/* Base styles - Mobile First */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    background-color: #000;
    color: #fff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    padding: 1rem;
  }
  
  .hamburger-menu {
    height: 50px;
    width: 40px;
    margin-left: auto;
    position: relative;
    z-index: 3;
    border: #00bcd4 1px solid;
}

.hamburger-menu span {
  height: 5px;
  width: 100%;
  background-color: var(white);
  border-radius: 25px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: .3s ease;
}

  h1, h2, h3 {
    margin-bottom: 0.5rem;
  }
  
  p {
    margin-bottom: 1rem;
  }
  
  a {
    color: #00bcd4;
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  header, section, footer {
    width: 100%;
    margin-bottom: 1.5rem;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 1rem;
    background-color: #111;
  }
  
  
  nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  
  nav h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
  }
  
  nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
  }
  
  nav li {
    font-size: 1rem;
  }
  
  .hero h2 {
    font-size: 1.5rem;
    margin-top: 1rem;
  }
  
  .cta-button {
    display: inline-block;
    margin-top: 0.75rem;
    padding: 0.5rem 1rem;
    background-color: #00bcd4;
    color: #000;
    border-radius: 4px;
    font-weight: bold;
    transition: background 0.3s ease;
  }
  
  .cta-button:hover {
    background-color: #0097a7;
  }
  
  ul {
    padding-left: 1rem;
  }
  
  .app-showcase {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .card {
    border: 1px solid #444;
    padding: 1rem;
    background-color: #1a1a1a;
    border-radius: 6px;
  }
  
  form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }
  
  input, textarea, button {
    padding: 0.75rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
  }
  
  input, textarea {
    background-color: #222;
    color: #fff;
  }
  
  button {
    background-color: #00bcd4;
    color: #000;
    font-weight: bold;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #0097a7;
  }
  
  /* Tablet View */
  @media (min-width: 600px) {
    nav {
      flex-direction: row;
      justify-content: space-between;
      align-items: center;
    }
    
    .hamburger-menu {
        display: none;
      }

    .hero h2 {
      font-size: 2rem;
    }
  
    .app-showcase {
      flex-direction: row;
      flex-wrap: wrap;
      gap: 1rem;
    }
  
    .card {
      flex: 1 1 calc(50% - 1rem);
    }
  
    form {
      max-width: 600px;
    }
  }
  
  /* Desktop View */
  @media (min-width: 1024px) {
    body {
      padding: 2rem 4rem;
    }
  
    nav h1 {
      font-size: 2.2rem;
    }
  
    nav ul li {
      font-size: 1.1rem;
    }

    .hamburger-menu {
        display: none;
      }
  
    .hero h2 {
      font-size: 2.5rem;
    }
  
    .app-showcase {
      gap: 2rem;
    }
  
    .card {
      flex: 1 1 calc(33% - 2rem);
    }
  
    form {
      max-width: 800px;
    }
  }