body {
    background-color: #1f2937; /* gris foncé */
    color: #d1d5db; /* gris clair */
    font-family: sans-serif;
  }
  a {
    text-decoration: none;
  }
  a:hover {
    text-decoration: none;
  }
  .bg-dark-custom {
    background-color: #1f2937 !important;
  }
  .bg-gray-800 {
    background-color: #2d3748 !important;
  }
  .text-teal {
    color: #14b8a6 !important;
  }
  .text-gray-300 {
    color: #d1d5db !important;
  }
  .text-gray-400 {
    color: #9ca3af !important;
  }
  .text-gray-500 {
    color: #6b7280 !important;
  }
  .hover-scale:hover {
    transform: scale(1.05);
    transition: transform 0.3s ease-in-out;
  }
  .bg-gradient-hero {
    background: linear-gradient(to bottom right, #0d9488, #111827);
    position: relative;
    overflow: hidden;
    color: #fff;
  }