:root {
  color-scheme: light;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #172033;
  --muted: #5c677d;
  --line: #d9e1ec;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --code-bg: #eef3f8;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body {
  margin: 0;
}

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

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

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-nav {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1040px;
  padding: 0.8rem 1.25rem;
}

.site-title {
  align-items: center;
  color: var(--text);
  display: flex;
  font-size: 1rem;
  gap: 0.55rem;
  font-weight: 750;
  text-decoration: none;
}

.site-logo {
  border-radius: 50%;
  display: block;
  height: 2rem;
  object-fit: cover;
  width: 2rem;
}

.nav-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: flex-end;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.page {
  margin: 0 auto;
  max-width: 920px;
  padding: 3rem 1.25rem 5rem;
}

.hero {
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
}

.hero-logo {
  border-radius: 12px;
  display: block;
  max-width: min(240px, 70vw);
  width: 100%;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin: 0 0 1rem;
}

h2 {
  border-top: 1px solid var(--line);
  font-size: 1.55rem;
  margin-top: 2.4rem;
  padding-top: 1.6rem;
}

h3 {
  font-size: 1.2rem;
  margin-top: 1.8rem;
}

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

.lead {
  color: var(--text);
  font-size: 1.2rem;
  max-width: 760px;
}

.doc-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin: 2rem 0;
}

.doc-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: block;
  padding: 1rem;
  text-decoration: none;
}

.doc-card h2 {
  border: 0;
  color: var(--text);
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
  padding: 0;
}

.doc-card p {
  margin: 0;
}

.link-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.link-actions a {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 650;
  padding: 0.35rem 0.65rem;
  text-decoration: none;
}

code,
pre {
  background: var(--code-bg);
  border-radius: 6px;
  color: #1f2937;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

code {
  padding: 0.1rem 0.28rem;
}

pre {
  overflow-x: auto;
  padding: 1rem;
}

pre code {
  background: transparent;
  padding: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}

td,
th {
  border: 1px solid var(--line);
  padding: 0.55rem;
  text-align: left;
}

@media (max-width: 640px) {
  .site-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .page {
    padding-top: 2rem;
  }
}