:root {
  --paper: #f7f8f4;
  --white: #ffffff;
  --ink: #102f24;
  --muted: #52635b;
  --forest: #173b2d;
  --green: #26754b;
  --green-bright: #16864e;
  --mint: #e6eee5;
  --mint-soft: #f0f5ef;
  --border: #d3ded2;
  --border-strong: #b9c9ba;
  --danger: #9f3f32;
  --danger-bg: #f8ece8;
  --radius: 14px;
  --shadow:
    0 18px 50px rgba(20, 53, 40, 0.08), 0 2px 5px rgba(20, 53, 40, 0.05);
  --content: 1380px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

body::before {
  display: none;
}

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

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

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--forest);
  color: white;
  transform: translateY(-160%);
}
.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.hero,
.principles,
.proof,
.next-move,
.closing-band,
footer {
  width: min(var(--content), calc(100% - 96px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 84px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid rgba(211, 222, 210, 0.82);
  background: rgba(247, 248, 244, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 740;
  font-size: 24px;
  letter-spacing: 0.13em;
}
.brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  transform: scale(1.35);
}

.site-header nav,
footer nav {
  display: flex;
  align-items: center;
  gap: 38px;
}
.site-header nav a,
footer nav a {
  text-decoration: none;
  color: #17382c;
  font-weight: 540;
}
.site-header nav a:hover,
footer nav a:hover,
.text-link:hover,
.text-button:hover {
  color: var(--green);
}

.site-header .nav-cta {
  border: 1px solid var(--green);
  border-radius: 8px;
  padding: 10px 16px;
}

.hero {
  min-height: 790px;
  padding: 48px 0 62px;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(600px, 1.12fr);
  gap: clamp(54px, 7vw, 118px);
  align-items: start;
}

.hero-copy {
  padding-bottom: 38px;
  margin-top: 128px;
}
.landing .hero .eyebrow {
  display: block !important;
  width: auto !important;
  min-height: 0 !important;
  margin: 0 0 24px !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  color: var(--green) !important;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px !important;
  font-weight: 650 !important;
  letter-spacing: 0.08em !important;
  line-height: 1.5;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0;
  max-width: 690px;
  font-size: clamp(58px, 5.1vw, 82px);
  line-height: 0.99;
  letter-spacing: -0.052em;
  font-weight: 725;
}
.hero h1 span {
  color: var(--green-bright);
}
.hero-deck {
  max-width: 580px;
  margin: 36px 0 0;
  color: #34483f;
  font-size: clamp(20px, 1.6vw, 25px);
  line-height: 1.5;
  letter-spacing: -0.018em;
}
.landing .hero .hero-deck {
  max-width: 580px !important;
  margin: 36px 0 0 !important;
  color: #34483f !important;
  font-size: clamp(20px, 1.6vw, 25px) !important;
  line-height: 1.5 !important;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 42px;
  margin-top: 40px;
}
.hero-note {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.landing .hero .hero-note {
  max-width: 580px !important;
  margin: 28px 0 0 !important;
  color: var(--muted) !important;
  font-size: 14px !important;
  line-height: 1.5 !important;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 0 24px;
  text-decoration: none;
  font-weight: 650;
  cursor: pointer;
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease;
}
.button:hover:not(:disabled) {
  transform: translateY(-1px);
}
.button-primary {
  background: var(--forest);
  color: white;
}
.button-primary:hover:not(:disabled) {
  background: #0f4c35;
}
.button-outline {
  border-color: var(--border-strong);
  background: transparent;
  color: var(--forest);
}
.button-outline:hover:not(:disabled) {
  border-color: var(--green);
  background: var(--mint-soft);
}
.button:disabled {
  cursor: wait;
  opacity: 1;
}
.button-primary:disabled {
  background: #426456;
  color: white;
}
.button-small {
  min-height: 38px;
  padding: 0 14px;
  font-size: 13px;
}
.text-link,
.text-button {
  border: 0;
  padding: 0;
  background: transparent;
  color: #12643c;
  text-decoration: none;
  font-weight: 620;
  cursor: pointer;
}
.text-button:disabled {
  color: var(--muted);
  cursor: not-allowed;
}
.inline-arrow {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.demo-card {
  margin-top: 48px;
  background: rgba(255, 255, 255, 0.91);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.demo-heading {
  min-height: 118px;
  padding: 28px 30px 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}
.demo-heading h2 {
  margin: 0 0 2px;
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: -0.025em;
}
.demo-heading p {
  margin: 4px 0 0;
  color: var(--muted);
}
.landing .hero .demo-heading p,
.landing .hero .step-content p,
.landing .hero .demo-result p,
.landing .hero .receipt-note {
  max-width: none !important;
  margin-right: 0 !important;
  margin-left: 0 !important;
  color: var(--muted) !important;
  font-size: 14px !important;
  line-height: 1.5 !important;
}
.landing .hero .demo-heading p {
  margin-top: 4px !important;
}
.landing .hero .demo-result p {
  margin: 0 !important;
  color: #334b40 !important;
}
.landing .hero .receipt-note {
  margin-top: 16px !important;
  font-size: 11px !important;
  line-height: 1.55 !important;
}
.engine-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
  margin-top: 6px;
}
.engine-state span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #a7b4ab;
}
.engine-state.ready span {
  background: var(--green-bright);
}
.engine-state.error span {
  background: var(--danger);
}

