The gentle girl holding a pen and smiling lightly in the classroom

smartphone camera. 26mm equivalent. natural realism, clean indoor lighting, candid photo. A young adult woman crouching in a classroom, smiling softly toward the camera while holding colorful whiteboard markers.. young adult. female. gentle smile, relaxed and confident. crouching near a desk, body turned slightly sideways, looking toward camera. long, wavy brown hair. brown. fair with natural texture. natural makeup, soft facial features. fitted long sleeve white blouse. short black skirt. black high heels. smart casual / classroom attire. classroom. school classroom interior with desks and chalkboard. green chalkboard with math formulas and diagrams, wooden teacher podium, classroom desks and chairs. daytime indoor. soft indoor lighting. even illumination, natural skin tones, soft shadows. low-to-mid angle. sharp focus on subject. moderate, clear background. minimal. casual, academic setting, natural candid moment