/* Hallmark · macrostructure: Workbench · genre: modern-minimal · theme: Cobalt adapted · enrichment: none · nav: N1b · footer: Ft2
 * design-system: design.md · designed-as-app
 * pre-emit critique: P5 H5 E5 S5 R5 V4 · contrast: pass (40–41) · nav: N1b · footer: Ft2 · slop: pass (42–45)
 * honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57)
 */

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

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--space-md));
}

body {
  min-width: 20rem;
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink-2);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

[hidden] {
  display: none !important;
}

button,
input,
textarea,
summary {
  font: inherit;
}

button,
a,
summary,
label[for],
.file-button {
  -webkit-tap-highlight-color: transparent;
}

button,
summary,
.file-button {
  cursor: pointer;
}

a {
  color: inherit;
}

img,
iframe {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p {
  min-width: 0;
  margin-block-start: 0;
}

h1,
h2,
h3 {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
}

h1 {
  font-size: var(--text-display);
  line-height: 1.08;
}

h2 {
  font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
  line-height: 1.16;
}

h3 {
  font-size: var(--text-md);
  line-height: 1.3;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-sticky);
  border-block-end: var(--rule-thin) solid var(--color-rule);
  background: color-mix(in oklch, var(--color-paper) 92%, transparent);
  backdrop-filter: blur(0.75rem) saturate(140%);
}

.nav-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-sm);
  width: min(100%, var(--page-max));
  min-height: var(--header-height);
  margin-inline: auto;
  padding: var(--space-sm) var(--page-gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
  color: var(--color-ink);
  text-decoration: none;
}

.brand-orb {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: var(--control-height);
  height: var(--control-height);
  border: var(--rule-thin) solid var(--color-ink);
  border-radius: var(--radius-control);
  background: var(--color-ink);
  color: var(--color-paper);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.brand strong,
.brand small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand strong {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  line-height: 1.2;
}

.brand small {
  margin-block-start: var(--space-3xs);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  line-height: 1.2;
  text-transform: uppercase;
}

.nav-center,
.nav-right {
  display: none;
}

.nav-disclosure {
  position: relative;
  justify-self: end;
}

.nav-disclosure summary {
  display: grid;
  min-width: 4rem;
  min-height: var(--control-height);
  place-items: center;
  border: var(--rule-thin) solid var(--color-rule-strong);
  border-radius: var(--radius-control);
  background: var(--color-panel);
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 500;
  list-style: none;
  white-space: nowrap;
}

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

.nav-disclosure[open] summary {
  border-color: var(--color-accent);
}

.nav-disclosure nav {
  position: absolute;
  inset-block-start: calc(100% + var(--space-xs));
  inset-inline-end: 0;
  z-index: var(--z-dropdown);
  display: grid;
  width: min(18rem, calc(100vw - (var(--page-gutter) * 2)));
  padding: var(--space-xs);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  box-shadow: var(--shadow-whisper);
}

.nav-disclosure nav a,
.site-nav a {
  display: flex;
  align-items: center;
  min-height: var(--control-height);
  padding-inline: var(--space-sm);
  border-radius: var(--radius-control);
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.nav-disclosure nav a[aria-current="page"],
.site-nav a[aria-current="page"] {
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
}

.privacy-pill,
.status,
.completion,
.scope-line {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  width: fit-content;
  color: var(--color-ink-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.privacy-pill,
.status,
.completion {
  min-height: 2rem;
  padding-inline: var(--space-sm);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-round);
  background: var(--color-panel);
}

.dot {
  display: inline-block;
  flex: 0 0 auto;
  width: var(--space-xs);
  height: var(--space-xs);
  border-radius: var(--radius-round);
  background: var(--color-success);
}

main {
  width: min(100%, var(--page-max));
  margin-inline: auto;
  padding: var(--space-lg) var(--page-gutter) var(--space-3xl);
}

.hero-tool {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
  padding-block: var(--space-xl) var(--space-2xl);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.hero-copy {
  align-self: center;
}

