/*
  LINGQSY public site system
  Shape rule: panels 12-16px, controls 8px, action buttons full-pill.
  Theme rule: one light cold-luxury theme with deep forest green as the only accent.
*/

:root {
  color-scheme: light;
  --bg: oklch(97.2% 0.006 164);
  --surface: oklch(94.7% 0.008 164);
  --surface-strong: oklch(99.1% 0.003 164);
  --surface-metal: oklch(90.5% 0.011 164);
  --ink: oklch(22.5% 0.016 164);
  --ink-soft: oklch(34% 0.018 164);
  --muted: oklch(43% 0.014 164);
  --placeholder: oklch(45% 0.012 164);
  --line: oklch(83.5% 0.012 164);
  --line-strong: oklch(69% 0.018 164);
  --accent: oklch(31% 0.062 158);
  --accent-hover: oklch(25% 0.054 158);
  --accent-soft: oklch(92.5% 0.022 158);
  --on-accent: oklch(97.8% 0.006 164);
  --danger: oklch(43% 0.145 28);
  --danger-soft: oklch(95% 0.025 28);
  --success: oklch(34% 0.08 158);
  --focus: oklch(47% 0.08 158);
  --font-sans: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, system-ui, sans-serif;
  --font-display: "Aptos Display", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --radius-panel: 16px;
  --radius-media: 12px;
  --radius-control: 8px;
  --radius-pill: 999px;
  --header-height: 72px;
  --shell: min(1400px, calc(100vw - 96px));
  --section-space: clamp(5rem, 9vw, 9rem);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --z-sticky: 30;
  --z-scrim: 50;
  --z-dialog: 60;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: oklch(17.5% 0.012 164);
    --surface: oklch(21.5% 0.014 164);
    --surface-strong: oklch(24.5% 0.016 164);
    --surface-metal: oklch(29% 0.018 164);
    --ink: oklch(94% 0.007 164);
    --ink-soft: oklch(83% 0.01 164);
    --muted: oklch(72% 0.012 164);
    --placeholder: oklch(68% 0.012 164);
    --line: oklch(35% 0.017 164);
    --line-strong: oklch(47% 0.022 164);
    --accent: oklch(75% 0.085 158);
    --accent-hover: oklch(81% 0.075 158);
    --accent-soft: oklch(27% 0.028 158);
    --on-accent: oklch(18% 0.02 158);
    --danger: oklch(75% 0.13 28);
    --danger-soft: oklch(26% 0.045 28);
    --success: oklch(76% 0.09 158);
    --focus: oklch(78% 0.09 158);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: oklch(17.5% 0.012 164);
  --surface: oklch(21.5% 0.014 164);
  --surface-strong: oklch(24.5% 0.016 164);
  --surface-metal: oklch(29% 0.018 164);
  --ink: oklch(94% 0.007 164);
  --ink-soft: oklch(83% 0.01 164);
  --muted: oklch(72% 0.012 164);
  --placeholder: oklch(68% 0.012 164);
  --line: oklch(35% 0.017 164);
  --line-strong: oklch(47% 0.022 164);
  --accent: oklch(75% 0.085 158);
  --accent-hover: oklch(81% 0.075 158);
  --accent-soft: oklch(27% 0.028 158);
  --on-accent: oklch(18% 0.02 158);
  --danger: oklch(75% 0.13 28);
  --danger-soft: oklch(26% 0.045 28);
  --success: oklch(76% 0.09 158);
  --focus: oklch(78% 0.09 158);
}

:root[data-theme="light"] {
  color-scheme: light;
}

html.theme-changing *,
html.theme-changing *::before,
html.theme-changing *::after {
  transition: none !important;
}

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

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  background: var(--bg);
}

body {
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

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

button {
  border: 0;
}

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

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

ol,
ul {
  padding: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 620;
  letter-spacing: -0.035em;
  line-height: 1.08;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

::selection {
  background: var(--accent);
  color: var(--on-accent);
}

::placeholder {
  color: var(--placeholder);
  opacity: 1;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

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

.site-main {
  position: relative;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: calc(var(--z-dialog) + 1);
  padding: 10px 16px;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 180ms var(--ease-out);
}

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

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.site-header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: clamp(1.25rem, 3vw, 3.5rem);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  min-width: 190px;
  gap: 12px;
  flex: 0 0 auto;
}

.wordmark__logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.wordmark__fallback {
  display: grid;
  gap: 1px;
}

.wordmark__fallback.is-hidden {
  display: none;
}

.wordmark__cn {
  font-size: 1.05rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.wordmark__en {
  color: var(--muted);
  font-size: 0.625rem;
  font-weight: 720;
  letter-spacing: 0.17em;
  line-height: 1.2;
}

.desktop-nav {
  display: flex;
  align-items: stretch;
  align-self: stretch;
  gap: clamp(1rem, 2vw, 2.1rem);
  margin-left: auto;
  white-space: nowrap;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 620;
  transition: color 220ms var(--ease-out);
}

.nav-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 280ms var(--ease-out);
}

.nav-link:hover,
.nav-link.is-current {
  color: var(--ink);
}

.nav-link:hover::after,
.nav-link.is-current::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.text-action,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 700;
  line-height: 1.3;
}

.text-action {
  min-height: 42px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  font-size: 0.86rem;
  white-space: nowrap;
  transition: background-color 200ms var(--ease-out), color 200ms var(--ease-out), transform 180ms var(--ease-out);
}

