A bold geometric abstract aurora borealis composition featuring oversized mountain silhouettes, angular ice crystal forms, and cascading northern light streams in explosive electric green, bright cosmic violet, and electric cyan against deep arctic night black and midnight navy, transparency overlays creating ethereal depth, Bauhaus-inspired polar landscape layout with clean vector edges on textured aged explorers journal paper, sharp hot and cold color contrast, mystical Arctic wilderness mood, sharp angular mountain peaks meeting curved flowing aurora curtains, dramatic warm northern lights glow meeting cool frozen tundra shadows, modernist poster aesthetic meets Nordic nature heritage, infinite yet frozen, polar wonder captured in geometric precision