:root {
  --color-bg: #f8f6f1;
  --color-text: #222;
  --color-text-muted: #555;
  --color-link: #222;
  --color-link-hover: #000;
  --color-border: #d0cec9;
  --font-serif: Georgia, "Times New Roman", Times, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 600px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 18px;
}

body {
  font-family: var(--font-serif);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  margin: 0;
  padding: 4rem 1.5rem 2rem;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
}

h1 {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 400;
  line-height: 1.1;
  margin: 0 0 1.5rem 0;
  letter-spacing: -0.02em;
}

h2 {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 1rem 0;
  color: var(--color-text);
}

h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.3;
  margin: 0 0 0.5rem 0;
}

p {
  margin: 0 0 1rem 0;
}

a {
  color: var(--color-link);
  text-decoration: underline;
}

a:hover {
  color: var(--color-link-hover);
}

.intro {
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

nav {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
}

nav a {
  margin-right: 2rem;
  text-decoration: none;
  color: var(--color-text);
}

nav a:hover {
  text-decoration: underline;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0 0 2rem 0;
}

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

footer a {
  color: var(--color-text-muted);
}

@media (max-width: 480px) {
  html {
    font-size: 16px;
  }
  
  body {
    padding: 2rem 1rem;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  nav a {
    margin-right: 1.25rem;
  }
}