.text-action:hover {
  background: var(--accent);
  color: var(--on-accent);
}

.text-action:active,
.button:active,
.icon-button:active,
.menu-toggle:active {
  transform: translateY(1px) scale(0.98);
}

.menu-toggle,
.icon-button {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background-color 180ms var(--ease-out), color 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.menu-toggle:hover,
.icon-button:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-scrim);
  visibility: hidden;
  pointer-events: none;
}

.mobile-menu.is-open {
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu__scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  background: oklch(22.5% 0.016 164 / 0.45);
  opacity: 0;
  cursor: default;
  transition: opacity 260ms var(--ease-out);
}

.mobile-menu__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(420px, 92vw);
  min-height: 100dvh;
  padding: 20px clamp(1.25rem, 6vw, 2.5rem) 36px;
  background: var(--surface-strong);
  transform: translateX(100%);
  transition: transform 360ms var(--ease-out);
}

.mobile-menu.is-open .mobile-menu__scrim {
  opacity: 1;
}

.mobile-menu.is-open .mobile-menu__panel {
  transform: translateX(0);
}

.mobile-menu__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  border-bottom: 1px solid var(--line);
}

.mobile-menu__title {
  font-weight: 720;
}

.mobile-nav {
  display: grid;
  margin-top: 28px;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  min-height: 58px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 1.25rem;
  font-weight: 640;
}

.mobile-nav a[aria-current="page"] {
  color: var(--accent);
}

.mobile-menu__utility {
  display: grid;
  justify-items: start;
  gap: 16px;
  margin-top: 32px;
}

.mobile-menu__utility a,
.mobile-menu__utility button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.92rem;
  cursor: pointer;
}

.theme-toggle {
  flex: 0 0 auto;
}

/* Buttons and shared headings */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 0.94rem;
  font-weight: 720;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 220ms var(--ease-out), border-color 220ms var(--ease-out), color 220ms var(--ease-out), transform 180ms var(--ease-out);
}

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

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

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

.button--secondary:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.text-link {
  position: relative;
  width: fit-content;
  padding-bottom: 5px;
  font-size: 0.93rem;
}

.text-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0.28);
  transform-origin: left;
  transition: transform 260ms var(--ease-out);
}

.text-link:hover::after {
  transform: scaleX(1);
}

.section-heading {
  display: grid;
  justify-items: start;
  max-width: 790px;
  gap: 18px;
}

.section-heading--compact {
  max-width: 720px;
}

.section-heading h2,
.album-section__intro h2,
.closing-call h2,
.case-method h2 {
  font-size: clamp(2.25rem, 4.7vw, 4.75rem);
}

.section-heading p:not(.section-kicker),
.album-section__intro > p,
.closing-call p,
.case-method p {
  max-width: 62ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.3vw, 1.14rem);
}

.section-kicker {
  color: var(--accent);
  font-size: 0.77rem;
  font-weight: 760;
  letter-spacing: 0.09em;
}

/* Home hero */

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 8rem);
  min-height: calc(100dvh - var(--header-height));
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

.home-hero__copy {
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 28px;
}

.home-hero h1 {
  max-width: 780px;
  font-size: clamp(3.25rem, 6.1vw, 5.75rem);
}

.home-hero h1 span {
  display: block;
}

.home-hero__copy > p {
  max-width: 34ch;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.45vw, 1.24rem);
  line-height: 1.75;
}

.hero-actions,
.closing-call__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.fabric-stage {
  position: relative;
  min-height: min(670px, 70dvh);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--surface);
}

.fabric-stage > canvas,
.inner-hero__visual > canvas,
.craft-sequence__canvas > canvas,
.solution-chapter__visual > canvas,
.case-item__media > canvas,
.case-empty__visual > canvas,
.address-band > canvas {
  width: 100%;
  height: 100%;
}

.fabric-stage__media {
  position: absolute;
  inset: 9% 8% 15% 31%;
  overflow: hidden;
  border-radius: var(--radius-media);
  background: var(--surface-metal);
}

.fabric-stage__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fabric-stage__measure {
  position: absolute;
  inset: 8%;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr auto;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  pointer-events: none;
}

.fabric-stage__measure span:nth-child(2) {
  grid-column: 2;
  justify-self: end;
}

.fabric-stage__measure span:nth-child(3) {
  grid-row: 3;
  grid-column: 1 / -1;
  justify-self: center;
}

.fabric-stage figcaption,
.inner-hero__visual figcaption {
  position: absolute;
  right: 18px;
  bottom: 16px;
  left: 18px;
  padding: 10px 12px;
  border-radius: var(--radius-control);
  background: var(--surface-strong);
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.5;
}

.proof-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof-band__inner {
  display: grid;
  grid-template-columns: minmax(250px, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 7rem);
  min-height: 170px;
  padding-block: 32px;
}

.proof-band h2 {
  max-width: 560px;
  font-size: clamp(1.55rem, 2.6vw, 2.45rem);
}

.proof-band p {
  max-width: 64ch;
  color: var(--muted);
}

.client-logos {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.client-logos img {
  width: auto;
  max-width: 148px;
  height: 42px;
  object-fit: contain;
  filter: grayscale(1);
}

/* Service rail */

.service-section,
.industry-section,
.album-section,
.principles,
.cooperation,
.case-gallery,
.contact-faq {
  position: relative;
  padding-block: var(--section-space);
}

