/* AREZ release candidate — single component system; no inherited V4–V10 overrides. */
@font-face {
  font-family: Outfit;
  src: url("assets/fonts/outfit-regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: Hanken;
  src: url("assets/fonts/hanken-regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
:root {
  color-scheme: dark;
  --ink: #080d0e;
  --surface: #101a1b;
  --surface-raised: #172324;
  --bone: #e6edec;
  --muted: #a6b8b5;
  --cyan: #00ffee;
  --mint: #9acac4;
  --line: #2d3e3e;
  --paper: #e6edec;
  --paper-ink: #142d2b;
  --paper-muted: #48635f;
  --gutter: clamp(20px, 4.5vw, 76px);
  --heading: Outfit, "Avenir Next", sans-serif;
  --body: Hanken, "Avenir Next", system-ui, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font: 18px/1.55 var(--body);
  -webkit-font-smoothing: antialiased;
}
[hidden] {
  display: none !important;
}
h1,
h2,
h3,
h4,
p {
  margin: 0;
}
h1,
h2,
h3,
h4 {
  font-family: var(--heading);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.035em;
}
h2 {
  font-size: clamp(38px, 4.4vw, 64px);
}
p {
  text-wrap: pretty;
}
em {
  color: var(--mint);
  font-style: normal;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
button {
  cursor: pointer;
}
button,
a,
summary,
input {
  -webkit-tap-highlight-color: transparent;
}
button {
  color: inherit;
}
img,
svg {
  display: block;
}
img {
  max-width: 100%;
  object-fit: contain;
}
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 5px;
}
::selection {
  background: var(--cyan);
  color: var(--ink);
}
.wrap {
  width: min(100% - var(--gutter) * 2, 1352px);
  margin-inline: auto;
}
.section {
  padding-block: clamp(76px, 8vw, 124px);
}
.eyebrow,
.section-marker,
.number {
  font: 11px/1.6 var(--mono);
  letter-spacing: 0.09em;
}
.eyebrow {
  color: var(--mint);
}
.note {
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
}
.number {
  color: var(--cyan);
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 20px;
  padding: 12px 20px;
  background: var(--cyan);
  color: var(--ink);
  clip-path: inset(50%);
}
.skip-link:focus {
  clip-path: none;
}
/* Navigation stays in the document flow at narrow widths, including no-JS mode. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}
.header-row {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  color: var(--bone);
}
.brand img {
  width: 44px;
  height: auto;
  flex: none;
}
.brand-type {
  display: flex;
  align-items: baseline;
  gap: 9px;
  border-left: 1px solid var(--line);
  padding-left: 14px;
}
.brand-type strong {
  font: 400 23px/1.2 var(--heading);
  letter-spacing: 0.1em;
}
.brand-type > span {
  font: 400 21px/1.2 var(--heading);
  letter-spacing: -0.025em;
  color: var(--mint);
}
#navigation {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
}
.nav-custom-short {
  display: none;
}
#navigation a {
  padding-block: 13px;
}
#navigation a:hover {
  color: var(--cyan);
}
#navigation .nav-custom {
  color: #78ded7;
}
#navigation .nav-custom:hover,
#navigation .nav-custom:focus-visible {
  color: var(--cyan);
}
#navigation .nav-contact {
  border: 1px solid var(--line);
  padding: 11px 18px;
  margin-left: 22px;
}
.nav-contact span {
  margin-left: 20px;
  color: var(--cyan);
}
.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  padding: 10px 14px;
  min-height: 44px;
}
.menu-toggle span {
  position: relative;
  display: block;
  width: 18px;
  height: 16px;
  font-size: 0;
}
.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: currentColor;
}
.menu-toggle span::before {
  top: 4px;
}
.menu-toggle span::after {
  top: 11px;
}
.menu-toggle[aria-expanded="true"] span::before {
  top: 7px;
  transform: rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span::after {
  top: 7px;
  transform: rotate(-45deg);
}
/* Hero: statement and definition share a single first screen. */
.hero {
  padding-top: clamp(48px, 6.5vw, 96px);
  padding-bottom: 30px;
}
.hero-label {
  display: flex;
  align-items: center;
  gap: 14px;
}
.hero-structure {
  width: 72px;
  height: auto;
  flex: none;
}
.hero-layout {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: clamp(36px, 5vw, 90px);
  align-items: end;
  margin-top: 30px;
}
h1 {
  font-size: clamp(52px, 6.65vw, 100px);
  letter-spacing: -0.055em;
  line-height: 1.02;
}
h1 em {
  color: var(--cyan);
}
.hero-intro {
  padding-bottom: 4px;
}
.hero-definition {
