@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("assets/fonts/manrope-latin-wght-normal.woff2") format("woff2-variations");
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122,
    U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("assets/fonts/manrope-cyrillic-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

html {
  color-scheme: light;
}

body[data-design-system="signal-canvas"] {
  background: var(--surface-page);
}

body.is-inspector-open {
  overflow: hidden;
}

/* Font-independent interface marks. Decorative controls must never rely on
   host fallback fonts: the same CSS geometry renders locally and in CI. */
.ui-icon {
  position: relative;
  display: inline-block;
  flex: 0 0 1em;
  width: 1em;
  height: 1em;
  color: currentcolor;
  vertical-align: -0.12em;
}

.ui-icon::before,
.ui-icon::after {
  position: absolute;
  display: block;
  box-sizing: border-box;
  content: "";
}

.ui-icon-arrow-right::before {
  top: calc(50% - 1px);
  right: 0.16em;
  left: 0.08em;
  height: 2px;
  border-radius: var(--cl-radius-pill);
  background: currentcolor;
}

.ui-icon-arrow-right::after {
  top: calc(50% - 0.22em);
  right: 0.08em;
  width: 0.44em;
  height: 0.44em;
  border-top: 2px solid currentcolor;
  border-right: 2px solid currentcolor;
  transform: rotate(45deg);
}

.ui-icon-arrow-left::before {
  top: calc(50% - 1px);
  right: 0.08em;
  left: 0.16em;
  height: 2px;
  border-radius: var(--cl-radius-pill);
  background: currentcolor;
}

.ui-icon-arrow-left::after {
  top: calc(50% - 0.22em);
  left: 0.08em;
  width: 0.44em;
  height: 0.44em;
  border-bottom: 2px solid currentcolor;
  border-left: 2px solid currentcolor;
  transform: rotate(45deg);
}

.ui-icon-arrow-down::before {
  top: 0.08em;
  bottom: 0.16em;
  left: calc(50% - 1px);
  width: 2px;
  border-radius: var(--cl-radius-pill);
  background: currentcolor;
}

.ui-icon-arrow-down::after {
  bottom: 0.08em;
  left: calc(50% - 0.22em);
  width: 0.44em;
  height: 0.44em;
  border-right: 2px solid currentcolor;
  border-bottom: 2px solid currentcolor;
  transform: rotate(45deg);
}

.ui-icon-external::before {
  top: calc(50% - 1px);
  right: 0.12em;
  left: 0.1em;
  height: 2px;
  border-radius: var(--cl-radius-pill);
  background: currentcolor;
  transform: rotate(-45deg);
}

.ui-icon-external::after {
  top: 0.08em;
  right: 0.08em;
  width: 0.46em;
  height: 0.46em;
  border-top: 2px solid currentcolor;
  border-right: 2px solid currentcolor;
}

.ui-icon-plus::before,
.ui-icon-minus::before {
  top: calc(50% - 1px);
  right: 0.12em;
  left: 0.12em;
  height: 2px;
  border-radius: var(--cl-radius-pill);
  background: currentcolor;
}

.ui-icon-plus::after {
  top: 0.12em;
  bottom: 0.12em;
  left: calc(50% - 1px);
  width: 2px;
  border-radius: var(--cl-radius-pill);
  background: currentcolor;
}

.ui-icon-dot::before {
  top: 50%;
  left: 50%;
  width: 0.24em;
  height: 0.24em;
  border-radius: 50%;
  background: currentcolor;
  transform: translate(-50%, -50%);
}

.view:target {
  display: block;
}

/* Shared shell */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto minmax(72px, 1fr);
  align-items: center;
  min-height: var(--cl-header);
  padding: env(safe-area-inset-top) clamp(16px, 3vw, 48px) 0;
  border-bottom: 2px solid var(--ink);
  background: color-mix(in srgb, var(--surface-panel) 96%, transparent);
  backdrop-filter: blur(14px);
}

.brand,
.view-tabs,
.header-actions {
  display: flex;
  align-items: center;
}

.brand {
  width: fit-content;
  min-width: 44px;
  min-height: var(--cl-header);
  gap: 12px;
  color: var(--ink);
  font: 800 0.75rem/1 var(--type-code);
  letter-spacing: 0.1em;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: block;
  width: 38px;
  height: 38px;
  border: 2px solid var(--ink);
  border-radius: 12px;
  background: var(--signal);
  box-shadow: 3px 3px 0 var(--ink);
}

.brand-mark i {
  position: absolute;
  background: var(--ink);
}

.brand-mark i:nth-child(1) {
  top: 17px;
  left: 8px;
  width: 18px;
  height: 2px;
}

.brand-mark i:nth-child(2) {
  top: 8px;
  left: 16px;
  width: 2px;
  height: 18px;
}

.brand-mark i:nth-child(3) {
  top: 13px;
  left: 12px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--ink);
  border-radius: 2px;
  background: var(--signal);
}

.view-tabs {
  align-self: stretch;
  justify-content: center;
  gap: clamp(16px, 2.5vw, 34px);
}

.view-tab {
  position: relative;
  display: grid;
  min-width: 44px;
  min-height: var(--cl-header);
  padding: 0 2px;
  place-items: center;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 680;
  text-decoration: none;
}

.view-tab::after {
  position: absolute;
  right: 0;
  bottom: -2px;
  left: 0;
  height: 5px;
  border: 2px solid var(--ink);
  border-radius: var(--cl-radius-pill);
  background: var(--signal);
  content: "";
  opacity: 0;
  transform: scaleX(0.35);
  transition:
    opacity var(--cl-duration-fast) var(--cl-ease-enter),
    transform var(--cl-duration-ui) var(--cl-ease-enter);
}

.view-tab:hover,
.view-tab:focus-visible,
.view-tab.is-active {
  color: var(--ink);
}

.view-tab.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

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

.language-switch,
.menu-switch {
  min-width: 48px;
  min-height: 44px;
  border: 2px solid var(--ink);
  border-radius: 12px;
  background: var(--paper);
  box-shadow: 3px 3px 0 var(--ink);
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 800;
}

.language-switch:hover,
.language-switch:focus-visible,
.menu-switch:hover,
.menu-switch:focus-visible {
  background: var(--signal);
}

.language-switch:active,
.menu-switch:active {
  box-shadow: 0 0 0 var(--ink);
  transform: translate(3px, 3px);
}

.menu-switch {
  display: none;
}

/* Concept */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(480px, 1.08fr);
  gap: clamp(44px, 7vw, 118px);
  align-items: center;
  min-height: calc(100dvh - var(--cl-header));
  max-width: 1780px;
  margin: 0 auto;
  padding: clamp(64px, 7vw, 118px) clamp(24px, 6vw, 104px);
}

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

.hero-kicker,
.section-label,
.kicker,
.instrument-label {
  color: var(--muted);
  font: 800 0.72rem/1.35 var(--type-code);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-kicker {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 26px;
}

.hero-kicker i {
  width: 12px;
  height: 12px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--signal);
}

