Ranged auto-attacks now deal reduced damage to targets closer than 250 units

Obviously the exact amount would be subject to balance iteration. Some champs would probably be except. This would require a pretty massive overhaul to Marksmen, but it would likewise go a long way in making melee folks feel less punished. For this to work, champs like Jayce would probably need a longer cooldown on their mode-swap to make punishing him more workable as well.