/*  base.css — minimal, responsive starter sheet
    -------------------------------------------------------------- */



/* 1. Root variables */
:root {
  --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --bg: #ffffff;
  --bg-soft: #f5f7fa;
  --text: #1a1a1a;
  --text-soft: #4a5568;
  --primary: #2563eb;
  --border: #e2e8f0;
  --radius: 6px;
  --max-width: 65ch;

}



/* 4. Headings */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 0.5em;
}
h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }





/* 11. Dark-mode toggle (optional) */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111827;
    --bg-soft: #1f2937;
    --text: #f9fafb;
    --text-soft: #d1d5db;
    --border: #374151;
  }
}