.hero h1 {
  max-width: 8.5ch;
  margin: 0;
  font-family: var(--type-display);
  font-size: var(--cl-type-display);
  font-weight: 800;
  letter-spacing: var(--cl-tracking-display);
  line-height: var(--cl-leading-tight);
}

.hero h1 > span,
.hero h1 > em {
  display: block;
}

html[lang="ru"] .hero h1 {
  max-width: 10ch;
  font-size: clamp(3.15rem, 6.1vw, 6.7rem);
}

.hero h1 em {
  margin-top: 0.08em;
  color: var(--info);
  font-style: normal;
}

.hero-bottom {
  max-width: 630px;
  margin-top: 34px;
}

.hero-bottom > p {
  margin: 0;
  color: var(--text-body-strong);
  font-size: var(--cl-type-lead);
  line-height: 1.58;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 30px;
}

.primary-cta,
.secondary-cta,
.inverse-cta,
.inspector-open-cycle {
  display: inline-flex;
  gap: 26px;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  padding: 0 20px;
  border: 2px solid var(--ink);
  border-radius: 14px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.primary-cta,
.inspector-open-cycle {
  min-width: 220px;
  background: var(--signal);
  box-shadow: 4px 4px 0 var(--ink);
}

.secondary-cta {
  background: var(--paper);
}

.primary-cta:hover,
.primary-cta:focus-visible,
.secondary-cta:hover,
.secondary-cta:focus-visible,
.inspector-open-cycle:hover,
.inspector-open-cycle:focus-visible {
  background: var(--warning);
}

.primary-cta:active,
.inspector-open-cycle:active {
  box-shadow: 0 0 0 var(--ink);
  transform: translate(4px, 4px);
}

[data-atlas-entry][aria-disabled="true"] {
  cursor: wait;
  opacity: 0.54;
  pointer-events: none;
}

.hero-map {
  position: relative;
  overflow: hidden;
  min-height: 620px;
  border: 2px solid var(--ink);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: 8px 8px 0 var(--ink);
}

.hero-map-head {
  position: absolute;
  z-index: 2;
  top: 22px;
  right: 24px;
  left: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font: 800 0.7rem/1.2 var(--type-code);
  letter-spacing: 0.08em;
}

.hero-map-head span {
  color: var(--info);
}

.hero-map-head i {
  font-style: normal;
}

.hero-map svg {
  width: 100%;
  height: 620px;
}

.hero-load-state {
  position: absolute;
  z-index: 4;
  inset: 88px 24px 66px;
  display: grid;
  gap: 18px;
  align-content: center;
  justify-items: center;
  padding: 28px;
  border: 2px dashed var(--ink);
  border-radius: 16px;
  background: var(--paper);
  color: var(--ink);
  text-align: center;
}

.hero-load-state[hidden] {
  display: none;
}

.hero-load-state p {
  max-width: 34ch;
  margin: 0;
  font-weight: 760;
}

.hero-load-state button {
  min-height: 44px;
  padding: 0 18px;
  border: 2px solid var(--ink);
  border-radius: 11px;
  background: var(--signal);
  box-shadow: 3px 3px 0 var(--ink);
  color: var(--ink);
  font-weight: 800;
}

.preview-link {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
}

.preview-node {
  color: var(--ink);
}

.preview-node rect {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 2;
  transition: fill var(--cl-duration-ui) var(--cl-ease-enter);
}

.preview-node .preview-hit {
  fill: transparent;
  stroke: none;
  pointer-events: all;
}

.preview-node.is-current rect {
  fill: var(--signal);
}

.preview-node:hover rect,
.preview-node:focus-visible rect {
  fill: var(--warning);
}

.preview-node:focus-visible rect {
  stroke: var(--info);
  stroke-width: 5;
}

.preview-node-label {
  fill: var(--ink);
  font: 760 16px var(--type-reading);
}

.preview-node-hint {
  fill: var(--ink);
  font: 800 10px var(--type-code);
  letter-spacing: 0.05em;
}

.preview-node-hint-icon {
  fill: none;
  stroke: var(--ink);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.hero-map-note {
  position: absolute;
  right: 24px;
  bottom: 20px;
  left: 24px;
  display: flex;
  gap: 12px;
  margin: 0;
  color: var(--muted);
  font: 700 0.72rem/1.4 var(--type-code);
}

.hero-map-note b {
  color: var(--ink);
}

.truth-rail {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-block: 2px solid var(--ink);
  background: var(--paper);
}

.truth-rail span {
  min-width: 0;
  padding: 18px 12px;
  border-right: 1px solid var(--ink);
  color: var(--muted);
  font: 800 0.69rem/1.2 var(--type-code);
  letter-spacing: 0.06em;
  text-align: center;
}

.truth-rail span:nth-child(3) {
  background: var(--signal);
  color: var(--ink);
}

.truth-rail span:last-child {
  border-right: 0;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(150px, 0.23fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 100px);
  max-width: 1680px;
  margin: 0 auto;
  padding: clamp(76px, 9vw, 144px) clamp(24px, 6vw, 104px);
}

.section-content h2,
.reading-hero h1,
.docs-view .reading-hero h1 {
  max-width: 13ch;
  margin: 0;
  font-family: var(--type-display);
  font-size: var(--cl-type-title);
  font-weight: 800;
  letter-spacing: var(--cl-tracking-title);
  line-height: 1;
}

.manifesto {
  min-height: 82dvh;
}

.manifesto-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 5vw, 78px);
  margin-top: clamp(54px, 7vw, 96px);
  border-top: 2px solid var(--ink);
  padding-top: 28px;
}

.manifesto-columns p {
  max-width: 44ch;
  color: var(--text-body-strong);
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  line-height: 1.62;
}

.grammar {
  border-block: 2px solid var(--ink);
  background: var(--paper);
}

.grammar-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.33fr);
  gap: 22px;
  margin-top: 56px;
}

[data-run-grammar] {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

[data-run-grammar] button {
  display: grid;
  grid-template-rows: auto 1fr;
  width: 100%;
  min-height: 142px;
  padding: 18px;
  border: 2px solid var(--ink);
  border-radius: 17px;
  background: var(--paper);
  color: var(--ink);
  text-align: left;
}

[data-run-grammar] button b {
  color: var(--info);
  font: 800 1rem/1 var(--type-code);
}

[data-run-grammar] button span {
  align-self: end;
  font-size: 1rem;
  font-weight: 760;
}

[data-run-grammar] button:hover,
[data-run-grammar] button:focus-visible {
  background: var(--cl-paper-yellow);
}

[data-run-grammar] button[aria-pressed="true"] {
  background: var(--signal);
  box-shadow: 4px 4px 0 var(--ink);
}

.stage-readout {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 298px;
  padding: 28px;
  border: 2px solid var(--ink);
  border-radius: 22px;
  background: var(--cl-paper-blue);
}

.stage-readout span {
  color: var(--info);
  font: 800 clamp(2.8rem, 5vw, 5rem)/1 var(--type-display);
}

