/* Hallmark · pre-emit critique: P5 H5 E4 S5 R5 V5
 * genre: utility-editorial · tone: practical portal · anchor: cool navy
 * macrostructure: Photographic + Catalogue + Split Studio / Long Document
 * theme: studied-DNA (source: z500.pl / ux.z500.pl)
 * contrast: pass (40–41) · nav: N1b · footer: Ft3 · slop: pass (42–45)
 * honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49)
 * mobile: pass (34, 49, 50–57) · icons: pass (30)
 */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 7rem;
  overflow-x: clip;
}

body {
  margin: 0;
  min-width: 20rem;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open,
body.search-open {
  overflow: hidden;
}

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

img {
  height: auto;
}

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

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

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

p,
h1,
h2,
h3,
h4,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

ul,
ol {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.035em;
  min-width: 0;
  overflow-wrap: anywhere;
}

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

h2 {
  font-size: var(--text-2xl);
}

h3 {
  font-size: var(--text-lg);
}

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

a:active,
button:active {
  opacity: 0.78;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled,
[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

.shell {
  width: min(calc(100% - 2rem), var(--shell));
  margin-inline: auto;
}

.shell--narrow {
  max-width: 58rem;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: var(--z-tooltip);
  top: var(--space-sm);
  left: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  transform: translateY(-180%);
  background: var(--color-ink);
  color: var(--color-surface);
  font-weight: 600;
  text-decoration: none;
}

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

.site-main {
  min-height: 60vh;
}

.portal-strip {
  display: none;
  background: var(--color-ink);
  color: var(--color-surface);
}

.portal-strip__inner {
  min-height: 2.25rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  font-size: var(--text-xs);
}

.portal-strip__inner nav {
  display: flex;
  gap: var(--space-lg);
}

.portal-strip a {
  color: var(--color-surface);
  text-decoration: none;
}

.site-header {
  position: relative;
  z-index: var(--z-sticky);
  background: var(--color-surface);
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

.site-header a,
.site-header button,
.site-footer a {
  white-space: nowrap;
}

.header-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-sm);
  min-height: 4.5rem;
}

.masthead__link {
  display: inline-flex;
  align-items: baseline;
  width: fit-content;
  min-width: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 5.4vw, 1.55rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.masthead__dot {
  color: var(--color-accent);
}

.utility-bar__search {
  display: none;
  min-height: 3rem;
  align-items: center;
  gap: var(--space-xs);
  padding: 0 var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-input);
  background: var(--color-paper);
  color: var(--color-muted);
  text-align: left;
  cursor: pointer;
}

.utility-bar__search svg {
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.8;
}

.utility-bar__search-text {
  flex: 1;
}

.utility-bar__search kbd {
  padding: var(--space-3xs) var(--space-2xs);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: 0.3rem;
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.header-main__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
}

.header-guides {
  display: none;
  align-items: center;
  min-height: 2.75rem;
  padding-inline: var(--space-sm);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.menu-toggle {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-xs);
  padding: 0 var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  font-weight: 600;
  cursor: pointer;
}

.menu-toggle__icon {
  display: grid;
  gap: var(--space-3xs);
  width: 1rem;
}

.menu-toggle__icon i {
  display: block;
  height: 2px;
  background: currentColor;
}

.primary-navigation {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  max-height: calc(100vh - 4.5rem);
  overflow-y: auto;
  background: var(--color-surface);
  border-top: var(--rule-hair) solid var(--color-rule);
  box-shadow: 0 1rem 2rem var(--color-shadow);
}

.primary-navigation.is-open {
  display: block;
}

.primary-navigation__inner {
  padding-block: var(--space-sm) var(--space-lg);
}

.primary-menu {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.primary-menu a,
.all-guides-link {
  display: flex;
  min-height: 3rem;
  align-items: center;
  border-bottom: var(--rule-hair) solid var(--color-rule);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.all-guides-link {
  color: var(--color-accent-dark);
}

.search-panel {
  position: fixed;
  z-index: var(--z-modal);
  inset: 0;
  overflow-y: auto;
  background: var(--color-overlay);
}

.search-panel[hidden] {
  display: none;
}

.search-panel__inner {
  position: relative;
  display: grid;
  gap: var(--space-lg);
  margin-top: 4rem;
  padding: var(--space-xl);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
  box-shadow: 0 1.5rem 4rem var(--color-shadow);
}

