:root {
  --ink: #070a0b;
  --ink-soft: #101516;
  --ink-panel: #141a1b;
  --paper: #f2f3ee;
  --paper-deep: #e6e8e1;
  --white: #f7f9f4;
  --muted: #9aa3a0;
  --muted-dark: #5d6663;
  --line-dark: rgba(255, 255, 255, 0.13);
  --line-light: rgba(7, 10, 11, 0.15);
  --accent: #b7e65a;
  --accent-deep: #70962d;
  --accent-blue: #4fa9a0;
  --display: "Arial Narrow", "Roboto Condensed", "Helvetica Neue", Arial, sans-serif;
  --body: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --container: min(1400px, calc(100vw - 80px));
  --radius: 2px;
  --header-height: 84px;
  --hero-scroll: 0px;
  --grid-scroll: 0px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open,
body.modal-open {
  overflow: hidden;
}

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

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

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

button {
  color: inherit;
}

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

svg {
  display: block;
}

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

.site-shell {
  overflow: hidden;
}

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

.section-dark {
  color: var(--white);
  background: var(--ink);
}

.section-light {
  color: var(--ink);
  background: var(--paper);
}

#business,
#capabilities,
#about,
#contact {
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--accent);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  color: var(--white);
  border-bottom: 1px solid transparent;
  transition: background-color 250ms ease, border-color 250ms ease, backdrop-filter 250ms ease;
}

.site-header.is-scrolled {
  background: rgba(7, 10, 11, 0.84);
  border-color: var(--line-dark);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: 100%;
  gap: 56px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  width: max-content;
}

.brand-signature {
  display: block;
  width: 4px;
  height: 27px;
  background: var(--accent);
  box-shadow: 6px 0 0 rgba(183, 230, 90, 0.24);
}

.brand-word {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 23px;
  font-weight: 750;
  line-height: 1;
  letter-spacing: 0.16em;
  white-space: nowrap;
}

.brand-word > span {
  color: var(--accent);
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(24px, 3vw, 50px);
}

.primary-nav a {
  position: relative;
  color: rgba(247, 249, 244, 0.7);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  transition: color 180ms ease;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.primary-nav a:hover {
  color: var(--white);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.language-switch {
  display: flex;
  align-items: center;
  gap: 8px;
}

.language-switch > span {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.25);
}

.lang-option {
  padding: 0;
  color: rgba(255, 255, 255, 0.45);
  background: transparent;
  border: 0;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.lang-option.is-active {
  color: var(--accent);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 54px;
  padding: 0 24px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.09em;
  line-height: 1;
  text-transform: uppercase;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button svg {
  width: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

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

.button-small {
  min-height: 42px;
  padding-inline: 18px;
  font-size: 10px;
}

.button-large {
  min-height: 64px;
  padding-inline: 30px;
}

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

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

.button-ghost {
  color: var(--white);
  border-color: var(--line-dark);
  background: rgba(255, 255, 255, 0.04);
}

.button-ghost:hover {
  color: var(--ink);
  border-color: var(--accent);
  background: var(--accent);
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 940px;
  padding: calc(var(--header-height) + 90px) 0 44px;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 22%, rgba(88, 229, 212, 0.08), transparent 26%),
    linear-gradient(125deg, #070a0b 0%, #091012 55%, #0d1a1a 100%);
  isolation: isolate;
}

.hero-grid,
.contact-grid {
  position: absolute;
  z-index: -2;
  inset: 0;
  opacity: 0.28;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-position: 0 var(--grid-scroll);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 92%);
  transition: background-position 180ms linear;
}

.hero-glow {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-glow-one {
  top: 8%;
  right: 8%;
  width: 360px;
  height: 360px;
  background: rgba(88, 229, 212, 0.12);
  transform: translate3d(0, calc(var(--hero-scroll) * -0.25), 0);
  transition: transform 220ms ease-out;
}

