:root {
  --ink: #11130f;
  --ink-soft: #252820;
  --paper: #f1f0e9;
  --paper-bright: #f8f7f2;
  --line: rgba(17, 19, 15, 0.16);
  --line-dark: rgba(255, 255, 255, 0.16);
  --muted: #6e7169;
  --acid: #d7ff45;
  --cyan: #7ce9df;
  --orange: #ff7a3d;
  --wrap: min(1480px, calc(100vw - 48px));
  --header-height: 84px;
  --radius: 2px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "SF Pro Display", "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--acid);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: none;
}

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

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: max(24px, calc((100vw - 1480px) / 2));
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  transition: height 260ms ease, background 260ms ease, color 260ms ease, backdrop-filter 260ms ease;
}

.site-header.is-scrolled {
  height: 68px;
  color: var(--ink);
  background: rgba(241, 240, 233, 0.88);
  border-color: var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 8px;
  object-fit: cover;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-family: "Arial Narrow", Inter, sans-serif;
  font-size: 13px;
  line-height: 1;
  letter-spacing: 0.16em;
}

.brand-copy small {
  font-size: 11px;
  letter-spacing: 0.12em;
  opacity: 0.64;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 34px);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.site-nav > a,
.site-nav > button {
  white-space: nowrap;
}

.site-nav > a:not(.nav-pill) {
  position: relative;
  padding-block: 12px;
}

.site-nav > a:not(.nav-pill)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 6px;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.site-nav > a:hover::after,
.site-nav > a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 11px 14px;
  color: var(--ink);
  background: var(--acid);
  border: 1px solid var(--acid);
  transition: color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled .nav-pill {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}

.nav-pill:hover,
.site-header.is-scrolled .nav-pill:hover {
  color: var(--ink);
  background: #fff;
}

.lang-switch {
  min-width: 48px;
  height: 40px;
  padding: 0 11px;
  color: inherit;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid currentColor;
  border-radius: 999px;
  cursor: pointer;
  font-family: "Arial Narrow", Inter, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.lang-switch:hover,
.lang-switch:focus-visible {
  color: var(--ink);
  background: var(--acid);
  border-color: var(--acid);
  outline: none;
}

.site-header.is-scrolled .lang-switch {
  background: rgba(17, 19, 15, 0.04);
}

.lang-switch-mobile {
  display: none;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  margin: 6px auto;
  background: currentColor;
  transition: transform 200ms ease;
}

.hero {
  position: relative;
  min-height: 820px;
  height: 100svh;
  overflow: hidden;
  color: #fff;
  background: var(--ink);
}

.hero-media,
.hero-media::after,
.hero-grid,
.hero-scanline {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: saturate(0.84) contrast(1.02);
  transform: scale(1.015);
  animation: hero-drift 16s ease-in-out infinite alternate;
}

.hero-media::after {
  content: "";
  background:
    linear-gradient(90deg, rgba(12, 15, 12, 0.94) 0%, rgba(12, 15, 12, 0.76) 32%, rgba(12, 15, 12, 0.12) 68%, rgba(12, 15, 12, 0.28) 100%),
    linear-gradient(0deg, rgba(8, 10, 8, 0.82) 0%, transparent 38%, rgba(8, 10, 8, 0.2) 100%);
}

.hero-grid {
  pointer-events: none;
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.24) 1px, transparent 1px);
  background-size: calc(100vw / 8) 100%, 100% 25%;
  mask-image: linear-gradient(90deg, #000, transparent 78%);
}

.hero-scanline {
  width: 1px;
  right: auto;
  left: 62%;
  opacity: 0.6;
  background: linear-gradient(180deg, transparent, var(--acid), transparent);
  box-shadow: 0 0 28px rgba(215, 255, 69, 0.4);
  animation: scan 7s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--header-height);
}

.hero-copy {
  width: min(930px, 72vw);
}

.hero-intro-copy {
  animation: hero-copy-in 1s 160ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.eyebrow-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 36px;
}