  font-size: clamp(21px, 1.9vw, 28px);
  line-height: 1.35;
  color: var(--bone);
}
.hero-definition strong {
  font-weight: 400;
}
.hero-intro > p + p {
  margin-top: 20px;
  font-size: 17px;
  color: var(--muted);
  max-width: 43ch;
}
.actions {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 14px 22px;
  min-height: 50px;
  background: var(--cyan);
  color: var(--ink);
  font-size: 15px;
}
.button:hover {
  background: #a2fff7;
}
.text-link {
  display: inline-flex;
  gap: 20px;
  align-items: center;
  padding-block: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.text-link:hover {
  color: var(--cyan);
}
.hero-foot {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-top: 23px;
  margin-top: 58px;
  color: var(--muted);
  font-size: 13px;
}
.hero-foot i {
  color: var(--cyan);
  margin-inline: 12px;
  font-style: normal;
}
/* Engine: a connected operation, then its scope and access principles. */
.engine {
  background: var(--surface);
  margin-top: 40px;
  border-block: 1px solid var(--line);
}
.section-marker {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 19px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.section-marker > span:first-child {
  color: var(--mint);
}
.engine-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-block: 44px 56px;
}
.product-signature {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.product-signature img {
  width: 30px;
  height: auto;
  flex: none;
}
.product-signature .eyebrow {
  margin: 0;
}
.engine-heading h2 {
  font-size: clamp(76px, 10vw, 150px);
  line-height: 0.98;
  letter-spacing: -0.06em;
}
.engine-heading h2 span {
  color: var(--cyan);
}
.engine-heading > p {
  font: 400 clamp(22px, 2.15vw, 32px)/1.35 var(--heading);
  letter-spacing: -0.025em;
  padding-bottom: 8px;
}
html:not(.enhanced) .journey-panel + .journey-panel {
  margin-top: 35px;
}
/* Connected operation: a persistent dossier, with references emphasized by moment. */
.engine-explorer {
  border-top: 1px solid var(--line);
}
.journey-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  padding-block: 30px;
}
.journey-intro h3 {
  font-size: clamp(30px, 3.3vw, 46px);
  margin-top: 12px;
}
.journey-intro > p {
  color: var(--muted);
  font-size: 17px;
  max-width: 44ch;
}
.journey-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(30px, 5vw, 70px);
  align-items: start;
  padding-block: 35px;
}
.journey-scene {
  margin: 0;
  background: #0b1415;
  padding: 28px;
}
.dossier-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
}
.dossier-heading strong {
  display: block;
  font: 34px/1.15 var(--heading);
  letter-spacing: -0.035em;
  margin-top: 10px;
}
.dossier-heading img {
  width: 88px;
  height: auto;
}
.dossier-stack {
  padding: 0;
  margin: 20px 0;
  list-style: none;
}
.dossier-row {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid var(--line);
  padding: 15px 12px;
  background: transparent;
  text-align: left;
}
.dossier-index {
  font: 11px/1.5 var(--mono);
  color: var(--muted);
}
.dossier-label {
  min-width: 0;
}
.dossier-label strong {
  display: block;
  font: 22px/1.2 var(--heading);
}
.dossier-label > span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
}
.dossier-action {
  color: var(--mint);
  margin-left: auto;
}
.dossier-row[aria-selected="true"] {
  border-left-color: var(--cyan);
  background: #15322e;
}
.dossier-row[aria-selected="true"] .dossier-index,
.dossier-row[aria-selected="true"] .dossier-action {
  color: var(--cyan);
}
.dossier-row[data-emphasis="related"] {
  border-left-color: var(--mint);
}
.dossier-row:focus-visible {
  outline-offset: -3px;
}
@media (hover: hover) and (pointer: fine) {
  .dossier-row:hover {
    background: #1a2b2a;
  }
  .dossier-row[aria-selected="true"]:hover {
    background: #1b3c37;
  }
}
.dossier-relation {
  color: var(--mint);
  font-size: 15px;
  line-height: 1.5;
  min-height: 4.5em;
}
.journey-panels {
  display: grid;
  align-items: start;
  min-width: 0;
}
.enhanced .journey-panel {
  grid-area: 1/1;
}
.journey-panel h4 {
  font-size: clamp(28px, 2.7vw, 39px);
  margin-top: 18px;
  max-width: 21ch;
}
.journey-panel > p:not(.eyebrow):not(.note) {
  color: var(--muted);
  margin-top: 18px;
  font-size: 17px;
  max-width: 43ch;
}
.journey-relations {
  margin: 26px 0;
  display: grid;
  gap: 17px;
}
