/* Reset some defaults */
* {
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
      Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: #f9fafb;
    color: #111827;
    margin: 0;
    padding: 0;
    line-height: 1.6;
  }
  
  .container {
    max-width: 720px;
    margin: 50px auto;
    padding: 30px 25px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  }
  
  .logo {
    max-width: 160px;
    display: block;
    margin-bottom: 20px;
  }
  
  header h1 {
    font-weight: 700;
    font-size: 2.8rem;
    margin-bottom: 8px;
    color: #2563eb;
  }
  
  .tagline {
    font-weight: 500;
    color: #4b5563;
    margin-bottom: 30px;
    font-size: 1.1rem;
  }
  
  h2 {
    font-weight: 600;
    font-size: 1.7rem;
    margin-bottom: 15px;
    border-bottom: 2px solid #3b82f6;
    padding-bottom: 6px;
    color: #1e40af;
  }
  
  ol {
    padding-left: 20px;
    margin-bottom: 30px;
  }
  
  ol li {
    margin-bottom: 12px;
    font-size: 1rem;
  }
  
  code {
    background: #e0e7ff;
    padding: 3px 6px;
    border-radius: 5px;
    font-family: 'Fira Mono', monospace;
    font-size: 0.95rem;
  }
  
  pre {
    background: #e0e7ff;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Fira Mono', monospace;
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 40px;
    user-select: all;
  }
  
  footer {
    text-align: center;
    font-size: 0.9rem;
    color: #6b7280;
    border-top: 1px solid #e5e7eb;
    padding-top: 18px;
    margin-top: 40px;
  }