.eyebrow,
.section-kicker {
  margin: 0;
  font-family: "Arial Narrow", Inter, sans-serif;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  color: var(--acid);
  border: 1px solid rgba(215, 255, 69, 0.5);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status i,
.pulse {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px rgba(215, 255, 69, 0.12);
  animation: pulse 1.6s ease-in-out infinite;
}

.hero h1 {
  margin: 0;
  max-width: 940px;
  font-size: clamp(48px, 6vw, 88px);
  font-weight: 520;
  line-height: 0.99;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.hero h1 em {
  color: var(--acid);
  font-style: normal;
  font-weight: 520;
}

.hero-lede {
  max-width: 610px;
  margin: 32px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(15px, 1.35vw, 18px);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 38px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 0 18px;
  border: 1px solid transparent;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.04em;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

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

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

.button-primary:hover {
  background: #fff;
  border-color: #fff;
}

.button-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(6px);
}

.button-ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.play-dot {
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: #fff;
  border-radius: 50%;
  font-size: 7px;
}

.hero-telemetry {
  position: absolute;
  right: 0;
  bottom: 78px;
  width: min(580px, 48vw);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.24);
}

.hero-intro-telemetry {
  animation: hero-copy-in 900ms 620ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.telemetry-item {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 20px 22px 0 0;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.telemetry-item:last-child {
  border: 0;
}

.telemetry-item strong {
  color: var(--acid);
  font-family: "Arial Narrow", Inter, sans-serif;
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.telemetry-item span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
  line-height: 1.55;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-caption {
  position: absolute;
  z-index: 2;
  right: max(24px, calc((100vw - 1480px) / 2));
  bottom: 22px;
  left: max(24px, calc((100vw - 1480px) / 2));
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.36);
  font-size: 9px;
  letter-spacing: 0.16em;
}

.scroll-cue {
  display: flex;
  align-items: center;
  gap: 10px;
}

.scroll-cue i {
  width: 42px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.22);
}

.scroll-cue i::after {
  content: "";
  display: block;
  width: 18px;
  height: 1px;
  background: var(--acid);
  animation: scroll-line 2s ease-in-out infinite;
}

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

.statement {
  padding: 160px 0 128px;
}

.statement-grid {
  display: grid;
  grid-template-columns: minmax(160px, 0.65fr) minmax(0, 3.35fr);
  gap: 40px;
}

.section-kicker {
  color: var(--muted);
}

.statement h2,
.section-head h2,
.scene-title h2,
.final-content h2,
.demo-heading h2 {
  margin: 0;
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 520;
  line-height: 1.08;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.statement h2 {
  max-width: 1120px;
}

.statement-grid > div > p {
  max-width: 680px;
  margin: 36px 0 0 auto;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.features {
  padding: 86px 0 150px;
}

.section-head,
.demo-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 64px;
}

.section-head h2,
.demo-heading h2 {
  margin-top: 18px;
}

.section-intro {
  width: min(380px, 32vw);
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

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

.feature-row {
  position: relative;
  min-height: 250px;
  display: grid;
  grid-template-columns: 64px minmax(0, 1.55fr) minmax(340px, 1fr);
  gap: clamp(28px, 3vw, 56px);
  align-items: start;
  padding: 42px 60px 42px 0;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  outline: none;
  transition: color 260ms ease, padding 260ms ease, background 260ms ease;
}

.feature-row::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: translateY(101%);
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.feature-row:hover,
.feature-row:focus-visible {
  color: #fff;
  padding-left: 24px;
}

.feature-row:hover::before,
.feature-row:focus-visible::before {
  transform: none;
}

.feature-row > * {
  position: relative;
  z-index: 1;
}

.feature-index {
  color: var(--muted);
  font-family: "Arial Narrow", Inter, sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.feature-title > span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.feature-title h3 {
  max-width: 720px;
  margin: 18px 0 0;
  font-size: clamp(26px, 3vw, 42px);
  font-weight: 520;
  line-height: 1.18;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.feature-row > p {
  margin: 29px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  transition: color 260ms ease;
}

