A1 lighting goes from 'pink and intimate' to 'brighter and harder when the inspec arrives.
stage direction establish metaphorically how the B fam dont rlly see each other in a true light for what they rlly r. the overtly comfy + luxurious seen we see is based on abuse, lies and corruption
used to show audience that the inspec arrival is an awakening abd a figurative + literal shedding of light on the fam. foreshadows how the interrogations will change their undeserved ease and force them to be less oblivious