:root {
  --midnight: #160f2e;
  --midnight-2: #211642;
  --pearl: #f6f3ed;
  --paper: #fffdf8;
  --amber: #ffb21a;
  --amber-soft: #ffd36e;
  --violet: #9b83ff;
  --ink: #181420;
  --muted: #676170;
  --line: rgba(24, 20, 32, 0.18);
  --light-line: rgba(255, 255, 255, 0.2);
  --display: "Arial Narrow", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --body: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  --max: 1440px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--pearl);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

body.nav-open,
body.dialog-open {
  overflow: hidden;
}

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

button {
  font: inherit;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--midnight);
  background: var(--amber);
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

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

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

.site-header {
  position: absolute;
  z-index: 100;
  top: 0;
  left: 50%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, var(--max));
  height: 86px;
  padding: 0 clamp(24px, 4vw, 68px);
  color: #fff;
  transform: translateX(-50%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: var(--amber);
}

.brand-mark svg {
  width: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.brand-mark svg path:last-child {
  fill: currentColor;
  stroke: none;
}

.brand-name {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 2.8vw, 44px);
  color: var(--midnight);
  font-size: 14px;
  font-weight: 650;
}

.site-nav a {
  position: relative;
  text-decoration: none;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.2s ease;
}

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

.nav-cta {
  padding: 9px 18px;
  color: var(--midnight);
  background: var(--amber);
  border: 1px solid var(--amber);
}

.nav-cta:hover {
  color: var(--midnight);
  background: transparent;
  border-color: var(--midnight);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 1px solid currentColor;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 0.2s ease;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: var(--max);
  min-height: 810px;
  margin: 0 auto;
  background: var(--midnight);
}

.hero-copy {
  display: flex;
  align-items: center;
  min-width: 0;
  padding: 130px clamp(30px, 6vw, 92px) 62px;
  color: #fff;
  background:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px),
    var(--midnight);
  background-size: 56px 56px;
}

.hero-copy-inner {
  width: min(100%, 610px);
  margin-left: auto;
}

.eyebrow,
.section-index {
  margin: 0;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.24em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--amber-soft);
}

.eyebrow span {
  width: 28px;
  height: 2px;
  background: var(--amber);
}

.hero h1 {
  margin: 34px 0 28px;
  font-family: var(--display);
  font-size: clamp(50px, 5.45vw, 84px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.hero h1 em {
  position: relative;
  display: inline;
  color: var(--amber);
  font-style: normal;
}

.hero-intro {
  max-width: 560px;
  margin: 0;
  color: rgba(255,255,255,0.72);
  font-size: 17px;
  line-height: 1.9;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 0;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.button svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  color: var(--midnight);
  background: var(--amber);
  border-color: var(--amber);
}

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

.button-ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}

.button-ghost:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.2);
}

.hero-meta div {
  display: grid;
  gap: 3px;
  padding-right: 10px;
}

.hero-meta div + div {
  padding-left: 16px;
  border-left: 1px solid rgba(255,255,255,0.18);
}

.hero-meta strong {
  font-size: 13px;
}

.hero-meta span {
  color: rgba(255,255,255,0.5);
  font-size: 11px;
}

.hero-visual {
  position: relative;
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  background: var(--pearl);
}

.visual-grid {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, #000 25%, transparent 86%);
}

.amber-block {
  position: absolute;
  top: 0;
  right: 0;
  width: 28%;
  height: 23%;
  background: var(--amber);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
}

.visual-caption {
  position: absolute;
  top: 118px;
  right: clamp(26px, 5vw, 70px);
  left: clamp(26px, 5vw, 70px);
  display: flex;
  justify-content: space-between;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.22em;
}

.system-card {
  position: absolute;
  top: 190px;
  right: clamp(28px, 5.3vw, 78px);
  left: clamp(28px, 5.3vw, 78px);
  height: 460px;
  background: var(--paper);
  border: 1px solid var(--ink);
  box-shadow: 18px 18px 0 var(--midnight);
}

.system-card::before,
.system-card::after {
  content: "";
  position: absolute;
  z-index: 2;
  width: 42px;
  height: 42px;
  background: var(--amber);
}

.system-card::before {
  top: -1px;
  left: -1px;
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.system-card::after {
  right: -1px;
  bottom: -1px;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.system-card-head,
.system-card-foot {
  position: absolute;
  right: 24px;
  left: 24px;
  display: flex;
  align-items: center;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.system-card-head {
  top: 20px;
  justify-content: flex-end;
  gap: 8px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background: #4ec779;
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(78,199,121,0.14);
  animation: pulse 1.8s ease-in-out infinite;
}