.service-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  column-gap: clamp(3rem, 7vw, 8rem);
}

.service-section .rail-controls {
  display: flex;
  align-self: end;
  gap: 6px;
  margin-top: 32px;
}

.service-rail {
  grid-row: 1 / span 2;
  grid-column: 2;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(230px, 0.66fr);
  gap: 36px;
  overflow-x: auto;
  scroll-snap-type: inline mandatory;
  scrollbar-color: var(--line-strong) transparent;
  scrollbar-width: thin;
  overscroll-behavior-inline: contain;
}

.service-step {
  display: grid;
  align-content: start;
  min-height: 330px;
  padding: 28px 10px 28px 0;
  border-top: 1px solid var(--line-strong);
  scroll-snap-align: start;
}

.service-step > i {
  margin-bottom: 76px;
  color: var(--accent);
  font-size: 2rem;
}

.service-step h3 {
  margin-bottom: 14px;
  font-size: 1.65rem;
}

.service-step p {
  color: var(--muted);
  font-size: 0.93rem;
}

/* Industry mosaic */

.industry-section {
  border-top: 1px solid var(--line);
}

.industry-mosaic {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
  margin-top: clamp(3rem, 6vw, 6rem);
}

.industry-piece {
  display: grid;
  min-width: 0;
  border-top: 1px solid var(--line-strong);
}

.industry-piece--1 {
  grid-column: 1 / span 7;
  grid-row: span 2;
}

.industry-piece--2 {
  grid-column: 9 / -1;
}

.industry-piece--3 {
  grid-column: 8 / -1;
}

.industry-piece--4 {
  grid-column: 2 / span 8;
  grid-template-columns: minmax(240px, 0.8fr) minmax(280px, 1.2fr);
  align-items: stretch;
  margin-top: clamp(1rem, 4vw, 4rem);
}

.industry-piece--extra {
  grid-column: span 6;
}

.industry-piece--extra .industry-piece__visual {
  min-height: 360px;
}

.industry-piece__visual {
  position: relative;
  min-height: 260px;
  margin-top: 16px;
  overflow: hidden;
  border-radius: var(--radius-media);
  background: var(--surface-metal);
}

.industry-piece--1 .industry-piece__visual {
  min-height: 570px;
}

.industry-piece--4 .industry-piece__visual {
  min-height: 340px;
  margin: 0;
}

.industry-piece__visual img,
.industry-piece__visual canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.industry-piece__body {
  display: grid;
  justify-items: start;
  align-content: start;
  padding: 24px 0 4px;
}

.industry-piece--4 .industry-piece__body {
  align-content: center;
  padding: 36px;
  background: var(--surface);
}

.industry-piece__body > i {
  margin-bottom: 26px;
  color: var(--accent);
  font-size: 1.75rem;
}

.industry-piece__body h3 {
  margin-bottom: 12px;
  font-size: clamp(1.45rem, 2.3vw, 2.25rem);
}

.industry-piece__body p {
  max-width: 46ch;
  color: var(--muted);
}

.industry-piece__body a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 720;
}

/* Albums */

.album-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(3rem, 7vw, 8rem);
  border-top: 1px solid var(--line);
}

.album-section__intro {
  position: sticky;
  top: calc(var(--header-height) + 40px);
  align-self: start;
  display: grid;
  justify-items: start;
  gap: 22px;
}

.album-showcase {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: clamp(2rem, 4vw, 4rem) clamp(1.25rem, 2vw, 2rem);
}

.album-preview:nth-child(3n + 1) {
  grid-column: 1 / -1;
}

.album-preview__media {
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius-media);
  background: var(--surface-metal);
}

.album-preview:nth-child(3n + 1) .album-preview__media {
  aspect-ratio: 16 / 10;
}

.album-preview__media img,
.album-preview__media canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 620ms var(--ease-out);
}

.album-preview__media:hover img,
.album-preview__media:hover canvas {
  transform: scale(1.025);
}

.album-preview__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
}

.album-preview__meta h3 {
  font-size: 1.35rem;
}

.album-preview__meta span {
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.album-empty {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(240px, 1.1fr);
  align-items: center;
  overflow: hidden;
  border-radius: var(--radius-panel);
  background: var(--surface);
}

.album-empty canvas {
  width: 100%;
  height: 410px;
}

.album-empty > div {
  display: grid;
  justify-items: start;
  gap: 14px;
  padding: 40px;
}

.album-empty h3 {
  font-size: 2rem;
}

.album-empty p {
  color: var(--muted);
}

.album-empty a {
  margin-top: 8px;
  color: var(--accent);
  font-weight: 700;
}

.closing-call {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(2rem, 8vw, 9rem);
  padding-block: var(--section-space);
  border-top: 1px solid var(--line-strong);
}

.closing-call > div:first-child {
  display: grid;
  max-width: 880px;
  gap: 22px;
}

/* Inner page hero */

.inner-hero {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(420px, 1.18fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 8rem);
  min-height: calc(100dvh - var(--header-height));
  padding-block: clamp(3rem, 7vw, 6rem);
}

.inner-hero__copy {
  display: grid;
  gap: 26px;
}

.inner-hero h1,
.case-hero h1,
.contact-hero h1 {
  font-size: clamp(3rem, 5.9vw, 5.6rem);
}

.inner-hero__copy > p,
.case-hero__summary > p,
.contact-hero__copy > p {
  max-width: 48ch;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.45vw, 1.22rem);
}

