:root {
  color-scheme: dark;
  --nr-bg: #090b0c;
  --nr-panel: #111517;
  --nr-panel-2: #171d20;
  --nr-text: #f2efe8;
  --nr-muted: #b8c0bf;
  --nr-line: #354044;
  --nr-line-strong: #667377;
  --nr-accent: #f2c45e;
  --nr-accent-2: #e78a68;
  --nr-safe: #9ed6ad;
  --nr-partial: #ffd38a;
  --nr-contained: #eea77e;
  --nr-danger: #ff9a9a;
  --nr-focus: #a8d8ff;
  --nr-width: 76rem;
  --nr-radius: .55rem;
  --nr-shadow: 0 1.2rem 3rem rgba(0,0,0,.25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--nr-bg); }
body {
  margin: 0;
  background:
    radial-gradient(circle at 12% -5%, rgba(242,196,94,.10), transparent 25rem),
    linear-gradient(180deg, #0b0e0f 0, var(--nr-bg) 24rem);
  color: var(--nr-text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}
a { color: var(--nr-accent); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: .16em; }
button, input, select { font: inherit; }
button, a, input, select, summary { outline-offset: .24rem; }
:focus-visible { outline: .18rem solid var(--nr-focus); }
code { overflow-wrap: anywhere; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .88em; }

.skip-link {
  position: fixed;
  z-index: 100;
  left: 1rem;
  top: .5rem;
  transform: translateY(-200%);
  padding: .65rem 1rem;
  color: #080a0b;
  background: var(--nr-focus);
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: relative;
  z-index: 5;
  border-bottom: 1px solid var(--nr-line);
  background: rgba(9,11,12,.92);
}
.header-inner {
  width: min(calc(100% - 2rem), var(--nr-width));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 4.25rem;
}
.wordmark { color: var(--nr-text); text-decoration: none; font-weight: 900; letter-spacing: .08em; }
.wordmark span { color: var(--nr-accent); }
.site-header nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .15rem .7rem; }
.site-header nav a { padding: .3rem .1rem; color: var(--nr-muted); text-decoration: none; font-size: .86rem; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--nr-text); border-bottom: .12rem solid var(--nr-accent); }

main > section, footer {
  width: min(calc(100% - 2rem), var(--nr-width));
  margin-inline: auto;
}
.hero { padding: clamp(3.5rem, 8vw, 7.6rem) 0 4.5rem; }
.eyebrow, .section-heading > span {
  display: inline-block;
  color: var(--nr-accent);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.12; text-wrap: balance; }
h1 { max-width: 16ch; margin: .55rem 0 1.25rem; font-size: clamp(2.5rem, 7vw, 5.7rem); letter-spacing: -.045em; }
h2 { margin: .4rem 0 .85rem; font-size: clamp(1.75rem, 4vw, 3rem); letter-spacing: -.025em; }
h3 { margin: 0 0 .65rem; font-size: 1.12rem; }
.lede { max-width: 51rem; color: #d8ddda; font-size: clamp(1.05rem, 2vw, 1.35rem); }
.hero blockquote {
  max-width: 57rem;
  margin: 2rem 0;
  padding: 1rem 1.2rem;
  border-left: .28rem solid var(--nr-accent);
  background: rgba(242,196,94,.07);
  color: var(--nr-text);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  font-weight: 750;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: .65rem 1rem;
  border: 1px solid var(--nr-accent);
  border-radius: .25rem;
  background: var(--nr-accent);
  color: #12100b;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}
.button:hover { filter: brightness(1.07); text-decoration: none; }
.button.secondary { background: transparent; color: var(--nr-accent); }
.button.ghost { border-color: var(--nr-line-strong); background: transparent; color: var(--nr-text); }
.scope-note { max-width: 60rem; margin-top: 1.6rem; color: var(--nr-muted); font-size: .93rem; }

.section-heading { max-width: 55rem; margin-bottom: 1.65rem; }
.section-heading p { color: var(--nr-muted); }
.answer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1rem;
  padding: 4rem 0;
  border-top: 1px solid var(--nr-line);
}
.answer-grid .section-heading { grid-column: 1 / -1; }
.answer-grid article, .detail-grid article, .test-grid article, .vector-grid article {
  padding: 1.25rem;
  border: 1px solid var(--nr-line);
  border-radius: var(--nr-radius);
  background: linear-gradient(145deg, rgba(23,29,32,.96), rgba(15,19,21,.96));
}
.answer-grid p, .vector-grid p { margin: 0; color: var(--nr-muted); }

.status-band {
  display: grid;
  grid-template-columns: repeat(5,minmax(0,1fr));
  gap: 1px;
  margin-block: 2rem 4rem;
  overflow: hidden;
  border: 1px solid var(--nr-line);
  border-radius: var(--nr-radius);
  background: var(--nr-line);
}
.status-band div { padding: 1.15rem; background: var(--nr-panel); }
.status-band strong { display: block; font-size: 1.9rem; color: var(--nr-accent); }
.status-band span { color: var(--nr-muted); font-size: .88rem; }

