/* 
 * Demo Section Styles - Bixing Technology
 * Modern, sleek AI-themed demo section
 */

.demo-section {
  position: relative;
  padding: 100px 0;
  background-color: var(--demo-bg);
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(0, 102, 255, 0.05) 0%, transparent 25%),
    radial-gradient(circle at 80% 70%, rgba(0, 194, 255, 0.05) 0%, transparent 30%);
  overflow: hidden;
}

.demo-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5C40.4934 5 49 13.5066 49 24C49 34.4934 40.4934 43 30 43C19.5066 43 11 34.4934 11 24C11 13.5066 19.5066 5 30 5ZM30 7C20.6112 7 13 14.6112 13 24C13 33.3888 20.6112 41 30 41C39.3888 41 47 33.3888 47 24C47 14.6112 39.3888 7 30 7Z' fill='%230066FF' fill-opacity='0.05'/%3E%3C/svg%3E");
  background-size: 60px 60px;
  opacity: 0.3;
  z-index: 0;
}

.demo-section .container {
  position: relative;
  z-index: 1;
}

.demo-section h3 {
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--white);
}

.demo-section p {
  color: var(--text-medium);
  margin-bottom: 20px;
}

/* Demo placeholder */
.demo-placeholder {
  position: relative;
  background: var(--dark-surface);
  border-radius: var(--radius-md);
  height: 350px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  border: 1px solid var(--dark-border);
}

.demo-placeholder:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.demo-placeholder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.2), rgba(112, 0, 255, 0.2));
  z-index: 1;
}

.demo-placeholder::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
  background-size: 100px 100px;
  opacity: 0.3;
  z-index: 0;
}

.demo-placeholder h4 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
  position: relative;
  z-index: 2;
  color: var(--white);
}

.demo-placeholder p {
  color: var(--text-light);
  position: relative;
  z-index: 2;
}

/* Play button */
.demo-play-button {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 0 0 0 rgba(0, 102, 255, 0.5);
  animation: pulse 2s infinite;
  cursor: pointer;
  z-index: 2;
}

.demo-play-button::before {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  border-left: 25px solid var(--white);
  margin-left: 5px;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 102, 255, 0.7);
  }
  70% {
    box-shadow: 0 0 0 20px rgba(0, 102, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 102, 255, 0);
  }
}

/* Responsive styles */
@media (max-width: 992px) {
  .demo-section {
    padding: 80px 0;
  }
  
  .demo-placeholder {
    height: 300px;
    margin-top: 40px;
  }
}

@media (max-width: 768px) {
  .demo-section {
    padding: 40px 0 60px;
  }
  
  .demo-placeholder {
    height: 250px;
    margin-bottom: 30px;
  }
  
  .demo-content-wrapper {
    text-align: center;
    margin-top: 20px;
  }
  
  .demo-content-wrapper h3 {
    margin-top: 10px;
  }
}