:root {
  --ink: #11120f;
  --ink-soft: #1b1d19;
  --paper: #f4f2ea;
  --paper-deep: #e9e6db;
  --white: #fbfbf8;
  --acid: #dcff37;
  --coral: #ff6542;
  --blue: #91a8ff;
  --muted: #696a63;
  --line: rgba(17, 18, 15, 0.17);
  --line-light: rgba(251, 251, 248, 0.18);
  --sans: "Noto Sans SC", system-ui, sans-serif;
  --mono: "DM Mono", ui-monospace, monospace;
  --page-pad: clamp(24px, 6vw, 96px);
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input {
  font: inherit;
}

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

svg {
  display: block;
}

.mono {
  font-family: var(--mono);
}

.site-header {
  height: 72px;
  padding: 0 var(--page-pad);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  color: var(--white);
  background: var(--ink);
  border-bottom: 1px solid var(--line-light);
  position: sticky;
  top: 0;
  z-index: 30;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  justify-self: start;
  font-weight: 800;
  font-size: 16px;
}

.brand svg {
  width: 31px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  color: #c7c8c1;
  font-size: 12px;
}

.desktop-nav a,
.text-link,
.header-cta {
  transition: color 180ms ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: var(--acid);
}

.header-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 0 14px;
  color: var(--ink);
  background: var(--acid);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
}

.header-cta svg,
.button svg,
.text-link svg {
  width: 16px;
  height: 16px;
}

.header-cta:hover,
.header-cta:focus-visible {
  background: var(--white);
}

.menu-toggle,
.mobile-nav {
  display: none;
}

.hero {
  min-height: calc(100svh - 116px);
  max-height: 920px;
  height: 800px;
  padding: 76px var(--page-pad) 82px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.field-grid {
  position: absolute;
  inset: 0;
  z-index: -4;
  opacity: 0.55;
}

.field-grid i,
.field-grid b {
  position: absolute;
  display: block;
  background: rgba(251, 251, 248, 0.08);
}

.field-grid i {
  top: 0;
  bottom: 0;
  width: 1px;
}

.field-grid i:nth-child(1) { left: 8%; }
.field-grid i:nth-child(2) { left: 25%; }
.field-grid i:nth-child(3) { left: 42%; }
.field-grid i:nth-child(4) { left: 59%; }
.field-grid i:nth-child(5) { left: 76%; }
.field-grid i:nth-child(6) { left: 93%; }

.field-grid b {
  left: 0;
  right: 0;
  height: 1px;
}

.field-grid b:nth-of-type(1) { top: 18%; }
.field-grid b:nth-of-type(2) { top: 42%; }
.field-grid b:nth-of-type(3) { top: 66%; }
.field-grid b:nth-of-type(4) { top: 90%; }

.operations-map {
  position: absolute;
  z-index: -2;
  inset: 4% 1% 7% 43%;
  opacity: 0.74;
  transition: transform 250ms ease-out;
}

.operations-map::before {
  content: "";
  position: absolute;
  inset: 14% 7% 10% 9%;
  border: 1px solid rgba(220, 255, 55, 0.12);
}

.map-node {
  position: absolute;
  width: 150px;
  min-height: 88px;
  padding: 13px 14px;
  color: #dedfd8;
  background: rgba(17, 18, 15, 0.9);
  border: 1px solid rgba(251, 251, 248, 0.24);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.22);
}

.map-node small,
.map-node span,
.map-node strong {
  display: block;
}

.map-node small {
  margin-bottom: 12px;
  color: #85877f;
  font: 9px var(--mono);
}

.map-node strong {
  margin-bottom: 5px;
  color: var(--white);
  font-size: 14px;
}

.map-node > span {
  color: #9d9f97;
  font-size: 10px;
}

.map-node.is-active {
  width: 178px;
  min-height: 108px;
  border-color: var(--acid);
  background: #171911;
  box-shadow: 0 0 0 1px rgba(220, 255, 55, 0.12), 0 24px 60px rgba(0, 0, 0, 0.32);
}

.map-node.is-active::after {
  content: "";
  position: absolute;
  inset: -7px;
  border: 1px solid rgba(220, 255, 55, 0.24);
  pointer-events: none;
}