.system-card-foot {
  bottom: 18px;
  justify-content: space-between;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.orbit {
  position: absolute;
  inset: 60px 28px 58px;
}

.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(22,15,46,0.32);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-ring-one {
  width: 64%;
  height: 70%;
}

.orbit-ring-two {
  width: 92%;
  height: 92%;
  border-style: dashed;
}

.orbit-axis {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 86%;
  height: 1px;
  background: rgba(22,15,46,0.2);
  transform: translate(-50%,-50%) rotate(-24deg);
}

.orbit-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-content: center;
  width: 134px;
  height: 134px;
  text-align: center;
  color: #fff;
  background: var(--midnight);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 12px rgba(155,131,255,0.14);
}

.orbit-core b {
  font-size: 16px;
}

.orbit-core small {
  color: var(--amber-soft);
  font-size: 10px;
  letter-spacing: 0.15em;
}

.orbit-node {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  color: var(--midnight);
  background: var(--paper);
  border: 1px solid var(--midnight);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
  box-shadow: 5px 5px 0 var(--amber);
}

.node-strategy { top: 5%; left: 19%; }
.node-experience { top: 17%; right: 9%; }
.node-engineering { right: 20%; bottom: 4%; }
.node-growth { bottom: 15%; left: 4%; }

.signal-card {
  position: absolute;
  right: clamp(16px, 3vw, 44px);
  bottom: 54px;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 20px;
  width: 180px;
  padding: 16px;
  color: #fff;
  background: var(--midnight-2);
  border: 1px solid rgba(255,255,255,0.35);
}

.signal-label {
  color: rgba(255,255,255,0.58);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.signal-card strong {
  font-size: 13px;
}

.signal-bars {
  grid-row: 1 / 3;
  grid-column: 2;
  display: flex;
  align-items: end;
  gap: 3px;
  height: 32px;
}

.signal-bars i {
  width: 4px;
  background: var(--amber);
}

.signal-bars i:nth-child(1) { height: 28%; }
.signal-bars i:nth-child(2) { height: 48%; }
.signal-bars i:nth-child(3) { height: 40%; }
.signal-bars i:nth-child(4) { height: 72%; }
.signal-bars i:nth-child(5) { height: 100%; }

.visual-note {
  position: absolute;
  bottom: 48px;
  left: clamp(28px, 5.3vw, 78px);
  width: 210px;
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
}

.ticker {
  max-width: var(--max);
  margin: 0 auto;
  overflow: hidden;
  color: #fff;
  background: var(--amber);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.ticker-track {
  display: flex;
  align-items: center;
  width: max-content;
  min-height: 68px;
  animation: ticker 26s linear infinite;
}

.ticker span {
  padding: 0 32px;
  color: var(--midnight);
  font-family: var(--display);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.ticker i {
  width: 8px;
  height: 8px;
  background: var(--midnight);
  transform: rotate(45deg);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 132px clamp(24px, 6.6vw, 96px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(160px, 0.55fr) 1.45fr;
  gap: 48px;
  align-items: start;
  padding-bottom: 64px;
}

.section-index {
  padding-top: 11px;
  color: var(--muted);
}

.section-heading > div {
  display: grid;
  grid-template-columns: minmax(350px, 1.2fr) minmax(250px, 0.8fr);
  gap: 48px;
  align-items: end;
}

.section h2,
.solutions h2,
.contact h2,
.brief-dialog h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(42px, 4.6vw, 70px);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.section-heading > div > p,
.process-heading > p:last-child {
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 16px;
}

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

.capability-card {
  position: relative;
  min-height: 460px;
  padding: 25px 25px 30px;
  background: var(--paper);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  transition: color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.capability-card:hover {
  z-index: 2;
  color: #fff;
  background: var(--midnight);
  transform: translateY(-8px);
}

.card-number {
  font-family: var(--display);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.capability-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  margin: 48px 0 36px;
  background: var(--amber);
  border: 1px solid var(--ink);
}

.capability-card:hover .capability-icon {
  border-color: var(--amber);
}

.icon-spark,
.icon-frame,
.icon-code,
.icon-loop {
  position: relative;
  display: block;
  width: 36px;
  height: 36px;
}

.icon-spark::before,
.icon-spark::after {
  content: "";
  position: absolute;
  top: 17px;
  left: 1px;
  width: 34px;
  height: 2px;
  background: var(--midnight);
}

