:root {
  color-scheme: light;
  --ink: #404040;
  --muted: #6f6f6f;
  --line: #c1c1c1;
  --paper: #fdfdfd;
  --soft: #f3f3f3;
  --blue: #00b3ff;
  --blue-mid: #0d72e5;
  --blue-deep: #001ca6;
  --blue-footer: #001aa1;
  --font: "PingFang SC", "Source Han Sans CN", "Microsoft YaHei", Arial, sans-serif;
}

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

html {
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body,
button,
a {
  font-family: var(--font);
}

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

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

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  padding: 10px 14px;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  transform: translateY(-160%);
}

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

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

/* Westwell-style fixed navigation */
.site-header {
  position: fixed;
  top: 2.0833vw;
  left: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 3.8542vw minmax(0, 1fr) 3.8542vw;
  align-items: center;
  width: 100vw;
  height: 3.6458vw;
  padding: 0 4.6875vw;
  pointer-events: none;
  transition: top 0.6s ease;
}

.menu-toggle,
.nav-balance {
  width: 3.8542vw;
  height: 3.6458vw;
  border: 1px solid var(--line);
  border-radius: 1.0417vw;
  background: #fff;
  transition: transform 0.45s ease, opacity 0.45s ease, border-color 0.2s ease;
}

.menu-toggle {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3125vw;
  color: inherit;
  font: inherit;
  cursor: pointer;
  pointer-events: auto;
}

.menu-toggle span {
  width: 1.3542vw;
  height: 0.1563vw;
  min-height: 2px;
  border-radius: 10px;
  background: #a2a2a2;
  transition: width 0.2s ease, background 0.2s ease, opacity 0.2s ease, transform 0.3s ease;
}

.menu-toggle:hover {
  border-color: var(--muted);
}

.menu-toggle:hover span {
  background: var(--muted);
}

.menu-toggle:hover span:nth-child(2) {
  width: 0.6771vw;
}

.nav-balance {
  border-color: transparent;
  opacity: 0;
}

.nav-capsule {
  position: relative;
  justify-self: center;
  display: flex;
  align-items: center;
  width: 100%;
  height: 3.6458vw;
  max-width: max-content;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.0417vw;
  background: #fff;
  pointer-events: auto;
  transition: width 0.6s ease, border-radius 0.3s ease;
}

.brand {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: 4.2917vw;
  margin-left: 1.5625vw;
  margin-right: 2.6042vw;
  transition: width 0.5s ease, margin 0.5s ease;
}

.brand img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  height: 100%;
  white-space: nowrap;
  transition: opacity 0.3s ease, max-width 0.55s ease;
}

.site-nav a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 2.6042vw;
  color: var(--ink);
  font-size: 0.8333vw;
  font-weight: 400;
  line-height: 1;
  transition: color 0.2s ease;
}

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

.nav-contact {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: 6.875vw;
  height: calc(100% - 0.4167vw);
  margin-left: 1.3021vw;
  margin-right: 0.2083vw;
  border-radius: 0.8333vw;
  background: var(--blue);
  color: #fff;
  font-size: 0.8333vw;
  transition: width 0.3s ease, height 0.3s ease, border-radius 0.3s ease, opacity 0.25s ease;
}

.nav-contact:hover {
  width: 7.0833vw;
  height: calc(100% + 0.1042vw);
  border-radius: 1.0417vw;
}

.site-header.is-compact {
  top: 1.0417vw;
}

.site-header.is-compact .nav-capsule {
  width: 3.8542vw;
}

.site-header.is-compact .site-nav,
.site-header.is-compact .nav-contact {
  max-width: 0;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.site-header.is-compact .brand {
  width: 2.2917vw;
  margin: 0 0.78125vw;
}

.site-header.is-compact .menu-toggle {
  opacity: 0;
  pointer-events: none;
  transform: translateX(16.6667vw);
}

/* Shared typography */
.ww-module {
  position: relative;
  margin-top: 10.4167vw;
  padding: 0 4.1667vw;
}

.ww-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5625vw;
}

.ww-copy h1,
.ww-copy h2,
.ww-copy h3,
.ww-copy p {
  text-align: center;
  white-space: pre-wrap;
}

.ww-copy h1 {
  font-size: 3.125vw;
  font-weight: 500;
  line-height: 3.75vw;
}

.ww-copy p {
  color: var(--muted);
  font-size: 0.9375vw;
  line-height: 1.3542vw;
}

.product-narrative {
  padding: 0;
}

.home-intro {
  padding: 0 1.7708vw;
}

/* The reference site's pinned, horizontally progressing product story */
.story-scroll {
  position: relative;
  height: 1700vh;
}

.story-viewport {
  position: sticky;
  top: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.story-rotation {
  --track-x: 0vw;
  display: flex;
  position: relative;
  width: max-content;
  height: 100%;
  transform: translate3d(var(--track-x), 0, 0);
  will-change: transform;
}

.product-story {
  --story-width: 30vw;
  --story-height: 60vh;
  --story-gap: 20vw;
  --story-cut: 2.0833vw;
  --story-x: 0%;
  --story-y: 0px;
  --local: 0;
  --local-pct: 0%;
  --local-inverse-pct: 100%;
  --local-opacity: 0.35;
  --local-chip-down: 2vw;
  --local-chip-up: -2vw;
  --local-earth-x: 0vw;
  --local-earth-scale: 1;
  --local-rotate: -24deg;
  --local-rotate-reverse: 24deg;
  --local-beam: 8%;
  --local-target-scale: 0.7;
  --local-node-scale: 0.5;
  --local-space-scale: 1.08;
  --local-grid-y: 0vw;
  --space-one-top: 66%;
  --space-two-top: 72%;
  --space-three-top: 69%;
  --local-ring-scale: 0.72;
  --local-ring-opacity: 0.2;
  --local-beidou-scale: 0.9;
  --local-pulse: 0vw;
  display: flex;
  flex: none;
  flex-direction: column;
  align-items: center;
  box-sizing: content-box;
  width: calc(var(--story-width) - var(--story-cut));
  height: calc(var(--story-height) - 2.0833vw);
  margin-right: calc(var(--story-gap) - 2.0833vw);
  padding: 1.0417vw;
  transform: translate3d(var(--story-x), var(--story-y), 0);
  will-change: width, height, transform;
}

.product-story:first-child {
  --story-width: 100vw;
  --story-height: 100vh;
  --story-gap: 0vw;
}

.story-canvas {
  position: relative;
  flex: none;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 1.875vw;
  background: #062e6f;
  isolation: isolate;
  will-change: clip-path;
}

.story-canvas::after {
  position: absolute;
  inset: 0;
  z-index: 8;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: inherit;
  content: "";
  pointer-events: none;
}

.story-frame {
  position: absolute;
  inset: 0;
  z-index: 4;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-video {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.025);
  transition: opacity 0.6s ease, transform 2.4s ease;
}

