/* ============================================================
   SEO UI — theme-aware FAQ + breadcrumb (light / dark / hacker)
   Uses site design tokens (--color-*) so it flips with the theme.
   ============================================================ */

/* ---------- Breadcrumbs ---------- */
.seo-crumbs {
  padding: clamp(0.85rem, 2vw, 1.15rem) 0 0;
}
.seo-crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.86rem;
}
.seo-crumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.seo-crumbs__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.18s ease;
}
.seo-crumbs__link:hover {
  color: var(--color-accent);
}
.seo-crumbs__sep {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  color: var(--color-text-tertiary);
  opacity: 0.7;
}
.seo-crumbs__current {
  color: var(--color-text-primary);
  font-weight: 600;
}

/* ---------- FAQ ---------- */
.seo-faq {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  background: var(--color-bg-secondary);
  /* skip rendering work while off-screen (below the fold) */
  content-visibility: auto;
  contain-intrinsic-size: 0 640px;
}
.seo-faq__head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(1.5rem, 3.5vw, 2.5rem);
}
.seo-faq__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.6rem;
}
.seo-faq__title {
  font-size: clamp(1.5rem, 3.6vw, 2.35rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin: 0;
  letter-spacing: -0.01em;
}
.seo-faq__list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.seo-faq__item {
  background: var(--color-bg-primary);
  border: 1px solid color-mix(in srgb, var(--color-text-primary) 12%, transparent);
  border-radius: 1rem;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.seo-faq__item[open] {
  border-color: color-mix(in srgb, var(--color-accent) 45%, transparent);
  box-shadow: 0 6px 24px -12px color-mix(in srgb, var(--color-accent) 55%, transparent);
}
.seo-faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(1rem, 2.4vw, 1.3rem) clamp(1.1rem, 2.8vw, 1.6rem);
  cursor: pointer;
  list-style: none;
  font-size: clamp(0.98rem, 1.7vw, 1.08rem);
  font-weight: 650;
  color: var(--color-text-primary);
  line-height: 1.45;
}
.seo-faq__q::-webkit-details-marker { display: none; }
.seo-faq__q-text { flex: 1 1 auto; }
.seo-faq__chev {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  color: var(--color-accent);
  transition: transform 0.25s ease;
}
.seo-faq__item[open] .seo-faq__chev { transform: rotate(180deg); }
.seo-faq__a {
  padding: 0 clamp(1.1rem, 2.8vw, 1.6rem) clamp(1.05rem, 2.6vw, 1.4rem);
}
.seo-faq__a p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: clamp(0.92rem, 1.6vw, 1rem);
  line-height: 1.72;
}
@media (max-width: 560px) {
  .seo-faq__list { gap: 0.6rem; }
}