.icon-spark::after { transform: rotate(90deg); }
.icon-spark { transform: rotate(45deg); border: 2px solid var(--midnight); }
.icon-frame { border: 2px solid var(--midnight); box-shadow: 8px 8px 0 rgba(22,15,46,0.25); }
.icon-frame::after { content: ""; position: absolute; inset: 8px; border: 2px solid var(--midnight); }
.icon-code::before,
.icon-code::after { content: ""; position: absolute; top: 8px; width: 16px; height: 16px; border-top: 2px solid var(--midnight); border-left: 2px solid var(--midnight); }
.icon-code::before { left: 1px; transform: rotate(-45deg); }
.icon-code::after { right: 1px; transform: rotate(135deg); }
.icon-loop { border: 2px solid var(--midnight); border-radius: 50%; }
.icon-loop::before { content: ""; position: absolute; top: -5px; right: -4px; width: 12px; height: 12px; background: var(--amber); border-top: 2px solid var(--midnight); border-right: 2px solid var(--midnight); transform: rotate(18deg); }

.capability-card h3 {
  margin: 0 0 14px;
  font-size: 21px;
}

.capability-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.capability-card:hover p {
  color: rgba(255,255,255,0.65);
}

.capability-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.capability-card li {
  padding: 4px 8px;
  border: 1px solid currentColor;
  font-size: 10px;
  font-weight: 700;
}

.solutions {
  display: grid;
  grid-template-columns: 42% 58%;
  max-width: var(--max);
  min-height: 820px;
  margin: 0 auto;
  color: #fff;
  background: var(--midnight);
}

.solutions-intro {
  position: relative;
  padding: 120px clamp(28px, 5vw, 80px);
  background:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 58px 58px;
}

.solutions-intro::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 90px;
  height: 90px;
  background: var(--amber);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.section-index-light {
  color: var(--amber-soft);
}

.solutions h2 {
  margin-top: 36px;
  font-size: clamp(42px, 4.2vw, 64px);
}

.solutions-sticky > p:nth-of-type(2) {
  max-width: 470px;
  margin: 30px 0 0;
  color: rgba(255,255,255,0.65);
}

.scene-tabs {
  display: grid;
  margin-top: 70px;
  border-top: 1px solid var(--light-line);
}

.scene-tabs button {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  padding: 18px 8px;
  color: rgba(255,255,255,0.48);
  text-align: left;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--light-line);
  cursor: pointer;
  transition: color 0.2s ease, padding-left 0.2s ease, background 0.2s ease;
}

.scene-tabs button span {
  font-family: var(--display);
  font-size: 10px;
  font-weight: 900;
}

.scene-tabs button[aria-selected="true"] {
  padding-left: 18px;
  color: var(--midnight);
  background: var(--amber);
}

.scene-stage {
  display: grid;
  place-items: center;
  min-width: 0;
  padding: clamp(30px, 5vw, 76px);
  color: var(--ink);
  background: var(--violet);
}

.scene-panel {
  position: relative;
  width: 100%;
  min-height: 650px;
  padding: 28px;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--midnight);
  box-shadow: 16px 16px 0 var(--midnight);
}

.scene-panel.is-changing {
  animation: scene-snap 0.34s ease;
}

.scene-topline {
  display: flex;
  justify-content: space-between;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.scene-copy {
  position: relative;
  z-index: 2;
  width: 72%;
  padding-top: 40px;
}

.scene-copy h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(34px, 3.7vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.scene-copy p {
  max-width: 500px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.scene-art {
  position: absolute;
  right: 28px;
  bottom: 72px;
  left: 28px;
  height: 270px;
  overflow: hidden;
  background: var(--pearl);
  border: 1px solid var(--midnight);
}

.scene-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(22,15,46,0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(22,15,46,0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}

.flow-column {
  position: absolute;
  top: 52px;
  display: grid;
  gap: 16px;
}

.flow-column-one { left: 9%; }
.flow-column-two { right: 9%; top: 70px; }

.flow-column i {
  display: block;
  width: 70px;
  height: 28px;
  background: #fff;
  border: 1px solid var(--midnight);
  box-shadow: 4px 4px 0 var(--violet);
}

