/* Hub de Cursos / Catálogo Principal */
.hub-view {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem 1.5rem;
}

.hub-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.hub-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--tekhelet);
  color: #fff;
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 1rem;
}

.hub-title {
  font-family: 'Frank Ruhl Libre', serif;
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--ink);
  margin: 0.5rem 0 1rem 0;
  line-height: 1.15;
}

.hub-subtitle {
  font-family: 'Source Serif 4', serif;
  font-size: 1.25rem;
  color: #5a5040;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.6;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.course-card {
  background: #fff;
  border: 2px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
  border-color: var(--gold);
}

.course-card-cover {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 2px solid var(--line);
  cursor: pointer;
}

.course-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.course-card-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--gold);
  background: #1c2836;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  align-self: flex-start;
  margin-bottom: 0.8rem;
}

.course-card-title {
  font-family: 'Frank Ruhl Libre', serif;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 0.5rem 0;
  line-height: 1.25;
}

.course-title-link {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s ease;
}

.course-title-link:hover {
  color: var(--gold);
  text-decoration: underline;
}

.course-card-desc {
  font-family: 'Source Serif 4', serif;
  font-size: 0.98rem;
  color: #4a4235;
  line-height: 1.5;
  margin-bottom: 1.5rem;
  flex: 1;
}

.course-card-footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.course-progress-wrap {
  margin-bottom: 1rem;
}

.course-progress-info {
  display: flex;
  justify-content: space-between;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  color: #6a5e4d;
  margin-bottom: 0.3rem;
}

.course-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--line);
  border-radius: 3px;
  overflow: hidden;
}

.course-progress-fill {
  height: 100%;
  background: var(--gold);
  border-radius: 3px;
}

.open-course-btn {
  width: 100%;
  background: var(--tekhelet);
  color: #fff;
  border: 1.5px solid var(--tekhelet);
  padding: 0.75rem 1.2rem;
  border-radius: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.open-course-btn:hover {
  background: var(--tekhelet-deep);
  border-color: var(--gold);
  color: var(--gold);
}

.return-hub-btn {
  background: transparent;
  border: 1px solid rgba(212, 163, 89, 0.4);
  color: var(--gold);
  padding: 0.35rem 0.7rem;
  border-radius: 4px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.5rem;
  width: 100%;
  transition: all 0.15s ease;
}

.return-hub-btn:hover {
  background: rgba(212, 163, 89, 0.2);
  color: #fff;
}