.story-canvas.has-video-ready .story-video {
  opacity: 1;
  transform: scale(1);
}

.story-canvas.has-video-ready .story-frame {
  opacity: 0.34;
  mix-blend-mode: screen;
}

.story-canvas.has-frame-renderer > img {
  opacity: 0;
}

.story-caption {
  flex: none;
  align-items: flex-start;
  width: 28vw;
  margin-top: 4.1667vw;
  gap: 0.65vw;
}

.story-caption h2,
.story-caption p {
  text-align: left;
}

.story-caption h2 {
  color: var(--ink);
  font-size: 1.3542vw;
  font-weight: 500;
  line-height: 1.875vw;
}

.story-caption p {
  color: var(--muted);
  font-size: 0.9375vw;
  line-height: 1.3542vw;
}

.story-caption a,
.more-link {
  margin-top: 0.4vw;
  color: var(--ink);
  font-size: 0.9375vw;
  transition: color 0.2s ease;
}

.story-caption a:hover,
.more-link:hover {
  color: var(--blue);
}

.story-chip {
  position: absolute;
  z-index: 10;
  padding: 0.55vw 0.8vw;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 1vw;
  background: rgba(0, 27, 90, 0.62);
  box-shadow: 0 0.6vw 1.8vw rgba(0, 30, 92, 0.22);
  color: #fff;
  font-size: 0.72vw;
  line-height: 1;
  opacity: var(--local-opacity);
  backdrop-filter: blur(8px);
}

.story-chip--one {
  top: 8%;
  right: 7%;
  transform: translateY(var(--local-chip-down));
}

.story-chip--two {
  right: 10%;
  bottom: 8%;
  transform: translateY(var(--local-chip-up));
}

/* Story 1: satellite acquisition */
.story-canvas--earth {
  background:
    radial-gradient(circle at 22% 76%, rgba(0, 179, 255, 0.48), transparent 32%),
    radial-gradient(circle at 72% 28%, rgba(42, 95, 255, 0.65), transparent 36%),
    linear-gradient(135deg, #001a70, #003a91 52%, #006ac4);
}

.story-canvas--earth img {
  position: absolute;
  top: 13%;
  bottom: auto;
  left: 12%;
  z-index: 3;
  width: 36%;
  height: 72%;
  object-fit: cover;
  object-position: center;
  mix-blend-mode: screen;
  transform: translate3d(var(--local-earth-x), 0, 0) scale(var(--local-earth-scale));
  filter: saturate(1.12) contrast(1.05);
}

.earth-grid {
  position: absolute;
  inset: -20%;
  z-index: 1;
  background-image:
    linear-gradient(rgba(84, 196, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(84, 196, 255, 0.16) 1px, transparent 1px);
  background-size: 4vw 4vw;
  transform: perspective(50vw) rotateX(58deg) translateY(calc(12% - var(--local-pct)));
  transform-origin: center bottom;
  mask-image: linear-gradient(to top, #000, transparent 74%);
}

.earth-orbit {
  position: absolute;
  z-index: 4;
  border: 1px solid rgba(136, 226, 255, 0.62);
  border-radius: 50%;
  transform: rotate(var(--local-rotate));
}

.earth-orbit--one {
  top: 14%;
  left: 8%;
  width: 77%;
  height: 68%;
}

.earth-orbit--two {
  top: 26%;
  left: 22%;
  width: 62%;
  height: 48%;
  transform: rotate(var(--local-rotate-reverse));
}

.earth-beam {
  position: absolute;
  top: 46%;
  left: 52%;
  z-index: 5;
  width: var(--local-beam);
  height: 34%;
  background: linear-gradient(90deg, rgba(0, 179, 255, 0.02), rgba(52, 213, 255, 0.45), rgba(0, 179, 255, 0.03));
  clip-path: polygon(44% 0, 56% 0, 100% 100%, 0 100%);
  transform: translateX(-50%);
  filter: blur(2px);
}

/* Story 2: AI interpretation */
.story-canvas--vision {
  background: linear-gradient(135deg, #e9f8ff, #bfe8f8 55%, #7cc9ee);
}

.story-canvas--vision > img,
.vision-result {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.story-canvas--vision > img,
.vision-result img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-canvas--vision > img {
  filter: grayscale(0.42) blur(1.4px) brightness(0.82);
  transform: scale(1.04);
}

.vision-result {
  z-index: 2;
  clip-path: inset(0 var(--local-inverse-pct) 0 0);
  filter: saturate(1.18) contrast(1.08);
}

.vision-scan {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--local-pct);
  z-index: 6;
  width: 3px;
  background: #48e9ff;
  box-shadow: 0 0 1.4vw 0.45vw rgba(72, 233, 255, 0.72);
}

.vision-target {
  position: absolute;
  z-index: 5;
  border: 2px solid #57f5ff;
  opacity: var(--local);
  transform: scale(var(--local-target-scale));
}

.vision-target--one {
  top: 18%;
  left: 23%;
  width: 23%;
  height: 34%;
}

.vision-target--two {
  right: 14%;
  bottom: 16%;
  width: 19%;
  height: 25%;
}

/* Story 3: spatiotemporal analysis and simulation */
.story-canvas--space {
  background: #06214d;
  perspective: 65vw;
}

.story-canvas--space > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.08) brightness(0.9);
  transform: scale(var(--local-space-scale));
}

.space-grid {
  position: absolute;
  inset: 42% -10% -28%;
  z-index: 3;
  background-image:
    linear-gradient(rgba(65, 218, 255, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(65, 218, 255, 0.28) 1px, transparent 1px);
  background-size: 3vw 3vw;
  transform: rotateX(64deg) translateY(var(--local-grid-y));
  transform-origin: center top;
  mask-image: linear-gradient(to bottom, transparent, #000 26%, transparent 92%);
}

.space-layer {
  position: absolute;
  z-index: 5;
  display: grid;
  place-items: center;
  min-width: 6vw;
  padding: 0.65vw 0.85vw;
  border: 1px solid rgba(89, 226, 255, 0.56);
  border-radius: 0.6vw;
  background: rgba(0, 29, 95, 0.72);
  color: #fff;
  font-size: 0.72vw;
  opacity: var(--local);
  backdrop-filter: blur(7px);
}

.space-layer--one {
  top: var(--space-one-top);
  left: 13%;
}

.space-layer--two {
  top: var(--space-two-top);
  left: 43%;
}

.space-layer--three {
  top: var(--space-three-top);
  right: 12%;
}

.space-node {
  position: absolute;
  z-index: 6;
  width: 0.8vw;
  height: 0.8vw;
  border: 0.18vw solid #fff;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 0.75vw rgba(0, 179, 255, 0.18), 0 0 1.5vw rgba(0, 179, 255, 0.7);
  opacity: var(--local);
  transform: scale(var(--local-node-scale));
}

.space-node--one { top: 54%; left: 22%; }
.space-node--two { top: 38%; left: 53%; }
.space-node--three { top: 58%; right: 19%; }