.hero-glow-two {
  bottom: 12%;
  left: 4%;
  width: 240px;
  height: 240px;
  background: rgba(200, 255, 77, 0.08);
  transform: translate3d(0, calc(var(--hero-scroll) * 0.14), 0);
  transition: transform 220ms ease-out;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(440px, 0.8fr);
  align-items: center;
  gap: clamp(56px, 7vw, 120px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  padding-top: 34px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 42px;
  color: rgba(247, 249, 244, 0.64);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border: 1px solid var(--accent);
  border-radius: 50%;
}

.eyebrow-dot::after {
  position: absolute;
  inset: 2px;
  border-radius: inherit;
  background: var(--accent);
  content: "";
}

.hero h1,
.section-heading h2,
.approach-heading h2,
.about-copy h2,
.contact-copy h2 {
  margin-bottom: 0;
  font-family: var(--display);
  font-weight: 650;
  line-height: 0.92;
  letter-spacing: -0.055em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 830px;
  font-size: clamp(66px, 6.9vw, 116px);
}

.hero h1 span,
.section-heading h2 span,
.approach-heading h2 span,
.about-copy h2 span,
.contact-copy h2 span {
  color: var(--accent);
}

.hero-lead {
  max-width: 610px;
  margin: 38px 0 40px;
  color: rgba(247, 249, 244, 0.76);
  font-size: clamp(17px, 1.35vw, 21px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 34px;
}

.text-link {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  color: rgba(247, 249, 244, 0.82);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.text-link-line {
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.35);
  transition: background-color 180ms ease, transform 180ms ease;
}

.text-link:hover .text-link-line {
  background: var(--accent);
  transform: scaleX(0.72);
  transform-origin: left;
}

.hero-visual {
  position: relative;
  min-height: 610px;
}

.visual-frame {
  position: absolute;
  z-index: 2;
  inset: 0 30px 0 0;
  overflow: hidden;
  min-height: 610px;
  background: #181e1f;
  border: 1px solid rgba(255, 255, 255, 0.14);
  cursor: grab;
  touch-action: pan-y;
  transform: perspective(1500px) rotateX(var(--tilt-y, 0deg)) rotateY(var(--tilt-x, 0deg))
    translate3d(0, var(--frame-shift, 0px), 0);
  transform-origin: 50% 50%;
  transition: transform 520ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 240ms ease,
    box-shadow 240ms ease;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.26);
  clip-path: none;
}

.visual-frame:hover {
  border-color: rgba(200, 255, 77, 0.34);
  box-shadow: 0 38px 110px rgba(0, 0, 0, 0.34), 0 0 0 1px rgba(200, 255, 77, 0.08);
}

.visual-frame.is-dragging {
  cursor: grabbing;
  transition: none;
}

.visual-frame::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(200, 255, 77, 0.18);
  content: "";
  pointer-events: none;
  clip-path: none;
}

.visual-image {
  position: absolute;
  inset: 0;
  background-repeat: no-repeat;
  background-position: calc(50% + var(--pan-x, 0px)) calc(50% + var(--pan-y, 0px));
  background-size: cover;
  transform: scale(1.035);
  transition: transform 900ms cubic-bezier(0.2, 0.8, 0.2, 1), filter 600ms ease,
    background-position 620ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform, background-position;
}

.visual-image-hero {
  background-image: url("./assets/hero-companion-robot.png");
  background-position: calc(50% + var(--pan-x, 0px)) calc(0% + var(--pan-y, 0px));
  filter: saturate(0.96) contrast(1.05) brightness(1.08);
}

.visual-frame:hover .visual-image {
  transform: scale(1.065);
  filter: saturate(1.04) contrast(1.03) brightness(1.14);
}

.visual-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 10, 11, 0.02), rgba(7, 10, 11, 0.05) 48%, rgba(7, 10, 11, 0.72)),
    linear-gradient(90deg, rgba(7, 10, 11, 0.16), transparent 65%),
    linear-gradient(135deg, rgba(200, 255, 77, 0.05), transparent 38%);
  pointer-events: none;
}

.visual-index,
.feature-code {
  position: absolute;
  top: 24px;
  right: 24px;
  color: var(--accent);
  font-family: var(--display);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.16em;
}

