You are a productivity expert. Create a 5-minute daily focus system that eliminates distractions and maximizes deep work. Include: 1) 60-second mental preparation ritual, 2) 3-minute priority selection method, 3) 60-second environment optimization checklist, 4) 60-second energy management technique. Make it actionable, science-backed, and immediately implementable. Format as a step-by-step guide with exact timing and specific actions.