.scope-line {
  margin-block-end: var(--space-md);
  color: var(--color-accent-strong);
  text-transform: uppercase;
}

.hero-copy h1 {
  max-width: 18ch;
  margin-block-end: var(--space-lg);
}

.hero-copy > p:not(.scope-line) {
  max-width: 46rem;
  margin-block-end: 0;
  color: var(--color-ink-2);
  font-size: var(--text-md);
  line-height: 1.75;
}

.hero-actions,
.command-actions,
.project-actions,
.form-actions,
.download-row,
.viewer-tabs,
.viewer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: center;
}

.hero-actions {
  margin-block-start: var(--space-lg);
}

.hero-workflow {
  align-self: stretch;
  padding: var(--space-lg);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-panel);
  background: var(--color-graphite);
  color: var(--color-paper-3);
}

.panel-code {
  margin-block-end: var(--space-sm);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-workflow .panel-code {
  color: var(--color-rule-strong);
}

.hero-workflow ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-workflow li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2xs);
  padding-block: var(--space-lg);
  border-block-start: var(--rule-thin) solid color-mix(in oklch, var(--color-rule-strong) 35%, transparent);
}

.hero-workflow strong {
  color: var(--color-paper);
  font-family: var(--font-display);
  font-size: var(--text-md);
}

.hero-workflow p {
  margin: var(--space-2xs) 0 0;
  color: var(--color-rule-strong);
  font-size: var(--text-sm);
}

.hero-workflow .hero-workflow-note {
  margin: 0;
  padding-block-start: var(--space-md);
  border-block-start: var(--rule-thin) solid color-mix(in oklch, var(--color-rule-strong) 35%, transparent);
  color: var(--color-rule-strong);
  font-size: var(--text-xs);
}

.primary-button,
.soft-button,
.icon-button,
.tab,
.text-link,
.phone-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-height);
  border-radius: var(--radius-control);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.primary-button,
.soft-button,
.icon-button,
.tab {
  border: var(--rule-thin) solid var(--color-rule-strong);
  padding-inline: var(--space-md);
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.primary-button {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.soft-button,
.icon-button,
.tab {
  background: var(--color-panel);
  color: var(--color-ink);
}

.icon-button {
  width: var(--control-height);
  padding: 0;
  font-size: var(--text-lg);
}

.text-link,
.phone-link {
  min-height: 2.75rem;
  color: var(--color-accent-strong);
  text-underline-offset: var(--space-2xs);
}

.text-link::after {
  content: "→";
  margin-inline-start: var(--space-xs);
}

.brand:active,
.nav-disclosure summary:active,
.nav-disclosure nav a:active,
.site-nav a:active,
.text-link:active,
.phone-link:active,
.report-row:active,
.demo-card:active,
.project-item:active,
.file-button:active {
  color: var(--color-accent-strong);
  transform: translateY(var(--space-3xs));
}

.primary-button:active,
.soft-button:active,
.icon-button:active,
.tab:active {
  transform: translateY(var(--space-3xs));
}

.primary-button:disabled,
.soft-button:disabled,
.icon-button:disabled,
.tab:disabled,
[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.primary-button[data-state="success"] {
  border-color: var(--color-success);
  background: var(--color-success);
}

.primary-button[data-state="error"] {
  border-color: var(--color-error);
  background: var(--color-error);
}

.command-strip {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  justify-content: space-between;
  padding-block: var(--space-lg);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.assurance-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.assurance-strip span {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: var(--space-sm);
  padding-block: var(--space-md);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.assurance-strip strong {
  color: var(--color-ink);
}

.command-strip strong,
.command-strip span {
  display: block;
}

.command-strip strong {
  color: var(--color-ink);
}

.command-strip span {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
  padding-block: var(--space-2xl);
}

.project-panel,
.brief-panel,
.result-panel {
  min-width: 0;
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-panel);
  background: var(--color-panel);
}

