@import url('https://fonts.googleapis.com/css2?family=Comfortaa:wght@400;600&display=swap');
    body {
      margin: 0;
      height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      background-color: #1E2A38; /* Bleu nuit profond */
      font-family: 'Comfortaa', sans-serif;
      color: #F5F5F0; /* Blanc cassé */
    }

    /* --- Header icons --- */
    .header-icons {
      position: absolute;
      top: 20px;
      right: 20px;
      display: flex;
      gap: 25px;
      align-items: flex-start;
    }

    .icon-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      position: relative;
    }

    .icon {
      width: 20px;
      height: 20px;
      transition: transform 0.2s ease;
      filter: invert(83%) sepia(13%) saturate(620%) hue-rotate(251deg) brightness(94%) contrast(90%); /*filtre lavande*/
    }

    .lang-code {
      font-size: 0.7rem;
      margin-top: 2px;
      color: #F5F5F0;
    }

    /* --- Circle container --- */
    .circle-container {
      position: relative;
      width: 250px;
      height: 250px;
      border-radius: 50%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 25px rgba(200,162,200,0.6), 0 0 50px rgba(200,162,200,0.3);
      animation: pulse 3s infinite ease-in-out;
      overflow: hidden;
    }

    @keyframes pulse {
      0%, 100% {
        box-shadow: 0 0 25px rgba(200,162,200,0.6), 0 0 50px rgba(200,162,200,0.3);
      }
      50% {
        box-shadow: 0 0 45px rgba(200,162,200,1), 0 0 90px rgba(200,162,200,0.7);
      }
    }

    .circle-container img {
      max-width: 70%;
      max-height: 70%;
      position: absolute;
      transition: opacity 0.5s ease;
    }
    .circle-container img.qr { opacity: 0; }
    /* switch logo->QR au hover
    .circle-container:hover img.logo { opacity: 0; }
    .circle-container:hover img.qr { opacity: 1; }*/

    /* --- Textes --- */
    .title {
      margin-top: 20px;
      color: #8AA39B; /* Vert sauge doux */
      text-align: center;
      font-size: 2.5rem;
      font-weight: 600;
      font-family: 'Comfortaa', sans-serif;
      opacity: 0;
      animation: fadeIn 2s forwards;
      animation-delay: 0.5s;
    }

    .tagline {
      margin-top: 5px;
      color: #8AA39B; /* Vert sauge doux */
      text-align: center;
      font-size: 1.2rem;
      font-style: italic;
      opacity: 0;
      animation: fadeIn 2s forwards;
      animation-delay: 1.2s;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* --- Bouton transition QR --- */
    .download-btn {
      position: absolute;
      bottom: 15px; /* le bouton reste dans le cercle, à 15px du bas */
      left: 50%;
      transform: translateX(-50%);
      background: transparent;
      border: none;
      color: #F5F5F0;
      font-family: 'Comfortaa', sans-serif;
      font-size: 0.7rem;
      letter-spacing: 1px;
      cursor: pointer;
      gap: 8px;
      transition: color 0.4s ease, text-shadow 0.4s ease;
    }
    .download-btn:hover {
      color: #C8A2C8;
      text-shadow: 0 0 8px rgba(200,162,200,0.8);
    }
    .btn-icon {
      width: 16px;
      height: 16px;
      filter: brightness(0) invert(1); /* rend ton SVG blanc cassé si nécessaire */
      transition: filter 0.3s ease;
    }
    .download-btn:hover .btn-icon {
      filter: invert(14%) sepia(11%) saturate(1167%) hue-rotate(181deg) brightness(95%) contrast(91%);
    }

    /* --- Footer link --- */
    footer {
      position: absolute;
      bottom: 20px;
      font-size: 0.7rem;
      display: flex;
      gap: 20px;
      color: #F5F5F0; /* Lavande douce */
    }

    footer a {
      text-decoration: none;
      color: #F5F5F0; /* Lavande douce */
      opacity: 0.8;
      transition: opacity 0.2s ease, transform 0.2s ease;
    }
    footer a:hover {
      opacity: 1;
      transform: scale(1.1);
    }
    .footer-link {
      left: 50%;
      transform: translateX(-50%);
      background: transparent;
      border: none;
      color: #F5F5F0;
      font-family: 'Comfortaa', sans-serif;
      font-size: 0.7rem;
      letter-spacing: 1px;
      cursor: pointer;
      transition: color 0.4s ease, text-shadow 0.4s ease;
      text-decoration: none;
    }
    .footer-link:hover,
    .footer-link:focus,
    .footer-link:active,
    .footer-link:visited{
        color: #C8A2C8; /* ton lavande douce */
        text-shadow: 0 0 8px rgba(200,162,200,0.8);
    }
    /* force les A enfant de .footer-link à avoir le même style au hover */
    .footer-link>a:hover{
      color: #C8A2C8;
      text-shadow: 0 0 8px rgba(200,162,200,0.8);
    }