/* Hallmark · genre: atmospheric · macrostructure: Split Studio · theme: Midnight · anchor hue: warm orange
 * pre-emit critique: P5 H5 E5 S5 R5 V4
 * system: Sicenz Brand System v0 · type: Onest / Be Vietnam Pro · mark: reusable local asset
 * H2 Split Diptych knobs: ratio=7/5, proof=right, divider=negative-space
 * enrichment: E5 Custom Gateway Signature · craft: Tier-B inline SVG/CSS
 * motion: staged-signal · evidence-crossfade · result-reveal
 * conversion: one-click-fixture · shopper-or-machine result paths
 * localization: L1 ten languages · explicit URL state · no persistence
 * position: merchant-edge compatibility · agent-side preflight checkpoint
 * refinement delta: Passage Guide A · attentive URL input · AIG 11 truth-aligned M0/M3 copy · 320px conversion-fold tune
 * nav: N5 Floating pill · footer: Ft2 Inline-rule single line
 * previous: Marquee Hero / Lumen / N9 / Ft1 · studied: no
 * contrast: pass (40–41) · nav/footer/hero: pass (42–45)
 * honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49)
 * icons: pass (30) · mobile: pass (34, 49, 50–57)
 * slop: pass (1–58)
 */

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

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink-2);
  font-family: var(--font-body);
  font-synthesis: none;
  font-size: var(--text-base);
  font-variant-numeric: tabular-nums;
  line-height: 1.6;
}

button,
a {
  font: inherit;
}

button {
  color: inherit;
}

a {
  color: inherit;
  text-decoration-thickness: var(--rule-hair);
  text-underline-offset: 0.25em;
}

h1,
h2,
h3,
p,
blockquote,
figure,
dl,
dd {
  margin-block-start: 0;
}

h1,
h2,
h3 {
  min-width: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-style: normal;
  overflow-wrap: anywhere;
}

h2 {
  font-size: clamp(1.85rem, 8.7vw, 2.6rem);
  font-weight: 540;
  letter-spacing: -0.045em;
  line-height: 1;
}

h3 {
  font-weight: 560;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

:focus-visible {
  border-radius: var(--radius-sm);
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-sticky);
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  transform: translateY(-160%);
  transition: transform var(--dur-short) var(--ease-out);
}

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

.nav-pill {
  position: absolute;
  inset-block-start: var(--space-sm);
  inset-inline: 0;
  z-index: var(--z-sticky);
  display: flex;
  width: calc(100% - (var(--page-gutter) * 2));
  max-width: 68rem;
  min-height: 56px;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-pill);
  background: var(--color-paper-2);
  box-shadow: var(--shadow-floating);
  color: var(--color-ink);
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 650;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.brand__mark {
  width: 2rem;
  height: 1.4rem;
  flex: 0 0 auto;
  object-fit: contain;
}

.nav-pill__links {
  display: none;
  align-items: center;
  gap: var(--space-xs);
}

.nav-pill__links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding-inline: var(--space-md);
  border-radius: var(--radius-pill);
  color: var(--color-muted);
  font-size: var(--text-sm);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}

.nav-pill__status {
  display: none;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.locale-switch {
  color-scheme: dark;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: var(--space-2xs);
  padding-inline: var(--space-sm) var(--space-xs);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-pill);
  background: var(--color-paper);
  color: var(--color-muted);
  transition: border-color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}

.locale-switch > span {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
}

.locale-switch select {
  color-scheme: dark;
  width: auto;
  max-width: 8.5rem;
  min-height: 44px;
  padding: 0 var(--space-md) 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
}

.locale-switch option {
  background: var(--color-paper-2);
  color: var(--color-ink);
}

.locale-switch option:checked {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.locale-switch:focus-within {
  border-color: var(--color-accent);
}

.locale-switch select:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.locale-switch select:active {
  color: var(--color-accent);
}

.locale-switch:has(select:disabled) {
  background: var(--color-paper-3);
}

.locale-switch select:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.product-facts i {
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--color-positive);
}

.gateway-hero {
  position: relative;
  display: grid;
  width: min(100%, var(--page-max));
  min-height: 0;
  margin-inline: auto;
  align-items: center;
  gap: var(--space-2xl);
  padding: 5rem var(--page-gutter) 6.5rem;
  background:
    radial-gradient(circle at 82% 26%, var(--color-accent-faint), transparent 35%),
    var(--color-paper);
  color: var(--color-ink-2);
}

.gateway-hero__copy {
  min-width: 0;
}

.hero-context {
  max-width: max-content;
  margin-block-end: var(--space-lg);
  padding: var(--space-xs) var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-pill);
  color: var(--color-muted);
  font-size: var(--text-base);
}