.visual-caption {
  position: absolute;
  right: 36px;
  bottom: 42px;
  left: 36px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.visual-caption span {
  color: rgba(255, 255, 255, 0.6);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.visual-caption strong {
  max-width: 340px;
  font-family: var(--display);
  font-size: 30px;
  line-height: 1.05;
  letter-spacing: -0.025em;
  text-shadow: 0 3px 20px rgba(0, 0, 0, 0.44);
  text-transform: uppercase;
}

.signal-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 176px;
  padding: 11px 13px;
  background: rgba(7, 10, 11, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(16px);
}

.signal-card,
.orbit {
  display: none;
}

.signal-card-top {
  top: 26px;
  left: 26px;
}

.signal-card-bottom {
  display: none;
}

.signal-card small,
.signal-card strong {
  display: block;
  line-height: 1.3;
}

.signal-card small {
  color: rgba(255, 255, 255, 0.46);
  font-size: 8px;
  letter-spacing: 0.16em;
}

.signal-card strong {
  color: var(--white);
  font-size: 10px;
  letter-spacing: 0.09em;
}

.signal-pulse {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(200, 255, 77, 0.12);
}

.signal-pulse::after {
  position: absolute;
  inset: -5px;
  border: 1px solid var(--accent);
  border-radius: inherit;
  content: "";
  animation: pulse 2.2s ease-out infinite;
}

.signal-code {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  color: var(--ink);
  background: var(--accent);
  font-family: var(--display);
  font-size: 12px;
  font-weight: 850;
}

.visual-hint {
  position: absolute;
  right: 12px;
  bottom: 4px;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.14em;
  pointer-events: none;
  text-transform: uppercase;
}

.visual-hint-line {
  position: relative;
  width: 34px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.28);
}

.visual-hint-line::after {
  position: absolute;
  inset: 0 auto 0 0;
  width: 45%;
  background: var(--accent);
  content: "";
  animation: hint-sweep 2.4s ease-in-out infinite;
}

.orbit {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(200, 255, 77, 0.17);
  border-radius: 50%;
  pointer-events: none;
  animation: orbit-drift 12s ease-in-out infinite alternate;
}

.orbit-one {
  top: -28px;
  right: -62px;
  width: 210px;
  height: 210px;
}

.orbit-two {
  right: -13px;
  bottom: -49px;
  width: 120px;
  height: 120px;
  border-color: rgba(88, 229, 212, 0.22);
  animation-delay: -4s;
}

.hero-foot {
  display: grid;
  grid-template-columns: 1fr 2.5fr;
  gap: 60px;
  margin-top: 72px;
  padding-top: 26px;
  border-top: 1px solid var(--line-dark);
}

.hero-foot-label {
  color: rgba(255, 255, 255, 0.42);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-foot-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 38px;
}

.hero-foot-items > div {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.hero-foot-items span {
  color: var(--accent);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.hero-foot-items strong {
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.statement {
  padding: 150px 0 130px;
}

.statement-layout {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 60px;
}

.section-number {
  color: var(--muted-dark);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-dark .section-number,
.contact .section-number {
  color: rgba(255, 255, 255, 0.4);
}

.statement-text {
  max-width: 1060px;
  margin-bottom: 42px;
  font-family: var(--display);
  font-size: clamp(38px, 4.1vw, 66px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.statement-text span {
  color: var(--muted-dark);
}

.statement-note {
  max-width: 660px;
  margin: 0 0 0 auto;
  color: var(--muted-dark);
  font-size: 16px;
}

.business {
  padding: 40px 0 160px;
}

.section-heading {
  display: grid;
  grid-template-columns: 2.1fr 1fr;
  align-items: end;
  gap: 80px;
  margin-bottom: 78px;
}

.section-heading h2,
.approach-heading h2,
.about-copy h2,
.contact-copy h2 {
  margin-top: 26px;
  font-size: clamp(44px, 4.8vw, 76px);
  line-height: 0.98;
}

.section-heading p {
  max-width: 460px;
  margin-bottom: 4px;
  color: #59645f;
  font-size: 17px;
  line-height: 1.62;
}

.business-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(390px, 0.85fr);
  min-height: 650px;
  border: 1px solid var(--line-light);
}