.stage-readout p {
  align-self: end;
  margin: 0;
  font-size: clamp(1.15rem, 1.45vw, 1.35rem);
  line-height: 1.35;
}

.evolution {
  max-width: none;
  min-height: 82dvh;
  color: var(--paper);
  background: var(--info);
}

.evolution .section-label {
  color: color-mix(in srgb, var(--paper) 72%, transparent);
}

.evolution-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.45fr);
  gap: 34px 70px;
  align-items: end;
}

.evolution-content h2 {
  max-width: 12ch;
  color: var(--paper);
}

.evolution-content > p:not(.evolution-word) {
  max-width: 45ch;
  margin: 0;
  color: color-mix(in srgb, var(--paper) 86%, transparent);
  font-size: 1.15rem;
  line-height: 1.62;
}

.evolution-word {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--warning);
  font: 800 0.75rem/1 var(--type-code);
  letter-spacing: 0.09em;
}

.inverse-cta {
  grid-column: 2;
  width: 100%;
  background: var(--warning);
  box-shadow: 4px 4px 0 var(--ink);
}

/* Reading and docs */

.reading-view,
.docs-view {
  background: var(--surface-page);
}

.reading-hero {
  display: grid;
  gap: 14px;
  min-height: 0;
  padding: clamp(38px, 4vw, 56px) max(24px, calc((100vw - 1400px) / 2));
  border-bottom: 2px solid var(--ink);
  background: var(--paper);
}

#theory .reading-hero {
  background: var(--cl-paper-blue);
}

#quickstart .reading-hero {
  background: var(--cl-paper-yellow);
}

#docs .reading-hero {
  background: var(--cl-paper-coral);
}

.reading-hero .kicker {
  color: var(--info);
}

.reading-hero h1 {
  max-width: 14ch;
  font-size: clamp(2.5rem, 3.7vw, 4.3rem);
}

.reading-hero > p:last-child {
  max-width: 44ch;
  margin: 0;
  color: var(--muted);
  font-size: var(--cl-type-lead);
}

@media (min-width: 821px) {
  .reading-hero {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.55fr);
    column-gap: clamp(42px, 8vw, 140px);
    align-items: end;
  }

  .reading-hero .kicker,
  .reading-hero h1 {
    grid-column: 1;
  }

  .reading-hero > p:last-child {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: end;
  }
}

.reading-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: clamp(42px, 7vw, 110px);
  max-width: 1280px;
  margin: 0 auto;
  padding: 52px 28px 120px;
}

.reading-load-state {
  align-self: start;
  min-height: 220px;
}

.reading-shell > *,
.prose,
.prose > * {
  min-width: 0;
}

.reading-toc {
  position: sticky;
  top: calc(var(--cl-header) + 28px);
  align-self: start;
  max-height: calc(100dvh - var(--cl-header) - 56px);
  overflow: auto;
  border-left: 2px solid var(--ink);
  padding-left: 18px;
}

.reading-toc-toggle {
  display: none;
}

.reading-toc nav {
  display: grid;
  gap: 6px;
}

.reading-toc nav a {
  min-height: 44px;
  padding: 10px 8px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.35;
  text-decoration: none;
}

.reading-toc nav a:hover,
.reading-toc nav a:focus-visible {
  background: var(--signal);
  color: var(--ink);
}

.prose {
  width: 100%;
  max-width: var(--reading-measure);
  overflow-wrap: anywhere;
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: var(--reading-leading);
}

.prose > h1:first-child {
  display: none;
}

.prose h2,
.prose h3 {
  max-width: 22ch;
  margin: 2.8em 0 0.75em;
  font-family: var(--type-display);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.prose h2 {
  padding-top: 0.35em;
  border-top: 2px solid var(--ink);
  font-size: clamp(2rem, 3.5vw, 3.5rem);
}

.prose h3 {
  font-size: clamp(1.45rem, 2.2vw, 2rem);
}

.prose p,
.prose li {
  max-width: var(--reading-measure);
}

.prose a {
  color: var(--info);
  text-decoration: underline;
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.18em;
}

.prose blockquote {
  margin: 2.2rem 0;
  padding: 20px 24px;
  border: 2px solid var(--ink);
  border-left: 9px solid var(--danger);
  border-radius: 14px;
  background: var(--paper);
  box-shadow: 4px 4px 0 var(--ink);
}

.prose pre,
.prose .content-table-wrap {
  max-width: 100%;
  overflow: auto;
  border: 2px solid var(--ink);
  border-radius: 14px;
  background: var(--ink);
  color: var(--paper);
}

.prose pre {
  padding: 20px;
}

.prose code {
  font-size: 0.88em;
}

.prose :not(pre) > code {
  padding: 0.12em 0.35em;
  border-radius: 5px;
  background: var(--cl-paper-blue);
  color: var(--ink);
}

.docs-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 52px 28px 120px;
}

.docs-group {
  display: grid;
  grid-template-columns: minmax(150px, 0.24fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 76px);
  padding: 28px 0;
  border-top: 2px solid var(--ink);
}

.docs-group > h2 {
  margin: 0;
  color: var(--info);
  font-family: var(--type-display);
  font-size: clamp(1.55rem, 2.4vw, 2.5rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.docs-list {
  border: 2px solid var(--ink);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: 5px 5px 0 var(--ink);
}

.docs-list article {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  min-height: 78px;
  padding: 12px 18px;
}

.docs-list article + article {
  border-top: 1px solid var(--ink);
}

.doc-index {
  color: var(--info);
  font: 800 0.75rem/1 var(--type-code);
}

.docs-list h3 {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.25;
}

.docs-list a {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  min-height: 44px;
  padding-inline: 10px;
  color: var(--info);
  font-weight: 800;
}

/* Atlas */

.atlas-view {
  min-height: calc(100dvh - var(--cl-header));
  background: var(--surface-void);
  color: var(--paper);
}

.atlas-commandbar {
  display: flex;
  min-height: 44px;
  border-bottom: 1px solid var(--atlas-divider);
  background: var(--ink-soft);
}

.atlas-commandbar p {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 130px;
  margin: 0;
  padding: 0 20px;
  border-right: 1px solid var(--atlas-divider);
  color: var(--atlas-muted);
  font: 700 0.68rem/1 var(--type-code);
  letter-spacing: 0.06em;
}

.atlas-commandbar p span {
  color: var(--atlas-muted);
}

.atlas-commandbar p strong {
  color: var(--paper);
}

.atlas-commandbar .atlas-live-state {
  margin-right: auto;
  color: var(--signal);
}

.atlas-live-state i {
  width: 10px;
  height: 10px;
  border: 2px solid var(--signal);
  border-radius: 50%;
  background: var(--signal);
}

.atlas-workbench {
  min-height: calc(100dvh - var(--cl-header));
}

.atlas-navigation {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  min-height: 50px;
  padding: 3px clamp(14px, 2.5vw, 38px);
  border-bottom: 1px solid var(--atlas-divider);
}

