of Time In Range, I think that's a target of at least 70% in range, less than 4% below and minimize above
Control can be easy but it takes times and things will change over time and you'll still have days where you don't know whats going on years later, first establish the correct basal dose for you working closely with your diabetes team, nothing else will work as it should unless your basal is as close to perfect as it can be, then work on establishing your own insulin to carb ration (how much g carbs 1 unit of insulin covers for you) this does mean weighing your food and calculating the carbs but its easy to do, I self taught less than a month into diagnosis, testing - test before eating and then 2 hours after, if you see a spike try altering the timing you inject to see if you can stop the spike, some foods spike fast (sweeter things, breads, mashed potatoes etc) whereas others may take longer, fat plays a major part too, you can lessen the impact if you have a little fat along side it for instance
What insulins are you using at the moment? Do you have any more specific questions you'd like help with?
xx