/* ==========================================================================
   SEO guide page — scoped styles (all classes prefixed .seo-)
   Uses the shared design tokens from styles.css.
   ========================================================================== */

.seo-wrap { max-width: 880px; margin: 0 auto; }

/* ---------- Jump bar (sticky under the site header) ---------- */
.seo-jump {
  position: sticky;
  top: var(--header-h, 72px);
  z-index: 40;
  background: var(--ink);
  border-bottom: 1px solid var(--ink-soft);
  padding: 10px 0;
}
.seo-jump .container { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.seo-jump a {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--silver);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 3px;
  padding: 7px 12px;
}
.seo-jump a:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

/* ---------- Parts (white cards on the dark site background) ---------- */
.seo-part { scroll-margin-top: calc(var(--header-h, 72px) + 64px); margin-bottom: 28px; }
.seo-card {
  background: var(--paper-raised);
  color: var(--ink);
  border-radius: 3px;
  border-top: 3px solid var(--brand);
  padding: 34px 36px;
}
.seo-card h2 { font-size: clamp(1.4rem, 2.6vw, 1.8rem); margin-bottom: 0.4em; }
.seo-card h3 { margin: 1.4em 0 0.5em; }
.seo-card p, .seo-card li { color: var(--steel); }
.seo-card p { max-width: none; }
.seo-card ul, .seo-card ol { padding-left: 22px; margin: 0 0 1em; }
.seo-card li { margin-bottom: 8px; }
.seo-card a.seo-link { color: var(--brand-dark); text-decoration: underline; }
.seo-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-dark);
  margin-bottom: 10px;
}
@media (max-width: 640px) { .seo-card { padding: 24px 18px; } }

/* ---------- Toolbar (expand all) ---------- */
.seo-toolbar { display: flex; justify-content: flex-end; margin: 14px 0 4px; }
.seo-textbtn {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-dark);
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px 2px;
  text-decoration: underline;
}

/* ---------- Accordions ---------- */
.seo-acc { border: 1px solid var(--line); border-radius: 3px; margin: 10px 0; background: #fff; }
.seo-acc > summary {
  list-style: none;
  cursor: pointer;
  padding: 15px 48px 15px 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  position: relative;
}
.seo-acc > summary::-webkit-details-marker { display: none; }
.seo-acc > summary::after {
  content: "+";
  position: absolute;
  right: 18px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--brand-dark);
}
.seo-acc[open] > summary::after { content: "\2212"; }
.seo-acc[open] > summary { border-bottom: 1px solid var(--line); background: var(--strip-bg); }
.seo-acc > summary:hover { background: var(--strip-bg); }
.seo-acc-body { padding: 16px 18px 6px; }
.seo-acc-body h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 18px 0 8px;
}
.seo-acc-body h4:first-child { margin-top: 0; }

/* ---------- Tabs ---------- */
.seo-tablist { display: flex; gap: 8px; margin: 18px 0 8px; flex-wrap: wrap; }
.seo-tab {
  flex: 1 1 200px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 14px 20px;
  border-radius: 3px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
.seo-tab:hover { background: var(--brand-soft); }
.seo-tab[aria-selected="true"] { background: var(--ink); color: #fff; }
.seo-tab small { display: block; font-family: var(--font-body); font-weight: 400; font-size: 0.78rem; opacity: 0.8; }
.seo-panel[hidden] { display: none; }

/* ---------- Code, callouts, tables ---------- */
.seo-code { position: relative; margin: 12px 0 18px; }
.seo-code pre {
  margin: 0;
  background: var(--ink);
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  padding: 16px 18px;
  border-radius: 3px;
  overflow-x: auto;
}
.seo-copy {
  position: absolute; top: 8px; right: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.14);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 3px;
  padding: 4px 9px;
  cursor: pointer;
}
.seo-copy:hover { background: rgba(255,255,255,0.28); }
.seo-note {
  border-left: 4px solid var(--brand);
  background: var(--brand-soft);
  padding: 12px 16px;
  margin: 14px 0 18px;
  border-radius: 0 3px 3px 0;
  color: var(--ink);
  font-size: 0.95rem;
}
.seo-note.seo-ok { border-left-color: var(--teal); background: var(--teal-soft); }
.seo-card .seo-note p, .seo-card .seo-note { color: var(--ink); }
.seo-note strong:first-child {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.seo-table-wrap { overflow-x: auto; margin: 10px 0 18px; }
.seo-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 520px; }
.seo-table th, .seo-table td {
  text-align: left; vertical-align: top;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--steel);
}
.seo-table th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--strip-bg);
}
.seo-example { background: var(--strip-bg); border-radius: 3px; padding: 14px 18px; margin: 12px 0 18px; font-size: 0.95rem; color: var(--steel); }
.seo-example strong { color: var(--ink); }

/* ---------- Downloads ---------- */
.seo-downloads { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.seo-card .btn-outline { white-space: normal; text-align: center; }

@media print {
  .site-header, .seo-jump, .seo-tablist, .seo-toolbar, .seo-copy, .cta-band, .site-footer, .bg-parallax, .bg-tint { display: none !important; }
  main { background: #fff !important; }
  .seo-card { border-top: 0; }
  .page-hero h1, .page-hero p, .back-link { color: #000 !important; }
}