:root {
  --ink: #071012;
  --ink-2: #101b1d;
  --paper: #f0f1ed;
  --white: #fbfcf8;
  --muted: #5d6868;
  --line: rgba(7, 16, 18, 0.18);
  --line-light: rgba(255, 255, 255, 0.18);
  --cyan: #31d7d0;
  --cyan-pale: #bdecea;
  --orange: #ff5b35;
  --signal: #d9ff67;
  --content: 1240px;
  --serif: "Songti SC", STSong, "Noto Serif CJK SC", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 78px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

button,
input,
textarea,
select {
  font: inherit;
  letter-spacing: 0;
}

button {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  transform: translateY(-160%);
  border: 1px solid var(--ink);
  background: var(--signal);
  padding: 10px 14px;
  color: var(--ink);
  font-weight: 800;
}

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

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

.section-inner {
  width: min(var(--content), calc(100% - 64px));
  margin: 0 auto;
}

.section-band {
  position: relative;
  width: 100%;
  padding: 128px 0;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 16, 18, 0.28);
  color: var(--white);
  backdrop-filter: blur(12px);
  transition: background 220ms ease, border-color 220ms ease;
}

.site-header.is-scrolled,
body.nav-open .site-header {
  border-color: var(--line-light);
  background: rgba(7, 16, 18, 0.94);
}

.header-inner {
  display: flex;
  width: min(var(--content), calc(100% - 64px));
  height: 68px;
  margin: 0 auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  min-width: max-content;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  display: block;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
}

.brand-name {
  color: var(--white);
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 800;
}

.brand-name span {
  color: rgba(255, 255, 255, 0.48);
  font-weight: 500;
}

.brand-tag {
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  margin-left: 5px;
  padding-left: 16px;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
}

.desktop-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: 30px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
  font-weight: 650;
}

.desktop-nav a {
  position: relative;
  padding: 8px 0;
  transition: color 180ms ease;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--cyan);
  content: "";
  transition: transform 180ms ease;
}

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

.desktop-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 28px;
  border-left: 1px solid var(--line-light);
  margin-left: 8px;
  padding-left: 24px;
  color: var(--white);
  font-size: 13px;
  font-weight: 750;
}

.header-cta b {
  color: var(--cyan);
  font-size: 18px;
  font-weight: 400;
  transition: transform 180ms ease;
}

.header-cta:hover b {
  transform: translate(2px, -2px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-light);
  background: transparent;
  padding: 11px 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  margin: 6px 0;
  background: var(--white);
  transition: transform 180ms ease;
}

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

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

.mobile-nav {
  position: fixed;
  top: 68px;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 39;
  display: grid;
  align-content: start;
  background: var(--ink);
  padding: 24px 32px;
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a {
  display: grid;
  grid-template-columns: 42px 1fr;
  border-bottom: 1px solid var(--line-light);
  padding: 18px 0;
  color: var(--white);
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 700;
}

.mobile-nav a > span {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 10px;
}

.mobile-nav .mobile-nav-cta {
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  border: 0;
  background: var(--orange);
  margin-top: 24px;
  padding: 0 18px;
  font-family: var(--sans);
  font-size: 15px;
}

.hero {
  position: relative;
  height: calc(100svh - 48px);
  min-height: 640px;
  max-height: 860px;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.hero-image {
  position: absolute;
  inset: -2%;
  width: 104%;
  height: 104%;
  object-fit: cover;
  object-position: 58% center;
  filter: saturate(0.7) contrast(1.12);
  transform: translate3d(var(--hero-x, 0), var(--hero-y, 0), 0) scale(1.035);
  transition: transform 1200ms cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: transform;
}

.hero-tone {
  position: absolute;
  inset: 0;
  background: rgba(3, 12, 15, 0.68);
}

.hero-grid {
  position: absolute;
  inset: 68px 0 0;
  width: min(var(--content), calc(100% - 64px));
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  margin: 0 auto;
  pointer-events: none;
}

.hero-grid::before,
.hero-grid::after {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
  content: "";
}

.hero-grid::before {
  left: 66.666%;
}

.hero-grid::after {
  left: 8.333%;
}

.hero-word {
  position: absolute;
  right: -24px;
  bottom: -46px;
  color: transparent;
  font-family: Arial, sans-serif;
  font-size: 230px;
  font-weight: 900;
  line-height: 0.8;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(var(--content), calc(100% - 64px));
  height: 100%;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
  margin: 0 auto;
  padding: 118px 0 38px;
  align-items: center;
}