.atlas-up {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--atlas-border);
  border-radius: 11px;
  color: var(--paper);
  font-size: 0.8rem;
  font-weight: 760;
  text-decoration: none;
}

.atlas-up:hover,
.atlas-up:focus-visible {
  border-color: var(--signal);
  color: var(--signal);
}

.atlas-breadcrumbs {
  display: flex;
  min-width: 0;
  gap: 9px;
  align-items: center;
  overflow: hidden;
  white-space: nowrap;
}

.atlas-breadcrumbs a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: 8px;
  overflow: hidden;
  max-width: 34ch;
  color: var(--atlas-muted);
  font-size: 0.82rem;
  text-decoration: none;
  text-overflow: ellipsis;
}

.atlas-breadcrumbs a[aria-current="page"] {
  color: var(--signal);
  font-weight: 800;
}

.atlas-navigation > p {
  max-width: 38ch;
  margin: 0;
  overflow: hidden;
  color: var(--atlas-muted);
  font: 0.66rem/1.3 var(--type-code);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.atlas-console {
  position: relative;
  width: 100%;
}

.route-preview {
  padding: clamp(18px, 2.3vw, 30px) clamp(18px, 3vw, 46px);
  border-bottom: 1px solid var(--atlas-divider);
  background: var(--ink-soft);
  color: var(--paper);
}

.route-preview-form {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(420px, 1.28fr);
  gap: clamp(22px, 3vw, 52px);
  align-items: end;
  max-width: 1480px;
  margin: 0 auto;
}

.route-preview-copy label {
  display: block;
  color: var(--paper);
  font-size: clamp(1.08rem, 1.6vw, 1.45rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.route-preview-copy p {
  max-width: 48ch;
  margin: 8px 0 0;
  color: var(--atlas-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.route-preview-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: stretch;
}

.route-preview textarea {
  width: 100%;
  min-height: 58px;
  max-height: 168px;
  resize: vertical;
  padding: 14px 16px;
  border: 2px solid var(--paper);
  border-radius: 12px;
  outline: 0;
  background: var(--surface-void);
  color: var(--paper);
  font: 650 0.95rem/1.4 var(--type-reading);
}

.route-preview textarea::placeholder {
  color: var(--atlas-muted);
  opacity: 1;
}

.route-preview textarea:focus-visible {
  border-color: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-soft);
}

.route-preview [type="submit"],
.route-preview-clear,
.route-preview-choices button,
.route-preview-local {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 48px;
  padding: 0 18px;
  border: 2px solid var(--paper);
  border-radius: 12px;
  color: var(--paper);
  font-size: 0.84rem;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.route-preview [type="submit"] {
  border-color: var(--signal);
  background: var(--signal);
  color: var(--ink);
}

.route-preview [type="submit"]:disabled {
  cursor: not-allowed;
  border-color: var(--atlas-border);
  background: var(--atlas-border);
  color: var(--surface-void);
}

.route-preview [type="submit"]:not(:disabled):hover,
.route-preview [type="submit"]:not(:disabled):focus-visible {
  border-color: var(--paper);
  background: var(--paper);
}

.route-preview-feedback {
  max-width: 1480px;
  margin: 18px auto 0;
  padding: 14px;
  border: 2px solid var(--warning);
  border-radius: 12px;
  background: color-mix(in srgb, var(--warning) 12%, var(--surface-void));
}

.route-preview-feedback[hidden],
.route-preview-result[hidden] {
  display: none;
}

.route-preview-feedback p {
  margin: 0;
  color: var(--paper);
  font-weight: 700;
  line-height: 1.45;
}

.route-preview-feedback[data-state="success"] {
  padding: 0;
  border: 0;
  background: transparent;
}

.route-preview-feedback[data-state="success"] p {
  color: var(--signal);
  font: 800 0.72rem/1.4 var(--type-code);
  letter-spacing: 0.04em;
}

.route-preview-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.route-preview-choices:empty {
  display: none;
}

.route-preview-choices button,
.route-preview-clear,
.route-preview-local {
  background: transparent;
}

.route-preview-choices button:hover,
.route-preview-choices button:focus-visible,
.route-preview-clear:hover,
.route-preview-clear:focus-visible,
.route-preview-local:hover,
.route-preview-local:focus-visible {
  border-color: var(--warning);
  color: var(--warning);
}

.route-preview-result {
  max-width: 1480px;
  margin: 22px auto 0;
  padding-top: 20px;
  border-top: 2px dashed var(--warning);
}

.route-preview-result-head {
  display: flex;
  gap: 24px;
  align-items: end;
  justify-content: space-between;
}

.route-preview-state {
  width: fit-content;
  margin: 0 0 7px;
  padding: 5px 8px;
  border-radius: 6px;
  background: var(--warning);
  color: var(--ink);
  font: 800 0.66rem/1.2 var(--type-code);
  letter-spacing: 0.06em;
}

.route-preview-result h2 {
  margin: 0;
  color: var(--paper);
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.route-preview-clear {
  min-height: 44px;
  padding-inline: 14px;
}

.route-preview-area {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: baseline;
  margin: 22px 0 0;
  color: var(--atlas-muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.route-preview-area strong,
.route-preview-actions-title {
  color: var(--warning);
  font: 800 0.66rem/1.3 var(--type-code);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.route-preview-area a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding-inline: 4px;
  color: var(--paper);
  text-underline-offset: 0.22em;
}

.route-preview-separator {
  margin-inline: 6px;
  color: var(--warning);
}

.route-preview-actions-title {
  margin: 22px 0 0;
}

.route-preview-list {
  display: flex;
  margin: 12px 0 0;
  padding: 0;
  overflow-x: auto;
  list-style: none;
  scrollbar-color: var(--warning) var(--surface-void);
}

.route-preview-list li {
  position: relative;
  flex: 1 0 180px;
  min-width: 180px;
  border-top: 2px dashed var(--warning);
}

.route-preview-list li::before {
  position: absolute;
  top: -7px;
  left: 18px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--surface-void);
  border-radius: 3px;
  background: var(--warning);
  content: "";
}

.route-preview-list a {
  display: grid;
  gap: 6px;
  min-height: 112px;
  padding: 18px 18px 14px;
  color: var(--paper);
  text-decoration: none;
}

.route-preview-list a:hover,
.route-preview-list a:focus-visible {
  background: color-mix(in srgb, var(--warning) 12%, transparent);
}

.route-preview-list span {
  color: var(--warning);
  font: 800 0.62rem/1.2 var(--type-code);
  letter-spacing: 0.05em;
}

.route-preview-list strong {
  font-size: 0.9rem;
  line-height: 1.25;
}

.route-preview-list small {
  color: var(--atlas-muted);
  font-size: 0.74rem;
  line-height: 1.35;
}

.route-preview-list [data-route-target="true"] a {
  background: color-mix(in srgb, var(--warning) 16%, transparent);
}

.route-preview-effects {
  max-width: 80ch;
  margin: 18px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--warning);
  background: color-mix(in srgb, var(--warning) 9%, transparent);
  color: var(--paper);
  font-size: 0.82rem;
  line-height: 1.5;
}

