/* Header */
header {
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
  }
  
  .header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .logo {
    font-size: 28px;
    font-weight: 800;
    font-family: 'Orbitron', sans-serif;
    background: var(--neon-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 8px rgba(0, 255, 102, 0.3);
    letter-spacing: -0.5px;
  }
  
  nav ul {
    display: flex;
    list-style: none;
  }
  
  nav ul li {
    margin-left: 30px;
  }
  
  nav ul li a {
    text-decoration: none;
    color: var(--light-text);
    font-weight: 500;
    transition: all 0.3s;
  }
  
  nav ul li a:hover {
    color: var(--neon-green);
    text-shadow: 0 0 10px rgba(0, 255, 102, 0.6);
  }