@layer reset, tokens, base, components, responsive;

@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body,
  h1,
  h2,
  h3,
  p,
  dl,
  dd,
  ol,
  ul {
    margin: 0;
  }

  button,
  a {
    font: inherit;
  }

  button {
    color: inherit;
  }

  ol,
  ul {
    padding: 0;
    list-style: none;
  }
}

@layer tokens {
  :root {
    color-scheme: light;
    --ink: #171711;
    --ink-raised: #22221b;
    --paper: #f2efe6;
    --paper-deep: #e4dfd2;
    --white: #fbfaf4;
    --signal: #d6ff34;
    --signal-text: #344200;
    --incident: #c33b32;
    --incident-dark: #74211c;
    --rule-paper: rgb(23 23 17 / 18%);
    --rule-ink: rgb(242 239 230 / 24%);
    --muted-ink: rgb(23 23 17 / 65%);
    --muted-paper: rgb(242 239 230 / 68%);
    --shadow: 0 24px 70px rgb(23 23 17 / 13%);
    --page: min(1540px, calc(100% - 48px));
    --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
      sans-serif;
    --mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas,
      monospace;
  }
}

@layer base {
  body {
    min-width: 320px;
    color: var(--ink);
    background: var(--paper);
    font-family: var(--sans);
    line-height: 1.45;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }

  body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    content: "";
    opacity: 0.34;
    background-image: linear-gradient(rgb(23 23 17 / 2.7%) 1px, transparent 1px),
      linear-gradient(90deg, rgb(23 23 17 / 1.8%) 1px, transparent 1px);
    background-size: 100% 6px, 6px 100%;
  }

  a {
    color: inherit;
  }

  button {
    border: 0;
  }

  button:not(:disabled),
  a[href] {
    cursor: pointer;
  }

  :focus-visible {
    outline: 3px solid var(--paper);
    outline-offset: 0;
    box-shadow: 0 0 0 6px var(--ink);
  }

  ::selection {
    color: var(--ink);
    background: var(--signal);
  }

  .mono,
  code {
    font-family: var(--mono);
    font-variant-numeric: tabular-nums;
  }

  .eyebrow {
    max-width: 80ch;
    color: inherit;
    font-size: 0.69rem;
    font-weight: 760;
    letter-spacing: 0.12em;
    line-height: 1.25;
    text-transform: uppercase;
  }

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

  .skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 100;
    padding: 12px 16px;
    color: var(--ink);
    background: var(--signal);
    font-weight: 800;
    transform: translateY(-160%);
  }

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

@layer components {
  .site-nav {
    position: sticky;
    top: 14px;
    z-index: 50;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    width: min(1480px, calc(100% - 72px));
    min-height: 64px;
    margin: 14px auto -78px;
    padding: 8px 10px 8px 14px;
    color: var(--ink);
    background: rgb(242 239 230 / 74%);
    border: 1px solid rgb(23 23 17 / 18%);
    box-shadow: 0 14px 42px rgb(23 23 17 / 10%);
    -webkit-backdrop-filter: blur(18px) saturate(125%);
    backdrop-filter: blur(18px) saturate(125%);
  }

  .site-nav__brand {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-self: start;
    gap: 11px;
    color: inherit;
    text-decoration: none;
  }

  .site-nav__mark {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    color: var(--ink);
    background: var(--signal);
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: -0.04em;
  }

  .site-nav__brand strong,
  .site-nav__brand small {
    display: block;
  }

  .site-nav__brand strong {
    font-size: 0.9rem;
    letter-spacing: -0.02em;
  }

  .site-nav__brand small {
    margin-top: 2px;
    color: var(--ink);
    font-size: 0.59rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .site-nav__mode {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.63rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .site-nav__signal {
    width: 9px;
    height: 9px;
    background: var(--signal);
    border: 1px solid var(--ink);
  }