.gateway-hero h1 {
  max-width: 11ch;
  margin-block-end: var(--space-lg);
  font-size: var(--text-display);
  font-weight: 620;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.gateway-hero__lead {
  max-width: 58ch;
  margin-block-end: var(--space-xl);
  color: var(--color-ink-2);
  font-size: var(--text-md);
  line-height: 1.55;
}

.scan-dock {
  max-width: 46rem;
  padding: var(--space-md);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-md);
  background: var(--color-paper-2);
  box-shadow: var(--shadow-floating);
}

.scan-dock__heading {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-block-end: var(--space-xs);
}

.scan-dock__heading > label {
  display: block;
  min-width: 0;
  color: var(--color-ink);
  font-family: var(--font-label);
  font-size: var(--text-base);
  font-weight: 680;
}

.scan-guide {
  display: block;
  width: clamp(7.5rem, 26vw, 10rem);
  flex: 0 0 auto;
  color: var(--color-ink-2);
}

.scan-guide svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.scan-guide__route,
.scan-guide__boundary,
.scan-guide__checkpoint,
.scan-guide__proof {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.scan-guide__route {
  stroke-width: 1.5;
}

.scan-guide__boundary {
  stroke-width: 2.5;
}

.scan-guide__checkpoint {
  stroke: var(--color-rule-2);
  stroke-width: 1;
  opacity: 0.52;
}

.scan-guide__proof {
  stroke: var(--color-positive);
  stroke-width: 2;
  opacity: 0;
  transform: scale(0.78);
}

.scan-guide__node,
.scan-guide__signal {
  fill: var(--color-accent);
}

.scan-guide__node,
.scan-guide__signal,
.scan-guide__proof,
.scan-guide__checkpoint,
.scan-guide__route--out {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform var(--dur-state) var(--ease-out), opacity var(--dur-state) var(--ease-out);
}

.scan-guide__signal {
  opacity: 0.58;
}

.scan-dock:focus-within .scan-guide__node {
  transform: translateX(-4px);
}

.scan-dock:focus-within .scan-guide__signal {
  opacity: 0.84;
  transform: translateX(14px);
}

.scan-dock[data-scan-state="scanning"] .scan-guide__node {
  transform: none;
}

.scan-dock[data-scan-state="scanning"][data-scan-stage="discover"] .scan-guide__signal {
  opacity: 1;
  transform: translate(38px, -10px);
}

.scan-dock[data-scan-state="scanning"][data-scan-stage="catalog"] .scan-guide__signal {
  opacity: 1;
  transform: translate(76px, -24px);
}

.scan-dock[data-scan-state="scanning"][data-scan-stage="offers"] .scan-guide__signal,
.scan-dock[data-scan-state="scanning"][data-scan-stage="capabilities"] .scan-guide__signal {
  opacity: 1;
  transform: translate(112px, -24px);
}

.scan-dock[data-scan-state="scanning"][data-scan-stage="capabilities"] .scan-guide__checkpoint {
  animation: scan-guide-checkpoint 1.1s var(--ease-in-out) infinite;
}

.scan-dock[data-scan-state="error"] .scan-guide__node {
  fill: var(--color-error);
}

.scan-dock[data-scan-state="error"] .scan-guide__signal {
  opacity: 0.82;
  transform: translate(72px, -24px);
}

.scan-dock[data-scan-state="error"] .scan-guide__route--out,
.scan-dock[data-scan-state="unsupported"] .scan-guide__route--out {
  opacity: 0.14;
}

.scan-dock[data-scan-state="unsupported"] .scan-guide__signal {
  opacity: 0.82;
  transform: translate(112px, -24px);
}

.scan-dock[data-scan-state="success"] .scan-guide__route--out {
  stroke: var(--color-positive);
}

.scan-dock[data-scan-state="success"] .scan-guide__proof {
  opacity: 1;
  transform: scale(1);
}

.scan-dock[data-scan-state="success"] .scan-guide__signal {
  opacity: 1;
  transform: translate(224px, 0);
}

@keyframes scan-guide-checkpoint {
  0%, 100% {
    opacity: 0.42;
    transform: scale(0.9);
  }
  50% {
    opacity: 0.92;
    transform: scale(1);
  }
}

.scan-dock__row {
  display: grid;
  gap: var(--space-xs);
}

.scan-dock input {
  width: 100%;
  min-width: 0;
  min-height: var(--control-height-touch);
  padding: 0 var(--space-md);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-pill);
  background: var(--color-paper);
  color: var(--color-ink);
  font: 500 var(--text-base)/1 var(--font-body);
  outline: 2px solid transparent;
  outline-offset: var(--focus-offset);
  transition: border-color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}

