/* ===== Introduce + History Page (통합) ===== */
.dg-introduce { display: flex; flex-direction: column; gap: 24px; }

/* ── 버블 장식 (공통 유틸리티) ── */
.dg-bubble-deco {
  position: relative;
  overflow: hidden;
}
.dg-bubble-deco::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -15px;
  width: var(--bubble-lg, 90px);
  height: var(--bubble-lg, 90px);
  background: var(--bubble-lg-bg, rgba(255,255,255,.04));
  border-radius: 50%;
  pointer-events: none;
}
.dg-bubble-deco::after {
  content: '';
  position: absolute;
  bottom: -15px;
  right: 40px;
  width: var(--bubble-sm, 55px);
  height: var(--bubble-sm, 55px);
  background: var(--bubble-sm-bg, rgba(255,255,255,.03));
  border-radius: 50%;
  pointer-events: none;
}

/* ── 메인 소개 ── */
.dg-intro-hero {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 0;
  align-items: stretch;
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: 0 14px 40px rgba(2,6,23,.06);
  overflow: hidden;
}
.dg-intro-hero__img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  min-height: 280px;
}
.dg-intro-hero__body {
  padding: 28px;
  line-height: 1.8;
  color: var(--dg-text);
}
.dg-intro-hero__body p { margin-bottom: 12px; }
.dg-intro-hero__body p:last-child { margin-bottom: 0; }
.dg-intro-hero__lead {
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 6px;
}
.dg-intro-hero__title {
  font-family: 'Noto Serif KR', serif;
  font-weight: 950;
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  letter-spacing: -.03em;
  color: var(--ink);
  margin-bottom: 16px;
}

/* ── 섹션 카드 ── */
.dg-section-card {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: 0 14px 40px rgba(2,6,23,.06);
  overflow: hidden;
}
.dg-section-card__head {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .95rem 1.25rem;
  background: var(--dg-primary-gradient);
  border-bottom: none;
}
.dg-section-card__icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(45,74,30,.10);
  display: flex; align-items: center; justify-content: center;
  color: #2d4a1e;
  font-size: 1.05rem;
  flex-shrink: 0;
}
.dg-section-card__label {
  display: inline-block;
  font-size: .62rem; font-weight: 600;
  color: rgba(45,74,30,.5);
  background: rgba(45,74,30,.12);
  padding: .12rem .5rem;
  border-radius: 4px;
  margin-bottom: .1rem;
  letter-spacing: .02em;
}
.dg-section-card__title {
  font-family: 'Noto Serif KR', serif;
  font-size: 1.05rem; font-weight: 700;
  color: #2d4a1e;
  margin: 0;
  letter-spacing: -.02em;
  position: relative;
}
.dg-section-card__body {
  padding: 20px 22px;
  line-height: 1.8;
  color: var(--dg-text);
}
.dg-section-card__body p { margin-bottom: 12px; }
.dg-section-card__body p:last-child { margin-bottom: 0; }

/* ── 볼거리 스트립 ── */
.dg-highlight-strip {
  display: flex; flex-wrap: wrap; gap: 10px;
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: 0 14px 40px rgba(2,6,23,.06);
}
.dg-highlight-strip__item {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(45,74,30,.06);
  border: 1px solid rgba(45,74,30,.14);
  color: #2d4a1e;
  font-weight: 800;
  font-size: .92rem;
}
.dg-highlight-strip__item i { color: #4a7c3f; }

/* ── 시설 그리드 ── */
.dg-grid-heading {
  font-weight: 950;
  letter-spacing: -.03em;
  font-size: 1.15rem;
  margin: 0;
}
.dg-facility-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.dg-facility-card {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: 0 14px 40px rgba(2,6,23,.06);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.dg-facility-card--full {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: stretch;
}
.dg-facility-card__img {
  overflow: hidden;
  flex-shrink: 0;
}
.dg-facility-card__img img {
  width: 100%; height: 200px;
  object-fit: cover; display: block;
  transition: transform .35s ease;
}
.dg-facility-card:hover .dg-facility-card__img img {
  transform: scale(1.05);
}
.dg-facility-card--full .dg-facility-card__img img {
  width: 280px; height: 100%;
}
.dg-facility-card__body {
  padding: 20px;
  display: flex; flex-direction: column; gap: 10px;
  line-height: 1.8;
  color: var(--dg-text);
}
.dg-facility-card__body p { margin-bottom: 0; }
.dg-facility-card__badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(45,74,30,.06);
  border: 1px solid rgba(45,74,30,.14);
  color: #2d4a1e;
  font-weight: 800;
  font-size: .82rem;
  width: fit-content;
}
.dg-facility-card__title {
  font-family: 'Noto Serif KR', serif;
  margin: 0;
  font-weight: 950;
  font-size: 1.05rem;
  letter-spacing: -.02em;
}
.dg-facility-card__list {
  padding-left: 0;
  list-style: none;
  margin: 0;
  display: flex; flex-direction: column; gap: 6px;
}
.dg-facility-card__list li {
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(45,74,30,.04);
  border: 1px solid rgba(45,74,30,.10);
  color: #374151;
  font-size: .92rem;
  line-height: 1.6;
}
.dg-facility-card__list li:hover {
  background: rgba(45,74,30,.08);
  border-color: rgba(45,74,30,.18);
}
.dg-facility-card__note {
  margin: 0;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(2,6,23,.04);
  color: var(--muted);
  font-size: .9rem;
  font-weight: 700;
}