.flow-column-two i {
  box-shadow: 4px 4px 0 var(--amber);
}

.flow-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120px;
  height: 120px;
  background: var(--midnight);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.flow-core span,
.flow-core b,
.flow-core i {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  border: 1px solid var(--amber);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.flow-core span { width: 80%; height: 80%; }
.flow-core b { width: 50%; height: 50%; background: var(--amber); }
.flow-core i { width: 14%; height: 14%; background: var(--midnight); }

.flow-path {
  position: absolute;
  top: 50%;
  left: 15%;
  width: 70%;
  height: 1px;
  background: var(--midnight);
}

.scene-art-service .flow-core {
  border-radius: 0;
  transform: translate(-50%, -50%) rotate(45deg);
}

.scene-art-service .flow-core > * {
  border-radius: 0;
}

.scene-art-service .flow-column i {
  border-radius: 50%;
}

.scene-art-data .flow-path {
  top: auto;
  bottom: 48px;
  height: 120px;
  background: transparent;
  border-bottom: 1px solid var(--midnight);
  clip-path: polygon(0 72%, 18% 55%, 34% 66%, 50% 25%, 64% 44%, 82% 8%, 100% 18%, 100% 100%, 0 100%);
  background: var(--violet);
}

.scene-art-data .flow-core {
  width: 82px;
  height: 82px;
  top: 30%;
  left: 73%;
}

.scene-tags {
  position: absolute;
  right: 28px;
  bottom: 25px;
  left: 28px;
  display: flex;
  gap: 8px;
}

.scene-tags span {
  padding: 4px 10px;
  color: var(--midnight);
  background: var(--amber);
  border: 1px solid var(--midnight);
  font-size: 10px;
  font-weight: 800;
}

.process {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(50px, 8vw, 128px);
  padding-top: 140px;
  padding-bottom: 140px;
}

.process-heading h2 {
  margin: 36px 0 26px;
}

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

.process-list li {
  display: grid;
  grid-template-columns: 42px 20px minmax(200px, 1fr) auto;
  gap: 16px;
  align-items: center;
  min-height: 145px;
  border-bottom: 1px solid var(--ink);
}

.process-number {
  color: var(--muted);
  font-size: 10px;
  font-weight: 900;
}

.process-marker {
  width: 12px;
  height: 12px;
  background: var(--amber);
  border: 1px solid var(--midnight);
  transform: rotate(45deg);
  transition: transform 0.22s ease;
}

.process-list li:hover .process-marker {
  transform: rotate(135deg) scale(1.35);
}

.process-list h3 {
  margin: 0 0 6px;
  font-size: 20px;
}

.process-list p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.process-meta {
  padding: 4px 8px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.principle {
  position: relative;
  max-width: var(--max);
  min-height: 700px;
  margin: 0 auto;
  padding: 116px clamp(24px, 7vw, 104px);
  overflow: hidden;
  color: #fff;
  background: var(--midnight-2);
}

.principle::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 58px 58px;
}

.principle blockquote {
  position: relative;
  z-index: 2;
  max-width: 1050px;
  margin: 86px 0 0;
  font-family: var(--display);
  font-size: clamp(54px, 7vw, 104px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.06em;
}

.principle blockquote span {
  color: var(--amber);
}

.principle-note {
  position: absolute;
  right: 7%;
  bottom: 66px;
  z-index: 2;
  max-width: 280px;
  margin: 0;
  color: rgba(255,255,255,0.55);
  font-size: 12px;
}

.principle-shape {
  position: absolute;
  top: 14%;
  right: -4%;
  width: 310px;
  height: 310px;
  border: 1px solid rgba(255,255,255,0.22);
  transform: rotate(45deg);
}

.principle-shape::before {
  content: "";
  position: absolute;
  inset: 54px;
  background: rgba(155,131,255,0.16);
  border: 1px solid var(--violet);
}

.contact {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  max-width: var(--max);
  min-height: 600px;
  margin: 0 auto;
  background: var(--amber);
  border-bottom: 1px solid var(--midnight);
}

.contact-main {
  padding: 110px clamp(28px, 7vw, 100px);
  border-right: 1px solid var(--midnight);
}

.contact h2 {
  margin: 34px 0 24px;
  font-size: clamp(52px, 6vw, 86px);
}

.contact-main > p:nth-of-type(2) {
  max-width: 650px;
  margin: 0;
}

.button-dark {
  margin-top: 36px;
  color: #fff;
  background: var(--midnight);
  border-color: var(--midnight);
}

.button-dark:hover {
  color: var(--midnight);
  background: transparent;
}

.contact-aside {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 6vw, 88px);
  background: rgba(255,255,255,0.13);
}

