:root {
  --bg: #08111f;
  --bg-elevated: #0d192b;
  --bg-soft: #12213a;
  --surface: rgba(16, 30, 51, 0.86);
  --surface-strong: #13243d;
  --text: #edf4ff;
  --text-soft: #b8c5d9;
  --text-muted: #8292aa;
  --border: rgba(163, 184, 218, 0.18);
  --accent: #60a5fa;
  --accent-bright: #7dd3fc;
  --accent-soft: rgba(96, 165, 250, 0.14);
  --success: #5ee0a0;
  --warning: #f4c96b;
  --danger: #ff8e9d;
  --sidebar-width: 18rem;
  --content-width: 72rem;
  --radius: 0.9rem;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
}

body {
  margin: 0;
  min-width: 20rem;
  background:
    radial-gradient(
      circle at 72% -10%,
      rgba(37, 99, 235, 0.24),
      transparent 34rem
    ),
    radial-gradient(
      circle at 15% 110%,
      rgba(14, 165, 233, 0.12),
      transparent 32rem
    ),
    var(--bg);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent-bright);
  text-underline-offset: 0.18em;
}

a:hover {
  color: #bae6fd;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--warning);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 0.75rem;
  z-index: 100;
  transform: translateY(-180%);
  border-radius: 0.5rem;
  background: var(--text);
  color: var(--bg);
  padding: 0.65rem 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-shell {
  min-height: 100vh;
}

.site-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 50;
  display: flex;
  width: var(--sidebar-width);
  flex-direction: column;
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: rgba(7, 16, 30, 0.92);
  box-shadow: 12px 0 38px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(18px);
}

.sidebar-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.2rem 1.25rem 1rem;
}

.brand,
.mobile-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  width: 2.15rem;
  height: 2.15rem;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(125, 211, 252, 0.32);
  border-radius: 0.7rem;
  background: linear-gradient(
    145deg,
    rgba(59, 130, 246, 0.34),
    rgba(14, 165, 233, 0.12)
  );
  color: #dff5ff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.1);
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 0.94rem;
  letter-spacing: -0.02em;
}

.brand-copy small {
  margin-top: 0.18rem;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  padding: 0.4rem 0.9rem 1.5rem;
}

.nav-section + .nav-section {
  margin-top: 1.45rem;
}

.nav-section h2 {
  margin: 0 0 0.45rem;
  padding: 0 0.7rem;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-section ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-section a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  min-height: 2.35rem;
  border: 1px solid transparent;
  border-radius: 0.6rem;
  padding: 0.46rem 0.68rem;
  color: var(--text-soft);
  font-size: 0.87rem;
  text-decoration: none;
  transition: 140ms ease;
}

.nav-section a:hover {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
}

.nav-section a.is-current {
  border-color: rgba(96, 165, 250, 0.26);
  background: var(--accent-soft);
  color: #e9f6ff;
  box-shadow: inset 3px 0 var(--accent);
}

.nav-arrow {
  color: var(--text-muted);
  font-size: 1.15rem;
  line-height: 1;
}

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 1rem 1.25rem 1.2rem;
  color: var(--text-muted);
  font-size: 0.72rem;
}

.sidebar-footer a {
  color: var(--text-soft);
  text-decoration: none;
}

.sidebar-footer a:hover {
  color: var(--text);
}

.site-main {
  min-height: 100vh;
  margin-left: var(--sidebar-width);
}

.content-wrap {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5.8rem) clamp(1.4rem, 5vw, 5.3rem) 3rem;
}

.page-header {
  position: relative;
  margin-bottom: clamp(2rem, 5vw, 3.6rem);
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
}

.page-header::after {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 5.5rem;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  content: "";
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--accent-bright);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-header h1 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.15rem, 5vw, 4.1rem);
  line-height: 1.03;
  letter-spacing: -0.048em;
}

.page-lead {
  max-width: 45rem;
  margin: 1.05rem 0 0;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  line-height: 1.7;
}

.prose {
  max-width: 52rem;
}

.prose > :first-child {
  margin-top: 0;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  color: var(--text);
  line-height: 1.24;
  letter-spacing: -0.025em;
  scroll-margin-top: 1.5rem;
}

.prose h1 {
  margin: 0 0 1.2rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
}

.prose h2 {
  margin: 3rem 0 0.9rem;
  padding-top: 0.4rem;
  font-size: clamp(1.45rem, 3vw, 1.9rem);
}

.prose h3 {
  margin: 2rem 0 0.6rem;
  font-size: 1.16rem;
}

.prose p,
.prose li {
  color: var(--text-soft);
}

.prose strong {
  color: var(--text);
}

.prose ul,
.prose ol {
  padding-left: 1.35rem;
}

.prose li + li {
  margin-top: 0.4rem;
}

.prose hr {
  height: 1px;
  margin: 2.7rem 0;
  border: 0;
  background: var(--border);
}

.prose blockquote {
  margin: 1.5rem 0;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--accent-soft);
  padding: 0.8rem 1rem;
}