.scan-dock input::placeholder {
  color: var(--color-muted);
  opacity: 0.75;
}

.scan-dock input:focus-visible {
  border-color: var(--color-accent);
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.scan-dock input:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.scan-dock[data-scan-state="error"] input {
  border-color: var(--color-error);
  background: var(--color-error-soft);
}

.scan-dock[data-scan-state="unsupported"] input {
  border-color: var(--color-accent);
  background: var(--color-accent-faint);
}

.scan-dock[data-scan-state="success"] input {
  border-color: var(--color-positive);
  background: var(--color-positive-soft);
}

.scan-dock__meta {
  display: flex;
  min-height: 1.75rem;
  margin-block-start: var(--space-xs);
  align-items: flex-start;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-sm);
}

.scan-dock__message {
  max-width: 46ch;
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-base);
  line-height: 1.5;
}

.scan-dock[data-scan-state="error"] .scan-dock__message {
  color: var(--color-error);
}

.scan-dock[data-scan-state="unsupported"] .scan-dock__message {
  color: var(--color-accent);
}

.scan-dock[data-scan-state="success"] .scan-dock__message {
  color: var(--color-positive);
}

.scan-dock__sample {
  flex: 0 0 auto;
  display: inline-flex;
  min-height: 44px;
  padding-inline: var(--space-sm);
  border: 0;
  border-bottom: var(--rule-hair) solid var(--color-rule-2);
  background: transparent;
  color: var(--color-ink-2);
  align-items: center;
  font: 620 var(--text-base)/1 var(--font-body);
  white-space: nowrap;
  cursor: pointer;
}

.scan-dock__sample:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.scan-dock__sample:active {
  transform: translateY(1px);
}

.scan-dock__sample:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.scan-dock__submit {
  min-height: var(--control-height-touch);
  justify-content: center;
}

.scan-dock[data-scan-state="scanning"] .scan-dock__arrow {
  display: none;
}

.scan-progress,
.scan-receipt {
  max-width: 46rem;
  margin-block-start: var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-md);
  background: var(--color-paper-2);
}

.scan-progress[hidden],
.scan-receipt[hidden] {
  display: none;
}

.scan-progress {
  padding: var(--space-sm) var(--space-md);
}

.scan-progress__status {
  margin: 0 0 var(--space-sm);
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 650;
}

.scan-progress ol {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xs) var(--space-sm);
  list-style: none;
}

.scan-progress li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.scan-progress li i {
  width: 0.5rem;
  height: 0.5rem;
  flex: 0 0 auto;
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: 50%;
  background: transparent;
}

.scan-progress li[data-stage-state="active"] {
  color: var(--color-ink);
}

.scan-progress li[data-stage-state="active"] i {
  border-color: var(--color-accent);
  background: var(--color-accent);
  box-shadow: 0 0 0 var(--space-2xs) var(--color-accent-soft);
}

.scan-progress li[data-stage-state="complete"] {
  color: var(--color-positive);
}

.scan-progress li[data-stage-state="complete"] i {
  border-color: var(--color-positive);
  background: var(--color-positive);
}

.scan-progress__evidence {
  display: grid;
  min-height: 3.2rem;
  margin-block-start: var(--space-sm);
  padding-block-start: var(--space-sm);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.scan-progress__evidence p {
  display: flex;
  margin: 0;
  align-items: flex-start;
  flex-direction: column;
  grid-area: 1 / 1;
  opacity: 0;
  transform: translateY(var(--space-2xs));
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
}

.scan-progress__evidence b {
  color: var(--color-positive);
  font-size: var(--text-xs);
}

.scan-progress__evidence span {
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 650;
}

.scan-progress__evidence[data-active-evidence="discover"] [data-evidence-stage="discover"],
.scan-progress__evidence[data-active-evidence="catalog"] [data-evidence-stage="catalog"],
.scan-progress__evidence[data-active-evidence="offers"] [data-evidence-stage="offers"],
.scan-progress__evidence[data-active-evidence="capabilities"] [data-evidence-stage="capabilities"] {
  opacity: 1;
  transform: translateY(0);
}

.scan-receipt {
  padding: var(--space-md);
  border-color: var(--color-positive);
  background: var(--color-positive-soft);
  animation: receipt-in var(--dur-state) var(--ease-out) both;
}

.scan-receipt__heading {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
}

.scan-receipt__heading p {
  margin: 0 0 var(--space-2xs);
  color: var(--color-positive);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.scan-receipt__heading h2 {
  max-width: 31ch;
  margin: 0;
  font-size: var(--text-md);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.scan-receipt__status {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-positive);
  font-size: var(--text-base);
}

