:root {
  --ink: #080808;
  --ink-soft: #101112;
  --steel: #2a2a2a;
  --steel-cool: #788489;
  --gold: #c6a15b;
  --gold-bright: #ddbd7b;
  --paper: #f5f5f5;
  --muted: rgba(245, 245, 245, 0.62);
  --line: rgba(245, 245, 245, 0.14);
  --content: min(1320px, calc(100% - 96px));
  --scroll-progress: 0;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
  scrollbar-color: #514936 var(--ink);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--paper);
  font-family: "Noto Sans SC", system-ui, sans-serif;
  font-weight: 400;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body::selection {
  background: var(--gold);
  color: var(--ink);
}

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

body::before {
  content: "";
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: calc(var(--scroll-progress) * 100%);
  height: 2px;
  background: var(--gold);
  pointer-events: none;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 1px solid var(--gold-bright);
  outline-offset: 5px;
}

.section-dark {
  position: relative;
  background: var(--ink);
}

.section-mark {
  margin: 0 0 26px;
  color: var(--gold);
  font-family: "Source Sans 3", "Noto Sans SC", sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.5;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 146px;
  height: 50px;
  gap: 14px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  transition: color 260ms ease, background-color 260ms ease, border-color 260ms ease, transform 260ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--gold {
  position: relative;
  overflow: hidden;
  background: var(--gold);
  color: #11100e;
}

.button--gold::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 20%, rgba(255, 255, 255, 0.5) 48%, transparent 76%);
  transform: translateX(-130%);
  transition: transform 700ms ease;
}

.button--gold:hover::after {
  transform: translateX(130%);
}

.button--gold > * {
  position: relative;
  z-index: 1;
}

.button--line {
  border-color: rgba(245, 245, 245, 0.38);
  background: rgba(8, 8, 8, 0.12);
  color: var(--paper);
  backdrop-filter: blur(8px);
}

.button--line:hover {
  border-color: var(--gold);
  color: var(--gold-bright);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 900ms cubic-bezier(0.22, 1, 0.36, 1), transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Header */
.site-header {
  position: fixed;
  z-index: 60;
  inset: 0 0 auto;
  height: 78px;
  border-bottom: 1px solid rgba(245, 245, 245, 0.12);
  background: linear-gradient(180deg, rgba(8, 8, 8, 0.74), rgba(8, 8, 8, 0.08));
  transition: height 300ms ease, background-color 300ms ease, border-color 300ms ease;
}

.site-header--scrolled {
  height: 68px;
  border-color: rgba(245, 245, 245, 0.1);
  background: rgba(8, 8, 8, 0.9);
  backdrop-filter: blur(16px);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 230px 1fr 138px;
  align-items: center;
  width: var(--content);
  height: 100%;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
  min-width: 0;
}

.brand__signal {
  width: 3px;
  height: 29px;
  margin-right: 13px;
  background: var(--gold);
  box-shadow: 0 0 22px rgba(198, 161, 91, 0.25);
}

.brand__cn {
  font-size: 19px;
  font-weight: 600;
  line-height: 1;
}

.brand__en {
  margin-left: 12px;
  color: rgba(245, 245, 245, 0.58);
  font-family: "Source Sans 3", sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.desktop-nav a {
  position: relative;
  color: rgba(245, 245, 245, 0.68);
  font-size: 13px;
  font-weight: 400;
  line-height: 1;
  transition: color 220ms ease;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 260ms ease;
}

.desktop-nav a:hover {
  color: var(--paper);
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 9px;
  color: var(--gold-bright);
  font-size: 13px;
  font-weight: 500;
}

.header-action svg {
  transition: transform 220ms ease;
}

.header-action:hover svg {
  transform: translate(3px, -3px);
}

.menu-toggle,
.mobile-drawer {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  min-height: 760px;
  height: 100svh;
  overflow: hidden;
  background: var(--ink);
}