.route-preview-notice {
  max-width: 72ch;
  margin: 18px 0 0;
  color: var(--atlas-muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.route-preview-local {
  width: fit-content;
  min-height: 44px;
  margin-top: 12px;
  padding-inline: 14px;
}

.atlas-stage {
  position: relative;
  width: 100%;
  min-height: 660px;
  overflow: hidden;
  background: var(--surface-void);
}

.atlas-map-head {
  position: absolute;
  z-index: 2;
  top: 18px;
  right: clamp(18px, 3vw, 42px);
  left: clamp(18px, 3vw, 42px);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  pointer-events: none;
}

.atlas-map-head p {
  max-width: 54ch;
  margin: 0;
  color: var(--atlas-instruction);
  font-size: 0.78rem;
}

.atlas-map-head .instrument-label {
  color: var(--signal);
}

.atlas-graph {
  width: 100%;
  overflow: visible;
}

.atlas-stage[data-layout="desktop"] .atlas-graph {
  height: max(660px, calc(100dvh - var(--cl-header) - 94px));
}

.atlas-stage[data-layout="tablet"] .atlas-graph,
.atlas-stage[data-layout="mobile"] .atlas-graph {
  height: var(--atlas-graph-height);
}

.atlas-stage[data-layout="landscape"] {
  --atlas-graph-height: min(
    248px,
    calc(100dvh - var(--cl-header) - 144px)
  );
  min-height: var(--atlas-graph-height);
  overflow: hidden;
}

.atlas-stage[data-layout="landscape"] .atlas-graph {
  width: 100%;
  height: var(--atlas-graph-height);
}

.level-constellation {
  transform-box: fill-box;
  transform-origin: center;
}

.graph-link {
  fill: none;
  stroke: var(--atlas-thread);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.graph-link-dot {
  fill: var(--signal);
}

.node-hit {
  fill: transparent;
  stroke: transparent;
}

.node-shadow {
  fill: var(--cl-ink);
}

.node-case {
  fill: var(--paper);
  stroke: var(--paper);
  stroke-width: 2;
  transition:
    fill var(--cl-duration-ui) var(--cl-ease-enter),
    stroke var(--cl-duration-ui) var(--cl-ease-enter),
    transform var(--cl-duration-ui) var(--cl-ease-enter);
}

.node-inner {
  fill: none;
  stroke: var(--atlas-node-line);
  stroke-width: 1;
}

.graph-node {
  cursor: pointer;
}

.graph-node:hover .node-case,
.graph-node:focus-visible .node-case {
  fill: var(--warning);
  stroke: var(--warning);
}

.graph-node:focus-visible {
  outline: none;
}

.graph-node:focus-visible .node-inner {
  stroke: var(--info);
  stroke-width: 5;
}

.graph-node.is-current .node-case {
  fill: var(--signal);
  stroke: var(--signal);
}

.graph-node.is-current .node-inner {
  stroke: var(--ink);
  stroke-width: 2;
}

.atlas-stage[data-has-proposed-route] .node-assembly:not(.is-proposed-route),
.atlas-stage[data-has-proposed-route] .graph-link:not(.is-proposed-route),
.atlas-stage[data-has-proposed-route] .graph-link-dot:not(.is-proposed-route) {
  opacity: 0.28;
}

.graph-link.is-proposed-route {
  stroke: var(--warning);
  stroke-width: 4;
  stroke-dasharray: 10 7;
}

.graph-link-dot.is-proposed-route {
  fill: var(--warning);
}

.graph-node.is-proposed-route .node-case,
.graph-node.is-current.is-proposed-route .node-case {
  fill: var(--paper);
  stroke: var(--warning);
  stroke-width: 4;
  stroke-dasharray: 10 7;
}

.graph-node.is-proposed-route .node-inner,
.graph-node.is-current.is-proposed-route .node-inner {
  stroke: var(--warning);
  stroke-width: 2;
}

.node-count,
.node-state {
  fill: var(--ink);
  font: 800 12px var(--type-code);
  letter-spacing: 0.05em;
}

.node-label {
  fill: var(--ink);
  font: 760 18px var(--type-reading);
}

.graph-node.is-current .node-label {
  font-size: 21px;
  font-weight: 800;
}

.node-assembly.is-landscape .node-count,
.node-assembly.is-landscape .node-state {
  font-size: 10px;
}

.node-assembly.is-landscape .node-label {
  font-size: 15px;
}

.node-assembly.is-landscape .graph-node.is-current .node-label {
  font-size: 18px;
}

.atlas-empty {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(420px, calc(100% - 40px));
  padding: 22px;
  border: 2px solid var(--paper);
  border-radius: 16px;
  background: var(--ink-soft);
  color: var(--paper);
  text-align: center;
  transform: translate(-50%, 100px);
}

[data-motion="forward"] .level-constellation {
  animation: graph-forward var(--cl-duration-level) var(--cl-ease-move);
}

[data-motion="back"] .level-constellation {
  animation: graph-back var(--cl-duration-level) var(--cl-ease-move);
}

@keyframes graph-forward {
  from { opacity: 0; transform: translateX(7%); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes graph-back {
  from { opacity: 0; transform: translateX(-7%); }
  to { opacity: 1; transform: translateX(0); }
}

.atlas-inspector-scrim {
  position: fixed;
  z-index: 170;
  inset: 0;
  border: 0;
  background: var(--modal-scrim);
}

.atlas-inspector {
  position: fixed;
  z-index: 180;
  top: 0;
  right: 0;
  width: min(460px, 100%);
  height: 100dvh;
  overflow-y: auto;
  padding: 72px 30px 34px;
  border-left: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  box-shadow: -8px 0 0 var(--signal);
  visibility: hidden;
  transform: translateX(calc(100% + 12px));
  transition:
    transform var(--cl-duration-level) var(--cl-ease-enter),
    visibility 0s linear var(--cl-duration-level);
}

.atlas-inspector[aria-hidden="true"] {
  pointer-events: none;
}

.atlas-inspector.is-open {
  visibility: visible;
  transform: translateX(0);
  transition-delay: 0s;
}

.inspector-close {
  position: absolute;
  top: 18px;
  right: 20px;
  width: 46px;
  height: 46px;
  border: 2px solid var(--ink);
  border-radius: 12px;
  background: var(--paper);
  box-shadow: 3px 3px 0 var(--ink);
  color: var(--ink);
  font-size: 1.5rem;
}

.inspector-close:hover,
.inspector-close:focus-visible {
  background: var(--signal);
}

.inspector-status {
  display: flex;
  gap: 9px;
  align-items: center;
  color: var(--muted);
  font: 800 0.7rem/1 var(--type-code);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.inspector-status i {
  width: 11px;
  height: 11px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--signal);
}

.inspector-code {
  margin: 38px 0 8px;
  color: var(--info);
  font: 800 0.8rem/1 var(--type-code);
  letter-spacing: 0.08em;
}

