:root {
  --paper: #f6f3ec;
  --white: #ffffff;
  --ink: #171816;
  --pine: #17342d;
  --sage: #dce4db;
  --muted: #5f625d;
  --signal: #b84c32;
  --line: rgba(23, 24, 22, 0.18);
  --line-strong: rgba(23, 24, 22, 0.42);
  --inverse-line: rgba(246, 243, 236, 0.3);
  --shell: min(1280px, calc(100vw - 96px));
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

body[data-menu-open="true"] {
  overflow: hidden;
}

a {
  color: inherit;
}

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

button {
  font: inherit;
}

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

h1,
h2,
h3,
p,
ol,
ul,
figure {
  margin-top: 0;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-150%);
  transition: transform 100ms var(--ease);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 72px;
  color: var(--paper);
  background: var(--ink);
  border-bottom: 1px solid rgba(246, 243, 236, 0.14);
}

.site-header__inner {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) auto auto;
  align-items: center;
  gap: 28px;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  width: fit-content;
  color: inherit;
  text-decoration: none;
}

.brand strong {
  font-size: 18px;
  font-weight: 650;
  line-height: 1.2;
}

.brand small {
  padding-left: 14px;
  color: rgba(246, 243, 236, 0.62);
  border-left: 1px solid rgba(246, 243, 236, 0.28);
  font-size: 10px;
  font-weight: 650;
  line-height: 1;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: stretch;
  align-self: stretch;
  gap: 28px;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: rgba(246, 243, 236, 0.74);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--paper);
}

.site-nav a[aria-current="page"]::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--signal);
  content: "";
}

.header-action,
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 20px;
  color: var(--paper);
  background: var(--signal);
  border: 1px solid var(--signal);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.4;
  text-decoration: none;
  transition:
    color 200ms var(--ease),
    background 200ms var(--ease),
    border-color 200ms var(--ease);
}

.header-action {
  min-width: 98px;
  background: transparent;
  border-color: rgba(246, 243, 236, 0.62);
}

.header-action:hover,
.header-action:focus-visible {
  color: var(--ink);
  background: var(--paper);
  border-color: var(--paper);
}

.button:hover,
.button:focus-visible {
  background: #9f3f2b;
  border-color: #9f3f2b;
}

.button--outline {
  color: var(--ink);
  background: transparent;
  border-color: var(--line-strong);
}

.button--outline:hover,
.button--outline:focus-visible {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}

.button--inverse {
  color: var(--paper);
  background: transparent;
  border-color: rgba(246, 243, 236, 0.72);
}

.button--inverse:hover,
.button--inverse:focus-visible {
  color: var(--ink);
  background: var(--paper);
  border-color: var(--paper);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--paper);
  background: transparent;
  border: 1px solid rgba(246, 243, 236, 0.5);
  border-radius: 4px;
  font-size: 22px;
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

.site-header :focus-visible,
.solution-hero--dark :focus-visible,
.dark-band :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--paper);
}

.solution-hero {
  position: relative;
  min-height: 620px;
  overflow: hidden;
}

.solution-hero__media {
  position: absolute;
  inset: 0;
  margin: 0;
}

.solution-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.solution-hero__veil {
  position: absolute;
  inset: 0;
  background: rgba(12, 18, 16, 0.7);
}

.solution-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 620px;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
  align-items: end;
  padding-block: 72px 64px;
}

.solution-hero__copy {
  grid-column: 1 / span 7;
}

.solution-hero__aside {
  grid-column: 9 / -1;
}

.solution-hero--dark {
  color: var(--paper);
  background: var(--pine);
}

.solution-hero__breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: rgba(246, 243, 236, 0.72);
  font-size: 12px;
  font-weight: 600;
}

.solution-hero__breadcrumbs a {
  text-decoration: none;
}

.solution-hero__breadcrumbs a:hover,
.solution-hero__breadcrumbs a:focus-visible {
  color: var(--paper);
}

