A cinematic retro-futuristic sci-fi adventure scene in a vertical 2:3 composition. A colossal devastating dieselpunk combat mech stands at rest in the center of a dusty wasteland battlefield, towering over the viewer from a low-angle perspective. The mech has a massive rounded spherical torso with a large open circular cockpit hatch in the middle, thick armored legs, oversized mechanical arms, visible bolts, rivets, hydraulic joints, exhaust pipes, rust streaks, worn camo style paint, orange-brown weathering, battle damage in the armour, heavy 6 barrelled barrel Gatling style weapons mounted on its arms and rocket pods on the shoulders. spent cannon casing lie on the ground A young petite female pilot sits casually in the open cockpit hatch drink bottle in hand, framed by the circular opening. She wears an orange diesel-punk mech suit and has blonde messy hair. Her pose is relaxed but confident, she is resting from piloting the mech her legs hang from the cockpit. The background shows a hazy post-apocalyptic battlefield with dry grass, dust, smoke, distant rows of ruined poles, silhouettes of friendly soldiers far behind the mech in the distance, and a pale blue sky with soft clouds. The scene feels like a 1970s sci-fi movie still mixed with dieselpunk concept art and gritty cinematic realism. Style: highly detailed cinematic realism, retro sci-fi film still, dieselpunk mech design, weathered metal texture, rust, worn paint, realistic lighting, dusty atmospheric haze, shallow depth of field, dramatic low-angle composition, muted teal and orange color palette, soft film grain, natural sunlight, epic scale, intricate mechanical detail,