/* Energy Sector Styles - Dashboard and Charts Only */

/* Energy Efficiency Cards */
.efficiency-card {
  background: var(--gradient-card);
  border: 1px solid rgba(30, 64, 175, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.efficiency-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-energy);
  transform: scaleY(0);
  transition: transform 0.3s ease;
  transform-origin: bottom;
}

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

.efficiency-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

/* Energy Metrics Display */
.energy-metric {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid rgba(30, 64, 175, 0.1);
  transition: all 0.3s ease;
}

.energy-metric:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.energy-metric-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: var(--bg-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
}

.energy-metric-content h4 {
  margin: 0 0 0.25rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
}

.energy-metric-content p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* NILM Technology Showcase */
.nilm-showcase {
  background: var(--bg-secondary);
  padding: 4rem 0;
  position: relative;
}

.nilm-appliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
}

.nilm-appliance {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(30, 64, 175, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nilm-appliance::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--gradient-energy);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nilm-appliance:hover::before {
  width: 100%;
}

.nilm-appliance:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.nilm-appliance-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.nilm-appliance:hover .nilm-appliance-icon {
  color: var(--accent);
  transform: scale(1.1);
}

.nilm-appliance-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
  margin: 0;
}

/* EV Management Section */
.ev-management {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
  padding: 4rem 0;
}

.ev-feature {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 2rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(30, 64, 175, 0.1);
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.ev-feature:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.ev-feature-icon {
  width: 4rem;
  height: 4rem;
  background: var(--gradient-energy);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.75rem;
  flex-shrink: 0;
}

.ev-feature-content h4 {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
}

.ev-feature-content p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Client Logo Grid */
.client-logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid rgba(30, 64, 175, 0.1);
  transition: all 0.3s ease;
  filter: grayscale(100%);
}

.client-logo:hover {
  filter: grayscale(0%);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.client-logo img {
  max-width: 120px;
  max-height: 60px;
  object-fit: contain;
}

/* Process Flow */
.process-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 3rem 0;
  position: relative;
}

.process-flow::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  z-index: 1;
  transform: translateY(-50%);
}

.process-step {
  background: var(--white);
  border: 3px solid var(--primary);
  border-radius: 50%;
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary);
  z-index: 2;
  position: relative;
  transition: all 0.3s ease;
}

.process-step:hover {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.2);
}

/* Call-to-Action Sections */
.cta-energy {
  background: var(--gradient-energy);
  color: var(--white);
  padding: 4rem 2rem;
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: 4rem 0;
}

.cta-energy::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
  z-index: 1;
}

.cta-energy .cta-content {
  position: relative;
  z-index: 2;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .energy-metric {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .ev-feature {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
  
  .process-flow {
    flex-direction: column;
    gap: 2rem;
  }
  
  .process-flow::before {
    width: 2px;
    height: 100%;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
  }
  
  .nilm-appliance-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
  }
  
  .client-logo-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
  }
}



/* Enhanced gradient text for energy section */
.energy-gradient-text {
  background: linear-gradient(135deg, #3b82f6, #22c55e);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

/* Chart container glow effect */
.chart-container-glow {
  position: relative;
}

.chart-container-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, #3b82f6, #22c55e, #f59e0b);
  border-radius: 18px;
  opacity: 0.1;
  filter: blur(8px);
  z-index: -1;
}

/* Loading state for chart */
.chart-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 400px;
  background: linear-gradient(135deg, 
    rgba(248, 250, 252, 0.8) 0%, 
    rgba(241, 245, 249, 0.8) 100%);
  border-radius: 16px;
}

.chart-loading::after {
  content: '';
  width: 40px;
  height: 40px;
  border: 4px solid #e2e8f0;
  border-top: 4px solid #3b82f6;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}