.hero-copy {
  grid-column: 1 / span 8;
}

.eyebrow,
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  color: #b54228;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 750;
  text-transform: uppercase;
}

.eyebrow {
  color: rgba(255, 255, 255, 0.62);
}

.eyebrow > span {
  display: block;
  width: 28px;
  height: 1px;
  background: var(--cyan);
}

.kicker i {
  color: var(--orange);
  font-style: normal;
}

.hero h1 {
  display: grid;
  max-width: 780px;
  margin: 20px 0 0;
  color: var(--white);
  font-size: 88px;
  font-weight: 400;
  line-height: 0.91;
  overflow-wrap: anywhere;
}

.hero h1 span,
.hero h1 em {
  font-family: var(--serif);
  font-style: normal;
  font-weight: 700;
}

.hero h1 strong {
  color: var(--cyan);
  font-family: Arial, sans-serif;
  font-size: 0.88em;
  font-weight: 800;
}

.hero h1 em {
  padding-left: 82px;
}

.hero-lead {
  max-width: 650px;
  margin: 22px 0 0 84px;
  border-left: 1px solid var(--cyan);
  padding-left: 22px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 16px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0 84px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  border: 1px solid transparent;
  border-radius: 0;
  padding: 0 18px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 750;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.button b {
  font-size: 17px;
  font-weight: 400;
  transition: transform 180ms ease;
}

.button:hover b {
  transform: translate(2px, -2px);
}

.button-primary {
  min-width: 240px;
  background: var(--orange);
  color: var(--white);
}

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

.button-ghost {
  min-width: 190px;
  border-color: var(--line-light);
  background: rgba(7, 16, 18, 0.5);
  color: var(--white);
}

.button-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.hero-index {
  align-self: end;
  grid-column: 10 / span 3;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  margin-bottom: 22px;
}

.index-head {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-light);
  padding: 11px 0;
  color: rgba(255, 255, 255, 0.44);
  font-family: var(--mono);
  font-size: 8px;
  text-transform: uppercase;
}

.hero-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-index li {
  display: grid;
  grid-template-columns: 38px 1fr;
  border-bottom: 1px solid var(--line-light);
  padding: 14px 0;
}

.hero-index li > span {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 9px;
}

.hero-index strong,
.hero-index small {
  display: block;
}

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

.hero-index small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.46);
  font-size: 10px;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-top: 14px;
  color: rgba(255, 255, 255, 0.38);
  font-family: var(--mono);
  font-size: 8px;
}

.system-status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(217, 255, 103, 0.12);
  animation: status-pulse 2.2s ease-in-out infinite;
}

@keyframes status-pulse {
  50% { opacity: 0.45; }
}

.integration-strip {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.integration-inner {
  display: grid;
  min-height: 104px;
  grid-template-columns: 210px 1fr;
  align-items: center;
}

.integration-label {
  display: grid;
  gap: 4px;
  border-right: 1px solid var(--line);
}

.integration-label span {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.integration-label strong {
  font-size: 13px;
}

.integration-inner ul {
  display: flex;
  min-width: 0;
  margin: 0;
  padding: 0 0 0 38px;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}

.integration-inner li {
  color: #3c4747;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.section-heading h2,
.architecture h2,
.contact h2 {
  margin: 18px 0 0;
  font-family: var(--serif);
  font-size: 56px;
  font-weight: 700;
  line-height: 1.14;
  overflow-wrap: anywhere;
}

.section-heading h2 em,
.architecture h2 em,
.contact h2 em {
  color: var(--orange);
  font-style: normal;
}

.section-heading p,
.architecture-copy > p,
.contact-inner > div > p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.section-heading-wide {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.55fr);
  gap: 72px;
  align-items: end;
  margin-bottom: 64px;
}

.section-heading-wide p {
  margin: 0;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

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

.positioning-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 94px;
  align-items: start;
}

.section-heading-sticky {
  position: sticky;
  top: 108px;
}

.statement {
  max-width: 790px;
  margin: 0 0 56px;
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.62;
}

.statement::first-letter {
  color: var(--orange);
  font-family: var(--serif);
  font-size: 2.3em;
  line-height: 0.7;
}

