Analysis to the Opening Sequence of Insomnia

Conventions or Techniques used in this opening:
-Use establishing shot to set the scene (wide pan over icy waters)
-Have simple titles (black and white, simple font) that fade in and out and overlap
-Have blurred focus on some shots and titles
-Have extreme close ups (which are enigmatic and slightly disorientating)
-Simple masculine white, black and blue colour scheme
-Red blood to signify horror/thriller genre
-Music - tense, long notes, threatening, builds up, bass, increasing beat/pace, no dialogue