.journey-relations > div {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.journey-relations dt {
  font: 10px/1.5 var(--mono);
  letter-spacing: 0.06em;
  color: var(--muted);
}
.journey-relations dd {
  margin: 7px 0 0;
  font-size: 17px;
}
.journey-panel .note {
  max-width: 50ch;
}
.journey-disclaimer {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-size: 13px;
  color: var(--muted);
  max-width: 100ch;
}
.engine-scope {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.engine-scope > p {
  color: var(--muted);
  font-size: 17px;
}
.engine-scope strong {
  font-weight: 400;
  color: var(--bone);
}
.engine-scope ul {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px 25px;
  font-size: 15px;
}
.engine-scope li {
  padding-left: 14px;
  border-left: 1px solid var(--mint);
}

.access {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(36px, 7vw, 110px);
}
.access h3 {
  font-size: 30px;
  margin-top: 14px;
}
.access > div > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 15px;
  margin-top: 16px;
  max-width: 43ch;
}
.access > div > p.note {
  font-size: 13px;
}
.access-profiles {
  margin: 0;
}
.access-profiles > div {
  display: grid;
  grid-template-columns: 135px 1fr;
  gap: 20px;
  padding-block: 17px;
  border-bottom: 1px solid var(--line);
}
.access-profiles > div:first-child {
  padding-top: 0;
}
.access-profiles dt {
  font: 20px/1.3 var(--heading);
}
.access-profiles dd {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
/* Complement explorer: enhanced tabs, complete static content without JavaScript. */
.section-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  margin-block: 45px;
}
.section-heading > p {
  color: var(--muted);
  max-width: 38ch;
}
.experience-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.experience-tabs button {
  text-align: left;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
  border-bottom: 2px solid var(--line);
  padding: 24px 25px;
}
.experience-tabs button + button {
  border-left: 1px solid var(--line);
}
.experience-tabs button > span:last-child {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font: 36px/1.2 var(--heading);
  margin-top: 10px;
}
.experience-tabs i {
  font-size: 20px;
  color: var(--mint);
  font-style: normal;
}
.experience-tabs button[aria-selected="true"] {
  background: var(--surface);
  border-bottom-color: var(--cyan);
}
.experience-tabs button[aria-selected="true"] i {
  color: var(--cyan);
}
.experience-panels {
  display: grid;
  align-items: start;
}
.experience-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--surface);
  padding: clamp(28px, 4vw, 58px);
  gap: 55px;
  border-bottom: 1px solid var(--line);
}
.enhanced .experience-panel {
  grid-area: 1 / 1;
}
.experience-copy h3 {
  font-size: clamp(34px, 3.4vw, 49px);
  max-width: 20ch;
  margin-top: 20px;
}
.experience-copy > p:not(.eyebrow):not(.note) {
  color: var(--muted);
  margin-top: 20px;
  max-width: 49ch;
}
.experience-copy ul {
  padding: 0;
  list-style: none;
  margin: 15px 0 22px;
  display: grid;
  gap: 7px;
  font-size: 16px;
}
.experience-copy li {
  padding-left: 20px;
  position: relative;
}
.experience-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}
.experience-copy .note {
  max-width: 56ch;
}
/* Different participant views, all grounded in the same Engine information. */
.experience-visual {
  min-width: 0;
  margin: 0;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  padding: 22px 24px;
  border-left: 1px solid var(--line);
  background: #0b1415;
}
.visual-source {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 15px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}
.visual-source > span:first-child {
  font: 24px/1.2 var(--heading);
}
.visual-source > span:last-child {
  font-size: 12px;
  color: var(--muted);
  text-align: right;
  max-width: 17ch;
}
.experience-visual figcaption {
  margin-top: auto;
  padding-top: 24px;
  font-size: 12px;
  color: var(--muted);
}
.shared-view {
  margin-top: 28px;
  border: 1px solid var(--mint);
  padding: 22px;
  position: relative;
}
.shared-view::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 20px;
  height: 20px;
  border-left: 1px solid var(--mint);
  border-bottom: 1px solid var(--mint);
  background: #0b1415;
}
.view-heading strong {
  display: block;
  font: 31px/1.15 var(--heading);
  letter-spacing: -0.03em;
  margin-top: 12px;
}
