:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #586674;
  --line: #c8d3dc;
  --paper: #f6f7f4;
  --panel: #ffffff;
  --soft: #edf3f1;
  --accent: #0f766e;
  --accent-2: #3454d1;
  --warn: #a16207;
  --risk: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.page {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.topnav a,
.hero-actions a,
.command-links a {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  padding: 11px 14px;
  text-decoration: none;
}

.topnav a:first-child,
.hero-actions a:first-child {
  border-color: var(--accent);
  color: var(--accent);
}

.overview {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 18px 0 28px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 16px;
  font-size: 4rem;
  line-height: 0.98;
}

h2 {
  margin-bottom: 12px;
  font-size: 1.55rem;
  line-height: 1.16;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.lede {
  max-width: 760px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.system-map {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 14px;
}

.system-map img {
  display: block;
  width: 100%;
  height: auto;
}

.system-map figcaption,
.catalog-meta {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.metrics article,
.panel,
.status-board article {
  min-height: 112px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 18px;
}

.metrics span,
dt {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.metrics strong {
  display: block;
  margin-top: 14px;
  overflow-wrap: anywhere;
  font-size: 1.08rem;
  line-height: 1.25;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.quickstart-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 24px;
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
  margin: 28px 0;
}

.compact-details,
dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 28px;
  margin: 0;
}

dd {
  margin: 6px 0 0;
  overflow-wrap: anywhere;
}

.command-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 28px;
}

.command-links strong {
  float: right;
  color: var(--accent-2);
}

.summary-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.summary-list li {
  display: grid;
  gap: 5px;
  border-left: 3px solid var(--accent);
  padding-left: 10px;
}

.summary-list span {
  color: var(--muted);
}

.summary-list small {
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.command-flow li {
  border-left-color: var(--accent-2);
}

.link-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
}

.link-list a {
  color: var(--accent-2);
}

.status-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.status-board-head {
  grid-column: 1 / -1;
}

.details {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

code {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--soft);
  padding: 0.1rem 0.28rem;
  font: 0.95em ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

pre {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111827;
  color: #f8fafc;
  padding: 14px;
  white-space: pre;
}

pre code {
  border: 0;
  background: transparent;
  color: inherit;
  padding: 0;
  font-size: 0.88rem;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 1120px;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--line);
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

@media (max-width: 860px) {
  .page {
    width: min(100% - 24px, 1160px);
    padding: 24px 0 40px;
  }

  .overview,
  .band,
  .section-grid,
  .quickstart-grid,
  .metrics,
  .command-links,
  .status-board,
  .compact-details,
  dl {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2.45rem;
  }
}