.project-panel,
.brief-panel,
.result-panel {
  padding: var(--space-lg);
}

.panel-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block-end: var(--space-md);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.panel-title h2 {
  margin: 0;
  font-size: var(--text-xl);
}

.workflow-steps {
  padding-block: var(--space-lg);
}

.workflow-steps ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.workflow-steps li {
  position: relative;
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  gap: var(--space-sm);
  padding-block: var(--space-sm);
  border-block-start: var(--rule-thin) solid var(--color-rule);
  counter-increment: workflow;
}

.workflow-steps ol {
  counter-reset: workflow;
}

.workflow-steps li::before {
  content: counter(workflow, decimal-leading-zero);
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.workflow-steps strong,
.workflow-steps span {
  grid-column: 2;
}

.workflow-steps strong {
  color: var(--color-ink);
  font-size: var(--text-sm);
}

.workflow-steps span {
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.project-list {
  display: grid;
  gap: var(--space-xs);
  margin-block-end: var(--space-md);
}

.project-item {
  display: grid;
  gap: var(--space-2xs);
  width: 100%;
  min-height: 4rem;
  padding: var(--space-sm);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-control);
  background: var(--color-paper);
  color: var(--color-ink);
  text-align: start;
}

.project-item.active {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.project-item span {
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.project-actions .soft-button,
.form-actions .soft-button,
.download-row .soft-button {
  flex: 1 1 auto;
}

.file-button input {
  display: none;
}

.microcopy {
  margin: var(--space-md) 0 0;
  color: var(--color-muted);
  font-size: var(--text-xs);
  line-height: 1.65;
}

#brief-form {
  display: grid;
  gap: var(--space-xl);
  padding-block-start: var(--space-lg);
}

.form-section {
  display: grid;
  gap: var(--space-md);
}

.form-section + .form-section {
  padding-block-start: var(--space-xl);
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.form-section h3 {
  margin: 0;
}

.field-grid,
.split-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
}

label {
  display: grid;
  gap: var(--space-xs);
  min-width: 0;
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 500;
}

input,
textarea {
  width: 100%;
  min-width: 0;
  border: var(--rule-thin) solid var(--color-rule-strong);
  border-radius: var(--radius-control);
  outline: 2px solid transparent;
  outline-offset: 1px;
  background: var(--color-paper);
  color: var(--color-ink);
  font-size: var(--text-base);
  font-weight: 400;
}

input {
  min-height: var(--control-height);
  padding-inline: var(--space-sm);
}

textarea {
  min-height: 6rem;
  padding: var(--space-sm);
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-muted);
  opacity: 1;
}

input:focus-visible,
textarea:focus-visible {
  border-color: var(--color-ink-2);
  outline-color: var(--color-focus);
}

input:disabled,
textarea:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--color-error);
  background: var(--color-error-soft);
}

input[data-state="success"],
textarea[data-state="success"] {
  border-color: var(--color-success);
  background: var(--color-success-soft);
}

.danger {
  color: var(--color-error);
}

.score-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-block: var(--space-lg);
  border-block: var(--rule-thin) solid var(--color-rule);
}

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

.score-strip div:nth-child(odd) {
  border-inline-end: var(--rule-thin) solid var(--color-rule);
}

.score-strip div:nth-child(n + 3) {
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.score-strip span,
.score-strip strong {
  display: block;
}

.score-strip span {
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.score-strip strong {
  margin-block-start: var(--space-xs);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
}

.tabs {
  display: inline-flex;
  gap: var(--space-2xs);
  margin-block-end: var(--space-sm);
  padding: var(--space-2xs);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-control);
  background: var(--color-paper-2);
}

.tab {
  min-height: var(--control-height);
  border-color: transparent;
  background: transparent;
}

.tab.active,
.tab[aria-selected="true"] {
  border-color: var(--color-rule);
  background: var(--color-panel);
  color: var(--color-accent-strong);
}