.hero__media {
  position: absolute;
  inset: -4%;
  background-image: url("assets/steel-03.jpg");
  background-position: center center;
  background-size: cover;
  transform: scale(1.06);
  will-change: transform;
}

.hero__edge {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 8, 8, 0.94) 0%, rgba(8, 8, 8, 0.72) 34%, rgba(8, 8, 8, 0.15) 70%, rgba(8, 8, 8, 0.3) 100%),
    linear-gradient(180deg, rgba(8, 8, 8, 0.25), transparent 42%, rgba(8, 8, 8, 0.62));
}

.hero__grid {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image: linear-gradient(90deg, transparent calc(100% - 1px), rgba(245, 245, 245, 0.16) 1px);
  background-size: 25% 100%;
}

.hero__frame {
  position: relative;
  display: flex;
  align-items: flex-end;
  width: var(--content);
  height: 100%;
  margin: 0 auto;
  padding: 0 0 118px;
}

.hero__content {
  width: 570px;
  max-width: calc(100% - 80px);
}

.hero__identity {
  display: flex;
  align-items: center;
  margin-bottom: 33px;
}

.hero__bar {
  width: 4px;
  height: 62px;
  margin-right: 22px;
  background: var(--gold);
}

.hero__name {
  margin: 0 0 8px;
  color: var(--paper);
  font-size: 43px;
  font-weight: 500;
  line-height: 1;
}

.hero__english {
  margin: 0;
  color: var(--gold-bright);
  font-family: "Source Sans 3", sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.25;
}

.hero h1 {
  margin: 0;
  color: rgba(245, 245, 245, 0.93);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.35;
}

.hero__copy {
  width: 430px;
  max-width: 100%;
  margin: 21px 0 0;
  color: rgba(245, 245, 245, 0.64);
  font-size: 15px;
  font-weight: 300;
  line-height: 2;
}

.hero__actions {
  display: flex;
  gap: 14px;
  margin-top: 33px;
}

.hero__side-note {
  position: absolute;
  right: 0;
  bottom: 118px;
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(245, 245, 245, 0.45);
  font-family: "Source Sans 3", sans-serif;
  font-size: 10px;
  writing-mode: vertical-rl;
}

.hero__side-note b {
  color: var(--gold);
  font-size: 13px;
  font-weight: 500;
}

.hero__scroll {
  position: absolute;
  right: 46px;
  bottom: 30px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(245, 245, 245, 0.5);
  font-size: 11px;
}

.hero__scroll svg {
  color: var(--gold);
  animation: scroll-nudge 1.8s ease-in-out infinite;
}

@keyframes scroll-nudge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* Brand story */
.story {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(390px, 0.75fr);
  min-height: 790px;
  border-top: 1px solid var(--line);
}

.story__media {
  position: relative;
  min-height: 790px;
  overflow: hidden;
}

.story__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 58%, var(--ink) 100%);
}

.story__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.78) contrast(1.05);
  transition: transform 1.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.story__media.is-visible img {
  transform: scale(1.025);
}

.story__media-index {
  position: absolute;
  z-index: 2;
  left: 48px;
  bottom: 40px;
  color: rgba(245, 245, 245, 0.42);
  font-family: "Source Sans 3", sans-serif;
  font-size: 14px;
}

.story__body {
  align-self: center;
  max-width: 520px;
  padding: 86px 72px 86px 16px;
}

.story__body h2 {
  margin: 0;
  font-size: 46px;
  font-weight: 400;
  line-height: 1.45;
}

.story__line {
  width: 58px;
  height: 1px;
  margin: 36px 0;
  background: var(--gold);
}

.story__body > p:not(.section-mark) {
  margin: 0 0 18px;
  color: rgba(245, 245, 245, 0.58);
  font-size: 14px;
  font-weight: 300;
  line-height: 2.05;
}

.story__principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-top: 43px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.story__principles span {
  min-height: 56px;
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: rgba(245, 245, 245, 0.76);
  font-size: 12px;
  text-align: center;
}

