/* Keep FAQ text contrast above 4.5:1 without changing shared styles. */
:root:not([data-theme="dark"]) .faq-page { --accent-dark: #077f77; }
.faq-main { width: min(1120px, calc(100% - 3rem)); margin-inline: auto; padding: clamp(2.5rem, 6vw, 5rem) 0 5rem; }
.faq-heading { max-width: 760px; margin-bottom: 3rem; }
.faq-heading h1 { margin: 0.6rem 0 1rem; color: var(--heading); font-size: clamp(2.25rem, 4.5vw, 3.65rem); line-height: 1.12; letter-spacing: -0.045em; text-wrap: balance; }
.faq-heading > p:last-child { max-width: 620px; margin: 0; color: var(--muted-text); font-size: 1.1rem; }
.faq-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); align-items: start; gap: clamp(2rem, 5vw, 4.5rem); }
.faq-topics { position: sticky; top: 6.5rem; padding: 1.25rem; border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--surface-soft); }
.faq-topics__label { margin: 0 0 0.75rem; color: var(--heading); font-size: 0.8rem; font-weight: 750; letter-spacing: 0.06em; text-transform: uppercase; }
.faq-topics ol { margin: 0; padding: 0; list-style: none; }
.faq-topics a { display: flex; align-items: center; min-height: 44px; padding: 0.55rem 0; color: var(--page-text); font-size: 0.9rem; line-height: 1.45; text-decoration: none; }
.faq-topics a:hover { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 0.2em; }
.faq-section { margin-bottom: 2.8rem; scroll-margin-top: 7rem; }
.faq-section h2 { display: flex; align-items: baseline; gap: 0.8rem; margin: 0 0 1rem; color: var(--heading); font-size: clamp(1.25rem, 2vw, 1.5rem); line-height: 1.35; letter-spacing: -0.025em; }
.faq-section h2 > span { flex-shrink: 0; color: var(--accent-dark); font-size: 0.78rem; font-weight: 750; letter-spacing: 0.02em; }
.faq-section details { border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--surface); scroll-margin-top: 7rem; }
.faq-section details + details { margin-top: 0.65rem; }
.faq-section details[open] { border-color: var(--line-strong); }
.faq-section details:target { border-color: var(--accent-dark); }
.faq-section summary { min-height: 60px; padding: 1rem 1.2rem; border-radius: inherit; color: var(--heading); font-weight: 650; line-height: 1.5; cursor: pointer; overflow-wrap: anywhere; scroll-margin-block: 6rem 1rem; }
.faq-section summary::marker { color: var(--accent-dark); font-size: 0.85em; }
.faq-section summary:hover { background: var(--surface-soft); }
.faq-section summary:focus-visible, .faq-page a:focus-visible, .faq-page button:focus-visible { outline: 3px solid var(--accent-dark); outline-offset: 3px; }
.faq-answer { max-width: 70ch; padding: 0 1.2rem 1.2rem; color: var(--page-text); }
.faq-answer p { margin: 0; }
.faq-answer p + p { margin-top: 0.8rem; }
.faq-answer a, .faq-back-top { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 0.2em; }
.faq-back-top { display: inline-flex; align-items: center; min-height: 44px; gap: 0.6rem; font-size: 0.9rem; font-weight: 650; }
.faq-page .footer-inner { grid-template-columns: 2fr 1fr 1fr; }
.faq-page [hidden] { display: none !important; }
.faq-tools { max-width: 760px; margin: -0.5rem 0 3rem; }
.faq-tools > label { display: block; margin-bottom: 0.65rem; color: var(--heading); font-size: 0.95rem; font-weight: 650; }
.faq-search-row { display: flex; align-items: center; gap: 0.75rem; }
.faq-search-row input { flex: 1; min-width: 0; width: 100%; min-height: 54px; padding: 0.85rem 1rem; border: 1px solid var(--line-strong); border-radius: 12px; background: var(--surface); color: var(--page-text); font: inherit; }
.faq-search-row input::placeholder { color: var(--muted-text); opacity: 1; }
.faq-search-row input:focus-visible { outline: 3px solid var(--accent-dark); outline-offset: 3px; }
.faq-tools-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; column-gap: 1rem; margin-top: 0.6rem; }
.faq-tools-bottom p { margin: 0; color: var(--muted-text); font-size: 0.85rem; }
.faq-control { min-height: 44px; padding: 0.5rem 0; border: 0; background: transparent; color: var(--accent-dark); font: inherit; font-size: 0.85rem; font-weight: 650; text-align: left; text-decoration: underline; text-underline-offset: 0.2em; cursor: pointer; }
.faq-empty { padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--surface-soft); margin-bottom: 1.5rem; }
.faq-empty h2 { color: var(--heading); margin: 0 0 0.5rem; font-size: 1.25rem; }
.faq-empty p { margin: 0; }
.faq-answer .faq-answer-link { margin-top: 1rem; font-size: 0.8rem; }
.faq-answer-link a { display: inline-flex; align-items: center; min-height: 44px; }
@media (max-width: 900px) {
  .faq-layout { grid-template-columns: 1fr; gap: 2rem; }
  .faq-topics { position: static; }
  .faq-topics ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 1.5rem; }
}
@media (max-width: 680px) {
  .faq-main { width: calc(100% - 2rem); padding-bottom: 3rem; }
  .faq-heading { margin-bottom: 2rem; }
  .faq-heading > p:last-child { font-size: 1rem; }
  .faq-page .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 420px) {
  .faq-search-row { flex-wrap: wrap; }
  .faq-search-row input { flex-basis: 100%; }
  .faq-topics ol, .faq-page .footer-inner { grid-template-columns: 1fr; }
  .faq-section summary { padding: 1rem; }
  .faq-answer { padding-inline: 1rem; }
}
@media (forced-colors: active) {
  .faq-section summary:focus-visible, .faq-page a:focus-visible, .faq-page button:focus-visible { outline-color: Highlight; }
}