Design a seasonal overlay system that adapts the core campaign identity of [Company] for peak periods (e.g., [SeasonalEvent]) without diluting recognition. Maintain fleet/depot consistency while adding festive cues appropriate for [Region].
Output format (use headings exactly):
Seasonal Strategy (≤120 words).
Overlay Elements: motifs, textures, motion cues; do/don’t.
Color Harmony: limited seasonal palette mapped to core HEX/Pantone.
Asset Swap Matrix: which items change on vehicles, depots, digital, uniforms.
Production Timeline for [Timeframe] with critical paths.
Localization Rules for [Languages] and cultural sensitivities.
Measurement Plan tied to [KPI] (e.g., engagement, NPS uplift).
Deliver two intensity levels (subtle vs bold) with mockup lists for trucks, containers, hero banners, and app splash screens.