body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f4f4f4;
            color: #333;
            line-height: 1.6;
        }

        header {
            background-color: #4CAF50;
            color: white;
            text-align: center;
            padding: 1em 0;
        }

        nav {
            background: #333;
            padding: 1em;
            text-align: center;
        }

        nav a {
            color: white;
            margin: 0 15px;
            text-decoration: none;
            font-weight: bold;
        }

        nav a:hover {
            text-decoration: underline;
        }

        section {
            padding: 20px;
            max-width: 900px;
            margin: auto;
        }

.visuel-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.visuel-container img {
    width: 48%;
    max-width: 100%;
    height: auto;
    object-fit: cover;
}

img.responsive-img {
    width: 100%;
    max-width: 900px;
    height: auto;
    display: block;
    margin: 0 auto;
}


        footer {
            background-color: #333;
            color: white;
            text-align: center;
            padding: 10px 0;
        }
        

        .btn {
            margin-top: 50px;
            display: inline-block;
            padding: 10px 20px;
            font-size: 16px;
            font-weight: bold;
            text-align: center;
            text-decoration: none;
            border-radius: 5px;
            transition: all 0.3s ease;
        }

        .btn-primary {
            background-color: #4CAF50;
            color: white;
            border: 2px solid #4CAF50;
        }

        .btn-primary:hover {
            background-color: white;
            color: #4CAF50;
        }

        .btn-secondary {
            background-color: white;
            color: #4CAF50;
            border: 2px solid #4CAF50;
        }

        .btn-secondary:hover {
            background-color: #4CAF50;
            color: white;
        }


        @media (max-width: 600px) {
            nav a {
                display: block;
                margin: 10px 0;
            }
        }


@media (max-width: 768px) {
    .visuel-container {
        flex-direction: column;
    }

    .visuel-container img {
        width: 100%;
    }
}


#popup {
  position: fixed;
  z-index: 9999;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px; /* pour laisser respirer sur mobile */
  box-sizing: border-box;
}

/* Contenu scrollable */
.popup-container {
  position: relative;
  background: white;
  max-height: 90vh;
  overflow-y: auto;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
  z-index: 10000;
  font-family: 'Helvetica Neue', sans-serif;
  width: 100%;
  max-width: 600px; /* limite la largeur sur desktop */
  box-sizing: border-box;
}

.popup-close {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 28px;
  cursor: pointer;
  color: #888;
}

  .popup-content h2 {
    margin-top: 0;
    font-size: 24px;
    color: #333;
  }

  .popup-content p {
    font-size: 16px;
    margin-bottom: 20px;
  }

  .popup-btn {
    display: inline-block;
    background-color: #ee7304;
    color: white;
    padding: 12px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
  }

  .popup-btn:hover {
    background-color: #007bb5;
  }
        
 .btn-popup-bordeaux {
  background-color: #009fe3;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 16px;
  margin-top: 20px;
  cursor: pointer;
  font-weight: bold;
}
.btn-popup-bordeaux:hover {
  background-color: #007bb5;
}