.feature-row:hover > p,
.feature-row:focus-visible > p {
  color: rgba(255, 255, 255, 0.66);
}

.feature-arrow {
  position: absolute;
  top: 40px;
  right: 8px;
  font-size: 24px;
  transition: color 220ms ease, transform 220ms ease;
}

.feature-row:hover .feature-arrow,
.feature-row:focus-visible .feature-arrow {
  color: var(--acid);
  transform: rotate(45deg);
}

.feature-visual {
  position: absolute;
  z-index: 2;
  right: 70px;
  bottom: 26px;
  left: 95px;
  height: 30px;
  align-items: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 280ms ease, transform 360ms ease;
  pointer-events: none;
}

.feature-row:hover .feature-visual,
.feature-row:focus-visible .feature-visual {
  opacity: 1;
  transform: none;
}

.visual-composition {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
}

.visual-composition span {
  padding: 5px 8px;
  color: var(--ink);
  background: var(--acid);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.visual-composition i {
  width: 30px;
  height: 1px;
  background: rgba(255, 255, 255, 0.4);
}

.visual-loop {
  display: flex;
  gap: 8px;
}

.visual-loop span {
  width: 64px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.visual-loop span:nth-child(3) {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.visual-generalization {
  display: flex;
  gap: 16px;
}

.visual-generalization > div {
  display: flex;
  align-items: center;
  gap: 6px;
}

.visual-generalization b {
  margin-right: 6px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 9px;
  letter-spacing: 0.14em;
}

.visual-generalization i {
  width: 9px;
  height: 9px;
  border: 1px solid var(--acid);
}

.visual-generalization > div:last-child i:nth-of-type(2) {
  background: var(--acid);
}

.demo-section {
  padding: 128px 0 88px;
  overflow: hidden;
  color: #fff;
  background: var(--ink);
}

.section-kicker-dark {
  color: rgba(255, 255, 255, 0.45);
}

.demo-heading {
  align-items: end;
}

.demo-instruction {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.demo-instruction .pulse {
  color: var(--acid);
}

.demo-rail {
  width: 100%;
  cursor: grab;
  outline: none;
}

.demo-rail:active {
  cursor: grabbing;
}

.demo-track {
  width: max-content;
  display: flex;
  gap: 16px;
  padding-inline: max(24px, calc((100vw - 1480px) / 2));
  will-change: transform;
}

.demo-card {
  position: relative;
  width: min(560px, 72vw);
  height: min(420px, 54vw);
  max-height: 420px;
  min-height: 300px;
  flex: 0 0 auto;
  overflow: hidden;
  background: #242820;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.demo-card-wide {
  width: min(720px, 80vw);
}

[data-video-card] {
  cursor: pointer;
  outline: none;
}

[data-video-card]:focus-visible {
  border-color: var(--acid);
  box-shadow: inset 0 0 0 2px var(--acid);
}

.demo-rail:active [data-video-card] {
  cursor: grabbing;
}

.demo-card video,
.demo-card > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.76) contrast(1.04);
  transition: filter 400ms ease, transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.demo-card:hover video,
.demo-card:hover > img {
  filter: saturate(1) contrast(1.04);
  transform: scale(1.025);
}

.demo-still > img {
  object-position: center;
}

.demo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.04) 40%, rgba(0, 0, 0, 0.8) 100%);
  pointer-events: none;
}

.demo-label {
  position: absolute;
  right: 24px;
  bottom: 22px;
  left: 24px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.demo-label span,
.demo-time {
  color: var(--acid);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.demo-label h3 {
  margin: 6px 0 0;
  font-size: 28px;
  font-weight: 520;
  letter-spacing: -0.035em;
}

.demo-label p {
  margin: 0;
  color: rgba(255, 255, 255, 0.56);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-align: right;
  text-transform: uppercase;
}