.atlas-inspector h2 {
  max-width: 100%;
  margin: 0;
  font-family: var(--type-display);
  font-size: clamp(1.75rem, 3.2vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1.02;
  hyphens: none;
  overflow-wrap: normal;
  word-break: normal;
}

.inspector-dial {
  display: grid;
  width: 112px;
  height: 112px;
  margin: 28px 0;
  border: 2px solid var(--ink);
  border-radius: 28px;
  background: var(--signal);
  box-shadow: 5px 5px 0 var(--ink);
  place-items: center;
}

.inspector-dial .ui-icon {
  font-size: 2.8rem;
}

.inspector-purpose {
  margin: 0 0 28px;
  color: var(--atlas-node-detail);
  font-size: 1.06rem;
  line-height: 1.55;
}

.inspector-contract {
  margin: 0 0 22px;
  border-top: 2px solid var(--ink);
}

.inspector-contract div,
.resource-panel dl div,
.contract-grid div {
  display: grid;
  grid-template-columns: 105px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.atlas-inspector dt {
  color: var(--muted);
  font: 800 0.68rem/1.4 var(--type-code);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.atlas-inspector dd {
  margin: 0;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.inspector-open-cycle {
  width: 100%;
  margin: 4px 0 24px;
}

.inspector-more-cue {
  display: none;
  color: var(--muted);
  font: 800 0.7rem/1.35 var(--type-code);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.resource-panel,
.technical-details {
  margin: 12px 0;
  border: 2px solid var(--ink);
  border-radius: 14px;
  background: var(--paper);
}

.resource-panel summary,
.technical-details summary {
  min-height: 48px;
  padding: 14px 16px;
  font-weight: 760;
}

.resource-panel > :not(summary),
.technical-details > :not(summary) {
  margin-inline: 16px;
}

.resource-panel ul {
  margin: 0;
  padding-left: 18px;
}

.inner-grammar {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 2px solid var(--ink);
}

.inner-grammar ol {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 5px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.inner-grammar li {
  overflow: hidden;
  color: transparent;
  font-size: 0;
}

.inner-grammar li span {
  display: grid;
  min-height: 38px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  color: var(--ink);
  font: 800 0.72rem/1 var(--type-code);
  place-items: center;
}

.atlas-back {
  display: inline-flex;
  min-height: 44px;
  margin-top: 22px;
  color: var(--info);
  font-weight: 760;
}

.evolution-circuit,
.full-outline {
  margin: 0;
  padding: clamp(62px, 8vw, 110px) clamp(20px, 5vw, 84px);
  border-top: 2px solid var(--ink);
  background: var(--canvas);
  color: var(--ink);
}

.evolution-circuit {
  display: grid;
  grid-template-columns: minmax(240px, 0.35fr) minmax(0, 1fr);
  gap: 48px;
}

.evolution-circuit h2 {
  max-width: 13ch;
  margin: 0;
  font-family: var(--type-display);
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.evolution-circuit ol {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.circuit-link {
  display: grid;
  min-height: 190px;
  padding: 20px;
  border: 2px solid var(--ink);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: 5px 5px 0 var(--ink);
  color: var(--ink);
  text-decoration: none;
}

.circuit-link > span {
  color: var(--info);
  font: 800 0.8rem/1 var(--type-code);
}

.circuit-link strong {
  align-self: end;
  font-size: 1.05rem;
}

.circuit-link small {
  margin-top: 8px;
  color: var(--muted);
}

.activation-stop {
  margin: 16px 0 0;
  padding: 12px;
  border: 2px solid var(--ink);
  border-radius: 12px;
  background: var(--cl-paper-coral);
  font-size: 0.85rem;
}

.full-outline {
  padding-top: 0;
}

.full-outline > summary {
  min-height: 54px;
  padding: 15px 18px;
  border: 2px solid var(--ink);
  border-radius: 14px;
  background: var(--paper);
  font-weight: 800;
}

.full-outline > div {
  padding: 20px;
  border-inline: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  border-radius: 0 0 14px 14px;
  background: var(--paper);
}

.full-outline a {
  display: flex;
  align-items: center;
  min-height: 44px;
  color: var(--info);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: center;
  min-height: 84px;
  padding: 16px clamp(20px, 4vw, 62px);
  border-top: 2px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font: 800 0.72rem/1.3 var(--type-code);
  letter-spacing: 0.06em;
}

.site-footer a {
  display: inline-flex;
  align-items: center;
  min-width: 44px;
  min-height: 44px;
  justify-self: end;
  color: var(--signal);
}

.load-error {
  padding: 24px;
  border: 2px solid var(--ink);
  border-radius: 14px;
  background: var(--cl-paper-coral);
  color: var(--ink);
}

.route-load-state {
  display: grid;
  gap: 16px;
  align-content: center;
  justify-items: center;
  min-height: 180px;
  padding: 28px;
  border: 2px dashed currentcolor;
  border-radius: 16px;
  text-align: center;
}

.route-load-state[hidden] {
  display: none;
}

.route-load-state p {
  max-width: 40ch;
  margin: 0;
  font-weight: 760;
}

.route-load-state button {
  min-height: 44px;
  padding: 0 18px;
  border: 2px solid var(--ink);
  border-radius: 11px;
  background: var(--signal);
  box-shadow: 3px 3px 0 var(--ink);
  color: var(--ink);
  font-weight: 800;
}

.atlas-load-state {
  position: absolute;
  z-index: 12;
  inset: 92px clamp(18px, 4vw, 70px) 34px;
  min-height: 0;
  border-color: var(--signal);
  background: var(--surface-void);
  color: var(--paper);
}

.docs-load-state {
  grid-column: 1 / -1;
  width: 100%;
}

@media (max-width: 1199px) {
  .hero {
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
    gap: 42px;
    padding-inline: clamp(24px, 4vw, 58px);
  }

  .hero h1 {
    font-size: clamp(3.5rem, 7vw, 5.8rem);
  }

  .hero-map {
    min-height: 540px;
  }

  .hero-map svg {
    height: 540px;
  }

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

  .stage-readout {
    height: 210px;
  }

  .atlas-map-head {
    position: relative;
    top: auto;
    right: auto;
    left: auto;
    padding: 18px 24px 0;
  }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto auto;
    gap: 10px;
    padding-inline: 16px;
  }

  .menu-switch {
    display: inline-grid;
    min-width: 64px;
    padding-inline: 12px;
    place-items: center;
  }

  .view-tabs {
    position: fixed;
    z-index: 110;
    top: calc(var(--cl-header) + env(safe-area-inset-top));
    right: 12px;
    left: 12px;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 10px;
    border: 2px solid var(--ink);
    border-radius: 16px;
    background: var(--paper);
    box-shadow: 6px 6px 0 var(--ink);
  }

  .view-tabs.is-open {
    display: flex;
  }

  .no-js .menu-switch {
    display: none;
  }

  .no-js .site-header {
    grid-template-columns: 1fr;
    gap: 8px;
    min-height: auto;
    padding-block: 10px;
  }