.inner-hero__visual {
  position: relative;
  min-height: min(610px, 68dvh);
  overflow: hidden;
  border-radius: var(--radius-panel);
  background: var(--surface-metal);
}

.inner-hero__visual > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* About */

.about-statement {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(3rem, 8vw, 10rem);
  padding-block: var(--section-space);
  border-top: 1px solid var(--line);
}

.about-statement__name {
  display: grid;
  align-content: start;
  gap: 18px;
}

.about-statement__name h2 {
  max-width: 13ch;
  font-size: clamp(2.15rem, 4vw, 4rem);
}

.about-statement__copy {
  display: grid;
  gap: 28px;
  max-width: 69ch;
  color: var(--ink-soft);
  font-size: clamp(1.12rem, 1.6vw, 1.38rem);
  line-height: 1.86;
}

.principles {
  border-top: 1px solid var(--line);
}

.principle-list {
  margin-top: clamp(3rem, 6vw, 6rem);
}

.principle-row {
  display: grid;
  grid-template-columns: 72px minmax(180px, 0.42fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(1rem, 4vw, 4rem);
  padding-block: 28px;
  border-top: 1px solid var(--line);
}

.principle-row:last-child {
  border-bottom: 1px solid var(--line);
}

.principle-row > i {
  color: var(--accent);
  font-size: 2rem;
}

.principle-row h3 {
  font-size: 1.7rem;
}

.principle-row p {
  max-width: 60ch;
  color: var(--muted);
}

.craft-sequence {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(3rem, 8vw, 9rem);
  padding-block: var(--section-space);
  border-top: 1px solid var(--line);
}

.craft-sequence__canvas {
  min-height: 720px;
  overflow: hidden;
  border-radius: var(--radius-panel);
  background: var(--surface-metal);
}

.craft-sequence__content {
  display: grid;
  align-content: center;
  gap: clamp(3rem, 7vw, 7rem);
}

.sequence-list {
  display: grid;
  list-style: none;
}

.sequence-list li {
  display: grid;
  grid-template-columns: minmax(180px, 0.72fr) minmax(0, 1.28fr);
  gap: 24px;
  padding-block: 24px;
  border-top: 1px solid var(--line);
}

.sequence-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.sequence-list h3 {
  font-size: 1.3rem;
}

.sequence-list--services li {
  grid-template-columns: minmax(0, 1fr);
}

.sequence-list p {
  color: var(--muted);
}

/* Solutions */

.inner-hero--solutions .inner-hero__visual {
  min-height: min(540px, 62dvh);
}

.solution-index {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(3rem, 8vw, 9rem);
  padding-block: clamp(4rem, 7vw, 7rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.solution-index__intro {
  display: grid;
  align-content: start;
  gap: 16px;
}

.solution-index__intro h2 {
  font-size: clamp(2rem, 3.4vw, 3.2rem);
}

.solution-index__intro p {
  max-width: 44ch;
  color: var(--muted);
}

.solution-index__links {
  display: grid;
}

.solution-index__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 66px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 1.12rem;
  font-weight: 680;
  transition: color 180ms var(--ease-out), transform 240ms var(--ease-out);
}

.solution-index__links a:first-child {
  border-top: 1px solid var(--line);
}

.solution-index__links a:hover {
  color: var(--accent);
  transform: translateX(10px);
}

.solution-chapters {
  padding-block: var(--section-space);
}

.solution-chapter {
  display: grid;
  grid-template-columns: minmax(360px, 1.12fr) minmax(300px, 0.88fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 10rem);
  padding-block: clamp(4rem, 8vw, 8rem);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.solution-chapter--reverse .solution-chapter__visual {
  grid-column: 2;
}

.solution-chapter--reverse .solution-chapter__content {
  grid-column: 1;
  grid-row: 1;
}

.solution-chapter--wide {
  grid-template-columns: minmax(0, 1fr);
}

.solution-chapter--wide .solution-chapter__visual {
  min-height: 620px;
}

.solution-chapter--wide .solution-chapter__content {
  max-width: 760px;
  margin-left: clamp(0px, 14vw, 190px);
}

.solution-chapter__visual {
  min-height: 500px;
  overflow: hidden;
  border-radius: var(--radius-panel);
  background: var(--surface-metal);
}

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

.solution-chapter__content {
  display: grid;
  justify-items: start;
  gap: 22px;
}

.solution-chapter__content h2 {
  font-size: clamp(2.3rem, 4vw, 4.2rem);
}

.solution-chapter__content > p {
  max-width: 51ch;
  color: var(--muted);
  font-size: 1.06rem;
}

.solution-chapter__content .solution-chapter__long-copy,
.managed-copy {
  white-space: pre-line;
}

.solution-chapter__content ul {
  display: grid;
  width: 100%;
  list-style: none;
}

.solution-chapter__content li {
  display: flex;
  align-items: center;
  gap: 11px;
  padding-block: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
}

.solution-chapter__content li i {
  color: var(--accent);
  font-size: 1.15rem;
}

.cooperation {
  border-top: 1px solid var(--line);
}

.cooperation-flow {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.8fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  margin-top: clamp(3rem, 6vw, 6rem);
}

.cooperation-flow article {
  min-height: 250px;
  padding-top: 28px;
  border-top: 1px solid var(--line-strong);
}

