:root {
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  --ink: #e6edf3;
  --dim: #8b949e;
  --paper: #0d1117;
  --card-bg: #111418;
  --border: #22272e;
  --accent: #58a6ff;
  --accent-soft: #1f6feb22;
  --green: #3fb950;
  --radius: 12px;
}

.theme-light {
  --ink: #1f2328;
  --dim: #59636e;
  --paper: #ffffff;
  --card-bg: #f6f8fa;
  --border: #d1d9e0;
  --accent: #0969da;
  --accent-soft: #0969da14;
  --green: #1a7f37;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.app-container {
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* Chrome */

.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 32px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: block;
  height: 24px;
  width: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
}

.nav-links a {
  color: var(--dim);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links .nav-primary {
  color: var(--ink);
  font-weight: 600;
}

.nav-rule {
  width: 1px;
  height: 18px;
  background: var(--border);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: inherit;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 6px 8px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-toggle {
  display: none;
}

@media (max-width: 720px) {
  .navbar {
    padding: 12px 16px;
  }

  .nav-right {
    gap: 8px;
  }

  .nav-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: inherit;
    cursor: pointer;
    display: block;
    font-size: 14px;
    line-height: 1;
    padding: 6px 9px;
  }

  .nav-links {
    align-items: stretch;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    left: 0;
    padding: 4px 16px 10px;
    position: absolute;
    right: 0;
    top: 100%;
  }

  .nav-links a {
    padding: 10px 0;
  }

  .nav-rule {
    display: none;
  }

  .navbar:not(.is-open) .nav-links {
    display: none;
  }
}

.content {
  flex: 1;
  margin: 0 auto;
  max-width: 1140px;
  padding: 56px 32px 96px;
  width: 100%;
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--dim);
  font-size: 14px;
  padding: 24px 32px;
  text-align: center;
}

/* Hero */

.hero {
  max-width: 46rem;
  padding-bottom: 24px;
}

.hero-small .hero-title {
  font-size: clamp(2rem, 5vw, 2.8rem);
}

.hero-eyebrow {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 12px 0 20px;
}

.hero-lockup {
  align-items: center;
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
}

.hero-mark {
  display: block;
  flex: none;
  height: clamp(40px, 7vw, 60px);
  width: clamp(40px, 7vw, 60px);
}

.hero-tagline {
  color: var(--ink);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0 0 18px;
}

.hero-lede {
  color: var(--dim);
  font-size: 1.15rem;
  margin: 0 0 28px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  border-radius: 8px;
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  padding: 11px 20px;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--paper);
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--ink);
}

.btn-green {
  background: var(--green);
  color: var(--paper);
}

/* Products */

.product-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  margin-top: 56px;
}

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.product-card-flagship {
  border-color: var(--accent);
}

.product-tag {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-card-flagship .product-tag {
  color: var(--accent);
}

.product-card h2 {
  font-size: 1.4rem;
  margin: 8px 0 4px;
}

.product-card h2 a {
  color: inherit;
  text-decoration: none;
}

.product-what {
  color: var(--ink);
  font-weight: 600;
  margin: 0 0 12px;
}

.product-card p {
  color: var(--dim);
  font-size: 15px;
}

.product-points {
  color: var(--dim);
  font-size: 14px;
  margin: 0 0 20px;
  padding-left: 20px;
}

.product-points li {
  margin-bottom: 4px;
}

.product-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: auto;
}

.product-more {
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.product-link {
  color: var(--dim);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.product-link:hover {
  color: var(--accent);
}

/* Feature grid */

.feature-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin: 56px 0;
}

.feature-card {
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  column-gap: 10px;
  display: grid;
  grid-template-columns: auto 1fr;
  padding: 24px;
}

.card-icon {
  font-size: 22px;
  line-height: 1;
}

.feature-card h3 {
  font-size: 1.05rem;
  margin: 0;
}

.feature-card p {
  color: var(--dim);
  font-size: 14px;
  grid-column: 1 / -1;
  margin: 8px 0 0;
}

/* Sections */

.section-block {
  margin: 56px 0;
}

.section-head h2 {
  font-size: 1.7rem;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.section-head p {
  color: var(--dim);
  margin: 0 0 24px;
}

.runtime-preview,
.interactive-demo {
  margin: 56px 0;
}

/* The chapter index */

.chapter-index {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  list-style: none;
  margin: 32px 0 0;
  overflow: hidden;
  padding: 0;
}

.chapter-index li + li {
  border-top: 1px solid var(--border);
}

.chapter-row {
  align-items: baseline;
  color: var(--ink);
  display: grid;
  gap: 16px;
  grid-template-columns: 3.5rem 1fr auto;
  padding: 14px 20px;
  text-decoration: none;
}

.chapter-row:hover {
  background: var(--card-bg);
}

.chapter-row-num {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 13px;
}

.chapter-row-title {
  font-weight: 600;
}

.chapter-row-meta {
  color: var(--dim);
  font-size: 13px;
}

/* Chapter prose */

.prose {
  max-width: 44rem;
}

.prose h2 {
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
}

.prose h3 {
  font-size: 1.15rem;
  margin: 32px 0 10px;
}

.prose p {
  margin: 0 0 18px;
}

.prose code {
  background: var(--accent-soft);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.88em;
  padding: 2px 5px;
}

.prose .code-card code {
  background: none;
  padding: 0;
}

.prose-list {
  margin: 0 0 18px;
  padding-left: 22px;
}

.prose-list li {
  margin-bottom: 8px;
}

.prose blockquote {
  border-left: 3px solid var(--border);
  color: var(--dim);
  margin: 0 0 18px;
  padding-left: 18px;
}

/* Tables */

.bench-table {
  border: 1px solid var(--border);
  border-collapse: collapse;
  border-radius: var(--radius);
  font-size: 14px;
  overflow: hidden;
  width: 100%;
}

.bench-table th,
.bench-table td {
  border-bottom: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}

.bench-table th {
  color: var(--dim);
  font-weight: 600;
}

.bench-table tr:last-child td {
  border-bottom: none;
}

.bench-table .dim {
  color: var(--dim);
}

.highlight-green {
  color: var(--green);
  font-weight: 600;
}

.highlight-accent {
  color: var(--accent);
  font-weight: 600;
}

.lede {
  color: var(--dim);
  max-width: 44rem;
}

/* The server island */

.telemetry-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.telemetry-pill {
  color: var(--dim);
  font-size: 14px;
}

.btn-telemetry {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  display: block;
  font-size: 14px;
  margin-top: 12px;
  padding: 8px 14px;
}

.telemetry-details {
  color: var(--dim);
  font-size: 14px;
  margin: 16px 0 0;
  padding-left: 20px;
}

@media (max-width: 900px) {
  .docs-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .docs-sidebar {
    position: static;
  }

  .chapter-row {
    grid-template-columns: 3rem 1fr;
  }

  .chapter-row-meta {
    display: none;
  }
}

.sidebar-title {
  text-decoration: none;
}

.sidebar-title:hover {
  color: var(--ink);
}

.table-wrap {
  margin: 0 0 24px;
  overflow-x: auto;
}

.prose-table {
  border: 1px solid var(--border);
  border-collapse: collapse;
  font-size: 14px;
  min-width: 100%;
}

.prose-table th,
.prose-table td {
  border-bottom: 1px solid var(--border);
  padding: 9px 14px;
  text-align: left;
  vertical-align: top;
}

.prose-table th {
  color: var(--dim);
  font-weight: 600;
  white-space: nowrap;
}

.prose-table tr:last-child td {
  border-bottom: none;
}