.demo-step {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 30px;
  border-top: 1px solid var(--border);
}
.step-number {
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--forest);
  font-family: "JetBrains Mono", monospace;
  font-weight: 640;
}
.step-content h3 {
  margin: 1px 0 3px;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.step-content p {
  margin: 0;
  color: var(--muted);
}
.policy-content,
.evidence-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  cursor: pointer;
}
.switch-label {
  color: #08733d;
  font-weight: 650;
}
.switch input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}
.switch-track {
  width: 55px;
  height: 30px;
  padding: 3px;
  border-radius: 999px;
  background: #66786f;
  transition: background-color 160ms ease;
}
.switch-track span {
  display: block;
  width: 24px;
  height: 24px;
  margin-left: 0;
  border-radius: 50%;
  background: white;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.22);
  transition: margin-left 160ms ease;
}
.switch input:checked + .switch-track {
  background: var(--green-bright);
}
.switch input:checked + .switch-track span {
  margin-left: 25px;
}
.switch input:focus-visible + .switch-track {
  outline: 3px solid var(--green);
  outline-offset: 3px;
}

.action-step code,
.sample-output code {
  display: inline-block;
  margin: 3px 0 5px;
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 3px 8px;
  background: #f5f7f3;
  color: #17382c;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
}
.run-button {
  width: 100%;
  margin-top: 16px;
  min-height: 46px;
  justify-content: space-between;
}

.demo-result {
  margin: 0 18px 18px;
  padding: 20px;
  border: 1px solid #b8d1bc;
  border-radius: 9px;
  background: var(--mint-soft);
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
}
.demo-result[hidden],
.sample-output[hidden],
.receipt-panel[hidden] {
  display: none;
}
.result-icon {
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--green);
  border-radius: 50%;
  position: relative;
}
.result-icon::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--green);
  font-size: 19px;
  font-weight: 650;
}
.demo-result h3 {
  margin: 0 0 2px;
  color: #0f6839;
  font-size: 17px;
}
.demo-result p {
  margin: 0;
  color: #334b40;
  font-size: 14px;
}
.demo-result.blocked {
  background: var(--danger-bg);
  border-color: #e5bbb2;
}
.demo-result.blocked .result-icon {
  border-color: var(--danger);
}
.demo-result.blocked .result-icon::after {
  content: "×";
  color: var(--danger);
}
.demo-result.blocked h3 {
  color: var(--danger);
}
.demo-result.error {
  background: #f4f0e5;
  border-color: #d7cba9;
}
.demo-result.error .result-icon {
  border-color: #856b2a;
}
.demo-result.error .result-icon::after {
  content: "!";
  color: #856b2a;
}
.demo-result.error h3 {
  color: #6f571b;
}
.previous-policy {
  margin-top: 9px !important;
  font-style: italic;
}
.retry-button {
  margin-top: 12px;
}

