@charset "UTF-8";

:root {
  --ink: #172126;
  --night: #0b2230;
  --paper: #f3f5f3;
  --paper-warm: #ecefe9;
  --mist: #c7d8d4;
  --blue: #315f78;
  --red: #c24637;
  --white: #ffffff;
  --line: rgba(23, 33, 38, 0.16);
  --line-light: rgba(255, 255, 255, 0.16);
  --display: "Source Han Serif SC", "Noto Serif SC", "Songti SC", STSong, serif;
  --sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --shell: min(1180px, calc(100vw - 48px));
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.dialog-open {
  overflow: hidden;
}

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

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

button {
  color: inherit;
}

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

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

::selection {
  color: var(--white);
  background: var(--blue);
}

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  color: var(--white);
  background: var(--red);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

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

.section-pad {
  padding-block: clamp(88px, 10vw, 148px);
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  display: inline-block;
  width: 24px;
  height: 1px;
  margin: 0 10px 3px 0;
  background: currentColor;
  content: "";
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  color: var(--white);
  border-bottom: 1px solid transparent;
  transition:
    background-color 300ms ease,
    border-color 300ms ease,
    transform 300ms var(--ease);
}

.site-header.is-scrolled,
.site-header.is-menu-open {
  border-color: var(--line-light);
  background: rgba(11, 34, 48, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav-shell {
  display: flex;
  min-height: 80px;
  align-items: center;
  justify-content: space-between;
}

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

.brand-mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid currentColor;
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-copy strong {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.brand-copy small {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  opacity: 0.58;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
}

.site-nav a {
  position: relative;
  opacity: 0.72;
  transition: opacity 180ms ease;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 260ms var(--ease);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  opacity: 1;
}

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

.nav-cta {
  min-height: 42px;
  padding: 0 19px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: transparent;
  cursor: pointer;
  transition:
    color 180ms ease,
    background-color 180ms ease;
}

.nav-cta:hover {
  color: var(--night);
  background: var(--white);
}

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

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  margin: 6px auto;
  background: currentColor;
  transition: transform 220ms ease;
}

.hero {
  position: relative;
  min-height: 880px;
  overflow: hidden;
  color: var(--white);
  background: var(--night);
}

.hero-grid,
.closing-grid {
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
}

.hero-glow {
  position: absolute;
  top: 18%;
  right: 6%;
  width: 560px;
  height: 560px;
  border: 1px solid rgba(199, 216, 212, 0.16);
  border-radius: 50%;
  box-shadow:
    0 0 0 90px rgba(199, 216, 212, 0.025),
    0 0 0 180px rgba(199, 216, 212, 0.018);
  animation: breathe 7s ease-in-out infinite;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 880px;
  padding-top: 130px;
  padding-bottom: 72px;
  align-items: center;
  grid-template-columns: minmax(360px, 0.82fr) minmax(550px, 1.18fr);
  gap: clamp(48px, 6vw, 92px);
}

.hero-copy {
  padding-bottom: 20px;
}

.hero-eyebrow {
  color: var(--mist);
  opacity: 0;
  animation: rise-in 700ms 120ms var(--ease) forwards;
}

.hero h1 {
  max-width: 640px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(56px, 5.25vw, 82px);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1.12;
  opacity: 0;
  animation: rise-in 850ms 220ms var(--ease) forwards;
}

.hero h1 span {
  display: inline-block;
  color: var(--mist);
}

.hero-lead {
  max-width: 565px;
  margin: 34px 0 0;
  color: rgba(255, 255, 255, 0.67);
  font-size: 17px;
  line-height: 1.9;
  opacity: 0;
  animation: rise-in 800ms 340ms var(--ease) forwards;
}

.hero-actions {
  display: flex;
  margin-top: 40px;
  align-items: center;
  gap: 14px;
  opacity: 0;
  animation: rise-in 800ms 440ms var(--ease) forwards;
}

.button {
  display: inline-flex;
  min-height: 54px;
  padding: 0 24px;
  align-items: center;
  justify-content: center;
  gap: 30px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition:
    transform 220ms var(--ease),
    box-shadow 220ms ease,
    color 220ms ease,
    background-color 220ms ease,
    border-color 220ms ease;
}

