/* ═══════════════════════════════════════════
   치과정보(faq.html) — 자주 묻는 질문 + 주제별 건강정보
   질문 칸·부작용 안내는 sub.css의 .sub-faq·.side-note를 그대로 쓴다
   ═══════════════════════════════════════════ */

.faq-section {
  padding: 112px 48px 140px;
  background: #fff;
}
.faq-inner {
  max-width: 1080px;
  margin: 0 auto;
}

/* ── 머리: 왼쪽 제목, 오른쪽 출처·날짜 ───────────────── */
.faq-head {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 56px;
  align-items: end;
  margin-bottom: 56px;
}
.faq-head .section-eyebrow { margin-bottom: 12px; }
.faq-head .section-title { letter-spacing: -0.02em; }
.faq-head .section-desc {
  margin-top: 18px;
  max-width: 560px;
  color: var(--gray-500);
  word-break: keep-all;
}
.faq-meta {
  border-left: 3px solid var(--gold);
  padding: 4px 0 4px 22px;
}
.faq-meta dl > div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 14px;
  line-height: 1.6;
}
.faq-meta dt { color: var(--gray-400); font-weight: 500; }
.faq-meta dd { margin: 0; color: var(--gray-700); word-break: keep-all; }
.faq-meta-note {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-500);
  word-break: keep-all;
}

/* ── 분류 탭: 화면 위에 붙어 따라온다(글은 숨기지 않고 걸러 보이기만) ── */
.faq-filter {
  position: sticky;
  top: var(--header-h);
  z-index: 5;
  display: flex;
  gap: 8px;
  padding: 14px 0;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--gray-100);
  overflow-x: auto;
  scrollbar-width: none;
}
.faq-filter::-webkit-scrollbar { display: none; }
.faq-filter-btn {
  flex: 0 0 auto;
  appearance: none;
  border: 1px solid var(--gray-100);
  background: #fff;
  color: var(--gray-500);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .2s, color .2s, border-color .2s, transform .15s;
}
.faq-filter-btn span {
  margin-left: 4px;
  font-size: 12px;
  color: var(--gray-400);
  font-variant-numeric: tabular-nums;
}
.faq-filter-btn:hover { border-color: var(--gold); color: var(--navy); }
.faq-filter-btn:active { transform: scale(.97); }
.faq-filter-btn.is-active { background: var(--navy); border-color: var(--navy); color: #fff; }
.faq-filter-btn.is-active span { color: rgba(255, 255, 255, .7); }
.faq-filter-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* ── 분류 묶음 ──────────────────────────────────────── */
.faq-group {
  padding-top: 48px;
  scroll-margin-top: calc(var(--header-h) + 72px);
}
.faq-group.is-hidden { display: none; }
.faq-group-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 8px;
}
.faq-group-title span { font-weight: 400; color: var(--gray-400); }
.faq-item { scroll-margin-top: calc(var(--header-h) + 72px); }
.faq-item .side-note { margin-top: 14px; }

/* 답 아래 이어지는 진료 안내·건강정보 글 */
.faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-top: 14px;
}
.faq-links a {
  font-size: 14px;
  line-height: 1.5;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-200);
  transition: color .2s, border-color .2s;
}
.faq-links a:hover { color: var(--gold); border-color: var(--gold); }
.faq-links em {
  font-style: normal;
  font-weight: 600;
  color: var(--gold);
  margin-right: 6px;
}

/* 분류별 건강정보 글 목록 */
.faq-posts {
  margin-top: 28px;
  padding: 24px 28px;
  background: var(--gray-50);
  border-radius: 12px;
}
.faq-posts-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}
.faq-posts-title span { font-weight: 400; color: var(--gray-400); margin-left: 4px; }
.faq-posts-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 32px;
}
.faq-posts-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 14px;
  line-height: 1.5;
}
.faq-posts-list a { color: var(--gray-700); word-break: keep-all; }
.faq-posts-list a:hover { color: var(--gold); }
.faq-posts-list time {
  flex: 0 0 auto;
  color: var(--gray-400);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.faq-cta {
  margin-top: 72px;
  padding-top: 40px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.faq-cta p { font-size: 16px; color: var(--gray-600); }

@media (max-width: 1199px) {
  .faq-section { padding: 88px 32px 112px; }
  .faq-head { gap: 36px; }
}
@media (max-width: 767px) {
  .faq-section { padding: 56px 16px 88px; }
  .faq-head { grid-template-columns: 1fr; gap: 28px; margin-bottom: 32px; }
  .faq-filter { margin: 0 -16px 16px; padding: 12px 16px; }
  .faq-group { padding-top: 36px; }
  .faq-group-title { font-size: 20px; }
  .faq-posts { padding: 18px 16px; }
  .faq-posts-list { grid-template-columns: 1fr; }
  .faq-cta { margin-top: 48px; }
  .faq-cta .btn-primary { width: 100%; justify-content: center; }
}