/* Story 4: trusted time and BeiDou */
.story-canvas--beidou {
  background:
    radial-gradient(circle at 50% 50%, rgba(109, 221, 255, 0.34), transparent 30%),
    linear-gradient(135deg, #eafaff, #98dff7 52%, #1478c7);
}

.story-canvas--beidou img {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 5;
  width: 72%;
  height: 46%;
  object-fit: contain;
  transform: translate(-50%, -50%) scale(var(--local-beidou-scale));
  filter: drop-shadow(0 2.2vw 3vw rgba(0, 38, 92, 0.28));
}

.beidou-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  border: 1px solid rgba(18, 143, 210, 0.62);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(var(--local-ring-scale));
  opacity: var(--local-ring-opacity);
}

.beidou-ring--one { width: 30%; height: 38%; }
.beidou-ring--two { width: 51%; height: 64%; }
.beidou-ring--three { width: 72%; height: 91%; }

.beidou-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  width: 3vw;
  height: 3vw;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 0 0 var(--local-pulse) rgba(0, 179, 255, 0.08);
  transform: translate(-50%, -50%);
}

.beidou-time {
  position: absolute;
  bottom: 8%;
  left: 7%;
  z-index: 8;
  color: #003d8c;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.15vw;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

/* Reference-style industry accordion */
.industry-accordion {
  display: flex;
  flex-direction: column;
  margin-top: 6.25vw;
}

.industry-heading {
  position: absolute;
  z-index: 4;
  align-items: flex-start;
  width: 47.9167vw;
}

.industry-heading h2,
.industry-heading p {
  text-align: left;
}

.industry-heading h2 {
  font-size: 2.5vw;
  font-weight: 500;
  line-height: 2.9167vw;
}

.industry-heading p {
  width: 43vw;
  font-size: 0.9375vw;
  line-height: 1.3542vw;
}

.industry-stack {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2.0833vw;
  min-height: 30.2vw;
}

.industry-item {
  display: flex;
  justify-content: flex-end;
  width: 100%;
}

.industry-media {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 46.875vw;
  height: 26.5625vw;
  overflow: hidden;
  border-radius: 1.875vw;
  object-fit: cover;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.035);
  filter: saturate(1.05) contrast(1.03);
  transition: opacity 0.45s ease, transform 0.8s ease;
}

.industry-media > img,
.industry-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.industry-video {
  z-index: 1;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.industry-media.has-video-ready .industry-video {
  opacity: 1;
}

.industry-card {
  width: 37.5vw;
  height: 3.65vw;
  overflow: hidden;
  padding: 1.6667vw 2.1875vw 0;
  border-radius: 1.25vw;
  background: #e8e8eb;
  transition: height 0.45s ease, background 0.45s ease;
}

.industry-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.industry-title-row h3 {
  color: var(--ink);
  font-size: 1.3542vw;
  font-weight: 400;
  line-height: 1.875vw;
  transition: color 0.35s ease;
}

.round-link {
  display: grid;
  place-items: center;
  width: 2.35vw;
  height: 2.35vw;
  border: 1px solid #a2a2a2;
  border-radius: 50%;
  color: var(--ink);
  font-size: 1.1vw;
  transition: background 0.25s ease, border 0.25s ease, color 0.25s ease;
}

.industry-card > p {
  width: 90%;
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  color: #fff;
  font-size: 0.9375vw;
  line-height: 1.3542vw;
  opacity: 0;
  transition: max-height 0.4s ease, margin 0.4s ease, opacity 0.3s ease;
}

.industry-card > .more-link {
  display: none;
}

.industry-item.is-active .industry-media {
  z-index: 2;
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.industry-item.is-active .industry-card {
  height: 12.9vw;
  background: var(--blue-deep);
}

.industry-item.is-active h3 {
  color: #fff;
}

.industry-item.is-active .round-link {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.industry-item.is-active .industry-card > p {
  max-height: 8.125vw;
  margin-top: 1.2vw;
  opacity: 1;
}

/* Full-width reference modules */
.service-band {
  margin-top: 10.4167vw;
  padding: 5.5208vw 4.1667vw 8.5938vw;
  background: var(--blue-mid);
  color: #fff;
}

.service-band h2 {
  width: 100%;
  padding-bottom: 1.5625vw;
  border-bottom: 1px solid rgba(255, 255, 255, 0.75);
  font-size: 1.875vw;
  font-weight: 300;
  line-height: 2.9167vw;
}

.service-band__actions {
  display: flex;
  gap: 1.5625vw;
  margin-top: 5.2083vw;
}

.service-band__actions a,
.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 9.5vw;
  padding: 0.85vw 1.45vw;
  border: 1px solid currentColor;
  border-radius: 1.2vw;
  color: #fff;
  font-size: 0.9375vw;
  transition: background 0.25s ease, color 0.25s ease;
}

.service-band__actions a:hover,
.download-button:hover {
  background: #fff;
  color: var(--blue-mid);
}

.news-vision {
  display: grid;
  grid-template-columns: 27.6042vw minmax(0, 1fr);
  gap: 4vw;
  padding-right: 0;
  overflow: hidden;
}

.news-vision__heading > p {
  margin-bottom: 1.25vw;
  color: var(--blue);
  font-size: 0.8333vw;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.news-vision__heading h2 {
  font-size: 2.5vw;
  font-weight: 500;
  line-height: 2.9167vw;
}

.news-vision__heading .more-link {
  display: inline-block;
  margin-top: 2vw;
}

.vision-rail {
  display: flex;
  gap: 1.5625vw;
  min-width: 0;
  overflow-x: auto;
  padding-right: 4.1667vw;
  padding-bottom: 1.2vw;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.vision-rail::-webkit-scrollbar {
  display: none;
}

.vision-card {
  flex: 0 0 19.7917vw;
  color: var(--ink);
  scroll-snap-align: start;
}

.vision-card::after {
  content: none;
}

.vision-card img {
  width: 100%;
  height: 13.5417vw;
  border-radius: 1.25vw;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.vision-card:hover img {
  transform: scale(1.04);
}

.vision-card > div {
  padding-top: 1.25vw;
}

.vision-card span {
  display: block;
  margin-bottom: 0.8vw;
  color: var(--blue);
  font-size: 0.7292vw;
  letter-spacing: 0.12em;
}

.vision-card h3 {
  font-size: 1.3542vw;
  font-weight: 400;
  line-height: 1.875vw;
}

.download-panel {
  display: flex;
  align-items: center;
  margin-top: 10.4167vw;
  padding: 5.2vw 6.25vw;
  background: var(--blue-footer);
  color: #fff;
}

.ww-copy--download {
  align-items: flex-start;
}

.ww-copy--download h2,
.ww-copy--download p {
  color: #fff;
  text-align: left;
}

.ww-copy--download h2 {
  font-size: 3.3333vw;
  font-weight: 500;
  line-height: 3.75vw;
}