.lens, .workbench, .receipt-detail, .vector-atlas, .faq, .continuity { padding: 4.5rem 0; border-top: 1px solid var(--nr-line); }
.role-tabs { display: flex; flex-wrap: wrap; gap: .5rem; }
.role-tabs a {
  padding: .55rem .8rem;
  border: 1px solid var(--nr-line);
  border-radius: 999px;
  color: var(--nr-muted);
  text-decoration: none;
}
.role-tabs a[aria-current="page"] { border-color: var(--nr-accent); color: var(--nr-text); background: rgba(242,196,94,.08); }

.filters {
  display: grid;
  grid-template-columns: 1fr 1fr minmax(15rem,2fr) auto auto;
  align-items: end;
  gap: .8rem;
  padding: 1rem;
  border: 1px solid var(--nr-line);
  border-radius: var(--nr-radius);
  background: var(--nr-panel);
}
.filters label { display: grid; gap: .35rem; color: var(--nr-muted); font-size: .82rem; font-weight: 720; }
.filters input, .filters select {
  width: 100%;
  min-height: 2.7rem;
  padding: .55rem .65rem;
  border: 1px solid var(--nr-line-strong);
  border-radius: .25rem;
  background: #080b0c;
  color: var(--nr-text);
}
.reset { align-self: center; padding: .5rem; color: var(--nr-muted); }
.result-count { color: var(--nr-muted); }
.receipt-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.receipt-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.2rem;
  border: 1px solid var(--nr-line);
  border-top: .24rem solid var(--nr-safe);
  border-radius: var(--nr-radius);
  background: var(--nr-panel);
  box-shadow: var(--nr-shadow);
}
.receipt-card.status-partial_observation { border-top-color: var(--nr-partial); }
.receipt-card.status-recurrence_contained { border-top-color: var(--nr-contained); }
.card-topline { display: flex; align-items: flex-start; justify-content: space-between; gap: .8rem; margin-bottom: .8rem; color: var(--nr-muted); font-size: .76rem; font-weight: 750; letter-spacing: .04em; }
.status-pill { display: inline-block; padding: .24rem .55rem; border: 1px solid currentColor; border-radius: 999px; color: var(--nr-safe); font-size: .72rem; font-weight: 800; letter-spacing: .02em; }
.status-partial_observation .status-pill, .status-pill.partial { color: var(--nr-partial); }
.status-recurrence_contained .status-pill { color: var(--nr-contained); }
.status-pill.large { padding: .4rem .7rem; font-size: .8rem; }
.receipt-card h3 a { color: var(--nr-text); }
.receipt-card > p { flex-grow: 1; color: var(--nr-muted); }
.surface-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin: .8rem 0; padding: 0; list-style: none; }
.surface-tags li { padding: .22rem .48rem; border: 1px solid var(--nr-line); border-radius: .2rem; color: var(--nr-muted); font-size: .75rem; }
.card-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; padding-top: .85rem; border-top: 1px solid var(--nr-line); }
.compare-control { margin-left: auto; color: var(--nr-muted); font-size: .82rem; }
.compare-tray {
  position: sticky;
  z-index: 4;
  bottom: 1rem;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--nr-accent);
  border-radius: var(--nr-radius);
  background: rgba(17,21,23,.98);
  box-shadow: var(--nr-shadow);
}
.compare-tray p { margin-top: 0; }
.compare-tray [data-compare-items] { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .8rem; }
.compare-chip { padding: .3rem .55rem; border: 1px solid var(--nr-line); border-radius: 999px; font-size: .78rem; }
.empty-state { padding: 2rem; border: 1px dashed var(--nr-line-strong); text-align: center; }

