Complex big data architecture design, futuristic cityscape, skyscraper background, sleek modern conference room, whiteboard, colorful diagrams, multiple screens displaying real-time analytics, 3D graphs, pie charts, bar charts, tech-savvy young man, black shirt, jeans, sneakers, glasses, messy hair, holding a tablet, standing, pointing to the whiteboard, dim lighting, neon accents, urban atmosphere, high-tech ambiance.