/* ── 층별 안내 ── */
.dg-floor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.dg-floor-item {
  padding: 14px;
  border-radius: 14px;
  background: rgba(2,6,23,.02);
  border: 1px solid var(--stroke);
  display: flex; flex-direction: column; gap: 10px;
}
.dg-floor-item__label {
  font-weight: 900;
  font-size: .92rem;
  color: var(--brand);
  display: flex; align-items: center; gap: 6px;
}

/* ── 타임라인 ── */
.dg-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 24px;
}
.dg-timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--dg-text);
  border-radius: 2px;
}

.dg-tl-item {
  position: relative;
  padding: 16px 0 16px 28px;
  border-bottom: 1px dashed rgba(2,6,23,.08);
}
.dg-tl-item:last-child { border-bottom: 0; }

/* 타임라인 점 */
.dg-tl-item::before {
  content: '';
  position: absolute;
  left: -29px; top: 22px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--brand);
  box-shadow: 0 0 0 3px rgba(25,179,106,.15);
}

/* 하이라이트 */
.dg-tl-item--highlight::before {
  background: var(--brand);
  width: 13px; height: 13px;
  left: -30px; top: 21px;
  box-shadow: 0 0 0 4px rgba(25,179,106,.20);
}

.dg-tl-year {
  font-weight: 950;
  font-size: 1.25rem;
  letter-spacing: -.03em;
  color: var(--brand);
  margin-bottom: 10px;
  line-height: 1;
}
.dg-tl-item--highlight .dg-tl-year {
  font-size: 1.4rem;
}

.dg-tl-events {
  list-style: none;
  padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.dg-tl-events li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 14px;
  border-radius: 12px;
  background: rgba(2,6,23,.02);
  border: 1px solid rgba(2,6,23,.06);
  font-size: .94rem;
  line-height: 1.6;
  color: var(--dg-text);
  transition: background .18s ease;
}
.dg-tl-events li:hover {
  background: var(--dg-primary-soft);
  border-color: rgba(25,179,106,.18);
}
.dg-tl-item--highlight .dg-tl-events li {
  background: var(--dg-primary-soft);
  border-color: rgba(25,179,106,.15);
}

.dg-tl-month {
  font-weight: 900;
  color: var(--brand);
  white-space: nowrap;
  font-size: .88rem;
  min-width: 36px;
}

/* ── 토글 ── */
.dg-toggle-head {
  cursor: pointer;
  user-select: none;
}
.dg-toggle-btn {
  margin-left: auto;
  width: 32px; height: 32px;
  border-radius: 8px;
  border: 1px solid rgba(45,74,30,.15);
  background: rgba(45,74,30,.08);
  color: #2d4a1e;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem;
  cursor: pointer;
  transition: transform .3s, background .2s;
  flex-shrink: 0;
}
.dg-toggle-head:hover .dg-toggle-btn {
  background: rgba(45,74,30,.15);
}
.dg-toggle-btn i {
  transition: transform .3s;
}
.dg-toggle-head.is-collapsed .dg-toggle-btn i {
  transform: rotate(180deg);
}

/* 토글 바디 */
.dg-toggle-body {
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
}
.dg-toggle-body.is-hidden {
  max-height: 0 !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

/* ── 반응형 ── */
@media (max-width: 992px) {
  .dg-intro-hero { grid-template-columns: 1fr; }
  .dg-intro-hero__img { min-height: 220px; }
  .dg-intro-hero__body { padding: 20px; }
  .dg-facility-grid { grid-template-columns: 1fr; }
  .dg-facility-card--full { flex-direction: column; }
  .dg-facility-card--full .dg-facility-card__img img { width: 100%; height: 220px; }
  .dg-floor-grid { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
  .dg-highlight-strip { gap: 8px; }
  .dg-highlight-strip__item { font-size: .84rem; padding: 8px 12px; }
  .dg-timeline { padding-left: 18px; }
  .dg-tl-item { padding-left: 20px; }
  .dg-section-card__head { padding: .8rem 1rem; }
  .dg-section-card__body { padding: 16px; }
  .dg-section-card__icon { width: 34px; height: 34px; font-size: .9rem; }
  .dg-section-card__title { font-size: .95rem; }
  .dg-tl-events li { flex-direction: column; gap: 4px; }
}