.search-panel__title {
  margin-bottom: var(--space-2xs);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.search-panel__inner > div > p:last-child {
  color: var(--color-muted);
}

.search-panel__close {
  min-height: 2.75rem;
  border: 0;
  background: transparent;
  color: var(--color-muted);
  font-weight: 600;
  cursor: pointer;
}

.search-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2xs);
}

.search-form label {
  display: block;
}

.search-field {
  width: 100%;
  min-height: 3.25rem;
  padding: 0 var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-input);
  background: var(--color-surface);
  color: var(--color-ink);
  outline: 2px solid transparent;
  outline-offset: 1px;
}

.search-field:hover {
  border-color: var(--color-accent);
}

.search-field:focus-visible {
  border-color: var(--color-focus);
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
}

.search-field:user-invalid {
  border-color: var(--color-warning);
}

.search-submit {
  min-height: 3.25rem;
  padding: 0 var(--space-md);
  border: 0;
  border-radius: var(--radius-input);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.button,
.button-link {
  display: inline-flex;
  min-height: 2.875rem;
  width: fit-content;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-md);
  border: var(--rule-hair) solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

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

.button--dark,
.button-link {
  background: var(--color-ink);
  color: var(--color-surface);
}

.button--light {
  background: var(--color-surface);
  color: var(--color-ink);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  min-width: 0;
  margin-bottom: var(--space-xl);
  color: var(--color-muted);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.breadcrumbs a {
  text-decoration: none;
  white-space: nowrap;
}

.breadcrumbs [aria-current="page"] {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.eyebrow,
.home-opening__label,
.story-card__category,
.article-header__category,
.category-feature__content > p:first-child,
.hero-guide__content > p:first-child {
  color: var(--color-accent-dark);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.home-opening {
  display: grid;
  gap: var(--space-lg);
  padding-block: var(--space-xl) var(--space-2xl);
}

.home-opening__label {
  margin-bottom: var(--space-sm);
}

.home-opening h1 {
  max-width: 18ch;
}

.home-opening > p {
  max-width: 38rem;
  color: var(--color-ink-2);
  font-size: var(--text-md);
}

.home-hero {
  display: grid;
  gap: var(--space-sm);
}

.lead-story,
.lead-story__media,
.hero-guide,
.hero-guide__media {
  min-width: 0;
}

.lead-story__media {
  position: relative;
  display: block;
  min-height: 27rem;
  overflow: hidden;
  border-radius: var(--radius-panel);
  background: var(--color-ink);
  color: var(--color-surface);
  text-decoration: none;
}

.lead-story__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  opacity: 0.55;
}

.lead-story__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lead-story__content {
  position: absolute;
  z-index: var(--z-base);
  right: var(--space-lg);
  bottom: var(--space-lg);
  left: var(--space-lg);
  display: grid;
  gap: var(--space-xs);
}

.lead-story__category {
  width: fit-content;
  padding: var(--space-3xs) var(--space-2xs);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
}

.lead-story__content strong {
  max-width: 18ch;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.lead-story__content > span:last-child {
  display: none;
  max-width: 42rem;
}

.hero-guide {
  display: grid;
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

.hero-guide__media {
  display: block;
  min-height: 15rem;
  background: var(--color-paper-2);
}

.hero-guide__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-guide__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-lg);
}

.hero-guide__content h2 {
  font-size: var(--text-xl);
}

.hero-guide__content h2 a {
  text-decoration: none;
}

.hero-guide__content .button {
  margin-top: auto;
}

.category-shelf {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--rule-hair);
  margin-top: var(--space-lg);
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-card);
  background: var(--color-rule);
}

.category-shelf a {
  display: grid;
  min-width: 0;
  min-height: 8.5rem;
  align-content: start;
  gap: var(--space-2xs);
  padding: var(--space-md);
  background: var(--color-surface);
  text-decoration: none;
}

.category-shelf strong {
  font-family: var(--font-display);
  font-size: var(--text-md);
  letter-spacing: -0.02em;
}

.category-shelf span {
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: 1.35;
}

.category-shelf small {
  margin-top: auto;
  color: var(--color-accent-dark);
  font-size: var(--text-xs);
  font-weight: 600;
}