  .site-nav__link {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-self: end;
    padding: 10px 12px;
    color: var(--paper);
    background: var(--ink);
    font-size: 0.65rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    text-decoration: none;
    text-transform: uppercase;
  }

  .hero {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.65fr);
    gap: clamp(48px, 7vw, 120px);
    min-height: 790px;
    padding: 180px max(24px, calc((100% - min(1440px, calc(100% - 96px))) / 2))
      70px;
    color: var(--paper);
    background: var(--ink);
    border-bottom: 14px solid var(--signal);
  }

  .hero__primary {
    align-self: center;
  }

  .hero__primary .eyebrow {
    margin-bottom: 24px;
    color: var(--signal);
  }

  .hero h1 {
    max-width: 10.2ch;
    font-size: clamp(4.2rem, 9.4vw, 9.8rem);
    font-weight: 780;
    letter-spacing: -0.075em;
    line-height: 0.82;
    text-wrap: balance;
  }

  .hero__brief {
    align-self: end;
    padding-bottom: 122px;
  }

  .hero__dek {
    max-width: 30ch;
    font-size: clamp(1.25rem, 2.25vw, 2.05rem);
    font-weight: 590;
    letter-spacing: -0.035em;
    line-height: 1.13;
  }

  .hero__boundary {
    max-width: 52ch;
    margin-top: 32px;
    padding-top: 20px;
    color: var(--muted-paper);
    border-top: 1px solid var(--rule-ink);
    font-size: 0.9rem;
  }

  .truth-strip {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-self: end;
    border-top: 1px solid var(--rule-ink);
    border-bottom: 1px solid var(--rule-ink);
  }

  .truth-strip > div {
    padding: 18px 20px 20px 0;
  }

  .truth-strip > div + div {
    padding-left: 20px;
    border-left: 1px solid var(--rule-ink);
  }

  .truth-strip dt {
    margin-bottom: 8px;
    color: var(--signal);
    font-size: 0.63rem;
    font-weight: 720;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .truth-strip dd {
    font-size: 0.98rem;
    font-weight: 650;
  }

  .scope {
    padding: clamp(86px, 9vw, 138px) max(24px, calc((100% - 1440px) / 2));
  }

  .section-heading {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.55fr);
    gap: 48px;
    align-items: end;
    margin-bottom: 58px;
  }

  .section-heading h2 {
    max-width: 13ch;
    margin-top: 13px;
    font-size: clamp(2.8rem, 5.8vw, 6.6rem);
    font-weight: 770;
    letter-spacing: -0.067em;
    line-height: 0.91;
    text-wrap: balance;
  }

  .section-heading > p {
    max-width: 46ch;
    justify-self: end;
    color: var(--muted-ink);
    font-size: clamp(1rem, 1.3vw, 1.2rem);
  }

  .section-heading--ink > p {
    color: var(--muted-paper);
  }

  .section-heading--ink .eyebrow {
    color: var(--signal);
  }

  .monitor-scope {
    border-top: 2px solid var(--ink);
  }

  .monitor-row {
    display: grid;
    grid-template-columns: 52px minmax(180px, 0.9fr) minmax(230px, 1.25fr) minmax(
        180px,
        0.75fr
      ) minmax(250px, 1fr);
    gap: 20px;
    align-items: baseline;
    padding: 25px 0;
    border-bottom: 1px solid var(--rule-paper);
  }

  .monitor-row__index {
    color: var(--signal-text);
    font-size: 0.68rem;
    font-weight: 760;
  }

  .monitor-row__name {
    font-size: 1.18rem;
    letter-spacing: -0.025em;
  }

  .monitor-row__signal,
  .monitor-row__boundary {
    color: var(--muted-ink);
    font-size: 0.9rem;
  }

  .monitor-row__cadence {
    font-size: 0.7rem;
    font-weight: 730;
    letter-spacing: 0.03em;
    text-transform: uppercase;
  }

