/* DDU Page Styles */

.ddu-main {
  min-height: calc(100vh - 80px);
  padding: 2rem 1rem;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.ddu-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.ddu-header {
  text-align: center;
  margin-bottom: 3rem;
  animation: fadeInDown 0.8s ease-out;
}

.ddu-title {
  font-size: 4rem;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.ddu-subtitle {
  font-size: 1.5rem;
  color: #a0aec0;
  font-weight: 300;
}

.ddu-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.ddu-section {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 16px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
  animation: fadeIn 1s ease-out;
}

.ddu-section:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
  border-color: rgba(102, 126, 234, 0.5);
}

.ddu-section h2 {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid rgba(102, 126, 234, 0.5);
  padding-bottom: 0.5rem;
}

.ddu-section p {
  font-size: 1.1rem;
  color: #cbd5e0;
  line-height: 1.8;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.03);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-card:hover {
  background: rgba(102, 126, 234, 0.1);
  transform: translateY(-8px);
  border-color: rgba(102, 126, 234, 0.3);
}

.feature-card i {
  font-size: 3rem;
  color: #667eea;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 1rem;
}

.feature-card p {
  font-size: 1rem;
  color: #a0aec0;
}

.ddu-footer {
  text-align: center;
  padding: 2rem;
  background: rgba(0, 0, 0, 0.3);
  color: #a0aec0;
  margin-top: 3rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .ddu-title {
    font-size: 2.5rem;
  }
  
  .ddu-subtitle {
    font-size: 1.2rem;
  }
  
  .ddu-section {
    padding: 1.5rem;
  }
  
  .ddu-section h2 {
    font-size: 1.5rem;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}