.home-section {
  padding-block: var(--space-3xl);
}

.home-section--soft {
  background: var(--color-paper-2);
}

.section-heading {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.section-heading h2 {
  margin-bottom: var(--space-2xs);
}

.section-heading p {
  max-width: 44rem;
  color: var(--color-muted);
}

.section-heading > a,
.text-link {
  flex: 0 0 auto;
  color: var(--color-accent-dark);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

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

.story-card {
  min-width: 0;
}

.story-card__media {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--color-paper-3);
  aspect-ratio: 16 / 10;
}

.story-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-card__content {
  display: grid;
  align-content: start;
  gap: var(--space-xs);
  padding-top: var(--space-md);
}

.story-card__category {
  width: fit-content;
  text-decoration: none;
}

.story-card h3 {
  font-size: var(--text-lg);
}

.story-card h3 a {
  text-decoration: none;
}

.story-card__content > p {
  color: var(--color-muted);
}

.story-card__link {
  width: fit-content;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: var(--color-accent-dark);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.story-card--row {
  display: grid;
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

.story-card--row .story-card__content {
  padding-block: var(--space-md);
}

.story-card--row .story-card__link {
  display: none;
}

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

.knowledge-layout__visual {
  overflow: hidden;
  border-radius: var(--radius-panel);
  background: var(--color-ink);
  color: var(--color-surface);
}

.knowledge-layout__visual > a {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 11;
  background: var(--color-paper-3);
}

.knowledge-layout__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.knowledge-layout__visual > div {
  padding: var(--space-lg);
}

.knowledge-layout__visual strong {
  display: block;
  margin-bottom: var(--space-2xs);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: -0.03em;
}

.knowledge-layout__visual p {
  color: var(--color-paper-3);
}

.standards-band,
.category-next {
  display: grid;
  gap: var(--space-lg);
  margin-block: var(--space-2xl) var(--space-4xl);
  padding: var(--space-xl);
  border-radius: var(--radius-panel);
  background: var(--color-accent-soft);
}

.standards-band h2,
.category-next h2 {
  margin-bottom: var(--space-xs);
  font-size: var(--text-xl);
}

.standards-band p,
.category-next p {
  max-width: 48rem;
  color: var(--color-ink-2);
}

.category-header {
  padding-block: var(--space-xl);
}

.category-header__grid {
  display: grid;
  gap: var(--space-lg);
}

.category-header h1 {
  margin-bottom: var(--space-sm);
}

.category-header__description {
  max-width: 46rem;
  color: var(--color-muted);
  font-size: var(--text-md);
}

.category-header__description p + p {
  margin-top: var(--space-sm);
}

.category-header__count {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  color: var(--color-muted);
}

.category-header__count strong {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1;
}

.topic-chips {
  display: flex;
  gap: var(--space-2xs);
  margin: var(--space-lg) 0 0;
  padding: 0;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: none;
}

.topic-chips li {
  flex: 0 0 auto;
  padding: var(--space-2xs) var(--space-xs);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-pill);
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.category-feature {
  display: grid;
  overflow: hidden;
  border-radius: var(--radius-panel);
  background: var(--color-ink);
  color: var(--color-surface);
}

.category-feature__media {
  display: block;
  min-height: 19rem;
  background: var(--color-paper-3);
}

.category-feature__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.category-feature__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-xl);
}

.category-feature__content > p:first-child {
  color: var(--color-accent-soft);
}

.category-feature__content h2 {
  font-size: var(--text-2xl);
}

.category-feature__content h2 a {
  text-decoration: none;
}

.category-feature__content > p:not(:first-child) {
  color: var(--color-paper-3);
}

.category-feature__content .button {
  margin-top: auto;
}

.category-catalog {
  padding-block: var(--space-3xl);
}

.story-card--category-row {
  display: grid;
  gap: var(--space-lg);
  padding-block: var(--space-lg);
  border-top: var(--rule-hair) solid var(--color-rule);
}

.story-card--category-row .story-card__media {
  aspect-ratio: 16 / 9;
}

.navigation.pagination {
  margin-top: var(--space-xl);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
}

