:root {
  --surface-page: #ffffff;
  --surface-card: #ffffff;
  --surface-subtle: #f5f5f5;
  --ink-primary: #0a0a0a;
  --ink-secondary: #525252;
  --ink-tertiary: #8a8a8a;
  --line-subtle: #eaeaea;
  --line-default: #d8d8d8;
  --brand: #005b8f;
  --brand-hover: #004670;
  --brand-soft: #eef7fb;
  --success: #23a455;
  --success-soft: #eaf8ef;
  --wire-missing: #ffe6fb;
  --wire-missing-line: #e77bd8;
  --wire-label: #6f2b64;
  --wire-neutral: #f3f4f6;
  --wire-neutral-line: #d8dde5;
  --wire-neutral-label: #667085;
  --radius: 3px;
  --shadow-soft: 0 1px 2px rgb(15 23 42 / 0.04), 0 8px 28px rgb(15 23 42 / 0.035);
}

* { box-sizing: border-box; }

html {
  background: var(--surface-page);
  color: var(--ink-primary);
  font: 15px/1.6 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}

body { margin: 0; }

a { color: inherit; text-decoration: none; }

.main-content a:not(.tag) { color: var(--brand); }
.main-content a:not(.tag):hover { color: var(--brand-hover); text-decoration: underline; }

.topbar {
  align-items: center;
  backdrop-filter: blur(16px);
  background: rgb(255 255 255 / 0.92);
  border-bottom: 1px solid var(--line-subtle);
  display: flex;
  gap: 1.5rem;
  min-height: 4rem;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { align-items: center; display: flex; min-width: max-content; }
.brand-text { color: var(--ink-primary); font-size: 1rem; font-weight: 750; letter-spacing: -0.01em; }

.main-nav { display: flex; gap: 0.25rem; margin-left: auto; }
.main-nav a {
  border-radius: 7px;
  color: var(--ink-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 1.25rem 0.65rem;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] { color: var(--ink-primary); }
.main-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--brand); }

.content-shell {
  display: grid;
  grid-template-columns: 24rem minmax(0, 1fr);
  margin: 0 auto;
  max-width: 1540px;
}

.sidebar {
  border-right: 1px solid var(--line-subtle);
  height: calc(100vh - 4rem);
  overflow: auto;
  padding: 1.5rem 1rem;
  position: sticky;
  top: 4rem;
}

.sidebar-title {
  color: var(--ink-tertiary);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  margin: 0 0 1rem;
  text-transform: uppercase;
}

.tree-group ul {
  border-left: 1px solid var(--line-subtle);
  list-style: none;
  margin: 0.25rem 0 0.8rem 0.2rem;
  padding: 0 0 0 0.7rem;
}

.tree-group > ul { border-left: 0; margin-left: 0; padding-left: 0; }

.tree-group li { margin: 0.05rem 0; }

.tree-group a {
  align-items: flex-start;
  border-radius: 7px;
  color: var(--ink-secondary);
  display: grid;
  gap: 0.05rem;
  padding: 0.32rem 0.45rem;
}

.tree-group a span { font-size: 0.9rem; font-weight: 430; }
.tree-group > ul > li > a span,
.tree-group > ul > li > .tree-subgroup > summary > a span { font-weight: 650; }
.tree-group a small { color: var(--ink-tertiary); font-size: 0.72rem; overflow-wrap: anywhere; }

.tree-label { align-items: center; display: inline-flex; gap: 0.4rem; }
.tree-new-dot {
  background: var(--success);
  border-radius: 999px;
  display: inline-block;
  flex: 0 0 auto;
  height: 0.48rem;
  width: 0.48rem;
}
.tree-group a.tree-outline { color: var(--ink-tertiary); }
.tree-group a.tree-outline small { color: #b0b0b0; }

.tree-group a:hover,
.tree-group a[aria-current="page"] { background: var(--brand-soft); color: var(--ink-primary); }

.tree-subgroup { margin-left: 0; }
.tree-subgroup summary {
  cursor: pointer;
  list-style: none;
  padding: 0;
}
.tree-subgroup summary::-webkit-details-marker { display: none; }
.tree-subgroup summary a { margin-bottom: 0.1rem; }

.main-content { min-width: 0; padding: 3rem; }

.page-header {
  align-items: flex-start;
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  margin-bottom: 2.25rem;
  max-width: 68rem;
}