.shared-view ul {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  display: grid;
  gap: 14px;
  font-size: 15px;
}
.shared-view li {
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line);
}
.view-boundary {
  color: var(--mint);
  font-size: 13px;
}
.view-boundary span {
  color: var(--cyan);
  margin-right: 9px;
}
.visual-aside {
  font-size: 13px;
  color: var(--muted);
  margin-top: 18px;
  max-width: 33ch;
}
.field-agenda {
  padding-top: 25px;
}
.field-agenda strong {
  display: block;
  font: 35px/1.12 var(--heading);
  letter-spacing: -0.035em;
  margin-top: 12px;
}
.field-thread {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}
.field-thread li {
  border-left: 1px solid var(--mint);
  padding: 0 0 22px 18px;
  position: relative;
}
.field-thread li:last-child {
  padding-bottom: 0;
}
.field-thread li::before {
  content: "";
  width: 10px;
  height: 1px;
  background: var(--mint);
  position: absolute;
  left: 0;
  top: 8px;
}
.field-thread span {
  color: var(--muted);
  font: 10px/1.5 var(--mono);
  letter-spacing: 0.06em;
}
.field-thread strong {
  display: block;
  font: 18px/1.4 var(--body);
  margin-top: 4px;
}
.personal-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 25px;
}
.personal-view > svg {
  color: var(--mint);
  margin-bottom: 20px;
}
.personal-view > strong {
  font: 31px/1.15 var(--heading);
  letter-spacing: -0.025em;
  margin-top: 12px;
}
.personal-view ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 24px 0 18px;
  gap: 8px;
  font-size: 13px;
}
.personal-view li {
  border: 1px solid var(--line);
  padding: 7px 10px;
}
.personal-view > p {
  font-size: 13px;
  color: var(--muted);
  max-width: 26ch;
}

.section-note {
  margin-top: 20px;
}
/* Light editorial section / native checkbox composition. */
.ecosystem {
  background: var(--paper);
  color: var(--paper-ink);
  color-scheme: light;
}
.ecosystem .eyebrow,
.ecosystem .section-marker > span:first-child {
  color: var(--paper-muted);
}
.ecosystem .section-marker {
  color: var(--paper-muted);
  border-color: #afc3bf;
}
.ecosystem .section-heading > p,
.ecosystem .note {
  color: var(--paper-muted);
}
.ecosystem :focus-visible {
  outline-color: #006b61;
}
.composer {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  border-block: 1px solid #afc3bf;
}
.composer-controls {
  padding: 34px 50px 36px 0;
}
.fixed-product {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 24px;
}
.fixed-product div > span {
  font-size: 14px;
  color: var(--paper-muted);
}
.fixed-product strong {
  display: block;
  font: 47px/1.2 var(--heading);
}
.fixed-product > span {
  font-size: 25px;
}
fieldset {
  border: 0;
  padding: 0;
  margin: 12px 0 0;
  min-width: 0;
}
legend {
  font-size: 14px;
  padding: 0 0 17px;
  color: var(--paper-muted);
}
.composition-choice {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 18px 0;
  border-top: 1px solid #afc3bf;
  cursor: pointer;
}
.composition-choice input {
  accent-color: #006b61;
  width: 22px;
  height: 22px;
  flex: none;
  margin: 0;
}
.composition-choice strong {
  display: block;
  font: 26px/1.1 var(--heading);
}
.composition-choice small {
  font-size: 14px;
  color: var(--paper-muted);
}
.choice-indicator {
  margin-left: auto;
  font: 24px var(--heading);
}
.composition-choice:has(input:checked) .choice-indicator {
  transform: rotate(45deg);
}
.composition-result {
  background: #d8e4e1;
  padding: 34px 45px;
}
.composition-meta {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--paper-muted);
}
.composition-result h3 {
  font-size: clamp(35px, 3.3vw, 49px);
  margin-top: 33px;
  min-height: 110px;
  max-width: 18ch;
}
.composition-result > p:not(.note) {
  font-size: 17px;
  min-height: 80px;
  margin-top: 16px;
  color: var(--paper-muted);
}
.composition-lines {
  margin-block: 25px;
}
.composition-lines > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid #b1c5bf;
  font-size: 15px;
}
.composition-lines > div > span:first-child {
  font-family: var(--heading);
  font-size: 21px;
}
.composition-path > span:last-child {
  font-size: 13px;
}
.composition-path.is-selected {
  color: #005c51;
}
.composition-path.is-selected > span:first-child::before {
  content: "+ ";
}
.private-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 30px 50px;
  margin-top: 30px;
}
.private-strip > p {
  font-size: 15px;