/* Shared section intro */
.section-intro {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  align-items: end;
  width: var(--content);
  margin: 0 auto 58px;
}

.section-intro h2,
.business__heading h2 {
  margin: 0;
  font-size: 40px;
  font-weight: 400;
  line-height: 1.4;
}

.section-intro > p {
  justify-self: end;
  width: 410px;
  max-width: 100%;
  margin: 0 0 3px;
  color: rgba(245, 245, 245, 0.52);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.95;
}

/* Capability stage */
.capabilities {
  padding: 130px 0 150px;
  border-top: 1px solid var(--line);
}

.capability-stage {
  display: grid;
  grid-template-columns: minmax(330px, 0.72fr) minmax(0, 1.4fr);
  width: var(--content);
  min-height: 600px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.capability-stage__nav {
  display: grid;
  grid-template-rows: repeat(4, 1fr);
}

.capability-stage__nav button {
  display: grid;
  grid-template-columns: 44px 1fr 22px;
  align-items: center;
  min-height: 108px;
  padding: 0 30px 0 4px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: rgba(245, 245, 245, 0.42);
  cursor: pointer;
  text-align: left;
  transition: color 280ms ease, padding 280ms ease, background-color 280ms ease;
}

.capability-stage__nav button:last-child {
  border-bottom: 0;
}

.capability-stage__nav button:hover,
.capability-stage__nav button.is-active {
  padding-left: 18px;
  background: rgba(245, 245, 245, 0.035);
  color: var(--paper);
}

.capability-stage__nav button > span {
  color: var(--gold);
  font-family: "Source Sans 3", sans-serif;
  font-size: 11px;
}

.capability-stage__nav strong {
  font-size: 22px;
  font-weight: 400;
}

.capability-stage__nav svg {
  color: var(--gold);
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: opacity 260ms ease, transform 260ms ease;
}

.capability-stage__nav button.is-active svg {
  opacity: 1;
  transform: translate(0, 0);
}

.capability-stage__visual {
  position: relative;
  min-height: 600px;
  overflow: hidden;
  background: #151718;
}

.capability-stage__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(8, 8, 8, 0.88));
  pointer-events: none;
}

.capability-stage__visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.04);
  filter: saturate(0.75) contrast(1.08);
  transition: opacity 650ms ease, transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.capability-stage__visual img.is-active {
  opacity: 1;
  transform: scale(1);
}

.capability-stage__caption {
  position: absolute;
  z-index: 2;
  right: 46px;
  bottom: 42px;
  left: 46px;
  display: grid;
  grid-template-columns: 220px 1fr;
  align-items: end;
  animation: caption-in 500ms ease both;
}

@keyframes caption-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.capability-stage__caption span {
  color: var(--gold-bright);
  font-family: "Source Sans 3", sans-serif;
  font-size: 11px;
  font-weight: 600;
}

.capability-stage__caption p {
  margin: 0;
  color: rgba(245, 245, 245, 0.76);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.9;
}

/* Business mosaic */
.business {
  border-top: 1px solid var(--line);
}

.business__heading {
  width: var(--content);
  margin: 0 auto;
  padding: 120px 0 62px;
}

.business-mosaic {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.business-panel {
  position: relative;
  min-height: 510px;
  overflow: hidden;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.business-panel:nth-child(2n) {
  border-right: 0;
}

.business-panel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.68) brightness(0.74) contrast(1.08);
  transition: transform 1.1s cubic-bezier(0.22, 1, 0.36, 1), filter 700ms ease;
}

.business-panel:nth-child(2) img {
  object-position: center 45%;
}

.business-panel__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 8, 8, 0.1) 20%, rgba(8, 8, 8, 0.88) 100%);
  transition: background 600ms ease;
}

.business-panel:hover img {
  transform: scale(1.045);
  filter: saturate(0.9) brightness(0.85) contrast(1.08);
}

.business-panel__index {
  position: absolute;
  top: 34px;
  left: 40px;
  color: rgba(245, 245, 245, 0.52);
  font-family: "Source Sans 3", sans-serif;
  font-size: 12px;
}

