:root {
  color-scheme: light;
  --bg: #f7f7f4;
  --text: #1d1d1f;
  --muted: #5f6368;
  --line: #d9d9d2;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --code-bg: #ededE7;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(247, 247, 244, 0.92);
  position: sticky;
  top: 0;
}

.nav {
  max-width: 980px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.links {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 52px 20px 72px;
}

.hero {
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  color: var(--accent-dark);
  font-weight: 700;
  margin: 0 0 8px;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.05;
  margin: 0 0 18px;
}

h2 {
  margin-top: 42px;
  font-size: 1.65rem;
}

h3 {
  margin-top: 28px;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.18rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #fff;
}

.item h3 {
  margin: 0 0 8px;
}

.item p {
  margin: 0;
  color: var(--muted);
}

pre {
  overflow-x: auto;
  padding: 18px;
  border-radius: 8px;
  background: var(--code-bg);
  border: 1px solid var(--line);
}

code {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.94em;
}

.language-gate {
  min-height: 100vh;
  display: grid;
  place-content: center;
  padding: 24px;
  text-align: center;
}

.language-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
}

.language-links a,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  color: #fff;
  background: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.button.secondary {
  color: var(--accent-dark);
  background: transparent;
}

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

@media (max-width: 720px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}