Create a professional medical infographic titled "Les 5 stades de l'insuffisance rénale" by Dr. Mohamed Tahri. The infographic shows 5 numbered stages from 1 to 5 with medical icons and a color gradient from green to red. Stage 1: Fonction rénale normale à légèrement diminuée (DFG > 90). Stage 2: Légère diminution (DFG 60-89). Stage 3: Diminution modérée (DFG 30-59). Stage 4: Diminution sévère (DFG 15-29). Stage 5: Insuffisance rénale terminale (DFG < 15). Clean white background, modern and clear medical design, French text, elegant typography.