.case-studies {
  padding: 100px 20px;
  position: relative;
  background: linear-gradient(180deg, transparent, rgba(124, 58, 237, 0.03), transparent);
}

.cases-container {
  max-width: 1400px;
  margin: 0 auto;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.case-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  transition: all 0.4s;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(124, 58, 237, 0.05));
  opacity: 0;
  transition: opacity 0.4s;
}

.case-card:hover {
  transform: translateY(-8px);
  border-color: var(--secondary);
  box-shadow: 0 20px 50px rgba(124, 58, 237, 0.2);
}

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

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.case-company {
  font-size: 24px;
  font-weight: 800;
  color: white;
  margin-bottom: 8px;
}

.case-industry {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
}

.case-result {
  background: linear-gradient(135deg, var(--success), #059669);
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 24px;
  font-weight: 900;
  color: white;
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.case-description {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 30px;
  font-size: 15px;
  position: relative;
  z-index: 1;
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.metric {
  text-align: center;
}

.metric-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 5px;
}

.metric-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

@media (max-width: 768px) {
  .cases-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .case-card {
    padding: 30px 20px;
  }
  
  .case-header {
    flex-direction: column;
    gap: 15px;
  }
  
  .case-result {
    align-self: flex-start;
  }
  
  .case-metrics {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }
}