@import url("https://fonts.googleapis.com/css2?family=Ubuntu:wght@500&family=Inter:wght@400;500;600&display=swap");

:root {
  --bg: #fdfefe;
  --surface: #ffffff;
  --text: #1f2a37;
  --muted: #5a6679;
  --accent: #2d6cdf;
  --accent-dark: #1f55b3;
  --border: #e5e9f0;
  --code-bg: #f4f6fb;
  --code-text: #1c2534;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo,
    monospace;
}

* {
  box-sizing: border-box;
}

body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
  background-image: radial-gradient(circle at top, rgba(45, 108, 223, 0.08), transparent 55%),
    radial-gradient(circle at 20% 20%, rgba(31, 85, 179, 0.05), transparent 50%);
  margin: 0;
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

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

.site-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 56px;
  position: relative;
}

.site-header {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(229, 233, 240, 0.6);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.brand h1 {
  font-family: "Ubuntu", "Inter", sans-serif;
  font-weight: 500;
  font-size: 2.4rem;
  margin: 0;
}

.brand span {
  font-size: 1rem;
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-weight: 500;
  padding: 8px 0;
}

.site-nav a {
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

.site-nav a.active {
  border-color: var(--accent);
}

.card {
  background: var(--surface);
  border-radius: 16px;
  padding: 26px 30px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 35px rgba(15, 23, 42, 0.06);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.hero h2 {
  font-size: 2rem;
  margin: 0 0 12px;
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 18px;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  background: linear-gradient(135deg, rgba(45, 108, 223, 0.06), rgba(255, 255, 255, 0.9));
}

.hero::after {
  content: "";
  position: absolute;
  inset: 40% -40px -40px auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(45, 108, 223, 0.15), transparent 65%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-dark);
  background: rgba(45, 108, 223, 0.12);
  border-radius: 999px;
  padding: 6px 12px;
  margin-bottom: 14px;
  font-weight: 600;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  box-shadow: 0 8px 18px rgba(45, 108, 223, 0.15);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.btn.primary:hover {
  background: var(--accent-dark);
}

.btn.secondary {
  border-color: var(--border);
  color: var(--text);
  background: var(--surface);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  position: relative;
  z-index: 1;
}

.stat {
  border: 1px solid rgba(45, 108, 223, 0.2);
  border-radius: 14px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.5);
}

.stat-value {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-dark);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
}

.section-title {
  margin: 0 0 18px;
  font-size: 1.45rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  position: relative;
}

.section-title::before {
  content: "";
  width: 36px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
  display: inline-block;
}

.section-lede {
  margin: -6px 0 18px;
  color: var(--muted);
  max-width: 720px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.feature {
  position: relative;
  padding: 24px 22px 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(135deg, #fcfdff 0%, #f7f9ff 100%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  text-align: left;
  min-height: 150px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.feature::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 22px;
  width: 40px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0.85;
}

.feature:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
}

.feature h3 {
  margin: 12px 0 0;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--accent-dark);
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.5;
}

.feature-link {
  color: var(--text);
  font-weight: 600;
  font-size: 1rem;
  transition: border 0.15s ease, transform 0.15s ease;
}

.feature-link:hover,
.feature-link:focus {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.usage-block {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  background: #fbfdff;
  margin-bottom: 18px;
}

.usage-block h4 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.usage-block p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.usage-block pre {
  margin: 0;
}

.feature-name {
  font-weight: 600;
}

pre {
  background: var(--code-bg);
  color: var(--code-text);
  font-family: var(--mono);
  padding: 16px 18px;
  border-radius: 14px;
  overflow-x: auto;
  margin: 14px 0;
  font-size: 0.94rem;
  border: 1px solid var(--border);
}

.list {
  padding-left: 20px;
  margin: 0;
}

.list li {
  margin-bottom: 6px;
}

.downloads ul,
.community ul {
  list-style: disc;
  padding-left: 20px;
  margin: 0;
  color: var(--muted);
}

.downloads li,
.community li {
  margin-bottom: 6px;
}

.downloads code {
  background: rgba(45, 108, 223, 0.08);
  padding: 4px 6px;
  border-radius: 6px;
}

.install-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.install-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(135deg, #fcfdff 0%, #f7f9ff 100%);
  padding: 20px 22px;
}

.install-card h4 {
  margin: 0 0 10px;
  color: var(--accent-dark);
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.install-card p {
  color: var(--muted);
  margin: 0 0 12px;
}

.install-card pre {
  margin: 0;
  font-size: 0.86rem;
}

.footer {
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(229, 233, 240, 0.6);
}

.doc-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 28px;
}

.doc-nav {
  position: sticky;
  top: 24px;
  align-self: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 18px;
}

.doc-nav h3 {
  margin: 0 0 12px;
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.doc-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.doc-nav li a {
  display: block;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--text);
  border: 1px solid transparent;
}

.doc-nav li a:hover,
.doc-nav li a:focus {
  border-color: var(--border);
  background: #f4f7fb;
}

.doc-nav li a.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(45, 108, 223, 0.08);
}

.doc-content {
  min-width: 0;
}

.doc-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 32px;
  margin-bottom: 24px;
}

.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 0;
}

.toc a {
  padding: 6px 10px;
  border-radius: 8px;
  background: #f4f7fb;
  border: 1px solid var(--border);
  font-size: 0.88rem;
}

.reference-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 0.95rem;
}

.reference-table th,
.reference-table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  vertical-align: top;
}

.reference-table th {
  background: #f4f6fb;
  font-weight: 600;
}

.reference-table code {
  font-family: var(--mono);
  background: rgba(45, 108, 223, 0.08);
  padding: 0 4px;
  border-radius: 4px;
}

@media (max-width: 800px) {
  .doc-layout {
    grid-template-columns: 1fr;
  }

  .doc-nav {
    position: static;
  }

}

@media (max-width: 640px) {
  .site-shell {
    padding: 24px 16px 40px;
  }

  .card,
  .doc-section {
    padding: 22px 24px;
  }

  .cta-group {
    flex-direction: column;
    align-items: stretch;
  }

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

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