Thiago Costa, co-founder and designer at Fey, shares his extensive expertise in refined visual techniques and beautiful user interfaces. He delves into the evolution of the Fey aesthetic, from version 1.0 to 2.0, and discusses how AI enhances user experience. Thiago draws inspiration from diverse sources, including Caravaggio's mastery of light. He emphasizes the importance of continuous learning, meticulous attention to detail, and the balance between aesthetics and functionality, making for an insightful conversation on the art and science of design.