/* ParlAIment explanatory pages — minimal, readable, CSP-clean */

:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666;
  --accent: #0066cc;
  --accent-hover: #004999;
  --border: #e5e5e5;
  --code-bg: #f5f5f5;
  --max-width: 720px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
}

header.site {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
}

header.site .container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

header.site a.brand {
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--fg);
}

header.site nav {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
}

header.site nav a {
  text-decoration: none;
  color: var(--muted);
}

header.site nav a:hover {
  color: var(--accent);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

main h1 {
  font-size: 2.25rem;
  margin: 0 0 0.5rem;
  line-height: 1.2;
}

main .subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0 0 2.5rem;
}

main h2 {
  font-size: 1.5rem;
  margin: 2.5rem 0 0.75rem;
}

main h3 {
  font-size: 1.15rem;
  margin: 1.75rem 0 0.5rem;
}

main p, main li {
  margin: 0 0 1rem;
}

main a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

main a:hover {
  color: var(--accent-hover);
}

main code, main kbd {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  background: var(--code-bg);
  padding: 0.125rem 0.375rem;
  border-radius: 3px;
  font-size: 0.92em;
}

main blockquote {
  border-left: 3px solid var(--border);
  padding: 0.5rem 1rem;
  margin: 1.5rem 0;
  color: var(--muted);
  font-style: italic;
}

main ul, main ol {
  padding-left: 1.5rem;
}

main hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
}

footer.site {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  font-size: 0.875rem;
  color: var(--muted);
}

footer.site .container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

footer.site a {
  color: var(--muted);
  text-decoration: none;
}

footer.site a:hover {
  color: var(--accent);
  text-decoration: underline;
}

@media (max-width: 600px) {
  main h1 { font-size: 1.75rem; }
  main h2 { font-size: 1.25rem; }
  body { font-size: 16px; }
}