.node-request { top: 13%; left: 5%; }
.node-context { top: 36%; left: 27%; }
.node-agent { top: 23%; left: 55%; }
.node-review { top: 58%; left: 52%; }
.node-evidence { top: 45%; right: 0; }

.live-state {
  display: inline-flex !important;
  align-items: center;
  gap: 7px;
  margin-top: 13px;
  color: var(--acid) !important;
  font: 9px var(--mono) !important;
}

.live-state i,
.feed-status i,
.case-status i {
  width: 7px;
  height: 7px;
  display: inline-block;
  flex: 0 0 auto;
  background: var(--acid);
  border-radius: 50%;
  animation: blink 1.6s ease-in-out infinite;
}

.map-link {
  height: 1px;
  position: absolute;
  z-index: -1;
  transform-origin: left center;
  background: rgba(220, 255, 55, 0.36);
}

.map-link span {
  position: absolute;
  top: -3px;
  width: 7px;
  height: 7px;
  background: var(--acid);
  border-radius: 50%;
  animation: travel 3.4s linear infinite;
}

.link-one { width: 220px; top: 31%; left: 19%; transform: rotate(24deg); }
.link-two { width: 190px; top: 44%; left: 40%; transform: rotate(-27deg); }
.link-three { width: 210px; top: 43%; left: 66%; transform: rotate(57deg); }
.link-four { width: 200px; top: 68%; left: 66%; transform: rotate(-19deg); }
.link-two span { animation-delay: -0.8s; }
.link-three span { animation-delay: -1.6s; }
.link-four span { animation-delay: -2.4s; }

@keyframes travel {
  from { left: 0; }
  to { left: calc(100% - 7px); }
}

@keyframes blink {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 1; }
}

.hero-copy {
  position: relative;
  z-index: 3;
  width: 62%;
  max-width: 820px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #b7b9b0;
  font: 10px var(--mono);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--coral);
  box-shadow: 0 0 0 5px rgba(255, 101, 66, 0.14);
  border-radius: 50%;
}

.hero h1 {
  margin: 46px 0 28px;
  max-width: 780px;
  font-size: 82px;
  font-weight: 800;
  line-height: 1.08;
}

.hero h1 span {
  color: var(--acid);
}

.hero-intro {
  max-width: 600px;
  margin: 0;
  color: #b9bbb2;
  font-size: 17px;
  line-height: 1.85;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 30px;
}

.button {
  min-height: 48px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

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

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

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

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #c8cac0;
  font-size: 13px;
  border-bottom: 1px solid #74766f;
  padding: 8px 0;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--acid);
  border-color: var(--acid);
}

.activity-feed {
  width: 330px;
  position: absolute;
  z-index: 4;
  right: var(--page-pad);
  bottom: 76px;
  background: rgba(17, 18, 15, 0.94);
  border: 1px solid rgba(251, 251, 248, 0.22);
}

.feed-head {
  min-height: 40px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-light);
  font: 9px var(--mono);
  color: #8f9189;
}

.feed-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--acid);
}

.feed-status i {
  width: 6px;
  height: 6px;
}

.activity-feed ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.activity-feed li {
  min-height: 47px;
  padding: 9px 12px;
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(251, 251, 248, 0.09);
}

.activity-feed li:last-child {
  border-bottom: 0;
}

.activity-feed li > span {
  color: #6f716a;
  font: 9px var(--mono);
}

.activity-feed li strong,
.activity-feed li small {
  grid-column: 2;
}

.activity-feed li strong {
  color: #d9dad4;
  font-size: 11px;
  font-weight: 500;
}

.activity-feed li small {
  margin-top: 2px;
  color: #777971;
  font-size: 9px;
}

.activity-feed .is-done strong::after {
  content: "✓";
  margin-left: 6px;
  color: var(--acid);
}

.activity-feed .is-current {
  box-shadow: inset 3px 0 var(--coral);
  background: rgba(255, 101, 66, 0.05);
}

.hero-meta {
  position: absolute;
  left: var(--page-pad);
  right: var(--page-pad);
  bottom: 25px;
  display: flex;
  justify-content: space-between;
  color: #6f716a;
  font: 9px var(--mono);
}

.signal-band {
  min-height: 270px;
  padding: 52px var(--page-pad);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
  gap: 80px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.signal-band p {
  margin: 0;
  font-size: 34px;
  line-height: 1.45;
  color: #73746e;
}