.ww-copy--download p {
  width: 38vw;
}

.download-button {
  align-self: flex-end;
  margin-left: auto;
}

/* Footer */
.site-footer {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 6vw;
  padding: 5.2vw 4.1667vw 2.2vw;
  background: #fff;
  color: var(--ink);
}

.site-footer--mega {
  position: relative;
  grid-template-columns: 0.7fr 1.25fr 0.75fr;
  gap: 4vw;
  padding-top: 15.625vw;
}

.site-footer--mega::before {
  position: absolute;
  top: 10.4167vw;
  right: 4.1667vw;
  left: 4.1667vw;
  border-top: 1px solid #e4e4e4;
  content: "";
}

.site-footer__lead img {
  width: 10vw;
}

.site-footer__lead p {
  margin-top: 1.4vw;
  color: var(--muted);
  font-size: 0.9375vw;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3vw;
}

.site-footer--mega .footer-links {
  grid-template-columns: repeat(4, 1fr);
  gap: 2vw;
}

.footer-links div {
  display: flex;
  flex-direction: column;
  gap: 0.8vw;
}

.footer-links strong {
  margin-bottom: 0.3vw;
  font-size: 0.9375vw;
  font-weight: 500;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.7292vw;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--blue);
}

.footer-subscribe {
  align-self: start;
}

.footer-subscribe label {
  display: block;
  font-size: 0.9375vw;
  font-weight: 500;
}

.footer-subscribe p {
  margin-top: 0.7vw;
  color: var(--muted);
  font-size: 0.7292vw;
  line-height: 1.2vw;
}

.footer-subscribe__field {
  display: flex;
  margin-top: 1.35vw;
  border-bottom: 1px solid var(--line);
}

.footer-subscribe input[type="email"] {
  min-width: 0;
  flex: 1;
  padding: 0.7vw 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.7292vw;
}

.footer-subscribe button {
  border: 0;
  background: transparent;
  color: var(--blue-deep);
  cursor: pointer;
  font-size: 1.1vw;
}

.footer-consent {
  display: flex !important;
  align-items: flex-start;
  gap: 0.45vw;
  margin-top: 0.8vw;
  color: var(--muted);
  font-size: 0.625vw !important;
  font-weight: 400 !important;
  line-height: 1vw;
}

.footer-consent input {
  flex: none;
  width: 0.72vw;
  height: 0.72vw;
  margin: 0.05vw 0 0;
  accent-color: var(--blue-deep);
}

.site-footer__bottom {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  margin-top: 3vw;
  padding-top: 1.2vw;
  border-top: 1px solid #e4e4e4;
  color: #8c8c8c;
  font-size: 0.625vw;
}

.footer-social {
  display: flex;
  gap: 0.625vw;
}

.footer-social__icon {
  display: grid;
  width: 1.875vw;
  height: 1.875vw;
  place-items: center;
  border: 1px solid #d8dde6;
  border-radius: 50%;
  color: var(--blue-deep);
}

.footer-social__icon svg {
  width: 0.9375vw;
  height: 0.9375vw;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

/* Product and industry child pages */
.section-shell {
  width: min(91.6667vw, 1440px);
  margin-inline: auto;
}

.page-hero {
  padding: clamp(170px, 12vw, 280px) 0 clamp(80px, 7vw, 150px);
  background:
    radial-gradient(circle at 82% 30%, rgba(0, 179, 255, 0.17), transparent 26%),
    linear-gradient(180deg, #fff, #f1faff);
}

.page-hero__inner {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  align-items: end;
  gap: 8vw;
}

.eyebrow {
  margin-bottom: 1rem;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-hero h1 {
  font-size: clamp(3.4rem, 5vw, 6.4rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
}

.page-hero__summary {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(1rem, 1.25vw, 1.35rem);
  line-height: 1.75;
}

.catalogue {
  padding: 2rem 0 10rem;
}

.catalogue-grid {
  display: flex;
  flex-direction: column;
}

.catalogue-card {
  --scene-progress: 0;
  --scene-reveal: 0%;
  --scene-scale: 1.08;
  --scene-shift: 24px;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 8rem);
  min-height: 108svh;
  padding: 10vh 0;
  border-bottom: 1px solid #dce8f1;
  background: transparent;
}

.catalogue-card__media {
  position: sticky;
  top: 14vh;
  align-self: start;
  height: min(72vh, 760px);
  overflow: hidden;
  border: 1px solid rgba(0, 126, 210, 0.16);
  border-radius: clamp(1.5rem, 2.2vw, 2.6rem);
  background: linear-gradient(145deg, #f5fcff 0%, #dff5ff 56%, #b9e7fb 100%);
  box-shadow: 0 32px 90px rgba(5, 72, 125, 0.1);
  transition: border-color 0.5s ease, box-shadow 0.5s ease;
}

.catalogue-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: translate3d(0, var(--scene-shift), 0) scale(var(--scene-scale));
  transform-origin: center;
  transition: filter 0.5s ease;
}

.catalogue-card:nth-child(even) .catalogue-card__media {
  grid-column: 2;
  grid-row: 1;
}

.catalogue-card:nth-child(even) .catalogue-card__body {
  grid-column: 1;
  grid-row: 1;
}

.catalogue-card.is-active .catalogue-card__media {
  border-color: rgba(0, 160, 225, 0.42);
  box-shadow: 0 38px 110px rgba(0, 119, 190, 0.17);
}

.catalogue-card__number {
  position: absolute;
  top: 1.4rem;
  left: 1.4rem;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 1px solid rgba(0, 112, 192, 0.15);
  background: rgba(255, 255, 255, 0.88);
  color: var(--blue-deep);
  font-size: 0.8rem;
  backdrop-filter: blur(8px);
}

.catalogue-card__body {
  max-width: 560px;
  padding: 2rem 0;
}

.catalogue-card__body h2 {
  font-size: clamp(2.4rem, 4.2vw, 5.4rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.04;
}

.catalogue-card__body p {
  margin-top: 1.3rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.1vw, 1.2rem);
  line-height: 1.8;
}

.catalogue-card__body .narrative-label {
  margin: 0 0 1.1rem;
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0.16em;
}

.narrative-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin: 1.6rem 0 0;
  padding: 0;
  counter-reset: scene-step;
  list-style: none;
}

.narrative-steps li {
  counter-increment: scene-step;
  padding: 0.75rem 0.9rem;
  border: 1px solid #d7e8f3;
  border-radius: 999px;
  background: rgba(245, 251, 255, 0.86);
  color: #31566f;
  font-size: 0.8rem;
  opacity: 0.28;
  transform: translateY(0.75rem);
  transition: opacity 0.45s ease, transform 0.45s ease, border-color 0.45s ease;
}

.narrative-steps li::before {
  content: counter(scene-step, decimal-leading-zero) "  ";
  color: var(--blue);
}

