/* Страница «Вопросы и ответы» (/faq/, часть 7 #365). Аккордеон — components.css (.faq).
   Кандидаты в общий набор (для части 8): поле поиска (.fq-search), боковой список групп (.fq-nav). */

.fq-hero { padding-bottom: clamp(40px, 5vw, 64px); }

/* ---------- Поиск ---------- */
.fq-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 720px;
  height: 60px;
  margin-top: clamp(32px, 4vw, 48px);
  padding: 0 20px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  transition: border-color 200ms, box-shadow 200ms;
}
.fq-search:focus-within { border-color: color-mix(in srgb, var(--violet) 50%, transparent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--violet) 12%, transparent), var(--shadow-md); }
.fq-search svg { width: 20px; height: 20px; flex: none; color: var(--ink-400); }
.fq-search input {
  flex: 1;
  min-width: 0;
  height: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  font: inherit;
  font-size: 16.5px;
  color: var(--ink-900);
}
.fq-search input::placeholder { color: var(--ink-400); }
.fq-search-count { flex: none; font-family: var(--font-mono); font-size: 12px; color: var(--ink-500); }

/* ---------- Раскладка ---------- */
.fq-layout {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
.fq-side { position: sticky; top: 104px; display: grid; gap: 28px; }
.fq-nav { display: grid; gap: 2px; }
.fq-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 42px;
  padding: 0 14px;
  border-radius: 11px;
  color: var(--ink-700);
  font-size: 15px;
  transition: background-color 180ms, color 180ms;
}
.fq-nav-link:hover { background: var(--surface-2); color: var(--ink-900); }
.fq-nav-link.is-active { background: var(--surface); color: var(--ink-900); font-weight: 550; box-shadow: 0 0 0 1px var(--line), var(--shadow-sm); }
.fq-nav-link.is-empty { color: var(--ink-300); }
.fq-nav-count { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-400); font-variant-numeric: tabular-nums; }
.fq-help {
  display: grid;
  gap: 8px;
  justify-items: start;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.fq-help b { font-size: 15.5px; color: var(--ink-900); font-weight: 600; }
.fq-help p { font-size: 14px; color: var(--ink-500); line-height: 1.5; margin-bottom: 6px; }

.fq-main { display: grid; gap: clamp(40px, 5vw, 64px); }
.fq-group { scroll-margin-top: 96px; }
.fq-group[hidden] { display: none; }
.fq-group-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 560;
  letter-spacing: -0.025em;
  color: var(--ink-900);
}
.fq-group-num { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0; color: var(--violet-ink); }
.fq-group .faq-item[hidden] { display: none; }
.faq-a-inner a { color: var(--violet-ink); text-decoration: underline; text-underline-offset: 3px; }

.fq-empty {
  display: grid;
  gap: 8px;
  justify-items: start;
  padding: 32px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
}
.fq-empty[hidden] { display: none; }
.fq-empty b { font-family: var(--font-display); font-size: 22px; font-weight: 560; color: var(--ink-900); }
.fq-empty p { color: var(--ink-500); margin-bottom: 8px; }

@media (max-width: 960px) {
  .fq-layout { grid-template-columns: 1fr; }
  .fq-side { position: static; }
  .fq-nav { display: flex; flex-wrap: wrap; gap: 8px; }
  .fq-nav-link { height: 36px; padding: 0 12px; gap: 8px; border: 1px solid var(--line-strong); border-radius: 999px; font-size: 14px; }
  .fq-help { display: none; }
}
@media (max-width: 560px) {
  .fq-search { height: 54px; padding: 0 16px; }
  .fq-search input { font-size: 16px; }
  .faq-a-inner { padding-right: 0; }
}