sci-fi poster design — centered composition, diagonal composition, rule-of-thirds layout

A cinematic science-fiction movie poster centers on a bearded man in a heavy dark coat standing before a massive circular metal doorway, surrounded by a cluster of smaller character portraits on the right, all wrapped in cold mist and falling snow. The background is a dim industrial interior, its steel surfaces fading into teal-tinted darkness. Dominating the left and center background, a huge riveted circular hatch, like a train or vault door, glows with icy white light at its rim. In the center of the frame, the central man stands from the knees up, facing the viewer with a grim, resolute expression. He is an adult man in his thirties with short dark hair, a full dark beard, and light skin reddened by cold. He wears a long, heavy charcoal wool overcoat, its fabric worn and dusted with snow, over a dark zippered layer. In his right hand, held down at his side, he grips a large fireman's axe, its steel head catching a cold highlight. On the right side of the frame, a vertical stack of smaller portraits overlaps: near the top, an older bearded man with round spectacles gazes to the left. Below him, a bald middle-aged man in a dark uniform holds a megaphone to his mouth. Further down, a woman in a white uniform with glasses holds a small card and looks toward the viewer, and behind her a uniformed officer's peaked cap is visible. An adult man in his thirties swings a sledgehammer overhead, his face twisted with effort. In the lower-right area, a woman with a headscarf clutches a small adult person in their twenties with curly hair to her chest, both staring out with weary eyes. At the bottom-right corner, a long-haired man with a thin goatee looks directly at the viewer. Across the lower third of the frame, the foreground is a snow-covered curved metal surface, like the roof of a train, sweeping diagonally with wind-blown snow streaming across it. Snowflakes and ice particles drift through the air across the whole composition. Spanning the middle of the poster, a title in thin, widely letterspaced white uppercase letters stretches across the figures, represented by the placeholder "TITLE". The lighting is cold and backlit, with the glowing hatch rim-lighting the central figure while the portraits on the right emerge from layered shadow and steam. Soft blue-white highlights edge the snow, the axe head, and the characters' faces. The palette is desaturated and wintry: steel gray, glacial teal, and dirty white, with the dark coats and warm skin tones of the characters providing the only contrast. Overall the poster feels vast and oppressive yet human, balancing the monumental frozen machinery against the crowded, anxious faces of its people.