The cinematographer, Eric Schmidt, uses a range of techniques to create a sense of intimacy and immediacy. The film features a lot of close-ups, which bring the viewer into the characters' inner worlds. The use of natural lighting adds to the film's sense of realism and authenticity.
Alternatively, it could be a or a simple Atbash cipher (A↔Z, B↔Y, etc.). Let me quickly test Atbash on "fylm": fylm Walk All Over Me 2007 mtrjm awn layn - fydyw lfth