  .replay {
    padding: clamp(86px, 9vw, 140px) max(20px, calc((100% - 1540px) / 2));
    color: var(--paper);
    background: var(--ink);
  }

  .noscript-boundary {
    max-width: 1000px;
    margin: -22px 0 28px;
    padding: 14px 16px;
    color: var(--ink);
    background: var(--signal);
    font-weight: 650;
  }

  .replay-workspace {
    display: grid;
    grid-template-columns: minmax(270px, 0.72fr) minmax(0, 1.8fr);
    border: 1px solid var(--rule-ink);
    box-shadow: 0 42px 110px rgb(0 0 0 / 25%);
  }

  .event-ledger {
    min-width: 0;
    border-right: 1px solid var(--rule-ink);
  }

  .event-ledger__heading {
    display: flex;
    min-height: 105px;
    padding: 22px 20px;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid var(--rule-ink);
  }

  .event-ledger__heading h3 {
    margin-top: 8px;
    font-size: 1.35rem;
    letter-spacing: -0.035em;
  }

  .event-ledger__count {
    color: var(--muted-paper);
    font-size: 0.63rem;
  }

  .event-ledger__rows {
    display: grid;
  }

  .event-row {
    position: relative;
    display: grid;
    width: 100%;
    min-height: 152px;
    padding: 20px;
    color: var(--paper);
    text-align: left;
    background: transparent;
    border-bottom: 1px solid var(--rule-ink);
  }

  .event-row::after {
    position: absolute;
    inset: 0 auto 0 0;
    width: 0;
    content: "";
    background: var(--signal);
  }

  .event-row:hover {
    background: rgb(242 239 230 / 5%);
  }

  .event-row[aria-pressed="true"] {
    color: var(--ink);
    background: var(--paper);
  }

  .event-row[aria-pressed="true"]::after {
    width: 5px;
  }

  .event-row__top,
  .event-row__footer {
    display: flex;
    align-items: center;
    gap: 9px;
  }

  .event-row__time {
    margin-left: auto;
    color: inherit;
    opacity: 0.68;
    font-size: 0.56rem;
  }

  .event-row__case {
    font-size: 0.61rem;
    font-weight: 750;
  }

  .severity-mark {
    display: inline-block;
    width: 8px;
    height: 8px;
    flex: 0 0 auto;
    border: 1px solid currentColor;
  }

  .event-row__title {
    max-width: 29ch;
    align-self: center;
    margin: 14px 0;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.2;
  }

  .event-row__footer {
    align-self: end;
    justify-content: space-between;
  }

  .event-row__severity,
  .event-row__status {
    font-size: 0.61rem;
    font-weight: 720;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .event-row__status {
    opacity: 0.62;
  }

  .severity-critical,
  .severity-high {
    color: var(--white);
    background: var(--incident);
    border-color: var(--incident);
  }

  .severity-warning {
    color: var(--ink);
    background: var(--paper-deep);
    border-color: var(--ink);
  }

  .severity-info {
    color: var(--signal-text);
    background: var(--signal);
    border-color: var(--signal-text);
  }

  .incident-dossier {
    min-width: 0;
    padding: clamp(28px, 4vw, 58px);
    color: var(--ink);
    background: var(--paper);
  }

  .incident-dossier__header {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px;
    padding-bottom: 28px;
    border-bottom: 2px solid var(--ink);
  }

  .incident-dossier__meta {
    display: flex;
    gap: 9px;
    margin-bottom: 19px;
    color: var(--muted-ink);
    font-size: 0.64rem;
    font-weight: 750;
    letter-spacing: 0.08em;
  }

  .incident-dossier h3 {
    max-width: 18ch;
    font-size: clamp(2.1rem, 4.2vw, 4.8rem);
    font-weight: 760;
    letter-spacing: -0.062em;
    line-height: 0.94;
    text-wrap: balance;
  }

