/* ============================================================
   FAQ page — extends styles.css.
   ============================================================ */

/* ---- Hero ---- */
.faq-hero {
  position: relative;
  padding-top: 140px;
  padding-bottom: clamp(56px, 8vw, 88px);
  overflow: hidden;
  isolation: isolate;
}

.faq-hero__head {
  max-width: 920px;
}

.faq-hero__title {
  margin: 20px 0 0;
  font-size: clamp(56px, 8vw, 112px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  font-weight: 500;
  color: var(--ink);
  text-wrap: balance;
}

.faq-hero__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.025em;
  color: var(--ink-soft);
}

.faq-hero__lede {
  margin: 26px 0 0;
  max-width: 56ch;
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.45;
  color: var(--ink-soft);
}

/* ---- Search input ---- */
.faq-search {
  margin-top: 36px;
  position: relative;
  max-width: 560px;
}

.faq-search__field {
  width: 100%;
  height: 56px;
  padding: 0 22px 0 52px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  background: var(--paper-2);
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink);
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.faq-search__field::placeholder {
  color: var(--ink-fade);
}

.faq-search__field:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--ink) 8%, transparent);
}

.faq-search__icon {
  position: absolute;
  top: 50%;
  left: 22px;
  transform: translateY(-50%);
  color: var(--ink-mute);
  pointer-events: none;
}

.faq-search__count {
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  pointer-events: none;
}

/* ---- Layout ---- */
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
}

@media (min-width: 920px) {
  .faq-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 80px;
    align-items: start;
  }
}

/* ---- Sticky sidebar ---- */
.faq-aside {
  position: relative;
}

@media (min-width: 920px) {
  .faq-aside {
    position: sticky;
    top: 100px;
  }
}

.faq-aside__title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 16px;
}

.faq-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.faq-aside__item a {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: color 200ms var(--ease);
}

.faq-aside__item a:hover {
  color: var(--accent);
}

.faq-aside__item a.is-active {
  color: var(--accent);
}

.faq-aside__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}

.faq-aside__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-fade);
}

.faq-aside__cta {
  margin-top: 28px;
  padding: 22px 22px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--paper-2);
}

.faq-aside__cta h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.faq-aside__cta p {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ---- Main column ---- */
.faq-main {
  display: flex;
  flex-direction: column;
  gap: clamp(56px, 8vw, 88px);
}

.faq-section__head {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: baseline;
  margin-bottom: 28px;
}

.faq-section__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  padding-top: 6px;
}

.faq-section__title {
  margin: 0;
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--ink);
  line-height: 1.1;
}

.faq-section__dek {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* ---- Accordion ---- */
.accordion {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.accordion__item {
  border-bottom: 1px solid var(--line);
  transition: background 280ms var(--ease);
}

.accordion__item.is-open {
  background: linear-gradient(180deg, var(--paper-2), transparent 80%);
}

.accordion__trigger {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 22px 8px 22px 0;
  text-align: left;
  font-family: var(--font-sans);
  font-size: clamp(17px, 1.4vw, 19px);
  font-weight: 500;
  letter-spacing: -0.012em;
  color: var(--ink);
  line-height: 1.35;
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: color 220ms var(--ease);
}

.accordion__trigger:hover {
  color: var(--accent);
}

.accordion__item.is-open .accordion__trigger {
  color: var(--ink);
}

.accordion__trigger-meta {
  /* The numeric prefix (01.1) — first column */
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  font-weight: 500;
}

.accordion__trigger-text {
  grid-column: 2;
  text-wrap: balance;
}

.accordion__chev {
  grid-column: 3;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
  transition: transform 320ms cubic-bezier(0.34, 1.3, 0.64, 1),
              background 220ms var(--ease),
              border-color 220ms var(--ease);
}

.accordion__chev.is-open {
  transform: rotate(180deg);
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

/* Animated content — height is set inline by JS, easing here. */
.accordion__content {
  overflow: hidden;
  /* Spring-ish: stiff fast curve + slight ease-out on settle */
  transition: height 380ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: height;
}

.accordion__content-inner {
  padding: 0 8px 28px 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  /* Subtle slide-in for content text */
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 320ms var(--ease) 60ms, transform 360ms var(--ease) 60ms;
}

.accordion__item.is-open .accordion__content-inner {
  opacity: 1;
  transform: none;
}

.accordion__content-inner p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.6;
  max-width: 64ch;
}

.accordion__content-inner p + p {
  margin-top: 4px;
}

/* ---- Highlight for search matches ---- */
mark.faq-mark {
  background: var(--accent-soft);
  color: var(--ink);
  padding: 0 3px;
  border-radius: 3px;
}

/* ---- "No results" ---- */
.faq-empty {
  padding: 56px 0;
  text-align: center;
  color: var(--ink-mute);
}

.faq-empty__title {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 8px;
}

/* ---- Closing CTA ---- */
.faq-closing {
  margin-top: clamp(64px, 9vw, 96px);
  padding: clamp(36px, 5vw, 56px);
  border-radius: var(--radius-xl);
  background: var(--paper-2);
  border: 1px solid var(--line);
  text-align: center;
}

.faq-closing__title {
  margin: 0;
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 500;
  letter-spacing: -0.025em;
}

.faq-closing__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--ink-soft);
}

.faq-closing__lede {
  margin: 14px auto 28px;
  max-width: 48ch;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.5;
}

.faq-closing__ctas {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Dark mode polish */
[data-theme="dark"] .accordion__chev {
  background: var(--paper-2);
}
[data-theme="dark"] .accordion__item.is-open {
  background: linear-gradient(180deg, color-mix(in oklab, var(--paper-2) 60%, transparent), transparent 80%);
}