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

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

.button-primary:hover {
  box-shadow: 0 14px 34px rgba(194, 70, 55, 0.24);
  background: #aa382d;
}

.button-ghost {
  color: rgba(255, 255, 255, 0.78);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.02);
}

.button-ghost:hover {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}

.promise-list {
  display: flex;
  margin: 42px 0 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.46);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  list-style: none;
  opacity: 0;
  animation: rise-in 800ms 540ms var(--ease) forwards;
}

.promise-list li {
  display: flex;
  align-items: center;
}

.promise-list li + li::before {
  width: 3px;
  height: 3px;
  margin: 0 12px;
  border-radius: 50%;
  background: var(--mist);
  content: "";
}

.execution-demo {
  position: relative;
  overflow: hidden;
  min-height: 580px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(6, 22, 31, 0.72);
  box-shadow: 0 38px 90px rgba(0, 0, 0, 0.24);
  opacity: 0;
  animation: demo-in 1000ms 380ms var(--ease) forwards;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.execution-demo::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(199, 216, 212, 0.09), transparent 42%);
  content: "";
  pointer-events: none;
}

.demo-topline,
.demo-caption {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.45);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

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

.live-status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mist);
  box-shadow: 0 0 0 4px rgba(199, 216, 212, 0.1);
  animation: status-pulse 2.2s ease-out infinite;
}

.stage-tabs {
  position: relative;
  z-index: 3;
  display: inline-flex;
  margin-top: 24px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.035);
}

.stage-tabs button {
  padding: 7px 13px;
  color: rgba(255, 255, 255, 0.42);
  border: 0;
  background: transparent;
  font-size: 11px;
  cursor: pointer;
  transition:
    color 180ms ease,
    background-color 180ms ease;
}

.stage-tabs button[aria-selected="true"] {
  color: var(--night);
  background: var(--mist);
}

.stage-workspace {
  position: relative;
  display: grid;
  min-height: 410px;
  align-items: center;
  grid-template-columns: 1fr 0.68fr 1fr;
  gap: 16px;
}

.stage-workspace::before {
  position: absolute;
  inset: 28px 0;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background-image: radial-gradient(rgba(255, 255, 255, 0.1) 0.6px, transparent 0.6px);
  background-size: 10px 10px;
  content: "";
}

.stage-paper {
  position: relative;
  z-index: 2;
  min-height: 220px;
  padding: 18px;
  color: var(--ink);
  background: #edf0eb;
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.23);
}

.stage-input {
  transform: translateX(0) rotate(-1.6deg);
}

.stage-output {
  transform: translateX(0) rotate(1.2deg);
}

.execution-demo.is-running .stage-input {
  animation: paper-in 6.8s var(--ease) both;
}

.execution-demo.is-running .stage-output {
  animation: paper-out 6.8s var(--ease) both;
}

.paper-meta {
  display: flex;
  margin-bottom: 28px;
  padding-bottom: 8px;
  justify-content: space-between;
  color: rgba(23, 33, 38, 0.5);
  border-bottom: 1px solid rgba(23, 33, 38, 0.18);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.08em;
}

.paper-label {
  margin: 0 0 5px;
  color: rgba(23, 33, 38, 0.5);
  font-size: 10px;
}

.stage-paper h2 {
  min-height: 50px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(18px, 1.45vw, 23px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.35;
}

.stage-paper dl {
  margin: 19px 0 0;
  font-size: 10px;
}

.stage-paper dl div {
  display: grid;
  padding: 5px 0;
  border-top: 1px solid rgba(23, 33, 38, 0.1);
  grid-template-columns: 42px 1fr;
}

.stage-paper dt {
  color: rgba(23, 33, 38, 0.44);
}

.stage-paper dd {
  margin: 0;
}

.file-icon {
  position: absolute;
  top: 54px;
  right: 16px;
  padding: 2px 5px;
  color: var(--blue);
  border: 1px solid currentColor;
  font-family: var(--mono);
  font-size: 7px;
}

.file-note {
  margin: 18px 0 0;
  color: rgba(23, 33, 38, 0.5);
  font-family: var(--mono);
  font-size: 8px;
}

.approval-stamp {
  position: absolute;
  right: 18px;
  bottom: 14px;
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: var(--red);
  border: 2px solid var(--red);
  border-radius: 50%;
  font-family: var(--display);
  font-size: 11px;
  font-weight: 600;
  transform: rotate(-10deg) scale(1);
}

