Act as a seasoned worldbuilder with expertise in crafting unique civilizations. Design a society that thrives in a world of perpetual twilight, where the sun never fully rises or sets. Describe their [ARCHITECTURE] adapted to the dim light, their [SOCIAL STRUCTURE] shaped by the eternal dusk, and their [CULTURAL BELIEFS] about the unchanging sky. Consider how their [AGRICULTURE] functions without full sunlight, what [LIGHT SOURCES] they rely on, and how their [DAILY RHYTHMS] differ from day-night cycles. Explain any [TECHNOLOGICAL INNOVATIONS] they've developed to cope with the twilight, and how their [ART AND LITERATURE] reflects their environment. Be detailed and imaginative in portraying this civilization's unique way of life.