  .incident-dossier__summary {
    max-width: 60ch;
    margin-top: 22px;
    color: var(--muted-ink);
    font-size: 1.04rem;
  }

  .incident-dossier__state {
    display: flex;
    min-width: 132px;
    align-items: flex-end;
    flex-direction: column;
    gap: 9px;
  }

  .severity-badge,
  .status-label {
    display: inline-flex;
    min-height: 32px;
    align-items: center;
    padding: 7px 10px;
    font-size: 0.66rem;
    font-weight: 790;
    letter-spacing: 0.07em;
    text-transform: uppercase;
  }

  .status-label {
    color: var(--ink);
    background: transparent;
    border: 1px solid var(--ink);
  }

  .incident-source {
    margin-top: 14px;
    color: var(--muted-ink);
    font-size: 0.62rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .observed-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 34px;
    border-top: 1px solid var(--rule-paper);
    border-bottom: 1px solid var(--rule-paper);
  }

  .observed-value {
    display: grid;
    min-width: 0;
    padding: 19px 18px 20px 0;
  }

  .observed-value + .observed-value {
    padding-left: 18px;
    border-left: 1px solid var(--rule-paper);
  }

  .observed-value__label {
    color: var(--muted-ink);
    font-size: 0.6rem;
    font-weight: 740;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .observed-value__number {
    margin: 5px 0 1px;
    font-size: clamp(2rem, 3.3vw, 3.6rem);
    letter-spacing: -0.055em;
    line-height: 1;
  }

  .observed-value__detail {
    color: var(--muted-ink);
    font-size: 0.76rem;
  }

  .rule-receipt {
    display: grid;
    grid-template-columns: minmax(155px, 0.48fr) 1.6fr auto;
    gap: 22px;
    align-items: stretch;
    margin-top: 34px;
    color: var(--paper);
    background: var(--ink-raised);
    border-left: 6px solid var(--signal);
  }

  .rule-receipt > div:first-child {
    padding: 21px 0 21px 22px;
  }

  .rule-receipt .eyebrow {
    color: var(--muted-paper);
  }

  .rule-receipt__id {
    display: block;
    margin-top: 12px;
    color: var(--signal);
    font-size: 0.88rem;
  }

  .rule-receipt dl {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    border-left: 1px solid var(--rule-ink);
  }

  .rule-receipt dl > div {
    min-width: 0;
    padding: 20px;
  }

  .rule-receipt dl > div + div {
    border-left: 1px solid var(--rule-ink);
  }

  .rule-receipt dt {
    margin-bottom: 8px;
    color: var(--muted-paper);
    font-size: 0.56rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .rule-receipt dd {
    overflow-wrap: anywhere;
    font-size: 0.73rem;
    font-weight: 650;
    line-height: 1.35;
  }

  .rule-receipt__action {
    display: grid;
    min-width: 118px;
    place-items: center;
    padding: 18px;
    color: var(--signal-text);
    background: var(--signal);
    font-size: 0.59rem;
    font-weight: 820;
    letter-spacing: 0.08em;
    text-align: center;
  }

  .incident-explanation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 42px;
    margin-top: 40px;
  }

  .incident-explanation section {
    min-width: 0;
    padding-top: 17px;
    border-top: 1px solid var(--ink);
  }

  .incident-explanation section > p:last-child {
    margin-top: 13px;
    color: var(--muted-ink);
    font-size: 0.94rem;
  }

  .incident-explanation .response-direction {
    padding: 20px;
    color: var(--signal-text);
    background: var(--signal);
    border-top: 0;
  }

  .incident-explanation .response-direction > p:last-child {
    color: var(--signal-text);
    font-weight: 620;
  }

  .automation-boundary {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 18px;
    align-items: center;
    margin-top: 26px;
    padding: 15px 0;
    border-top: 1px solid var(--rule-paper);
    border-bottom: 1px solid var(--rule-paper);
  }

