/* ─── Reset mínimo ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: ui-sans-serif, -apple-system, "Segoe UI", Roboto, system-ui, sans-serif;
  color: #1a1a1a;
  background: #fafafa;
  line-height: 1.55;
}

/* ─── Layout ──────────────────────────────────────── */
.site-header {
  padding: 16px 24px;
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
}
.site-header .brand {
  font-weight: 700;
  text-decoration: none;
  color: #1a1a1a;
}
.site-main {
  max-width: 720px;
  margin: 32px auto;
  padding: 0 24px;
}
.site-footer {
  margin-top: 64px;
  padding: 24px;
  text-align: center;
  color: #888;
  border-top: 1px solid #e5e5e5;
}

/* ─── Tipografía y código ─────────────────────────── */
h1 { font-size: 1.75rem; margin: 0 0 0.5em; }
h2 { font-size: 1.25rem; margin: 1.5em 0 0.5em; }
code {
  font-family: ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: #f0f0f0;
  padding: 2px 6px;
  border-radius: 4px;
}
pre {
  background: #f0f0f0;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
}
pre code { background: transparent; padding: 0; }