.download-row {
  margin-block-bottom: var(--space-md);
}

#report-frame {
  width: 100%;
  height: 32rem;
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-control);
  background: var(--color-paper);
}

.demo-gallery,
.visual-story,
.delivery-system,
.info-grid,
.faq-section,
.contact-band {
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.demo-gallery,
.visual-story,
.delivery-system,
.info-grid,
.faq-section,
.contact-band {
  padding-block: var(--space-2xl);
}

.demo-gallery {
  display: grid;
  gap: var(--space-lg);
}

.demo-copy p,
.delivery-system > div p,
.info-grid p,
.faq-list p,
.contact-copy p {
  max-width: 65ch;
  color: var(--color-muted);
}

.demo-card {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: var(--space-xs) var(--space-md);
  padding-block: var(--space-lg);
  border-block-start: var(--rule-thin) solid var(--color-rule);
  text-decoration: none;
}

.demo-card > span {
  grid-row: 1 / 3;
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.demo-card strong {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  line-height: 1.35;
}

.demo-card small {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

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

.visual-story-intro {
  display: grid;
  gap: var(--space-sm);
  max-width: 54rem;
}

.visual-story-intro h2,
.visual-story-intro p,
.visual-story-grid figure,
.visual-story-grid figcaption h3,
.visual-story-grid figcaption p {
  margin: 0;
}

.visual-story-intro > p:last-child,
.visual-story-grid figcaption p {
  color: var(--color-muted);
}

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

.visual-story-grid figure {
  display: grid;
  gap: var(--space-md);
  padding-block-start: var(--space-md);
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.visual-story-grid img {
  width: 100%;
  height: 14rem;
  border-radius: var(--radius-control);
  object-fit: cover;
  object-position: center;
  background: var(--color-paper-2);
}

.visual-story-grid figcaption {
  display: grid;
  gap: var(--space-xs);
}

.visual-story-grid figcaption span {
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.visual-story-grid figcaption h3 {
  font-size: var(--text-lg);
}

.visual-story-grid figcaption p {
  font-size: var(--text-sm);
}

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

.delivery-steps {
  display: grid;
  margin: 0;
  padding: 0;
  border-block-start: var(--rule-thin) solid var(--color-rule);
  list-style: none;
}

.delivery-steps li {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: var(--space-xs) var(--space-md);
  padding-block: var(--space-lg);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.delivery-steps span {
  grid-row: 1 / 3;
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.delivery-steps h3,
.delivery-steps p {
  margin: 0;
}

.delivery-steps p {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.info-grid {
  display: grid;
}

.info-grid article {
  padding-block: var(--space-lg);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.info-grid h2 {
  font-size: var(--text-lg);
}

.faq-list {
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.faq-list details {
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.faq-list summary {
  min-height: 3.5rem;
  padding-block: var(--space-md);
  color: var(--color-ink);
  font-weight: 700;
}

.faq-list details p {
  margin-block-end: var(--space-lg);
}

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

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 8rem) minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: center;
}

.wechat-qr {
  width: 100%;
  aspect-ratio: 1;
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-control);
  object-fit: cover;
}

.contact-details h3 {
  margin-block-end: var(--space-xs);
}

.contact-details > span {
  display: block;
  max-width: 42rem;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.site-footer {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  width: min(100%, var(--page-max));
  margin-inline: auto;
  padding: var(--space-lg) var(--page-gutter) max(var(--space-lg), env(safe-area-inset-bottom));
  border-block-start: var(--rule-thin) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

/* Content pages */
.page-main {
  max-width: 90rem;
}

.page-hero {
  padding-block: var(--space-xl) var(--space-2xl);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.page-hero h1 {
  max-width: 18ch;
  margin-block-end: var(--space-lg);
}

.page-hero > p:last-child {
  max-width: 65ch;
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-md);
}