.scan-receipt__mark {
  width: 2.25rem;
  height: 1.5rem;
  flex: 0 0 auto;
  object-fit: contain;
}

.readiness-map {
  display: grid;
  margin: var(--space-md) 0;
  border-block: var(--rule-hair) solid var(--color-rule-2);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.readiness-map div {
  min-width: 0;
  padding: var(--space-sm) 0;
}

.readiness-map dt,
.readiness-map dd {
  margin: 0;
}

.readiness-map dt {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.readiness-map dd {
  margin-block-start: var(--space-2xs);
  color: var(--color-ink);
  font-size: var(--text-base);
  font-weight: 650;
}

.scan-receipt__detail {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.scan-receipt__prompt {
  max-width: 58ch;
  margin: 0 0 var(--space-sm);
  color: var(--color-ink-2);
  font-size: var(--text-base);
  line-height: 1.5;
}

.scan-receipt__actions {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: var(--space-xs) var(--space-md);
}

.scan-receipt__next {
  display: inline-flex;
  min-height: 44px;
  padding: var(--space-xs) var(--space-md);
  border: var(--rule-hair) solid var(--color-ink);
  border-radius: var(--radius-pill);
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  background: var(--color-ink);
  color: var(--color-paper);
  font: 700 var(--text-xs)/1 var(--font-body);
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.scan-receipt__next:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.scan-receipt__next:active {
  transform: translateY(1px);
}

.scan-receipt__next:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.primary-action,
.view-switch__button,
.workflow__controls button,
.secondary-control {
  min-height: 44px;
  cursor: pointer;
  white-space: nowrap;
}

.primary-action {
  display: inline-flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-sm) var(--space-lg);
  border: var(--rule-hair) solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: var(--text-sm);
  font-weight: 700;
  transition: background-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.primary-action:focus-visible {
  outline-color: var(--color-paper);
  box-shadow: 0 0 0 5px var(--color-focus);
}

.primary-action:active,
.view-switch__button:active,
.workflow__controls button:active,
.text-link:active {
  transform: translateY(1px);
}

.primary-action:disabled,
.view-switch__button:disabled,
.workflow__controls button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.gateway-signature {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--color-paper-2);
  box-shadow: var(--shadow-raised);
}

.gateway-signature::before {
  position: absolute;
  inset: var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: calc(var(--radius-lg) - var(--space-xs));
  content: "";
  pointer-events: none;
}

.gateway-signature svg {
  display: block;
  width: 100%;
  height: auto;
}

.gateway-signature figcaption {
  margin: 0;
  padding: 0 var(--space-sm) var(--space-sm);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.signature__route,
.signature__verified,
.signature__return {
  fill: none;
  stroke: var(--color-rule-2);
  stroke-linecap: round;
  stroke-width: 2;
}

.signature__verified {
  opacity: 0;
  stroke: var(--color-positive);
  stroke-width: 3;
  transition: opacity var(--dur-state) var(--ease-out);
}

.signature__return {
  stroke-dasharray: 3 9;
}

.signature__signal {
  fill: var(--color-accent);
  opacity: 0;
  transform: translate(116px, 220px);
  transition: transform 520ms var(--ease-in-out), opacity var(--dur-short) var(--ease-out);
}

.signature__node,
.signature__gateway {
  transition: opacity var(--dur-short) var(--ease-out);
}

.gateway-signature[data-scan-state="scanning"] .signature__node,
.gateway-signature[data-scan-state="scanning"] .signature__gateway {
  opacity: 0.42;
}

.gateway-signature[data-scan-stage="discover"] .signature__node--source,
.gateway-signature[data-scan-stage="catalog"] .signature__gateway,
.gateway-signature[data-scan-stage="offers"] .signature__gateway,
.gateway-signature[data-scan-stage="capabilities"] .signature__node--agent,
.gateway-signature[data-scan-state="success"] .signature__node,
.gateway-signature[data-scan-state="success"] .signature__gateway {
  opacity: 1;
}

.gateway-signature[data-scan-state="success"] .signature__verified {
  opacity: 1;
}

.gateway-signature[data-scan-stage="discover"] .signature__signal {
  opacity: 1;
  transform: translate(116px, 220px);
}

.gateway-signature[data-scan-stage="catalog"] .signature__signal {
  opacity: 1;
  transform: translate(278px, 148px);
}

.gateway-signature[data-scan-stage="offers"] .signature__signal {
  opacity: 1;
  transform: translate(432px, 148px);
}