.demo-time {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 6px 8px;
  color: #fff;
  background: rgba(10, 12, 9, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
}

.demo-open {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  padding: 12px 16px;
  color: var(--ink);
  background: var(--acid);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -42%);
  transition: opacity 220ms ease, transform 220ms ease;
}

[data-video-card]:hover .demo-open,
[data-video-card]:focus-visible .demo-open {
  opacity: 1;
  transform: translate(-50%, -50%);
}

.demo-placeholder {
  background: #1c2119;
}

.placeholder-grid {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(215, 255, 69, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(215, 255, 69, 0.28) 1px, transparent 1px);
  background-size: 44px 44px;
}

.placeholder-cross,
.placeholder-cross i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 90px;
  height: 1px;
  background: var(--acid);
}

.placeholder-cross {
  background: transparent;
  transform: translate(-50%, -50%);
}

.placeholder-cross i:first-child {
  transform: translate(-50%, -50%) rotate(45deg);
}

.placeholder-cross i:last-child {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.demo-note {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
}

.video-modal[hidden] {
  display: none;
}

.video-modal {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 32px;
  color: #fff;
  opacity: 0;
  transition: opacity 240ms ease;
}

.video-modal.is-open {
  opacity: 1;
}

.video-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 8, 6, 0.86);
  backdrop-filter: blur(18px) saturate(0.72);
}

.video-modal-panel {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100vw - 64px));
  padding: 20px;
  overflow: hidden;
  background: #0d0f0c;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translateY(24px) scale(0.985);
  transition: opacity 260ms ease, transform 360ms cubic-bezier(0.22, 1, 0.36, 1);
}

.video-modal.is-open .video-modal-panel {
  opacity: 1;
  transform: none;
}

.video-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  padding: 0 2px 18px;
}

.video-modal-header p,
.video-modal-hint {
  margin: 0;
  color: rgba(255, 255, 255, 0.46);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.video-modal-header h2 {
  margin: 7px 0 0;
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 520;
  letter-spacing: -0.04em;
}

.video-modal-close {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 9px 10px 9px 14px;
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.24);
  cursor: pointer;
  font-size: 11px;
  letter-spacing: 0.1em;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.video-modal-close i {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  color: var(--ink);
  background: var(--acid);
  border-radius: 50%;
  font-size: 18px;
  font-style: normal;
  line-height: 1;
}

.video-modal-close:hover,
.video-modal-close:focus-visible {
  color: var(--ink);
  background: var(--acid);
  border-color: var(--acid);
  outline: none;
}

.video-modal-frame {
  position: relative;
  overflow: hidden;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.12);
  aspect-ratio: 16 / 9;
}

.video-modal-frame video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}

.video-modal-hint {
  padding: 15px 2px 1px;
  line-height: 1.6;
  text-transform: none;
}

.system {
  padding: 150px 0;
}

.system-head {
  align-items: end;
}

.capability-map {
  border: 1px solid var(--line);
  background: var(--paper-bright);
}

.map-axis {
  height: 52px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
  padding: 0 30px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-align: center;
}

.map-track {
  min-height: 440px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  padding: 34px 30px 28px;
}

.map-track article {
  position: relative;
  height: var(--level);
  min-height: 160px;
  padding: 20px;
  border-top: 2px solid var(--ink);
  border-right: 1px solid var(--line);
  transition: background 220ms ease, color 220ms ease, transform 220ms ease;
}

.map-track article:first-child {
  border-left: 1px solid var(--line);
}

.map-track article:hover {
  color: #fff;
  background: var(--ink);
  transform: translateY(-8px);
}

.map-track article.map-peak {
  color: var(--ink);
  background: var(--acid);
  border-top-color: var(--acid);
}

.map-track article.map-peak:hover {
  color: #fff;
  background: var(--ink);
}

.map-track article > span {
  color: var(--muted);
  font-family: "Arial Narrow", Inter, sans-serif;
  font-size: 10px;
}