  .automation-boundary__mark {
    padding: 7px 9px;
    color: var(--paper);
    background: var(--ink);
    font-size: 0.6rem;
    font-weight: 780;
    letter-spacing: 0.08em;
  }

  .automation-boundary p {
    color: var(--muted-ink);
    font-size: 0.82rem;
  }

  .pipeline-zone {
    --packet-position: 8.333%;
    grid-column: 1 / -1;
    min-width: 0;
    padding: clamp(26px, 3.5vw, 48px);
    background: var(--ink-raised);
    border-top: 1px solid var(--rule-ink);
  }

  .pipeline-zone[data-progress="0"] {
    --packet-position: 8.333%;
  }

  .pipeline-zone[data-progress="1"] {
    --packet-position: 25%;
  }

  .pipeline-zone[data-progress="2"] {
    --packet-position: 41.667%;
  }

  .pipeline-zone[data-progress="3"] {
    --packet-position: 58.333%;
  }

  .pipeline-zone[data-progress="4"] {
    --packet-position: 75%;
  }

  .pipeline-zone[data-progress="5"] {
    --packet-position: 91.667%;
  }

  .pipeline-zone__heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
  }

  .pipeline-zone__heading h3 {
    margin-top: 8px;
    font-size: clamp(1.6rem, 3vw, 2.7rem);
    letter-spacing: -0.045em;
  }

  .replay-button {
    min-height: 44px;
    padding: 12px 15px;
    color: var(--ink);
    background: var(--signal);
    border: 1px solid var(--signal);
    font-family: var(--mono);
    font-size: 0.65rem;
    font-weight: 790;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .replay-button:hover {
    color: var(--signal);
    background: transparent;
  }

  .pipeline-scroll-hint {
    display: none;
    margin-top: 20px;
    color: var(--signal);
    font-size: 0.58rem;
    font-weight: 740;
    letter-spacing: 0.07em;
    text-transform: uppercase;
  }

  .tape-track {
    position: relative;
    height: 34px;
    margin-top: 32px;
  }

  .tape-track__base,
  .tape-track__complete {
    position: absolute;
    top: 50%;
    left: 8.333%;
    height: 2px;
    transform: translateY(-50%);
  }

  .tape-track__base {
    right: 8.333%;
    background: var(--rule-ink);
  }

  .tape-track__complete {
    width: max(0px, calc(var(--packet-position) - 8.333%));
    background: var(--signal);
    transition: width 420ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .evidence-packet {
    position: absolute;
    top: 50%;
    left: var(--packet-position);
    display: grid;
    width: 31px;
    height: 31px;
    place-items: center;
    color: var(--ink);
    background: var(--signal);
    border: 2px solid var(--ink-raised);
    font-family: var(--mono);
    font-size: 0.67rem;
    font-weight: 900;
    transform: translate(-50%, -50%);
    transition: left 420ms cubic-bezier(0.22, 1, 0.36, 1);
  }

  .custody-tape {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
  }

  .custody-stage {
    min-width: 0;
  }

  .custody-stage__button {
    display: grid;
    width: 100%;
    min-height: 91px;
    padding: 11px 8px 12px;
    justify-items: center;
    color: var(--muted-paper);
    background: transparent;
    text-align: center;
  }

  .custody-stage__button:hover,
  .custody-stage__button[aria-pressed="true"] {
    color: var(--paper);
    background: rgb(242 239 230 / 5%);
  }

  .custody-stage__node {
    width: 11px;
    height: 11px;
    margin-bottom: 9px;
    background: var(--paper-deep);
    border: 1px solid var(--paper);
  }

  .custody-stage__button[aria-pressed="true"] .custody-stage__node {
    box-shadow: 0 0 0 4px rgb(214 255 52 / 17%);
  }

  .custody-stage__number {
    color: var(--signal);
    font-size: 0.57rem;
  }

  .custody-stage__label {
    margin-top: 3px;
    font-size: 0.79rem;
    font-weight: 720;
  }