.business-feature + .business-feature {
  margin-top: 32px;
}

.feature-media {
  position: relative;
  overflow: hidden;
  min-height: 600px;
  background: var(--ink-panel);
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.04) brightness(0.98);
  transform: scale(1.035);
  transition: filter 500ms ease, transform 1s ease;
}

.robotics-feature .feature-media img {
  object-position: 50% 0%;
}

.business-feature:hover .feature-media img {
  filter: saturate(0.92) contrast(1.03) brightness(1.04);
  transform: scale(1.07);
}

.feature-media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7, 10, 11, 0.02), rgba(7, 10, 11, 0.2)),
    linear-gradient(0deg, rgba(7, 10, 11, 0.32), transparent 55%);
}

.feature-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px, 6vw, 88px);
}

.feature-kicker {
  margin-bottom: 25px;
  color: var(--accent-deep);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.feature-content h3 {
  max-width: 560px;
  margin-bottom: 24px;
  font-family: var(--display);
  font-size: clamp(34px, 3.05vw, 52px);
  font-weight: 650;
  line-height: 1;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.feature-content > p {
  max-width: 570px;
  margin-bottom: 30px;
  color: #56615d;
  font-size: 17px;
  line-height: 1.65;
}

.feature-list {
  display: grid;
  gap: 0;
  margin: 0 0 36px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-light);
}

.feature-list li {
  position: relative;
  padding: 13px 0 13px 22px;
  border-bottom: 1px solid var(--line-light);
  color: #27302d;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
}

.feature-list li::before {
  position: absolute;
  top: 21px;
  left: 2px;
  width: 6px;
  height: 1px;
  background: var(--accent-deep);
  content: "";
}

.feature-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-top: 16px;
  border-top: 1px solid var(--ink);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.feature-link span:last-child {
  color: var(--accent-deep);
  font-size: 18px;
  transition: transform 180ms ease;
}

.feature-link:hover span:last-child {
  transform: translate(3px, -3px);
}

.marketing-feature {
  grid-template-columns: minmax(390px, 0.85fr) minmax(0, 1.15fr);
}

.marketing-visual {
  min-height: 650px;
  padding: 42px 48px 36px;
  color: var(--white);
  background: #111718;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.marketing-visual::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(183, 230, 90, 0.07), transparent 38%);
  content: "";
  pointer-events: none;
}

.marketing-visual-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.55);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.16em;
}

.marketing-visual-head span:last-child {
  color: var(--accent);
}

.marketing-flow {
  position: relative;
  z-index: 1;
  display: grid;
  margin-top: 46px;
}

.marketing-flow::before {
  position: absolute;
  top: 28px;
  bottom: 28px;
  left: 19px;
  width: 1px;
  background: linear-gradient(rgba(183, 230, 90, 0.62), rgba(255, 255, 255, 0.12));
  content: "";
}

.marketing-stage {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 18px;
  align-items: start;
  min-height: 108px;
  padding: 0 0 28px;
}

.marketing-stage > span {
  position: relative;
  z-index: 1;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: var(--ink);
  background: var(--accent);
  font-size: 11px;
  font-weight: 800;
}

.marketing-stage strong {
  display: block;
  margin: 3px 0 7px;
  font-family: var(--display);
  font-size: 23px;
  font-weight: 650;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.marketing-stage small {
  display: block;
  max-width: 280px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 13px;
  line-height: 1.45;
}

.marketing-visual-note {
  position: relative;
  z-index: 1;
  margin: 16px 0 0 58px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.44);
  font-size: 12px;
  letter-spacing: 0.03em;
}

.data-visual {
  min-height: 650px;
  color: var(--white);
  background: radial-gradient(circle at center, rgba(88, 229, 212, 0.1), transparent 38%),
    linear-gradient(135deg, #0b1011, #171e1f);
}

.data-grid {
  position: absolute;
  inset: 0;
  opacity: 0.52;
  background-image: linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle, black, transparent 78%);
}