  margin-right: auto;
}
.private-strip .eyebrow {
  display: block;
  margin-bottom: 6px;
}
.private-strip a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-block: 10px;
}
.private-strip a > span:last-child {
  font: 23px/1.2 var(--heading);
}
.private-strip small {
  display: block;
  font: 13px/1.5 var(--body);
  margin-top: 3px;
  color: var(--paper-muted);
}
/* Shared geometry for EVERY Kontrol/Sentinel icon. Never font glyphs or external SVG use. */
.tool-icon {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid currentColor;
  color: var(--mint);
  line-height: 0;
}
.tool-icon svg {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.private-strip .tool-icon {
  color: #356b62;
}
.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.tool {
  border-top: 1px solid var(--line);
  padding-top: 32px;
}
.tool-title {
  display: flex;
  align-items: center;
  gap: 20px;
}
.tool-title h3 {
  font-size: 43px;
  margin-top: 4px;
}
.tool h4 {
  font-size: 27px;
  margin-top: 32px;
  max-width: 28ch;
}
.tool > p:not(.note) {
  color: var(--muted);
  margin-top: 18px;
  max-width: 49ch;
}
.tool-cycle {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 28px;
  font: 12px/1.5 var(--mono);
  color: var(--mint);
}
.tool-cycle span + span::before {
  content: "→";
  margin-right: 15px;
  color: var(--muted);
}
.tool .note {
  margin-top: 20px;
}
.future {
  background: var(--surface);
  border-block: 1px solid var(--line);
}
.future-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
}
.future h2 {
  font-size: clamp(36px, 3.4vw, 51px);
  margin-top: 20px;
}
.future-layout > div > p:last-child {
  color: var(--muted);
  margin-top: 25px;
  max-width: 43ch;
}
.future-list {
  margin: 0;
}
.future-list > div {
  border-top: 1px solid var(--line);
  padding-block: 22px;
}
.future-list dt {
  font: 25px/1.2 var(--heading);
}
.future-list dd {
  color: var(--muted);
  font-size: 16px;
  margin: 12px 0 0;
}
/* Custom work is an evaluated service, outside the product/configuration model. */
.custom-development {
  background: #0c1718;
  border-top: 1px solid var(--line);
}
.custom-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 70px;
}
.custom-layout h2 {
  margin-top: 20px;
  max-width: 18ch;
  font-size: clamp(36px, 4vw, 56px);
}
.custom-copy h3 {
  font-size: 28px;
  max-width: 23ch;
}
.custom-copy > p {
  color: var(--muted);
  margin-top: 20px;
  font-size: 16px;
  max-width: 48ch;
}
.custom-copy > .note {
  font-size: 13px;
}
.custom-cta {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  border-bottom: 1px solid var(--mint);
  padding-block: 14px;
  margin-top: 18px;
  color: var(--bone);
  font-size: 16px;
  min-height: 48px;
}
.custom-cta span {
  color: var(--cyan);
}
.custom-cta:hover {
  color: var(--cyan);
}
.custom-method {
  display: flex;
  list-style: none;
  gap: 0;
  padding: 0;
  margin: 32px 0 0;
  max-width: 440px;
}
.custom-method li {
  flex: 1;
  border-top: 1px solid var(--mint);
  padding-top: 12px;
  font-size: 14px;
}
.custom-method li + li {
  border-top-color: var(--line);
}
.custom-method span {
  display: block;
  font: 10px/1.5 var(--mono);
  color: var(--mint);
  margin-bottom: 6px;
}
/* One viewport light layer: independent of section backgrounds and clipping contexts.
   Low alpha keeps both dark and light editorial surfaces legible. */
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 30;
    mix-blend-mode: screen;
    pointer-events: none;
    opacity: 0;
    background: radial-gradient(
      460px circle at var(--ambient-x, 50%) var(--ambient-y, 50%),
      rgb(0 255 238 / 0.035),
      transparent 75%
    );
    transition: opacity 0.16s;
  }
  body.has-ambient::after {
    opacity: 1;
  }
}
.site-footer {
  background: #0d0d0d;
  border-top: 1px solid var(--line);
  padding-top: clamp(64px, 7vw, 104px);
}
.footer-contact {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 70px;
  align-items: end;
  padding-bottom: 64px;
}
.footer-contact h2 {
  font-size: clamp(44px, 5.1vw, 76px);
  margin-top: 20px;
}
.footer-contact h2 span {
  color: var(--cyan);
}
.footer-invitation > p {
  max-width: 31ch;
  color: var(--muted);
}
.footer-invitation .button {
  margin-top: 24px;
}
.footer-email {
  display: block;
  width: fit-content;
  font-size: 16px;
  margin-top: 16px;
  color: var(--muted);
}
.footer-email:hover {