.gateway-signature[data-scan-stage="capabilities"] .signature__signal,
.gateway-signature[data-scan-stage="complete"] .signature__signal {
  opacity: 1;
  transform: translate(604px, 220px);
}

.signature__node rect {
  fill: var(--color-paper-3);
  stroke: var(--color-rule-2);
  stroke-width: 1;
}

.signature__node--agent rect {
  fill: var(--color-accent-faint);
  stroke: var(--color-accent);
}

.signature__gateway path {
  fill: none;
  stroke: var(--color-ink);
  stroke-width: 3;
}

.signature__gateway circle {
  fill: var(--color-accent);
}

.signature__small,
.signature__sub,
.signature__return-label {
  fill: var(--color-muted);
  font-family: var(--font-body);
}

.signature__small {
  font-size: 15px;
  letter-spacing: 0.08em;
}

.signature__name {
  fill: var(--color-ink);
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 650;
}

.signature__sub {
  font-size: 15px;
}

.signature__node .signature__sub {
  display: none;
}

.signature__return-label {
  font-family: var(--font-body);
  font-size: 16px;
}

.promise-rail {
  display: grid;
  width: min(100%, var(--page-max));
  margin-inline: auto;
  padding: var(--space-lg) var(--page-gutter);
  background: var(--color-paper-3);
  color: var(--color-ink);
}

.promise-rail p {
  display: flex;
  margin: 0;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
}

.promise-rail span {
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: var(--text-xs);
}

.agent-checkpoint,
.proof,
.journey,
.boundary,
.roadmap-note,
.inline-footer {
  width: min(100%, var(--page-max));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.agent-checkpoint {
  padding-block: var(--space-3xl);
  background: var(--color-paper);
  color: var(--color-ink-2);
}

.agent-checkpoint__intro {
  display: grid;
  gap: var(--space-lg);
  margin-block-end: var(--space-2xl);
}

.agent-checkpoint__intro h2,
.agent-checkpoint__intro p {
  margin: 0;
}

.agent-checkpoint__intro h2 {
  max-width: 20ch;
}

.agent-checkpoint__intro p {
  max-width: 62ch;
  color: var(--color-muted);
  font-size: var(--text-md);
}

.agent-checkpoint__flow {
  display: grid;
  gap: var(--space-md);
  align-items: stretch;
}

.agent-checkpoint__flow blockquote,
.agent-checkpoint__flow ol,
.agent-checkpoint__verdict {
  min-width: 0;
  margin: 0;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
}

.agent-checkpoint__flow blockquote {
  background: var(--color-paper-3);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 560;
  line-height: 1.35;
}

.agent-checkpoint__flow blockquote span,
.agent-checkpoint__verdict > span {
  display: block;
  margin-block-end: var(--space-sm);
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.agent-checkpoint__flow ol {
  display: grid;
  gap: 0;
  border: var(--rule-hair) solid var(--color-rule);
  list-style: none;
}

.agent-checkpoint__flow li {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  align-items: start;
  gap: var(--space-sm);
  padding-block: var(--space-sm);
}

.agent-checkpoint__flow li + li {
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.agent-checkpoint__flow li > span {
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 700;
}

.agent-checkpoint__flow li div {
  display: grid;
  gap: var(--space-2xs);
}

.agent-checkpoint__flow li b {
  color: var(--color-ink);
  font-size: var(--text-sm);
}

.agent-checkpoint__flow li small {
  color: var(--color-muted);
  font-family: var(--font-label);
  font-size: var(--text-xs);
  overflow-wrap: anywhere;
}

.agent-checkpoint__verdict {
  display: flex;
  justify-content: center;
  flex-direction: column;
  border: var(--rule-hair) solid var(--color-positive);
  background: var(--color-positive-soft);
}

.agent-checkpoint__verdict > span {
  color: var(--color-positive);
}

.agent-checkpoint__verdict strong {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.1;
}

.agent-checkpoint__verdict p {
  max-width: 46ch;
  margin: var(--space-sm) 0 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.agent-checkpoint__boundary {
  max-width: none;
  margin: var(--space-lg) 0 0;
  padding-block-start: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule-2);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.agent-checkpoint__boundary b {
  color: var(--color-ink);
}

.proof {
  padding-block: var(--space-3xl) var(--space-4xl);
  background: var(--color-paper-2);
  color: var(--color-ink-2);
}

.split-intro {
  display: grid;
  gap: var(--space-lg);
  margin-block-end: var(--space-2xl);
}

.split-intro h2,
.split-intro p {
  margin-block-end: 0;
}

.split-intro p {
  max-width: 50ch;
  color: var(--color-muted);
  font-size: var(--text-md);
}