  .custody-stage__state {
    margin-top: 5px;
    font-size: 0.55rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
  }

  .custody-stage__node.stage-rejected,
  .custody-stage__node.stage-withheld,
  .stage-detail__state.stage-rejected,
  .stage-detail__state.stage-withheld {
    color: var(--white);
    background: var(--incident);
    border-color: var(--incident);
  }

  .custody-stage__node.stage-captured,
  .custody-stage__node.stage-sanitized,
  .custody-stage__node.stage-accepted,
  .custody-stage__node.stage-finding,
  .custody-stage__node.stage-clear,
  .custody-stage__node.stage-completed,
  .custody-stage__node.stage-recorded,
  .stage-detail__state.stage-captured,
  .stage-detail__state.stage-sanitized,
  .stage-detail__state.stage-accepted,
  .stage-detail__state.stage-finding,
  .stage-detail__state.stage-clear,
  .stage-detail__state.stage-completed,
  .stage-detail__state.stage-recorded {
    color: var(--signal-text);
    background: var(--signal);
    border-color: var(--signal);
  }

  .noscript-custody {
    display: grid;
    gap: 1px;
    margin-top: 1px;
  }

  .noscript-custody .stage-detail {
    position: static;
    min-width: 0;
    margin-top: 0;
  }

  .stage-detail {
    display: grid;
    grid-template-columns: 0.42fr 1fr 1.35fr;
    gap: 0;
    margin-top: 22px;
    color: var(--ink);
    background: var(--paper);
    border-left: 6px solid var(--signal);
  }

  .stage-detail header {
    padding: 21px;
    border-right: 1px solid var(--rule-paper);
  }

  .stage-detail__name {
    font-size: 0.7rem;
    font-weight: 780;
    letter-spacing: 0.07em;
    text-transform: uppercase;
  }

  .stage-detail__state {
    display: inline-flex;
    margin-top: 17px;
    padding: 5px 7px;
    font-size: 0.58rem;
    font-weight: 790;
    letter-spacing: 0.07em;
    text-transform: uppercase;
  }

  .stage-detail dl {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .stage-detail dl > div {
    min-width: 0;
    padding: 21px;
  }

  .stage-detail dl > div + div {
    border-left: 1px solid var(--rule-paper);
  }

  .stage-detail dt {
    margin-bottom: 9px;
    color: var(--muted-ink);
    font-size: 0.59rem;
    font-weight: 720;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .stage-detail dd {
    font-size: 0.78rem;
    font-weight: 620;
  }

  .stage-detail__decision {
    align-self: stretch;
    padding: 21px;
    color: var(--signal-text);
    background: var(--signal);
    font-size: 0.84rem;
    font-weight: 650;
  }

  .boundary {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
    gap: clamp(40px, 9vw, 150px);
    padding: clamp(86px, 10vw, 155px) max(24px, calc((100% - 1440px) / 2));
    color: var(--signal-text);
    background: var(--signal);
  }

  .boundary > .eyebrow {
    grid-column: 1 / -1;
  }

  .boundary h2 {
    max-width: 10ch;
    font-size: clamp(3.5rem, 7vw, 8rem);
    font-weight: 790;
    letter-spacing: -0.075em;
    line-height: 0.84;
  }

  .boundary__content {
    align-self: end;
    padding-top: 22px;
    border-top: 2px solid var(--signal-text);
  }

  .boundary__content > p {
    max-width: 43ch;
    font-size: 1.1rem;
    font-weight: 630;
  }

  .boundary__content ul {
    display: grid;
    gap: 12px;
    margin-top: 29px;
  }

  .boundary__content li {
    position: relative;
    padding-left: 21px;
    font-size: 0.86rem;
  }

  .boundary__content li::before {
    position: absolute;
    top: 0.6em;
    left: 0;
    width: 8px;
    height: 2px;
    content: "";
    background: currentColor;
  }