.prose blockquote p {
  margin: 0;
  color: #d8e9ff;
}

.prose code {
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.08rem 0.32rem;
  color: #c7e9ff;
  font-size: 0.88em;
}

.prose pre {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #050c16;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}

.prose pre code {
  border: 0;
  background: transparent;
  padding: 0;
  color: #d8e8fb;
  font-size: 0.84rem;
}

.prose table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.prose th,
.prose td {
  min-width: 7.5rem;
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0.8rem;
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.prose img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.link-grid,
.feature-grid,
.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1.35rem 0;
}

.link-card,
.feature-card,
.status-card {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(
    145deg,
    rgba(18, 33, 58, 0.82),
    rgba(10, 21, 38, 0.78)
  );
  padding: 1.05rem 1.1rem;
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.12);
}

.link-card {
  display: block;
  color: var(--text);
  text-decoration: none;
  transition: 150ms ease;
}

.link-card:hover {
  transform: translateY(-2px);
  border-color: rgba(125, 211, 252, 0.44);
  color: var(--text);
}

.link-card strong,
.feature-card strong,
.status-card strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.link-card span,
.feature-card p,
.status-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.callout {
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1rem 1.1rem;
}

.callout > :first-child {
  margin-top: 0;
}

.callout > :last-child {
  margin-bottom: 0;
}

.callout--warning {
  border-color: rgba(244, 201, 107, 0.32);
  background: rgba(244, 201, 107, 0.08);
}

.callout--danger {
  border-color: rgba(255, 142, 157, 0.32);
  background: rgba(255, 142, 157, 0.08);
}

.pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.16rem 0.52rem;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}

.pill--ready {
  border-color: rgba(94, 224, 160, 0.32);
  background: rgba(94, 224, 160, 0.1);
  color: var(--success);
}

.pill--partial {
  border-color: rgba(244, 201, 107, 0.34);
  background: rgba(244, 201, 107, 0.1);
  color: var(--warning);
}

.pill--scaffold {
  border-color: rgba(255, 142, 157, 0.32);
  background: rgba(255, 142, 157, 0.09);
  color: var(--danger);
}

.steps {
  margin: 1.4rem 0;
  padding: 0;
  counter-reset: steps;
  list-style: none;
}

.steps > li {
  position: relative;
  min-height: 3.4rem;
  margin: 0;
  padding: 0.15rem 0 1.25rem 3.2rem;
  counter-increment: steps;
}

.steps > li::before {
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  width: 2.2rem;
  height: 2.2rem;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(96, 165, 250, 0.3);
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-bright);
  content: counter(steps);
  font-size: 0.82rem;
  font-weight: 800;
}

.page-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  max-width: 52rem;
  margin-top: 4.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1.2rem;
  color: var(--text-muted);
  font-size: 0.76rem;
}

.page-footer p {
  margin: 0;
}

.mobile-header,
.nav-close,
.nav-scrim {
  display: none;
}

@media (max-width: 63.999rem) {
  body.nav-open {
    overflow: hidden;
  }

  .mobile-header {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    height: 4rem;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    background: rgba(7, 16, 30, 0.9);
    padding: 0 1rem;
    backdrop-filter: blur(18px);
  }

  .mobile-brand {
    font-size: 0.9rem;
    font-weight: 700;
  }

  .mobile-brand .brand-mark {
    width: 1.85rem;
    height: 1.85rem;
    border-radius: 0.55rem;
  }

  .nav-toggle,
  .nav-close {
    display: inline-flex;
    width: 2.55rem;
    height: 2.55rem;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 0.65rem;
    background: rgba(255, 255, 255, 0.035);
    color: var(--text);
  }

  .nav-toggle {
    flex-direction: column;
    gap: 0.25rem;
  }

  .nav-toggle > span:not(.sr-only) {
    width: 1rem;
    height: 1px;
    background: currentColor;
  }

  .nav-close {
    font-size: 1.55rem;
  }

  .site-sidebar {
    width: min(22rem, calc(100vw - 2.75rem));
    transform: translateX(-105%);
    transition: transform 180ms ease;
  }

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

  .nav-scrim {
    position: fixed;
    inset: 0;
    z-index: 45;
    width: 100%;
    height: 100%;
    border: 0;
    background: rgba(2, 7, 14, 0.72);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
  }

  .nav-open .nav-scrim {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }

  .site-main {
    margin-left: 0;
  }

  .content-wrap {
    padding-top: clamp(2.2rem, 7vw, 3.8rem);
  }
}

@media (max-width: 40rem) {
  body {
    font-size: 15px;
  }

  .content-wrap {
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .link-grid,
  .feature-grid,
  .status-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-sidebar,
  .mobile-header,
  .nav-scrim,
  .page-footer {
    display: none !important;
  }

  .site-main {
    margin: 0;
  }

  .content-wrap,
  .prose {
    width: 100%;
    max-width: none;
    padding: 0;
  }
}