.cooperation-flow article:nth-child(2) {
  margin-top: 54px;
}

.cooperation-flow article:nth-child(3) {
  margin-top: 108px;
}

.cooperation-flow h3 {
  margin-bottom: 24px;
  font-size: 1.8rem;
}

.cooperation-flow p {
  color: var(--muted);
}

/* Cases */

.case-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(280px, 0.68fr);
  align-items: end;
  gap: clamp(3rem, 8vw, 10rem);
  min-height: min(720px, calc(100dvh - var(--header-height)));
  padding-block: clamp(4rem, 8vw, 8rem);
}

.case-hero__summary {
  display: grid;
  justify-items: start;
  gap: 28px;
  padding-bottom: 12px;
}

.case-gallery {
  border-top: 1px solid var(--line);
}

.case-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(3rem, 7vw, 7rem) clamp(1.5rem, 3vw, 3rem);
  margin-top: clamp(3rem, 7vw, 7rem);
}

.case-item--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 7rem);
}

.case-item__media {
  display: block;
  aspect-ratio: 5 / 4;
  overflow: hidden;
  border-radius: var(--radius-media);
  background: var(--surface-metal);
}

.case-item--featured .case-item__media {
  aspect-ratio: 16 / 11;
}

.case-item__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 640ms var(--ease-out);
}

.case-item__media:hover img {
  transform: scale(1.025);
}

.case-item__body {
  display: grid;
  justify-items: start;
  gap: 14px;
  padding-top: 22px;
}

.case-item--featured .case-item__body {
  padding: 0;
}

.case-item__logo {
  width: auto;
  max-width: 140px;
  height: 44px;
  margin-bottom: 12px;
  object-fit: contain;
  object-position: left center;
}

.case-item__body h3 {
  font-size: clamp(1.65rem, 2.6vw, 2.7rem);
}

.case-item__body > p {
  max-width: 50ch;
  color: var(--muted);
}

.case-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  color: var(--muted);
  font-size: 0.8rem;
}

.case-empty {
  display: grid;
  grid-template-columns: minmax(280px, 1.18fr) minmax(260px, 0.82fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  margin-top: clamp(3rem, 7vw, 7rem);
}

.case-empty__visual {
  height: 480px;
  overflow: hidden;
  border-radius: var(--radius-panel);
  background: var(--surface-metal);
}

.case-empty > div:last-child {
  display: grid;
  justify-items: start;
  gap: 18px;
}

.case-empty h3 {
  font-size: clamp(2rem, 3.8vw, 3.6rem);
}

.case-empty p {
  color: var(--muted);
}

.case-method {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(3rem, 8vw, 9rem);
  padding-block: var(--section-space);
  border-top: 1px solid var(--line);
}

.case-method__copy {
  display: grid;
  align-content: start;
  gap: 22px;
}

.case-method__points {
  display: grid;
  align-content: center;
}

.case-method__points p {
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: center;
  gap: 16px;
  max-width: none;
  padding-block: 22px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 1rem;
}

.case-method__points p:first-child {
  border-top: 1px solid var(--line);
}

.case-method__points i {
  color: var(--accent);
  font-size: 1.5rem;
}

/* Contact */

.contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(300px, 0.78fr);
  align-items: end;
  gap: clamp(3rem, 8vw, 10rem);
  min-height: min(650px, calc(100dvh - var(--header-height)));
  padding-block: clamp(4rem, 8vw, 8rem);
}

.contact-hero__copy {
  display: grid;
  gap: 28px;
}

.contact-hero__details {
  display: grid;
  gap: 26px;
}

.contact-detail {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 18px;
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
}

.contact-detail > i {
  color: var(--accent);
  font-size: 1.5rem;
}

.contact-detail > div {
  display: grid;
  justify-items: start;
  gap: 7px;
}

.contact-detail span {
  color: var(--muted);
  font-size: 0.8rem;
}

.contact-detail p {
  color: var(--ink-soft);
  font-weight: 650;
}

.contact-detail a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.contact-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(310px, 0.65fr);
  align-items: start;
  gap: clamp(2rem, 5vw, 5rem);
  padding-block: var(--section-space);
  border-top: 1px solid var(--line);
}

.contact-workspace__form {
  padding: clamp(1.5rem, 4vw, 4rem);
  border-radius: var(--radius-panel);
  background: var(--surface-strong);
}

.inquiry-form {
  display: grid;
  gap: 34px;
}

.form-intro {
  display: grid;
  gap: 14px;
}

.form-intro h2 {
  font-size: clamp(2rem, 3.6vw, 3.5rem);
}

.form-intro p {
  max-width: 60ch;
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 20px;
}

.field {
  display: grid;
  align-content: start;
  gap: 8px;
  min-width: 0;
}

.field--wide {
  grid-column: 1 / -1;
}

.field label,
.field-label {
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 700;
}

.field label > span[aria-hidden="true"] {
  color: var(--danger);
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  background: var(--bg);
  color: var(--ink);
  transition: border-color 180ms var(--ease-out), background-color 180ms var(--ease-out);
}

.field input {
  min-height: 50px;
  padding: 0 14px;
}

.field textarea {
  min-height: 150px;
  padding: 13px 14px;
  resize: vertical;
}

.field input:hover,
.field textarea:hover {
  border-color: var(--ink-soft);
}

.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  background: var(--surface-strong);
  outline: 3px solid oklch(47% 0.08 158 / 0.22);
  outline-offset: 1px;
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.field-hint,
.field-meta {
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.45;
}

