/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #f9f9f9;
    color: #333;
    padding: 20px;
  }
  
  /* Container */
  .container {
    max-width: 960px;
    margin: auto;
    padding: 20px;
  }
  
  /* Sections */
  section {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(0,0,0,0.05);
    margin-bottom: 30px;
    padding: 30px;
  }
  
  /* Headings */
  h1, h2, h3 {
    color: #202124;
    margin-bottom: 15px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
    border-bottom: 2px solid #e2e2e2;
    padding-bottom: 8px;
  }
  
  /* Links */
  a {
    color: #1a73e8;
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }
  
  /* Intro Layout */
  .intro {
    display: flex;
    flex-direction: column-reverse;
    gap: 20px;
  }
  
  .intro-image img {
    max-width: 100%;
    border-radius: 8px;
  }
  
  @media (min-width: 768px) {
    .intro {
      flex-direction: row;
      align-items: center;
    }
  
    .intro-text {
      flex: 1;
    }
  
    .intro-image {
      flex: 1;
      padding-left: 20px;
    }
  }
  
  /* Lists */
  ul {
    list-style-type: disc;
    margin-left: 20px;
    margin-bottom: 15px;
  }