Wide tracking shot of a person in casual loungewear walking through a clean interior doorway threshold in a modern apartment. The camera captures the exact moment crossing from the hallway into the adjacent bedroom space, highlighting spatial transition and the reset of working memory.. Spatial layout: человек шагает сквозь вертикальный дверной проем из коридора в комнату с кроватью.. Context markers: casual everyday clothing, standard household furnishings. The complete visual composition—including all primary subjects, secondary supporting elements, boundaries, and environmental contours—must sit comfortably inside the canvas with generous clean white negative space visible on all four sides (target 8-12% margins, minimum 6%). The entire visual assembly must occupy maximum 80% canvas height and 84% canvas width. Nothing touches or crosses any canvas edge. Do not crop the primary subject. Clean isolated 2D explainer composition against pure white/off-white background. hand-drawn 2D explainer cartoon illustration, confident clean black outlines, flat cel-style colors, simplified readable forms, soft minimal shading, clear focal hierarchy, clean educational YouTube illustration, no photorealism, no 3D rendering, no typography, no text, no watermarks