.contact-aside > p:first-child {
  margin: 0 0 34px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.contact-aside ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--midnight);
}

.contact-aside li {
  display: flex;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--midnight);
  font-weight: 750;
}

.contact-aside li span {
  padding-top: 3px;
  font-size: 9px;
  font-weight: 900;
}

.contact-tip {
  margin: 30px 0 0;
  font-size: 12px;
  opacity: 0.7;
}

.brief-dialog {
  width: min(620px, calc(100% - 32px));
  max-height: calc(100vh - 32px);
  padding: clamp(28px, 5vw, 54px);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--midnight);
  box-shadow: 18px 18px 0 var(--amber);
}

.brief-dialog::backdrop {
  background: rgba(10, 6, 23, 0.8);
  backdrop-filter: blur(5px);
}

.brief-dialog h2 {
  margin: 14px 40px 18px 0;
  font-size: clamp(34px, 6vw, 54px);
}

.brief-dialog > p:nth-of-type(2) {
  color: var(--muted);
}

.brief-dialog ol {
  margin: 30px 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.brief-dialog li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.brief-dialog li > span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 900;
}

.brief-dialog strong {
  font-size: 16px;
}

.brief-dialog li p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.dialog-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  padding: 0;
  background: var(--amber);
  border: 1px solid var(--midnight);
  cursor: pointer;
}

.dialog-close span {
  position: absolute;
  top: 19px;
  left: 10px;
  width: 20px;
  height: 2px;
  background: var(--midnight);
  transform: rotate(45deg);
}

.dialog-close span:last-child {
  transform: rotate(-45deg);
}

.dialog-confirm {
  width: 100%;
}

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

@media (scripting: enabled) {
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.55s ease, transform 0.55s cubic-bezier(.2,.8,.2,1);
  }

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

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(78,199,121,0.15); }
  50% { box-shadow: 0 0 0 9px rgba(78,199,121,0); }
}

@keyframes ticker {
  to { transform: translateX(-50%); }
}

@keyframes scene-snap {
  0% { clip-path: inset(0 0 0 0); transform: translateX(0); }
  48% { clip-path: inset(0 0 0 96%); transform: translateX(12px); }
  49% { clip-path: inset(0 96% 0 0); transform: translateX(-12px); }
  100% { clip-path: inset(0 0 0 0); transform: translateX(0); }
}

@media (max-width: 1120px) {
  .site-header {
    color: #fff;
  }

  .hero {
    grid-template-columns: 56% 44%;
  }

  .hero-copy {
    padding-left: 54px;
    padding-right: 54px;
  }

  .system-card {
    right: 30px;
    left: 30px;
  }

  .orbit-node {
    width: 46px;
    height: 46px;
  }

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

  .capability-card {
    min-height: 410px;
  }

  .solutions {
    grid-template-columns: 40% 60%;
  }

  .scene-stage {
    padding: 40px;
  }

  .scene-panel {
    min-height: 620px;
  }
}

@media (max-width: 860px) {
  .site-header {
    position: absolute;
    height: 76px;
  }

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

  .nav-toggle[aria-expanded="true"] span:nth-of-type(1) {
    transform: translateY(3.5px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:nth-of-type(2) {
    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: 80px 28px 40px;
    color: #fff;
    background: var(--midnight);
    visibility: hidden;
    opacity: 0;
    transform: translateX(100%);
    transition: opacity 0.2s ease, transform 0.28s ease, visibility 0.28s;
  }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateX(0);
  }

  .site-nav a {
    padding: 18px 8px;
    border-bottom: 1px solid rgba(255,255,255,0.18);
    font-size: 22px;
  }

  .site-nav .nav-cta {
    margin-top: 24px;
    padding: 16px;
    text-align: center;
    font-size: 16px;
    border: 1px solid var(--amber);
  }

  .site-nav .nav-cta:hover {
    color: var(--amber);
    border-color: var(--amber);
  }

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

  .hero-copy {
    min-height: 760px;
    padding: 126px 40px 64px;
  }

  .hero-copy-inner {
    width: 100%;
  }

  .hero-visual {
    min-height: 720px;
  }

  .section-heading,
  .section-heading > div,
  .process,
  .contact {
    grid-template-columns: 1fr;
  }

  .section-heading > div {
    gap: 24px;
  }

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

  .solutions-intro {
    padding: 90px 40px 70px;
  }

  .scene-tabs {
    grid-template-columns: repeat(3, 1fr);
    margin-top: 48px;
    border-left: 1px solid var(--light-line);
  }

