Create a sophisticated Black Friday sale poster in a 16:9 landscape format, specifically targeting tech enthusiasts. The background should feature a deep, dark color (such as charcoal or navy blue), creating a moody and exclusive atmosphere, with subtle gradients that add depth and dimension to the design. Prominently feature the text “BLACK FRIDAY” at the top in a modern, sleek font (e.g., Montserrat or Futura) that conveys a sense of innovation and style. Below this, place the text “BIG SALE” in the center, also in a modern style, ensuring it captures attention with a slightly larger font size and a contrasting color (such as white or metallic silver). Incorporate high-quality product images in the foreground, showcasing the latest technology (such as smartphones, laptops, or smart home devices) with sleek lines and reflective surfaces. Ensure these images are well-lit and positioned to create a dynamic visual flow across the poster. At the bottom, position the Call-to-Action button labeled “CALL US NOW” in a minimalist design (using a clean sans-serif font like Helvetica or Arial), ensuring it contrasts sharply with the dark background. The button should have a subtle glow or outline effect to enhance its visibility and draw attention. Consider adding subtle lens flares or shadows around the product images to enhance their depth and dimension, creating a more immersive and engaging visual experience. The overall design should be polished and professional, appealing to tech enthusiasts eager for exclusive deals during the Black Friday sale while maintaining a sleek and modern aesthetic. Keywords: Black Friday poster, sophisticated design, tech enthusiasts, modern typography, high-quality product images, minimalist Call-to-Action, moody atmosphere, professional layout.