.page-header-main { max-width: 52rem; min-width: 0; }
.page-header-intro { max-width: 76rem; }
.page-header-intro .page-header-main { max-width: 64rem; }

.wire-section,
.wire-home-hero { position: relative; }
.wire-box,
.wire-cluster {
  border: 1px solid var(--line-default);
  border-radius: var(--radius);
  padding: 1rem;
}
.wire-box-invert { border-color: rgb(255 255 255 / 0.24); }
.wire-placeholder {
  align-items: center;
  background: var(--wire-neutral);
  border: 1px dashed var(--wire-neutral-line);
  border-radius: var(--radius);
  color: var(--wire-neutral-label);
  display: grid;
  gap: 0.35rem;
  justify-items: center;
  min-height: 10rem;
  padding: 1.25rem;
  text-align: center;
}
.wire-placeholder-missing {
  background: var(--wire-missing);
  border-color: var(--wire-missing-line);
  color: var(--wire-label);
}
.wire-placeholder-wide { margin-top: 1.25rem; }
.wire-placeholder-visual { min-height: 18rem; }
.wire-placeholder-media { min-height: 12rem; }
.wire-home-hero {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
}
.wire-page {
  display: grid;
  gap: 1.5rem;
  max-width: 78rem;
  width: 100%;
}
.wire-detail-hero,
.wire-detail-grid,
.wire-source-grid,
.wire-link-grid {
  display: grid;
  gap: 1rem;
}
.wire-detail-hero { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.wire-detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.wire-source-grid { grid-template-columns: minmax(0, 1fr); }
.wire-link-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.wire-source-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr);
}
.wire-source-row-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.wire-source-row-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.wire-source-row-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.wire-source-row-5,
.wire-source-row-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.wire-source-row-logos { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.wire-source-row-logos .wire-placeholder {
  min-height: 2.8rem;
  padding: 0.35rem 0.5rem;
}
.wire-source-row-logos .wire-placeholder strong {
  font-size: 0.78rem;
  line-height: 1.25;
}
.wire-placeholder-compact {
  min-height: 2.8rem;
  padding: 0.35rem 0.65rem;
}
.wire-placeholder-compact strong { font-size: 0.82rem; line-height: 1.25; }
.wire-source-column {
  display: grid;
  gap: 1rem;
  min-width: 0;
}
.wire-source-grid .wire-box p:last-child,
.wire-detail-grid .wire-box p:last-child { margin-bottom: 0; }
.wire-link-grid a { color: var(--brand) !important; overflow-wrap: anywhere; }

.eyebrow,
.metric-label {
  color: var(--ink-tertiary);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(1.9rem, 3vw, 2.65rem); letter-spacing: -0.025em; line-height: 1.12; margin-bottom: 0; }
h2 { font-size: 1.45rem; letter-spacing: -0.015em; }
h3 { font-size: 1rem; margin-bottom: 0.45rem; }
.page-header p, .muted { color: var(--ink-secondary); }

.grid { display: grid; gap: 1rem; }
.metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 2.5rem; }

.metric-card {
  background: var(--surface-card);
  border: 1px solid var(--line-subtle);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.metric-card { padding: 1.25rem; }
.metric-card p { color: var(--ink-secondary); margin: 0.55rem 0 0; }

.section-block { display: grid; gap: 1.25rem; }
.document { width: 100%; scroll-margin-top: 5rem; }
.document-depth-1 { margin-top: 1.5rem; }
.document-depth-2 { margin-left: 1rem; }
.document-depth-3,
.document-depth-4,
.document-depth-5 { margin-left: 2rem; }

table { border-collapse: collapse; font-size: 0.92rem; width: 100%; }
th, td { border-bottom: 1px solid var(--line-subtle); padding: 0.75rem; text-align: left; vertical-align: top; }
th { color: var(--ink-tertiary); font-size: 0.76rem; font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase; }

.prose { max-width: 58rem; }
.document > .prose { max-width: none; }
.prose p { color: var(--ink-secondary); margin-bottom: 0.85rem; }
.prose h3 { margin-top: 1.3rem; }

.document-cta {
  background: linear-gradient(135deg, var(--ink-primary), #16364d);
  border-radius: var(--radius);
  color: #fff;
  margin: 2rem 0;
  padding: 1.5rem;
}
.document-cta h2 { margin-bottom: 0.65rem; }
.document-cta p { color: rgb(255 255 255 / 0.78); max-width: 42rem; }
.document-cta .eyebrow { color: rgb(255 255 255 / 0.64); }
.document-cta .button-primary { margin-top: 0.55rem; }