  .no-js .header-actions {
    display: none;
  }

  .no-js .brand {
    min-height: 44px;
  }

  .no-js .brand > span:last-child {
    display: block;
  }

  .no-js .view-tabs {
    position: static;
    display: grid;
    grid-column: 1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    width: 100%;
    padding: 0;
    border: 0;
    box-shadow: none;
  }

  .view-tab {
    display: flex;
    justify-content: flex-start;
    min-height: 48px;
    padding: 0 14px;
    border-radius: 10px;
  }

  .no-js .view-tab {
    min-height: 44px;
    justify-content: center;
    padding-inline: 8px;
    border: 1px solid var(--border-strong);
    text-align: center;
  }

  .no-js .view-tab[data-view-link="concept"] {
    display: none;
  }

  .view-tab::after {
    top: 12px;
    right: 12px;
    bottom: 12px;
    left: auto;
    width: 6px;
    height: auto;
  }

  .view-tab.is-active {
    background: var(--signal);
  }

  .hero {
    grid-template-columns: 1fr;
    padding-block: 68px 90px;
  }

  .hero-copy {
    max-width: 680px;
  }

  .hero-map {
    min-height: 520px;
  }

  .hero-map svg {
    height: 520px;
  }

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

  .truth-rail span:nth-child(3) {
    border-right: 0;
  }

  .truth-rail span:nth-child(-n + 3) {
    border-bottom: 1px solid var(--ink);
  }

  .section-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .manifesto-columns {
    grid-template-columns: 1fr;
  }

  .evolution-content {
    grid-template-columns: 1fr;
  }

  .inverse-cta {
    grid-column: 1;
  }

  .reading-shell {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 30px;
  }

  .reading-toc {
    position: static;
    max-height: none;
    overflow: visible;
    border: 2px solid var(--ink);
    border-radius: 14px;
    padding: 0;
    background: var(--paper);
  }

  .reading-toc-toggle {
    display: flex;
    width: 100%;
    min-height: 52px;
    padding: 0 16px;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: var(--ink);
    font-weight: 800;
    justify-content: space-between;
    align-items: center;
  }

  .reading-toc nav {
    display: none;
    padding: 0 10px 12px;
  }

  .reading-toc.is-open nav {
    display: grid;
  }

  .docs-group {
    grid-template-columns: 1fr;
    gap: 18px;
  }

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

  .atlas-navigation > p {
    display: none;
  }

  .evolution-circuit {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .brand > span:last-child {
    display: none;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .hero {
    gap: 28px;
    padding: 34px 18px 68px;
  }

  .docs-view .reading-hero {
    min-height: 0;
    padding-block: 38px;
  }

  .hero-kicker {
    font-size: 0.64rem;
  }

  .hero h1,
  html[lang="ru"] .hero h1 {
    max-width: 10ch;
    font-size: clamp(2.85rem, 14.2vw, 4.35rem);
  }

  .hero-kicker {
    margin-bottom: 16px;
  }

  .hero-bottom {
    margin-top: 22px;
  }

  .hero-bottom > p {
    font-size: 1rem;
    line-height: 1.48;
  }

  .hero-actions {
    margin-top: 22px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-cta,
  .secondary-cta {
    width: 100%;
  }

  .secondary-cta {
    display: none;
  }

  .hero-map {
    min-height: 360px;
    border-radius: 20px;
    box-shadow: 5px 5px 0 var(--ink);
  }

  .hero-map svg {
    height: 360px;
  }

  .hero-map-head {
    top: 16px;
    right: 16px;
    left: 16px;
  }

  .hero-map-note {
    right: 16px;
    bottom: 14px;
    left: 16px;
  }

  .truth-rail span {
    padding-inline: 7px;
    font-size: 0.58rem;
  }

  .section-grid {
    padding: 68px 18px;
  }

  .section-content h2 {
    font-size: clamp(2.65rem, 13vw, 4.4rem);
  }

  [data-run-grammar] {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  [data-run-grammar] button {
    min-height: 132px;
  }

  .stage-readout {
    height: 220px;
  }

  .reading-hero {
    min-height: 0;
    padding: 44px 18px;
  }

  .reading-shell {
    padding: 24px 18px 88px;
  }

  .prose {
    font-size: 1rem;
  }

  .docs-grid {
    padding: 42px 18px 90px;
  }

  .docs-list article {
    grid-template-columns: 32px minmax(0, 1fr) 44px;
    gap: 8px;
    min-height: 72px;
    padding: 10px 12px;
  }

  .docs-list a {
    justify-content: center;
    padding: 0;
  }

  .docs-list a span:first-child {
    display: none;
  }

  .atlas-commandbar p {
    display: none;
  }

  .atlas-commandbar .atlas-live-state,
  .atlas-commandbar p:nth-child(4) {
    display: flex;
    flex: 1;
    min-width: 0;
    justify-content: center;
  }

  .atlas-navigation {
    min-height: 54px;
    padding-inline: 10px;
    gap: 8px;
  }

  .atlas-up {
    width: 44px;
    padding: 0;
    justify-content: center;
  }

  .atlas-up span:last-child {
    display: none;
  }

  .atlas-breadcrumbs a {
    max-width: none;
    font-size: 0.76rem;
    line-height: 1.25;
    white-space: normal;
  }

  .atlas-breadcrumbs > :not(:last-child) {
    display: none;
  }

  .atlas-map-head {
    display: block;
    padding: 12px 16px 0;
  }

  .atlas-map-head > p {
    display: none;
  }

  .atlas-stage {
    min-height: 480px;
  }

  .atlas-inspector {
    top: auto;
    bottom: 0;
    width: 100%;
    height: min(78dvh, 690px);
    padding: 70px 20px calc(28px + env(safe-area-inset-bottom));
    border-top: 2px solid var(--ink);
    border-left: 0;
    box-shadow: 0 -7px 0 var(--signal);
    transform: translateY(calc(100% + 12px));
  }

  .atlas-inspector.is-open {
    visibility: visible;
    transform: translateY(0);
  }

  .inspector-contract div,
  .resource-panel dl div,
  .contract-grid div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .evolution-circuit,
  .full-outline {
    padding-inline: 18px;
  }

  .evolution-circuit ol {
    grid-template-columns: 1fr;
  }

  .circuit-link {
    min-height: 150px;
  }

  .site-footer {
    grid-template-columns: 1fr auto;
  }

  .site-footer span:nth-child(2) {
    display: none;
  }
}

@media (max-height: 520px) and (orientation: landscape) {
  :root {
    --cl-header: 56px;
  }

  .site-header {
    grid-template-columns: 1fr auto auto;
    gap: 10px;
    padding-inline: 16px;
  }

  .brand {
    min-height: var(--cl-header);
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand-mark i:nth-child(1) {
    top: 15px;
    left: 7px;
  }