.execution-demo.is-running .approval-stamp {
  animation: stamp-in 6.8s var(--ease) both;
}

.desk-core {
  position: relative;
  z-index: 3;
  display: grid;
  aspect-ratio: 1;
  place-items: center;
}

.desk-ring {
  position: absolute;
  inset: 5%;
  border: 1px solid rgba(199, 216, 212, 0.24);
  border-radius: 50%;
}

.desk-ring-outer {
  border-style: dashed;
  animation: rotate-ring 22s linear infinite;
}

.desk-ring-inner {
  inset: 19%;
  border-color: rgba(199, 216, 212, 0.12);
}

.desk-center {
  position: relative;
  z-index: 2;
  display: grid;
  width: 84px;
  height: 84px;
  place-items: center;
  align-content: center;
  color: var(--night);
  border-radius: 50%;
  background: var(--mist);
  box-shadow: 0 0 0 9px rgba(199, 216, 212, 0.07);
}

.desk-center span {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
}

.desk-center strong {
  margin-top: 3px;
  font-family: var(--mono);
  font-size: 7px;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.desk-steps {
  position: absolute;
  top: calc(50% + 62px);
  left: 50%;
  display: flex;
  margin: 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.34);
  font-size: 8px;
  list-style: none;
  transform: translateX(-50%);
}

.desk-steps li {
  white-space: nowrap;
}

.desk-steps li + li::before {
  margin: 0 4px;
  content: "·";
}

.desk-steps i {
  display: inline-block;
  width: 4px;
  height: 4px;
  margin-right: 3px;
  border: 1px solid var(--mist);
  border-radius: 50%;
}

.execution-demo.is-running .desk-steps i {
  animation: step-check 6.8s ease both;
  animation-delay: calc(var(--delay) * 0.5s);
}

.stage-route {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 0;
  width: 100%;
  height: 210px;
  overflow: visible;
  transform: translateY(-50%);
}

.stage-route path {
  fill: none;
  stroke: rgba(199, 216, 212, 0.24);
  stroke-dasharray: 5 8;
  stroke-width: 1;
  animation: route-flow 18s linear infinite;
}

.stage-route circle {
  fill: var(--mist);
  opacity: 0.7;
}

.demo-caption {
  color: rgba(255, 255, 255, 0.34);
}

.demo-caption span:nth-child(2) {
  transform: translateX(4px);
}

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

.section-intro {
  display: grid;
  grid-template-columns: 0.6fr 1.25fr 0.9fr;
  gap: 48px;
}

.section-intro .eyebrow {
  margin-top: 12px;
}

.section-intro h2,
.section-heading h2,
.division-heading h2,
.boundary-copy h2,
.faq-heading h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(38px, 4.2vw, 62px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.23;
}

.section-intro > p:last-child {
  margin: 12px 0 0;
  color: rgba(23, 33, 38, 0.62);
  line-height: 2;
}

.situation-ledger {
  display: grid;
  margin-top: 82px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.situation-ledger article {
  min-height: 208px;
  padding: 28px 34px;
}

.situation-ledger article + article {
  border-left: 1px solid var(--line);
}

.situation-ledger span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
}

.situation-ledger p {
  max-width: 265px;
  margin: 50px 0 0;
  font-family: var(--display);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.65;
}

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

.section-heading {
  display: grid;
  align-items: end;
  grid-template-columns: 1.5fr 0.7fr;
  gap: 60px;
}

.section-heading > p {
  max-width: 300px;
  margin: 0 0 8px auto;
  color: rgba(23, 33, 38, 0.55);
}

.service-ledger {
  margin-top: 72px;
  border-top: 1px solid var(--ink);
}

.service-ledger details {
  border-bottom: 1px solid var(--line);
}

.service-ledger summary {
  display: grid;
  min-height: 112px;
  padding: 0 18px;
  align-items: center;
  cursor: pointer;
  list-style: none;
  grid-template-columns: 0.52fr 1.4fr 0.95fr 22px;
  gap: 26px;
  transition:
    color 220ms ease,
    background-color 220ms ease,
    padding 220ms var(--ease);
}

