:root {
  --purple: #6b46f5;
  --dark: #1a1a1a;
  --text: #2b2b2b;
  --muted: #6b6b6b;
  --bg: #ffffff;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 48px;
  border-bottom: 1px solid #eee;
}
.logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text);
  text-decoration: none;
}
nav {
  display: flex;
  gap: 32px;
}
nav a {
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
nav a:hover, nav a.current { color: var(--purple); }

main {
  max-width: 840px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--purple);
  border-bottom: 2px solid var(--purple);
  padding-bottom: 6px;
  margin-bottom: 20px;
}
main h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}
main .updated {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 40px;
}
main h2 {
  font-size: 19px;
  font-weight: 700;
  margin: 36px 0 12px;
}
main p, main li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  margin-bottom: 12px;
}
main ul {
  padding-left: 20px;
  margin-bottom: 16px;
}
main a.inline {
  color: var(--purple);
  text-decoration: underline;
}

footer {
  border-top: 1px solid #eee;
  padding: 32px 48px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 900px) {
  header { padding: 18px 20px; flex-direction: column; gap: 14px; }
  nav { gap: 18px; flex-wrap: wrap; justify-content: center; }
  main { padding: 40px 20px 72px; }
  main h1 { font-size: 26px; }
}