Step inside a glacial ice cave and the physics does the art direction for you. Centuries of pressure squeeze the air out of the ice; the dense, bubble-free crystal swallows every long wavelength and lets only short blue light escape. The walls glow a vivid compressed cyan while the cave interior stays sunk in cold shadow.

Glacier Ice Cave builds an interface from that single optical fact: a deep teal-navy ground, luminous cyan surfaces, and light that reads as emitted from within the ice rather than cast onto it. Never a light page — always the dark-to-luminous contrast that makes ice appear lit from the inside.