.page-numbers {
  display: inline-flex;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-xs);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.page-numbers.current {
  border-color: var(--color-ink);
  background: var(--color-ink);
  color: var(--color-surface);
}

.article-header {
  padding-block: var(--space-xl) var(--space-2xl);
}

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

.article-header__copy {
  align-self: center;
}

.article-header__category {
  display: inline-block;
  margin-bottom: var(--space-md);
  text-decoration: none;
  white-space: nowrap;
}

.article-header h1 {
  max-width: 17ch;
}

.article-header__dek {
  max-width: 42rem;
  margin-top: var(--space-lg);
  color: var(--color-ink-2);
  font-size: var(--text-md);
}

.article-hero {
  min-width: 0;
}

.article-hero__frame {
  overflow: auto hidden;
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
  scrollbar-color: var(--color-rule-strong) var(--color-paper-2);
}

.article-hero__image {
  width: 100%;
  min-width: 42rem;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.article-hero--photo .article-hero__frame {
  overflow: hidden;
}

.article-hero--photo .article-hero__image {
  min-width: 0;
  aspect-ratio: 4 / 3;
}

.article-hero figcaption {
  margin-top: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.mobile-diagram-hint {
  display: block;
  margin-bottom: var(--space-xs);
  color: var(--color-accent-dark);
  font-size: var(--text-xs);
  font-weight: 600;
}

.guide-snapshot {
  display: grid;
  overflow: hidden;
  margin-bottom: var(--space-3xl);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

.quick-answer {
  padding: var(--space-xl);
  background: var(--color-accent-soft);
}

.quick-answer__label {
  margin-bottom: var(--space-xs);
  color: var(--color-accent-dark);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.quick-answer > p:last-child {
  max-width: 58rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.guide-facts {
  display: grid;
}

.guide-facts > div {
  padding: var(--space-md) var(--space-xl);
  border-top: var(--rule-hair) solid var(--color-rule);
}

.guide-facts dt {
  margin-bottom: var(--space-3xs);
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.guide-facts dd {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
}

.article-grid {
  display: grid;
  gap: var(--space-xl);
  max-width: 72rem;
}

.article-toc {
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.article-toc--desktop {
  display: none;
}

.article-toc--mobile {
  margin-bottom: var(--space-xl);
}

.article-toc summary,
.article-toc__title {
  padding: var(--space-md);
  font-weight: 600;
  cursor: pointer;
}

.article-toc__title {
  border-bottom: var(--rule-hair) solid var(--color-rule);
  cursor: default;
}

.article-toc__list {
  display: grid;
  gap: var(--space-2xs);
  margin: 0;
  padding: 0 var(--space-md) var(--space-md);
  list-style: none;
}

.article-toc__list a {
  display: block;
  padding-block: var(--space-2xs);
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  line-height: 1.35;
  text-decoration: none;
}

.article-body {
  min-width: 0;
}

.prose {
  color: var(--color-ink-2);
  font-size: var(--text-md);
  line-height: 1.75;
}

.prose > * {
  max-width: var(--reading);
}

.prose > * + * {
  margin-top: var(--space-md);
}

.prose h2 {
  margin-top: var(--space-3xl);
  padding-top: var(--space-md);
  border-top: var(--rule-hair) solid var(--color-rule);
  color: var(--color-ink);
  font-size: var(--text-2xl);
  scroll-margin-top: 8rem;
}

.prose h3 {
  margin-top: var(--space-xl);
  color: var(--color-ink);
}

.prose a {
  color: var(--color-accent-dark);
  font-weight: 600;
}

.prose ul,
.prose ol {
  padding-left: var(--space-lg);
}

.prose li + li {
  margin-top: var(--space-2xs);
}

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

.editorial-figure {
  max-width: none;
  margin-block: var(--space-2xl);
}

.editorial-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 46rem;
  border-radius: var(--radius-panel);
  object-fit: cover;
  background: var(--color-paper-2);
}

.editorial-figure:not(.editorial-figure--wide) img {
  aspect-ratio: 3 / 2;
}

.editorial-figure figcaption {
  max-width: var(--reading);
  margin-top: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.prose table {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
  background: var(--color-surface);
  font-size: var(--text-sm);
  line-height: 1.45;
}

.prose th,
.prose td {
  padding: var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule);
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--color-ink);
  color: var(--color-surface);
  font-weight: 600;
}