.field-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.field-error {
  min-height: 1.2em;
  color: var(--danger);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.45;
}

.file-drop {
  display: grid;
  justify-items: center;
  min-height: 190px;
  padding: 30px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-control);
  background: var(--bg);
  text-align: center;
  cursor: pointer;
  transition: border-color 180ms var(--ease-out), background-color 180ms var(--ease-out);
}

.file-drop:hover,
.file-drop.is-dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.file-drop > i {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 2rem;
}

.file-drop__title {
  font-weight: 720;
}

.file-drop__help {
  max-width: 52ch;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 500;
}

.file-list {
  display: grid;
  gap: 8px;
  list-style: none;
}

.file-list li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto 36px;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.file-list .file-remove {
  width: 34px;
  height: 34px;
  justify-self: end;
}

.file-list li span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-list li small {
  color: var(--muted);
}

.consent-row {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  cursor: pointer;
}

.consent-row input {
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--accent);
}

.consent-row a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.consent-error {
  margin-top: -28px;
  margin-left: 30px;
}

.form-submit-row {
  display: flex;
  align-items: center;
  gap: 18px;
}

.button--submit.is-loading i {
  animation: icon-spin 800ms linear infinite;
}

.form-status {
  color: var(--muted);
  font-size: 0.86rem;
}

.form-status.is-success {
  color: var(--success);
  font-weight: 700;
}

.form-status.is-error {
  color: var(--danger);
  font-weight: 700;
}

.contact-workspace__aside {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  display: grid;
  gap: 24px;
}

.wechat-card,
.submission-note {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: var(--radius-panel);
  background: var(--surface);
}

.wechat-card__top {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  margin-bottom: 24px;
}

.wechat-card__top > i {
  color: var(--accent);
  font-size: 1.75rem;
}

.wechat-card h2,
.submission-note h2 {
  margin-bottom: 8px;
  font-size: 1.45rem;
}

.wechat-card p,
.submission-note p {
  color: var(--muted);
  font-size: 0.84rem;
}

.wechat-card .wechat-card__account {
  margin-top: 7px;
  color: var(--accent);
  font-weight: 700;
}

.wechat-card > img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-media);
  background: var(--surface-strong);
  object-fit: contain;
}

.submission-note {
  display: grid;
  gap: 16px;
}

.submission-note h2 {
  margin: 0 0 4px;
}

.submission-note p {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
}

.submission-note i {
  color: var(--accent);
  font-size: 1.1rem;
}

.contact-faq {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(3rem, 8vw, 9rem);
  border-top: 1px solid var(--line);
}

.faq-list {
  display: grid;
  align-content: start;
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list details:first-child {
  border-top: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 74px;
  color: var(--ink-soft);
  font-weight: 700;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary i {
  flex: 0 0 auto;
  color: var(--accent);
  transition: transform 240ms var(--ease-out);
}

.faq-list details[open] summary i {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 66ch;
  padding: 0 54px 26px 0;
  color: var(--muted);
}

.address-band {
  position: relative;
  display: grid;
  min-height: 520px;
  margin-bottom: var(--section-space);
  overflow: hidden;
  border-radius: var(--radius-panel);
  background: var(--surface-metal);
}

.address-band > canvas {
  position: absolute;
  inset: 0;
}

.address-band > div {
  position: relative;
  display: grid;
  align-content: center;
  justify-items: start;
  max-width: 780px;
  gap: 22px;
  padding: clamp(2rem, 7vw, 7rem);
}

.address-band p {
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 740;
}

.address-band h2 {
  font-size: clamp(2.4rem, 5vw, 5rem);
}

/* Privacy */

.privacy-page {
  padding-block: clamp(5rem, 9vw, 9rem);
}

.privacy-page__header {
  display: grid;
  max-width: 850px;
  gap: 24px;
  padding-bottom: clamp(3rem, 7vw, 7rem);
}

.privacy-page__header h1 {
  font-size: clamp(3.25rem, 7vw, 5.8rem);
}

.privacy-page__header p {
  max-width: 58ch;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.45vw, 1.22rem);
}

.privacy-page__content {
  display: grid;
  max-width: 980px;
  margin-left: clamp(0px, 13vw, 180px);
}

.privacy-page__content section {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1.58fr);
  gap: 18px clamp(2rem, 6vw, 6rem);
  padding-block: 32px;
  border-top: 1px solid var(--line);
}

.privacy-page__content section:last-child {
  border-bottom: 1px solid var(--line);
}

.privacy-page__content h2 {
  grid-row: 1 / span 3;
  font-size: 1.35rem;
}

.privacy-page__content p {
  grid-column: 2;
  max-width: 68ch;
  color: var(--muted);
}

.privacy-page__content a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.privacy-page__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 44px;
  margin-left: clamp(0px, 13vw, 180px);
}

/* Not found */

.not-found {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(420px, 1.18fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 9rem);
  min-height: calc(100dvh - var(--header-height));
  padding-block: clamp(3rem, 7vw, 6rem);
}

.not-found__copy {
  display: grid;
  justify-items: start;
  gap: 24px;
}

.not-found__copy h1 {
  font-size: clamp(3rem, 5.8vw, 5.5rem);
}

.not-found__copy > p:not(.section-kicker) {
  max-width: 48ch;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.45vw, 1.22rem);
}

.not-found__visual {
  position: relative;
  min-height: min(580px, 64dvh);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--surface-metal);
}

