:root {
  --bg: #f5f1ea;
  --panel: rgba(255, 255, 255, 0.76);
  --panel-strong: #ffffff;
  --ink: #10253b;
  --muted: #5f7488;
  --line: rgba(16, 37, 59, 0.12);
  --accent: #17314a;
  --accent-soft: rgba(23, 49, 74, 0.1);
  --glow: 0 24px 80px rgba(16, 37, 59, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --font-display: "Manrope", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-display);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(130, 171, 211, 0.28), transparent 32%),
    radial-gradient(circle at bottom right, rgba(243, 206, 149, 0.24), transparent 28%),
    var(--bg);
}

img {
  max-width: 100%;
  display: block;
}

code,
pre {
  font-family: var(--font-mono);
}

.shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  backdrop-filter: blur(14px);
  background: rgba(245, 241, 234, 0.82);
  overflow-y: auto;
}

.brand-block {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.7));
  box-shadow: var(--glow);
}

.brand-logo {
  width: 132px;
}

.brand-caption {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.search-shell {
  display: block;
  margin: 18px 0;
}

.search-shell span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.search-shell input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  outline: none;
}

.doc-nav {
  display: grid;
  gap: 8px;
}

.doc-nav a {
  color: var(--ink);
  text-decoration: none;
  padding: 12px 14px;
  border-radius: 12px;
  transition: 180ms ease;
  border: 1px solid transparent;
}

.doc-nav a:hover,
.doc-nav a.active {
  background: var(--accent-soft);
  border-color: rgba(23, 49, 74, 0.18);
}

.sidebar-card {
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: #13293f;
  color: #eef4f9;
}

.sidebar-card h3 {
  margin-top: 0;
}

.sidebar-card code {
  display: block;
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  overflow-wrap: anywhere;
}

.content {
  padding: 40px 40px 80px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  padding: 32px;
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.85), rgba(255,255,255,0.6)),
    linear-gradient(135deg, #17314a, #3f6b92);
  box-shadow: var(--glow);
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #5d7691;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.6rem, 4vw, 4.6rem);
  line-height: 0.98;
  max-width: 12ch;
}

.hero-copy {
  max-width: 66ch;
  line-height: 1.75;
  color: var(--muted);
}

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

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  padding: 14px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.primary-action {
  background: var(--accent);
  color: white;
}

.secondary-action {
  background: rgba(255,255,255,0.7);
  color: var(--ink);
  border: 1px solid var(--line);
}

.metrics,
.card-grid {
  display: grid;
  gap: 16px;
}

.metrics {
  margin: 24px 0 8px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metrics article,
.panel {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: var(--radius-lg);
  box-shadow: var(--glow);
  backdrop-filter: blur(10px);
}

.metrics article {
  padding: 20px;
}

.metric-value {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
}

.metric-label {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

.doc-section {
  margin-top: 28px;
}

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 14px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.8rem, 2vw, 2.6rem);
}

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

.panel {
  padding: 22px;
}

.panel h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.12rem;
}

.panel p,
.panel li,
.note {
  color: var(--muted);
  line-height: 1.75;
}

.panel ul {
  margin: 0;
  padding-left: 18px;
}

.feature-grid,
.repo-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.accent-panel {
  background: linear-gradient(180deg, rgba(23,49,74,0.08), rgba(255,255,255,0.78));
}

.architecture-panel {
  overflow: hidden;
}

.architecture-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  margin-bottom: 20px;
}

.flow-node {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
}

.flow-arrow {
  font-weight: 800;
  color: #5d7691;
}

.code-block {
  position: relative;
  margin-top: 16px;
}

.code-block pre {
  margin: 0;
  padding: 18px;
  border-radius: 18px;
  overflow-x: auto;
  background: #10253b;
  color: #edf4fa;
  line-height: 1.65;
}

.copy-button {
  position: absolute;
  top: 12px;
  right: 12px;
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.12);
  color: white;
  cursor: pointer;
}

.emphasis-block pre {
  background: linear-gradient(135deg, #10253b, #17314a);
}

.accordion-list {
  display: grid;
  gap: 12px;
}

details {
  padding: 18px 20px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.45);
  box-shadow: var(--glow);
}

summary {
  cursor: pointer;
  font-weight: 700;
}

summary + p {
  margin-bottom: 0;
}

.mobile-nav-toggle {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: none;
  border: 0;
  border-radius: 999px;
  padding: 14px 18px;
  background: var(--accent);
  color: white;
  font-weight: 700;
  box-shadow: var(--glow);
}

.hidden-by-search {
  display: none;
}

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

.privacy-shell {
  max-width: 1040px;
  margin: 0 auto;
  padding: 32px 20px 72px;
}

.privacy-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.privacy-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--ink);
}

.privacy-brand img {
  width: 120px;
}

.privacy-card {
  padding: 28px;
}

.privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.95rem;
}

.privacy-meta span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
}

.privacy-section-list {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

@media (max-width: 1180px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(320px, 86vw);
    transform: translateX(-102%);
    transition: transform 220ms ease;
    z-index: 20;
    box-shadow: var(--glow);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .content {
    padding: 26px 20px 80px;
  }

  .mobile-nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 960px) {
  .metrics,
  .feature-grid,
  .repo-grid,
  .two-column,
  .architecture-flow,
  .hero {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 24px;
  }

  .hero h1 {
    max-width: none;
  }

  .section-heading {
    flex-direction: column;
    gap: 4px;
  }
}