.tech-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.card {
  background: #f7f7f7;
  padding: 1rem;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.card h4 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
  color: #006c70;
}