/* Reset et base */
  * {
    box-sizing: border-box;
  }
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0; padding: 0;
    background-color: #e8f4fc;
    color: #034a78;
  }
  a {
    color: #0288d1;
    text-decoration: none;
  }
  a:hover {
    text-decoration: underline;
  }

  /* Conteneur principal */
  .container {
    max-width: 1000px;
    margin: 30px auto;
    background-color: #f4fbff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(2, 136, 209, 0.2);
    padding: 30px 40px;
  }

  /* Titre principal */
  h1 {
    text-align: center;
    color: #015d9c;
    margin-bottom: 25px;
    font-weight: 700;
    font-size: 2.8rem;
  }

  /* Section produit */
  .product-overview {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
    align-items: center;
  }
  .product-image {
    flex: 1 1 350px;
    text-align: center;
  }
  .product-image img {
    max-width: 100%;
    border-radius: 15px;
    box-shadow: 0 4px 10px rgba(2,136,209,0.3);
  }
  .product-details {
    flex: 1 1 550px;
  }
  .product-details p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 18px;
  }

  /* Liste des avantages */
  .features {
    background-color: #d6ebfa;
    border-radius: 10px;
    padding: 20px 25px;
    margin-bottom: 40px;
  }
  .features h2 {
    color: #0277bd;
    margin-bottom: 15px;
    font-weight: 600;
  }
  .features ul {
    list-style: none;
    padding-left: 0;
  }
  .features ul li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 14px;
    font-size: 1rem;
  }
  .features ul li::before {
    content: "✔";
    position: absolute;
    left: 0;
    color: #0288d1;
    font-weight: 700;
  }

  /* Section technique */
  .technical {
    margin-bottom: 40px;
  }
  .technical h2 {
    color: #0277bd;
    font-weight: 600;
    margin-bottom: 20px;
  }
  .technical table {
    width: 100%;
    border-collapse: collapse;
    background-color: #e1f0ff;
    border-radius: 8px;
    overflow: hidden;
  }
  .technical th, .technical td {
    padding: 15px 18px;
    text-align: left;
    border-bottom: 1px solid #b3d4fc;
  }
  .technical th {
    background-color: #c3defd;
    color: #014a75;
  }
  .technical tr:last-child td {
    border-bottom: none;
  }

  /* CTA bouton */
  .cta {
    text-align: center;
  }
  .cta a {
    background-color: #0288d1;
    color: white;
    padding: 14px 42px;
    border-radius: 35px;
    font-weight: 600;
    font-size: 1.2rem;
    box-shadow: 0 6px 12px rgba(2, 136, 209, 0.5);
    transition: background-color 0.3s ease;
    display: inline-block;
  }
  .cta a:hover {
    background-color: #016ca6;
  }

  /* Responsive */
  @media (max-width: 768px) {
    .product-overview {
      flex-direction: column;
      gap: 25px;
    }
    .product-details, .product-image {
      flex: 1 1 100%;
    }
  }