.service-ledger summary::-webkit-details-marker,
.faq-list summary::-webkit-details-marker {
  display: none;
}

.service-ledger summary:hover,
.service-ledger details[open] summary {
  padding-inline: 28px;
  color: var(--blue);
  background: rgba(199, 216, 212, 0.28);
}

.service-verb {
  font-family: var(--display);
  font-size: clamp(24px, 2.6vw, 36px);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.service-line {
  font-size: 17px;
  font-weight: 600;
}

.service-delivery {
  color: rgba(23, 33, 38, 0.5);
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.6;
}

.summary-plus {
  position: relative;
  width: 18px;
  height: 18px;
}

.summary-plus::before,
.summary-plus::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 1px;
  background: currentColor;
  content: "";
  transform: translate(-50%, -50%);
  transition: transform 220ms ease;
}

.summary-plus::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

details[open] .summary-plus::after {
  transform: translate(-50%, -50%) rotate(0);
}

.service-detail {
  display: grid;
  padding: 0 28px 34px calc(28px + 25%);
  color: rgba(23, 33, 38, 0.62);
  background: rgba(199, 216, 212, 0.28);
  grid-template-columns: 1fr auto;
  gap: 36px;
  animation: detail-open 260ms var(--ease) both;
}

.service-detail p {
  margin: 0;
}

.sample-file {
  display: flex;
  min-width: 300px;
  padding: 12px 14px;
  align-items: center;
  border: 1px solid rgba(49, 95, 120, 0.22);
  background: rgba(255, 255, 255, 0.46);
  font-size: 12px;
}

.sample-file span {
  margin-right: 12px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 8px;
}

.sample-file i {
  margin-left: auto;
  color: rgba(23, 33, 38, 0.4);
  font-size: 10px;
  font-style: normal;
}

.service-cta {
  display: flex;
  margin-top: 32px;
  align-items: center;
  justify-content: flex-end;
  gap: 44px;
}

.service-cta p {
  margin: 0;
  color: rgba(23, 33, 38, 0.48);
  font-size: 13px;
}

.text-link {
  display: inline-flex;
  padding: 0 0 6px;
  align-items: center;
  gap: 22px;
  color: var(--blue);
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.text-link span {
  transition: transform 200ms var(--ease);
}

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

.division {
  position: relative;
  overflow: hidden;
  background: var(--paper-warm);
}

.division::after {
  position: absolute;
  top: -170px;
  right: -120px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(49, 95, 120, 0.1);
  border-radius: 50%;
  content: "";
  box-shadow:
    0 0 0 80px rgba(49, 95, 120, 0.025),
    0 0 0 160px rgba(49, 95, 120, 0.018);
}

.division-shell {
  position: relative;
  z-index: 1;
}

.division-heading {
  display: grid;
  grid-template-columns: 0.5fr 1.5fr;
  gap: 60px;
}

.division-heading .eyebrow {
  margin-top: 12px;
}

.handoff-board {
  display: grid;
  margin-top: 80px;
  align-items: stretch;
  border: 1px solid var(--line);
  background: var(--paper);
  grid-template-columns: 1fr 170px 1fr;
}

.handoff-board article {
  min-height: 245px;
  padding: 42px;
}

.handoff-board article > p {
  margin: 0 0 54px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.handoff-board h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(21px, 2vw, 29px);
  font-weight: 600;
}

.handoff-board article > span {
  display: block;
  margin-top: 17px;
  color: rgba(23, 33, 38, 0.48);
  font-size: 13px;
}

.handoff-mark {
  position: relative;
  display: grid;
  place-items: center;
  align-content: center;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: rgba(199, 216, 212, 0.34);
}

.handoff-mark::before,
.handoff-mark::after {
  position: absolute;
  top: 50%;
  width: 26px;
  height: 1px;
  background: var(--blue);
  content: "";
}

.handoff-mark::before {
  left: -13px;
}

.handoff-mark::after {
  right: -13px;
}

.handoff-mark span {
  color: var(--blue);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.handoff-mark i {
  margin-top: 16px;
  color: var(--blue);
  font-family: var(--display);
  font-size: 28px;
  font-style: normal;
}

.handoff-manxi {
  color: var(--white);
  background: var(--blue);
}

.handoff-board .handoff-manxi > p,
.handoff-board .handoff-manxi > span {
  color: rgba(255, 255, 255, 0.62);
}

