/* AutomataDesk — brand kit palette (W3-FINAL)
   ink #1C2329 · paper #F4F1EA · rule #C8C2B6 · accent steel #3D5A6C */
:root {
  --ink: #1C2329;
  --paper: #F4F1EA;
  --rule: #C8C2B6;
  --steel: #3D5A6C;
  --steel-dark: #2A3F4C;
  --muted: #5A6168;
  --card: #FFFFFF;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  font-size: 1rem;
}
a { color: var(--steel); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--steel-dark); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 1.25rem 3rem; }
header.site {
  border-bottom: 1px solid var(--rule);
  background: var(--ink);
  color: var(--paper);
  padding: 1rem 0;
  margin-bottom: 2rem;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-bottom: 0; }
header.site a { color: var(--paper); text-decoration: none; }
header.site a:hover { text-decoration: underline; }
.logo {
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 1.15rem;
}
.logo span { color: #A8C0CC; font-weight: 500; }
nav.top { display: flex; gap: 1.1rem; flex-wrap: wrap; font-size: 0.92rem; }
h1 { font-size: 1.85rem; line-height: 1.25; margin: 0 0 0.75rem; color: var(--ink); }
h2 { font-size: 1.25rem; margin: 2rem 0 0.75rem; color: var(--ink); border-bottom: 1px solid var(--rule); padding-bottom: 0.35rem; }
h3 { font-size: 1.05rem; margin: 1.25rem 0 0.5rem; }
.lede { font-size: 1.05rem; color: var(--muted); max-width: 42rem; }
.meta { font-size: 0.9rem; color: var(--muted); margin: 0.5rem 0 1.5rem; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1.1rem 1.15rem;
}
.card h3 { margin-top: 0; }
.card p { margin: 0.4rem 0 0.8rem; font-size: 0.95rem; color: var(--muted); }
.card a.more { font-weight: 600; text-decoration: none; color: var(--steel); }
.card a.more:hover { text-decoration: underline; }
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}
.btn {
  display: inline-block;
  padding: 0.65rem 1.15rem;
  border-radius: 3px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--steel);
  color: #fff;
}
.btn-primary:hover { background: var(--steel-dark); color: #fff; }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}
.btn-secondary:hover { border-color: var(--steel); color: var(--steel); }
table.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: var(--card);
  margin: 1rem 0 1.5rem;
}
table.compare th,
table.compare td {
  border: 1px solid var(--rule);
  padding: 0.55rem 0.7rem;
  text-align: left;
  vertical-align: top;
}
table.compare th { background: var(--ink); color: var(--paper); font-weight: 600; }
table.compare tr:nth-child(even) td { background: #FAF8F3; }
.proscons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0;
}
@media (max-width: 640px) {
  .proscons { grid-template-columns: 1fr; }
  h1 { font-size: 1.5rem; }
}
.proscons ul { margin: 0.4rem 0 0; padding-left: 1.2rem; }
.proscons .box {
  background: var(--card);
  border: 1px solid var(--rule);
  padding: 1rem;
  border-radius: 4px;
}
.note {
  background: #EEF2F4;
  border-left: 3px solid var(--steel);
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
  margin: 1rem 0;
}
.disclosure {
  margin-top: 2.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--rule);
  background: #EDE9E0;
  font-size: 0.88rem;
  color: var(--muted);
}
footer.site {
  border-top: 1px solid var(--rule);
  margin-top: 3rem;
  padding: 1.5rem 0 2rem;
  font-size: 0.88rem;
  color: var(--muted);
}
footer.site a { color: var(--steel); }
.hub-links { list-style: none; padding: 0; margin: 1rem 0; }
.hub-links li {
  border-bottom: 1px solid var(--rule);
  padding: 0.75rem 0;
}
.hub-links a { font-weight: 600; text-decoration: none; }
.hub-links a:hover { text-decoration: underline; }
.hub-links span { display: block; color: var(--muted); font-weight: 400; font-size: 0.92rem; margin-top: 0.2rem; }

/* article prose */
.article blockquote.disclosure {
  margin: 1rem 0 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--rule);
  background: #EDE9E0;
  font-size: 0.9rem;
  color: var(--muted);
}
.article img { max-width: 100%; height: auto; }
.article pre, .article code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88rem;
}
.article pre {
  background: #EEF2F4;
  padding: 0.75rem 1rem;
  overflow-x: auto;
  border: 1px solid var(--rule);
}
.article hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }

/* article prose (SEO-BATCH-1) */
.article-body { margin-top: 0.5rem; }
.article-body p { margin: 0.75rem 0; }
.article-body ul, .article-body ol { margin: 0.6rem 0 1rem; padding-left: 1.35rem; }
.article-body li { margin: 0.25rem 0; }
.article-body hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 1.75rem 0;
}
.article-body blockquote {
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--steel);
  background: #EEF2F4;
  color: var(--muted);
  font-size: 0.95rem;
}
.article-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: #EEF2F4;
  padding: 0.1em 0.35em;
  border-radius: 2px;
}
.article-body pre {
  background: var(--ink);
  color: var(--paper);
  padding: 0.9rem 1rem;
  overflow-x: auto;
  border-radius: 4px;
  font-size: 0.88rem;
}
.article-body pre code { background: transparent; color: inherit; padding: 0; }
.article-body .disclosure { margin-top: 0; margin-bottom: 1.5rem; }
.affiliate-pending {
  margin: 1rem 0;
}
.affiliate-pending-btn {
  cursor: default;
  opacity: 0.85;
  pointer-events: none;
}
.article-table { font-size: 0.9rem; }
.related-reads { margin-top: 2rem; }
.related-reads ul { margin: 0.5rem 0 0; }