Minimalist Arc Light Wallpaper

Clean black wallpaper featuring a semi-circular arc of light in red and blue, smooth gradient, minimalist and modern design, perfect for a sleek smartphone background --ar 9:16 --v 6.1 Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.