Build a bold app marketing graphic in the Format. Center a dimensional shield emblem with the Shield Finish, standing upright against the Granite Background. Use dramatic directional lighting to reveal the shield's bevels, brushed metal texture and crisp silhouette, with a controlled shadow anchoring it to the surface. Place the Headline prominently near the top or beside the shield in a heavy modern sans-serif typeface. Render the Headline exactly as written, with clean letterforms and generous spacing. Apply the Color Palette consistently across the shield, typography and background, keeping the composition restrained and high contrast. Leave enough negative space around the headline for fast mobile readability. The result should feel authoritative, secure and suited to an app protection campaign. Ensure all text is correctly spelled and fully legible.
Use these details:
Shield Finish: "metallic gold"
Granite Background: "dark charcoal granite with subtle natural veining"
Color Palette: "metallic gold, deep navy and charcoal gray"
Headline: "Your Data. Protected."
Format: "4:5 Instagram post"
