a soothing vertical 4k background featuring soft blue sandy textures and seagull tracks, perfect for nature-inspired wallpapers,

background vertical grainy wallpaper blur banner backdrop natural seagulls tracks sand blue soft tones artistic texture highresolution creative design natureinspired outdoor coastal sandy digital art modern abstract serene seamless calm professional aesthetic organic cool refreshing peaceful soothing featuring textures seagull perfect nature-inspired wallpapers banners projects