.report-index {
  padding-block: var(--space-xl) var(--space-2xl);
}

.report-row {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: var(--space-md);
  align-items: start;
  min-height: 7rem;
  padding-block: var(--space-lg);
  border-block-end: var(--rule-thin) solid var(--color-rule);
  text-decoration: none;
}

.report-row:first-child {
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.report-number,
.report-action {
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.report-row strong,
.report-row small {
  display: block;
}

.report-row strong {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.35;
}

.report-row small {
  margin-block-start: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.report-action {
  grid-column: 2;
  min-height: 2.75rem;
  white-space: nowrap;
}

.baseline-section {
  padding-block: var(--space-2xl);
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.check-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-block-start: var(--space-lg);
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.check-grid span {
  min-width: 0;
  padding-block: var(--space-sm);
  border-block-end: var(--rule-thin) solid var(--color-rule);
  color: var(--color-ink-2);
  font-size: var(--text-sm);
}

.document-page {
  max-width: 72rem;
}

.prose-document,
.workflow-document {
  max-width: 65ch;
  padding-block: var(--space-xl);
}

.prose-document section {
  padding-block: var(--space-lg);
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.prose-document h2,
.workflow-document h2 {
  margin-block-end: var(--space-sm);
  font-size: var(--text-xl);
}

.prose-document p {
  margin: 0;
}

.workflow-document {
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.method-list {
  display: grid;
  gap: 0;
  margin: var(--space-lg) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: method;
}

.method-list li {
  position: relative;
  padding: var(--space-md) 0 var(--space-md) calc(var(--space-xl) + var(--space-xs));
  border-block-start: var(--rule-thin) solid var(--color-rule);
  counter-increment: method;
}

.method-list li::before {
  content: counter(method, decimal-leading-zero);
  position: absolute;
  inset-block-start: var(--space-md);
  inset-inline-start: 0;
  color: var(--color-accent-strong);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

/* Report viewer */
.viewer-body {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 100dvh;
}

.viewer-toolbar {
  position: relative;
  z-index: var(--z-sticky);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-sm);
  padding: var(--space-sm) var(--page-gutter);
  border-block-end: var(--rule-thin) solid var(--color-rule);
  background: var(--color-paper);
}

.viewer-shell {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 40rem;
  padding: 0;
}

#viewer-frame {
  width: 100%;
  height: 100%;
  min-height: 40rem;
  border: 0;
  background: var(--color-panel);
}

.viewer-empty {
  display: grid;
  min-height: 40rem;
  place-items: start;
  align-content: center;
  max-width: 42rem;
  margin-inline: auto;
  padding: var(--space-xl) var(--page-gutter);
}

.viewer-empty h1 {
  margin-block-end: var(--space-md);
  font-size: var(--text-2xl);
}

.viewer-empty p {
  color: var(--color-muted);
}

@media (hover: hover) and (pointer: fine) {
  .brand:hover,
  .nav-disclosure summary:hover {
    color: var(--color-accent-strong);
  }

  .nav-disclosure nav a:hover,
  .site-nav a:hover {
    background: var(--color-paper-2);
    color: var(--color-accent-strong);
  }

  .primary-button:hover {
    background: var(--color-accent-strong);
    transform: translateY(calc(var(--space-3xs) * -1));
  }

  .soft-button:hover,
  .icon-button:hover,
  .tab:hover {
    background: var(--color-paper-2);
    transform: translateY(calc(var(--space-3xs) * -1));
  }

  .project-item:hover,
  input:hover,
  textarea:hover {
    background: var(--color-paper-2);
  }

  .demo-card:hover strong,
  .report-row:hover strong,
  .text-link:hover,
  .phone-link:hover {
    color: var(--color-accent-strong);
  }
}

@media (pointer: coarse) {
  .site-nav a,
  .nav-disclosure a,
  .primary-button,
  .soft-button,
  .icon-button,
  .tab,
  .text-link,
  .phone-link {
    min-height: 3rem;
  }
}