.comparison {
  border-top: 2px solid var(--ink);
}

.comparison-row {
  display: grid;
  grid-template-columns: 0.65fr 0.8fr 1.25fr;
  gap: 22px;
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  align-items: center;
}

.comparison-row span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.comparison-row span:last-child {
  color: #08756f;
  font-weight: 750;
}

.comparison-row strong {
  font-size: 13px;
}

.comparison-head span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.comparison-head span:last-child {
  color: var(--muted);
}

.editorial-note {
  display: flex;
  margin: 36px 0 0;
  align-items: center;
  gap: 20px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
}

.editorial-note span {
  background: var(--signal);
  padding: 7px 10px;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
}

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

.capability-gallery {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.capability-card {
  position: relative;
  display: grid;
  min-height: 440px;
  overflow: hidden;
  grid-template-columns: 110px 1fr;
  border: 1px solid var(--line);
  padding: 28px;
  transition: transform 260ms ease, border-color 260ms ease;
}

.capability-card:nth-child(1),
.capability-card:nth-child(4) {
  grid-column: span 7;
}

.capability-card:nth-child(2),
.capability-card:nth-child(3) {
  grid-column: span 5;
}

.capability-card:hover {
  transform: translateY(-5px);
  border-color: currentColor;
}

.card-number {
  align-self: start;
  color: currentColor;
  font-family: Arial, sans-serif;
  font-size: 72px;
  font-weight: 800;
  line-height: 0.8;
  opacity: 0.18;
}

.card-content {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.card-category {
  align-self: flex-start;
  border-bottom: 1px solid currentColor;
  padding-bottom: 7px;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
}

.capability-card h3 {
  margin: 50px 0 18px;
  font-family: var(--serif);
  font-size: 40px;
  line-height: 1.12;
}

.capability-card p {
  max-width: 520px;
  margin: 0;
  color: inherit;
  font-size: 14px;
  line-height: 1.75;
  opacity: 0.7;
}

.capability-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: auto 0 0;
  padding: 30px 0 0;
  list-style: none;
}

.capability-card li {
  border-left: 1px solid currentColor;
  padding: 0 12px;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  opacity: 0.7;
}

.capability-card li:first-child {
  border-left: 0;
  padding-left: 0;
}

.capability-card-dark {
  background: var(--ink);
  color: var(--white);
}

.capability-card-cyan {
  background: var(--cyan-pale);
  color: var(--ink);
}

.capability-card-paper {
  background: var(--white);
  color: var(--ink);
}

.capability-card-orange {
  background: var(--orange);
  color: var(--ink);
}

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

.architecture-grid-art {
  position: absolute;
  top: 0;
  right: 8%;
  bottom: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: -180px 0 rgba(255, 255, 255, 0.05), -360px 0 rgba(255, 255, 255, 0.05), -540px 0 rgba(255, 255, 255, 0.05);
}

.architecture-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 88px;
  align-items: center;
}

.kicker-light {
  color: var(--cyan);
}

.architecture h2 em {
  color: var(--cyan);
}

.architecture-copy > p {
  max-width: 500px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.57);
}

.text-link {
  display: flex;
  width: min(320px, 100%);
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  margin-top: 38px;
  color: var(--white);
  font-size: 13px;
  font-weight: 750;
}

.text-link b {
  color: var(--cyan);
  font-size: 18px;
  font-weight: 400;
  transition: transform 180ms ease;
}

.text-link:hover b {
  transform: translate(2px, -2px);
}

.architecture-visual {
  border: 1px solid var(--line-light);
  background: rgba(255, 255, 255, 0.025);
  padding: 16px;
}

.architecture-caption {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-light);
  padding: 0 2px 14px;
  color: rgba(255, 255, 255, 0.4);
  font-family: var(--mono);
  font-size: 8px;
  text-transform: uppercase;
}

.architecture-map {
  padding: 22px 20px 8px;
}

.map-layer {
  position: relative;
  display: grid;
  min-height: 86px;
  grid-template-columns: 50px 1fr 20px;
  gap: 18px;
  border-bottom: 1px solid var(--line-light);
  padding: 17px 14px;
  align-items: center;
}

.map-layer::before {
  position: absolute;
  top: 50%;
  right: -20px;
  width: 20px;
  height: 1px;
  background: rgba(255, 255, 255, 0.24);
  content: "";
}

.map-layer-accent {
  border-color: var(--orange);
  background: var(--orange);
  color: var(--ink);
}

