a bold vertical 4k background with deep golden sandy textures, featuring seagull tracks, ideal for wallpapers, banners, and nature

background vertical grainy wallpaper blur banner backdrop natural seagulls tracks sand golden earthy tones minimalistic texture highresolution creative design smooth artistic natureinspired outdoor coastal sandy digital art modern abstract nature clean crisp seamless bold warm professional aesthetic organic desertinspired deep textures featuring seagull ideal wallpapers banners nature-inspired designs