Scandi-minimal studio portrait of an adult person; straight hair with a clean center part; no glasses; outfit: muted blue crewneck sweatshirt, no logos; pale cool-gray seamless backdrop; soft Rembrandt lighting with gentle fill; 105 mm macro-sharp. Expression: calm and approachable, subtle closed-mouth smile. Framing: 3:4 portrait, mid-chest-up, centered, eye-level, front view; no props.