  .site-footer {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 36px;
    align-items: end;
    padding: 54px max(24px, calc((100% - 1440px) / 2));
    color: var(--paper);
    background: var(--ink);
  }

  .site-footer strong {
    font-size: 1.2rem;
  }

  .site-footer div p {
    margin-top: 5px;
    color: var(--muted-paper);
    font-size: 0.8rem;
  }

  .site-footer > p {
    color: var(--signal);
    font-size: 0.61rem;
    font-weight: 720;
    letter-spacing: 0.07em;
    text-align: right;
  }

  @supports not (
    (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))
  ) {
    .site-nav {
      background: rgb(242 239 230 / 97%);
    }
  }
}

@layer responsive {
  @media (max-width: 1180px) {
    .hero {
      grid-template-columns: 1fr;
      min-height: 760px;
    }

    .hero__brief {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      padding-bottom: 20px;
    }

    .hero__boundary {
      margin-top: 0;
    }

    .monitor-row {
      grid-template-columns: 42px 0.8fr 1fr 0.8fr;
    }

    .monitor-row__boundary {
      grid-column: 2 / -1;
    }

    .replay-workspace {
      grid-template-columns: minmax(245px, 0.58fr) minmax(0, 1.42fr);
    }

    .incident-dossier__header,
    .rule-receipt {
      grid-template-columns: 1fr;
    }

    .incident-dossier__state {
      align-items: flex-start;
      flex-direction: row;
    }

    .rule-receipt > div:first-child {
      padding-right: 22px;
    }

    .rule-receipt dl {
      border-top: 1px solid var(--rule-ink);
      border-left: 0;
    }

    .stage-detail {
      grid-template-columns: 0.6fr 1.4fr;
    }

    .stage-detail__decision {
      grid-column: 1 / -1;
    }
  }

  @media (max-width: 900px) {
    :root {
      --page: calc(100% - 32px);
    }

    .site-nav {
      grid-template-columns: 1fr auto;
      width: calc(100% - 28px);
      margin-bottom: -78px;
    }

    .site-nav__mode {
      display: none;
    }

    .section-heading,
    .boundary {
      grid-template-columns: 1fr;
    }

    .section-heading > p {
      justify-self: start;
    }

    .replay-workspace {
      grid-template-columns: 1fr;
    }

    .event-ledger {
      border-right: 0;
      border-bottom: 1px solid var(--rule-ink);
    }

    .event-ledger__rows {
      grid-template-columns: repeat(5, minmax(230px, 1fr));
      overflow-x: auto;
      overscroll-behavior-inline: contain;
      scroll-snap-type: inline mandatory;
    }

    .event-row {
      min-height: 170px;
      border-right: 1px solid var(--rule-ink);
      scroll-snap-align: start;
    }

    .incident-explanation {
      grid-template-columns: 1fr;
    }

    .pipeline-zone {
      overflow: hidden;
    }

    .custody-tape {
      min-width: 720px;
      overflow: visible;
    }

    .tape-track {
      min-width: 720px;
    }

    .pipeline-zone {
      overflow-x: auto;
      overscroll-behavior-inline: contain;
    }

    .pipeline-zone__heading,
    .stage-detail {
      position: sticky;
      left: 0;
      min-width: min(720px, calc(100vw - 40px));
    }

    .boundary__content {
      max-width: 650px;
    }
  }

  @media (max-width: 720px) {
    :root {
      --page: calc(100% - 24px);
    }

    .site-nav {
      position: relative;
      top: 0;
      width: calc(100% - 20px);
      min-height: 58px;
      margin: 10px auto -68px;
      padding: 7px 8px 7px 10px;
    }

    .site-nav__brand small {
      display: none;
    }

    .site-nav__mark {
      width: 36px;
      height: 36px;
    }

    .site-nav__link {
      padding: 9px;
      font-size: 0.57rem;
    }

    .hero {
      gap: 44px;
      min-height: 720px;
      padding: 130px 20px 34px;
    }