.data-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 170px;
  height: 170px;
  border: 1px solid rgba(200, 255, 77, 0.65);
  border-radius: 50%;
  place-content: center;
  text-align: center;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 100px rgba(200, 255, 77, 0.08), inset 0 0 50px rgba(200, 255, 77, 0.04);
}

.data-core::before,
.data-core::after {
  position: absolute;
  border-radius: 50%;
  content: "";
}

.data-core::before {
  inset: 12px;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  animation: rotate 18s linear infinite;
}

.data-core::after {
  top: -4px;
  left: 50%;
  width: 7px;
  height: 7px;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
  transform: translateX(-50%);
}

.data-core span {
  color: var(--accent);
  font-family: var(--display);
  font-size: 48px;
  font-weight: 750;
  line-height: 0.95;
}

.data-core small {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 8px;
  letter-spacing: 0.2em;
}

.data-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.data-orbit-a {
  width: 360px;
  height: 360px;
}

.data-orbit-b {
  width: 540px;
  height: 540px;
  border-style: dashed;
  animation: rotate 36s linear infinite reverse;
}

.data-stat {
  position: absolute;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  width: 146px;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.data-stat span {
  color: rgba(255, 255, 255, 0.52);
  font-size: 8px;
  letter-spacing: 0.17em;
}

.data-stat strong {
  color: var(--accent);
  font-family: var(--display);
  font-size: 18px;
}

.data-stat-one {
  top: 20%;
  left: 10%;
}

.data-stat-two {
  top: 25%;
  right: 8%;
}

.data-stat-three {
  bottom: 22%;
  left: 8%;
}

.data-stat-four {
  right: 10%;
  bottom: 18%;
}

.capabilities {
  position: relative;
  padding: 160px 0;
  isolation: isolate;
}

.capabilities-glow {
  display: none;
}

.section-heading-dark p {
  color: rgba(255, 255, 255, 0.5);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.capability-card {
  position: relative;
  min-height: 330px;
  padding: 32px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  transition: color 240ms ease, background-color 240ms ease;
}

.capability-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 300ms ease;
}

.capability-card:hover {
  color: var(--white);
  background: #111718;
}

.capability-card:focus-visible {
  z-index: 2;
  outline: 2px solid var(--white);
  outline-offset: -5px;
}

.capability-card:hover::before {
  transform: scaleX(1);
}

.capability-number {
  position: absolute;
  top: 28px;
  right: 28px;
  color: rgba(255, 255, 255, 0.36);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.14em;
}

.capability-card:hover .capability-number {
  color: var(--accent);
}

.capability-card svg {
  width: 45px;
  margin: 20px 0 75px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.capability-card:hover svg {
  stroke: var(--accent);
}

.capability-card h3 {
  margin-bottom: 14px;
  font-family: var(--display);
  font-size: 24px;
  font-weight: 650;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.capability-card p {
  max-width: 340px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  line-height: 1.55;
}

.capability-card:hover p {
  color: rgba(255, 255, 255, 0.72);
}

.section-accent {
  color: var(--ink);
  background: #dfe8d2;
  border-top: 1px solid #c5d1bd;
  border-bottom: 1px solid #c5d1bd;
}

.section-accent h2 span,
.section-light .section-heading h2 span,
.section-light .about-copy h2 span {
  color: var(--accent-deep);
}

.approach {
  padding: 130px 0;
}

.approach-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
}

.approach-heading {
  position: sticky;
  top: 130px;
  align-self: start;
}

.approach-heading h2 span {
  color: rgba(7, 10, 11, 0.42);
}

.approach-steps {
  border-top: 1px solid rgba(7, 10, 11, 0.25);
}

.approach-step {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 22px;
  padding: 40px 0 46px;
  border-bottom: 1px solid rgba(7, 10, 11, 0.25);
}

.approach-step > span {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 750;
}

.approach-step h3 {
  margin-bottom: 12px;
  font-family: var(--display);
  font-size: 34px;
  font-weight: 650;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.approach-step p {
  max-width: 520px;
  margin-bottom: 0;
  color: rgba(7, 10, 11, 0.66);
}

.about {
  padding: 160px 0;
}

.about-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: start;
  gap: clamp(70px, 10vw, 160px);
}