.solution-hero__eyebrow,
.section-eyebrow {
  margin-bottom: 12px;
  color: var(--signal);
  font-size: 12px;
  font-weight: 700;
}

.solution-hero--dark .solution-hero__eyebrow {
  color: #ed8b72;
}

.solution-hero h1 {
  max-width: 800px;
  margin-bottom: 18px;
  font-size: clamp(42px, 5vw, 64px);
  font-weight: 650;
  line-height: 1.12;
}

.solution-hero__claim {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(24px, 2.7vw, 38px);
  font-weight: 560;
  line-height: 1.3;
}

.solution-hero__summary {
  max-width: 720px;
  margin-bottom: 30px;
  color: rgba(246, 243, 236, 0.78);
  font-size: 18px;
}

.solution-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-aside-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--inverse-line);
}

.hero-aside-list li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--inverse-line);
}

.hero-aside-list span {
  color: rgba(246, 243, 236, 0.58);
  font-size: 12px;
  font-weight: 700;
}

.hero-aside-list strong {
  font-size: 15px;
  font-weight: 620;
}

.solution-hero--split {
  min-height: 590px;
  color: var(--ink);
  background: var(--paper);
}

.solution-hero--split .solution-hero__inner {
  min-height: 590px;
  align-items: center;
  padding-block: 56px;
}

.solution-hero--split .solution-hero__copy {
  grid-column: 1 / span 6;
  padding-right: 24px;
}

.solution-hero--split .solution-hero__summary {
  color: var(--muted);
}

.solution-hero__frame {
  position: relative;
  grid-column: 7 / -1;
  height: 486px;
  overflow: hidden;
}

.solution-hero__frame picture,
.solution-hero__frame img {
  width: 100%;
  height: 100%;
}

.solution-hero__frame img {
  object-fit: cover;
}

.solution-hero__frame-caption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px;
  color: var(--paper);
  background: rgba(23, 52, 45, 0.9);
  font-size: 12px;
  font-weight: 600;
}

.solution-hero--rail .solution-hero__copy {
  grid-column: 6 / -1;
}

.solution-hero--rail .solution-hero__veil {
  background: rgba(12, 18, 16, 0.72);
}

.solution-hero--energy .solution-hero__copy {
  grid-column: 1 / span 6;
}

.solution-hero--energy .solution-hero__aside {
  grid-column: 8 / -1;
}

.solution-hero--energy .solution-hero__veil {
  background: rgba(10, 16, 14, 0.78);
}

.solution-hero--financial .solution-hero__copy {
  grid-column: 1 / span 7;
}

.solution-hero--financial .solution-hero__frame {
  grid-column: 9 / -1;
  height: 500px;
}

.solution-hero--financial .solution-hero__frame img {
  object-position: 54% center;
}

.hero-proofline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 34px;
  border-top: 1px solid var(--line);
}

.hero-proofline div {
  padding: 16px 18px 0 0;
}

.hero-proofline span {
  display: block;
  color: var(--signal);
  font-size: 11px;
  font-weight: 700;
}

.hero-proofline strong {
  display: block;
  margin-top: 3px;
  font-size: 14px;
  font-weight: 620;
}

.chapter-nav {
  position: sticky;
  top: 72px;
  z-index: 30;
  background: rgba(246, 243, 236, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.chapter-nav__inner {
  display: flex;
  min-height: 56px;
  align-items: stretch;
  overflow-x: auto;
  scrollbar-width: none;
}

.chapter-nav__inner::-webkit-scrollbar {
  display: none;
}

.chapter-nav a {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  padding: 0 22px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.chapter-nav a:first-child {
  padding-left: 0;
}

.chapter-nav a:hover,
.chapter-nav a:focus-visible,
.chapter-nav a[aria-current="location"] {
  color: var(--ink);
}

.chapter-nav a[aria-current="location"]::after {
  position: absolute;
  right: 22px;
  bottom: -1px;
  left: 22px;
  height: 2px;
  background: var(--signal);
  content: "";
}

