TikTok Video Cover Thumbnail

TikTok video cover thumbnail in {format: 9:16 vertical mobile format (1080x1920)}.

Visual Content:
- {main_visual: Close-up face shot with {expression: surprised/excited expression}}
- {composition: Face fills 60% of frame, looking at camera}
- {lighting: Bright, high-energy lighting}
- {background: {bg_style: Vibrant solid color or trending gradient}}

Text Overlay:
- {headline: Bold attention-grabbing text}
- {text_position: Top third or middle of screen}
- {font_style: Ultra-bold sans-serif, all caps, 72-96px}
- {text_color: High contrast - white with black outline or neon colors}
- {text_effect: Slight rotation, shadow, or glow effect}

Energy Level:
- {mood: High energy, exciting, curious, shocking}
- {color_saturation: Increased 20% for pop}
- {brightness: Slightly overexposed for visibility}

Platform Elements:
- {safe_zones: Avoid bottom (UI elements) and top (text overlays)}
- {thumbnail_text: Max 5-7 words, readable at small size}
- {hook_factor: Creates "I need to watch this" feeling}

Style: {aesthetic: Bold, trendy, scroll-stopping, mobile-first, viral potential}