.about-lead {
  max-width: 720px;
  margin: 45px 0 24px;
  color: #1f2926;
  font-size: clamp(20px, 1.55vw, 25px);
  line-height: 1.5;
}

.about-copy > p:last-child {
  max-width: 640px;
  color: #59645f;
  font-size: 17px;
  line-height: 1.68;
}

.about-panel {
  position: relative;
  padding: 30px;
  color: var(--white);
  background: var(--ink);
  border: 1px solid rgba(7, 10, 11, 0.08);
  box-shadow: 0 20px 48px rgba(7, 10, 11, 0.08);
}

.about-panel-top {
  display: flex;
  justify-content: space-between;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-dark);
  color: rgba(255, 255, 255, 0.45);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.16em;
}

.about-panel dl {
  position: relative;
  z-index: 2;
  margin: 38px 0 80px;
}

.about-panel dl > div {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 20px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line-dark);
}

.about-panel dt {
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  font-weight: 650;
  text-transform: uppercase;
}

.about-panel dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.94);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
}

.about-panel-mark {
  display: none;
}

.contact {
  position: relative;
  padding: 150px 0;
  isolation: isolate;
}

.contact-grid {
  opacity: 0.32;
  mask-image: radial-gradient(circle at 25% 40%, black, transparent 70%);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: end;
  gap: 100px;
}

.contact-copy h2 {
  font-size: clamp(48px, 5.8vw, 92px);
  line-height: 0.98;
}

.contact-copy > p {
  max-width: 590px;
  margin: 36px 0 36px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 18px;
}

.contact-pending {
  width: max-content;
  cursor: pointer;
}

.contact-details {
  border-top: 1px solid var(--line-dark);
}

.contact-details > div {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 27px 0;
  border-bottom: 1px solid var(--line-dark);
}

.contact-details span {
  color: var(--accent);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.16em;
}

.contact-details strong,
.contact-link {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.contact-link {
  color: var(--white);
  text-decoration: none;
  width: fit-content;
  transition: color 180ms ease;
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--accent);
}

.contact-details small {
  color: rgba(255, 255, 255, 0.42);
  font-size: 12px;
}

.site-footer {
  color: var(--white);
  background: #050708;
  border-top: 1px solid var(--line-dark);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  padding: 50px 0;
}

.footer-top p {
  max-width: 360px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.48);
  font-size: 12px;
  text-align: center;
}

.back-to-top {
  justify-self: end;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.back-to-top:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0 24px;
  color: rgba(255, 255, 255, 0.32);
  border-top: 1px solid var(--line-dark);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.footer-bottom div {
  display: flex;
  gap: 30px;
}

.footer-legal-link {
  padding: 0;
  color: rgba(255, 255, 255, 0.32);
  background: transparent;
  border: 0;
  font-size: 9px;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.footer-legal-link:hover,
.footer-legal-link:focus-visible {
  color: var(--white);
}

.legal-modal {
  position: fixed;
  z-index: 250;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.legal-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.legal-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 5, 6, 0.82);
  backdrop-filter: blur(14px);
}

.legal-dialog {
  position: relative;
  width: min(680px, 100%);
  max-height: min(680px, calc(100vh - 48px));
  overflow: auto;
  padding: clamp(28px, 5vw, 54px);
  color: var(--ink);
  background: var(--paper);
  border-top: 3px solid var(--accent);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.4);
  transform: translateY(18px);
  transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

.legal-modal.is-open .legal-dialog {
  transform: translateY(0);
}

.legal-dialog-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 22px;
  color: var(--muted-dark);
  border-bottom: 1px solid var(--line-light);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.legal-close {
  width: 34px;
  height: 34px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-light);
  font-size: 23px;
  line-height: 1;
  cursor: pointer;
}

.legal-close:hover,
.legal-close:focus-visible {
  color: var(--ink);
  background: var(--accent);
  border-color: var(--accent);
}

.legal-dialog h2 {
  margin: 38px 0 24px;
  font-family: var(--display);
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 650;
  line-height: 1;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.legal-dialog-body {
  color: var(--muted-dark);
  font-size: 15px;
}

