/* Reset */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: Arial, sans-serif;
      background: #E8F5FC;
      color: #1A4561;
      line-height: 1.6;
    }

    header {
      background: #1A4561;
      color: white;
      padding: 15px;
      text-align: center;
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    header h1 {
      margin-bottom: 10px;
    }

    nav a {
      color: white;
      text-decoration: none;
      margin: 0 15px;
      font-weight: bold;
      transition: 0.3s;
    }

    nav a:hover {
      color: #B9CBDA;
    }

    section {
      max-width: 900px;
      margin: 40px auto;
      padding: 20px;
      background: #B9CBDA;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
      display: none;
    }

    section.active {
      display: block;
    }

    h2 {
      text-align: center;
      margin-bottom: 20px;
      color: #1A4561;
    }

    p {
      margin-bottom: 15px;
    }

    .btn {
      background: #397E8B;
      color: white;
      padding: 10px 18px;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      transition: 0.3s;
      margin: 5px 5px 5px 0;
    }

    .btn:hover {
      background: #1A4561;
    }

    .contact-info p {
      margin: 8px 0;
    }

    form {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    input, textarea {
      padding: 12px;
      border: 1px solid #ccc;
      border-radius: 8px;
      font-size: 16px;
      width: 100%;
      transition: 0.3s;
    }

    input:focus, textarea:focus {
      border-color: #397E8B;
      outline: none;
      box-shadow: 0 0 5px rgba(57,126,139,0.5);
    }

    footer {
      text-align: center;
      padding: 15px;
      margin-top: 40px;
      background: #1A4561;
      color: white;
    }

    .message {
      margin-top: 15px;
      font-weight: bold;
      text-align: center;
    }

    .voice-select {
      margin-left: 5px;
      padding: 5px 8px;
      border-radius: 6px;
      border: 1px solid #397E8B;
      background: white;
      color: #1A4561;
    }