.business-panel__content {
  position: absolute;
  right: 92px;
  bottom: 42px;
  left: 40px;
}

.business-panel__content > span {
  color: var(--gold-bright);
  font-family: "Source Sans 3", sans-serif;
  font-size: 11px;
  font-weight: 600;
}

.business-panel__content h3 {
  margin: 14px 0 13px;
  font-size: 32px;
  font-weight: 400;
  line-height: 1.3;
}

.business-panel__content p {
  margin: 0;
  color: rgba(245, 245, 245, 0.6);
  font-size: 13px;
  font-weight: 300;
  line-height: 1.8;
}

.business-panel > a {
  position: absolute;
  right: 38px;
  bottom: 42px;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(245, 245, 245, 0.34);
  border-radius: 50%;
  color: var(--gold-bright);
  transition: border-color 260ms ease, background-color 260ms ease, color 260ms ease, transform 260ms ease;
}

.business-panel > a:hover {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--ink);
  transform: rotate(8deg);
}

/* Supply chain */
.chain {
  min-height: 760px;
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.chain__backdrop {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image: linear-gradient(90deg, rgba(245, 245, 245, 0.05) 1px, transparent 1px), linear-gradient(rgba(245, 245, 245, 0.035) 1px, transparent 1px);
  background-size: 110px 110px;
  mask-image: linear-gradient(90deg, transparent, black 20%, black 80%, transparent);
}

.chain::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -8%;
  width: 48%;
  height: 64%;
  opacity: 0.16;
  background: url("assets/industry-02.jpg") center / cover no-repeat;
  mask-image: linear-gradient(90deg, transparent 0%, black 52%);
  filter: grayscale(1);
}

.chain__inner {
  position: relative;
  z-index: 2;
  width: var(--content);
  margin: 0 auto;
  padding: 128px 0 115px;
}

.section-intro--compact {
  width: 100%;
  margin-bottom: 112px;
}

.chain-flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1120px;
  margin: 0 auto;
}

.chain-flow__track {
  position: absolute;
  top: 32px;
  right: 12.5%;
  left: 12.5%;
  height: 1px;
  overflow: visible;
  background: rgba(198, 161, 91, 0.32);
}

.chain-flow__track::before {
  content: "";
  position: absolute;
  inset: -1px 0 auto;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold-bright), transparent);
  animation: flow-light 3.6s linear infinite;
}

.chain-flow__track span {
  position: absolute;
  top: -3px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold-bright);
  box-shadow: 0 0 15px rgba(221, 189, 123, 0.72);
  animation: flow-dot 4.8s ease-in-out infinite;
}

@keyframes flow-light {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}

@keyframes flow-dot {
  from { left: 0; }
  to { left: calc(100% - 7px); }
}

.chain-node {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.chain-node__icon {
  display: grid;
  width: 65px;
  height: 65px;
  place-items: center;
  border: 1px solid rgba(198, 161, 91, 0.5);
  border-radius: 50%;
  background: var(--ink);
  color: var(--gold-bright);
  box-shadow: 0 0 0 10px rgba(8, 8, 8, 0.92);
}

.chain-node > span {
  margin-top: 28px;
  color: var(--gold);
  font-family: "Source Sans 3", sans-serif;
  font-size: 10px;
}

.chain-node strong {
  margin-top: 8px;
  color: rgba(245, 245, 245, 0.9);
  font-size: 20px;
  font-weight: 400;
}

.chain-node small {
  margin-top: 6px;
  color: rgba(245, 245, 245, 0.4);
  font-family: "Source Sans 3", sans-serif;
  font-size: 11px;
}

.chain__assurance {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1120px;
  margin: 78px auto 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.chain__assurance span {
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: rgba(245, 245, 245, 0.5);
  font-size: 12px;
  text-align: center;
}

/* Vision */
.vision {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 760px;
  overflow: hidden;
  background: var(--ink);
}

