:root {
  --black: #020407;
  --black-2: #060c12;
  --panel: rgba(7, 16, 25, 0.78);
  --panel-solid: #071019;
  --white: #f3f7f9;
  --ice: #c9f0f8;
  --muted: #8998a5;
  --muted-2: #52616e;
  --cyan: #17c6df;
  --blue: #7dc9ff;
  --line: rgba(151, 190, 207, 0.18);
  --font-cn: "HarmonyOS Sans SC", "Microsoft YaHei UI", "PingFang SC", system-ui, sans-serif;
  --font-en: "Arial Narrow", "DIN Alternate", "Segoe UI", sans-serif;
  --shell: min(1760px, calc(100vw - 120px));
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 75% 8%, rgba(22, 103, 156, 0.11), transparent 25%),
    radial-gradient(circle at 16% 48%, rgba(14, 55, 75, 0.08), transparent 24%),
    var(--black);
  font-family: var(--font-cn);
  -webkit-font-smoothing: antialiased;
}

button,
a {
  font: inherit;
}

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

button {
  color: inherit;
}

::selection {
  color: var(--black);
  background: var(--ice);
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 100;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
}

.cursor-glow {
  position: fixed;
  z-index: 0;
  width: 480px;
  aspect-ratio: 1;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.11;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(74, 185, 255, 0.26), transparent 66%);
  filter: blur(12px);
}

.section-shell {
  position: relative;
  width: var(--shell);
  margin: 0 auto;
}

.section-space {
  padding-top: 170px;
  padding-bottom: 170px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  min-height: 88px;
  padding: 0 60px;
  border-bottom: 1px solid transparent;
  transition: background 0.5s ease, border-color 0.5s ease, min-height 0.5s ease;
}

.site-header.scrolled {
  min-height: 70px;
  border-color: var(--line);
  background: rgba(2, 4, 7, 0.82);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
  gap: 18px;
  color: var(--white);
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 300;
  letter-spacing: 0.44em;
  white-space: nowrap;
}

.brand-mark {
  width: 72px;
  overflow: visible;
}

.brand-mark path {
  fill: none;
  stroke: var(--white);
  stroke-width: 1.4;
  opacity: 0.82;
}

.brand-mark .brand-arrow {
  fill: var(--white);
  stroke: none;
}

.brand-mark text {
  fill: var(--white);
  font-family: var(--font-en);
  font-size: 12px;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 42px;
}

.desktop-nav a {
  position: relative;
  color: #aab4bd;
  font-size: 14px;
  letter-spacing: 0.12em;
  transition: color 0.25s ease;
}

.desktop-nav a::after {
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 0;
  height: 1px;
  content: "";
  background: var(--cyan);
  transition: width 0.3s ease;
}

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

.desktop-nav a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 26px;
}

.text-button {
  padding: 0;
  border: 0;
  color: var(--muted);
  background: none;
  cursor: pointer;
  font-size: 12px;
  letter-spacing: 0.12em;
}

.text-button:hover {
  color: var(--white);
}

.outline-button,
.primary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(145, 205, 243, 0.55);
  cursor: pointer;
}

.outline-button {
  border-radius: 8px;
  background: rgba(13, 43, 64, 0.26);
  box-shadow: 0 0 30px rgba(83, 164, 227, 0.12), inset 0 0 20px rgba(101, 193, 255, 0.05);
}

.outline-button.small {
  min-width: 126px;
  height: 42px;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.menu-button {
  display: none;
  width: 38px;
  height: 38px;
  border: 0;
  background: none;
}

.menu-button span {
  display: block;
  width: 22px;
  height: 1px;
  margin: 6px auto;
  background: var(--white);
  transition: transform 0.3s ease;
}

.mobile-menu {
  display: none;
}

.boot-screen {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #000;
  transition: opacity 1.1s ease, visibility 1.1s ease;
}

.boot-screen.hidden {
  visibility: hidden;
  opacity: 0;
}

.boot-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.boot-chrome {
  position: absolute;
  right: 40px;
  bottom: 28px;
  left: 40px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.28em;
}

.boot-progress {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.04);
}

.boot-progress i {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--blue), white);
  box-shadow: 0 0 20px var(--blue);
}

.hero {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  align-items: center;
  min-height: 100vh;
  padding-top: 118px;
  padding-bottom: 104px;
}

.hero-field {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.68;
}

.hero-copy {
  position: relative;
  z-index: 3;
  padding-left: 1.8vw;
}

.eyebrow,
.section-index,
.mini-label,
.panel-label {
  color: #8e9daa;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.eyebrow span {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-right: 15px;
  color: var(--cyan);
}

.eyebrow span::after {
  display: inline-block;
  width: 48px;
  height: 1px;
  content: "";
  background: var(--cyan);
}

