Generate a full detail guide on building a great company culture. The guide should be inspirational and strategic. It must include detailed sections on: 1. How to define and document your company's core values. 2. The role of leadership in modeling the desired culture. 3. How to translate values into hiring, performance reviews, and daily rituals. 4. Ideas for fostering psychological safety and open communication. 5. How a strong culture becomes a competitive advantage. Please include a supportive disclaimer.