.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: var(--space-16) var(--space-6);
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--secondary-50) 100%);
  min-height: 80vh;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB4PSIwIiB5PSIwIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSgzMCkiPjxyZWN0IHg9IjAiIHk9IjAiIHdpZHRoPSIyIiBoZWlnaHQ9IjIiIGZpbGw9IiMzYjgyZjYxMCIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3QgeD0iMCIgeT0iMCIgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
  opacity: 0.5;
  z-index: 1;
}

.hero-content {
  flex: 1;
  min-width: 300px;
  z-index: 2;
  animation: fadeIn 0.8s ease-out forwards;
  padding-right: var(--space-6);
}

.hero-image {
  flex: 1;
  min-width: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
  animation: fadeIn 1.2s ease-out forwards;
}

.hero-image img {
  max-width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  transform: perspective(1000px) rotateY(-5deg);
  transition: transform var(--transition);
}

.hero-image img:hover {
  transform: perspective(1000px) rotateY(0deg);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: var(--space-4);
  color: var(--primary-900);
  line-height: 1.1;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--space-6);
  color: var(--neutral-700);
  max-width: 600px;
}

.cta-button {
  display: inline-block;
  background-color: var(--primary-600);
  color: white;
  font-weight: 600;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
  transform: translateY(0);
}

.cta-button:hover {
  background-color: var(--primary-700);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Features Section */
.features {
  padding: var(--space-16) var(--space-6);
  background-color: white;
  text-align: center;
}

.features h2 {
  font-size: 2.5rem;
  margin-bottom: var(--space-12);
  position: relative;
  display: inline-block;
}

.features h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background-color: var(--primary-500);
  border-radius: var(--radius-full);
}

.feature-cards {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background-color: white;
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  width: 300px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--secondary-50) 100%);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: var(--primary-100);
  color: var(--primary-700);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-4);
  transition: all var(--transition);
}

.feature-card:hover .feature-icon {
  background-color: var(--primary-600);
  color: white;
}

.feature-card h3 {
  margin-bottom: var(--space-2);
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--neutral-600);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Topics Preview Section */
.topics-preview {
  padding: var(--space-16) var(--space-6);
  background-color: var(--neutral-50);
}

.topics-preview h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: var(--space-12);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.topics-preview h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background-color: var(--primary-500);
  border-radius: var(--radius-full);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
  max-width: 1200px;
  margin: 0 auto;
}

.topic-card {
  background-color: white;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
}

.topic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to right, rgba(147, 197, 253, 0.1), rgba(94, 234, 212, 0.1));
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition);
}

.topic-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.topic-card:hover::before {
  opacity: 1;
}

.topic-card h3 {
  color: var(--primary-700);
  margin-bottom: var(--space-2);
  font-size: 1.25rem;
}

.topic-card p {
  color: var(--neutral-600);
  margin-bottom: var(--space-4);
  font-size: 0.95rem;
  flex-grow: 1;
}

.topic-link {
  display: inline-block;
  color: var(--primary-600);
  font-weight: 600;
  margin-top: auto;
  transition: all var(--transition-fast);
}

.topic-link:hover {
  color: var(--primary-800);
  transform: translateX(5px);
}

.view-all-container {
  text-align: center;
  margin-top: var(--space-12);
}

.view-all-link {
  display: inline-block;
  background-color: transparent;
  color: var(--primary-600);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border: 2px solid var(--primary-600);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.view-all-link:hover {
  background-color: var(--primary-600);
  color: white;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .hero {
    padding: var(--space-12) var(--space-6);
  }
  
  .hero h1 {
    font-size: 2.75rem;
  }
}

@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    padding: var(--space-8) var(--space-4);
    text-align: center;
  }
  
  .hero-content {
    padding-right: 0;
    margin-bottom: var(--space-8);
  }
  
  .hero h1 {
    font-size: 2.25rem;
  }
  
  .hero p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .features h2, .topics-preview h2 {
    font-size: 2rem;
  }
  
  .feature-cards {
    gap: var(--space-6);
  }
  
  .feature-card {
    width: 100%;
    max-width: 350px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .cta-button {
    padding: var(--space-3) var(--space-6);
  }
}