Should i do cardio everyday?

im 16 years old and i would like to gain muscle and burn fat at the same time so ive been lifting for over a year now and have a good built body, now i would like to cut some fat off!!! i do 20 mins of cardio after i lift and i lift 4days a week but i dont do the extreme diet plans like eat this many grams of protein,carbs,fats etc, i eat whatever i can grab from fast food 1-2 times a week to sleeping in and skipping breakfast(rarely) i just want to know if i should get on those diet plans of eating just rice,grains,tuna,turkey,sweet potatoes, etc and do 20 minutes of cardio daily. to get super lean but i dont also want to be a bodybuilder so that is why i dont do the xtreme diets. anyone help plz i need guidance!!!!!