.vision > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 57%;
  filter: saturate(0.76) contrast(1.06);
}

.vision__edge {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 8, 8, 0.92) 0%, rgba(8, 8, 8, 0.65) 40%, rgba(8, 8, 8, 0.08) 76%),
    linear-gradient(180deg, rgba(8, 8, 8, 0.22), transparent 40%, rgba(8, 8, 8, 0.35));
}

.vision__content {
  position: relative;
  z-index: 2;
  width: var(--content);
  margin: 0 auto;
}

.vision__content h2 {
  margin: 0;
  font-size: 54px;
  font-weight: 400;
  line-height: 1.45;
}

.vision__content > p:last-child {
  margin: 34px 0 0;
  color: rgba(245, 245, 245, 0.58);
  font-size: 14px;
  font-weight: 300;
  line-height: 2;
}

/* Contact */
.contact {
  padding: 124px 0 110px;
  border-top: 1px solid var(--line);
}

.contact__inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 110px;
  width: var(--content);
  margin: 0 auto;
}

.contact__lead h2 {
  margin: 0;
  font-size: 40px;
  font-weight: 400;
  line-height: 1.55;
}

.contact__lead .button {
  margin-top: 44px;
}

.contact__details {
  border-top: 1px solid rgba(245, 245, 245, 0.24);
}

.contact__details > div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 28px;
  align-items: center;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}

.contact__details span {
  color: var(--gold);
  font-size: 12px;
}

.contact__details strong {
  color: rgba(245, 245, 245, 0.74);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
}

/* Footer */
.site-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  width: var(--content);
  margin: 0 auto;
  padding: 40px 0;
  border-top: 1px solid var(--line);
}

.site-footer__meta {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(245, 245, 245, 0.38);
  font-family: "Source Sans 3", "Noto Sans SC", sans-serif;
  font-size: 10px;
}

.site-footer__meta a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(245, 245, 245, 0.6);
  transition: color 220ms ease;
}

.site-footer__meta a:hover {
  color: var(--gold-bright);
}

@media (max-width: 1180px) {
  :root {
    --content: min(100% - 56px, 1100px);
  }

  .site-header__inner {
    grid-template-columns: 190px 1fr 120px;
  }

  .desktop-nav {
    gap: 18px;
  }

  .desktop-nav a {
    font-size: 12px;
  }

  .story {
    grid-template-columns: minmax(0, 1.25fr) minmax(370px, 0.75fr);
  }

  .story__body {
    padding-right: 46px;
  }

  .story__body h2 {
    font-size: 40px;
  }
}

@media (max-width: 940px) {
  :root {
    --content: calc(100% - 40px);
  }

  .site-header,
  .site-header--scrolled {
    height: 66px;
  }

  .site-header__inner {
    grid-template-columns: 1fr 42px;
  }

  .brand__cn {
    font-size: 18px;
  }

  .desktop-nav,
  .header-action {
    display: none;
  }

  .menu-toggle {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--paper);
  }

  .mobile-drawer {
    position: fixed;
    inset: 66px 0 0;
    display: block;
    padding: 34px 20px 44px;
    overflow-y: auto;
    background: rgba(8, 8, 8, 0.97);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 260ms ease, transform 260ms ease;
  }

  .mobile-drawer--open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .mobile-drawer nav {
    border-top: 1px solid var(--line);
  }

  .mobile-drawer a {
    display: grid;
    grid-template-columns: 48px 1fr;
    align-items: center;
    min-height: 62px;
    border-bottom: 1px solid var(--line);
    color: rgba(245, 245, 245, 0.82);
    font-size: 15px;
  }

  .mobile-drawer a span {
    color: var(--gold);
    font-family: "Source Sans 3", sans-serif;
    font-size: 10px;
  }

  .hero {
    min-height: 720px;
  }

  .hero__media {
    background-position: 61% center;
  }

  .hero__content {
    width: 520px;
  }

  .hero__side-note {
    display: none;
  }

  .story {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .story__media {
    min-height: 520px;
  }