.signal-band p strong {
  color: var(--ink);
  font-weight: 700;
}

.signal-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.signal-items span {
  min-height: 72px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

.signal-items svg {
  width: 17px;
  color: var(--coral);
}

.section-shell {
  padding: 120px var(--page-pad);
}

.section-heading {
  display: grid;
  grid-template-columns: 1.5fr 0.75fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 68px;
}

.section-index {
  display: block;
  margin-bottom: 24px;
  color: var(--muted);
  font: 10px var(--mono);
}

.section-heading h2,
.method-heading h2,
.governance-copy h2 {
  margin: 0;
  font-size: 54px;
  line-height: 1.22;
  font-weight: 700;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.cases {
  background: var(--paper);
}

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

.case-tabs button {
  min-height: 58px;
  padding: 0 20px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  text-align: left;
  font-size: 12px;
  transition: color 180ms ease, background 180ms ease;
}

.case-tabs button:hover,
.case-tabs button:focus-visible {
  color: var(--ink);
  background: var(--paper-deep);
}

.case-tabs button[aria-selected="true"] {
  color: var(--ink);
  background: var(--acid);
  font-weight: 700;
}

.case-panel {
  min-height: 560px;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--white);
}

.case-panel[hidden] {
  display: none;
}

.case-story {
  padding: 48px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
}

.case-status {
  width: max-content;
  padding: 7px 9px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #3d4318;
  background: var(--acid);
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
}

.case-status i {
  width: 6px;
  height: 6px;
  background: var(--coral);
}

.case-type {
  margin: 50px 0 18px;
  color: var(--muted);
  font: 9px var(--mono);
}

.case-story h3 {
  margin: 0 0 22px;
  font-size: 30px;
  line-height: 1.45;
}

.case-story > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.case-story dl {
  margin: auto 0 0;
  border-top: 1px solid var(--line);
}

.case-story dl div {
  padding: 14px 0;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 15px;
  border-bottom: 1px solid var(--line);
}

.case-story dt {
  color: var(--muted);
  font-size: 10px;
}

.case-story dd {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
}

.workbench {
  min-width: 0;
  background: #191a17;
  color: var(--white);
  display: flex;
  flex-direction: column;
}

.workbench-bar {
  min-height: 48px;
  padding: 0 18px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(251, 251, 248, 0.14);
  color: #a4a69d;
  font: 9px var(--mono);
}

.workbench-bar > span {
  display: flex;
  gap: 6px;
}

.workbench-bar > span i {
  width: 7px;
  height: 7px;
  border: 1px solid #777971;
  border-radius: 50%;
}

.workbench-bar > span i:first-child {
  background: var(--coral);
  border-color: var(--coral);
}

.workbench-bar strong {
  color: #d4d5cf;
  font-weight: 400;
}

.workbench-bar small {
  justify-self: end;
  font: inherit;
}

.sheet-preview,
.query-preview,
.chat-preview {
  margin: auto 34px;
  border: 1px solid rgba(251, 251, 248, 0.15);
  background: #141512;
}

.sheet-preview > div {
  min-height: 62px;
  padding: 0 17px;
  display: grid;
  grid-template-columns: 1.5fr 0.75fr 1fr 0.65fr;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(251, 251, 248, 0.1);
  font-size: 11px;
}

.sheet-preview > div:last-child {
  border-bottom: 0;
}

.sheet-preview .sheet-head {
  min-height: 40px;
  color: #6f716a;
  font: 8px var(--mono);
}

.sheet-preview b {
  width: max-content;
  padding: 5px 7px;
  color: var(--ink);
  background: var(--acid);
  font: 8px var(--mono);
  border-radius: 3px;
}

.sheet-preview b.is-waiting {
  color: var(--white);
  background: var(--coral);
}

.workbench-note {
  min-height: 66px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: #20211d;
  border-top: 1px solid rgba(251, 251, 248, 0.14);
}

.workbench-note svg {
  width: 19px;
  color: var(--acid);
}

.workbench-note span {
  display: flex;
  flex-direction: column;
  gap: 3px;
  color: #85877f;
  font-size: 9px;
}

.workbench-note strong {
  color: #e4e5df;
  font-size: 11px;
}

.query-preview {
  padding: 26px;
}

.query-label {
  color: var(--acid);
  font: 9px var(--mono);
}

.query-preview > p {
  margin: 14px 0 30px;
  font-size: 18px;
  line-height: 1.6;
}

