A flat 2D graphic design for a long horizontal panoramic signage banner, ultra-wide aspect ratio 3:1. The background is a breathtaking macro photograph of sharp geometric crystal facets and ice structures, reflecting deep graphite-black, emerald green, and cold neon-blue light. In the center, there is a clean modern typography text that reads "УБОРКА ПОД КЛЮЧ", with the letter "О" stylized as a minimal keyhole with a tiny key symbol. Elegant, high-contrast, premium tech style, isolated print template on pure black backdrop, front view, no mockups, no environment --ar 3:1
