:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5a5a5a;
  --accent: #8a5a30;
  --border: #e0ddd8;
  --code-bg: #f4f2ef;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1a18;
    --fg: #ece9e5;
    --muted: #b3aea6;
    --accent: #d2a06c;
    --border: #3a3632;
    --code-bg: #272420;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

header {
  border-bottom: 1px solid var(--border);
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 18px 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--fg);
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

nav a {
  margin-left: 18px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--accent);
}

main {
  padding: 36px 20px 56px;
}

h1 {
  font-size: 1.8rem;
  margin-top: 0;
}

h2 {
  font-size: 1.3rem;
  margin-top: 2.2em;
  border-top: 1px solid var(--border);
  padding-top: 0.8em;
}

h3 {
  font-size: 1.05rem;
  margin-top: 1.6em;
}

p,
li {
  color: var(--fg);
}

.tagline {
  color: var(--muted);
  font-size: 1.1rem;
}

code {
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.92em;
}

a {
  color: var(--accent);
}

.callout {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  background: var(--code-bg);
}

footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  padding: 24px 20px 40px;
}

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