.core-promise {
  display: grid;
  max-width: 910px;
  margin: 70px auto 0;
  font-family: var(--display);
  font-size: clamp(24px, 2.8vw, 38px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.65;
  text-align: center;
}

.core-promise span {
  margin-bottom: 18px;
  color: var(--red);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
}

.process {
  color: var(--white);
  background: var(--night);
}

.section-heading.light .eyebrow {
  color: var(--mist);
}

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

.process-track {
  display: grid;
  margin: 82px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  list-style: none;
  counter-reset: none;
  grid-template-columns: repeat(4, 1fr);
}

.process-track li {
  position: relative;
  min-height: 310px;
  padding: 30px;
  transition: background-color 260ms ease;
}

.process-track li + li {
  border-left: 1px solid var(--line-light);
}

.process-track li:hover {
  background: rgba(199, 216, 212, 0.07);
}

.process-track li::before {
  position: absolute;
  top: -5px;
  left: 28px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--night);
  border-radius: 50%;
  background: var(--mist);
  content: "";
}

.process-track span {
  color: var(--mist);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.process-track h3 {
  margin: 88px 0 17px;
  font-family: var(--display);
  font-size: 26px;
  font-weight: 600;
}

.process-track p {
  margin: 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  line-height: 1.9;
}

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

.boundary-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(70px, 10vw, 140px);
}

.boundary-copy h2 {
  font-size: clamp(35px, 3.7vw, 55px);
}

.boundary-copy > p:not(.eyebrow) {
  max-width: 600px;
  margin: 32px 0 0;
  color: rgba(23, 33, 38, 0.62);
  line-height: 2;
}

.boundary-lists {
  border-top: 1px solid var(--ink);
}

.boundary-lists article {
  padding: 28px 0 34px;
  border-bottom: 1px solid var(--line);
}

.boundary-lists h3 {
  display: flex;
  margin: 0;
  align-items: center;
  gap: 12px;
  font-size: 15px;
}

.boundary-lists h3 span {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  color: var(--white);
  border-radius: 50%;
  background: var(--blue);
  font-size: 13px;
}

.boundary-lists ul {
  margin: 24px 0 0;
  padding: 0;
  color: rgba(23, 33, 38, 0.58);
  font-size: 14px;
  list-style: none;
}

.boundary-lists li {
  position: relative;
  margin: 10px 0;
  padding-left: 18px;
}

.boundary-lists li::before {
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 5px;
  height: 1px;
  background: var(--blue);
  content: "";
}

.boundary-lists .not-fit h3 span {
  background: var(--ink);
}

.boundary-lists .not-fit li::before {
  background: var(--ink);
}

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

.faq-grid {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: clamp(70px, 10vw, 145px);
}

.faq-heading h2 {
  font-size: clamp(36px, 3.8vw, 54px);
}

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

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  min-height: 86px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  list-style: none;
}

.faq-list summary span {
  color: var(--blue);
  font-size: 23px;
  font-weight: 300;
  transition: transform 220ms ease;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 620px;
  margin: -5px 50px 28px 0;
  color: rgba(23, 33, 38, 0.58);
  line-height: 1.9;
  animation: detail-open 260ms var(--ease) both;
}

.closing {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--blue);
}

.closing-grid {
  opacity: 0.36;
  mask-image: radial-gradient(circle at center, black, transparent 76%);
}

.closing-shell {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 660px;
  padding-block: 120px;
  place-items: center;
  align-content: center;
  text-align: center;
}

.closing .eyebrow {
  color: var(--mist);
}

.closing h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(52px, 6.8vw, 92px);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1.15;
}

.closing-shell > p:not(.eyebrow) {
  max-width: 620px;
  margin: 34px 0 0;
  color: rgba(255, 255, 255, 0.66);
}

.button-paper {
  margin-top: 38px;
  color: var(--night);
  background: var(--paper);
}

.button-paper:hover {
  box-shadow: 0 16px 40px rgba(11, 34, 48, 0.18);
}

.site-footer {
  color: rgba(255, 255, 255, 0.7);
  background: #071923;
}

.footer-main {
  display: grid;
  min-height: 230px;
  padding-block: 55px;
  align-items: center;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand {
  color: var(--white);
}