.legal-dialog-body p:last-child {
  margin-bottom: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 720ms ease, transform 720ms cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-delay-1 {
  transition-delay: 100ms;
}

.reveal-delay-2 {
  transition-delay: 200ms;
}

@keyframes pulse {
  0% {
    opacity: 0.8;
    transform: scale(0.6);
  }
  70%,
  100% {
    opacity: 0;
    transform: scale(1.6);
  }
}

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

@keyframes orbit-drift {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg) scale(1);
  }
  100% {
    transform: translate3d(8px, -10px, 0) rotate(5deg) scale(1.04);
  }
}

@keyframes hint-sweep {
  0%,
  100% {
    transform: translateX(-120%);
  }
  50% {
    transform: translateX(240%);
  }
}

html[lang="zh"] .hero h1,
html[lang="zh"] .section-heading h2,
html[lang="zh"] .approach-heading h2,
html[lang="zh"] .about-copy h2,
html[lang="zh"] .contact-copy h2,
html[lang="zh"] .statement-text,
html[lang="zh"] .feature-content h3,
html[lang="zh"] .capability-card h3,
html[lang="zh"] .approach-step h3,
html[lang="zh"] .contact-details strong,
.contact-link {
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-weight: 700;
  letter-spacing: -0.045em;
  text-transform: none;
}

html[lang="zh"] .legal-dialog h2 {
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-weight: 700;
  letter-spacing: -0.04em;
  text-transform: none;
}

html[lang="zh"] .hero h1 {
  font-size: clamp(50px, 4.65vw, 76px);
  line-height: 1.08;
}

html[lang="zh"] .section-heading h2,
html[lang="zh"] .approach-heading h2,
html[lang="zh"] .about-copy h2,
html[lang="zh"] .contact-copy h2 {
  line-height: 1.1;
}

html[lang="zh"] .eyebrow,
html[lang="zh"] .section-number,
html[lang="zh"] .feature-kicker,
html[lang="zh"] .primary-nav a,
html[lang="zh"] .button {
  letter-spacing: 0.08em;
}

@media (max-width: 1180px) {
  :root {
    --container: min(100% - 48px, 1120px);
  }

  .nav-wrap {
    gap: 24px;
  }

  .primary-nav {
    gap: 22px;
  }

  .nav-actions .button {
    display: none;
  }

  .hero {
    min-height: 850px;
  }

  .hero-layout {
    grid-template-columns: 1fr 0.78fr;
    gap: 52px;
  }

  .hero-visual,
  .visual-frame {
    min-height: 540px;
  }

  .hero-foot {
    grid-template-columns: 0.7fr 2.3fr;
  }

  .business-feature,
  .marketing-feature {
    grid-template-columns: 1fr 1fr;
  }

  .feature-content {
    padding: 48px;
  }
}

@media (max-width: 900px) {
  :root {
    --container: min(100% - 40px, 820px);
    --header-height: 72px;
  }

  .nav-wrap {
    grid-template-columns: auto 1fr auto;
  }

  .site-header .brand {
    position: relative;
    z-index: 3;
  }

  .menu-toggle {
    z-index: 3;
    display: flex;
    grid-column: 3;
    grid-row: 1;
    flex-direction: column;
    justify-content: center;
    gap: 7px;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: 0;
    cursor: pointer;
  }

  .menu-toggle span {
    display: block;
    width: 24px;
    height: 1px;
    margin-left: auto;
    background: var(--white);
    transition: transform 180ms ease;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .primary-nav {
    position: fixed;
    z-index: 2;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 22px;
    padding: 90px 38px;
    background: rgba(7, 10, 11, 0.98);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 220ms ease, transform 220ms ease;
  }

  .primary-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .primary-nav a {
    color: var(--white);
    font-family: var(--display);
    font-size: 36px;
    font-weight: 650;
    letter-spacing: -0.02em;
  }

  .nav-actions {
    position: fixed;
    z-index: 4;
    right: 80px;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 64px);
  }

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

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual,
  .visual-frame {
    min-height: 650px;
  }

