* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1a1a1a;
  background: #ffffff;
  padding: 2rem 1rem;
}

main {
  max-width: 720px;
  margin: 0 auto;
}

h1 {
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  color: #000000;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: #000000;
}

h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: #1a1a1a;
}

p {
  margin-bottom: 1rem;
}

a {
  color: #1a1a1a;
  text-decoration: none;
  border-bottom: 1px solid #cccccc;
}

a:hover {
  border-bottom-color: #1a1a1a;
}

ul {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

code {
  font-family: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  font-size: 0.9em;
  background: #f5f5f5;
  padding: 0.2em 0.4em;
  border-radius: 3px;
}

pre {
  font-family: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  font-size: 0.875rem;
  background: #f5f5f5;
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1rem;
  border-radius: 3px;
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
}

.section {
  margin-top: 3rem;
}

.section:first-child {
  margin-top: 0;
}

.definition,
.causes,
.implications {
  margin-bottom: 1.5rem;
}

nav {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #e0e0e0;
}

nav a {
  margin-right: 1.5rem;
}

.authorship {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid #e0e0e0;
  font-size: 0.875rem;
  color: #666666;
}

.authorship h2 {
  font-size: 0.875rem;
  font-weight: 600;
  color: #666666;
  margin-top: 0;
  margin-bottom: 0.75rem;
}