  .scene-tabs button {
    justify-content: center;
    padding: 16px 8px;
    border-right: 1px solid var(--light-line);
  }

  .scene-tabs button[aria-selected="true"] {
    padding-left: 8px;
  }

  .scene-stage {
    padding: 48px;
  }

  .process {
    gap: 60px;
  }

  .contact-main {
    border-right: 0;
    border-bottom: 1px solid var(--midnight);
  }

  .contact-aside {
    padding: 64px;
  }
}

@media (max-width: 600px) {
  .site-header {
    padding: 0 20px;
  }

  .brand-name {
    font-size: 12px;
    letter-spacing: 0.03em;
  }

  .hero-copy {
    min-height: 700px;
    padding: 112px 22px 48px;
  }

  .hero h1 {
    margin-top: 26px;
    font-size: clamp(44px, 13vw, 62px);
  }

  .hero-intro {
    font-size: 15px;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .hero-meta {
    gap: 14px;
    margin-top: 42px;
  }

  .hero-meta div + div {
    padding-left: 10px;
  }

  .hero-meta strong {
    font-size: 12px;
  }

  .hero-meta span {
    font-size: 9px;
  }

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

  .visual-caption {
    top: 56px;
    right: 22px;
    left: 22px;
  }

  .system-card {
    top: 114px;
    right: 22px;
    left: 22px;
    height: 390px;
    box-shadow: 10px 10px 0 var(--midnight);
  }

  .system-card-head {
    top: 14px;
  }

  .orbit {
    inset: 52px 16px 48px;
  }

  .orbit-core {
    width: 108px;
    height: 108px;
  }

  .orbit-core b {
    font-size: 13px;
  }

  .orbit-node {
    width: 42px;
    height: 42px;
    font-size: 10px;
    box-shadow: 3px 3px 0 var(--amber);
  }

  .node-strategy { left: 10%; }
  .node-experience { right: 1%; }

  .signal-card {
    right: 13px;
    bottom: 38px;
    width: 150px;
  }

  .visual-note {
    bottom: 38px;
    left: 22px;
    width: 145px;
    font-size: 10px;
  }

  .section {
    padding: 88px 20px;
  }

  .section-heading {
    gap: 30px;
    padding-bottom: 44px;
  }

  .section h2,
  .solutions h2 {
    font-size: clamp(38px, 11vw, 52px);
  }

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

  .capability-card {
    min-height: auto;
    padding: 22px 22px 28px;
  }

  .capability-icon {
    margin: 34px 0 28px;
  }

  .solutions-intro {
    padding: 82px 20px 52px;
  }

  .scene-tabs {
    gap: 0;
  }

  .scene-tabs button {
    flex-direction: column;
    gap: 3px;
    font-size: 12px;
  }

  .scene-stage {
    padding: 26px 20px 36px;
  }

  .scene-panel {
    min-height: 610px;
    padding: 20px;
    box-shadow: 9px 9px 0 var(--midnight);
  }

  .scene-topline span:last-child {
    display: none;
  }

  .scene-copy {
    width: 100%;
    padding-top: 30px;
  }

  .scene-copy h3 {
    font-size: 38px;
  }

  .scene-art {
    right: 20px;
    bottom: 78px;
    left: 20px;
    height: 230px;
  }

  .flow-column i {
    width: 46px;
    height: 22px;
  }

  .flow-core {
    width: 92px;
    height: 92px;
  }

  .scene-tags {
    right: 20px;
    bottom: 23px;
    left: 20px;
  }

  .scene-tags span {
    padding: 4px 6px;
  }

  .process-list li {
    grid-template-columns: 30px 14px 1fr;
    gap: 12px;
    padding: 22px 0;
  }

  .process-meta {
    display: none;
  }

  .principle {
    min-height: 590px;
    padding: 86px 20px;
  }

  .principle blockquote {
    margin-top: 70px;
    font-size: clamp(50px, 15vw, 70px);
  }

  .principle-note {
    right: 20px;
    bottom: 40px;
    left: 20px;
  }

  .contact-main,
  .contact-aside {
    padding: 76px 20px;
  }

  .contact h2 {
    font-size: clamp(48px, 13vw, 66px);
  }

  .contact-aside {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .brief-dialog {
    box-shadow: 8px 8px 0 var(--amber);
  }
}

@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;
  }

  .ticker-track {
    transform: none;
  }

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