/* Global styles */
body {
  font-family: sans-serif;
  background: #fefefe;
  color: #333;
  margin: 0;
  padding: 2rem;
  line-height: 1.6;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 3rem;
}

h1 {
  color: #2c3e50;
  font-size: 2.5rem;
}

/* Sections */
section {
  margin: 2rem 0;
  padding: 1rem;
  border-left: 4px solid #2c3e50;
  background: #f9f9f9;
}