.receipt-detail { scroll-margin-top: 1rem; }
.detail-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.detail-summary { max-width: 62rem; color: var(--nr-muted); font-size: 1.06rem; }
.detail-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; margin: 1.5rem 0; }
.detail-grid p, .detail-grid dd { color: var(--nr-muted); }
dl { margin: 0; }
dt { margin-top: .65rem; color: var(--nr-text); font-size: .78rem; font-weight: 850; text-transform: uppercase; letter-spacing: .06em; }
dd { margin: .15rem 0 0; overflow-wrap: anywhere; }
.path-panel { margin: 1.4rem 0; padding: 1rem; border: 1px solid var(--nr-line); background: var(--nr-panel); }
.state-path { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: .35rem; margin: 0; padding: 0; list-style: none; counter-reset: state; }
.state-path li { position: relative; min-width: 0; padding: .75rem .55rem; border: 1px solid var(--nr-line); background: var(--nr-panel-2); }
.state-path li::before { counter-increment: state; content: counter(state); display: block; color: var(--nr-accent); font-weight: 900; }
.state-path strong, .state-path span { display: block; overflow-wrap: anywhere; }
.state-path strong { margin: .3rem 0; font-size: .78rem; }
.state-path span { color: var(--nr-muted); font-size: .68rem; }
.surface-table-wrap { overflow-x: auto; margin: 1.5rem 0; border: 1px solid var(--nr-line); }
table { width: 100%; border-collapse: collapse; min-width: 60rem; background: var(--nr-panel); }
caption { padding: .8rem; text-align: left; font-weight: 800; }
th, td { padding: .7rem; border-top: 1px solid var(--nr-line); text-align: left; vertical-align: top; }
thead th { color: var(--nr-accent); font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; }
tbody th { min-width: 10rem; }
tbody td { color: var(--nr-muted); }
details { margin: .8rem 0; border: 1px solid var(--nr-line); border-radius: var(--nr-radius); background: var(--nr-panel); }
summary { padding: 1rem; cursor: pointer; color: var(--nr-text); font-weight: 800; }
details > :not(summary) { margin-left: 1rem; margin-right: 1rem; }
details > :last-child { margin-bottom: 1rem; }
.test-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .8rem; }
.event-card { padding: 1rem; border-left: .25rem solid var(--nr-contained); background: rgba(231,138,104,.06); }
.canary-list { padding: 0; list-style: none; }
.canary-list li { display: grid; gap: .35rem; padding: .75rem 0; border-top: 1px solid var(--nr-line); }
.canary-list span { color: var(--nr-muted); }
.hash-list dd { margin-bottom: .75rem; }
.machine-links { display: flex; flex-wrap: wrap; align-items: baseline; gap: .8rem 1.1rem; margin-top: 1.4rem; padding: 1rem; border: 1px solid var(--nr-line); }
.machine-links h3 { width: 100%; }

.vector-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .8rem; }
.faq details p { color: var(--nr-muted); }
.continuity ol { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: .7rem; margin: 0; padding: 0; list-style: none; }
.continuity li, .continuity li a { display: flex; flex-direction: column; min-height: 9rem; }
.continuity li { padding: 1rem; border: 1px solid var(--nr-line); background: var(--nr-panel); }
.continuity li[aria-current="step"] { border-color: var(--nr-accent); }
.continuity a { color: inherit; text-decoration: none; }
.continuity span { margin-top: .6rem; color: var(--nr-muted); }
footer { padding: 2.5rem 0 4rem; border-top: 1px solid var(--nr-line); color: var(--nr-muted); }
.noscript { position: relative; padding: 1rem; border-top: 2px solid var(--nr-partial); background: #201a10; color: var(--nr-text); text-align: center; }

html[data-role="person"] [data-role-section="person"],
html[data-role="verifier"] [data-role-section="verifier"],
html[data-role="operator"] [data-role-section="operator"],
html[data-role="auditor"] [data-role-section="auditor"] { border-color: var(--nr-accent); }

@media (max-width: 70rem) {
  .header-inner { align-items: flex-start; flex-direction: column; padding: .8rem 0; }
  .site-header nav { justify-content: flex-start; }
  .filters { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .search-label { grid-column: 1 / -1; }
  .answer-grid, .vector-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .status-band { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .state-path { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .continuity ol { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 44rem) {
  main > section, footer, .header-inner { width: min(calc(100% - 1.2rem), var(--nr-width)); }
  .hero { padding-top: 3rem; }
  .site-header nav { gap: .1rem .55rem; }
  .site-header nav a { font-size: .78rem; }
  .answer-grid, .receipt-grid, .detail-grid, .test-grid, .vector-grid, .filters, .continuity ol { grid-template-columns: 1fr; }
  .answer-grid .section-heading, .search-label { grid-column: 1; }
  .status-band { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .detail-heading { flex-direction: column; }
  .state-path { grid-template-columns: 1fr; }
  .card-topline { flex-direction: column; }
  .compare-control { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

@media print {
  :root { color-scheme: light; --nr-bg:#fff; --nr-panel:#fff; --nr-panel-2:#fff; --nr-text:#000; --nr-muted:#222; --nr-line:#888; --nr-line-strong:#444; --nr-accent:#000; --nr-safe:#000; --nr-partial:#000; --nr-contained:#000; }
  body { background: #fff; color:#000; font-size: 10pt; }
  .site-header nav, .hero-actions, .filters, .compare-control, .compare-tray, footer, .noscript { display: none !important; }
  .site-header { position: static; background:#fff; }
  .hero, .answer-grid, .lens, .workbench, .receipt-detail, .vector-atlas, .faq, .continuity { padding: 1rem 0; }
  .receipt-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .receipt-card, .answer-grid article, .detail-grid article, .test-grid article, .vector-grid article, details { box-shadow:none; break-inside: avoid; background:#fff; }
  details { display:block; }
  details > * { display:block !important; }
  summary { list-style:none; }
  a { color:#000; text-decoration: underline; }
  .surface-table-wrap { overflow: visible; }
  table { min-width: 0; font-size: 8pt; }
  h1 { font-size: 27pt; }
  h2 { font-size: 19pt; }
}