.map-track article h3 {
  margin: 17px 0 10px;
  font-size: clamp(16px, 1.6vw, 24px);
  font-weight: 560;
  letter-spacing: -0.035em;
}

.map-track article p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.map-track article:hover p,
.map-track article:hover > span {
  color: rgba(255, 255, 255, 0.55);
}

.task-flow {
  display: grid;
  grid-template-columns: 1.15fr 1.65fr;
  gap: 64px;
  margin-top: 90px;
}

.task-flow-copy h3 {
  margin: 22px 0 18px;
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 520;
  line-height: 1.15;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

body[data-lang="en"] .hero-copy {
  width: min(1120px, 82vw);
}

body[data-lang="en"] .hero h1 {
  max-width: 1120px;
  font-size: clamp(48px, 5.2vw, 78px);
}

body[data-lang="en"] .statement h2 br {
  display: none;
}

body[data-lang="en"] .final-content h2 {
  font-size: clamp(42px, 4.2vw, 60px);
  text-wrap: balance;
}

body[data-lang="en"] .final-content h2 br {
  display: none;
}

.task-flow-copy > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

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

.flow-steps li {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  align-items: center;
  min-height: 66px;
  border-bottom: 1px solid var(--line);
  transition: padding 200ms ease, background 200ms ease;
}

.flow-steps li:hover {
  padding-inline: 14px;
  background: var(--paper-bright);
}

.flow-steps span,
.flow-steps small {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.flow-steps b {
  font-size: 14px;
  font-weight: 560;
}

.scenes {
  padding: 148px 0 160px;
  color: #fff;
  background: #1a1d18;
}

.scene-title {
  max-width: 950px;
  margin-bottom: 70px;
}

.scene-title h2 {
  margin-top: 20px;
}

.scene-title > p:last-child {
  max-width: 650px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.8;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.scene-card {
  position: relative;
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  overflow: hidden;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  transition: color 280ms ease, transform 280ms ease;
}

.scene-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--scene-accent);
  transform: translateY(101%);
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.scene-card:hover::before {
  transform: none;
}

.scene-card:hover {
  color: var(--ink);
}

.scene-card > * {
  position: relative;
}

.scene-kitchen { --scene-accent: #ff8b52; }
.scene-tidying { --scene-accent: #d7ff45; }
.scene-safety { --scene-accent: #7ce9df; }
.scene-care { --scene-accent: #ddd3ff; }

.scene-no {
  color: rgba(255, 255, 255, 0.62);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.scene-card:hover .scene-no {
  color: rgba(17, 19, 15, 0.46);
}

.scene-icon {
  width: 106px;
  height: 106px;
  display: grid;
  place-items: center;
  margin: 54px 0 auto;
  overflow: hidden;
  border-radius: 24px;
  background: #11130f;
  transition: transform 320ms ease, box-shadow 320ms ease;
}

.scene-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-card:hover .scene-icon {
  transform: rotate(12deg) scale(1.05);
  box-shadow: 0 18px 40px rgba(17, 19, 15, 0.24);
}

.scene-card h3 {
  margin: 42px 0 6px;
  font-size: 22px;
  font-weight: 540;
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.scene-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scene-card:hover p {
  color: rgba(17, 19, 15, 0.52);
}

.scene-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.scene-card li {
  padding: 5px 7px;
  color: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.24);
  font-size: 11px;
}

.scene-card:hover li {
  color: var(--ink);
  border-color: rgba(17, 19, 15, 0.22);
}

.final-cta {
  position: relative;
  min-height: 720px;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  background: #10120e;
}

.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.14;
  background-image: radial-gradient(rgba(255, 255, 255, 0.8) 0.8px, transparent 0.8px);
  background-size: 22px 22px;
  mask-image: radial-gradient(circle, #000 0%, transparent 68%);
}

.final-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.final-content h2 {
  margin: 24px auto 0;
}

