* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: Arial, sans-serif; background: #f9f9f9; }
header { background: #2c3e50; color: white; padding: 20px; }
header h1 { display: inline; }
nav { float: right; margin-top: 10px; }
nav a { color: white; text-decoration: none; margin-left: 20px; }
main { max-width: 1200px; margin: 20px auto; padding: 20px; }
.grille-produits { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.produit-card { background: white; border-radius: 8px; padding: 15px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); text-align: center; }
.produit-card img { max-width: 100%; height: 200px; object-fit: cover; }
.prix { font-size: 1.2em; margin: 10px 0; }
.barre { text-decoration: line-through; color: #999; margin-right: 10px; }
.promo { color: #e74c3c; font-weight: bold; }
.btn { background: #3498db; color: white; padding: 10px 20px; border: none; border-radius: 5px; cursor: pointer; text-decoration: none; display: inline-block; }
.btn:hover { background: #2980b9; }
footer { background: #2c3e50; color: white; text-align: center; padding: 15px; margin-top: 30px; }