/* Reset default browser styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    height: 100%;
    font-family: 'Orbitron', sans-serif;
    color: #fff;
    overflow: hidden;
  }
  
  /* Subtle dark overlay tint above video */
  body::before {
    content: "";
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.25);
    z-index: 0;
    pointer-events: none;
  }

  /* Top navigation bar */
  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: rgba(0, 0, 0, 0.45);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 2;
  }

  .nav-left, .nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .ca-label {
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    color: #fff;
    opacity: 0.9;
  }

  .ca-value {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.95rem;
    color: #fff;
    opacity: 0.95;
  }

  .copy-btn, .nav-link {
    background: transparent;
    color: #fff;
    border: 1px solid #fff;
    padding: 8px 14px;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  }

  .copy-btn:hover, .nav-link:hover {
    background: #fff;
    color: #000;
    box-shadow: 0 0 18px rgba(255, 255, 255, 0.45);
    transform: translateY(-1px);
  }
  
  /* Background video fills screen */
  #bg-video {
    position: fixed;
    top: 0;
    left: 0;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    z-index: -1;
    filter: grayscale(1) brightness(0.6) contrast(1.1);
  }
  
  /* Overlay content centered */
  .overlay {
    position: relative;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    backdrop-filter: blur(2px);
    padding: 80px 20px 0;
    z-index: 1;
  }
  
  /* Logo styling */
  .logo {
    width: 520px;
    margin-bottom: 20px;
    /* filter: grayscale(1) contrast(1.1); */
  }
  
  /* Title styling */
  .title {
    font-size: 2rem;
    text-transform: uppercase;
    max-width: 700px;
    line-height: 1.3;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.6);
    margin-bottom: 40px;
  }
  
  /* Button styling */
  .btn {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
    text-decoration: none;
    padding: 15px 40px;
    border-radius: 40px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
  }
  
  .btn:hover {
    transform: scale(1.05);
    background: #fff;
    color: #000;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
  }