@media (min-width: 48rem) {
  .assurance-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .assurance-strip span {
    display: block;
    padding-inline: var(--space-md);
    border-inline-start: var(--rule-thin) solid var(--color-rule);
  }

  .assurance-strip span:first-child {
    padding-inline-start: 0;
    border-inline-start: 0;
  }

  .assurance-strip strong {
    display: block;
    margin-block-end: var(--space-2xs);
  }

  .nav-inner {
    grid-template-columns: minmax(15rem, 1fr) auto minmax(0, 1fr);
  }

  .nav-center {
    display: flex;
    justify-content: center;
    gap: var(--space-2xs);
  }

  .nav-right {
    display: flex;
    justify-self: end;
    gap: var(--space-xs);
    align-items: center;
  }

  .nav-disclosure {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .hero-tool {
    grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
    align-items: stretch;
    gap: var(--space-2xl);
    padding-block: var(--space-2xl);
  }

  .command-strip,
  .site-footer {
    flex-direction: row;
    align-items: center;
  }

  .field-grid,
  .split-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .score-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .score-strip div,
  .score-strip div:nth-child(odd) {
    border-inline-end: var(--rule-thin) solid var(--color-rule);
  }

  .score-strip div:last-child {
    border-inline-end: 0;
  }

  .score-strip div:nth-child(n + 3) {
    border-block-start: 0;
  }

  .demo-gallery {
    grid-template-columns: minmax(15rem, 0.75fr) minmax(0, 1.25fr);
  }

  .demo-copy {
    grid-row: 1 / 3;
  }

  .visual-story-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-lg);
  }

  .delivery-system {
    grid-template-columns: minmax(15rem, 0.75fr) minmax(0, 1.25fr);
  }

  .info-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .info-grid article {
    padding: var(--space-lg);
    border-inline-end: var(--rule-thin) solid var(--color-rule);
  }

  .info-grid article:first-child {
    padding-inline-start: 0;
  }

  .info-grid article:last-child {
    padding-inline-end: 0;
    border-inline-end: 0;
  }

  .contact-band {
    grid-template-columns: minmax(0, 0.8fr) minmax(20rem, 1.2fr);
  }

  .report-row {
    grid-template-columns: 3rem minmax(0, 1fr) auto;
    align-items: center;
  }

  .report-action {
    grid-column: 3;
  }

  .check-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .check-grid span:nth-child(odd) {
    border-inline-end: var(--rule-thin) solid var(--color-rule);
    padding-inline-end: var(--space-lg);
  }

  .check-grid span:nth-child(even) {
    padding-inline-start: var(--space-lg);
  }

  .viewer-toolbar {
    grid-template-columns: minmax(14rem, 1fr) auto minmax(20rem, 1fr);
    align-items: center;
  }

  .viewer-tabs {
    justify-self: center;
  }

  .viewer-actions {
    justify-self: end;
  }
}

@media (min-width: 64rem) {
  .nav-cta {
    display: inline-flex;
  }

  .workspace {
    grid-template-columns: minmax(15rem, 0.8fr) minmax(25rem, 1.45fr);
  }

  .result-panel {
    grid-column: 1 / -1;
  }

  #report-frame {
    height: 42rem;
  }
}

@media (min-width: 84rem) {
  .workspace {
    grid-template-columns: minmax(15rem, 0.72fr) minmax(28rem, 1.28fr) minmax(26rem, 1fr);
    align-items: start;
  }

  .result-panel {
    grid-column: auto;
    position: sticky;
    inset-block-start: calc(var(--header-height) + var(--space-md));
  }

  #report-frame {
    height: 44rem;
  }
}

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

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

@media print {
  .site-header,
  .viewer-toolbar,
  .command-strip,
  .form-actions,
  .project-actions,
  .download-row,
  .site-footer {
    display: none !important;
  }

  body {
    background: var(--color-panel);
  }

  main {
    padding: 0;
  }

  .project-panel,
  .brief-panel,
  .result-panel {
    border: 0;
  }
}