:root {
  color-scheme: light dark;
  --bg: #f7f4ef;
  --ink: #161513;
  --muted: #5f5a52;
  --line: #ded7cc;
  --link: #315fd6;
  --panel: #fffaf2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.62 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

header {
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
  padding-bottom: 24px;
}

.brand {
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.18;
}

h1 {
  font-size: clamp(34px, 5vw, 52px);
  margin: 10px 0 12px;
}

h2 {
  border-top: 1px solid var(--line);
  font-size: 24px;
  margin: 36px 0 12px;
  padding-top: 28px;
}

h3 {
  font-size: 18px;
  margin: 24px 0 8px;
}

p,
ul,
ol {
  margin: 0 0 16px;
}

li {
  margin: 8px 0;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.lead {
  color: var(--muted);
  font-size: 18px;
}

.meta {
  color: var(--muted);
  font-size: 14px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 24px 0;
  padding: 18px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 20px;
}

.nav a {
  font-weight: 600;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  margin-top: 44px;
  padding-top: 20px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151412;
    --ink: #f5f1e9;
    --muted: #b6afa4;
    --line: #36312b;
    --link: #9db7ff;
    --panel: #1e1b18;
  }
}