Elegant Tropical Foliage Botanical Banner

wide botanical banner illustration with layered tropical foliage along the bottom edge and rising on both sides, large monstera leaves with split lobes and holes, delicate palm fronds and fern-like leaves in translucent watercolor washes, ample empty warm off-white space in the upper center for copy, soft hand-painted textures, overlapping semi-transparent leaves, minimal clean composition, subtle gradients, airy tropical greenery, elegant decorative border, no text, no watermark