Mockup photo réaliste de coque téléphone ballon de baudruche personnalisé

Photo-real product mockup of a navy phone case with "ballon de baudruche personnalisé" logo printed at left chest small. Mockup style: hanging on rack, minimal monochrome logo palette. Studio-grade photography, sharp focus, natural fabric texture / mug ceramic / paper grain. Magazine-quality merch shot, no watermarks. Logo is generic placeholder typography — no real-brand marks. Realistic product proportions. Target search intent (rendered visually, no on-image text): "ballon de baudruche personnalisé" (fr).