.catalogue-card.is-active .narrative-steps li {
  border-color: #bce5f8;
  opacity: 1;
  transform: translateY(0);
}

.catalogue-card.is-active .narrative-steps li:nth-child(2) { transition-delay: 80ms; }
.catalogue-card.is-active .narrative-steps li:nth-child(3) { transition-delay: 160ms; }
.catalogue-card.is-active .narrative-steps li:nth-child(4) { transition-delay: 240ms; }

.media-scan {
  position: absolute;
  z-index: 3;
  top: 0;
  bottom: 0;
  left: var(--scene-reveal);
  width: 2px;
  background: linear-gradient(180deg, transparent, #6ee7ff 18%, #009ee8 50%, #6ee7ff 82%, transparent);
  box-shadow: 0 0 24px rgba(0, 190, 239, 0.8);
  opacity: 0.72;
  pointer-events: none;
}

.media-stack > img {
  position: absolute;
  inset: 0;
  transition: opacity 0.45s ease;
}

.media-stack > .media-layer--reveal {
  z-index: 2;
  clip-path: inset(0 calc(100% - var(--scene-reveal)) 0 0);
}

.narrative-media-video {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.45s ease;
}

.media-stack.has-video-ready > img {
  opacity: 0;
}

.media-stack.has-video-ready > .narrative-media-video {
  opacity: 1;
}

.media-stack.has-video-ready > .media-scan,
.media-stack.has-video-ready > .webgl-scene {
  opacity: 0;
}

.media-stack .compare-label--before {
  right: 1.4rem;
  left: auto;
}

.media-stack .compare-label--after {
  right: auto;
  left: 1.4rem;
}

.media-dual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: #bfe5f4;
}

.media-dual > img,
.detail-media.media-dual > img {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-dual > img:first-of-type,
.detail-media.media-dual > img:first-of-type {
  transform: translate3d(calc(0px - var(--scene-shift)), 0, 0) scale(var(--scene-scale));
}

.media-dual > img:nth-of-type(2),
.detail-media.media-dual > img:nth-of-type(2) {
  transform: translate3d(var(--scene-shift), 0, 0) scale(var(--scene-scale));
}

.compare-label {
  position: absolute;
  bottom: 1.4rem;
  z-index: 4;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--blue-deep);
  font-size: 0.72rem;
  backdrop-filter: blur(10px);
}

.compare-label--before { left: 1.4rem; }
.compare-label--after { right: 1.4rem; }

.catalogue-card__media--contain img,
.detail-media--contain img {
  object-fit: contain;
}

.scene-media::before {
  position: absolute;
  inset: -8%;
  z-index: 0;
  background: var(--scene-media) center / cover no-repeat;
  content: "";
  filter: blur(28px) saturate(0.82) brightness(0.78);
  opacity: 0.5;
  transform: scale(1.08);
}

.scene-media > img {
  position: relative;
  z-index: 1;
  padding: clamp(1rem, 2.4vw, 2.5rem);
}

.media-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 1rem;
  padding: clamp(1.5rem, 3vw, 3rem);
  background: linear-gradient(145deg, #f7fcff, #dff6ff);
}

.media-pair img,
.detail-media.media-pair img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  max-height: 76%;
  object-fit: contain;
  filter: drop-shadow(0 24px 24px rgba(12, 74, 118, 0.12));
  transform: translate3d(0, var(--scene-shift), 0) scale(var(--scene-scale));
}

.time-pulse {
  position: absolute;
  z-index: 3;
  right: 1.5rem;
  bottom: 1.5rem;
  color: var(--blue-deep);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: clamp(0.75rem, 1vw, 1rem);
  letter-spacing: 0.12em;
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: #cde7f4;
}

.device-grid img,
.detail-media.device-grid img {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 1.2rem;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.92);
  transform: translate3d(0, var(--scene-shift), 0) scale(var(--scene-scale));
}

[data-scene-type="orbit"] .media-scan {
  top: var(--scene-reveal);
  right: 12%;
  bottom: auto;
  left: 12%;
  width: auto;
  height: 2px;
}

[data-scene-type="detect"] .catalogue-card__media::before,
[data-scene-type="detect"] .detail-media::before {
  position: absolute;
  top: 34%;
  left: 28%;
  z-index: 3;
  width: clamp(90px, 12vw, 180px);
  aspect-ratio: 1.35;
  border: 2px solid rgba(81, 235, 255, 0.96);
  border-radius: 0.5rem;
  box-shadow:
    10vw 7vw 0 -1px rgba(63, 218, 255, 0.72),
    -7vw 12vw 0 -1px rgba(0, 142, 224, 0.7),
    0 0 24px rgba(0, 185, 235, 0.6);
  content: "";
  opacity: var(--scene-progress);
  transform: scale(var(--scene-scale));
}

[data-scene-type="flow"] .catalogue-card__media::before,
[data-scene-type="flow"] .detail-media::before {
  position: absolute;
  inset: 14% 10%;
  z-index: 3;
  background:
    linear-gradient(90deg, transparent, #69ebff 18%, #008fd7 60%, transparent) 0 22% / 100% 2px no-repeat,
    linear-gradient(90deg, transparent, #008fd7 38%, #69ebff 82%, transparent) 0 50% / 100% 2px no-repeat,
    linear-gradient(90deg, transparent, #69ebff 28%, #008fd7 72%, transparent) 0 78% / 100% 2px no-repeat;
  clip-path: inset(0 calc(100% - var(--scene-reveal)) 0 0);
  content: "";
  filter: drop-shadow(0 0 10px rgba(0, 190, 239, 0.72));
  pointer-events: none;
}

[data-scene-type="map"] .catalogue-card__media::after,
[data-scene-type="map"] .detail-media::after {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image:
    linear-gradient(rgba(0, 139, 205, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 139, 205, 0.18) 1px, transparent 1px);
  background-size: 56px 56px;
  clip-path: inset(0 calc(100% - var(--scene-reveal)) 0 0);
  content: "";
  pointer-events: none;
}

[data-scene-type="devices"] .device-grid img:nth-of-type(1) { transform: translate3d(calc(0px - var(--scene-shift)), calc(0px - var(--scene-shift)), 0) scale(var(--scene-scale)); }
[data-scene-type="devices"] .device-grid img:nth-of-type(2) { transform: translate3d(var(--scene-shift), calc(0px - var(--scene-shift)), 0) scale(var(--scene-scale)); }
[data-scene-type="devices"] .device-grid img:nth-of-type(3) { transform: translate3d(calc(0px - var(--scene-shift)), var(--scene-shift), 0) scale(var(--scene-scale)); }
[data-scene-type="devices"] .device-grid img:nth-of-type(4) { transform: translate3d(var(--scene-shift), var(--scene-shift), 0) scale(var(--scene-scale)); }