.hero h1 {
  max-width: 850px;
  margin: 38px 0 34px;
  font-size: clamp(44px, 4.45vw, 82px);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.045em;
}

.hero h1 em {
  color: transparent;
  background: linear-gradient(100deg, var(--white), #c5e5f5 52%, #68b9eb);
  background-clip: text;
  font-style: normal;
}

.hero-copy > p {
  max-width: 680px;
  margin: 0;
  color: #9da8b1;
  font-size: 17px;
  font-weight: 300;
  line-height: 2;
}

.hero-actions {
  display: flex;
  gap: 20px;
  margin-top: 42px;
}

.primary-button {
  min-width: 210px;
  height: 60px;
  gap: 34px;
  border-color: #9ad6fa;
  border-radius: 7px;
  color: #061018;
  background: linear-gradient(105deg, #a6d9f7, #e6f6ff 48%, #88c9f5);
  box-shadow: 0 0 38px rgba(94, 190, 255, 0.24);
  font-size: 15px;
  letter-spacing: 0.08em;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.primary-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 55px rgba(94, 190, 255, 0.38);
}

.primary-button b {
  font-size: 21px;
  font-weight: 400;
}

.ghost-button {
  min-width: 210px;
  height: 60px;
  gap: 14px;
  border-color: var(--line);
  border-radius: 7px;
  color: #a6b2bc;
  background: rgba(8, 16, 24, 0.22);
  font-size: 14px;
}

.ghost-button i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 15px var(--cyan);
}

.frame-stage {
  position: relative;
  z-index: 2;
  min-height: 620px;
  perspective: 1000px;
}

.stage-aura {
  position: absolute;
  top: 15%;
  left: 12%;
  width: 88%;
  height: 62%;
  background: radial-gradient(ellipse, rgba(43, 140, 211, 0.25), rgba(3, 11, 18, 0.01) 68%);
  filter: blur(30px);
  animation: breathe 6s ease-in-out infinite;
}

.frame-corner {
  position: absolute;
  top: 23%;
  left: 20%;
  width: 72%;
  height: 46%;
  border-top: 3px solid #9addff;
  border-left: 3px solid #9addff;
  border-top-left-radius: 12px;
  filter: drop-shadow(0 0 8px #69c3ff) drop-shadow(0 0 24px rgba(31, 130, 210, 0.7));
}

.frame-corner::after {
  position: absolute;
  top: -3px;
  right: -2%;
  width: 46%;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, #9addff, transparent);
}

.frame-line {
  position: absolute;
  top: 69%;
  right: 0;
  left: 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #7ed2ff 15%, #d9f5ff 54%, #8ad5ff 75%, transparent);
  box-shadow: 0 0 8px #4ab8f9, 0 0 30px rgba(44, 147, 214, 0.6);
}

.line-pulse {
  position: absolute;
  top: -1px;
  left: 0;
  width: 90px;
  height: 4px;
  background: linear-gradient(90deg, transparent, #fff, transparent);
  animation: lineScan 4s linear infinite;
}

.frame-arrow {
  position: absolute;
  top: -50px;
  left: 52%;
  color: white;
  font-family: var(--font-en);
  font-size: 68px;
  font-weight: 200;
  text-shadow: 0 0 12px #8bd8ff, 0 0 36px #239ee9;
}

.frame-arrow::before {
  position: absolute;
  top: 40px;
  left: -16px;
  width: 34px;
  height: 34px;
  content: "";
  border: solid #fff;
  border-width: 0 4px 4px 0;
  transform: rotate(-45deg);
}

.tick {
  position: absolute;
  top: -9px;
  width: 2px;
  height: 18px;
  background: #dff7ff;
  box-shadow: 0 0 8px #5cc5ff;
}

.tick.t1 { left: 66%; }
.tick.t2 { left: 75%; }
.tick.t3 { left: 84%; }
.tick.t4 { left: 93%; }

.project-orb {
  position: absolute;
  top: 31%;
  left: 45%;
  display: grid;
  place-items: center;
  width: 156px;
  aspect-ratio: 1;
  border: 1px solid rgba(155, 219, 255, 0.52);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, #0c1d29, #020508 72%);
  box-shadow: 0 0 22px rgba(103, 197, 255, 0.34), 0 0 80px rgba(30, 119, 188, 0.18);
}

.project-orb strong {
  margin-top: -20px;
  font-family: var(--font-en);
  font-size: 42px;
  font-weight: 300;
}

.project-orb small {
  position: absolute;
  bottom: 36px;
  color: var(--muted);
  font-size: 8px;
  line-height: 1.5;
  letter-spacing: 0.2em;
  text-align: center;
}

