/* Animation de fond */
@keyframes changeBg {
    0% { background-color: #ff4d4d; }
    33% { background-color: #ffff66; }
    66% { background-color: #66ffcc; }
    100% { background-color: #ff4d4d; }
  }
  
  body {
    margin: 0;
    padding: 0;
    animation: changeBg 3s infinite;
    font-family: Arial, sans-serif;
    text-align: center;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  h1 {
    margin-top: 20px;
    font-size: 36px;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
  }
  
  /* Boutons de langue */
  .lang-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
  }
  
  .lang-buttons button {
    border: none;
    padding: 10px;
    font-size: 14px;
    cursor: pointer;
    border-radius: 5px;
    color: white;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
  }
  
  .lang-buttons button:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  }
  
  .fr { background-color: #0055A4; }
  .es { background-color: #C60B1E; }
  .ar { background-color: #007A3D; }
  .it { background-color: #008C45; }
  .ru { background-color: #D52B1E; }
  .tr { background-color: #E30A17; }
  .zh { background-color: #DE2910; }
  .hi { background-color: #FF9933; }
  .en { background-color: #00247D; }
  .pt { background-color: #006600; }
  
  /* Logo animé */
  .rotating-square {
    width: 150px;
    height: 150px;
    margin: 20px 0;
    border: 5px solid white;
    background: linear-gradient(45deg, red, orange, yellow, green, blue, purple);
    animation: rotateSquare 5s linear infinite, colorShift 10s ease infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(255,255,255,0.5);
  }
  
  @keyframes rotateSquare {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
  
  @keyframes colorShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }
  
  .rotating-square span {
    font-size: 18px;
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.7);
  }
  
  /* Boutons principaux */
  .video-btn, .info-btn, .help-btn {
    border: none;
    padding: 12px 24px;
    margin: 10px;
    border-radius: 30px;
    font-size: 16px;
    cursor: pointer;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }
  
  .video-btn { 
    background-color: #3366FF;
    background: linear-gradient(135deg, #3366FF, #00BFFF);
  }
  
  .info-btn { 
    background-color: #2ecc71;
    background: linear-gradient(135deg, #2ecc71, #27ae60);
  }
  
  .help-btn { 
    background-color: #f39c12;
    background: linear-gradient(135deg, #f39c12, #e67e22);
  }
  
  .video-btn:hover, .info-btn:hover, .help-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.2);
  }
  
  .video-btn:active, .info-btn:active, .help-btn:active {
    transform: translateY(1px);
  }
  
  /* Conteneur de la vidéo */
  .video-container {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
  }
  
  /* Wrapper pour positionner la vidéo et l'overlay */
  .video-wrapper {
    position: relative;
    display: inline-block;
    width: 80%;
    max-width: 800px;
  }
  
  video {
    width: 100%;
    max-height: 80vh;
    border-radius: 15px;
    display: block;
    box-shadow: 0 0 30px rgba(255,255,255,0.2);
  }
  
  /* Overlay placé au-dessus de la vidéo */
  .info-overlay {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 15px 25px;
    border-radius: 10px;
    max-width: 80%;
    display: none;
    z-index: 1002;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.2);
    animation: fadeIn 0.5s ease-out;
    text-align: center;
    font-size: 18px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
  }
  
  .price-overlay {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.9), rgba(39, 174, 96, 0.9));
    font-weight: bold;
    font-size: 24px;
  }
  
  .desc-overlay {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.9), rgba(41, 128, 185, 0.9));
    line-height: 1.5;
  }
  
  .close-btn {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 30px;
    color: white;
    cursor: pointer;
    z-index: 1003;
    background: rgba(0,0,0,0.5);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
  }
  
  .close-btn:hover {
    background: rgba(231, 76, 60, 0.8);
    transform: rotate(90deg);
  }
  
  /* Formulaire */
  .formulaire {
    display: none;
    flex-direction: column;
    align-items: center;
    background: white;
    padding: 30px;
    border-radius: 15px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1001;
    color: #333;
    width: 80%;
    max-width: 450px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    animation: slideDown 0.4s ease-out;
  }
  
  @keyframes slideDown {
    from { opacity: 0; transform: translate(-50%, -60%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
  }
  
  .formulaire h2 {
    margin-top: 0;
    color: #333;
    margin-bottom: 20px;
    font-size: 24px;
  }
  
  .formulaire input, .formulaire textarea {
    margin: 10px 0;
    padding: 12px 15px;
    width: 100%;
    box-sizing: border-box;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
  }
  
  .formulaire input:focus, .formulaire textarea:focus {
    border-color: #3498db;
    box-shadow: 0 0 8px rgba(52, 152, 219, 0.5);
    outline: none;
  }
  
  .formulaire textarea {
    height: 120px;
    resize: vertical;
  }
  
  .form-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    width: 100%;
  }
  
  .formulaire button {
    padding: 12px 25px;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    font-size: 16px;
    transition: all 0.3s;
    flex: 1;
  }
  
  .submit-btn {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: white;
  }
  
  .submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(46, 204, 113, 0.4);
  }
  
  .close-form-btn {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
  }
  
  .close-form-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(231, 76, 60, 0.4);
  }
  
  /* Modale de choix pour la vidéo */
  #choiceModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    justify-content: center;
    align-items: center;
    z-index: 1000;
  }
  
  #choiceModalContent {
    background: #fff;
    color: #000;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    max-width: 500px;
    width: 80%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    animation: popIn 0.4s ease-out;
  }
  
  @keyframes popIn {
    0% { transform: scale(0.8); opacity: 0; }
    80% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
  }
  
  #choiceModalContent p {
    font-size: 18px;
    margin-bottom: 25px;
    color: #333;
  }
  
  #choiceModalContent button {
    border: none;
    padding: 12px 25px;
    margin: 10px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s;
    min-width: 180px;
  }
  
  .choice-btn { 
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
  }
  
  .choice-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
  }
  
  .close-choice-btn { 
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
  }
  
  .close-choice-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
  }
  
  /* Boutons d'info */
  .info-buttons {
    display: none;
    margin-top: 20px;
    width: 80%;
    max-width: 800px;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
  }
  
  .info-btn-style {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    font-size: 16px;
    transition: all 0.3s;
    min-width: 180px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }
  
  .info-btn-style:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.2);
  }
  
  .info-btn-style:active {
    transform: translateY(1px);
  }
  
  /* Notification */
  .notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    z-index: 1100;
    display: none;
    animation: slideIn 0.5s ease-out;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  }
  
  @keyframes slideIn {
    from { opacity: 0; transform: translateX(-50%) translateY(-50px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
  }
  
  .notification.error {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.9), rgba(192, 57, 43, 0.9));
  }
  
  .notification.success {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.9), rgba(39, 174, 96, 0.9));
  }
  
  /* Modales d'information */
  .info-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    justify-content: center;
    align-items: center;
    z-index: 1000;
  }
  
  .info-modal-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    max-width: 500px;
    width: 80%;
    text-align: center;
    position: relative;
    color: #333;
    line-height: 1.6;
    font-size: 18px;
  }
  
  .info-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: #333;
  }
  
  .emojis {
    font-size: 24px;
    margin: 10px 0;
  }