[data-scene-type="timeline"] .catalogue-card__media::after,
.scene-detail-section[data-scene-type="timeline"] .case-card figure::after {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  z-index: 3;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, #00b4eb var(--scene-reveal), rgba(255, 255, 255, 0.55) var(--scene-reveal));
  box-shadow: 0 0 18px rgba(0, 180, 235, 0.45);
  content: "";
}

[data-scene-type="focus"] .catalogue-card__media::after,
.scene-detail-section[data-scene-type="focus"] .case-card figure::after {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  width: clamp(64px, 9vw, 132px);
  aspect-ratio: 1;
  border: 1px solid rgba(71, 224, 255, 0.92);
  border-radius: 50%;
  background:
    linear-gradient(#54e6ff, #54e6ff) center top / 1px 18% no-repeat,
    linear-gradient(#54e6ff, #54e6ff) center bottom / 1px 18% no-repeat,
    linear-gradient(90deg, #54e6ff, #54e6ff) left center / 18% 1px no-repeat,
    linear-gradient(90deg, #54e6ff, #54e6ff) right center / 18% 1px no-repeat;
  box-shadow: 0 0 28px rgba(0, 182, 232, 0.36);
  content: "";
  opacity: var(--scene-progress);
  transform: translate(-50%, -50%) scale(var(--scene-scale));
}

[data-scene-type="locate"] .catalogue-card__media::after,
.scene-detail-section[data-scene-type="locate"] .case-card figure::after {
  position: absolute;
  top: 48%;
  left: 52%;
  z-index: 3;
  width: clamp(28px, 4vw, 58px);
  aspect-ratio: 1;
  border: 2px solid #65e8ff;
  border-radius: 50%;
  background: rgba(0, 154, 221, 0.18);
  box-shadow: 0 0 0 var(--scene-shift) rgba(49, 210, 247, 0.12), 0 0 24px rgba(0, 174, 232, 0.66);
  content: "";
  transform: translate(-50%, -50%) scale(var(--scene-scale));
}

[data-scene-type="route"] .catalogue-card__media::after,
.scene-detail-section[data-scene-type="route"] .case-card figure::after {
  position: absolute;
  bottom: 22%;
  left: 8%;
  z-index: 3;
  width: var(--scene-reveal);
  max-width: 84%;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, #fff, #45e1ff 35%, #008ed8);
  box-shadow: 0 0 18px rgba(0, 190, 239, 0.78);
  content: "";
  transform: rotate(-8deg);
  transform-origin: left center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
  padding: 0.85rem 1.25rem;
  border: 1px solid var(--blue);
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 0.9rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.button:hover {
  background: #fff;
  color: var(--blue);
}

.button--small {
  margin-top: 0;
}

.detail-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 4rem;
  padding-top: 6rem;
  padding-bottom: 10rem;
}

.detail-nav {
  position: sticky;
  top: 8rem;
  align-self: start;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #d9d9d9;
  border-radius: 1.2rem;
  background: #fff;
}

.detail-nav a {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid #ececec;
  color: var(--muted);
  font-size: 0.86rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.detail-nav a:last-child {
  border-bottom: 0;
}

.detail-nav a:hover {
  background: #eefaff;
  color: var(--blue);
}

.detail-content {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.detail-section {
  --scene-progress: 0;
  --scene-reveal: 0%;
  --scene-scale: 1.08;
  --scene-shift: 24px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 3rem;
  min-height: 108svh;
  padding: 10vh 0;
  border-bottom: 1px solid #dce8f1;
  scroll-margin-top: 8rem;
}

.detail-section__copy {
  align-self: center;
}

.detail-section h2 {
  font-size: clamp(2rem, 3vw, 3.5rem);
  font-weight: 500;
  line-height: 1.18;
}

.detail-section__copy > p:not(.eyebrow) {
  margin-top: 1.4rem;
  color: var(--muted);
  line-height: 1.85;
}

.detail-media {
  position: sticky;
  top: 14vh;
  align-self: start;
  height: min(72vh, 760px);
  overflow: hidden;
  border: 1px solid rgba(0, 126, 210, 0.16);
  border-radius: clamp(1.5rem, 2.2vw, 2.6rem);
  background: linear-gradient(145deg, #f5fcff, #dff5ff);
  box-shadow: 0 32px 90px rgba(5, 72, 125, 0.1);
}

.detail-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: translate3d(0, var(--scene-shift), 0) scale(var(--scene-scale));
}

.detail-flow,
.detail-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.detail-flow {
  counter-reset: flow;
}

.detail-flow li {
  counter-increment: flow;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  background: #e8f8ff;
  color: #075a9a;
  font-size: 0.82rem;
}

.detail-flow li::before {
  content: counter(flow, decimal-leading-zero) " ";
  color: var(--blue);
}

.detail-facts li {
  padding: 0.62rem 0.85rem;
  border: 1px solid #d7d7d7;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.8rem;
}

.scene-detail-section {
  grid-template-columns: 0.9fr 1.1fr;
  align-items: start;
  min-height: auto;
  padding: clamp(7rem, 11vh, 10rem) 0;
}

.scene-detail-section > .detail-media {
  position: relative;
  top: auto;
  height: clamp(360px, 34vw, 560px);
}

.case-cards {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
  margin-top: 2rem;
}

.case-card {
  --scene-progress: 0;
  --scene-scale: 1.04;
  --scene-shift: 24px;
  overflow: hidden;
  scroll-margin-top: 8rem;
  border: 1px solid #dbe9f1;
  border-radius: 1.6rem;
  background: #fff;
  box-shadow: 0 18px 54px rgba(12, 70, 105, 0.07);
  opacity: 0.55;
  transform: translateY(var(--scene-shift));
  transition: opacity 0.55s ease, transform 0.55s ease, box-shadow 0.55s ease;
}

.case-card.is-active {
  opacity: 1;
  box-shadow: 0 24px 70px rgba(0, 115, 180, 0.12);
}

.case-card figure {
  position: relative;
  height: clamp(230px, 21vw, 330px);
  overflow: hidden;
  background: #eaf8ff;
}

.case-card figure img {
  width: 100%;
  height: 100%;
  padding: 0.25rem;
  object-fit: contain;
  transform: scale(var(--scene-scale));
}

.case-card > div {
  padding: 1.4rem 1.45rem 1.6rem;
}

.case-card > div > span {
  color: var(--blue);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.case-card h3 {
  font-size: 1.05rem;
  font-weight: 500;
}

.case-card p {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 0.8vw;
  color: var(--muted);
  font-size: 0.8333vw;
  font-style: normal;
}

.site-footer__contact a:hover {
  color: var(--blue);
}

.site-footer__legal {
  grid-column: 1 / -1;
  margin-top: 2vw;
  padding-top: 1.2vw;
  border-top: 1px solid #e4e4e4;
  color: #8c8c8c;
  font-size: 0.625vw;
}

/* Progressive reveals */
.js .reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