.chapter-nav a:first-child[aria-current="location"]::after {
  left: 0;
}

.solution-section {
  scroll-margin-top: 144px;
  padding: 76px 0;
  background: transparent;
}

.solution-section + .solution-section {
  padding-top: 60px;
}

.section-head {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
  margin-bottom: 40px;
}

.section-head__title {
  grid-column: 1 / span 7;
}

.section-head__title h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 3.7vw, 44px);
  font-weight: 560;
  line-height: 1.18;
}

.section-head__summary {
  grid-column: 9 / -1;
  padding-top: 28px;
  color: var(--muted);
  font-size: 17px;
}

.section-head__summary p:last-child {
  margin-bottom: 0;
}

.dark-band {
  color: var(--paper);
  background: var(--pine);
}

.dark-band .section-head__summary,
.dark-band .body-muted {
  color: rgba(246, 243, 236, 0.72);
}

.dark-band .section-eyebrow {
  color: #ed8b72;
}

.journey-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  padding-top: 30px;
}

.journey-track::before {
  position: absolute;
  top: 7px;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--line-strong);
  content: "";
}

.journey-stage {
  position: relative;
  min-height: 238px;
  padding: 22px 28px 0 0;
}

.journey-stage::before {
  position: absolute;
  top: -28px;
  left: 0;
  width: 13px;
  height: 13px;
  background: var(--paper);
  border: 2px solid var(--signal);
  border-radius: 50%;
  content: "";
}

.journey-stage:not(:last-child) {
  border-right: 1px solid var(--line);
}

.journey-stage:not(:first-child) {
  padding-left: 28px;
}

.journey-stage:not(:first-child)::before {
  left: 28px;
}

.journey-stage__index,
.phase-index {
  display: block;
  margin-bottom: 22px;
  color: var(--signal);
  font-size: 12px;
  font-weight: 700;
}

.journey-stage h3 {
  margin-bottom: 10px;
  font-size: 23px;
  line-height: 1.35;
}

.journey-stage p {
  margin-bottom: 0;
  color: var(--muted);
}

.touchpoint-ledger {
  display: grid;
  grid-template-columns: 1.05fr 1.95fr;
  border-top: 1px solid var(--line-strong);
}

.touchpoint-row {
  display: contents;
}

.touchpoint-row h3,
.touchpoint-row p {
  margin: 0;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.touchpoint-row h3 {
  padding-right: 32px;
  font-size: 21px;
}

.touchpoint-row p {
  color: var(--muted);
}

.production-map {
  display: grid;
  grid-template-columns: 1fr 3fr;
  border-top: 1px solid var(--line-strong);
}

.production-map__axis {
  padding: 24px 24px 24px 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.production-unit {
  display: grid;
  grid-template-columns: minmax(160px, 0.8fr) minmax(0, 1.7fr);
  gap: 30px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.production-unit h3 {
  margin: 0;
  font-size: 22px;
}

.production-unit p {
  margin: 0;
  color: var(--muted);
}

.cycle-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--inverse-line);
}

.cycle-step {
  min-height: 252px;
  padding: 28px 26px;
}

.cycle-step:not(:last-child) {
  border-right: 1px solid var(--inverse-line);
}

.cycle-step span {
  display: block;
  margin-bottom: 58px;
  color: #ed8b72;
  font-size: 12px;
  font-weight: 700;
}

.cycle-step h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.cycle-step p {
  margin-bottom: 0;
  color: rgba(246, 243, 236, 0.72);
}

.governance-stack {
  display: grid;
  gap: 12px;
}

.governance-level {
  display: grid;
  grid-template-columns: 160px minmax(180px, 0.75fr) minmax(0, 1.6fr);
  gap: 28px;
  align-items: center;
  min-height: 112px;
  padding: 20px 26px;
  background: rgba(220, 228, 219, 0.48);
}

