:root {
  --color-primary: #4b3f2f;
  --color-primary-dark: #2f2720;
  --color-accent: #c9a86b;
  --color-accent-light: #e8d5b0;
  --color-accent-dark: #8b6914;
  --color-bg: #faf8f5;
  --color-bg-alt: #f3ede4;
  --color-surface: #ffffff;
  --color-muted: #8a7b6a;
  --color-border: rgba(75, 63, 47, 0.1);
  --nav-height: 76px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(47, 39, 32, 0.04);
  --shadow-md: 0 8px 32px rgba(47, 39, 32, 0.08);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

body.subpage {
  background: var(--color-bg);
  padding-top: var(--nav-height);
}

body.subpage .navbar {
  background: rgba(250, 248, 245, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 0.65rem 0;
}

body.subpage .navbar .logo {
  color: var(--color-primary-dark);
  text-shadow: none;
  font-weight: 700;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.subpage .navbar .nav-menu a {
  color: var(--color-primary-dark);
  font-weight: 600;
  text-shadow: none;
}

body.subpage .navbar .nav-menu a:hover,
body.subpage .navbar .nav-menu a.active {
  color: var(--color-accent-dark);
  background: rgba(201, 168, 107, 0.12);
}

body.subpage .navbar .nav-search-link {
  color: var(--color-primary-dark);
}

body.subpage .navbar .nav-search-link:hover {
  color: var(--color-accent-dark);
}

body.subpage .navbar .nav-search-form input {
  color: var(--color-text);
  background: var(--color-surface);
  border-color: var(--color-border);
}

body.subpage .navbar .nav-search-form input::placeholder {
  color: var(--color-muted);
}

body.subpage .navbar .nav-search-form button {
  color: var(--color-accent-dark);
}

body.subpage .navbar .nav-toggle span {
  background: var(--color-primary-dark);
}

.page-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

.page-header {
  margin-bottom: 1rem;
}

.page-header .section-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 0.75rem;
}

.page-header h1 {
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  color: var(--color-primary);
  margin-bottom: 0.85rem;
  letter-spacing: -0.03em;
  font-weight: 600;
}

.page-header h1::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
  margin-top: 1rem;
  border-radius: 2px;
}

.page-header p {
  color: var(--color-muted);
  line-height: 1.75;
  max-width: 640px;
  font-size: 1.02rem;
}

.lecture-notice {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent-dark);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: #5c534a;
  font-size: 0.93rem;
  line-height: 1.75;
  box-shadow: var(--shadow-sm);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}

.course-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.course-card .card-media {
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.course-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.course-card:hover img {
  transform: scale(1.05);
}

.course-card .card-title {
  padding: 1.25rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: center;
  color: var(--color-primary);
  background: var(--color-bg);
  letter-spacing: -0.02em;
}

/* Course detail */
.course-detail {
  background: var(--color-surface);
  padding: 2.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.course-detail h1 {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  color: var(--color-primary);
  margin-bottom: 0.4rem;
  letter-spacing: -0.03em;
  font-weight: 600;
}

.course-subtitle {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.title-divider {
  height: 2px;
  width: 60px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
  margin-bottom: 1.5rem;
  border-radius: 2px;
}

.course-description {
  color: #5c534a;
  margin-bottom: 2rem;
  line-height: 1.8;
  font-size: 0.98rem;
}

.content-wrapper {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.course-details {
  flex: 1;
  min-width: 280px;
}

.course-image {
  flex: 1;
  min-width: 280px;
  display: flex;
  justify-content: center;
}

.course-image img {
  width: 100%;
  max-width: 380px;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.detail-section h2 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.detail-section h2::before {
  content: '';
  width: 4px;
  height: 18px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-dark));
  border-radius: 2px;
}

.detail-section ul {
  list-style: none;
  padding-left: 0.5rem;
  color: #5c534a;
  line-height: 1.9;
  font-size: 0.95rem;
}

.detail-section li {
  padding: 0.2rem 0;
}

.meta-info {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.meta-item {
  margin-bottom: 0.5rem;
  color: #5c534a;
  font-size: 0.93rem;
}

.meta-item:last-child {
  margin-bottom: 0;
}

.meta-item strong {
  color: var(--color-primary);
  font-weight: 600;
}

.apply-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all var(--transition);
  letter-spacing: -0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-dark), var(--color-primary));
  color: #fff;
  box-shadow: 0 4px 16px rgba(75, 63, 47, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(75, 63, 47, 0.28);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid rgba(75, 63, 47, 0.25);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  background: var(--color-bg);
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 1.75rem;
}

.breadcrumb a {
  color: var(--color-accent-dark);
  text-decoration: none;
  transition: color var(--transition);
}

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

/* Thank-you & policy shared */
.page-centered {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--color-bg);
}

.centered-box {
  max-width: 480px;
  background: var(--color-surface);
  padding: 3rem 2.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.centered-box h1 {
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.centered-box p {
  color: var(--color-muted);
  margin-bottom: 1.75rem;
  line-height: 1.85;
  font-size: 0.95rem;
}

.centered-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.centered-actions .cta-button.secondary {
  color: var(--color-primary);
  border: 1.5px solid rgba(75, 63, 47, 0.2);
  background: var(--color-bg);
  box-shadow: none;
}

.centered-actions .cta-button.secondary:hover {
  background: var(--color-bg-alt);
  box-shadow: var(--shadow-sm);
}

