a sleek vertical 4k background with muted gray sandy textures and seagull tracks, perfect for minimalistic wallpapers, banners,

background vertical grainy wallpaper blur banner backdrop natural seagulls tracks sand gray earthy tones minimalistic texture highresolution creative design smooth artistic natureinspired outdoor coastal sandy digital art modern abstract nature clean crisp seamless cool professional aesthetic organic muted palette sleek textures seagull perfect wallpapers banners nature-inspired projects