.footer-main > p {
  margin: 0;
  font-family: var(--display);
  font-size: 18px;
  text-align: center;
}

.footer-main nav {
  display: flex;
  justify-content: flex-end;
  gap: 20px;
  font-size: 12px;
}

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

.footer-bottom {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.footer-bottom a:hover {
  color: var(--white);
}

.brief-dialog {
  width: min(760px, calc(100vw - 32px));
  max-height: min(860px, calc(100vh - 32px));
  padding: 0;
  color: var(--ink);
  border: 0;
  background: var(--paper);
  box-shadow: 0 30px 120px rgba(0, 0, 0, 0.32);
}

.brief-dialog::backdrop {
  background: rgba(4, 15, 22, 0.74);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.brief-dialog[open] {
  animation: dialog-in 360ms var(--ease) both;
}

.dialog-shell {
  position: relative;
  padding: clamp(34px, 6vw, 64px);
}

.dialog-close {
  position: absolute;
  top: 18px;
  right: 18px;
  display: grid;
  width: 40px;
  height: 40px;
  padding: 0;
  place-items: center;
  color: rgba(23, 33, 38, 0.55);
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
}

.dialog-close:hover {
  color: var(--white);
  background: var(--ink);
}

.dialog-heading h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(32px, 5vw, 48px);
  letter-spacing: -0.04em;
}

.dialog-heading > p:last-child {
  max-width: 560px;
  margin: 16px 0 0;
  color: rgba(23, 33, 38, 0.56);
  font-size: 13px;
}

.brief-form {
  display: grid;
  margin-top: 36px;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.brief-form label {
  display: grid;
  gap: 8px;
}

.brief-form label > span {
  font-size: 12px;
  font-weight: 600;
}

.brief-form input,
.brief-form textarea,
.brief-form select,
.brief-result textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 0;
  outline: none;
  background: rgba(255, 255, 255, 0.58);
  font-size: 14px;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.brief-form input,
.brief-form select {
  min-height: 49px;
}

.brief-form textarea {
  resize: vertical;
}

.brief-form input:focus,
.brief-form textarea:focus,
.brief-form select:focus,
.brief-result textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(49, 95, 120, 0.1);
}

.wide-field {
  grid-column: 1 / -1;
}

.brief-form .button {
  width: 100%;
  margin-top: 4px;
}

.brief-result {
  margin-top: 36px;
}

.brief-result > div:first-child {
  display: flex;
  margin-bottom: 14px;
  align-items: center;
  justify-content: space-between;
}

.brief-result > div:first-child p {
  margin: 0;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 600;
}

.brief-result textarea {
  min-height: 190px;
  resize: none;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.8;
}

.brief-result > .button {
  width: 100%;
  margin-top: 16px;
}

.copy-status {
  min-height: 24px;
  margin: 8px 0 0;
  color: var(--blue);
  font-size: 12px;
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 760ms var(--ease),
    transform 760ms var(--ease);
}

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

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes demo-in {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes breathe {
  0%,
  100% {
    opacity: 0.65;
    transform: scale(0.96);
  }
  50% {
    opacity: 1;
    transform: scale(1.03);
  }
}

@keyframes status-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(199, 216, 212, 0.35);
  }
  70%,
  100% {
    box-shadow: 0 0 0 7px rgba(199, 216, 212, 0);
  }
}

@keyframes paper-in {
  0% {
    opacity: 0;
    transform: translateX(-34px) rotate(-3deg);
  }
  14%,
  83% {
    opacity: 1;
    transform: translateX(0) rotate(-1.6deg);
  }
  100% {
    opacity: 0.82;
    transform: translateX(8px) rotate(-1deg);
  }
}

@keyframes paper-out {
  0%,
  50% {
    opacity: 0;
    transform: translateX(-20px) rotate(-1deg);
  }
  68%,
  100% {
    opacity: 1;
    transform: translateX(0) rotate(1.2deg);
  }
}

@keyframes stamp-in {
  0%,
  68% {
    opacity: 0;
    transform: rotate(-10deg) scale(1.7);
  }
  76%,
  100% {
    opacity: 1;
    transform: rotate(-10deg) scale(1);
  }
}