  .hero-visual {
    margin-top: 20px;
  }

  .hero-foot {
    grid-template-columns: 1fr;
    gap: 26px;
    margin-top: 58px;
  }

  .statement,
  .capabilities,
  .about,
  .contact {
    padding: 110px 0;
  }

  .statement-layout,
  .section-heading,
  .approach-layout,
  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .statement-layout {
    gap: 34px;
  }

  .statement-note {
    margin-left: 0;
  }

  .business {
    padding-bottom: 110px;
  }

  .section-heading {
    gap: 28px;
    margin-bottom: 56px;
  }

  .section-heading p {
    max-width: 620px;
  }

  .business-feature,
  .marketing-feature {
    grid-template-columns: 1fr;
  }

  .marketing-feature .feature-content {
    order: 2;
  }

  .marketing-feature .feature-media {
    order: 1;
  }

  .feature-media,
  .data-visual {
    min-height: 540px;
  }

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

  .approach-layout {
    gap: 64px;
  }

  .approach-heading {
    position: static;
  }

  .contact-layout {
    align-items: start;
    gap: 70px;
  }
}

@media (max-width: 620px) {
  :root {
    --container: calc(100% - 32px);
  }

  .brand-word {
    font-size: 19px;
  }

  .brand-signature {
    height: 24px;
  }

  .nav-actions {
    right: 68px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 50px);
  }

  .eyebrow {
    margin-bottom: 30px;
    font-size: 9px;
    letter-spacing: 0.12em;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(42px, 12.8vw, 58px);
    line-height: 0.95;
    letter-spacing: -0.068em;
  }

  html[lang="zh"] .hero h1 {
    font-size: clamp(39px, 11vw, 52px);
    line-height: 1.12;
  }

  .hero-lead {
    margin: 28px 0 32px;
    font-size: 16px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
  }

  .button {
    width: 100%;
  }

  .nav-actions .language-switch {
    width: auto;
  }

  .hero-visual,
  .visual-frame {
    min-height: 480px;
  }

  .visual-frame {
    right: 0;
  }

  .visual-hint {
    right: 2px;
    bottom: -24px;
    font-size: 8px;
  }

  .signal-card {
    min-width: 160px;
    padding: 10px 12px;
  }

  .signal-card-top {
    top: 28%;
    left: 14px;
  }

  .signal-card-bottom {
    top: 45%;
    right: 14px;
  }

  .visual-caption {
    right: 24px;
    bottom: 28px;
    left: 24px;
  }

  .visual-caption strong {
    font-size: 25px;
  }

  .hero-foot-items {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .statement,
  .capabilities,
  .about,
  .contact {
    padding: 86px 0;
  }

  .statement-text {
    font-size: 37px;
  }

  .section-heading h2,
  .approach-heading h2,
  .about-copy h2,
  .contact-copy h2 {
    font-size: 44px;
  }

  .business {
    padding-bottom: 86px;
  }

  .feature-media,
  .data-visual {
    min-height: 390px;
  }

  .feature-content {
    padding: 38px 24px;
  }

  .feature-content h3 {
    font-size: 36px;
  }

  .data-orbit-a {
    width: 260px;
    height: 260px;
  }

  .data-orbit-b {
    width: 390px;
    height: 390px;
  }

  .data-core {
    width: 125px;
    height: 125px;
  }

  .data-core span {
    font-size: 36px;
  }

  .data-stat {
    width: 112px;
  }

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

  .capability-card {
    min-height: 280px;
  }

  .capability-card svg {
    margin-bottom: 52px;
  }

  .approach {
    padding: 86px 0;
  }

  .approach-step {
    grid-template-columns: 48px 1fr;
    padding: 30px 0;
  }

  .about-panel {
    padding: 24px;
  }

  .about-panel dl > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .contact-copy h2 {
    font-size: 50px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-top p {
    margin: 0;
    text-align: left;
  }

  .back-to-top {
    justify-self: start;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }
}

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

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

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

  .visual-frame {
    transform: none !important;
  }

  .hero-grid,
  .hero-glow-one,
  .hero-glow-two {
    transition: none !important;
    transform: none !important;
  }
}