  .story__media::after {
    background: linear-gradient(180deg, transparent 60%, var(--ink) 100%);
  }

  .story__body {
    max-width: 680px;
    padding: 28px 20px 96px;
  }

  .capability-stage {
    grid-template-columns: 300px 1fr;
  }

  .capability-stage__caption {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .business-panel {
    min-height: 440px;
  }

  .contact__inner {
    gap: 60px;
  }

  .site-footer {
    align-items: flex-start;
  }

  .site-footer__meta {
    flex-direction: column;
    align-items: flex-end;
    gap: 9px;
  }
}

@media (max-width: 720px) {
  :root {
    --content: calc(100% - 40px);
  }

  .section-mark {
    margin-bottom: 18px;
    font-size: 11px;
  }

  .button {
    min-width: 0;
    height: 48px;
    padding: 0 21px;
    font-size: 13px;
  }

  .brand__signal {
    height: 26px;
  }

  .brand__en {
    display: none;
  }

  .hero {
    min-height: 700px;
    height: 100svh;
    max-height: 860px;
  }

  .hero__media {
    inset: -2%;
    background-position: 63% center;
    transform: scale(1.04);
  }

  .hero__edge {
    background:
      linear-gradient(90deg, rgba(8, 8, 8, 0.88) 0%, rgba(8, 8, 8, 0.46) 66%, rgba(8, 8, 8, 0.2) 100%),
      linear-gradient(180deg, rgba(8, 8, 8, 0.18), transparent 30%, rgba(8, 8, 8, 0.78));
  }

  .hero__grid {
    background-size: 50% 100%;
  }

  .hero__frame {
    align-items: flex-end;
    padding-bottom: 82px;
  }

  .hero__content {
    width: 100%;
    max-width: 100%;
  }

  .hero__identity {
    margin-bottom: 25px;
  }

  .hero__bar {
    height: 52px;
    margin-right: 17px;
  }

  .hero__name {
    font-size: 36px;
  }

  .hero__english {
    font-size: 10px;
  }

  .hero h1 {
    font-size: 22px;
  }

  .hero__copy {
    width: 330px;
    margin-top: 17px;
    font-size: 14px;
    line-height: 1.85;
  }

  .hero__actions {
    gap: 10px;
    margin-top: 27px;
  }

  .hero__scroll {
    right: 0;
    bottom: 24px;
  }

  .story__media {
    min-height: 390px;
  }

  .story__media img {
    object-position: 60% center;
  }

  .story__media-index {
    left: 20px;
    bottom: 28px;
  }

  .story__body {
    padding-top: 24px;
    padding-bottom: 84px;
  }

  .story__body h2 {
    font-size: 34px;
    line-height: 1.45;
  }

  .story__line {
    margin: 28px 0;
  }

  .story__body > p:not(.section-mark) {
    font-size: 13px;
    line-height: 2;
  }

  .story__principles {
    margin-top: 34px;
  }

  .story__principles span {
    padding: 15px 8px;
    font-size: 11px;
  }

  .capabilities {
    padding: 84px 0 96px;
  }

  .section-intro {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 38px;
  }

  .section-intro h2,
  .business__heading h2 {
    font-size: 31px;
    line-height: 1.45;
  }

  .section-intro > p {
    justify-self: start;
    width: 100%;
    font-size: 13px;
  }

  .capability-stage {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .capability-stage__nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: auto;
    overflow-x: auto;
  }

  .capability-stage__nav button {
    grid-template-columns: 1fr;
    min-width: 92px;
    min-height: 82px;
    padding: 12px 8px;
    border-right: 1px solid var(--line);
    border-bottom: 0;
    text-align: center;
  }

  .capability-stage__nav button:last-child {
    border-right: 0;
  }

  .capability-stage__nav button:hover,
  .capability-stage__nav button.is-active {
    padding-left: 8px;
  }