.final-content > p:nth-of-type(2) {
  margin: 28px 0 34px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

.button-light {
  color: var(--ink);
  background: #fff;
}

.button-light:hover {
  background: var(--acid);
}

.final-orbit,
.final-orbit i {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(215, 255, 69, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.final-orbit {
  width: min(760px, 82vw);
  height: min(760px, 82vw);
  animation: orbit 30s linear infinite;
}

.final-orbit i:nth-child(1) {
  width: 76%;
  height: 76%;
}

.final-orbit i:nth-child(2) {
  width: 52%;
  height: 52%;
}

.final-orbit i:nth-child(3) {
  top: 8%;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--acid);
  box-shadow: 0 0 24px rgba(215, 255, 69, 0.7);
}

.site-footer {
  padding: 40px 0;
  color: #fff;
  background: var(--ink);
  border-top: 1px solid var(--line-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  gap: 30px;
}

.footer-grid > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.36);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
}

.footer-meta {
  display: flex;
  justify-content: flex-end;
  gap: 24px;
  color: rgba(255, 255, 255, 0.38);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.footer-meta a:hover {
  color: var(--acid);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 720ms ease, transform 720ms cubic-bezier(0.22, 1, 0.36, 1);
}

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

@keyframes hero-drift {
  from { transform: scale(1.015) translate3d(0, 0, 0); }
  to { transform: scale(1.06) translate3d(-0.6%, -0.4%, 0); }
}

@keyframes hero-copy-in {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: none; }
}

@keyframes scan {
  0%, 100% { opacity: 0; transform: translateX(-120px); }
  20%, 80% { opacity: 0.55; }
  50% { transform: translateX(180px); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1); }
}

@keyframes scroll-line {
  from { transform: translateX(-100%); }
  to { transform: translateX(250%); }
}

@keyframes orbit {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@media (max-width: 1080px) {
  :root {
    --wrap: min(100% - 40px, 920px);
  }

  .site-header {
    padding-inline: 20px;
  }

  .menu-toggle {
    position: relative;
    z-index: 102;
    display: block;
  }

  .lang-switch-mobile {
    position: absolute;
    z-index: 102;
    right: 68px;
    display: block;
    color: inherit;
    background: rgba(255, 255, 255, 0.04);
  }

  .menu-open .menu-toggle span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .menu-open .menu-toggle span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    z-index: 101;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    padding: 100px 28px 40px;
    color: #fff;
    background: rgba(17, 19, 15, 0.98);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity 200ms ease, transform 200ms ease, visibility 200ms;
  }

  .menu-open .site-nav {
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .site-nav > a:not(.nav-pill) {
    padding: 19px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 22px;
  }

  .site-nav .nav-pill {
    margin-top: 28px;
    justify-content: space-between;
    padding: 16px;
    color: var(--ink);
    background: var(--acid);
  }

  .site-nav .lang-switch {
    display: none;
  }

  .site-header.is-scrolled .site-nav {
    color: #fff;
  }

  .hero {
    min-height: 760px;
  }

  .hero-media::after {
    background:
      linear-gradient(90deg, rgba(12, 15, 12, 0.94), rgba(12, 15, 12, 0.35)),
      linear-gradient(0deg, rgba(8, 10, 8, 0.92), transparent 62%);
  }

  .hero-copy {
    width: 88%;
  }

  .hero-telemetry {
    position: static;
    width: 100%;
    margin-top: 54px;
  }

  .telemetry-item {
    padding-right: 12px;
  }

  .statement,
  .features,
  .system,
  .scenes {
    padding-block: 100px;
  }

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

  .statement-grid > div > p {
    margin-left: 0;
  }

  .feature-row {
    min-height: auto;
    grid-template-columns: 50px minmax(0, 1fr);
    gap: 22px;
    padding-block: 36px;
  }

  .feature-row > p {
    grid-column: 2;
    max-width: 760px;
    margin-top: 0;
  }