  color: var(--cyan);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr 1fr;
  gap: 55px;
  border-top: 1px solid var(--line);
  padding-block: 45px;
}
.footer-identity > p {
  font-size: 16px;
  color: var(--muted);
  margin-top: 25px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 8px;
}
.footer-nav .eyebrow {
  margin-bottom: 12px;
}
.footer-nav a {
  font-size: 15px;
  padding-block: 6px;
}
.footer-nav a:hover {
  color: var(--cyan);
}
.footer-origin {
  display: grid;
  align-content: start;
  justify-items: start;
  gap: 20px;
}
.footer-origin .origin-logo {
  display: block;
  width: min(100%, 260px);
  height: auto;
  overflow: hidden;
}
.footer-origin > a {
  width: 100%;
}
.footer-origin > p:last-child {
  font-size: 14px;
  color: var(--muted);
  max-width: 38ch;
}
.footer-origin a {
  display: block;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-block: 24px;
  font-size: 12px;
  color: var(--muted);
}
.footer-bottom a {
  padding-block: 10px;
}
.footer-bottom a:hover {
  color: var(--cyan);
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  a,
  button,
  .choice-indicator {
    transition:
      color 0.18s,
      background-color 0.18s,
      border-color 0.18s,
      transform 0.18s;
  }
}
/* Tablet: retain hierarchy; stack explanatory layouts before they become narrow. */
@media (max-width: 1050px) {
  .journey-intro {
    gap: 35px;
  }
  .journey-scene {
    padding: 22px;
  }
  .experience-visual {
    padding-inline: 20px;
  }
  .shared-view {
    padding: 18px;
  }

  .footer-contact {
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 0.75fr 1fr;
    gap: 30px;
  }
  .footer-identity .brand {
    flex-wrap: wrap;
  }

  #navigation {
    gap: 20px;
  }
  #navigation .nav-contact {
    margin-left: 0;
  }
  .hero-layout {
    grid-template-columns: 1.2fr 1fr;
    gap: 35px;
  }
  h1 {
    font-size: clamp(48px, 6.4vw, 70px);
  }
  .hero-definition {
    font-size: 22px;
  }
  .access {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 35px;
  }
  .section-heading {
    gap: 35px;
  }
  .experience-panel {
    gap: 30px;
  }
  .composer-controls {
    padding-right: 30px;
  }
  .composition-result {
    padding-inline: 30px;
  }
  .future-layout {
    gap: 45px;
  }
}
/* Collapse the existing menu before its longer navigation becomes crowded. */
@media (max-width: 1100px) {
  html:not(.enhanced) .site-header {
    position: static;
  }
  .header-row {
    min-height: 72px;
    flex-wrap: wrap;
    gap: 0;
  }
  .menu-toggle:not([hidden]) {
    display: flex;
    align-items: center;
    gap: 20px;
  }
  #navigation {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-block: 12px 22px;
  }
  #navigation a {
    border-bottom: 1px solid var(--line);
    padding: 13px 0;
  }
  #navigation .nav-contact {
    border: 0;
    padding: 13px 0;
  }
}
@media (min-width: 1101px) and (max-width: 1200px) {
  .nav-custom-full {
    display: none;
  }
  .nav-custom-short {
    display: inline;
  }
}
@media (max-width: 800px) {
  .custom-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .custom-layout h2 {
    max-width: 22ch;
  }
  .access-profiles > div {
    grid-template-columns: 120px 1fr;
  }

  .journey-intro {
    gap: 25px;
  }
  .journey-layout {
    gap: 28px;
  }
  .dossier-heading {
    flex-wrap: wrap;
    gap: 10px;
  }
  .dossier-heading strong {
    font-size: 29px;
  }
  .dossier-heading img {
    width: 64px;
  }
  .dossier-row {
    gap: 10px;
    padding-inline: 8px;
  }
  .journey-panel h4 {
    font-size: 29px;
  }
  .experience-visual {
    padding-inline: 16px;
  }
  .view-heading strong,
  .personal-view > strong {
    font-size: 28px;
  }
  .shared-view {
    padding: 16px;
  }

  .footer-contact {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 42px;
  }
  .footer-invitation > p {
    max-width: 45ch;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 35px;
  }
  .footer-origin {
    grid-column: 1/-1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 35px;
    border-top: 1px solid var(--line);
    padding-top: 28px;
  }
  .footer-origin .eyebrow {
    grid-column: 1/-1;
  }
  .footer-bottom {
    flex-wrap: wrap;
    gap: 8px 20px;
  }

  html {
    scroll-padding-top: 88px;
  }
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  h1 {
    font-size: clamp(48px, 9.2vw, 75px);
  }
  .hero-definition {