@media (max-width: 834px) {
  .desktop-only {
    display: none;
  }

  .site-header {
    top: 6.4vw;
    left: 4vw;
    grid-template-columns: 9.6vw minmax(0, 1fr) 9.6vw;
    width: 92vw;
    height: 9.6vw;
    padding: 0;
    border: 1px solid rgba(193, 193, 193, 0.5);
    border-radius: 2.4vw;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(8px);
  }

  .menu-toggle,
  .nav-balance {
    width: 9.6vw;
    height: 9.6vw;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .menu-toggle {
    gap: 0.75vw;
  }

  .menu-toggle span {
    width: 3.3vw;
    height: 0.4vw;
  }

  .nav-capsule {
    width: auto !important;
    height: 100%;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .brand,
  .site-header.is-compact .brand {
    width: 15vw;
    margin: 0 auto;
  }

  .nav-contact {
    display: none;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    width: 100vw;
    height: 100dvh;
    padding: 24vw 9vw 12vw;
    background:
      radial-gradient(circle at 85% 18%, rgba(0, 180, 235, 0.18), transparent 28%),
      linear-gradient(160deg, rgba(255, 255, 255, 0.98), rgba(231, 248, 255, 0.98));
    opacity: 0;
    visibility: hidden;
    white-space: normal;
    pointer-events: none;
    transform: translateY(-3vw);
    transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.2, 0.7, 0.2, 1), visibility 0.35s;
  }

  .site-nav a {
    width: 100%;
    height: auto;
    padding: 3vw 0;
    border-bottom: 1px solid rgba(0, 105, 171, 0.14);
    font-size: clamp(2rem, 8vw, 4rem);
    letter-spacing: -0.04em;
  }

  .site-header.is-menu-open .nav-capsule {
    position: static;
    width: 0 !important;
    height: 0;
    overflow: visible;
  }

  .site-header.is-menu-open {
    top: 0;
    left: 0;
    width: 100vw;
    height: 100dvh;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    backdrop-filter: none;
  }

  .site-header.is-menu-open .menu-toggle {
    position: fixed;
    top: 6.4vw;
    left: 4vw;
  }

  .site-header.is-menu-open .brand,
  .site-header.is-menu-open .nav-balance {
    opacity: 0;
    pointer-events: none;
  }

  .site-header.is-menu-open .site-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-header.is-menu-open .menu-toggle span:first-child {
    transform: translateY(1.15vw) rotate(45deg);
  }

  .site-header.is-menu-open .menu-toggle span:nth-child(2) {
    width: 0;
    opacity: 0;
  }

  .site-header.is-menu-open .menu-toggle span:last-child {
    transform: translateY(-1.15vw) rotate(-45deg);
  }

  .site-header.is-compact,
  .site-header.is-compact .menu-toggle {
    top: 6.4vw;
    opacity: 1;
    transform: none;
  }

  .ww-module {
    margin-top: 24vw;
    padding: 0 4vw;
  }

  .product-narrative {
    margin-top: 0;
    padding: 24vw 0 0;
  }

  .ww-copy {
    gap: 4vw;
  }

  .ww-copy h1 {
    font-size: 6.4vw;
    line-height: 7.2vw;
  }

  .ww-copy p {
    font-size: 2.4vw;
    line-height: 3.6vw;
  }

  .home-intro {
    padding: 0 4vw;
  }

  .story-scroll {
    height: auto;
    margin-top: 2vw;
  }

  .story-viewport {
    position: relative;
    height: auto;
    overflow: visible;
  }

  .story-rotation {
    display: block;
    width: 100%;
    height: auto;
    transform: none !important;
  }

  .product-story,
  .product-story:first-child {
    display: flex;
    width: 100% !important;
    height: auto !important;
    margin: 0;
    padding: 6.4vw 4vw;
    transform: none !important;
  }

  .product-story:first-child {
    position: relative;
    display: block;
    height: 350svh !important;
    min-height: 350svh;
    padding-top: 0;
  }

  .story-canvas {
    height: 72vw;
    border-radius: 3.6vw;
  }

  .product-story:first-child .story-canvas {
    position: sticky;
    top: 15svh;
    height: 58svh;
    min-height: 0;
  }

  .product-story:first-child .story-caption {
    position: sticky;
    top: 76svh;
    padding-bottom: 3vw;
    background: var(--paper);
  }

  .story-caption {
    width: 100%;
    margin-top: 8vw;
    gap: 2vw;
  }

  .story-caption h2 {
    font-size: 3.6vw;
    line-height: 4.8vw;
  }

  .story-caption p,
  .story-caption a,
  .more-link {
    font-size: 2.4vw;
    line-height: 3.6vw;
  }

  .story-chip {
    padding: 1.5vw 2vw;
    border-radius: 2.5vw;
    font-size: 1.8vw;
  }

  .beidou-time {
    font-size: 2.6vw;
  }

  .industry-accordion {
    display: flex;
    flex-direction: column;
  }

  .industry-heading {
    position: relative;
    width: 100%;
  }

  .industry-heading h2 {
    font-size: 4.8vw;
    line-height: 5.6vw;
  }

  .industry-heading p {
    width: 100%;
    font-size: 2.4vw;
    line-height: 3.6vw;
  }

  .industry-stack {
    height: auto;
    min-height: 0;
    margin-top: 8vw;
    gap: 4vw;
  }

  .industry-item {
    display: flex;
    flex-direction: column;
    padding: 4vw;
    border-radius: 3.6vw;
    background: var(--soft);
  }

  .industry-media {
    position: relative;
    width: 100%;
    height: 58vw;
    border-radius: 3vw;
    opacity: 1;
    visibility: visible;
    object-fit: cover;
    transform: none;
  }

  .industry-card,
  .industry-item.is-active .industry-card {
    width: 100%;
    height: auto;
    margin-top: 3vw;
    padding: 0;
    background: transparent;
  }

  .industry-title-row h3,
  .industry-item.is-active h3 {
    color: var(--ink);
    font-size: 3.6vw;
    line-height: 4.8vw;
  }

  .round-link {
    display: none;
  }

  .industry-card > p,
  .industry-item.is-active .industry-card > p {
    width: 100%;
    max-height: none;
    margin-top: 2vw;
    color: var(--muted);
    font-size: 2.4vw;
    line-height: 3.6vw;
    opacity: 1;
  }

  .industry-card > .more-link {
    display: inline-block;
    margin-top: 2.5vw;
  }

  .service-band {
    margin-top: 24vw;
    padding: 10.6vw 4vw 12vw;
  }

  .service-band h2 {
    padding-bottom: 3vw;
    font-size: 3.6vw;
    line-height: 5.6vw;
  }

  .service-band__actions {
    flex-direction: column;
    gap: 3vw;
    margin-top: 8vw;
  }

  .service-band__actions a,
  .download-button {
    width: 100%;
    padding: 2.5vw 3vw;
    border-radius: 3vw;
    font-size: 2.4vw;
  }

  .news-vision {
    grid-template-columns: 1fr;
    gap: 8vw;
    padding-right: 0;
  }

