<style>
.ourcasestudies {
  padding: var(--space-xl) 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-bg-tertiary);
}

.ocs-header {
  margin-bottom: 3rem;
  max-width: 600px;
}

.ocs-heading {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin: 1rem 0 0.75rem;
}

.ocs-subheading {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.ocs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.ocs-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.ocs-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(135deg, #38BDF8, #818CF8, #C084FC);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.ocs-card:hover {
  border-color: var(--color-accent-secondary);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  opacity: 1;
}

.ocs-card:hover::before {
  opacity: 1;
}

.ocs-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ocs-icon {
  font-size: 2rem;
}

.ocs-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.ocs-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.ocs-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  flex-grow: 1;
}

.ocs-stats {
  display: flex;
  gap: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-bg-tertiary);
}

.ocs-stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.ocs-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #38BDF8, #818CF8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ocs-stat-label {
  font-size: 11px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.ocs-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.ocs-tools span {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(129, 140, 248, 0.1);
  color: var(--color-accent-secondary);
  border: 1px solid rgba(129, 140, 248, 0.2);
}

.ocs-cta {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent-primary);
  letter-spacing: 0.02em;
  margin-top: auto;
}

@media (max-width: 1024px) {
  .ocs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .ocs-grid { grid-template-columns: 1fr; }
}
</style>