    font-size: 25px;
    max-width: 30ch;
  }
  .hero-intro > p + p {
    max-width: 54ch;
  }
  .actions {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px 25px;
  }
  .hero-foot {
    flex-direction: column;
    gap: 10px;
    margin-top: 40px;
  }
  .engine-heading {
    align-items: start;
    flex-direction: column;
    gap: 22px;
    margin-block: 35px;
  }
  .engine-heading h2 {
    font-size: 100px;
  }
  .access,
  .section-heading,
  .future-layout {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .access > div > p:not(.eyebrow) {
    max-width: 60ch;
  }
  .section-heading > p {
    max-width: 58ch;
  }
  .experience-tabs button {
    padding: 20px 16px;
  }
  .experience-tabs button > span:last-child {
    font-size: 30px;
  }
  .experience-panel {
    grid-template-columns: 1fr 1fr;
    padding: 30px;
    gap: 25px;
  }
  .composer {
    grid-template-columns: 1fr 1fr;
  }
  .composition-result h3 {
    min-height: 145px;
  }
  .composition-result > p:not(.note) {
    min-height: 130px;
  }
  .composition-lines > div {
    align-items: start;
    flex-direction: column;
    gap: 3px;
  }
  .private-strip {
    gap: 15px 35px;
  }
  .private-strip > p {
    flex-basis: 100%;
  }
  .tools-grid {
    gap: 35px;
  }
  .tool-title h3 {
    font-size: 36px;
  }
  .tool-title {
    gap: 14px;
  }
}
/* Mobile: designed as an editorial sequence, without shrinking body text. */
@media (max-width: 560px) {
  .access {
    margin-top: 28px;
    padding-top: 26px;
    gap: 24px;
  }
  .access h3 {
    font-size: 26px;
  }
  .access h3 br {
    display: none;
  }
  .access-profiles > div {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-block: 15px;
  }
  .access-profiles dt {
    font-size: 21px;
  }
  .access-profiles dd {
    font-size: 15px;
  }
  .dossier-label strong {
    font-size: 20px;
  }
  .dossier-label > span {
    font-size: 12px;
  }
  .custom-layout h2 {
    font-size: 36px;
  }
  .custom-copy h3 {
    font-size: 26px;
  }
  .custom-method {
    margin-top: 24px;
  }

  .experience-visual {
    padding: 16px;
  }
  .visual-source {
    padding-bottom: 12px;
  }
  .visual-source > span:first-child {
    font-size: 21px;
  }
  .visual-source > span:last-child {
    font-size: 11px;
  }
  .experience-visual figcaption {
    padding-top: 14px;
    font-size: 11px;
  }
  .shared-view .eyebrow,
  .field-agenda .eyebrow {
    display: none;
  }
  .view-heading strong {
    margin-top: 0;
    font-size: 26px;
  }
  .shared-view li {
    font-size: 14px;
    padding-bottom: 6px;
  }
  .visual-aside {
    display: none;
  }
  .field-agenda {
    padding-top: 18px;
  }
  .field-agenda strong {
    font-size: 26px;
    margin-top: 0;
  }
  .field-agenda br {
    display: none;
  }
  .field-thread {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .field-thread li {
    padding: 0 7px 0 10px;
  }
  .field-thread li::before {
    width: 5px;
  }
  .field-thread span {
    font-size: 8px;
    letter-spacing: 0;
  }
  .field-thread strong {
    font-size: 14px;
  }
  .personal-view {
    display: grid;
    grid-template-columns: 42px 1fr;
    text-align: left;
    gap: 8px 13px;
    align-items: center;
  }
  .personal-view > svg {
    grid-column: 1;
    grid-row: 1/3;
    width: 42px;
    height: 42px;
    margin: 0;
  }
  .personal-view > .eyebrow {
    grid-column: 2;
    font-size: 8px;
  }
  .personal-view > strong {
    grid-column: 2;
    font-size: 25px;
    margin-top: 0;
  }
  .personal-view ul {
    grid-column: 1/-1;
    margin: 10px 0 0;
    justify-content: start;
    font-size: 12px;
  }
  .personal-view > p {
    display: none;
  }

  .journey-intro {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-block: 26px;
  }
  .journey-intro h3 {
    font-size: 34px;
  }
  .journey-intro > p {
    font-size: 16px;
  }
  .journey-layout {
    grid-template-columns: 1fr;
    padding-block: 22px;
    gap: 26px;
  }
  .journey-scene {
    padding: 20px 16px;
  }
  .dossier-heading {
    flex-wrap: nowrap;
    padding-bottom: 16px;
  }
  .dossier-heading .eyebrow {
    font-size: 8px;
  }
  .dossier-heading strong {
    font-size: 28px;
    margin-top: 7px;
  }
  .dossier-stack {
    margin-block: 16px;
  }
  .dossier-row {
    padding-block: 11px;
  }
  .dossier-relation {
    font-size: 14px;
    min-height: 4.5em;
  }
  .journey-panel h4 {