.governance-level:nth-child(2) {
  margin-inline: 4%;
}

.governance-level:nth-child(3) {
  margin-inline: 8%;
}

.governance-level:nth-child(4) {
  margin-inline: 12%;
}

.governance-level span {
  color: var(--signal);
  font-size: 12px;
  font-weight: 700;
}

.governance-level h3 {
  margin: 0;
  font-size: 22px;
}

.governance-level p {
  margin: 0;
  color: var(--muted);
}

.service-streams {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.service-stream {
  padding-top: 20px;
  border-top: 2px solid var(--ink);
}

.service-stream span {
  color: var(--signal);
  font-size: 12px;
  font-weight: 700;
}

.service-stream h3 {
  margin: 34px 0 12px;
  font-size: 25px;
}

.service-stream p {
  margin: 0;
  color: var(--muted);
}

.control-loop {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--inverse-line);
  border: 1px solid var(--inverse-line);
}

.control-step {
  min-height: 226px;
  padding: 30px;
  background: var(--pine);
}

.control-step__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.control-step__top span {
  color: #ed8b72;
  font-size: 12px;
  font-weight: 700;
}

.control-step__top i {
  width: 48px;
  height: 1px;
  background: rgba(246, 243, 236, 0.46);
}

.control-step h3 {
  margin-bottom: 10px;
  font-size: 27px;
}

.control-step p {
  margin: 0;
  color: rgba(246, 243, 236, 0.72);
}

.energy-matrix {
  display: grid;
  grid-template-columns: 180px repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line);
}

.energy-matrix > * {
  min-height: 82px;
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.energy-matrix__head {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.energy-matrix__label {
  font-weight: 650;
}

.energy-matrix__cell {
  color: var(--muted);
  font-size: 14px;
}

.asset-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0;
  padding-top: 36px;
}

.asset-line::before {
  position: absolute;
  top: 12px;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--line-strong);
  content: "";
}

.asset-step {
  position: relative;
  min-height: 236px;
  padding: 22px 20px 0 0;
}

.asset-step:not(:first-child) {
  padding-left: 20px;
}

.asset-step:not(:last-child) {
  border-right: 1px solid var(--line);
}

.asset-step::before {
  position: absolute;
  top: -30px;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--ink);
  content: "";
}

.asset-step:not(:first-child)::before {
  left: 20px;
}

.asset-step span {
  color: var(--signal);
  font-size: 11px;
  font-weight: 700;
}

.asset-step h3 {
  margin: 22px 0 10px;
  font-size: 21px;
}

.asset-step p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.asset-scenes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 40px;
}

.asset-scene {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line-strong);
}

.asset-scene span {
  color: var(--signal);
  font-size: 12px;
  font-weight: 700;
}

.asset-scene h3 {
  margin-bottom: 8px;
  font-size: 23px;
}

.asset-scene p {
  margin: 0;
  color: var(--muted);
}

.relationship-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.relationship-column {
  min-height: 342px;
  padding: 26px;
  background: var(--paper);
}

.relationship-column span {
  color: var(--signal);
  font-size: 12px;
  font-weight: 700;
}

.relationship-column h3 {
  margin: 64px 0 14px;
  font-size: 26px;
}

.relationship-column p {
  margin: 0;
  color: var(--muted);
}

.process-matrix {
  display: grid;
  grid-template-columns: 220px repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line);
}

.process-matrix > * {
  min-height: 92px;
  padding: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.process-matrix__head {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.process-matrix__row {
  font-size: 17px;
  font-weight: 650;
}

.process-matrix__cell strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
}

.process-matrix__cell span {
  color: var(--muted);
  font-size: 13px;
}

.case-ledger {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  border-top: 1px solid var(--line-strong);
}

.case-ledger__label {
  padding: 24px 32px 24px 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.case-steps {
  position: relative;
}