.prose > table,
.table-scroll,
.decision-box,
.measure-note,
.check-panel,
.checklist-box,
.faq-list,
.article-next {
  max-width: none;
}

.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius-card);
  scrollbar-color: var(--color-rule-strong) var(--color-paper-2);
}

.decision-box,
.measure-note,
.checklist-box,
.check-panel,
.article-next {
  margin-block: var(--space-xl);
  padding: var(--space-xl);
  border-radius: var(--radius-card);
}

.decision-box,
.measure-note {
  border-left: 0.3rem solid var(--color-accent);
  background: var(--color-accent-soft);
}

.checklist-box,
.check-panel {
  background: var(--color-ink);
  color: var(--color-surface);
}

.checklist-box h3,
.check-panel h3 {
  color: var(--color-surface);
}

.checklist-box ul,
.check-panel ul {
  margin-bottom: 0;
}

.article-next {
  border: var(--rule-hair) solid var(--color-rule-strong);
  background: var(--color-paper-2);
}

.faq-list {
  border-top: var(--rule-hair) solid var(--color-rule);
}

.faq-list details {
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

.faq-list summary {
  padding: var(--space-md) var(--space-2xl) var(--space-md) 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  line-height: 1.25;
  cursor: pointer;
}

.faq-list details p {
  padding-bottom: var(--space-lg);
}

.guide-cta {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-3xl);
  padding: var(--space-xl);
  border-radius: var(--radius-panel);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.guide-cta > p {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.guide-cta h2 {
  max-width: 22ch;
  margin-bottom: var(--space-lg);
  font-size: var(--text-xl);
}

.article-author {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: var(--rule-hair) solid var(--color-rule);
}

.article-author p {
  max-width: 48rem;
  margin-top: var(--space-2xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.related {
  margin-top: var(--space-4xl);
  padding-block: var(--space-3xl);
  border-top: var(--rule-hair) solid var(--color-rule);
}

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

.archive-page,
.guides-page,
.page-shell,
.error-page {
  padding-block: var(--space-2xl) var(--space-4xl);
}

.archive-header,
.standard-page__header {
  margin-bottom: var(--space-2xl);
}

.archive-header .eyebrow,
.standard-page__header .eyebrow,
.error-page .eyebrow {
  margin-bottom: var(--space-sm);
}

.archive-header > p:last-child,
.archive-header__description,
.error-page > p:not(.eyebrow) {
  max-width: 48rem;
  margin-top: var(--space-md);
  color: var(--color-muted);
  font-size: var(--text-md);
}

.archive-header .search-form,
.error-page .search-form {
  max-width: 44rem;
  margin-top: var(--space-xl);
}

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

.empty-state {
  padding: var(--space-xl);
  border-radius: var(--radius-card);
  background: var(--color-paper-2);
}

.error-page h1 {
  max-width: 16ch;
}

.error-page .button-link {
  margin-top: var(--space-xl);
}

.category-jump {
  display: flex;
  gap: var(--space-2xs);
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-sm);
  overflow-x: auto;
}

.category-jump a {
  display: inline-flex;
  min-height: 2.75rem;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--space-xs);
  padding: 0 var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-pill);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.category-jump span {
  color: var(--color-accent-dark);
  font-size: var(--text-xs);
}

.guides-category {
  padding-block: var(--space-2xl);
  border-top: var(--rule-hair) solid var(--color-rule);
}

.guides-category__list .story-card {
  border-top: var(--rule-hair) solid var(--color-rule);
}

.guides-category__list .story-card__content {
  padding-block: var(--space-md);
}

.guides-category__list .story-card__link {
  display: none;
}

.standard-page__body {
  max-width: var(--reading);
}

.site-footer {
  background: var(--color-ink);
  color: var(--color-surface);
}

.site-footer__top {
  display: grid;
  gap: var(--space-2xl);
  padding-block: var(--space-3xl);
}

.site-footer__brand {
  margin-bottom: var(--space-md);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.site-footer__brand span {
  color: var(--color-accent);
}

.site-footer__identity > p:last-child {
  max-width: 31rem;
  color: var(--color-paper-3);
}