.orb-ring {
  position: absolute;
  border: 1px solid rgba(89, 179, 237, 0.18);
  border-radius: 50%;
}

.orb-ring.r1 {
  inset: -26px;
  animation: spin 10s linear infinite;
}

.orb-ring.r1::before {
  position: absolute;
  top: 11%;
  left: 8%;
  width: 5px;
  height: 5px;
  content: "";
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.orb-ring.r2 {
  inset: -54px;
  border-style: dashed;
  animation: spin 18s linear infinite reverse;
}

.stage-readout {
  position: absolute;
  color: #68808f;
  font-family: var(--font-en);
  font-size: 8px;
  letter-spacing: 0.26em;
}

.top-readout { top: 13%; right: 6%; }
.bottom-readout { right: 6%; bottom: 20%; }
.bottom-readout span { color: var(--cyan); }

.hero-status {
  position: absolute;
  right: 0;
  bottom: 20px;
  left: 0;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-status > div {
  display: flex;
  justify-content: space-between;
  padding: 14px 22px;
  border-right: 1px solid var(--line);
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.13em;
}

.hero-status > div:last-child { border-right: 0; }
.hero-status span { color: var(--muted-2); }
.hero-status strong { color: #aab9c4; font-weight: 400; }

.live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: blink 1.4s ease-in-out infinite;
}

.ecosystem-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.5fr repeat(8, 1fr);
  align-items: center;
  min-height: 108px;
  padding: 0 60px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(3, 8, 13, 0.7);
  color: #606e78;
  font-family: var(--font-en);
}

.ecosystem-strip span {
  font-size: 9px;
  letter-spacing: 0.22em;
}

.ecosystem-strip div {
  opacity: 0.5;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.04em;
  text-align: center;
  transition: opacity 0.25s ease;
}

.ecosystem-strip div:hover { opacity: 1; }

.manifesto {
  border-bottom: 1px solid var(--line);
}

.manifesto-grid {
  display: grid;
  grid-template-columns: 1.55fr 0.45fr;
  gap: 10vw;
  align-items: end;
  margin-top: 90px;
}

.manifesto h2,
.section-heading h2,
.terminal h2,
.service-creed > h2,
.closing h2 {
  margin: 0;
  font-size: clamp(42px, 4.3vw, 78px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.045em;
}

.manifesto h2 span {
  color: var(--ice);
}

.manifesto-copy p {
  color: #acb6be;
  font-size: 20px;
  font-weight: 300;
  line-height: 1.8;
}

.manifesto-copy .line-copy {
  margin-top: 38px;
  padding-top: 24px;
  border-top: 1px solid var(--cyan);
  color: #7f909c;
  font-size: 14px;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 10vw;
  align-items: end;
  margin-bottom: 84px;
}

.section-heading h2 {
  margin-top: 30px;
  font-size: clamp(40px, 3.55vw, 64px);
}

.section-heading > p {
  margin: 0;
  padding-left: 28px;
  border-left: 1px solid var(--cyan);
  color: #8f9da8;
  font-size: 15px;
  line-height: 2;
}

.platform-console {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  min-height: 690px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(rgba(23, 198, 223, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 198, 223, 0.025) 1px, transparent 1px),
    rgba(4, 10, 16, 0.78);
  background-size: 46px 46px;
  box-shadow: inset 0 0 70px rgba(28, 111, 164, 0.05);
}

.console-topbar {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  height: 52px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
  color: #647682;
  font-family: var(--font-en);
  font-size: 9px;
  line-height: 52px;
  letter-spacing: 0.18em;
}

.system-map {
  position: relative;
  min-height: 690px;
}

.map-radar {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 590px;
  aspect-ratio: 1;
  border: 1px solid rgba(120, 190, 220, 0.09);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.map-radar::before,
.map-radar::after,
.map-radar span {
  position: absolute;
  inset: 13%;
  content: "";
  border: 1px solid rgba(120, 190, 220, 0.08);
  border-radius: 50%;
}

.map-radar::after { inset: 27%; }
.map-radar span:nth-child(1) { inset: 40%; }
.map-radar span:nth-child(2) {
  top: 50%;
  right: 0;
  bottom: auto;
  left: 0;
  border: 0;
  border-top: 1px solid rgba(120, 190, 220, 0.07);
  border-radius: 0;
}
.map-radar span:nth-child(3) {
  top: 0;
  right: auto;
  bottom: 0;
  left: 50%;
  border: 0;
  border-left: 1px solid rgba(120, 190, 220, 0.07);
  border-radius: 0;
}