.sample-output {
  margin: -4px 18px 18px;
  border: 1px solid var(--border);
  border-radius: 9px;
  overflow: hidden;
  background: #fbfcfa;
}
.sample-output-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}
.sample-output-heading code {
  margin: 0;
}
.sample-output pre {
  margin: 0;
  padding: 13px 14px 15px;
  overflow-x: auto;
  color: #243a30;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  white-space: pre-wrap;
}

.receipt-panel {
  border-top: 1px solid var(--border);
  padding: 26px 30px 28px;
  background: #f4f7f2;
}
.receipt-heading {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}
.section-kicker {
  margin: 0 0 3px;
  color: var(--green);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.receipt-heading h3 {
  margin: 0;
  font-size: 20px;
}
.verify-badge {
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
}
.verify-badge.valid {
  border-color: #98c6a3;
  background: #e7f3e8;
  color: #116a39;
}
.verify-badge.invalid {
  border-color: #ddb1a8;
  background: #f8e8e5;
  color: var(--danger);
}
.receipt-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 20px 0;
  border: 1px solid var(--border);
  background: var(--border);
}
.receipt-facts div {
  min-width: 0;
  padding: 10px 12px;
  background: white;
}
.receipt-facts dt {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.receipt-facts dd {
  overflow: hidden;
  margin: 3px 0 0;
  color: var(--ink);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.json-disclosure {
  border: 1px solid var(--border);
  border-radius: 7px;
  background: white;
}
.json-disclosure summary {
  display: flex;
  justify-content: space-between;
  padding: 11px 13px;
  cursor: pointer;
  color: var(--forest);
  font-size: 13px;
  font-weight: 650;
  list-style: none;
}
.json-disclosure summary::-webkit-details-marker {
  display: none;
}
.json-disclosure[open] summary {
  border-bottom: 1px solid var(--border);
}
.json-disclosure[open] summary span {
  transform: rotate(45deg);
}
#receipt-json {
  max-height: 285px;
  margin: 0;
  padding: 14px;
  overflow: auto;
  color: #284438;
  font-family: "JetBrains Mono", monospace;
  font-size: 10.5px;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.receipt-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-top: 14px;
}
.utility-action {
  margin-left: 6px;
  font-size: 12px;
}
.receipt-note {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.principles {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.principles article {
  position: relative;
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 154px;
  padding: 30px 42px;
}
.principles article:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  width: 1px;
  height: 58px;
  background: var(--border);
}
.principles article > span {
  min-width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--green);
  font-family: "JetBrains Mono", monospace;
  font-weight: 650;
}
.principles h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.025em;
}
.principles p {
  margin: 4px 0 0;
  color: var(--muted);
}

