Design an open-concept, modern office space filled with abundant natural light streaming through floor-to-ceiling windows. Incorporate lush greenery with indoor vertical gardens, hanging plants, and a central living tree that serves as a calming focal point. Use organic materials like reclaimed wood desks, bamboo flooring, and stone accents throughout the workspace. Include natural elements such as water features or rock formations to enhance tranquility. Show employees collaborating in this harmonious environment that seamlessly blends indoor and outdoor elements. Render the scene in ultra-realistic detail with warm, inviting colors and soft, natural lighting.