  .brand-mark i:nth-child(2) {
    top: 7px;
    left: 15px;
  }

  .brand-mark i:nth-child(3) {
    top: 11px;
    left: 11px;
  }

  .menu-switch {
    display: inline-grid;
    min-width: 64px;
    padding-inline: 12px;
    place-items: center;
  }

  .view-tabs {
    position: fixed;
    z-index: 110;
    top: calc(var(--cl-header) + env(safe-area-inset-top));
    right: 12px;
    left: 12px;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 10px;
    border: 2px solid var(--ink);
    border-radius: 16px;
    background: var(--paper);
    box-shadow: 6px 6px 0 var(--ink);
  }

  .view-tabs.is-open {
    display: flex;
  }

  .view-tab {
    display: flex;
    justify-content: flex-start;
    min-height: 44px;
    padding: 0 14px;
    border-radius: 10px;
  }

  .view-tab::after {
    top: 10px;
    right: 12px;
    bottom: 10px;
    left: auto;
    width: 6px;
    height: auto;
  }

  .view-tab.is-active {
    background: var(--signal);
  }

  .hero {
    grid-template-columns: minmax(0, 0.82fr) minmax(380px, 1.18fr);
    gap: 24px;
    min-height: calc(100dvh - var(--cl-header));
    padding: 18px 24px;
  }

  .hero-kicker {
    margin-bottom: 10px;
    font-size: 0.56rem;
  }

  .hero h1,
  html[lang="ru"] .hero h1 {
    max-width: 10ch;
    font-size: clamp(2.3rem, 5.4vw, 3rem);
    line-height: var(--cl-leading-tight);
  }

  .hero-bottom {
    margin-top: 14px;
  }

  .hero-bottom > p {
    font-size: 0.82rem;
    line-height: 1.35;
  }

  .hero-actions {
    margin-top: 14px;
  }

  .route-preview {
    padding: 4px 16px;
  }

  .route-preview-form {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 14px;
    align-items: center;
  }

  .route-preview-copy label {
    font-size: 0.78rem;
    white-space: nowrap;
  }

  .route-preview-copy p {
    display: none;
  }

  .route-preview textarea {
    min-height: 44px;
    height: 44px;
    padding-block: 10px;
    resize: none;
  }

  .primary-cta {
    min-width: 0;
    min-height: 44px;
    width: 100%;
  }

  .secondary-cta {
    display: none;
  }

  .hero-map,
  .hero-map svg {
    min-height: 278px;
    height: 278px;
  }

  .hero-map-head {
    top: 14px;
  }

  .hero-map-note {
    display: none;
  }

  .reading-hero {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 0.62fr);
    gap: 8px 28px;
    align-items: end;
    padding: 24px;
  }

  .reading-hero .kicker,
  .reading-hero h1 {
    grid-column: 1;
  }

  .reading-hero h1 {
    font-size: clamp(2.45rem, 6vw, 3.6rem);
  }

  .reading-hero > p:last-child {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: end;
    font-size: 0.95rem;
  }

  .reading-shell,
  .docs-grid {
    padding-top: 28px;
  }

  .atlas-commandbar {
    min-height: 40px;
  }

  .atlas-commandbar p {
    display: none;
    padding-inline: 14px;
  }

  .atlas-commandbar .atlas-live-state,
  .atlas-commandbar p:nth-child(4) {
    display: flex;
    flex: 1;
    min-width: 0;
    justify-content: center;
  }

  .atlas-navigation {
    grid-template-columns: auto minmax(0, 1fr);
    min-height: 44px;
    gap: 8px;
    padding: 0 10px;
  }

  .atlas-navigation > p {
    display: none;
  }

  .atlas-up {
    width: 44px;
    min-height: 44px;
    padding: 0;
    justify-content: center;
  }

  .atlas-up span:last-child {
    display: none;
  }

  .atlas-breadcrumbs > :not(:last-child) {
    display: none;
  }

  .atlas-breadcrumbs a {
    max-width: none;
    min-height: 44px;
    white-space: normal;
  }

  .atlas-map-head {
    display: none;
  }

  .atlas-stage {
    min-height: 252px;
  }

  .atlas-inspector {
    top: 0;
    right: 0;
    display: grid;
    grid-template-areas:
      "status purpose"
      "code contract"
      "title contract"
      "dial action"
      "cue cue";
    grid-template-columns: minmax(190px, 0.72fr) minmax(280px, 1.28fr);
    gap: 8px 28px;
    align-items: start;
    width: 100vw;
    height: 100dvh;
    padding: 18px 68px 18px 22px;
    border: 0;
    box-shadow: none;
  }

  .inspector-status {
    grid-area: status;
  }

  .inspector-code {
    grid-area: code;
    margin: 0;
  }

  .atlas-inspector h2 {
    grid-area: title;
    max-width: 100%;
    font-size: 1.65rem;
  }

  .inspector-dial {
    grid-area: dial;
    width: 68px;
    height: 68px;
    margin: 0;
    border-radius: 18px;
  }

  .inspector-dial span {
    font-size: 2rem;
  }

  .inspector-purpose {
    grid-area: purpose;
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.4;
  }

  .inspector-contract {
    grid-area: contract;
    margin: 0;
  }

  .inspector-contract div {
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 10px;
    padding: 8px 0;
    font-size: 0.82rem;
  }

  .inspector-open-cycle {
    grid-area: action;
    align-self: end;
    min-height: 44px;
    margin: 0;
  }

  .inspector-more-cue {
    display: block;
    grid-area: cue;
    margin: 2px 0 0;
  }

  .resource-panel,
  .technical-details,
  .inner-grammar,
  .atlas-back {
    grid-column: 1 / -1;
  }

  .resource-panel {
    margin-top: 8px;
  }

  .inspector-close {
    top: 12px;
    right: 14px;
  }
}

.no-js .view {
  display: block !important;
}

.no-js .atlas-view {
  display: none !important;
}

.no-js a[href^="#atlas"] {
  display: none;
}

.no-js .site-header {
  position: relative;
  top: auto;
}

@media (max-width: 820px) {
  .route-preview-form {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 640px) {
  .route-preview {
    padding: 18px 14px 22px;
  }

  .route-preview-controls {
    grid-template-columns: 1fr;
  }

  .route-preview [type="submit"] {
    width: 100%;
  }

  .route-preview-result-head {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
  }

  .route-preview-clear,
  .route-preview-local {
    width: 100%;
  }

  .route-preview-list {
    display: grid;
    overflow: visible;
  }

  .route-preview-list li {
    min-width: 0;
    border-top: 0;
    border-left: 2px dashed var(--warning);
  }

  .route-preview-list li::before {
    top: 20px;
    left: -7px;
  }

  .route-preview-list a {
    min-height: 92px;
    padding: 14px 18px 14px 22px;
  }
}

@media (max-height: 520px) and (orientation: landscape) {
  .route-preview-form {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 14px;
  }
}

.no-js .hero {
  grid-template-columns: 1fr;
}

.no-js .hero-map {
  display: none;
}

.no-js [data-atlas-entry] {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .atlas-inspector {
    transition: none;
  }
}