.not-found__visual canvas {
  width: 100%;
  height: 100%;
}

.not-found__visual figcaption {
  position: absolute;
  right: 18px;
  bottom: 16px;
  left: 18px;
  padding: 10px 12px;
  border-radius: var(--radius-control);
  background: var(--surface-strong);
  color: var(--ink-soft);
  font-size: 0.78rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line-strong);
  background: var(--surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(300px, 1fr) auto;
  gap: clamp(2rem, 6vw, 7rem);
  padding-block: clamp(3.5rem, 7vw, 6rem);
}

.footer-brand {
  display: grid;
  align-content: start;
  gap: 12px;
}

.footer-brand__name {
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 760;
}

.footer-brand > p:last-child {
  max-width: 40ch;
  color: var(--muted);
  font-size: 0.84rem;
}

.footer-contact {
  display: grid;
  align-content: start;
  gap: 14px;
}

.footer-contact p {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.footer-contact i {
  color: var(--accent);
  font-size: 1.05rem;
}

.footer-links {
  display: grid;
  align-content: start;
  justify-items: end;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 650;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--accent);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding-block: 20px 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
}

/* Entrance and page transitions */

@keyframes brand-enter {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes icon-spin {
  to { transform: rotate(360deg); }
}

@keyframes page-out {
  to { opacity: 0; transform: translateY(-8px); }
}

@keyframes page-in {
  from { opacity: 0; transform: translateY(10px); }
}

::view-transition-old(root) {
  animation: 160ms var(--ease-out) both page-out;
}

::view-transition-new(root) {
  animation: 340ms var(--ease-out) both page-in;
}

@media (prefers-reduced-motion: no-preference) {
  .home-hero__copy > *,
  .inner-hero__copy > *,
  .case-hero__title,
  .contact-hero__copy > * {
    animation: brand-enter 680ms var(--ease-out) both;
  }

  .home-hero__copy > *:nth-child(2),
  .inner-hero__copy > *:nth-child(2),
  .contact-hero__copy > *:nth-child(2) {
    animation-delay: 90ms;
  }

  .home-hero__copy > *:nth-child(3) {
    animation-delay: 160ms;
  }
}

/* Responsive */

@media (max-width: 1180px) {
  :root {
    --shell: min(1400px, calc(100vw - 56px));
  }

  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-grid;
  }

  .header-actions {
    margin-left: auto;
  }

  .home-hero,
  .inner-hero {
    grid-template-columns: minmax(300px, 0.9fr) minmax(380px, 1.1fr);
    gap: 3rem;
  }

  .home-hero h1,
  .inner-hero h1 {
    font-size: clamp(3.1rem, 6.2vw, 4.9rem);
  }

  .industry-piece--2 {
    grid-column: 8 / -1;
  }

  .industry-piece--3 {
    grid-column: 7 / -1;
  }

  .solution-chapter,
  .case-item--featured {
    gap: 3rem;
  }
}

@media (max-width: 900px) {
  :root {
    --shell: min(1400px, calc(100vw - 40px));
    --section-space: clamp(4.5rem, 12vw, 7rem);
  }

  .home-hero,
  .inner-hero,
  .case-hero,
  .contact-hero,
  .about-statement,
  .craft-sequence,
  .solution-index,
  .case-method,
  .contact-faq {
    grid-template-columns: minmax(0, 1fr);
  }

  .not-found {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
  }

  .home-hero,
  .inner-hero {
    min-height: auto;
    padding-block: 4rem 5rem;
  }

  .home-hero h1 span {
    display: inline;
  }

  .fabric-stage,
  .inner-hero__visual {
    min-height: 560px;
  }

  .proof-band__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    padding-block: 36px;
  }

  .client-logos {
    justify-content: flex-start;
  }

  .service-section,
  .album-section {
    grid-template-columns: minmax(0, 1fr);
  }

  .service-section .rail-controls {
    margin: 22px 0;
  }

  .service-rail {
    grid-row: auto;
    grid-column: auto;
    grid-auto-columns: minmax(230px, 42vw);
  }

  .industry-piece--1 {
    grid-column: 1 / span 7;
  }

  .industry-piece--2,
  .industry-piece--3 {
    grid-column: 8 / -1;
  }

  .industry-piece--4 {
    grid-column: 2 / -1;
  }

  .album-section__intro,
  .contact-workspace__aside {
    position: static;
  }

  .album-showcase {
    margin-top: 1rem;
  }

  .closing-call {
    align-items: flex-start;
    flex-direction: column;
  }

  .principle-row {
    grid-template-columns: 52px minmax(160px, 0.45fr) minmax(0, 1fr);
  }

  .craft-sequence__canvas {
    min-height: 520px;
  }

  .solution-chapter,
  .solution-chapter--wide {
    grid-template-columns: minmax(0, 1fr);
  }

  .solution-chapter--reverse .solution-chapter__visual,
  .solution-chapter--reverse .solution-chapter__content {
    grid-column: auto;
    grid-row: auto;
  }

  .solution-chapter--wide .solution-chapter__content {
    margin-left: 0;
  }

  .cooperation-flow {
    grid-template-columns: 1.2fr 1fr 0.8fr;
  }

  .case-hero,
  .contact-hero {
    min-height: auto;
    padding-block: 5rem;
  }

  .contact-workspace {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .footer-links {
    grid-column: 1 / -1;
    display: flex;
    justify-items: start;
    gap: 24px;
  }
}

