:root {
      --primary: #FFD700;
      --secondary: #10182b;
      --accent: #6C5CE7;
      --text-light: #ffffff;
      --text-dark: #1a1a1a;
      --footer-bg: #000000;
    }

    body {
      margin: 0;
      font-family: Verdana, BlinkMacSystemFont, -apple-system, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
      background-color: var(--secondary);
      color: var(--text-dark);
    }

    header {
      position: sticky;
      top: 0;
      border-radius: 0px 0px 30% 30%;
      background-color: var(--secondary);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 1rem 0;
      transition: all 0.3s ease;
      z-index: 1000;
      margin-bottom: 20px;
    }

    header.shrink {
      flex-direction: row;
      justify-content: center;
      padding: 0.5rem;
    }

    header img {
      height: 64px;
      width: 64px;
      margin: 0.5rem;
      transition: all 0.3s ease;
    }

    header.shrink img {
      height: 40px;
      width: 40px;
    }

    header h1 {
      color: var(--text-light);
      margin: 0.5rem;
      font-size: 2rem;
      transition: all 0.3s ease;
    }

    header.shrink h1 {
      font-size: 1.5rem;
    }

    main {
        margin-top: 20px;
      padding: 2rem;
      background-color: var(--text-light);
    }

    section.intro {
      text-align: justify;
      margin-bottom: 3rem;
    }

    section.apps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 2rem;
      align-items: center;
      text-align: center;
      width: 100%;
    }
    section.error{
      text-align: center;
      margin: 2rem auto;
      padding: 1rem;
      background-color: rgb(253, 100, 100);
      color: var(--text-light);
      border-radius: 0.5rem;
      align-items: center;
      text-align: center;
      align-content: center;
      align-self: center;
    }
    li > code{
      background-color: #747474;
      padding: 2px;
      border-radius: 3px;
    }
    section>ol{
      max-width: 300px;
      margin: 0 auto;
    }
    section>ol>img{
      max-width: 100%;
      height: auto;
      border-radius: 0.5rem;
      margin: 1rem 0;
    }
    section.apps:has( > *:only-child){
      width: 100%;
    }
    section.apps:has( > *:nth-child(2)){
      width: 50%;
    }
    section.apps:has( > *:nth-child(3)){
      width: 30%;
    }
    section.apps:has( > *:nth-child(n + 4)){
      width: 200px;
    }
    .app-card {
      background-color: var(--accent);
      color: var(--text-light);
      border-radius: 0.5rem;
      padding: 1rem;
      text-align: center;
      justify-content: center;
      align-content: center;
    }

    .app-card img {
      max-width: 100px;
      margin-bottom: 1rem;
    }

    .app-card p {
      text-align: justify;
    }

    footer {
      background-color: var(--footer-bg);
      color: var(--text-light);
      text-align: center;
      padding: 2rem 1rem;
    }

    .social {
      display: flex;
      justify-content: center;
      gap: 2rem;
      flex-wrap: wrap;
    }

    .social-item {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: white;
      text-decoration: none;
    }

    .social-item img {
      height: 24px;
      width: 24px;
      border: #ffffff 2px solid;
      background-color: #ffffff;
      border-radius: 50%;
    }

    @media (max-width: 600px) {
      header.shrink {
        flex-direction: column;
      }
    }