Nano Banana Pro X Header Image Generation Prompt (21:6 Aspect Ratio)

# ===== USER CONTROLS =====
title_text: "<<YOUR_TEXT>>"
title_style_preset: "cool" # cool, cute, cool_cute, luxury, pop, cyber, minimal, retro, kawaii
face_zoom: "off" # off, on

subject: >
Create a 21:6 wide banner using the provided reference image content.
The primary face must be centered inside an invisible safe zone (not drawn),
and a title logo (derived from title_text + title_style_preset) must be placed inside the same safe zone.

composition: >
Aspect ratio 21:6.
Invisible safe zone (DO NOT draw it):
- Left margin: 15% of width
- Right margin: 15% of width
- Top margin: 16% of height
- Bottom margin: 16% of height
Keep the entire face AND the entire title logo fully inside this safe zone.
Background may extend to the edges.

action: >
Place the reference image content with maximum fidelity.
Auto-crop/scale/reposition to fit a 21:6 banner with no stretching.
Detect the primary face (if multiple faces, pick the largest/most prominent).
Center the primary face within the safe zone both horizontally and vertically.
Never crop off the face/eyes; keep the full face comfortably inside the safe zone (not near edges).

Face zoom behavior:
- If face_zoom is OFF: keep the original framing as much as possible while still centering the face in the safe zone.
- If face_zoom is ON: zoom/crop to a bust-up portrait centered on the face
(head and shoulders visible; include upper chest; do no