.query-pair {
  display: grid;
  gap: var(--space-md);
  margin-block-end: var(--space-xl);
}

.query-pair blockquote,
.query-pair > p {
  min-width: 0;
  margin-block-end: 0;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
}

.query-pair blockquote {
  margin-inline: 0;
  background: var(--color-paper-3);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 520;
  line-height: 1.35;
}

.query-pair > p {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  background: var(--color-paper-3);
  color: var(--color-ink);
}

.query-pair span {
  display: block;
  margin-block-end: var(--space-sm);
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.query-pair strong {
  margin-block-end: var(--space-2xs);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.2;
}

.view-switch {
  display: flex;
  max-width: max-content;
  margin-block-end: var(--space-md);
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.view-switch__button {
  padding: var(--space-xs) var(--space-md);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-muted);
  font-size: var(--text-sm);
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.view-switch__button[aria-selected="true"] {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

.proof-stage {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-paper);
  box-shadow: var(--shadow-raised);
}

.proof-stage > article {
  animation: panel-in var(--dur-state) var(--ease-out);
}

.storefront-fragment {
  display: grid;
  min-height: 33rem;
}

.product-portrait {
  position: relative;
  display: grid;
  min-height: 22rem;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 43%, var(--color-accent-soft), transparent 42%),
    var(--color-paper-3);
}

.product-portrait > span {
  position: absolute;
  inset-block-end: var(--space-md);
  inset-inline-start: var(--space-md);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.tote {
  position: relative;
  width: 12rem;
  height: 14rem;
}

.tote__body {
  position: absolute;
  inset: 3.5rem 0 0;
  border-radius: var(--radius-xs) var(--radius-xs) var(--radius-lg) var(--radius-lg);
  background: var(--color-canvas);
  clip-path: polygon(7% 0, 93% 0, 100% 100%, 0 100%);
}

.tote__handle {
  position: absolute;
  inset-block-start: 0;
  width: 4.4rem;
  height: 6rem;
  border: 0.65rem solid var(--color-canvas);
  border-block-end: 0;
  border-radius: var(--radius-pill) var(--radius-pill) 0 0;
}

.tote__handle--left {
  inset-inline-start: 1.8rem;
}

.tote__handle--right {
  inset-inline-end: 1.8rem;
}

.tote__mark {
  position: absolute;
  inset-block-start: 7.2rem;
  inset-inline-start: 50%;
  width: 3rem;
  height: 2rem;
  transform: translateX(-50%);
  object-fit: contain;
}

.product-copy {
  display: flex;
  min-width: 0;
  justify-content: center;
  flex-direction: column;
  padding: var(--space-xl);
}

.micro-label,
.step-label {
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-copy h3,
.machine-surface h3 {
  margin-block-end: var(--space-sm);
  font-size: clamp(1.8rem, 4vw, 3.25rem);
}

.product-description {
  color: var(--color-muted);
}

.product-facts {
  display: grid;
  gap: var(--space-sm);
  margin-block: var(--space-lg);
}

.product-facts div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
}

.product-facts dt {
  color: var(--color-muted);
}

.product-facts dd {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin: 0;
  color: var(--color-ink);
  font-weight: 650;
}

.secondary-control {
  align-self: flex-start;
  padding: var(--space-sm) var(--space-md);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-pill);
  background: var(--color-paper-3);
  color: var(--color-muted);
  cursor: not-allowed;
  opacity: 0.6;
}

.machine-surface {
  display: grid;
  min-height: 33rem;
}

.machine-surface__summary {
  display: flex;
  justify-content: center;
  flex-direction: column;
  padding: var(--space-xl);
  background: var(--color-accent-faint);
}

.machine-surface__summary > p:last-child {
  max-width: 50ch;
  margin-block-end: 0;
  color: var(--color-muted);
}

.semantic-result {
  display: grid;
  align-content: center;
  margin: 0;
  padding: var(--space-xl);
}

.semantic-result div {
  display: grid;
  gap: var(--space-xs);
  padding-block: var(--space-sm);
}

.semantic-result dt {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.semantic-result dd {
  margin: 0;
  color: var(--color-ink);
  font-weight: 600;
}

.technical-details {
  margin-block-start: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-paper-3);
}

.technical-details summary {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-ink);
  cursor: pointer;
  font-weight: 650;
  list-style: none;
}

.technical-details summary::-webkit-details-marker {
  display: none;
}

.technical-details summary::after {
  color: var(--color-accent);
  content: "+";
  font-family: var(--font-label);
}