  .feature-visual {
    display: none;
  }

  .task-flow {
    grid-template-columns: 1fr;
  }

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

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

  .footer-grid > p {
    display: none;
  }
}

@media (max-width: 680px) {
  :root {
    --wrap: calc(100vw - 32px);
    --header-height: 68px;
  }

  .brand-copy small {
    display: none;
  }

  .hero {
    min-height: 760px;
    height: 100svh;
  }

  .hero-media img {
    object-position: 64% center;
  }

  .hero-media::after {
    background:
      linear-gradient(90deg, rgba(12, 15, 12, 0.82), rgba(12, 15, 12, 0.18)),
      linear-gradient(0deg, rgba(8, 10, 8, 0.98) 4%, rgba(8, 10, 8, 0.6) 56%, rgba(8, 10, 8, 0.2));
  }

  .hero-content {
    justify-content: flex-end;
    padding-bottom: 74px;
  }

  .hero-copy {
    width: 100%;
  }

  .eyebrow-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
  }

  .hero h1 {
    font-size: clamp(34px, 10.6vw, 44px);
    line-height: 1.02;
    letter-spacing: -0.075em;
  }

  .hero-lede {
    margin-top: 22px;
    font-size: 13px;
    line-height: 1.75;
  }

  .hero-actions {
    margin-top: 24px;
  }

  .button {
    flex: 1;
    gap: 12px;
    padding-inline: 12px;
  }

  .hero-telemetry,
  .hero-caption {
    display: none;
  }

  .statement,
  .features,
  .system,
  .scenes {
    padding-block: 76px;
  }

  .statement h2,
  .section-head h2,
  .scene-title h2,
  .final-content h2,
  .demo-heading h2 {
    font-size: clamp(36px, 10vw, 52px);
  }

  .section-head,
  .demo-heading {
    display: block;
    margin-bottom: 42px;
  }

  .section-intro,
  .demo-instruction {
    width: 100%;
    margin-top: 22px;
  }

  .feature-row {
    min-height: auto;
    grid-template-columns: 38px 1fr;
    gap: 14px;
    padding: 30px 42px 34px 0;
  }

  .feature-row:hover,
  .feature-row:focus-visible {
    padding-left: 12px;
  }

  .feature-row > p {
    grid-column: 2;
    margin-top: 4px;
  }

  .feature-visual {
    display: none;
  }

  .feature-arrow {
    top: 28px;
    right: 2px;
  }

  .demo-section {
    padding: 76px 0 56px;
  }

  .demo-track {
    gap: 10px;
    padding-inline: 16px;
  }

  .demo-card,
  .demo-card-wide {
    width: 84vw;
    height: 112vw;
    min-height: 400px;
    max-height: 510px;
  }

  .demo-label {
    display: block;
  }

  .demo-label p {
    margin-top: 9px;
    text-align: left;
  }

  .demo-note {
    line-height: 1.6;
  }

  .video-modal {
    padding: 12px;
  }

  .video-modal-panel {
    width: calc(100vw - 24px);
    padding: 12px;
  }

  .video-modal-header {
    min-height: 58px;
    padding-bottom: 12px;
  }

  .video-modal-header h2 {
    font-size: 24px;
  }

  .video-modal-close > span {
    display: none;
  }

  .video-modal-close {
    padding: 7px;
    border: 0;
  }

  .video-modal-hint {
    font-size: 11px;
  }

  .capability-map {
    overflow-x: auto;
  }

  .map-axis,
  .map-track {
    min-width: 720px;
  }

  .task-flow {
    gap: 38px;
    margin-top: 64px;
  }

  .flow-steps li {
    grid-template-columns: 38px 1fr auto;
  }

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

  .scene-card {
    min-height: 340px;
  }

  .scene-icon {
    margin-top: 42px;
  }

  .final-cta {
    min-height: 620px;
  }

  .final-content h2 br {
    display: none;
  }

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

  .footer-meta {
    justify-content: space-between;
  }
}

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

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

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