.map-core {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 196px;
  aspect-ratio: 1;
  border: 1px solid rgba(126, 203, 246, 0.55);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 42%, #102433, #03070b 72%);
  box-shadow: 0 0 45px rgba(34, 147, 219, 0.19), inset 0 0 45px rgba(36, 142, 206, 0.08);
  transform: translate(-50%, -50%);
}

.core-halo {
  position: absolute;
  inset: -19px;
  border: 1px dashed rgba(60, 170, 230, 0.28);
  border-radius: 50%;
  animation: spin 20s linear infinite;
}

.map-core strong {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 300;
  letter-spacing: 0.1em;
}

.map-core span {
  margin-top: 8px;
  color: var(--cyan);
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.2em;
}

.map-core small {
  margin-top: 22px;
  color: #647682;
  font-size: 9px;
  letter-spacing: 0.14em;
}

.map-node {
  position: absolute;
  z-index: 3;
  display: grid;
  grid-template-columns: 30px 1fr;
  grid-template-rows: auto auto;
  min-width: 202px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--white);
  background: rgba(5, 12, 18, 0.84);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.map-node:hover,
.map-node.active {
  border-color: rgba(90, 199, 255, 0.68);
  background: rgba(10, 29, 42, 0.9);
  transform: translateY(-2px);
}

.map-node b {
  grid-row: 1 / 3;
  color: var(--cyan);
  font-family: var(--font-en);
  font-size: 10px;
}

.map-node span { font-size: 13px; }
.map-node small { margin-top: 7px; color: #667581; font-size: 9px; }
.node-a { top: 18%; left: 8%; }
.node-b { top: 18%; right: 8%; }
.node-c { bottom: 16%; right: 8%; }
.node-d { bottom: 16%; left: 8%; }

.project-panel {
  position: relative;
  z-index: 4;
  padding: 90px 32px 32px;
  border-left: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 22, 32, 0.92), rgba(3, 8, 12, 0.95));
}

.project-panel h3 {
  margin: 24px 0 12px;
  font-size: 32px;
  font-weight: 400;
}

.project-panel > p {
  min-height: 92px;
  color: #82919c;
  font-size: 13px;
  line-height: 1.9;
}

.metric {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  margin-top: 28px;
  color: #8896a1;
  font-size: 11px;
}

.metric strong {
  color: var(--ice);
  font-family: var(--font-en);
  font-weight: 400;
}

.metric i {
  grid-column: 1 / 3;
  display: block;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
}

.metric i::after {
  display: block;
  width: var(--value);
  height: 100%;
  content: "";
  background: linear-gradient(90deg, #096d80, var(--cyan));
  box-shadow: 0 0 9px rgba(23, 198, 223, 0.6);
}

.decision-card {
  position: absolute;
  right: 24px;
  bottom: 24px;
  left: 24px;
  padding: 22px;
  border: 1px solid rgba(23, 198, 223, 0.3);
  background: rgba(12, 39, 51, 0.28);
}

.decision-card small { color: var(--cyan); font-size: 9px; letter-spacing: 0.15em; }
.decision-card p { color: #b5c1c9; font-size: 12px; line-height: 1.6; }
.decision-card button { padding: 0; border: 0; color: #8cbcd5; background: none; cursor: pointer; font-size: 11px; }

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

.line-switch {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  width: 100%;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.line-switch button {
  position: relative;
  display: flex;
  gap: 22px;
  align-items: center;
  padding: 22px 8px;
  border: 0;
  color: #6e7d88;
  background: none;
  cursor: pointer;
  font-size: 16px;
  text-align: left;
}

.line-switch button span {
  color: #3c4f5c;
  font-family: var(--font-en);
  font-size: 10px;
}

.line-switch button::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.line-switch button.active { color: var(--white); }
.line-switch button.active span { color: var(--cyan); }
.line-switch button.active::after { transform: scaleX(1); }

.production-visual {
  position: relative;
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  min-height: 650px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #03070b;
}

.production-visual::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.48;
  background:
    radial-gradient(circle at 72% 43%, rgba(51, 148, 208, 0.22), transparent 28%),
    linear-gradient(90deg, rgba(2, 6, 10, 0.95) 31%, transparent 74%),
    repeating-linear-gradient(165deg, transparent 0 64px, rgba(115, 185, 220, 0.045) 65px 66px);
  transition: background 0.5s ease;
}

.production-visual[data-active-line="autonomous"]::before {
  background:
    radial-gradient(circle at 72% 43%, rgba(23, 198, 223, 0.2), transparent 31%),
    linear-gradient(90deg, rgba(2, 6, 10, 0.95) 31%, transparent 74%),
    repeating-radial-gradient(circle at 72% 43%, transparent 0 54px, rgba(83, 196, 218, 0.055) 55px 56px);
}

.production-copy {
  position: relative;
  z-index: 2;
  min-height: 650px;
  padding: 82px 52px;
  border-right: 1px solid var(--line);
}