    font-size: 30px;
    margin-top: 13px;
  }
  .journey-panel > p:not(.eyebrow):not(.note) {
    font-size: 16px;
  }
  .journey-relations {
    margin-block: 20px;
    gap: 14px;
  }
  .journey-relations dd {
    font-size: 16px;
  }
  .journey-disclaimer {
    font-size: 12px;
  }
  .engine-scope ul {
    grid-template-columns: 1fr 1fr;
    font-size: 14px;
    gap: 12px;
  }
  .experience-visual {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .shared-view {
    margin-top: 20px;
  }
  .shared-view ul {
    margin-block: 18px;
    gap: 10px;
  }

  .field-thread {
    margin-top: 20px;
  }

  .personal-view {
    padding-top: 20px;
  }

  .brand {
    gap: 11px;
  }
  .brand img {
    width: 34px;
  }
  .brand-type {
    padding-left: 11px;
    gap: 7px;
  }
  .brand-type strong {
    font-size: 18px;
    letter-spacing: 0.08em;
  }
  .brand-type > span {
    font-size: 17px;
  }
  .menu-toggle {
    font-size: 13px;
    padding: 10px;
    justify-content: center;
  }
  .menu-toggle:not([hidden]) {
    gap: 8px;
  }
  .footer-contact h2 {
    font-size: clamp(40px, 10.5vw, 58px);
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-block: 35px;
  }
  .footer-origin {
    grid-column: auto;
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: start;
    gap: 8px;
  }

  :root {
    --gutter: 22px;
  }
  body {
    font-size: 17px;
  }
  .section {
    padding-block: 64px;
  }
  .eyebrow,
  .section-marker {
    font-size: 10px;
    letter-spacing: 0.06em;
  }
  .hero {
    padding-top: 38px;
    padding-bottom: 25px;
  }
  .hero-label {
    align-items: start;
    gap: 10px;
  }
  .hero-structure {
    width: 48px;
    margin-top: 1px;
  }
  .hero-layout {
    margin-top: 24px;
    gap: 26px;
  }
  h1 {
    font-size: clamp(37px, 10.3vw, 56px);
    letter-spacing: -0.05em;
  }
  .hero-definition {
    font-size: 22px;
  }
  .hero-intro > p + p {
    font-size: 16px;
    margin-top: 15px;
  }
  .actions {
    margin-top: 22px;
    gap: 6px 20px;
  }
  .button {
    padding: 13px 18px;
    min-height: 48px;
  }
  .hero-foot {
    margin-top: 30px;
    font-size: 12px;
  }
  .hero-foot i {
    margin-inline: 7px;
  }
  .engine {
    margin-top: 15px;
  }
  .section-marker {
    flex-direction: column;
    gap: 5px;
  }
  .engine-heading h2 {
    font-size: 82px;
  }
  .engine-heading > p {
    font-size: 24px;
  }
  .access {
    padding-top: 25px;
    gap: 25px;
  }
  .section-heading {
    margin-block: 30px;
    gap: 22px;
  }
  h2 {
    font-size: clamp(34px, 8.6vw, 46px);
  }
  .experience-tabs button {
    padding: 16px 9px;
  }
  .experience-tabs .eyebrow {
    font-size: 9px;
    letter-spacing: 0;
  }
  .experience-tabs button > span:last-child {
    font-size: clamp(21px, 5.7vw, 29px);
  }
  .experience-tabs i {
    display: none;
  }
  .experience-panel {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 28px 22px;
  }
  .experience-copy h3 {
    font-size: 34px;
  }
  .experience-copy > p:not(.eyebrow):not(.note) {
    font-size: 16px;
  }
  .experience-copy ul {
    font-size: 15px;
  }
  .composer {
    grid-template-columns: 1fr;
  }
  .composer-controls {
    padding: 25px 0;
  }
  .composition-result {
    padding: 28px 24px;
  }
  .composition-result h3 {
    min-height: 100px;
    font-size: 36px;
    margin-top: 24px;
  }
  .composition-result > p:not(.note) {
    min-height: 110px;
  }
  .composition-lines > div {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }
  .private-strip {
    align-items: start;
    gap: 15px;
  }
  .private-strip a {
    width: 100%;
  }
  .tools-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }
  .tool h4 {
    font-size: 27px;
  }
  .future h2 {
    font-size: 37px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}
@media print {
  [data-journey-tabs],
  .menu-toggle,
  .actions,
  .experience-tabs {
    display: none !important;
  }
  .enhanced .journey-panel[hidden] {
    display: block !important;
  }
  .enhanced .journey-panel {
    grid-area: auto;
    margin-bottom: 25px;
  }
  .journey-panels,
  .experience-panels {
    min-height: 0 !important;
  }

  .site-header {
    position: static;
  }
  .enhanced .experience-panel[hidden] {
    display: grid !important;
  }
  .enhanced .experience-panel {
    grid-area: auto;
    min-height: 0;
  }
  body {
    background: white;
    color: black;
  }
}