.tag-row { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 0.8rem; }
.tag { background: var(--surface-subtle); border-radius: 999px; color: var(--ink-secondary); font-size: 0.78rem; padding: 0.18rem 0.55rem; }

.home-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.button-primary,
.button-secondary {
  border-radius: var(--radius);
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  padding: 0.75rem 1rem;
}
.button-primary { background: var(--brand); color: #fff !important; }
.button-primary:hover { background: var(--brand-hover); color: #fff !important; text-decoration: none !important; }
.button-secondary { border: 1px solid var(--line-default); color: var(--ink-primary) !important; }
.button-secondary:hover { background: var(--surface-subtle); text-decoration: none !important; }

.home-section {
  border-top: 1px solid var(--line-subtle);
  margin-top: 3rem;
  max-width: 78rem;
  padding-top: 3rem;
}
.section-heading { max-width: 52rem; }
.section-heading.wire-box { max-width: none; width: 100%; }
.section-heading p,
.home-split p,
.home-cta p { color: var(--ink-secondary); }
.solution-grid,
.app-grid,
.trust-grid,
.logo-grid,
.product-claim-grid,
.story-grid,
.role-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}
.solution-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.logo-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.product-claim-grid,
.story-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.solution-card,
.trust-grid article,
.product-claim-grid article,
.story-grid article,
.role-list article {
  background: var(--surface-card);
  border: 1px solid var(--line-subtle);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 1.1rem;
}
.solution-card span { color: var(--ink-primary); display: block; font-weight: 750; margin-bottom: 0.45rem; }
.solution-card p,
.trust-grid p,
.product-claim-grid p,
.story-grid p { color: var(--ink-secondary); margin: 0; }
.logo-grid span {
  align-items: center;
  border: 1px solid var(--line-subtle);
  display: flex;
  font-weight: 750;
  justify-content: center;
  min-height: 4.5rem;
  padding: 0.75rem;
  text-align: center;
}
.home-split { display: grid; gap: 2rem; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); }
.home-split .wire-frame-label,
.home-split .wire-placeholder { grid-column: 1 / -1; }
.ecosystem-section {
  background: linear-gradient(135deg, var(--brand-soft), #fff);
  border: 1px solid var(--line-subtle);
  border-radius: var(--radius);
  padding: 2rem;
}
.app-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.app-grid a {
  background: var(--ink-primary);
  border-radius: var(--radius);
  color: #fff !important;
  font-weight: 750;
  padding: 0.65rem 0.8rem;
  text-align: center;
}
.app-grid a:hover { background: var(--brand); text-decoration: none !important; }
.trust-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.role-list article { display: grid; gap: 0.3rem; }
.role-list span { color: var(--ink-secondary); }
.home-cta {
  align-items: center;
  background: var(--ink-primary);
  border-radius: var(--radius);
  color: #fff;
  display: flex;
  gap: 2rem;
  justify-content: space-between;
  margin-top: 3rem;
  max-width: 78rem;
  padding: 2rem;
}
.home-cta p,
.home-cta .eyebrow { color: rgb(255 255 255 / 0.75); }
.home-cta .button-secondary { border-color: rgb(255 255 255 / 0.3); color: #fff !important; }
.home-cta .button-secondary:hover { background: rgb(255 255 255 / 0.1); }

@media (max-width: 1020px) {
  .topbar { align-items: flex-start; flex-direction: column; gap: 0.5rem; padding: 1rem; position: static; }
  .main-nav { flex-wrap: wrap; margin-left: 0; }
  .main-nav a { padding: 0.45rem 0.55rem; }
  .content-shell { display: block; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line-subtle); height: auto; max-height: 50vh; position: static; }
  .main-content { padding: 1.25rem; }
  .metrics { grid-template-columns: 1fr; }
  .solution-grid,
  .app-grid,
  .trust-grid,
  .logo-grid,
  .product-claim-grid,
  .story-grid,
  .home-split { grid-template-columns: 1fr; }
  .home-cta { align-items: flex-start; flex-direction: column; }
  .wire-detail-hero,
  .wire-detail-grid,
  .wire-source-grid,
  .wire-link-grid { grid-template-columns: 1fr; }
  .document-depth-2,
  .document-depth-3,
  .document-depth-4,
  .document-depth-5 { margin-left: 0; }
  .page-header { display: block; }
}