psychological thriller concept, haunted office, ghostly whispers, eerie atmosphere, shadowy figures, tense posture, fearful expressions, business attire, dim lighting, flickering lights, claustrophobic composition, close-up on terrified face, cold sweat, gripping chair tightly, hallucination effect, transparent apparitions, modern skyscraper interior, ominous shadows, distorted sound waves, high contrast, sharp focus, suspenseful mood.