@keyframes step-check {
  0%,
  35% {
    background: transparent;
  }
  48%,
  100% {
    background: var(--mist);
  }
}

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

@keyframes route-flow {
  to {
    stroke-dashoffset: -130px;
  }
}

@keyframes detail-open {
  from {
    opacity: 0;
    transform: translateY(-7px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 1080px) {
  .hero {
    min-height: auto;
  }

  .hero-layout {
    min-height: auto;
    padding-top: 160px;
    padding-bottom: 90px;
    grid-template-columns: 1fr;
  }

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

  .hero h1 {
    font-size: clamp(64px, 9vw, 96px);
  }

  .hero-lead {
    max-width: 660px;
  }

  .execution-demo {
    width: min(760px, 100%);
    min-height: 560px;
    margin-left: auto;
  }

  .section-intro {
    grid-template-columns: 0.55fr 1.45fr;
  }

  .section-intro > p:last-child {
    grid-column: 2;
  }

  .service-ledger summary {
    grid-template-columns: 0.5fr 1.35fr 0.8fr 22px;
  }

  .service-detail {
    padding-left: 28px;
  }

  .boundary-grid {
    gap: 70px;
  }

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

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

@media (max-width: 820px) {
  :root {
    --shell: min(100% - 36px, 680px);
  }

  .site-header {
    background: rgba(11, 34, 48, 0.88);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .nav-shell {
    min-height: 70px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .brand-copy small {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .site-nav {
    position: absolute;
    top: 70px;
    right: 0;
    left: 0;
    display: grid;
    max-height: 0;
    overflow: hidden;
    padding: 0 18px;
    align-items: stretch;
    gap: 0;
    background: rgba(11, 34, 48, 0.98);
    opacity: 0;
    visibility: hidden;
    transition:
      max-height 360ms var(--ease),
      opacity 220ms ease,
      padding 360ms var(--ease),
      visibility 0s 360ms;
  }

  .site-nav.is-open {
    max-height: 420px;
    padding-block: 14px 24px;
    opacity: 1;
    visibility: visible;
    transition-delay: 0s;
  }

  .site-nav a {
    padding: 15px 2px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
    opacity: 0.8;
  }

  .site-nav a::after {
    display: none;
  }

  .nav-cta {
    margin-top: 14px;
  }

  .hero-layout {
    padding-top: 132px;
    gap: 72px;
  }

  .hero h1 {
    font-size: clamp(52px, 12vw, 78px);
  }

  .execution-demo {
    margin: 0;
  }

  .section-intro,
  .division-heading,
  .boundary-grid,
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .section-intro > p:last-child {
    grid-column: auto;
  }

  .section-intro .eyebrow,
  .division-heading .eyebrow {
    margin-top: 0;
  }

  .situation-ledger {
    grid-template-columns: 1fr;
  }

  .situation-ledger article {
    display: grid;
    min-height: auto;
    padding: 26px 0;
    align-items: start;
    grid-template-columns: 56px 1fr;
  }

  .situation-ledger article + article {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .situation-ledger p {
    max-width: none;
    margin: 0;
  }

  .section-heading {
    align-items: start;
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .section-heading > p {
    max-width: 500px;
    margin: 0;
  }

  .service-ledger summary {
    min-height: 102px;
    padding: 18px 8px;
    grid-template-columns: 0.45fr 1fr 22px;
    gap: 16px;
  }

  .service-ledger summary:hover,
  .service-ledger details[open] summary {
    padding-inline: 14px;
  }

  .service-delivery {
    display: none;
  }

  .service-detail {
    padding: 0 14px 28px;
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .sample-file {
    min-width: 0;
  }

  .service-cta {
    justify-content: space-between;
  }

  .handoff-board {
    grid-template-columns: 1fr;
  }

  .handoff-board article {
    min-height: auto;
  }

  .handoff-mark {
    min-height: 100px;
    border: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .handoff-mark::before,
  .handoff-mark::after {
    top: auto;
    right: auto;
    left: 50%;
    width: 1px;
    height: 18px;
  }

  .handoff-mark::before {
    top: -9px;
  }

  .handoff-mark::after {
    bottom: -9px;
  }

  .handoff-mark i {
    margin-top: 6px;
    transform: rotate(90deg);
  }

  .process-track {
    border-bottom: 0;
    grid-template-columns: 1fr 1fr;
  }

  .process-track li:nth-child(3) {
    border-left: 0;
  }

  .process-track li:nth-child(n + 3) {
    border-top: 1px solid var(--line-light);
  }