.query-path {
  min-height: 54px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(251, 251, 248, 0.12);
  color: #a7a9a1;
  font-size: 9px;
}

.query-path svg {
  width: 13px;
  color: var(--coral);
}

.source-list {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(251, 251, 248, 0.12);
}

.source-list span {
  min-height: 66px;
  padding: 13px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #191a17;
  color: #b2b4ab;
  font-size: 10px;
}

.source-list b {
  color: #696b64;
  font: 9px var(--mono);
}

.chat-preview {
  padding: 28px;
  border: 0;
  background: transparent;
}

.message {
  max-width: 82%;
  margin-bottom: 22px;
}

.message > span {
  display: block;
  margin-bottom: 7px;
  color: #85877f;
  font-size: 9px;
}

.message p {
  margin: 0;
  padding: 14px 16px;
  font-size: 12px;
  line-height: 1.7;
  border-radius: 4px;
}

.user-message {
  margin-left: auto;
}

.user-message > span {
  text-align: right;
}

.user-message p {
  color: var(--ink);
  background: var(--paper-deep);
}

.agent-message p {
  border: 1px solid rgba(251, 251, 248, 0.16);
  background: #20211d;
}

.agent-message > div {
  margin-top: 9px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.mock-button {
  min-height: 30px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  background: var(--acid);
  border-radius: 3px;
  font-size: 9px;
}

.agent-message small {
  color: #777971;
  font-size: 9px;
}

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

.method-heading {
  max-width: 900px;
  margin-bottom: 78px;
}

.method-heading .section-index {
  color: #777970;
}

.method-steps {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  list-style: none;
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
}

.method-steps li {
  min-width: 0;
  min-height: 330px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  transition: background 180ms ease;
}

.method-steps li:hover {
  background: #1c1e19;
}

.method-steps li > span {
  color: #74766e;
  font: 9px var(--mono);
}

.method-steps li > svg {
  width: 28px;
  height: 28px;
  margin: 52px 0 36px;
  color: var(--acid);
}

.method-steps h3 {
  margin: 0 0 13px;
  font-size: 21px;
}

.method-steps p {
  margin: 0;
  color: #90928a;
  font-size: 12px;
  line-height: 1.75;
}

.method-steps small {
  margin-top: auto;
  color: #5e6059;
  font: 8px var(--mono);
}

.relay {
  background: var(--white);
}

.relay-heading {
  align-items: center;
}

.relay-flow {
  min-height: 250px;
  display: grid;
  grid-template-columns: 1fr 44px 1fr 44px 1fr 44px 1fr 44px 1fr;
  align-items: stretch;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.relay-flow > div {
  min-width: 0;
  padding: 24px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.relay-flow > div > span {
  align-self: flex-start;
  color: #9b9c96;
  font: 8px var(--mono);
}

.relay-flow > div > svg {
  width: 31px;
  height: 31px;
  margin: 25px 0;
  color: var(--coral);
}

.relay-flow > div strong {
  font-size: 18px;
}

.relay-flow > div small {
  margin-top: 8px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
}

.relay-flow > b {
  display: grid;
  place-items: center;
  color: #a3a49e;
}

.relay-flow > b svg {
  width: 17px;
}

.relay-flow .relay-core {
  color: var(--ink);
  background: var(--acid);
}

.relay-flow .relay-core > span,
.relay-flow .relay-core small {
  color: #565a28;
}

.relay-flow .relay-core > svg {
  color: var(--ink);
}

.capability-list {
  margin-top: 70px;
  border-top: 1px solid var(--ink);
}

.capability-list > div {
  min-height: 78px;
  display: grid;
  grid-template-columns: 0.8fr 1.8fr 0.5fr;
  align-items: center;
  gap: 30px;
  border-bottom: 1px solid var(--line);
}

.capability-list span {
  font-size: 16px;
  font-weight: 600;
}

.capability-list p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.capability-list small {
  justify-self: end;
  color: #979892;
  font: 8px var(--mono);
}

.governance {
  background: var(--acid);
}

.governance-inner {
  min-height: 560px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.governance-copy .section-index {
  color: #565a28;
}

.governance-points {
  border-top: 1px solid rgba(17, 18, 15, 0.4);
}

.governance-points > div {
  min-height: 88px;
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(17, 18, 15, 0.3);
}

