:root {
    --bg1: #000;
    --bg2: #001427;
    --bg3: #00004b;
    --accent: #48a4ff;
    --text: #deefff;
    --outline: rgba(255, 255, 255, 0.3);
  }
  
  * {
    box-sizing: border-box;
  }
  
  body,
  html {
    height: 100%;
    margin: 0;
    padding: 0;
  }
  
  body {
    background: var(--bg1);
    background-image: radial-gradient(var(--bg3), var(--bg2), var(--bg1));
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text);
    font-family: sans-serif;
    font-size: small;
    letter-spacing: 1px;
  }
  
  ::selection {
    color: var(--bg1);
    background-color: var(--accent);
  }
  
  img {
    max-width: 100%;
    height: auto;
  }
  
  a {
    color: var(--accent);
    text-decoration-style: dotted;
  }
  
  a:hover,
  a:focus {
    text-shadow: 0 0 9px var(--text);
  }
  
  p,
  li {
    line-height: 1.3;
  }
  
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    letter-spacing: 3px;
  }
  
  hr {
    border: 0;
    border-top: 1px solid var(--outline);
    margin: 1.5rem auto;
  }
  
  .wrapper,
  main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }
  
  .wrapper {
    width: 70%;
    max-width: 1920px;
    margin: 1.5rem auto;
  }
  
  nav ul {
    padding: 0;
    list-style-position: inside;
  }
  
  header,
  main section {
    border: 1px solid var(--outline);
    width: 100%;
    padding: 0 1rem;
    border-radius: 5px;
    box-shadow: 0 0 20px 3px var(--bg1);
  }
  
  footer {
    padding: 0 1rem;
  }
  
  @media screen and (max-width: 1000px) {
    .wrapper {
      width: 80%;
    }
  }
  
  @media screen and (max-width: 700px) {
    .wrapper {
      width: 90%;
    }
  }
  
  @media screen and (max-width: 500px) {
    .wrapper {
      width: 100%;
    }
  
    header,
    main section {
      border-left: 0;
      border-right: 0;
      border-radius: 0;
    }
  }