*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #0a0a0a;
  background: #ffffff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 640px; margin: 0 auto; padding: 0 24px; }
nav { padding: 20px 0; border-bottom: 1px solid #e5e7eb; }
.wordmark {
  font-size: 11px; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: #9ca3af; text-decoration: none;
}
main { padding: 48px 0 80px; }
h1 { font-size: 28px; font-weight: 600; margin-bottom: 4px; }
.updated { font-size: 13px; color: #9ca3af; margin-bottom: 32px; }
h2 { font-size: 18px; font-weight: 600; margin-top: 32px; margin-bottom: 8px; }
h3 { font-size: 15px; font-weight: 600; margin-top: 20px; margin-bottom: 6px; }
p { font-size: 14px; color: #6b7280; margin-bottom: 12px; }
ul { font-size: 14px; color: #6b7280; margin-left: 20px; margin-bottom: 12px; }
li { margin-bottom: 4px; }
a { color: #0a0a0a; }
table { width: 100%; border-collapse: collapse; margin: 12px 0 20px; font-size: 13px; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid #e5e7eb; }
th { font-weight: 600; color: #0a0a0a; background: #f9fafb; }
td { color: #6b7280; }
footer {
  padding: 24px 0; border-top: 1px solid #e5e7eb;
  text-align: center; font-size: 12px; color: #9ca3af;
}
footer a { color: #9ca3af; text-decoration: none; }
footer a:hover { color: #6b7280; }