A 64-year-old man with type 2 diabetes and chronic kidney disease (eGFR 52 mL/min/1.73 m²) is reviewed in primary care. His automated office blood pressure, measured correctly on three separate visits, averages 128/76 mm Hg on an angiotensin receptor blocker and lifestyle measures. According to current Hypertension Canada guidance, what is the most appropriate blood pressure target for this patient?