/* Teaching page styling */

:root {
  --teaching-text-color: var(--global-text-color);
  --teaching-muted-color: rgba(0, 0, 0, 0.6);
  --teaching-link-color: var(--global-link-color);
  --teaching-surface: rgba(0, 0, 0, 0.03);
  --teaching-surface-strong: rgba(0, 0, 0, 0.045);
  --teaching-border-color: rgba(0, 0, 0, 0.08);
  --teaching-hero-bg-start: rgba(0, 0, 0, 0.04);
  --teaching-hero-bg-end: rgba(0, 0, 0, 0.015);
}

html[data-theme="dark"] {
  --teaching-text-color: var(--global-text-color);
  --teaching-muted-color: rgba(255, 255, 255, 0.65);
  --teaching-link-color: var(--global-link-color);
  --teaching-surface: rgba(255, 255, 255, 0.02);
  --teaching-surface-strong: rgba(255, 255, 255, 0.04);
  --teaching-border-color: rgba(255, 255, 255, 0.12);
  --teaching-hero-bg-start: rgba(33, 33, 33, 0.85);
  --teaching-hero-bg-end: rgba(80, 80, 80, 0.15);
}

.teaching-page {
  color: var(--teaching-text-color);
}

.teaching-page a {
  color: var(--teaching-link-color);
}

.teaching-hero {
  padding: 1.75rem;
  border-radius: 18px;
  border: 1px solid var(--teaching-border-color);
  background: linear-gradient(135deg, var(--teaching-hero-bg-start), var(--teaching-hero-bg-end));
  line-height: 1.6;
}

.hero-stats {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.9rem;
}

.stat-card {
  padding: 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--teaching-border-color);
  background: var(--teaching-surface-strong);
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teaching-muted-color);
}

.stat-value {
  font-size: 1.45rem;
  font-weight: 600;
}

.teaching-pillars,
.teaching-areas,
.teaching-summary,
.teaching-catalogue {
  margin-top: 2rem;
}

.teaching-pillars h2,
.teaching-areas h2,
.teaching-summary h2,
.teaching-catalogue h2 {
  margin-bottom: 0.75rem;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.pillar-card {
  padding: 1rem;
  border-radius: 14px;
  border: 1px solid var(--teaching-border-color);
  background: var(--teaching-surface);
  line-height: 1.4;
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.area-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
}

.area-card {
  padding: 1rem;
  border-radius: 14px;
  border: 1px solid var(--teaching-border-color);
  background: var(--teaching-surface);
}

.teaching-summary ul {
  margin: 0;
  padding-left: 1.25rem;
  line-height: 1.6;
  color: var(--teaching-text-color);
}

.institution-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.institution-card {
  border-radius: 16px;
  border: 1px solid var(--teaching-border-color);
  background: var(--teaching-surface);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.institution-card--accent {
  border: none;
  background: linear-gradient(135deg, rgba(25, 30, 65, 0.95), rgba(64, 88, 155, 0.75));
  color: #f4f6ff;
  box-shadow: 0 25px 45px rgba(19, 24, 49, 0.25);
}

.institution-card--accent .institution-years,
.institution-card--accent .course-list,
.institution-card--accent .institution-note {
  color: rgba(244, 246, 255, 0.85);
}

.institution-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--teaching-muted-color);
}

.institution-head {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.institution-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.institution-brand h3 {
  margin: 0;
  line-height: 1.2;
}

.institution-years {
  margin: 0;
  font-size: 0.9rem;
  color: var(--teaching-muted-color);
}

.course-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--teaching-text-color);
}

.course-list li + li {
  margin-top: 0.35rem;
}

@media (max-width: 640px) {
  .institution-grid {
    grid-template-columns: 1fr;
  }
}