/* Base page layout */
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

/* Centered readable column */
.content {
  max-width: 960px;      /* GitHub-like */
  margin: 0 auto;        /* center */
  padding: 2rem 1.5rem;  /* breathing room */
}

/* Headings spacing */
h1, h2, h3 {
  line-height: 1.25;
  margin-top: 2rem;
}

/* Horizontal rule spacing */
hr {
  margin: 3rem 0;
}

/* Print rules */
@media print {
  .no-print {
    display: none !important;
  }
  
  @page {
    padding-top: 0.5in;
    padding-bottom: 0.5in;
  }

  @page:first {
    padding-top: 0;
  }

  .content {
    max-width: none;
    padding: 1in;
  }

  section {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}