.governance-points svg {
  width: 20px;
}

.governance-points span,
.governance-points strong,
.governance-points small {
  display: block;
}

.governance-points strong {
  margin-bottom: 5px;
  font-size: 14px;
}

.governance-points small {
  color: #565a28;
  font-size: 11px;
}

.team {
  background: var(--paper-deep);
}

.member-list {
  border-top: 1px solid var(--ink);
}

.member {
  min-height: 118px;
  display: grid;
  grid-template-columns: 54px 0.85fr 1.5fr 1fr;
  gap: 30px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  transition: background 180ms ease, padding 180ms ease;
}

.member:hover {
  padding: 0 14px;
  background: rgba(251, 251, 248, 0.55);
}

.member-index {
  color: #979890;
  font: 9px var(--mono);
}

.member-name h3 {
  margin: 0 0 7px;
  font-size: 22px;
}

.member-name small {
  color: var(--muted);
  font: 9px var(--mono);
}

.member-role strong {
  font-size: 14px;
}

.member-role p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.member-background {
  justify-self: end;
  max-width: 270px;
  color: var(--muted);
  text-align: right;
  font-size: 10px;
  line-height: 1.7;
}

.contact {
  min-height: 690px;
  padding: 110px var(--page-pad) 40px;
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-signal {
  position: absolute;
  inset: 0 0 0 52%;
  border-left: 1px solid var(--line-light);
}

.contact-signal i {
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--coral);
  border: 3px solid var(--ink);
  box-shadow: 0 0 0 1px rgba(251, 251, 248, 0.28);
  border-radius: 50%;
}

.contact-signal i::before,
.contact-signal i::after {
  content: "";
  position: absolute;
  background: rgba(251, 251, 248, 0.16);
}

.contact-signal i::before {
  left: 4px;
  top: -120px;
  width: 1px;
  height: 260px;
}

.contact-signal i::after {
  left: -170px;
  top: 4px;
  width: 340px;
  height: 1px;
}

.contact-signal i:nth-child(1) { left: 14%; top: 20%; }
.contact-signal i:nth-child(2) { left: 55%; top: 15%; background: var(--acid); }
.contact-signal i:nth-child(3) { left: 38%; top: 53%; }
.contact-signal i:nth-child(4) { left: 72%; top: 66%; background: var(--blue); }
.contact-signal i:nth-child(5) { left: 18%; top: 82%; background: var(--acid); }

.contact-inner {
  width: 100%;
  position: relative;
  z-index: 2;
}

.contact-inner .section-index {
  color: #777970;
}

.contact h2 {
  margin: 0 0 30px;
  font-size: 60px;
  line-height: 1.2;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  align-items: end;
  gap: clamp(48px, 8vw, 120px);
}

.contact-copy > p {
  max-width: 580px;
  margin: 0 0 35px;
  color: #989a91;
  font-size: 14px;
  line-height: 1.9;
}

.wechat-card {
  padding: 18px;
  display: grid;
  grid-template-columns: 156px 1fr;
  align-items: center;
  gap: 20px;
  color: var(--ink);
  background: var(--acid);
  border: 1px solid rgba(251, 251, 248, 0.25);
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.28);
}

.wechat-qr-frame {
  padding: 7px;
  background: #fff;
}

.wechat-qr-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.wechat-card-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.wechat-card-copy span {
  margin-bottom: 16px;
  font: 9px/1.4 var(--mono);
  letter-spacing: 0.08em;
}

.wechat-card-copy strong {
  margin-bottom: 9px;
  font-size: 21px;
}

.wechat-card-copy p {
  margin: 0;
  font-size: 11px;
  line-height: 1.7;
}

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

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

.contact-meta {
  position: relative;
  z-index: 2;
  padding-top: 25px;
  display: flex;
  justify-content: space-between;
  color: #74766e;
  border-top: 1px solid var(--line-light);
  font: 9px var(--mono);
}

.contact-meta a:hover,
.contact-meta a:focus-visible {
  color: var(--acid);
}

footer {
  min-height: 132px;
  padding: 0 var(--page-pad);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  gap: 20px;
  color: var(--ink);
  background: var(--white);
}

footer p {
  margin: 0;
  text-align: center;
  color: var(--muted);
  font-size: 11px;
}

footer > .mono {
  justify-self: end;
  color: #8b8c85;
  font-size: 9px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms cubic-bezier(0.2, 0.7, 0.2, 1), transform 600ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