.site-footer__index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
}

.site-footer__index h2 {
  margin-bottom: var(--space-sm);
  color: var(--color-paper-3);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.site-footer__index ul {
  display: grid;
  gap: var(--space-xs);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__index a {
  color: var(--color-surface);
  font-size: var(--text-sm);
  text-decoration: none;
}

.site-footer__base {
  display: grid;
  gap: var(--space-xs);
  padding-block: var(--space-lg);
  border-top: var(--rule-hair) solid var(--color-ink-2);
  color: var(--color-paper-3);
  font-size: var(--text-xs);
}

@media (min-width: 40rem) {
  .shell {
    width: min(calc(100% - 3rem), var(--shell));
  }

  .header-guides {
    display: inline-flex;
  }

  .section-heading {
    flex-direction: row;
    align-items: end;
  }

  .lead-story__content {
    right: var(--space-xl);
    bottom: var(--space-xl);
    left: var(--space-xl);
  }

  .lead-story__content > span:last-child {
    display: block;
  }

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

  .article-catalog--featured,
  .related__list,
  .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .guide-facts > div {
    border-top: 0;
    border-left: var(--rule-hair) solid var(--color-rule);
  }

  .standards-band,
  .category-next,
  .guide-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .story-card--category-row {
    grid-template-columns: minmax(14rem, 0.75fr) minmax(0, 1.25fr);
    align-items: center;
  }

  .site-footer__base {
    grid-template-columns: auto minmax(0, 1fr);
    justify-content: space-between;
  }

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

  .site-footer__base p:last-child {
    text-align: right;
  }
}

@media (min-width: 60rem) {
  .portal-strip {
    display: block;
  }

  .portal-strip__inner {
    display: flex;
  }

  .site-header {
    position: sticky;
    top: 0;
  }

  .header-main {
    grid-template-columns: minmax(13rem, 0.7fr) minmax(22rem, 1.3fr) auto;
    min-height: 5rem;
  }

  .utility-bar__search {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .primary-navigation {
    display: block;
    position: static;
    max-height: none;
    overflow: visible;
    box-shadow: none;
  }

  .primary-navigation__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    padding-block: 0;
  }

  .primary-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
  }

  .primary-menu a,
  .all-guides-link {
    min-height: 3.125rem;
    border: 0;
    font-size: var(--text-sm);
  }

  .search-panel__inner {
    grid-template-columns: minmax(15rem, 0.6fr) minmax(28rem, 1.4fr) auto;
    align-items: center;
    margin-top: 8rem;
  }

  .home-opening {
    grid-template-columns: minmax(0, 1.65fr) minmax(20rem, 0.7fr);
    align-items: end;
    padding-block: var(--space-lg) var(--space-xl);
  }

  .home-opening > p {
    padding-bottom: var(--space-2xs);
  }

  .home-hero {
    grid-template-columns: minmax(0, 1.7fr) minmax(20rem, 0.8fr);
    align-items: stretch;
  }

  .lead-story__media {
    min-height: 26rem;
  }

  .hero-guide {
    grid-template-rows: minmax(8rem, 0.6fr) auto;
  }

  .hero-guide__media {
    min-height: 8rem;
  }

  .hero-guide__content {
    gap: var(--space-xs);
    padding: var(--space-md);
  }

  .hero-guide__content h2 {
    font-size: var(--text-lg);
  }

  .article-catalog--featured {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .article-catalog--featured .story-card h3 {
    font-size: var(--text-md);
  }

  .knowledge-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(22rem, 0.85fr);
    align-items: start;
  }

  .category-header {
    padding-block: var(--space-xl);
  }

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

  .category-header__count {
    display: grid;
    justify-items: end;
    gap: var(--space-3xs);
  }

  .category-feature {
    grid-template-columns: minmax(0, 1.45fr) minmax(22rem, 0.75fr);
    min-height: 24rem;
  }

  .category-feature__media {
    min-height: 24rem;
  }

  .category-feature__content {
    padding: var(--space-2xl);
  }

  .category-feature__content h2 {
    font-size: var(--text-xl);
  }

  .category-feature__content .button {
    margin-top: var(--space-xs);
  }

  .story-card--category-row {
    grid-template-columns: minmax(18rem, 0.55fr) minmax(0, 1.45fr);
    gap: var(--space-2xl);
  }

