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

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

article:hover {
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  h1 {
    font-size: 1.5rem !important;
  }

  h2 {
    font-size: 1.3rem !important;
  }

  .container {
    padding: 0 0.5rem;
  }
}

a {
  transition: color 0.3s;
}

a:hover {
  color: #667eea;
}