.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 60px 0;
  border-radius: 20px 20px 0 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="white" opacity="0.1"><polygon points="0,0 1000,0 1000,100"/></svg>');
  background-size: cover;
}

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

.alert-custom-success {
  background: linear-gradient(135deg, #4ECDC4 0%, #44A08D 100%);
  border: none;
  border-radius: 15px;
  color: white;
  box-shadow: 0 5px 15px rgba(78, 205, 196, 0.3);
}

.alert-custom-danger {
  background: linear-gradient(135deg, #FF6B7A 0%, #FF5E62 100%);
  border: none;
  border-radius: 15px;
  color: white;
  box-shadow: 0 5px 15px rgba(255, 107, 122, 0.3);
}

.content-section {
  padding: 40px;
  background: white;
}

.card-demo {
  background: white;
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 3px solid transparent;
  background-clip: padding-box;
}

.card-demo:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: #007BFF;
}

.card-demo h3 {
  color: #1a365d;
  margin-bottom: 20px;
  font-weight: 700;
}

.icon-list {
  list-style: none;
  padding: 0;
}

.icon-list li {
  padding: 10px 0;
  border-bottom: 1px solid #f0f0f0;
  transition: all 0.3s ease;
}

.icon-list li:last-child {
  border-bottom: none;
}

.icon-list li:hover {
  padding-left: 10px;
  background: #f8f9ff;
  border-radius: 10px;
  border-bottom: 1px solid transparent;
}

.icon-list a {
  color: #007BFF;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.icon-list a:hover {
  color: #FF6B7A;
}

.btn-cta {
  background: linear-gradient(135deg, #FF6B7A 0%, #4ECDC4 100%);
  border: none;
  color: white;
  padding: 15px 40px;
  border-radius: 30px;
  font-size: 1.1em;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 5px 20px rgba(255, 107, 122, 0.3);
}

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 107, 122, 0.4);
  color: white;
}

.divider {
  height: 3px;
  background: linear-gradient(90deg, #007BFF, #FF6B7A, #4ECDC4);
  border: none;
  border-radius: 2px;
  margin: 30px 0;
}