:root {
  color-scheme: light;
  --background: #f7f8f5;
  --surface: #ffffff;
  --text: #1e2420;
  --muted: #5d675f;
  --border: #d8ddd5;
  --accent: #1f6f52;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

.site-header,
main,
footer {
  width: min(100% - 32px, 880px);
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
}

.brand,
nav a,
.text-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.brand {
  font-size: 1.125rem;
}

nav a:hover,
.text-link:hover {
  text-decoration: underline;
}

main {
  padding: 28px 0 48px;
}

.intro {
  padding: 40px 0 28px;
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0;
}

h1,
h2 {
  line-height: 1.25;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 3.25rem);
}

h2 {
  margin: 36px 0 12px;
  font-size: 1.35rem;
}

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

.lead {
  max-width: 680px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 1.125rem;
}

ul {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 8px;
}

code {
  padding: 2px 5px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

footer {
  padding: 24px 0 36px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 520px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .intro {
    padding-top: 24px;
  }
}