    .hero h1 {
      font-size: clamp(3.55rem, 17vw, 5.2rem);
    }

    .hero__brief {
      grid-template-columns: 1fr;
      gap: 22px;
    }

    .truth-strip {
      grid-template-columns: 1fr;
    }

    .truth-strip > div {
      padding: 13px 0;
    }

    .truth-strip > div + div {
      padding-left: 0;
      border-top: 1px solid var(--rule-ink);
      border-left: 0;
    }

    .scope,
    .replay,
    .boundary {
      padding: 74px 16px;
    }

    .section-heading {
      gap: 26px;
      margin-bottom: 38px;
    }

    .section-heading h2,
    .boundary h2 {
      font-size: clamp(2.9rem, 14vw, 4.7rem);
    }

    .monitor-row {
      grid-template-columns: 30px 1fr;
      gap: 7px 13px;
      padding: 20px 0;
    }

    .monitor-row__name,
    .monitor-row__signal,
    .monitor-row__cadence,
    .monitor-row__boundary {
      grid-column: 2;
    }

    .monitor-row__index {
      grid-row: 1 / span 4;
    }

    .event-ledger__heading {
      min-height: 90px;
      padding: 18px;
    }

    .event-ledger__rows {
      grid-template-columns: repeat(5, minmax(250px, 82vw));
    }

    .incident-dossier {
      padding: 26px 18px 30px;
    }

    .incident-dossier__header {
      gap: 22px;
    }

    .incident-dossier h3 {
      font-size: clamp(2.2rem, 11vw, 3.25rem);
    }

    .observed-values {
      grid-template-columns: 1fr;
    }

    .observed-value,
    .observed-value + .observed-value {
      padding: 15px 0;
      border-left: 0;
    }

    .observed-value + .observed-value {
      border-top: 1px solid var(--rule-paper);
    }

    .rule-receipt dl,
    .incident-explanation {
      grid-template-columns: 1fr;
    }

    .rule-receipt dl > div + div {
      border-top: 1px solid var(--rule-ink);
      border-left: 0;
    }

    .automation-boundary {
      grid-template-columns: 1fr;
    }

    .pipeline-zone {
      padding: 26px 18px;
    }

    .pipeline-zone__heading {
      min-width: 0;
      align-items: flex-start;
      flex-direction: column;
    }

    .pipeline-scroll-hint {
      display: block;
    }

    .tape-track,
    .custody-tape {
      min-width: 650px;
    }

    .stage-detail {
      grid-template-columns: 1fr;
      min-width: calc(100vw - 69px);
    }

    .stage-detail header {
      border-right: 0;
      border-bottom: 1px solid var(--rule-paper);
    }

    .stage-detail dl {
      grid-template-columns: 1fr;
    }

    .stage-detail dl > div + div {
      border-top: 1px solid var(--rule-paper);
      border-left: 0;
    }

    .stage-detail__decision {
      grid-column: auto;
    }

    .boundary {
      gap: 36px;
    }

    .site-footer {
      grid-template-columns: 1fr;
      padding: 42px 20px;
    }

    .site-footer > p {
      text-align: left;
    }
  }

  @media (max-height: 720px) and (min-width: 901px) {
    .site-nav {
      min-height: 56px;
      margin-bottom: -70px;
    }

    .hero {
      min-height: 690px;
      padding-top: 130px;
      padding-bottom: 36px;
    }

    .hero__brief {
      padding-bottom: 42px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    html {
      scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
      scroll-behavior: auto !important;
      transition-duration: 0.01ms !important;
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
    }
  }

  @media print {
    .site-nav,
    .replay-button,
    .tape-track {
      display: none;
    }

    .hero,
    .replay,
    .site-footer {
      color: var(--ink);
      background: var(--white);
    }

    .replay-workspace {
      box-shadow: none;
    }
  }
}