Minimalist Abstract Linen Texture Background

minimal abstract vertical background, close-up of coarse woven linen canvas texture, visible crosshatch fibers and subtle irregular grain, smooth vertical gradient from deep navy blue at the top through rich teal and cyan in the middle to pale icy blue-white at the bottom, slightly mottled pigment like dyed fabric or watercolor on canvas, no objects, no text, edge-to-edge texture, soft even illumination, high detail tactile surface, calm atmospheric design