/* Case Studies - Stitch dark theme */

.case-studies-container {
  padding: 60px 0;
  min-height: auto;
}

.case-studies-filters {
  margin-bottom: 40px;
  text-align: center;
}

.case-studies-section {
  margin-bottom: 60px;
}

.case-studies-section:last-child {
  margin-bottom: 0;
}

.section-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--color-primary);
  text-align: center;
}

.results-count {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: 24px;
}

.filter-group {
  display: inline-block;
  margin: 0 15px 20px;
}

.filter-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.filter-group select,
.filter-group input {
  padding: 10px 15px;
  border: 1px solid var(--color-border, rgba(0, 0, 0, 0.1));
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: var(--text-sm);
  min-width: 200px;
  background: var(--color-surface);
  color: var(--color-text);
}

.filter-group input[type="text"] {
  min-width: 250px;
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.case-study-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border, rgba(0, 0, 0, 0.08));
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.05));
}

.case-study-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md, 0 4px 6px rgba(0, 0, 0, 0.1));
}

.case-study-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-primary);
  transform: scaleY(0);
  transition: transform var(--transition-base);
}

.case-study-card:hover::before {
  transform: scaleY(1);
}

.case-study-header {
  margin-bottom: 16px;
}

.case-study-industry {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-surface-elevated);
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.case-study-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.case-study-client {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: 12px;
  font-style: italic;
}

.case-study-content {
  margin-bottom: 16px;
}

.case-study-overview,
.case-study-challenge,
.case-study-solution,
.case-study-results,
.case-study-tech-stack {
  margin-bottom: 12px;
}

.case-study-overview h4,
.case-study-challenge h4,
.case-study-solution h4,
.case-study-results h4,
.case-study-tech-stack h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.case-study-overview p,
.case-study-challenge p,
.case-study-solution p,
.case-study-results p,
.case-study-tech-stack p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

.case-study-use-case {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border, rgba(0, 0, 0, 0.08));
}

.case-study-use-case-toggle {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0;
}

.case-study-use-case-content {
  margin-top: 12px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  white-space: pre-wrap;
}

.case-study-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border, rgba(0, 0, 0, 0.08));
}

.tech-tag,
.service-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tech-tag {
  background: rgba(19, 109, 236, 0.2);
  color: var(--color-primary);
}

.service-tag {
  background: rgba(19, 109, 236, 0.2);
  color: var(--color-primary);
}

.case-study-year {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

@media (max-width: 768px) {
  .case-studies-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .filter-group {
    display: block;
    margin: 0 0 20px;
  }

  .filter-group select,
  .filter-group input {
    width: 100%;
    min-width: auto;
  }

  .section-subtitle {
    font-size: 1.25rem;
  }

  .case-studies-section {
    margin-bottom: 40px;
  }
}