@media (max-width: 1120px) {
  .hero h1 {
    font-size: 68px;
  }

  .activity-feed {
    width: 300px;
  }

  .operations-map { left: 38%; }

  .signal-band {
    gap: 45px;
  }

  .signal-band p {
    font-size: 29px;
  }

  .section-heading h2,
  .method-heading h2,
  .governance-copy h2 {
    font-size: 46px;
  }

  .method-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .method-steps li {
    min-height: 290px;
  }

  .case-story {
    padding: 38px;
  }
}

@media (max-width: 850px) {
  html {
    scroll-padding-top: 64px;
  }

  .site-header {
    height: 64px;
    grid-template-columns: 1fr auto;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    width: 40px;
    height: 40px;
    padding: 0;
    display: grid;
    place-items: center;
    justify-self: end;
    color: var(--white);
    background: transparent;
    border: 1px solid var(--line-light);
    border-radius: 4px;
    cursor: pointer;
  }

  .menu-toggle svg {
    width: 18px;
  }

  .mobile-nav:not([hidden]) {
    position: absolute;
    z-index: 40;
    top: 64px;
    left: 0;
    right: 0;
    min-height: calc(100svh - 64px);
    padding: 30px var(--page-pad);
    display: grid;
    align-content: start;
    background: var(--ink);
  }

  .mobile-nav a {
    min-height: 62px;
    display: flex;
    align-items: center;
    color: var(--white);
    border-bottom: 1px solid var(--line-light);
    font-size: 18px;
  }

  .mobile-nav a:last-child {
    margin-top: 28px;
    padding: 0 16px;
    justify-content: center;
    color: var(--ink);
    background: var(--acid);
    border: 0;
    border-radius: 4px;
  }

  .hero {
    height: auto;
    max-height: none;
    min-height: calc(100svh - 96px);
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .hero-copy {
    width: 100%;
  }

  .hero h1 {
    max-width: 640px;
    font-size: 58px;
  }

  .hero-intro {
    max-width: 520px;
  }

  .operations-map {
    inset: 25% -10% 2% 30%;
    opacity: 0.38;
  }

  .activity-feed {
    display: none;
  }

  .signal-band {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .signal-items {
    max-width: 600px;
  }

  .section-heading,
  .governance-inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }

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

  .case-panel {
    grid-template-columns: 1fr;
  }

  .case-story {
    min-height: 520px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .workbench {
    min-height: 480px;
  }

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

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

  .relay-flow > div {
    min-height: 175px;
    border-bottom: 1px solid var(--line);
  }

  .relay-flow > div > span {
    align-self: center;
  }

  .relay-flow > div > svg {
    margin: 16px 0;
  }

  .relay-flow > b {
    height: 38px;
    border-bottom: 1px solid var(--line);
  }

  .relay-flow > b svg {
    transform: rotate(90deg);
  }

  .governance-inner {
    padding-top: 90px;
    padding-bottom: 90px;
  }

  .member {
    grid-template-columns: 46px 0.9fr 1.7fr;
  }

  .member-background {
    display: none;
  }

  .contact-signal { left: 60%; opacity: 0.45; }

  .contact h2 {
    font-size: 52px;
  }

  .contact-layout {
    grid-template-columns: minmax(0, 1fr) 350px;
    gap: 40px;
  }

  .wechat-card {
    grid-template-columns: 136px 1fr;
  }
}

@media (max-width: 560px) {
  :root {
    --page-pad: 20px;
  }

  .brand {
    font-size: 15px;
  }

  .brand svg {
    width: 28px;
  }

  .hero {
    min-height: calc(100svh - 92px);
    padding-top: 50px;
    padding-bottom: 60px;
  }

  .eyebrow {
    max-width: 290px;
    font-size: 8px;
    line-height: 1.5;
  }

  .hero h1 {
    margin: 40px 0 22px;
    font-size: 44px;
    line-height: 1.13;
  }

  .hero-intro {
    max-width: 330px;
    font-size: 14px;
    line-height: 1.8;
  }

  .hero-actions {
    margin-top: 28px;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .button {
    min-height: 46px;
  }

  .operations-map {
    inset: 48% -42% 0 20%;
    opacity: 0.27;
    transform: scale(0.82);
  }