.policy-content {
  max-width: 720px;
  line-height: 1.9;
  color: #5c534a;
  font-size: 0.95rem;
}

.policy-content h2 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin: 2.25rem 0 0.75rem;
  font-weight: 600;
}

.policy-content p,
.policy-content li {
  margin-bottom: 0.65rem;
}

.policy-content ul {
  padding-left: 1.25rem;
}

@media (max-width: 768px) {
  .course-grid {
    grid-template-columns: 1fr;
  }

  .content-wrapper {
    flex-direction: column-reverse;
  }

  .course-detail {
    padding: 1.75rem;
  }

  .apply-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

/* ── Institute pages ── */
.institute-header.page-header {
  margin-bottom: 2rem;
}

.institute-header-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  margin-bottom: 0.85rem;
}

.institute-header-title-row h1 {
  margin-bottom: 0;
}

.institute-header h1 {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.institute-header-icon {
  color: var(--color-accent-dark);
  font-size: 0.85em;
}

.institute-header-cta {
  flex-shrink: 0;
  align-self: center;
  margin-top: 0.15rem;
}

.institute-header-intro {
  max-width: none;
  white-space: nowrap;
  font-size: clamp(0.82rem, 1.35vw, 1.02rem);
  line-height: 1.5;
  margin-bottom: 0;
  text-align: left;
}

.institute-header-intro--stacked {
  white-space: normal;
  max-width: 52rem;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .institute-header-title-row {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .institute-header-intro {
    white-space: normal;
    font-size: 0.95rem;
    line-height: 1.7;
  }
}

.institute-count {
  font-size: 0.88rem;
  color: var(--color-muted);
  margin: 0;
  white-space: nowrap;
}

.institute-section {
  margin-bottom: 3rem;
}

.institute-section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.institute-section-heading .institute-section-title {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.institute-section-title {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.sub-filter {
  margin-top: 1rem;
}

.category-filter.sub-filter .category-chip {
  font-size: 0.78rem;
  padding: 0.35rem 0.75rem;
}

.article-subtag {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--color-muted);
  margin-left: 0.35rem;
  padding: 0.15rem 0.5rem;
  background: rgba(75, 63, 47, 0.06);
  border-radius: 4px;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0 1.5rem;
}

.tag-chip {
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-muted);
}

/* ── About / legal prose ── */
.prose-block {
  max-width: 640px;
  line-height: 1.9;
  color: var(--color-text);
  font-size: 1.02rem;
}

.prose-block p {
  margin-bottom: 1.25rem;
}

.vision-block {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.vision-block h2 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.prose-block.legal h2 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin: 2rem 0 0.75rem;
}

/* ── FAQ ── */
.faq-list {
  max-width: 720px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  background: var(--color-surface);
  overflow: hidden;
}

.faq-item summary {
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  font-weight: 500;
  color: var(--color-primary);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  padding: 0 1.25rem 1.25rem;
  color: var(--color-muted);
  line-height: 1.75;
  font-size: 0.95rem;
}

/* ── Profile page ── */
.profile-page {
  margin-top: 1rem;
}

.profile-subhead {
  font-size: 1rem;
  color: var(--color-primary);
  margin: 1.5rem 0 0.65rem;
}

.profile-list {
  list-style: none;
  padding: 0;
  color: var(--color-muted);
  line-height: 1.8;
  font-size: 0.95rem;
}

.profile-list li {
  padding-left: 1rem;
  position: relative;
}

.profile-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

/* ── Academy page blocks ── */
.academy-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1.25rem 1.75rem;
  margin: 0 0 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(201, 168, 107, 0.28);
}

.academy-tab {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-muted);
  text-decoration: none;
  letter-spacing: -0.02em;
  line-height: 1.3;
  transition: color var(--transition);
}

.academy-tab:hover {
  color: var(--color-primary);
}

.academy-tab.active {
  color: var(--color-primary);
}

.academy-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.academy-nav-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 1.35rem 1.25rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.academy-nav-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.academy-nav-card.active {
  border-color: rgba(201, 168, 107, 0.45);
  background: linear-gradient(135deg, rgba(201, 168, 107, 0.12) 0%, rgba(250, 248, 245, 0.95) 100%);
  box-shadow: var(--shadow-sm);
}

.academy-nav-card h3 {
  font-size: 1rem;
  color: var(--color-primary);
  margin: 0;
}

.academy-nav-card p {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.45;
}

.academy-nav-card .academy-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(201, 168, 107, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-dark);
  font-size: 1rem;
}

.info-type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.info-type-card {
  padding: 1.5rem 1.35rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.info-type-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-accent-dark);
  background: rgba(201, 168, 107, 0.12);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  margin-bottom: 0.65rem;
}

.info-type-card h3 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
}

.info-type-card p {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
}

.academy-block {
  margin-bottom: 4rem;
  scroll-margin-top: calc(var(--nav-height) + 1rem);
}

.academy-block-title {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.academy-block-desc {
  color: var(--color-muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.academy-cta {
  margin-top: 2rem;
  display: flex;
  justify-content: flex-end;
}

.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--color-muted);
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}

.empty-state i {
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.empty-state h3 {
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

@media (max-width: 992px) {
  .academy-nav,
  .info-type-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .academy-nav,
  .info-type-grid {
    grid-template-columns: 1fr;
  }

  .academy-tabs {
    gap: 1rem 1.35rem;
  }

  .academy-tab {
    font-size: 1.2rem;
  }
}