:root {
  --primary: #2c3e50;
  --secondary: #34495e;
  --accent: #3498db;
  --highlight: #e74c3c;
  --text: #2c3e50;
  --light-text: #7f8c8d;
  --background: #f9f9f9;
  --white: #ffffff;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--text);
  margin: 0;
  padding: 0;
  background-color: var(--background);
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

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

h1 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.8rem;
  color: var(--secondary);
  margin: 2rem 0 1rem;
}

p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

blockquote {
  border-left: 3px solid var(--highlight);
  padding-left: 1.2rem;
  margin: 2rem 0;
  font-style: italic;
  color: #555;
}

.signature {
  font-style: italic;
  text-align: right;
  margin-top: 2rem;
  color: #666;
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  margin-bottom: 2rem;
  border-bottom: 1px solid #eee;
}

.main-nav a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.main-nav a:hover {
  color: var(--highlight);
}

footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid #eee;
  text-align: center;
  color: var(--light-text);
}

footer a {
  color: var(--accent);
  text-decoration: none;
  margin: 0 1rem;
}

footer a:hover {
  color: var(--highlight);
}

@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  p {
    font-size: 1rem;
  }
}