.line-content { display: none; }
.line-content.active { display: block; animation: contentIn 0.5s ease both; }
.line-content h3 { margin: 28px 0; font-size: clamp(38px, 3.2vw, 58px); font-weight: 300; line-height: 1.2; letter-spacing: -0.04em; }
.line-content p { max-width: 480px; color: #8997a2; font-size: 15px; line-height: 2; }

.production-steps {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
  padding: 80px 48px;
}

.production-steps::before {
  position: absolute;
  top: 50%;
  right: 9%;
  left: 9%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, #2d8ca5, #86d9f5, #2d8ca5, transparent);
}

.production-steps article {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 240px;
  padding: 22px 10px;
  text-align: center;
}

.production-steps article::before {
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  margin: 46px 0 28px;
  border: 1px solid rgba(99, 185, 226, 0.45);
  border-radius: 50%;
  content: "";
  background: #050b10;
  box-shadow: 0 0 25px rgba(30, 140, 192, 0.11);
}

.production-steps article span {
  position: absolute;
  top: 91px;
  color: var(--cyan);
  font-family: var(--font-en);
  font-size: 11px;
}

.production-steps article b { font-size: 13px; font-weight: 500; }
.production-steps article small { max-width: 126px; margin-top: 9px; color: #596873; font-size: 9px; line-height: 1.7; }

.terminal {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(140deg, #030609, #07121b 56%, #020407);
}

.terminal::after {
  position: absolute;
  top: 18%;
  right: 4%;
  width: 700px;
  aspect-ratio: 1;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, rgba(71, 161, 218, 0.13), transparent 68%);
  pointer-events: none;
}

.terminal-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 8vw;
  align-items: center;
}

.terminal h2 {
  margin-top: 30px;
  font-size: clamp(42px, 3.8vw, 66px);
}

.terminal-copy > p {
  max-width: 600px;
  margin: 34px 0 46px;
  color: #8b9aa5;
  font-size: 16px;
  line-height: 2;
}

.role-list {
  max-width: 620px;
  border-top: 1px solid var(--line);
}

.role-list button {
  display: grid;
  grid-template-columns: 120px 1fr;
  width: 100%;
  padding: 18px 4px;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: #6c7a85;
  background: none;
  cursor: pointer;
  text-align: left;
  transition: color 0.25s ease, padding-left 0.25s ease;
}

.role-list button.active,
.role-list button:hover { padding-left: 12px; color: var(--white); }
.role-list button.active span { color: var(--cyan); }
.role-list small { font-size: 10px; letter-spacing: 0.08em; }

.device-wrap {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  min-height: 700px;
}

.device-aura {
  position: absolute;
  width: 76%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(67, 162, 226, 0.26), transparent 68%);
  filter: blur(16px);
}

.device {
  position: relative;
  z-index: 2;
  width: min(580px, 88%);
  aspect-ratio: 1.45;
  padding: 11px;
  border: 1px solid #7b8d99;
  border-radius: 26px;
  background: linear-gradient(135deg, #1b252d, #030405 50%, #34434d);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.7), 0 0 50px rgba(62, 158, 218, 0.15), inset 0 0 0 1px #000;
  transform: perspective(1100px) rotateY(-8deg) rotateX(3deg);
}

.device-camera {
  position: absolute;
  top: 50%;
  left: 5px;
  z-index: 5;
  width: 4px;
  height: 32px;
  border-radius: 4px;
  background: #111b22;
  transform: translateY(-50%);
}

.device-screen {
  position: relative;
  height: 100%;
  overflow: hidden;
  padding: 24px;
  border: 1px solid rgba(128, 196, 233, 0.26);
  border-radius: 18px;
  background:
    linear-gradient(rgba(23, 198, 223, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 198, 223, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 72% 36%, rgba(35, 124, 179, 0.2), transparent 34%),
    #050b10;
  background-size: 24px 24px, 24px 24px, auto, auto;
}

.device-screen::after {
  position: absolute;
  top: -30%;
  left: -65%;
  width: 60%;
  height: 170%;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(195, 236, 255, 0.06), transparent);
  transform: rotate(18deg);
  animation: screenSheen 7s ease-in-out infinite;
}

.device-top {
  display: flex;
  justify-content: space-between;
  color: #788996;
  font-family: var(--font-en);
  font-size: 8px;
  letter-spacing: 0.2em;
}

