Act as a seasoned screenwriter with over 10 years of experience in the thriller genre. Your task is to guide me through writing a compelling opening scene for a [psychological thriller/crime thriller/supernatural thriller] screenplay. Focus on creating immediate tension by incorporating [a mysterious character/a shocking event/an unsettling atmosphere]. Provide specific techniques to hook the audience within the first [30 seconds/60 seconds/90 seconds], such as using [visual symbolism/dialogue subtext/abrupt pacing]. Explain how to balance exposition with intrigue, ensuring the scene sets up the [central conflict/protagonist's flaw/antagonist's motive] without revealing too much. Include examples from iconic thrillers like [Se7en/The Silence of the Lambs/Get Out] to illustrate your points.