  .map-node {
    width: 120px;
  }

  .map-node.is-active {
    width: 138px;
  }

  .hero-meta {
    bottom: 18px;
  }

  .hero-meta span:last-child {
    display: none;
  }

  .signal-band {
    min-height: 0;
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .signal-band p {
    font-size: 24px;
    line-height: 1.55;
  }

  .signal-items span {
    min-height: 62px;
    padding: 0 10px;
    font-size: 11px;
  }

  .section-shell {
    padding-top: 82px;
    padding-bottom: 82px;
  }

  .section-heading {
    margin-bottom: 45px;
  }

  .section-heading h2,
  .method-heading h2,
  .governance-copy h2 {
    font-size: 36px;
    line-height: 1.3;
  }

  .section-heading > p {
    font-size: 13px;
  }

  .case-tabs button {
    min-height: 54px;
    padding: 0 10px;
    font-size: 10px;
    text-align: center;
  }

  .case-story {
    min-height: 560px;
    padding: 28px 22px;
  }

  .case-type {
    margin-top: 36px;
  }

  .case-story h3 {
    font-size: 24px;
  }

  .case-story dl div {
    grid-template-columns: 62px 1fr;
  }

  .workbench {
    min-height: 430px;
  }

  .workbench-bar {
    grid-template-columns: auto 1fr;
    gap: 12px;
  }

  .workbench-bar strong {
    justify-self: end;
  }

  .workbench-bar small {
    display: none;
  }

  .sheet-preview,
  .query-preview,
  .chat-preview {
    margin-left: 14px;
    margin-right: 14px;
  }

  .sheet-preview > div {
    min-height: 64px;
    padding: 0 10px;
    grid-template-columns: 1.35fr 0.8fr 1fr;
    gap: 8px;
    font-size: 9px;
  }

  .sheet-preview > div span:nth-child(3) {
    display: none;
  }

  .sheet-preview b {
    font-size: 7px;
  }

  .query-preview {
    padding: 20px;
  }

  .query-preview > p {
    font-size: 15px;
  }

  .query-path {
    padding: 12px;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-start;
  }

  .query-path svg {
    width: 11px;
  }

  .source-list span {
    min-height: 58px;
    padding: 9px;
    font-size: 8px;
  }

  .chat-preview {
    padding: 18px 8px;
  }

  .message {
    max-width: 92%;
  }

  .agent-message > div {
    align-items: flex-start;
    flex-direction: column;
  }

  .method-heading {
    margin-bottom: 52px;
  }

  .method-steps {
    grid-template-columns: 1fr;
  }

  .method-steps li {
    min-height: 238px;
  }

  .method-steps li > svg {
    margin: 35px 0 25px;
  }

  .capability-list > div {
    min-height: 98px;
    grid-template-columns: 0.9fr 1.4fr;
    gap: 18px;
  }

  .capability-list small {
    display: none;
  }

  .capability-list span {
    font-size: 14px;
  }

  .capability-list p {
    font-size: 10px;
    line-height: 1.6;
  }

  .governance-inner {
    min-height: 0;
    padding-top: 78px;
    padding-bottom: 78px;
  }

  .governance-points > div {
    min-height: 92px;
  }

  .team-heading br,
  .governance-copy br {
    display: none;
  }

  .member {
    min-height: 160px;
    padding: 24px 0;
    grid-template-columns: 38px 1fr;
    align-items: start;
    gap: 12px;
  }

  .member:hover {
    padding: 24px 8px;
  }

  .member-role {
    grid-column: 2;
  }

  .member-role p {
    font-size: 10px;
  }

  .contact {
    min-height: 650px;
    padding-top: 82px;
  }

  .contact-signal { left: 48%; opacity: 0.28; }

  .contact h2 {
    font-size: 40px;
    line-height: 1.3;
  }

  .contact h2 br {
    display: none;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 42px;
  }

  .wechat-card {
    width: min(100%, 390px);
    grid-template-columns: 132px 1fr;
    gap: 16px;
  }

  .contact-meta {
    flex-direction: column;
    gap: 10px;
  }

  footer {
    min-height: 118px;
    grid-template-columns: 1fr 1fr;
  }

  footer p {
    display: none;
  }

  footer > .mono {
    font-size: 8px;
  }
}

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

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