.device-greeting { margin: 30px 0 22px; }
.device-greeting small { display: block; color: var(--cyan); font-size: 7px; letter-spacing: 0.18em; }
.device-greeting strong { display: block; margin-top: 8px; font-size: 24px; font-weight: 300; }
.device-project { padding: 14px; border: 1px solid var(--line); background: rgba(9, 23, 32, 0.6); }
.device-project > div { display: flex; justify-content: space-between; color: #9fadb7; font-size: 9px; }
.device-project b { color: var(--ice); font-family: var(--font-en); font-size: 14px; font-weight: 400; }
.device-project > i { display: block; height: 2px; margin: 12px 0; background: rgba(255,255,255,.08); }
.device-project > i em { display: block; width: 68%; height: 100%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.device-project p { margin: 0; color: #667580; font-size: 8px; }

.voice-wave {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 72px;
}

.voice-wave i {
  width: 2px;
  height: 12px;
  border-radius: 4px;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(23, 198, 223, 0.7);
  animation: wave 1.2s ease-in-out infinite;
}

.voice-wave i:nth-child(2), .voice-wave i:nth-child(8) { animation-delay: -0.2s; }
.voice-wave i:nth-child(3), .voice-wave i:nth-child(7) { animation-delay: -0.4s; }
.voice-wave i:nth-child(4), .voice-wave i:nth-child(6) { animation-delay: -0.6s; }
.voice-wave i:nth-child(5) { animation-delay: -0.8s; }
.voice-text { min-height: 34px; color: #bfd0da; font-size: 10px; line-height: 1.6; text-align: center; }
.device-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 14px; }
.device-actions button { padding: 9px; border: 1px solid var(--line); color: #738692; background: rgba(8, 19, 27, 0.7); font-size: 8px; }

.group {
  border-bottom: 1px solid var(--line);
}

.group-lockup {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 430px;
  max-width: 100%;
  height: 86px;
  margin: 0 auto 72px;
  border: 1px solid rgba(171, 215, 235, 0.48);
  color: var(--white);
  font-size: 22px;
}

.group-lockup i { width: 1px; height: 28px; margin: 0 25px; background: #61727d; }
.group-lockup b { font-family: var(--font-en); font-size: 16px; letter-spacing: 0.12em; }

.company-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.company-card {
  position: relative;
  min-height: 290px;
  padding: 30px 24px;
  overflow: hidden;
  border-right: 1px solid var(--line);
  background: rgba(5, 10, 15, 0.35);
  transition: background 0.35s ease, transform 0.35s ease;
}

.company-card:last-child { border-right: 0; }
.company-card:hover { z-index: 2; background: #0a1923; transform: translateY(-8px); }
.company-card > span { color: var(--cyan); font-family: var(--font-en); font-size: 10px; }
.company-card h3 { margin: 76px 0 10px; font-family: var(--font-en); font-size: 20px; letter-spacing: 0.04em; }
.company-card p { margin: 0; color: #a9b4bc; font-size: 13px; }
.company-card small { display: block; margin-top: 18px; color: #53626c; font-size: 9px; line-height: 1.7; }
.company-card > i { position: absolute; right: -40px; bottom: -45px; width: 120px; aspect-ratio: 1; border: 1px solid rgba(23, 198, 223, 0.16); border-radius: 50%; transition: transform .5s ease; }
.company-card:hover > i { transform: scale(1.5); }

.service-creed > h2 {
  margin-top: 32px;
  font-size: clamp(48px, 4.6vw, 82px);
}

.creed-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 90px;
  border-top: 1px solid var(--line);
}

.creed-grid article {
  min-height: 260px;
  padding: 32px 34px;
  border-right: 1px solid var(--line);
}

.creed-grid article:last-child { border-right: 0; }
.creed-grid span { color: var(--cyan); font-family: var(--font-en); font-size: 10px; }
.creed-grid h3 { margin: 55px 0 20px; font-size: 28px; font-weight: 400; }
.creed-grid p { max-width: 250px; color: #75838e; font-size: 13px; line-height: 1.9; }

.closing {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 92vh;
  overflow: hidden;
  border-top: 1px solid var(--line);
  background: #000;
}

.black-hole {
  position: absolute;
  top: 50%;
  left: 68%;
  width: min(55vw, 840px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, #000 0 42%, #09121a 47%, #9edcff 48%, #1d4b67 49%, rgba(25, 90, 134, 0.12) 56%, transparent 70%);
  filter: drop-shadow(0 0 45px rgba(87, 187, 245, 0.22));
  transform: translate(-50%, -50%);
}

.black-hole i {
  position: absolute;
  inset: 7%;
  border: 1px solid rgba(130, 211, 255, 0.12);
  border-radius: 48% 52% 46% 54%;
  animation: spin 14s linear infinite;
}

.black-hole i:nth-child(2) { inset: 1%; animation-duration: 25s; animation-direction: reverse; }
.black-hole i:nth-child(3) { inset: -7%; animation-duration: 32s; }

