Dark Teal Fabric with Turquoise Light

abstract close-up of dark teal green fabric or fine woven textile texture, soft diagonal beam of turquoise light sweeping from upper right toward lower center, subtle folds and shadow gradients, macro texture with visible grain and crosshatch weave, dark vignette around edges, minimal composition, no objects, no text, moody atmospheric background, high detail, soft focus transitions, cinematic low-key lighting