.proof {
  padding: 116px 0 26px;
}
.proof-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  column-gap: clamp(48px, 8vw, 130px);
  align-items: end;
}
.proof-heading .section-kicker {
  grid-column: 1 / -1;
  margin-bottom: 14px;
}
.proof-heading h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(46px, 5vw, 70px);
  line-height: 1.04;
  letter-spacing: -0.045em;
}
.proof-heading > p:last-child {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 17px;
}
.proof-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 58px 0 0;
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
}
.proof-metrics > div {
  min-width: 0;
  padding: 27px 22px 29px;
}
.proof-metrics > div:not(:last-child) {
  border-right: 1px solid var(--border);
}
.proof-metrics dt {
  color: var(--forest);
  font-size: clamp(22px, 2.3vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.035em;
}
.proof-metrics dd {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.proof-scope {
  max-width: 940px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.assurance-grid,
.proof-boundaries {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 58px;
  border: 1px solid var(--border);
  background: var(--border);
}
.assurance-grid article,
.proof-boundaries article {
  padding: 28px;
  background: var(--white);
}
.assurance-grid span {
  color: var(--green);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.assurance-grid h3,
.proof-boundaries h3 {
  margin: 12px 0 8px;
  font-size: 20px;
  letter-spacing: -0.025em;
}
.assurance-grid p,
.proof-boundaries p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.proof-boundaries .regulatory-timing {
  margin-top: 12px;
}
.native-example {
  margin-top: 28px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--white);
  overflow: hidden;
}
.native-example > summary {
  padding: 20px 24px;
  color: var(--forest);
  cursor: pointer;
  font-size: 17px;
  font-weight: 700;
}
.native-example > p {
  margin: 0;
  padding: 0 24px 20px;
  color: var(--muted);
}
.terminal-code {
  display: block;
  max-height: 540px;
  margin: 0;
  padding: 24px;
  overflow: auto;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--forest);
  color: #edf5ef;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  line-height: 1.65;
  white-space: pre;
}
.native-boundaries {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding: 22px 24px 24px;
}
.native-boundaries p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}
.proof-boundaries {
  margin-top: 28px;
}
.proof-boundaries a,
.ledger-link a {
  color: var(--green);
  overflow-wrap: anywhere;
}
.ledger-link {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.next-move {
  padding: 116px 0 92px;
}
.next-move > h2 {
  margin: 0 0 28px;
  font-size: clamp(46px, 5vw, 70px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}
.pathways {
  border-top: 1px solid var(--border-strong);
}
.pathways a {
  min-height: 112px;
  display: grid;
  grid-template-columns: 100px 250px minmax(300px, 1fr) auto;
  align-items: center;
  gap: 34px;
  border-bottom: 1px solid var(--border-strong);
  text-decoration: none;
  transition:
    background-color 150ms ease,
    padding 150ms ease;
}
.pathways a:hover {
  background: var(--mint-soft);
  padding-inline: 16px;
}
.path-number {
  color: var(--green);
  font-family: "JetBrains Mono", monospace;
  font-size: 22px;
}
.pathways strong {
  font-size: 30px;
  letter-spacing: -0.03em;
}
.pathways a > span:nth-child(3) {
  color: #294337;
}
.pathways em {
  color: #12643c;
  font-style: normal;
  font-weight: 620;
}

.closing-band {
  width: 100%;
  max-width: none;
  padding: 74px max(48px, calc((100vw - var(--content)) / 2));
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 100px;
  align-items: center;
  background: var(--mint);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.closing-band h2 {
  margin: 0;
  font-size: clamp(48px, 5vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}
.closing-band p {
  max-width: 520px;
  margin: 0;
  font-size: 21px;
  color: #263f34;
}
.closing-actions {
  display: flex;
  gap: 28px;
  align-items: center;
  margin-top: 28px;
}

footer {
  padding: 44px 0 58px;
}
.footer-main nav {
  justify-content: flex-end;
  flex-wrap: wrap;
}
.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border-strong);
}
.footer-brand {
  font-size: 20px;
}
.footer-brand img {
  width: 30px;
  height: 30px;
}
.footer-meta {
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding-top: 19px;
  color: var(--muted);
  font-size: 12px;
}
.footer-meta p {
  margin: 0;
}
.noscript {
  position: fixed;
  inset: auto 20px 20px;
  z-index: 10;
  padding: 12px 16px;
  border: 1px solid var(--danger);
  background: white;
}
.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;
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 52px;
    padding-top: 70px;
  }
  .hero-copy {
    max-width: 760px;
    padding-bottom: 0;
    margin-top: 0;
  }
  .hero h1 {
    max-width: none;
  }
  .demo-card {
    max-width: 760px;
    margin-top: 0;
  }
  .principles article {
    padding-inline: 22px;
  }
  .proof-heading {
    grid-template-columns: 1fr;
  }
  .proof-heading > p:last-child {
    max-width: 720px;
    margin-top: 22px;
  }
  .proof-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .proof-metrics > div:nth-child(3) {
    border-right: 0;
  }
  .proof-metrics > div:nth-child(n + 4) {
    border-top: 1px solid var(--border);
  }
  .pathways a {
    grid-template-columns: 70px 190px minmax(220px, 1fr) auto;
    gap: 20px;
  }
}