.closing-copy {
  position: relative;
  z-index: 3;
  width: var(--shell);
  padding-left: 6vw;
}

.closing-copy p {
  margin: 48px 0 10px;
  color: var(--ice);
  font-size: 34px;
  font-weight: 300;
}

.closing h2 {
  margin-bottom: 58px;
  font-size: clamp(60px, 6vw, 112px);
}

.closing-brand {
  position: absolute;
  right: 60px;
  bottom: 42px;
  left: 60px;
  display: flex;
  align-items: center;
  gap: 28px;
  color: #74838d;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.38em;
}

.closing-brand small { color: #3f4b53; font-size: 7px; letter-spacing: 0.18em; }

footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  min-height: 92px;
  padding: 0 60px;
  border-top: 1px solid var(--line);
  color: #4c5962;
  font-family: var(--font-en);
  font-size: 9px;
  line-height: 92px;
  letter-spacing: 0.18em;
}

footer div:nth-child(2) { text-align: center; }
footer a { text-align: right; }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(.16,1,.3,1);
}

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

@keyframes breathe {
  0%, 100% { opacity: 0.5; transform: scale(0.94); }
  50% { opacity: 1; transform: scale(1.08); }
}

@keyframes lineScan {
  from { left: 0; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  to { left: calc(100% - 90px); opacity: 0; }
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes blink { 0%,100% { opacity: .35; } 50% { opacity: 1; } }
@keyframes contentIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes wave { 0%,100% { height: 10px; opacity: .45; } 50% { height: 34px; opacity: 1; } }
@keyframes screenSheen { 0%,20% { left: -65%; } 55%,100% { left: 125%; } }

@media (max-width: 1320px) {
  :root { --shell: min(1180px, calc(100vw - 64px)); }
  .site-header { padding: 0 32px; }
  .brand { font-size: 20px; }
  .desktop-nav { gap: 28px; }
  .replay-button { display: none; }
  .frame-stage { min-height: 520px; }
  .project-orb { width: 132px; }
  .platform-console { grid-template-columns: minmax(0, 1fr) 320px; }
  .company-card { padding: 26px 17px; }
  .company-card h3 { font-size: 17px; }
}

@media (max-width: 1024px) {
  :root { --shell: calc(100vw - 48px); }
  .desktop-nav, .outline-button.small { display: none; }
  .site-header { grid-template-columns: 1fr auto; }
  .menu-button { display: block; }
  .mobile-menu {
    position: fixed;
    z-index: 70;
    inset: 70px 0 auto;
    display: flex;
    visibility: hidden;
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--line);
    opacity: 0;
    background: rgba(2,4,7,.96);
    backdrop-filter: blur(20px);
    transform: translateY(-16px);
    transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
  }
  .mobile-menu.open { visibility: visible; opacity: 1; transform: translateY(0); }
  .mobile-menu a { padding: 16px; border-bottom: 1px solid var(--line); color: #a5b1ba; }
  .hero { grid-template-columns: 1fr; padding-top: 150px; min-height: auto; }
  .hero-copy { padding-left: 0; }
  .hero-copy > p { max-width: 760px; }
  .frame-stage { min-height: 540px; margin-top: 20px; }
  .hero-status { position: relative; bottom: auto; grid-template-columns: 1fr 1fr; grid-column: 1; margin-top: 10px; }
  .manifesto-grid, .section-heading, .terminal-grid { grid-template-columns: 1fr; gap: 55px; }
  .manifesto-copy { max-width: 620px; }
  .section-heading > p { max-width: 620px; }
  .platform-console { grid-template-columns: 1fr; }
  .project-panel { min-height: 470px; border-top: 1px solid var(--line); border-left: 0; }
  .system-map { min-height: 630px; }
  .production-visual { grid-template-columns: 1fr; }
  .production-copy { min-height: 400px; border-right: 0; border-bottom: 1px solid var(--line); }
  .production-steps { min-height: 360px; padding: 30px; }
  .company-grid { grid-template-columns: repeat(3, 1fr); }
  .company-card:nth-child(3) { border-right: 0; }
  .company-card:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .creed-grid { grid-template-columns: repeat(2, 1fr); }
  .creed-grid article:nth-child(2) { border-right: 0; }
  .creed-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .black-hole { left: 72%; width: 76vw; opacity: .7; }
}

