html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow-x: hidden;
    font-family: 'Arial', sans-serif;
    scroll-behavior: smooth; /* smooth scroll */
  }

  /* Video wrapper */
  .video-container {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
  }

  /* Background video */
  video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(10px) brightness(0.60);
    transform: scale(1.08);
  }

  /* Dark overlay */
  .overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: -1;
  }

  /* Top navigation bar */
  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    padding: 20px 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2;
    font-size: 1.2rem;
    font-weight: bold;
  }

  .navbar a, .dropdown-btn {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background 0.3s, color 0.3s;
    cursor: pointer;
    display: inline-block;
    text-align: center;
  }

  .navbar a:hover, .dropdown-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
  }

  /* Dropdown container */
  .dropdown {
    position: relative;
    display: inline-block;
    text-align: center;
  }

  .dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: rgba(0,0,0,0.85);
    min-width: 160px;
    z-index: 3;
    border-radius: 4px;
    overflow: hidden;
    flex-direction: column;
  }

  .dropdown-content a {
    display: block;
    padding: 10px 16px;
    color: white;
    text-decoration: none;
    text-align: left;
  }

  .dropdown-content a:hover {
    background: rgba(255, 255, 255, 0.2);
  }

  .dropdown:hover .dropdown-content {
    display: flex;
  }

  /* Foreground content */
  .content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding-top: 40px;
  }

  h1 {
    font-size: 3.5rem;
    letter-spacing: 2px;
    line-height: 1.2;
    text-shadow: 2px 2px 12px rgba(0,0,0,0.7);
    font-family: 'Verdana', sans-serif;
  }

  h1 span {
    color: #FFD700;
  }

  /* Section styling */
  section {
    height: 100vh;
    background: rgba(0,0,0,0.6);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    scroll-margin-top: 80px; /* navbar offset for smooth scroll */
  }