@media (max-width: 760px) {
  .site-header,
  .hero,
  .principles,
  .proof,
  .next-move,
  footer {
    width: min(100% - 36px, var(--content));
  }
  .site-header {
    min-height: 70px;
  }
  .brand {
    font-size: 18px;
  }
  .brand img {
    width: 30px;
    height: 30px;
  }
  .site-header nav {
    gap: 14px;
  }
  .site-header nav a:not(.nav-cta) {
    display: none;
  }
  .site-header .nav-cta {
    padding: 7px 11px;
    font-size: 13px;
  }
  .hero {
    min-height: 0;
    padding: 52px 0 42px;
    gap: 40px;
  }
  .hero h1 {
    font-size: clamp(44px, 13.2vw, 58px);
    line-height: 1.02;
  }
  .hero-deck {
    margin-top: 24px;
    font-size: 18px;
  }
  .hero-actions {
    margin-top: 28px;
    gap: 22px;
    flex-wrap: wrap;
  }
  .hero-actions .button {
    width: 100%;
  }
  .hero-note {
    margin-top: 22px;
  }
  .demo-heading {
    min-height: 0;
    padding: 22px 18px 20px;
    flex-direction: column;
  }
  .demo-heading h2 {
    font-size: 20px;
  }
  .demo-heading p {
    font-size: 14px;
  }
  .demo-step {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
    padding: 19px 17px;
  }
  .step-number {
    width: 34px;
    height: 34px;
    font-size: 13px;
  }
  .policy-content,
  .evidence-content {
    align-items: flex-start;
  }
  .switch {
    gap: 7px;
  }
  .switch-track {
    width: 48px;
    height: 27px;
  }
  .switch-track span {
    width: 21px;
    height: 21px;
  }
  .switch input:checked + .switch-track span {
    margin-left: 21px;
  }
  .switch-label {
    display: none;
  }
  .demo-result {
    margin: 0 12px 12px;
    padding: 16px;
  }
  .sample-output {
    margin: 0 12px 12px;
  }
  .receipt-panel {
    padding: 22px 18px;
  }
  .receipt-facts {
    grid-template-columns: 1fr;
  }
  .receipt-actions .button {
    flex: 1 1 42%;
  }
  .utility-action {
    margin: 5px 6px 0 0;
  }
  .principles {
    grid-template-columns: 1fr;
  }
  .principles article {
    min-height: 112px;
    padding: 22px 4px;
  }
  .principles article:not(:last-child)::after {
    width: 100%;
    height: 1px;
    right: auto;
    bottom: 0;
  }
  .next-move {
    padding: 78px 0 62px;
  }
  .proof {
    padding: 78px 0 16px;
  }
  .proof-heading h2 {
    font-size: 44px;
  }
  .proof-metrics,
  .assurance-grid,
  .proof-boundaries,
  .native-boundaries {
    grid-template-columns: 1fr;
  }
  .proof-metrics > div {
    border-top: 1px solid var(--border);
    border-right: 0 !important;
  }
  .proof-metrics > div:first-child {
    border-top: 0;
  }
  .assurance-grid article,
  .proof-boundaries article {
    padding: 22px;
  }
  .terminal-code {
    padding: 18px;
    font-size: 10.5px;
  }
  .next-move > h2 {
    font-size: 44px;
  }
  .pathways a {
    min-height: 148px;
    grid-template-columns: 44px 1fr;
    gap: 8px 12px;
    padding: 20px 0;
  }
  .pathways strong {
    font-size: 25px;
  }
  .pathways a > span:nth-child(3),
  .pathways em {
    grid-column: 2;
  }
  .closing-band {
    padding: 60px 18px;
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .closing-band h2 {
    font-size: 46px;
  }
  .closing-band p {
    font-size: 18px;
  }
  .closing-actions {
    align-items: stretch;
    flex-direction: column;
  }
  .footer-main {
    align-items: flex-start;
    gap: 28px;
  }
  footer nav {
    align-items: flex-end;
    flex-direction: column;
    gap: 10px;
    font-size: 13px;
  }
  .footer-meta {
    flex-direction: column;
    gap: 4px;
  }
}

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