@media (max-width: 700px) {
  :root { --shell: calc(100vw - 32px); }
  .section-space { padding-top: 110px; padding-bottom: 110px; }
  .site-header {
    min-height: calc(68px + env(safe-area-inset-top));
    padding: env(safe-area-inset-top) max(16px, env(safe-area-inset-right)) 0 max(16px, env(safe-area-inset-left));
  }
  .mobile-menu { top: calc(68px + env(safe-area-inset-top)); padding-right: max(24px, env(safe-area-inset-right)); padding-left: max(24px, env(safe-area-inset-left)); }
  .brand { gap: 10px; font-size: 15px; letter-spacing: .3em; }
  .brand-mark { width: 54px; }
  .hero { padding-top: 118px; padding-bottom: 56px; }
  .eyebrow { max-width: 320px; line-height: 1.7; }
  .eyebrow span::after { width: 25px; }
  .hero h1 { margin-top: 30px; font-size: 42px; line-height: 1.22; }
  .hero-copy > p { font-size: 14px; line-height: 1.9; }
  .hero-actions { flex-direction: column; }
  .primary-button, .ghost-button { width: 100%; min-width: 0; }
  .frame-stage { min-height: 420px; }
  .frame-corner { top: 26%; left: 10%; width: 84%; height: 40%; }
  .frame-line { top: 66%; left: 0; }
  .project-orb { top: 33%; left: 42%; width: 112px; }
  .orb-ring.r2 { inset: -34px; }
  .frame-arrow { left: 48%; font-size: 56px; }
  .hero-status { grid-template-columns: 1fr; }
  .hero-status > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .ecosystem-strip { grid-template-columns: repeat(4, 1fr); gap: 24px 10px; padding: 28px 16px; }
  .ecosystem-strip span { grid-column: 1 / 5; text-align: center; }
  .ecosystem-strip div { font-size: 13px; }
  .manifesto-grid { margin-top: 50px; }
  .manifesto h2, .section-heading h2, .terminal h2, .service-creed > h2 { font-size: 38px; }
  .manifesto-copy p { font-size: 16px; }
  .section-heading { margin-bottom: 52px; }
  .map-radar { width: 390px; }
  .system-map { min-height: 680px; }
  .map-core { width: 150px; }
  .map-node { min-width: 155px; padding: 13px 10px; }
  .map-node small { max-width: 112px; }
  .node-a { top: 12%; left: 4%; }
  .node-b { top: 12%; right: 4%; }
  .node-c { right: 4%; bottom: 11%; }
  .node-d { bottom: 11%; left: 4%; }
  .project-panel { padding: 70px 22px 24px; }
  .line-switch button { gap: 10px; font-size: 13px; }
  .production-copy { min-height: 420px; padding: 60px 28px; }
  .line-content h3 { font-size: 38px; }
  .production-steps { grid-template-columns: 1fr; align-items: stretch; padding: 40px 24px; }
  .production-steps::before { top: 5%; bottom: 5%; left: 50%; width: 1px; height: auto; background: linear-gradient(transparent, var(--cyan), transparent); }
  .production-steps article { flex-direction: row; align-items: center; gap: 14px; min-height: 110px; text-align: left; }
  .production-steps article::before { flex: 0 0 54px; width: 54px; height: 54px; margin: 0; }
  .production-steps article span { position: absolute; top: 49px; left: 22px; transform: translateY(-50%); }
  .production-steps article small { margin-top: 0; }
  .role-list button { grid-template-columns: 100px 1fr; }
  .device-wrap { min-height: 470px; }
  .device { width: 100%; border-radius: 18px; transform: none; }
  .device-screen { padding: 18px; border-radius: 12px; }
  .device-greeting { margin: 18px 0 14px; }
  .device-greeting strong { font-size: 18px; }
  .voice-wave { height: 54px; }
  .group-lockup { height: 72px; font-size: 17px; }
  .company-grid { grid-template-columns: 1fr 1fr; }
  .company-card { min-height: 230px; border-bottom: 1px solid var(--line); }
  .company-card:nth-child(2n) { border-right: 0; }
  .company-card h3 { margin-top: 48px; }
  .creed-grid { grid-template-columns: 1fr; }
  .creed-grid article { min-height: 220px; border-right: 0; border-bottom: 1px solid var(--line); }
  .closing { min-height: 82vh; }
  .black-hole { top: 45%; left: 78%; width: 110vw; }
  .closing-copy { padding-left: 0; }
  .closing-copy p { font-size: 24px; }
  .closing h2 { font-size: 54px; }
  .closing-brand { right: 16px; bottom: 26px; left: 16px; flex-direction: column; align-items: flex-start; gap: 8px; }
  footer { grid-template-columns: 1fr; padding: 24px max(16px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); line-height: 2.5; }
  footer div:nth-child(2), footer a { text-align: left; }
  .boot-chrome { right: 18px; bottom: 18px; left: 18px; }
}

@media (hover: none), (pointer: coarse) {
  .cursor-glow { display: none; }
  .company-card:hover { background: rgba(5, 10, 15, 0.35); transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}