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

    body {
      font-family: 'Segoe UI', sans-serif;
      background-color: #f5f5f5;
      color: #333;
    }

    header {
      background-color: #003366;
      color: white;
      padding: 1rem 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      position: relative;
    }

    .header-title {
      display: flex;
      align-items: center;
    }

    .site-logo {
      height: 60px;
      margin-right: 10px;
    }

    #site-heading{
      color: #003366;
      /* color: #0066cc; */
      margin: 15px;
    }
    #site-heading-2{
      color: #ffd700;
      margin-bottom: 10px;
    }

    nav.desktop-nav a {
      margin-left: 20px;
      color: white;
      text-decoration: none;
    }

    nav.desktop-nav {
      display: none;
    }

    .container {
      padding: 2rem;
      text-align: center;
    }

    .btn {
      display: inline-block;
      padding: 10px 20px;
      background-color: #003366;
      color: white;
      text-decoration: none;
      border-radius: 5px;
      margin-top: 1rem;
    }

    footer {
      text-align: center;
      padding: 1rem;
      background-color: #003366;
      color: white;
      position: fixed;
      bottom: 0;
      width: 100%;
    }

    /* Sidebar */
    #menuIcon {
      display: block;
      position: absolute;
      top: 20px;
      right: 20px;
      font-size: 24px;
      color: #ffd700;
      cursor: pointer;
      z-index: 1001;
    }

    #sidebar {
      position: fixed;
      top: 100px;
      left: -250px;
      height: 100%;
      width: 250px;
      background-color: #003366;
      padding-top: 70px;
      transition: left 0.3s ease-in-out;
      z-index: 1000;
    }

    #sidebar a {
      display: block;
      padding: 15px 25px;
      color: #ffd700;
      text-decoration: none;
      border-bottom: 1px solid #0066cc;
    }

    #sidebar a:hover {
      background-color: #0066cc;
    }

    #sidebar.show {
      left: 0;
    }

    #overlay {
      position: fixed;
      display: none;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background-color: rgba(0, 0, 0, 0.5);
      z-index: 900;
    }

    #overlay.show {
      display: block;
    }

    /* Login Modal */
    .modal {
      display: none;
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background-color: rgba(0, 0, 0, 0.7);
      z-index: 2000;
    }

    .modal-content {
      background-color: white;
      margin: 10% auto;
      padding: 30px;
      border-radius: 8px;
      width: 90%;
      max-width: 400px;
      position: relative;
    }

    .modal .close {
      position: absolute;
      top: 10px;
      right: 15px;
      font-size: 28px;
      cursor: pointer;
    }

    .modal-content h2 {
      text-align: center;
      margin-bottom: 20px;
    }

    .modal-content input[type="email"],
    .modal-content input[type="password"] {
      width: 100%;
      padding: 10px;
      margin: 10px 0;
      border: 1px solid #ccc;
      border-radius: 4px;
    }

    .modal-content button {
      width: 100%;
      padding: 10px;
      background-color: #003366;
      color: white;
      border: none;
      border-radius: 4px;
      cursor: pointer;
    }

    .alert {
      color: red;
      margin-bottom: 10px;
      text-align: center;
    }


    #welcomeDropdown {
      display: flex;
      align-items: center;
      gap: 10px;
      background-color: #003366;
      color: white;
      padding: 10px 15px;
      border-radius: 20px;
      cursor: pointer;
      position: relative;
    }

    #welcomeDropdown .avatar {
      border-radius: 50%;
      width: 30px;
      height: 30px;
    }

    #dropdownMenu {
      display: none;
      position: absolute;
      top: 45px;
      right: 0;
      background-color: white;
      color: #333;
      border: 1px solid #ccc;
      border-radius: 4px;
      min-width: 150px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.15);
      z-index: 1200;
    }

    #dropdownMenu a {
      display: block;
      padding: 10px 15px;
      text-decoration: none;
      color: #333;
    }

    #dropdownMenu a:hover {
      background-color: #f2f2f2;
    }

    #dropdownMenu.show {
      display: block;
    }

    @media (min-width: 768px) {
      #menuIcon {
        display: none;
      }

      nav.desktop-nav {
        display: block;
      }

      #sidebar, #overlay {
        display: none !important;
      }
    }



/* Floating Trigger Button with Tooltip for demo video  */

/* Modal background */
.video-modal {
  display: none; 
  position: fixed; 
  z-index: 1000; 
  left: 0; 
  top: 0; 
  width: 100%; 
  height: 100%; 
  background: rgba(0,0,0,0.7); 
  overflow: auto;
}

/* Modal box */
.video-modal-content {
  background: #fff;
  margin: 5% auto;
  padding: 0;
  border-radius: 8px;
  width: 80%;
  max-width: 800px;
  position: relative;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  animation: fadeIn 0.3s ease-in-out;
}

/* Close button */
.close-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 28px;
  font-weight: bold;
  color: #333;
  cursor: pointer;
}

.close-btn:hover {
  color: #e74c3c;
}

/* Floating Button Container */
.tooltip-container {
  position: fixed;
  bottom: 60px;
  right: 20px;
  z-index: 1100;
}

/* Floating Button */
.floating-video-btn {
  padding: 14px 20px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 50px;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  transition: background 0.3s;
  animation: pulse 2s infinite; /* 🔥 Animation starts active */
}

.floating-video-btn:hover {
  background: #0056b3;
}

/* Pulse animation */
@keyframes pulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0,123,255,0.7); }
  70% { transform: scale(1.08); box-shadow: 0 0 15px 5px rgba(0,123,255,0.3); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0,123,255,0); }
}

/* Class to stop pulse */
.no-pulse {
  animation: none !important;
}

/* Tooltip styling */
.tooltip-text {
  visibility: hidden;
  width: 140px;
  background: #333;
  color: #fff;
  text-align: center;
  padding: 6px 8px;
  border-radius: 5px;
  position: absolute;
  bottom: 60px;
  right: 0;
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 14px;
}

.tooltip-container:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

.tooltip-text.show {
  visibility: visible;
  opacity: 1;
}