Banner monocromático para portadas youtube y Twitch

Multi-platform social cover banner for portadas youtube. Primary platform: Twitch channel art. Tagline: portadas youtube. Vibe: energetic creator, minimal monochrome palette. Strong visual hierarchy with the brand name + tagline rendered as clean placeholder typography. Safe zone awareness so important content stays in the visible center across crops. No watermarks. No real-celebrity likenesses. No copyrighted franchise look-alikes. Target search intent (rendered visually, no on-image text): "portadas youtube" (es).