.case-steps::before {
  position: absolute;
  top: 36px;
  bottom: 36px;
  left: 11px;
  width: 1px;
  background: var(--line-strong);
  content: "";
}

.case-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(180px, 0.75fr) minmax(0, 1.5fr);
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.case-step__node {
  position: relative;
  z-index: 1;
  display: flex;
  width: 23px;
  height: 23px;
  align-items: center;
  justify-content: center;
  color: var(--paper);
  background: var(--ink);
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
}

.case-step h3 {
  margin: 0;
  font-size: 21px;
}

.case-step p {
  margin: 0;
  color: var(--muted);
}

.control-register {
  border-top: 1px solid var(--line-strong);
}

.control-row {
  display: grid;
  grid-template-columns: 52px minmax(180px, 0.8fr) minmax(0, 1.5fr);
  gap: 22px;
  padding: 23px 0;
  border-bottom: 1px solid var(--line);
}

.control-row span {
  color: var(--signal);
  font-size: 12px;
  font-weight: 700;
}

.control-row h3 {
  margin: 0;
  font-size: 21px;
}

.control-row p {
  margin: 0;
  color: var(--muted);
}

.capability-ledger {
  border-top: 1px solid var(--line-strong);
}

.capability-item {
  display: grid;
  grid-template-columns: 64px minmax(220px, 0.8fr) minmax(0, 1.5fr);
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.capability-item span {
  color: var(--signal);
  font-size: 12px;
  font-weight: 700;
}

.capability-item h3 {
  margin: 0;
  font-size: 22px;
}

.capability-item p {
  margin: 0;
  color: var(--muted);
}

.cooperation-path {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.cooperation-step {
  min-height: 214px;
  padding: 24px 0;
  border-top: 2px solid var(--ink);
}

.cooperation-step span {
  color: var(--signal);
  font-size: 12px;
  font-weight: 700;
}

.cooperation-step h3 {
  margin: 38px 0 10px;
  font-size: 24px;
}

.cooperation-step p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  margin-top: 64px;
  color: var(--paper);
  background: var(--ink);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr 1.5fr;
  gap: 48px;
  padding-block: 58px 44px;
}

.site-footer__identity h2 {
  margin-bottom: 14px;
  font-size: 25px;
  font-weight: 600;
}

.site-footer__identity p {
  max-width: 370px;
  margin: 0;
  color: rgba(246, 243, 236, 0.62);
}

.site-footer__nav,
.site-footer__solutions {
  display: grid;
  align-content: start;
  gap: 10px;
}

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

.site-footer__label {
  grid-column: 1 / -1;
  margin-bottom: 8px;
  color: rgba(246, 243, 236, 0.48);
  font-size: 11px;
  font-weight: 700;
}

.site-footer nav a {
  width: fit-content;
  color: rgba(246, 243, 236, 0.74);
  font-size: 14px;
  text-decoration: none;
}

.site-footer nav a:hover,
.site-footer nav a:focus-visible {
  color: var(--paper);
  text-decoration: underline;
  text-underline-offset: 5px;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 18px 24px;
  color: rgba(246, 243, 236, 0.48);
  border-top: 1px solid rgba(246, 243, 236, 0.14);
  font-size: 12px;
}

[data-reveal] {
  opacity: 1;
  transform: none;
}

.motion-ready [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 400ms var(--ease),
    transform 400ms var(--ease);
}

.motion-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1023px) {
  :root {
    --shell: min(100% - 64px, 960px);
  }

  .site-header__inner {
    grid-template-columns: minmax(250px, 1fr) auto;
  }

  .site-nav {
    gap: 20px;
  }

  .site-nav a {
    font-size: 13px;
  }

  .header-action {
    display: none;
  }

  .solution-hero,
  .solution-hero__inner {
    min-height: 560px;
  }

  .solution-hero__copy,
  .solution-hero--energy .solution-hero__copy {
    grid-column: 1 / span 7;
  }