@media (max-width: 700px) {
  :root {
    --header-height: 64px;
    --shell: calc(100vw - 32px);
  }

  body {
    font-size: 15px;
  }

  .site-header__inner {
    gap: 12px;
  }

  .wordmark {
    min-width: 0;
  }

  .wordmark__logo {
    width: 38px;
    height: 38px;
  }

  .wordmark__cn {
    font-size: 0.95rem;
  }

  .wordmark__en {
    font-size: 0.54rem;
    letter-spacing: 0.11em;
  }

  .text-action {
    min-height: 40px;
    padding: 0 14px;
  }

  .text-action span {
    display: none;
  }

  .menu-toggle,
  .icon-button {
    width: 42px;
    height: 42px;
  }

  .home-hero,
  .inner-hero {
    gap: 3rem;
    padding-block: 3.25rem 4.5rem;
  }

  .home-hero h1,
  .inner-hero h1,
  .case-hero h1,
  .contact-hero h1 {
    font-size: clamp(2.6rem, 13vw, 4rem);
    letter-spacing: -0.035em;
  }

  .hero-actions,
  .closing-call__actions {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr;
  }

  .hero-actions .button,
  .closing-call__actions .button {
    width: 100%;
  }

  .fabric-stage,
  .inner-hero__visual {
    min-height: 470px;
  }

  .fabric-stage__media {
    inset: 9% 7% 17% 24%;
  }

  .section-heading h2,
  .album-section__intro h2,
  .closing-call h2,
  .case-method h2 {
    font-size: clamp(2.15rem, 10vw, 3.45rem);
  }

  .service-rail {
    grid-auto-columns: 78vw;
  }

  .service-step {
    min-height: 300px;
  }

  .industry-mosaic {
    grid-template-columns: minmax(0, 1fr);
  }

  .industry-piece--1,
  .industry-piece--2,
  .industry-piece--3,
  .industry-piece--4,
  .industry-piece--extra {
    grid-column: auto;
    grid-row: auto;
    grid-template-columns: minmax(0, 1fr);
    margin-top: 0;
  }

  .industry-piece--1 .industry-piece__visual,
  .industry-piece__visual,
  .industry-piece--4 .industry-piece__visual {
    min-height: 330px;
    margin-top: 14px;
  }

  .industry-piece--4 .industry-piece__body {
    padding: 24px 0 4px;
    background: transparent;
  }

  .album-showcase {
    grid-template-columns: minmax(0, 1fr);
  }

  .album-preview:nth-child(3n + 1) {
    grid-column: auto;
  }

  .album-preview:nth-child(3n + 1) .album-preview__media,
  .album-preview__media {
    aspect-ratio: 4 / 5;
  }

  .album-empty,
  .case-empty {
    grid-template-columns: minmax(0, 1fr);
  }

  .album-empty canvas {
    height: 320px;
  }

  .album-empty > div {
    padding: 28px;
  }

  .about-statement,
  .craft-sequence,
  .solution-index,
  .case-method,
  .contact-faq {
    gap: 3rem;
  }

  .principle-row {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 16px;
  }

  .principle-row p {
    grid-column: 2;
  }

  .sequence-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .solution-chapter,
  .solution-chapter--wide {
    gap: 2rem;
    padding-block: 4.5rem;
  }

  .solution-chapter__visual,
  .solution-chapter--wide .solution-chapter__visual {
    min-height: 390px;
  }

  .cooperation-flow {
    grid-template-columns: minmax(0, 1fr);
  }

  .cooperation-flow article,
  .cooperation-flow article:nth-child(2),
  .cooperation-flow article:nth-child(3) {
    min-height: 0;
    margin-top: 0;
    padding-block: 24px;
  }

  .case-layout,
  .case-item--featured {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-item--featured {
    grid-column: auto;
    gap: 0;
  }

  .case-item--featured .case-item__body {
    padding-top: 22px;
  }

  .case-empty__visual {
    height: 360px;
  }

  .contact-workspace__form {
    padding: 24px 18px;
  }

  .form-grid,
  .contact-workspace__aside {
    grid-template-columns: minmax(0, 1fr);
  }

  .field--wide {
    grid-column: auto;
  }

  .form-submit-row {
    align-items: stretch;
    flex-direction: column;
  }

  .button--submit {
    width: 100%;
  }

  .address-band {
    min-height: 430px;
  }

  .address-band > div {
    padding: 32px 24px;
  }

  .privacy-page__content,
  .privacy-page__actions {
    margin-left: 0;
  }

  .privacy-page__content section {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .privacy-page__content h2,
  .privacy-page__content p {
    grid-row: auto;
    grid-column: auto;
  }

  .privacy-page__actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .privacy-page__actions .button {
    width: 100%;
  }

  .not-found {
    padding-block: 3.25rem 4.5rem;
  }

  .not-found__copy h1 {
    font-size: clamp(2.6rem, 13vw, 4rem);
  }

  .not-found__visual {
    min-height: 420px;
  }

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

  .footer-links {
    grid-column: auto;
    flex-wrap: wrap;
    justify-content: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none;
  }
}

@media print {
  .site-header,
  .mobile-menu,
  .site-footer,
  .hero-actions,
  .closing-call,
  .rail-controls,
  .button,
  .contact-workspace__aside {
    display: none !important;
  }

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

  .section-shell,
  .shell {
    width: 100%;
  }
}