body {
      font-family: 'Segoe UI', sans-serif;
      background: linear-gradient(to bottom, #fff2e0, #ffc080);
      margin: 0;
      padding: 0;
      color: #333;
    }
    header {
      background-color: #ff7f2a;
      color: white;
      padding: 20px;
      text-align: center;
    }
    section {
      padding: 30px;
      max-width: 900px;
      margin: auto;
    }
    h1, h2 {
      color: #cc4400;
    }
    .video {
      margin-top: 40px;
      text-align: center;
    }
    iframe {
      width: 100%;
      height: 400px;
      border: none;
      border-radius: 10px;
    }
  /* ✅ السهم ديال الرجوع */
    .back-arrow {
      position: fixed;
      top: 20px;
      right: 20px;
      background-color: #ff9800;
      color: white;
      font-size: 28px;
      padding: 12px 16px;
      border-radius: 50%;
      text-decoration: none;
      z-index: 1000;
      box-shadow: 0 2px 10px rgba(0,0,0,0.3);
      transition: background-color 0.3s ease, transform 0.3s ease;
    }

    .back-arrow:hover {
      background-color: #e65100;
      transform: scale(1.1);
    }