  .capability-stage__nav button > span {
    margin-bottom: 6px;
  }

  .capability-stage__nav strong {
    font-size: 14px;
  }

  .capability-stage__nav svg {
    display: none;
  }

  .capability-stage__visual {
    min-height: 430px;
  }

  .capability-stage__caption {
    right: 22px;
    bottom: 24px;
    left: 22px;
    gap: 9px;
  }

  .capability-stage__caption p {
    font-size: 12px;
    line-height: 1.8;
  }

  .business__heading {
    padding: 82px 0 40px;
  }

  .business-mosaic {
    grid-template-columns: 1fr;
  }

  .business-panel {
    min-height: 430px;
    border-right: 0;
  }

  .business-panel__index {
    top: 25px;
    left: 20px;
  }

  .business-panel__content {
    right: 72px;
    bottom: 27px;
    left: 20px;
  }

  .business-panel__content h3 {
    margin: 11px 0 10px;
    font-size: 28px;
  }

  .business-panel__content p {
    font-size: 12px;
  }

  .business-panel > a {
    right: 20px;
    bottom: 28px;
    width: 40px;
    height: 40px;
  }

  .chain {
    min-height: 0;
  }

  .chain::after {
    width: 100%;
    height: 36%;
    opacity: 0.11;
  }

  .chain__inner {
    padding: 88px 0 82px;
  }

  .section-intro--compact {
    margin-bottom: 56px;
  }

  .chain-flow {
    grid-template-columns: 1fr;
    gap: 0;
    max-width: 320px;
    margin-left: 0;
  }

  .chain-flow__track {
    top: 32px;
    bottom: 32px;
    left: 32px;
    width: 1px;
    height: auto;
    background: rgba(198, 161, 91, 0.34);
  }

  .chain-flow__track::before,
  .chain-flow__track span {
    display: none;
  }

  .chain-node {
    display: grid;
    grid-template-columns: 66px 42px 1fr;
    grid-template-rows: 32px 32px;
    align-items: center;
    min-height: 112px;
    text-align: left;
  }

  .chain-node__icon {
    grid-row: 1 / 3;
    width: 65px;
    height: 65px;
  }

  .chain-node > span {
    grid-column: 2;
    grid-row: 1 / 3;
    margin: 0;
    text-align: center;
  }

  .chain-node strong {
    grid-column: 3;
    grid-row: 1;
    align-self: end;
    margin: 0;
    font-size: 18px;
  }

  .chain-node small {
    grid-column: 3;
    grid-row: 2;
    align-self: start;
    margin-top: 4px;
  }

  .chain__assurance {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 50px;
  }

  .chain__assurance span {
    font-size: 11px;
  }

  .vision {
    min-height: 680px;
  }

  .vision > img {
    object-position: 56% center;
  }

  .vision__edge {
    background:
      linear-gradient(90deg, rgba(8, 8, 8, 0.86) 0%, rgba(8, 8, 8, 0.46) 70%, rgba(8, 8, 8, 0.18)),
      linear-gradient(180deg, rgba(8, 8, 8, 0.12), transparent 40%, rgba(8, 8, 8, 0.55));
  }

  .vision__content h2 {
    font-size: 37px;
    line-height: 1.5;
  }

  .vision__content > p:last-child {
    margin-top: 25px;
    font-size: 13px;
  }

  .contact {
    padding: 84px 0 72px;
  }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: 66px;
  }

  .contact__lead h2 {
    font-size: 31px;
    line-height: 1.55;
  }

  .contact__lead .button {
    margin-top: 34px;
  }

  .contact__details > div {
    grid-template-columns: 90px 1fr;
    gap: 16px;
    min-height: 68px;
  }

  .contact__details span {
    font-size: 11px;
  }

  .contact__details strong {
    font-size: 12px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 30px;
    padding: 34px 0 44px;
  }

  .site-footer__meta {
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 390px) {
  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .button {
    width: 100%;
  }

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

  .capability-stage__nav strong {
    font-size: 12px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}