/* ============================================
   Sub Pages - Clean White Tone (Matching Main)
   ============================================ */

/* === Page Hero Banner === */
.page-hero {
  padding: 140px 0 56px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.page-hero .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-hero-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.page-hero-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  margin-bottom: 8px;
  line-height: 1.3;
}

.page-hero-breadcrumb {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0;
}

.page-hero-breadcrumb a {
  color: var(--text-muted);
}

.page-hero-breadcrumb a:hover {
  color: var(--text-primary);
}

.page-hero-breadcrumb .sep {
  margin: 0 6px;
  color: var(--text-light);
}

/* === Sub Navigation === */
.sub-nav {
  border-bottom: 1px solid var(--border);
  background: var(--white);
  position: sticky;
  top: 62px;
  z-index: 90;
}

.sub-nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.sub-nav-inner::-webkit-scrollbar { display: none; }

.sub-nav-link {
  padding: 14px 20px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: var(--duration) var(--ease);
}

.sub-nav-link:hover {
  color: var(--text-primary);
}

.sub-nav-link.active {
  color: var(--text-primary);
  font-weight: 600;
  border-bottom-color: var(--text-primary);
}

/* === Page Content === */
.page-content {
  padding: 64px 0 100px;
  background: var(--bg);
}

.page-content > .container,
.page-content > .content-section {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-content.wide > .container,
.page-content.wide > .content-section {
  max-width: var(--max-w);
}

/* === Content Typography === */
.content-section {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

.content-section + .content-section {
  margin-top: 56px;
}

.content-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--text-primary);
}

.content-subtitle {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  margin-top: 32px;
  padding-left: 12px;
  border-left: 3px solid var(--text-primary);
}

.content-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.content-text:last-child {
  margin-bottom: 0;
}

.content-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.content-signature {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: right;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.content-signature strong {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-left: 6px;
}

/* === Info Cards === */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.info-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  transition: var(--duration) var(--ease);
}

.info-card:hover {
  border-color: var(--text-light);
  box-shadow: var(--shadow-sm);
}

.info-card-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.info-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.info-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === Program Box === */
.program-box {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  background: var(--white);
  transition: var(--duration) var(--ease);
}

.program-box:hover {
  border-color: var(--text-light);
}

.program-box:last-child {
  margin-bottom: 0;
}

.program-box-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.program-box-badge {
  padding: 3px 10px;
  background: var(--text-primary);
  color: white;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.program-box-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.program-box ul {
  list-style: none;
  padding: 0;
}

.program-box li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.program-box li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-light);
}

.program-box li:last-child {
  margin-bottom: 0;
}

/* === Table === */
.content-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.88rem;
}

.content-table th,
.content-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.content-table th {
  background: var(--bg-soft);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.82rem;
  letter-spacing: 0.01em;
}

.content-table td {
  color: var(--text-secondary);
}

.content-table tbody tr:hover td {
  background: var(--bg-soft);
}

/* === Map === */
.map-wrapper {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: 20px;
}

.map-wrapper iframe {
  width: 100%;
  height: 360px;
  border: none;
  display: block;
}

.map-info {
  padding: 24px;
  background: var(--bg-soft);
}

.map-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.map-info-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.map-info-icon {
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.map-info-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 1px;
}

.map-info-value {
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* === Gallery Grid === */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--white);
  transition: var(--duration) var(--ease);
}

.gallery-item:hover {
  border-color: var(--text-light);
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.gallery-item-body {
  padding: 14px 16px;
}

.gallery-item-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* === Org Chart === */
.org-chart {
  text-align: center;
  padding: 32px 0 16px;
}

.org-level {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.org-card {
  padding: 14px 28px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  min-width: 130px;
}

.org-card.head {
  background: var(--text-primary);
  color: white;
  border-color: var(--text-primary);
}

.org-card-role {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 2px;
  letter-spacing: 0.03em;
}

.org-card.head .org-card-role {
  color: rgba(255,255,255,0.5);
}

.org-card-name {
  font-size: 0.92rem;
  font-weight: 700;
}

.org-connector {
  display: flex;
  justify-content: center;
  padding: 16px 0;
}

.org-connector::before {
  content: '';
  width: 1px;
  height: 28px;
  background: var(--border);
}

/* === Contact Form === */
.contact-form {
  margin-top: 28px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 5px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.88rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--white);
  transition: var(--duration) var(--ease);
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--text-primary);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-light);
}

.form-textarea {
  height: 140px;
  resize: vertical;
}

.form-submit {
  padding: 12px 32px;
  background: var(--text-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: var(--duration) var(--ease);
  margin-top: 4px;
}

.form-submit:hover {
  opacity: 0.85;
}

/* === Board List === */
.board-list {
  border-top: 2px solid var(--text-primary);
  margin-top: 20px;
}

.board-item {
  display: flex;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  gap: 16px;
  transition: var(--duration) var(--ease);
}

.board-item:hover {
  padding-left: 6px;
}

.board-num {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 32px;
  text-align: center;
}

.board-title {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

.board-date {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-state-text {
  font-size: 0.9rem;
}

/* === Responsive === */
@media (max-width: 768px) {
  .page-hero { padding: 110px 0 40px; }
  .sub-nav { top: 52px; }
  .sub-nav-link { padding: 12px 14px; font-size: 0.82rem; }
  .page-content { padding: 48px 0 72px; }
  .content-section { padding: 0 20px; }
  .info-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .map-info-grid { grid-template-columns: 1fr; }
  .org-level { gap: 8px; }
  .org-card { padding: 10px 20px; min-width: 100px; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .board-date { display: none; }
}