.technical-details[open] summary::after {
  content: "−";
}

.technical-details__body {
  padding: 0 var(--space-md) var(--space-lg);
}

.technical-details__body > p {
  max-width: 68ch;
  color: var(--color-muted);
}

.contract-grid {
  display: grid;
  gap: var(--space-xs);
  margin-block: var(--space-lg);
}

.contract-grid div {
  display: grid;
  gap: var(--space-2xs);
  padding-block: var(--space-xs);
}

.contract-grid dt {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.contract-grid dd,
.endpoint-list code {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-label);
  font-size: var(--text-sm);
  overflow-wrap: anywhere;
}

.endpoint-list {
  display: grid;
  gap: var(--space-xs);
}

.endpoint-list code {
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
}

.noscript-proof {
  margin-block-start: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-paper-3);
}

.journey {
  padding-block: var(--space-3xl);
  background: var(--color-paper);
  color: var(--color-ink-2);
}

.journey__heading {
  max-width: 48rem;
  margin-block-end: var(--space-2xl);
}

.journey__heading h2 {
  margin-block-end: var(--space-md);
}

.journey__heading p {
  max-width: 50ch;
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-md);
}

.workflow {
  display: grid;
  gap: var(--space-xl);
}

.workflow__controls {
  display: grid;
  gap: var(--space-xs);
}

.workflow__controls button {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-muted);
  text-align: start;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.workflow__controls button span {
  font-family: var(--font-body);
  font-size: var(--text-xs);
}

.workflow__controls button[aria-pressed="true"] {
  background: var(--color-paper-3);
  color: var(--color-ink);
}

.workflow__controls button[aria-pressed="true"] span {
  color: var(--color-accent);
}

.workflow__readout {
  display: flex;
  min-height: 18rem;
  justify-content: center;
  flex-direction: column;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  background: var(--color-paper-2);
  box-shadow: var(--shadow-raised);
}

.workflow__readout h3 {
  max-width: 20ch;
  margin-block-end: var(--space-md);
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.workflow__readout > p:last-child {
  max-width: 46ch;
  margin: 0;
  color: var(--color-muted);
}

.boundary {
  display: grid;
  gap: var(--space-2xl);
  padding-block: var(--space-3xl);
  background: var(--color-paper-3);
  color: var(--color-ink-2);
}

.roadmap-note > div > p:first-child {
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 650;
}

.boundary__statement h2 {
  margin-block-end: var(--space-lg);
}

.boundary__statement > p:last-child {
  max-width: 48ch;
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-md);
}

.authority-list {
  display: grid;
  gap: var(--space-sm);
}

.authority-list article {
  display: grid;
  grid-template-columns: minmax(4.5rem, auto) minmax(0, 1fr);
  gap: var(--space-sm) var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-paper-2);
}

.authority-list article > span {
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: var(--text-sm);
}

.authority-list h3 {
  margin-block-end: var(--space-2xs);
  font-size: var(--text-md);
}

.authority-list p {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.authority-list b {
  grid-column: 2;
  width: max-content;
  color: var(--color-ink);
  font-size: var(--text-sm);
}

.boundary__footnote {
  max-width: none;
  margin: 0;
  padding-block-start: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule-2);
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 650;
  grid-column: 1 / -1;
}

.roadmap-note {
  display: grid;
  gap: var(--space-lg);
  padding-block: var(--space-3xl);
  background: var(--color-paper);
  color: var(--color-ink-2);
}

.roadmap-note h2,
.roadmap-note div > p {
  margin-block-end: 0;
}

.roadmap-note h2 {
  max-width: 19ch;
  margin-block-end: var(--space-md);
  font-size: clamp(2rem, 4vw, 3.7rem);
}

.roadmap-note div > p {
  max-width: 54ch;
  color: var(--color-muted);
}

.text-link {
  display: inline-flex;
  width: max-content;
  min-height: 44px;
  align-items: center;
  align-self: end;
  gap: var(--space-xs);
  color: var(--color-ink);
  font-weight: 650;
  white-space: nowrap;
  transition: color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.inline-footer {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: var(--space-md);
  padding-block: var(--space-xl);
  background: var(--color-paper-2);
  color: var(--color-muted);
}

.inline-footer p,
.inline-footer small {
  margin: 0;
  font-size: var(--text-sm);
}

.inline-footer > div {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.inline-footer > div a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  white-space: nowrap;
}

@keyframes receipt-in {
  from {
    opacity: 0;
    transform: translateY(var(--space-xs));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes panel-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 22rem) {
  .nav-pill {
    gap: var(--space-xs);
    padding-inline: var(--space-xs);
  }

