body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: sans-serif;
  }
  
  .hero {
    background: url('img/hero.jpg') no-repeat center center/cover;
    height: 100vh;
    position: relative;
  }
  
  .overlay {
    background: rgba(0, 0, 30, 0.5);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;  /* move content higher */
    align-items: center;
    text-align: center;
    padding-top: 80px;  /* pushes text down just a bit from the top */
    padding-left: 20px;
    padding-right: 20px;
  }
  
  .overlay h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 7rem;
    letter-spacing: 0.4rem;
    color: #468189; /* bluish grey that pairs nicely with blue backgrounds */
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
    margin-bottom: 1px;
  }
  
  .overlay p {
    margin-top: 0px;
    font-family: 'Roboto Mono', monospace;
    font-size: 1.4rem;
    color: #468189; /* lighter grey with a cool tone */
    opacity: 0.95;
    max-width: 800px;
  }
  
  .cta-button {
    background-color: transparent;
    border: 2px solid #468189;
    color: #468189;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
  }
  
  .cta-button:hover {
    background-color: rgba(70, 129, 137, 0.1);
  }

  @media (max-width: 768px) {
    .overlay h1 {
      font-size: 3rem;
      letter-spacing: 0.2rem;
    }
  
    .overlay p {
      font-size: 0.8rem;
      margin-bottom: 15px;
    }
  
    .cta-button {
      padding: 8px 16px;
      font-size: 0.6rem;
    }
  }