/* 🎓 HARSHGURUJI — LEARNING-HUB.CSS */

/* Educational Content Layout */
.edu-section {
  padding: 4rem 1rem;
  max-width: 1280px;
  margin: 0 auto;
  border-top: 1px solid var(--hub-border);
}

.edu-section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, #ffffff, #a1a1aa);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.edu-section-subtitle {
  color: var(--hub-text-secondary);
  font-size: 1.1rem;
  max-width: 800px;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Grids */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .edu-grid.two-col { grid-template-columns: repeat(2, 1fr); }
  .edu-grid.three-col { grid-template-columns: repeat(2, 1fr); }
  .edu-grid.four-col { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .edu-grid.three-col { grid-template-columns: repeat(3, 1fr); }
  .edu-grid.four-col { grid-template-columns: repeat(4, 1fr); }
}

/* Education Cards */
.edu-card {
  background: var(--hub-card-bg);
  border: 1px solid var(--hub-border);
  border-radius: var(--hub-radius);
  padding: 2rem;
  transition: var(--hub-transition);
}

.edu-card:hover {
  border-color: var(--hub-border-hover);
}

.edu-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--hub-text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.edu-card p {
  color: var(--hub-text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.edu-card ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.edu-card li {
  color: var(--hub-text-secondary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.5;
}

.edu-card li::before {
  content: '→';
  color: var(--hub-accent);
  font-weight: bold;
}

/* Overview Dashboard */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.dash-card {
  background: linear-gradient(145deg, var(--hub-card-bg), var(--hub-surface));
  border: 1px solid var(--hub-border);
  padding: 2rem 1.5rem;
  border-radius: var(--hub-radius);
  text-align: center;
  transition: var(--hub-transition);
}

.dash-card:hover {
  transform: translateY(-5px);
  border-color: var(--hub-accent);
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
}

.dash-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.dash-title {
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

/* Workflow Flowcharts */
.workflow {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--hub-surface);
  padding: 2rem;
  border-radius: var(--hub-radius);
  border: 1px solid var(--hub-border);
}

.workflow-step {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
}

.workflow-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 15px; /* center of 30px circle */
  top: 30px;
  width: 2px;
  height: calc(100% + 1rem - 30px);
  background: var(--hub-border);
}

.workflow-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.2);
  color: var(--hub-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
  border: 1px solid var(--hub-accent);
}

.workflow-text {
  background: var(--hub-card-bg);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--hub-border);
  flex-grow: 1;
  color: var(--hub-text-secondary);
}

.workflow-text strong {
  color: var(--hub-text-primary);
}

@media (min-width: 768px) {
  .workflow.horizontal {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
  }
  
  .workflow.horizontal .workflow-step {
    flex-direction: column;
    text-align: center;
    width: 150px;
  }
  
  .workflow.horizontal .workflow-step:not(:last-child)::after {
    left: 50%;
    top: auto;
    bottom: -1rem;
    width: 2px;
    height: 1rem;
  }
}

/* Expandable Accordions for FAQ / Dense Content */
.accordion {
  border: 1px solid var(--hub-border);
  border-radius: var(--hub-radius);
  overflow: hidden;
  margin-bottom: 1rem;
}

.accordion-header {
  width: 100%;
  padding: 1.5rem;
  background: var(--hub-surface);
  border: none;
  text-align: left;
  color: var(--hub-text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--hub-transition);
}

.accordion-header:hover {
  background: var(--hub-card-hover);
}

.accordion-icon {
  transition: transform 0.3s;
}

.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
  background: var(--hub-card-bg);
  color: var(--hub-text-secondary);
  line-height: 1.6;
}

.accordion-header.active + .accordion-content {
  padding: 1.5rem;
  max-height: 500px;
}

/* Learning Resource Filters */
.advanced-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  background: var(--hub-surface);
  padding: 1.5rem;
  border-radius: var(--hub-radius);
  border: 1px solid var(--hub-border);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  min-width: 200px;
}

.filter-group label {
  font-size: 0.85rem;
  color: var(--hub-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.filter-select {
  width: 100%;
  padding: 0.75rem;
  background: var(--hub-card-bg);
  border: 1px solid var(--hub-border);
  color: var(--hub-text-primary);
  border-radius: 8px;
  cursor: pointer;
}

.filter-select:focus {
  outline: none;
  border-color: var(--hub-accent);
}

/* Toolkit Links */
.toolkit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}

.toolkit-item {
  background: var(--hub-surface);
  border: 1px solid var(--hub-border);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  color: var(--hub-text-primary);
  text-decoration: none;
  transition: var(--hub-transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.toolkit-item:hover {
  background: var(--hub-card-hover);
  border-color: var(--hub-accent);
  transform: translateY(-2px);
}

.toolkit-icon {
  font-size: 1.8rem;
}

.toolkit-label {
  font-size: 0.9rem;
  font-weight: 500;
}