:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --ink: #17201d;
  --muted: #59635f;
  --line: #d7ddd8;
  --panel: #ffffff;
  --accent: #0b6b5f;
  --accent-strong: #084d45;
  --warn: #8a3c0a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
}

.shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0 32px;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 760;
  letter-spacing: 0;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 14px;
}

.hero {
  padding: 42px 0 28px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 760;
  text-transform: uppercase;
}

h1 {
  max-width: 880px;
  margin: 12px 0 16px;
  font-size: clamp(36px, 7vw, 72px);
  line-height: 0.98;
  letter-spacing: 0;
}

.lede {
  max-width: 760px;
  color: var(--muted);
  font-size: 19px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.card {
  min-height: 164px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.card h2,
.card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.card p,
.card li {
  color: var(--muted);
  font-size: 14px;
}

.band {
  margin-top: 32px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

pre {
  overflow-x: auto;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101816;
  color: #e9f3ef;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.94em;
}

.schema-list {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.schema-list li {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.note {
  color: var(--warn);
  font-weight: 650;
}

@media (max-width: 620px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding-top: 30px;
  }
}