  .locale-switch > span {
    display: none;
  }

  .gateway-hero {
    padding-block-start: var(--space-2xl);
  }

  .hero-context {
    margin-block-end: var(--space-md);
  }

  .gateway-hero h1 {
    max-width: none;
    margin-block-end: var(--space-md);
    font-size: clamp(2.3rem, 12vw, 2.65rem);
  }

  .gateway-hero__lead {
    margin-block-end: var(--space-lg);
    font-size: var(--text-base);
    line-height: 1.5;
  }
}

@media (hover: hover) and (pointer: fine) {
  .locale-switch:hover {
    background: var(--color-paper-3);
    border-color: var(--color-accent);
  }

  .nav-pill__links a:hover {
    background: var(--color-paper-3);
    color: var(--color-ink);
  }

  .primary-action:hover {
    background: var(--color-ink);
  }

  .scan-dock input:hover:not(:focus-visible):not(:disabled) {
    border-color: var(--color-accent);
  }

  .view-switch__button:hover,
  .workflow__controls button:hover {
    color: var(--color-ink);
  }

  .text-link:hover {
    color: var(--color-accent);
  }

  .scan-receipt__next:hover {
    background: var(--color-accent);
    color: var(--color-accent-ink);
  }

  .scan-dock__sample:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
  }
}

@media (pointer: coarse) {
  .locale-switch select,
  .primary-action,
  .view-switch__button,
  .workflow__controls button,
  .secondary-control,
  .technical-details summary,
  .text-link,
  .scan-receipt__next,
  .inline-footer a {
    min-height: 48px;
  }

  .scan-dock__sample {
    min-height: 48px;
  }
}

@media (min-width: 40rem) {
  h2 {
    font-size: clamp(2.3rem, 4.4vw, 4.6rem);
  }

  .nav-pill {
    padding-inline: var(--space-md);
  }

  .scan-dock__row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .scan-dock__meta {
    flex-direction: row;
  }

  .scan-receipt__actions {
    align-items: center;
    flex-direction: row;
  }

  .scan-receipt__heading {
    flex-direction: row;
  }

  .scan-progress ol,
  .readiness-map {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .readiness-map div + div {
    padding-inline-start: var(--space-sm);
    border-inline-start: var(--rule-hair) solid var(--color-rule-2);
  }

  .promise-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-xl);
  }

  .query-pair {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .storefront-fragment,
  .machine-surface {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .contract-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm) var(--space-xl);
  }

  .authority-list article {
    grid-template-columns: 5.5rem minmax(0, 1fr) auto;
    align-items: center;
  }

  .authority-list b {
    grid-column: auto;
  }

  .roadmap-note {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .roadmap-note .text-link {
    grid-column: 2;
  }
}

@media (min-width: 45rem) {
  .nav-pill__links {
    display: flex;
  }
}

@media (min-width: 60rem) {
  .nav-pill__status {
    display: inline-flex;
  }

  .gateway-hero {
    min-height: clamp(42rem, 78svh, 52rem);
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--hero-gap);
  }

  .split-intro {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .split-intro p {
    justify-self: end;
  }

  .agent-checkpoint__intro {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .agent-checkpoint__intro p {
    justify-self: end;
  }

  .agent-checkpoint__flow {
    grid-template-columns: minmax(0, 4fr) minmax(0, 5fr) minmax(0, 4fr);
  }

  .agent-checkpoint__flow blockquote,
  .agent-checkpoint__flow ol {
    position: relative;
  }

  .agent-checkpoint__flow blockquote::after,
  .agent-checkpoint__flow ol::after {
    position: absolute;
    inset-block-start: 50%;
    inset-inline-end: calc(var(--space-md) * -1);
    display: grid;
    width: var(--space-md);
    height: var(--space-lg);
    place-items: center;
    background: var(--color-paper);
    color: var(--color-accent);
    content: "→";
    font-weight: 700;
    transform: translate(50%, -50%);
  }

  .workflow {
    grid-template-columns: minmax(16rem, 4fr) minmax(0, 8fr);
    align-items: stretch;
  }

  .journey {
    padding-block: var(--space-4xl);
  }

  .boundary {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .roadmap-note {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .roadmap-note .text-link {
    grid-column: auto;
  }

  .inline-footer {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    align-items: center;
  }

  .inline-footer > div {
    flex-wrap: nowrap;
  }
}

@media (min-width: 90rem) {
  .gateway-hero {
    padding-inline: var(--space-2xl);
  }

  .agent-checkpoint,
  .proof,
  .journey,
  .boundary,
  .roadmap-note,
  .inline-footer {
    padding-inline: var(--space-2xl);
  }
}

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

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

  .gateway-signature[data-scan-state="idle"] .signature__signal {
    opacity: 0;
  }
}