Vertical editorial product photograph of a premium mineral sunscreen for the fictional sun-care brand "DUNA". A sleek minimalist cylindrical bottle in matte warm sand-beige with a smooth domed bone-white cap, standing upright with its base partially sunk into soft rippled dune sand. Around the middle of the bottle, a clean matte label prints tone-on-tone in soft warm bronze with widely-letterspaced serif capitals "DUNA" and beneath it, in small refined italics, "Invisible Mineral SPF 50". The bottle leans very slightly against a piece of smooth sun-bleached driftwood — pale silvery-grey, weathered and softly rounded — half-buried in the sand beside it. Pale golden dune sand fills the lower third of the frame in soft wind-rippled ridges, running off both bottom corners, with fine loose grains scattered across the surface and a small scooped drift of sand gathered at the base of the bottle. Behind it, a seamless warm oat-and-sand studio backdrop, high-key and airy, lit by a single low warm directional key light like late-afternoon desert sun from the left, casting a soft glowing pool of golden light and long gentle warm shadows that fall off to soft caramel in the corners. Monochromatic warm palette of pale sand, oat, bone, soft gold and warm beige; crisp focus with fine grainy sand texture, smooth matte packaging, and weathered driftwood grain; bright airy high-end minimalist sun-care aesthetic, warm medium-format studio photography look. A small pale sand-coloured gecko clings to the side of the bottle, tail curling, perfectly camouflaged against the beige.