  .news-vision__heading > p {
    margin-bottom: 3vw;
    font-size: 2vw;
  }

  .news-vision__heading h2 {
    font-size: 4.8vw;
    line-height: 5.6vw;
  }

  .news-vision__heading .more-link {
    margin-top: 4vw;
  }

  .vision-rail {
    gap: 4vw;
    padding-right: 4vw;
    padding-bottom: 2vw;
  }

  .vision-card {
    flex-basis: 74vw;
  }

  .vision-card img {
    height: 50.5vw;
    border-radius: 3.6vw;
  }

  .vision-card > div {
    padding-top: 3.5vw;
  }

  .vision-card span {
    margin-bottom: 2vw;
    font-size: 2vw;
  }

  .vision-card h3 {
    font-size: 3.6vw;
    line-height: 4.8vw;
  }

  .download-panel {
    flex-direction: column;
    margin-top: 24vw;
    padding: 10.6vw 4vw 8vw;
  }

  .ww-copy--download h2 {
    font-size: 6.4vw;
    line-height: 7.2vw;
  }

  .ww-copy--download p {
    width: 100%;
  }

  .download-button {
    margin-top: 14vw;
    margin-left: 0;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 8vw;
    padding: 12vw 4vw 6vw;
  }

  .site-footer--mega {
    grid-template-columns: 1fr;
    padding-top: 28vw;
  }

  .site-footer--mega::before {
    top: 16vw;
    right: 4vw;
    left: 4vw;
  }

  .site-footer__lead img {
    width: 28vw;
  }

  .site-footer__lead p {
    margin-top: 3vw;
    font-size: 2.4vw;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
    gap: 7vw 5vw;
  }

  .footer-links div {
    gap: 2vw;
  }

  .footer-links strong {
    font-size: 2.8vw;
  }

  .footer-links a {
    font-size: 2.2vw;
  }

  .footer-subscribe label {
    font-size: 2.8vw;
  }

  .footer-subscribe p,
  .footer-subscribe input[type="email"] {
    font-size: 2.2vw;
    line-height: 3.4vw;
  }

  .footer-subscribe__field {
    margin-top: 3vw;
  }

  .footer-subscribe input[type="email"] {
    padding: 2vw 0;
  }

  .footer-subscribe button {
    font-size: 4vw;
  }

  .footer-consent {
    gap: 1.5vw;
    margin-top: 2.5vw;
    font-size: 1.9vw !important;
    line-height: 3vw;
  }

  .footer-consent input {
    width: 3vw;
    height: 3vw;
  }

  .site-footer__bottom {
    flex-direction: column;
    gap: 2vw;
    margin-top: 4vw;
    padding-top: 4vw;
    font-size: 1.9vw;
    line-height: 3vw;
  }

  .footer-social {
    gap: 2vw;
  }

  .footer-social__icon {
    width: 8vw;
    height: 8vw;
  }

  .footer-social__icon svg {
    width: 4vw;
    height: 4vw;
  }

  .site-footer__contact {
    gap: 2vw;
    font-size: 2.2vw;
    line-height: 3.4vw;
  }

  .site-footer__legal {
    margin-top: 3vw;
    padding-top: 4vw;
    font-size: 1.9vw;
  }

  .section-shell {
    width: calc(100% - 8vw);
  }

  .page-hero {
    padding: 32vw 0 16vw;
  }

  .page-hero__inner {
    grid-template-columns: 1fr;
    gap: 8vw;
  }

  .page-hero h1 {
    font-size: 12vw;
  }

  .catalogue {
    padding: 14vw 0 24vw;
  }

  .catalogue-grid {
    gap: 0;
  }

  .catalogue-card {
    grid-template-columns: 1fr;
    gap: 7vw;
    min-height: auto;
    padding: 14vw 0;
  }

  .catalogue-card:nth-child(even) .catalogue-card__media,
  .catalogue-card:nth-child(even) .catalogue-card__body {
    grid-column: 1;
    grid-row: auto;
  }

  .catalogue-card__media {
    position: relative;
    top: auto;
    height: 62vw;
    border-radius: 5vw;
  }

  .catalogue-card__body {
    max-width: none;
    padding: 0 1vw;
  }

  .catalogue-card__body h2 {
    font-size: 10vw;
  }

  .catalogue-card__body p {
    font-size: 3.6vw;
  }

  .narrative-steps {
    gap: 2vw;
  }

  .narrative-steps li {
    padding: 2.4vw 2.8vw;
    font-size: 2.8vw;
  }

  .media-pair {
    padding: 4vw;
  }

  .time-pulse {
    right: 4vw;
    bottom: 4vw;
    font-size: 2.6vw;
  }

  .device-grid img,
  .detail-media.device-grid img {
    padding: 2vw;
  }

  .detail-layout {
    display: block;
    padding-top: 10vw;
    padding-bottom: 24vw;
  }

  .detail-nav {
    position: sticky;
    top: 18vw;
    z-index: 30;
    flex-direction: row;
    overflow-x: auto;
    margin-bottom: 8vw;
    border-radius: 3vw;
    box-shadow: 0 10px 34px rgba(10, 65, 98, 0.12);
    white-space: nowrap;
  }

  .detail-nav a {
    border-right: 1px solid #ececec;
    border-bottom: 0;
  }

  .detail-content {
    gap: 0;
  }

  .detail-section,
  .scene-detail-section {
    grid-template-columns: 1fr;
    gap: 7vw;
    min-height: auto;
    padding: 18vw 0;
  }

  .detail-media,
  .scene-detail-section > .detail-media {
    position: relative;
    top: auto;
    height: 68vw;
    border-radius: 5vw;
  }

  .case-cards {
    grid-template-columns: 1fr;
    gap: 3vw;
  }

  .case-card {
    border-radius: 4vw;
  }

  .case-card figure {
    height: 58vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .media-stack > .narrative-media-video {
    display: none;
  }

  .media-stack.has-video-ready > img {
    opacity: 1;
  }

  .media-stack > .media-layer--reveal {
    clip-path: inset(0 50% 0 0);
  }

  .media-stack > .media-scan {
    left: 50%;
  }

  .media-stack.has-video-ready > .media-scan {
    opacity: 0.72;
  }

  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;
  }

  .story-scroll {
    height: auto;
  }

  .story-viewport {
    position: static;
    height: auto;
    overflow: visible;
  }

  .story-rotation {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: auto;
    transform: none !important;
  }

  .product-story,
  .product-story:first-child {
    width: auto !important;
    height: auto !important;
    margin: 0;
    padding: 2vw;
    transform: none !important;
  }

  .story-canvas {
    height: 40vw;
  }

  .story-caption {
    width: 100%;
    margin-top: 3vw;
  }

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

@media (prefers-reduced-motion: reduce) and (max-width: 834px) {
  .story-rotation {
    grid-template-columns: 1fr;
  }

  .story-canvas {
    height: 72vw;
  }
}