  .solution-hero__aside,
  .solution-hero--energy .solution-hero__aside {
    grid-column: 9 / -1;
  }

  .solution-hero--split,
  .solution-hero--split .solution-hero__inner {
    min-height: auto;
  }

  .solution-hero--split .solution-hero__copy {
    grid-column: 1 / span 5;
  }

  .solution-hero__frame {
    grid-column: 6 / -1;
    height: 440px;
  }

  .solution-hero--financial .solution-hero__copy {
    grid-column: 1 / span 6;
  }

  .solution-hero--financial .solution-hero__frame {
    grid-column: 7 / -1;
    height: 440px;
  }

  .section-head__title {
    grid-column: 1 / span 7;
  }

  .section-head__summary {
    grid-column: 8 / -1;
  }

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

  .journey-track::before {
    display: none;
  }

  .journey-stage {
    min-height: 210px;
    padding: 24px 24px 20px 0;
    border-top: 1px solid var(--line);
  }

  .journey-stage::before {
    display: none;
  }

  .journey-stage:not(:first-child) {
    padding-left: 24px;
  }

  .journey-stage:nth-child(2) {
    border-right: 0;
  }

  .cycle-step:nth-child(2) {
    border-right: 0;
  }

  .cycle-step:nth-child(-n + 2) {
    border-bottom: 1px solid var(--inverse-line);
  }

  .governance-level:nth-child(n) {
    margin-inline: 0;
  }

  .energy-matrix {
    grid-template-columns: 140px repeat(4, minmax(145px, 1fr));
    overflow-x: auto;
  }

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

  .asset-line::before {
    display: none;
  }

  .asset-step {
    min-height: 210px;
    border-top: 1px solid var(--line);
  }

  .asset-step::before {
    display: none;
  }

  .asset-step:nth-child(3) {
    border-right: 0;
  }

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

  .relationship-column {
    min-height: 290px;
  }

  .process-matrix {
    grid-template-columns: 180px repeat(3, minmax(190px, 1fr));
    overflow-x: auto;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 0.7fr 1.4fr;
    gap: 32px;
  }
}

@media (max-width: 767px) {
  :root {
    --shell: calc(100% - 40px);
  }

  html {
    scroll-behavior: auto;
  }

  .site-header {
    height: 64px;
  }

  .site-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
  }

  .brand {
    gap: 10px;
    min-width: 0;
  }

  .brand strong {
    overflow: hidden;
    font-size: 16px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .brand small {
    display: none;
  }

  .menu-button {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 64px;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 49;
    display: none;
    align-items: stretch;
    align-self: auto;
    flex-direction: column;
    gap: 0;
    padding: 18px 20px;
    background: var(--ink);
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .site-nav a {
    min-height: 54px;
    border-bottom: 1px solid rgba(246, 243, 236, 0.14);
    font-size: 16px;
  }

  .site-nav a[aria-current="page"]::after {
    display: none;
  }

  .solution-hero,
  .solution-hero__inner {
    min-height: 580px;
  }

  .solution-hero__inner {
    display: flex;
    align-items: flex-end;
    flex-direction: column;
    justify-content: flex-end;
    gap: 28px;
    padding-block: 50px 34px;
  }

  .solution-hero__copy,
  .solution-hero__aside {
    width: 100%;
  }

  .solution-hero__breadcrumbs {
    margin-bottom: 18px;
  }

  .solution-hero h1 {
    font-size: 38px;
    line-height: 1.18;
  }

  .solution-hero__claim {
    font-size: 25px;
  }

  .solution-hero__summary {
    margin-bottom: 24px;
    font-size: 16px;
  }

  .solution-hero__aside {
    display: none;
  }

  .solution-hero--split {
    padding-bottom: 0;
  }

  .solution-hero--split .solution-hero__inner {
    display: flex;
    align-items: stretch;
    flex-direction: column;
    padding-top: 40px;
    padding-bottom: 0;
  }

