/* Global Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 1.5rem !important;
  }
  
  h2 {
    font-size: 1.3rem !important;
  }
  
  article {
    padding: 1rem !important;
  }
}

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

article {
  animation: fadeIn 0.5s ease-out;
}

a:hover {
  color: #1565c0;
  transition: color 0.3s;
}

button, .btn {
  cursor: pointer;
  transition: all 0.3s;
}

button:hover, .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}