.energy-types {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--primary-dark) 0%, var(--secondary-dark) 50%, var(--primary-dark) 100%);
}

.energy-types .title {
  text-align: center;
  margin-bottom: 10px;
}

.energy-types .subtitle {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.energy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.energy-card {
  background: rgba(15, 31, 61, 0.7);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 25px;
  padding: 40px 30px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.energy-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-neon);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.energy-card:hover::before {
  transform: scaleX(1);
}

.energy-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(0, 212, 255, 0.2);
}

.energy-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  font-size: 2.5rem;
  transition: all 0.3s ease;
}

.energy-card:hover .energy-icon {
  transform: scale(1.1);
}

.solar-icon {
  background: linear-gradient(135deg, #ffd700 0%, #ff8c00 100%);
}

.wind-icon {
  background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
}

.water-icon {
  background: linear-gradient(135deg, #0066ff 0%, #00ccff 100%);
}

.geothermal-icon {
  background: linear-gradient(135deg, #ff6b6b 0%, #ff8c00 100%);
}

.bio-icon {
  background: linear-gradient(135deg, #00ff88 0%, #00cc66 100%);
}

.hydrogen-icon {
  background: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);
}

.energy-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.energy-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.energy-stats {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.stat-item {
  background: rgba(0, 212, 255, 0.1);
  padding: 12px 20px;
  border-radius: 10px;
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-blue);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .energy-grid {
    grid-template-columns: 1fr;
  }
  
  .energy-card {
    padding: 30px 20px;
  }
  
  .energy-icon {
    width: 60px;
    height: 60px;
    font-size: 2rem;
  }
}