  .solution-hero--split .solution-hero__copy {
    width: 100%;
    padding-right: 0;
  }

  .solution-hero__frame,
  .solution-hero--financial .solution-hero__frame {
    width: calc(100% + 40px);
    height: 310px;
    margin-left: -20px;
  }

  .solution-hero--financial .solution-hero__frame {
    height: 280px;
  }

  .hero-proofline {
    grid-template-columns: 1fr;
  }

  .hero-proofline div {
    padding-top: 10px;
  }

  .chapter-nav {
    top: 64px;
  }

  .chapter-nav__inner {
    width: 100%;
    min-height: 50px;
    padding-left: 20px;
  }

  .chapter-nav a,
  .chapter-nav a:first-child {
    padding-inline: 14px;
  }

  .chapter-nav a[aria-current="location"]::after,
  .chapter-nav a:first-child[aria-current="location"]::after {
    right: 14px;
    left: 14px;
  }

  .solution-section {
    scroll-margin-top: 124px;
    padding: 48px 0;
  }

  .solution-section + .solution-section {
    padding-top: 36px;
  }

  .section-head {
    display: block;
    margin-bottom: 28px;
  }

  .section-head__title h2 {
    font-size: 31px;
    line-height: 1.22;
  }

  .section-head__summary {
    padding-top: 18px;
    font-size: 16px;
  }

  .journey-track,
  .cycle-track,
  .service-streams,
  .control-loop,
  .relationship-grid,
  .cooperation-path {
    grid-template-columns: 1fr;
  }

  .journey-stage {
    min-height: 0;
    padding: 22px 0 24px;
    border-right: 0;
  }

  .journey-stage:not(:first-child) {
    padding-left: 0;
  }

  .journey-stage__index {
    margin-bottom: 12px;
  }

  .touchpoint-ledger {
    display: block;
  }

  .touchpoint-row {
    display: block;
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
  }

  .touchpoint-row h3,
  .touchpoint-row p {
    padding: 0;
    border: 0;
  }

  .touchpoint-row h3 {
    margin-bottom: 8px;
  }

  .production-map {
    display: block;
  }

  .production-map__axis {
    padding-bottom: 8px;
  }

  .production-unit {
    display: block;
  }

  .production-unit h3 {
    margin-bottom: 8px;
  }

  .cycle-step {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--inverse-line);
  }

  .cycle-step:last-child {
    border-bottom: 0;
  }

  .cycle-step span {
    margin-bottom: 26px;
  }

  .governance-level {
    display: block;
    padding: 22px;
  }

  .governance-level h3 {
    margin: 8px 0;
  }

  .service-stream {
    min-height: 0;
  }

  .service-stream h3 {
    margin-top: 22px;
  }

  .control-step {
    min-height: 0;
  }

  .control-step__top {
    margin-bottom: 24px;
  }

  .asset-line {
    grid-template-columns: 1fr;
  }

  .asset-step,
  .asset-step:not(:first-child) {
    min-height: 0;
    padding: 22px 0 24px;
    border-right: 0;
  }

  .asset-step h3 {
    margin-top: 14px;
  }

  .asset-scenes {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .relationship-column {
    min-height: 0;
  }

  .relationship-column h3 {
    margin-top: 36px;
  }

  .case-ledger {
    display: block;
  }

  .case-ledger__label {
    padding-bottom: 8px;
  }

  .case-step {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 14px;
  }

  .case-step h3,
  .case-step p {
    grid-column: 2;
  }

  .case-step p {
    margin-top: -8px;
  }

  .control-row,
  .capability-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
  }

  .control-row p,
  .capability-item p {
    grid-column: 2;
  }

  .cooperation-step {
    min-height: 0;
  }

  .cooperation-step h3 {
    margin-top: 24px;
  }

  .site-footer {
    margin-top: 40px;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-block: 46px 34px;
  }

  .site-footer__solutions {
    gap: 12px 20px;
  }

  .site-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .motion-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }
}