/* =========================================================================
   <PricingFAQ /> — §5
   Build Packet 19 v2 — Pricing page Section 5.
   Off-White. Accordion. Visual pattern mirrors ca-faq (by COPY, not import).
   ========================================================================= */

.pr-faq {
  background: var(--color-surface);
  color: var(--color-ink);
  border-top: 1px solid var(--color-border);
}
.pr-faq__inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 120px var(--container-pad);
}

.pr-faq__head { max-width: 760px; margin: 0 0 48px 0; }
.pr-faq__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 20px 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.pr-faq__eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--color-primary);
}
.pr-faq__title {
  margin: 0 0 18px 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  text-wrap: balance;
}
.pr-faq__sub {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(17px, 1.3vw, 19px);
  line-height: 1.55;
  color: var(--color-ink-soft);
  max-width: 60ch;
}

.pr-faq__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-border);
}
.pr-faq__item {
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

/* Lime left-border that appears when an item is open. */
.pr-faq__item::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: -16px;
  width: 4px;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity 200ms var(--ease-out-soft);
  border-radius: 2px;
}
.pr-faq__item.is-open::before { opacity: 1; }

.pr-faq__h { margin: 0; }
.pr-faq__trigger {
  appearance: none;
  background: transparent;
  border: 0;
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 24px 8px;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--color-primary);
  transition: color 220ms var(--ease-out-soft);
}
.pr-faq__trigger:hover { color: var(--color-ink); }
.pr-faq__trigger:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 6px;
}

.pr-faq__num {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  display: inline-block;
  min-width: 26px;
}
.pr-faq__item.is-open .pr-faq__num { color: var(--color-primary); }

.pr-faq__q { display: inline-block; text-wrap: balance; }

.pr-faq__icon {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  position: relative;
  display: inline-block;
  justify-self: end;
}
.pr-faq__icon::before,
.pr-faq__icon::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 12px; height: 1.5px;
  background: var(--color-primary);
  border-radius: 1px;
  transform-origin: center;
  transition: transform 200ms ease-out;
}
.pr-faq__icon::before { transform: translate(-50%, -50%); }
.pr-faq__icon::after  { transform: translate(-50%, -50%) rotate(90deg); }
.pr-faq__item.is-open .pr-faq__icon::after { transform: translate(-50%, -50%) rotate(0deg); }

.pr-faq__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height 220ms ease-out;
}

.pr-faq__answer {
  margin: 0;
  padding: 0 8px 28px 44px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-ink-soft);
  max-width: 72ch;
}

.pr-faq__footnote {
  margin: 36px 8px 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 0.04em;
}

/* Responsive */
@media (max-width: 780px) {
  .pr-faq__inner { padding: 96px var(--container-pad); }
  .pr-faq__trigger { font-size: 17px; padding: 22px 4px; gap: 14px; }
  .pr-faq__answer { padding-left: 38px; }
}
@media (max-width: 540px) {
  .pr-faq__inner { padding: 80px 18px; }
  .pr-faq__answer { padding-left: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  .pr-faq__panel,
  .pr-faq__icon::before,
  .pr-faq__icon::after,
  .pr-faq__item::before {
    transition: none;
  }
}