  .process-track li:nth-child(n + 3)::before {
    top: -5px;
  }

  .boundary-grid,
  .faq-grid {
    gap: 60px;
  }
}

@media (max-width: 600px) {
  :root {
    --shell: calc(100vw - 32px);
  }

  .section-pad {
    padding-block: 82px;
  }

  .hero-layout {
    padding-top: 120px;
    padding-bottom: 64px;
  }

  .hero h1 {
    font-size: clamp(42px, 12vw, 58px);
    line-height: 1.17;
  }

  .hero-lead {
    margin-top: 28px;
    font-size: 15px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .promise-list {
    flex-wrap: wrap;
    gap: 8px 0;
  }

  .execution-demo {
    min-height: auto;
    padding: 14px;
  }

  .demo-topline span:first-child {
    max-width: 150px;
  }

  .stage-tabs {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(4, 1fr);
  }

  .stage-tabs button {
    padding-inline: 4px;
  }

  .stage-workspace {
    min-height: 520px;
    padding: 28px 14px;
    align-content: center;
    grid-template-columns: 1fr 72px 1fr;
    gap: 7px;
  }

  .stage-workspace::before {
    inset: 24px 0;
  }

  .stage-paper {
    min-height: 202px;
    padding: 12px;
  }

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

  .stage-paper h2 {
    min-height: 48px;
    font-size: 16px;
  }

  .stage-paper dl div {
    grid-template-columns: 1fr;
  }

  .stage-paper dt {
    display: none;
  }

  .file-icon {
    top: 43px;
  }

  .file-note {
    display: none;
  }

  .approval-stamp {
    right: 12px;
    bottom: 12px;
    width: 45px;
    height: 45px;
    font-size: 10px;
  }

  .desk-center {
    width: 66px;
    height: 66px;
  }

  .desk-center span {
    font-size: 15px;
  }

  .desk-ring {
    inset: 0;
  }

  .desk-ring-inner {
    inset: 12%;
  }

  .desk-steps {
    top: calc(50% + 51px);
    flex-direction: column;
  }

  .desk-steps li + li::before {
    display: none;
  }

  .stage-route {
    display: none;
  }

  .demo-caption span:nth-child(2) {
    display: none;
  }

  .section-intro h2,
  .section-heading h2,
  .division-heading h2,
  .boundary-copy h2,
  .faq-heading h2 {
    font-size: clamp(35px, 11vw, 48px);
  }

  .situation-ledger {
    margin-top: 52px;
  }

  .situation-ledger p {
    font-size: 17px;
  }

  .service-ledger {
    margin-top: 48px;
  }

  .service-ledger summary {
    grid-template-columns: 0.52fr 1fr 18px;
  }

  .service-line {
    font-size: 14px;
    line-height: 1.6;
  }

  .service-cta {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .handoff-board {
    margin-top: 52px;
  }

  .handoff-board article {
    padding: 30px 24px;
  }

  .handoff-board article > p {
    margin-bottom: 36px;
  }

  .core-promise {
    margin-top: 52px;
    font-size: 23px;
  }

  .process-track {
    margin-top: 52px;
    grid-template-columns: 1fr;
  }

  .process-track li,
  .process-track li:nth-child(3) {
    min-height: 240px;
    border-top: 1px solid var(--line-light);
    border-left: 0;
  }

  .process-track li:first-child {
    border-top: 0;
  }

  .process-track h3 {
    margin-top: 58px;
  }

  .closing-shell {
    min-height: 610px;
  }

  .closing h2 {
    font-size: clamp(48px, 15vw, 70px);
  }

  .footer-main {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .footer-main nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .footer-bottom {
    min-height: 90px;
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
  }

  .dialog-shell {
    padding: 52px 22px 28px;
  }

  .brief-form {
    grid-template-columns: 1fr;
  }

  .wide-field {
    grid-column: auto;
  }

  .brief-result > div:first-child {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
}

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

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

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

  .stage-input,
  .stage-output,
  .approval-stamp {
    opacity: 1;
  }
}