  .article-header__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(28rem, 1.05fr);
    align-items: center;
    gap: var(--space-3xl);
  }

  .mobile-diagram-hint {
    display: none;
  }

  .article-hero__image {
    min-width: 0;
  }

  .article-hero--photo .article-hero__image {
    aspect-ratio: 16 / 10;
  }

  .guide-snapshot {
    grid-template-columns: minmax(0, 1.55fr) minmax(30rem, 0.95fr);
  }

  .article-grid {
    grid-template-columns: 15rem minmax(0, var(--reading));
    justify-content: center;
    gap: var(--space-3xl);
  }

  .article-toc--desktop {
    display: block;
    position: sticky;
    top: 8.5rem;
    align-self: start;
    max-height: calc(100vh - 10rem);
    overflow-y: auto;
  }

  .article-toc--mobile {
    display: none;
  }

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

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

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

@media (min-width: 90rem) {
  .home-opening h1 {
    font-size: 4rem;
  }

  .lead-story__content strong {
    font-size: var(--text-3xl);
  }

  .lead-story__media {
    min-height: 34rem;
  }

  .hero-guide {
    grid-template-rows: minmax(16rem, 1fr) auto;
  }

  .hero-guide__media {
    min-height: 16rem;
  }

  .hero-guide__content {
    gap: var(--space-sm);
    padding: var(--space-lg);
  }

  .hero-guide__content h2 {
    font-size: var(--text-xl);
  }

  .category-feature,
  .category-feature__media {
    min-height: 31rem;
  }

  .category-feature__content h2 {
    font-size: var(--text-2xl);
  }

  .category-feature__content .button {
    margin-top: auto;
  }
}

@media (max-width: 23rem) {
  .masthead__link {
    font-size: 1rem;
  }

  .menu-toggle {
    width: 2.75rem;
    padding-inline: 0;
    justify-content: center;
  }

  .menu-toggle__label {
    display: none;
  }
}

@media (hover: hover) {
  .portal-strip a:hover,
  .primary-menu a:hover,
  .all-guides-link:hover,
  .story-card h3 a:hover,
  .section-heading > a:hover,
  .text-link:hover,
  .footer a:hover,
  .breadcrumbs a:hover {
    color: var(--color-accent);
  }

  .utility-bar__search:hover,
  .menu-toggle:hover,
  .category-jump a:hover {
    border-color: var(--color-accent);
  }

  .button--primary:hover,
  .search-submit:hover {
    background: var(--color-accent-dark);
  }

  .button--dark:hover,
  .button-link:hover {
    background: var(--color-ink-2);
  }

  .header-guides:hover {
    background: var(--color-accent-dark);
  }

  .lead-story__media:hover .lead-story__image,
  .story-card__media:hover .story-card__image,
  .category-feature__media:hover .category-feature__image {
    filter: brightness(0.92);
  }

  .category-shelf a:hover {
    background: var(--color-accent-soft);
  }

  .story-card__link:hover,
  .story-card__category:hover,
  .article-header__category:hover {
    color: var(--color-accent);
  }

  .site-footer__index a:hover {
    color: var(--color-accent-soft);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .button,
  .button-link,
  .header-guides,
  .utility-bar__search,
  .menu-toggle,
  .category-shelf a,
  .category-jump a,
  .lead-story__image,
  .story-card__image,
  .category-feature__image {
    transition-duration: var(--dur-short);
    transition-timing-function: var(--ease-out);
  }

  .button,
  .button-link,
  .header-guides,
  .category-shelf a {
    transition-property: background-color, color, border-color;
  }

  .utility-bar__search,
  .menu-toggle,
  .category-jump a {
    transition-property: border-color, color;
  }

  .lead-story__image,
  .story-card__image,
  .category-feature__image {
    transition-property: filter;
  }
}

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

@media print {
  .site-header,
  .site-footer,
  .article-toc,
  .related,
  .guide-cta,
  .mobile-diagram-hint {
    display: none !important;
  }

  body {
    background: var(--color-surface);
    color: var(--color-ink);
    font-size: 11pt;
  }

  .shell,
  .article-grid {
    width: auto;
    max-width: none;
  }

  .article-header__grid {
    display: block;
  }

  .article-hero {
    margin-top: 1cm;
  }

  .article-grid {
    display: block;
  }
}