.map-index {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
}

.map-layer-accent .map-index {
  color: var(--ink);
}

.map-layer strong {
  font-size: 16px;
}

.map-layer p {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.47);
  font-size: 11px;
  line-height: 1.55;
}

.map-layer-accent p {
  color: rgba(7, 16, 18, 0.68);
}

.map-layer > i {
  width: 8px;
  height: 8px;
  border: 1px solid currentColor;
  transform: rotate(45deg);
}

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

.scenario-list {
  border-top: 2px solid var(--ink);
}

.scenario-row {
  display: grid;
  min-height: 138px;
  grid-template-columns: 72px minmax(250px, 0.7fr) minmax(320px, 1fr) 56px;
  gap: 30px;
  border-bottom: 1px solid var(--line);
  padding: 30px 18px 30px 0;
  align-items: center;
  transition: background 220ms ease, padding 220ms ease;
}

.scenario-row:hover {
  background: var(--cyan-pale);
  padding-left: 18px;
}

.scenario-number {
  color: var(--orange);
  font-family: Arial, sans-serif;
  font-size: 36px;
  font-weight: 800;
}

.scenario-label {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
}

.scenario-row h3 {
  margin: 8px 0 0;
  font-family: var(--serif);
  font-size: 24px;
}

.scenario-row p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.scenario-row a {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid var(--line);
  font-size: 20px;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.scenario-row a:hover {
  transform: translate(2px, -2px);
  background: var(--ink);
  color: var(--white);
}

.security {
  overflow: hidden;
  background: var(--signal);
}

.security-word {
  position: absolute;
  right: -18px;
  bottom: -54px;
  color: transparent;
  font-family: Arial, sans-serif;
  font-size: 220px;
  font-weight: 900;
  line-height: 0.8;
  -webkit-text-stroke: 1px rgba(7, 16, 18, 0.15);
  pointer-events: none;
}

.security-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 96px;
  align-items: start;
}

.security .section-heading p {
  max-width: 420px;
  margin: 24px 0 0;
  color: rgba(7, 16, 18, 0.64);
}

.security-list {
  border-top: 2px solid var(--ink);
}

.security-list article {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 20px;
  border-bottom: 1px solid rgba(7, 16, 18, 0.25);
  padding: 24px 0;
}

.security-list article > span {
  color: #9d351f;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
}

.security-list h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 20px;
}

.security-list p {
  margin: 8px 0 0;
  color: rgba(7, 16, 18, 0.62);
  font-size: 13px;
  line-height: 1.65;
}

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

.delivery-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 0;
  list-style: none;
}

.delivery-steps > li {
  position: relative;
  min-width: 0;
  min-height: 370px;
  border-right: 1px solid var(--line);
  padding: 28px 24px;
  transition: background 200ms ease, color 200ms ease;
}

.delivery-steps > li:last-child {
  border-right: 0;
}

.delivery-steps > li:hover {
  background: var(--ink);
  color: var(--white);
}

.step-number {
  display: block;
  color: var(--orange);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
}

.delivery-steps > li > div {
  margin-top: 72px;
}

.delivery-steps strong,
.delivery-steps em {
  display: block;
}

.delivery-steps strong {
  font-family: var(--serif);
  font-size: 24px;
}

.delivery-steps em {
  margin-top: 7px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  font-style: normal;
  text-transform: uppercase;
}

.delivery-steps p {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.delivery-steps small {
  position: absolute;
  right: 24px;
  bottom: 28px;
  left: 24px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  text-transform: uppercase;
}

.delivery-steps > li:hover em,
.delivery-steps > li:hover p,
.delivery-steps > li:hover small {
  color: rgba(255, 255, 255, 0.56);
}

.delivery-steps > li:hover small {
  border-color: var(--line-light);
}

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

.faq-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 94px;
  align-items: start;
}

.faq-list {
  border-top: 2px solid var(--ink);
}

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

.faq-list summary {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  cursor: pointer;
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  list-style: none;
}

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

.faq-list summary span {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  place-items: center;
  border: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 19px;
  font-weight: 400;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

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

.faq-list details p {
  max-width: 700px;
  margin: -2px 58px 28px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.contact {
  min-height: 610px;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.contact-type {
  position: absolute;
  left: -12px;
  bottom: -30px;
  color: transparent;
  font-family: Arial, sans-serif;
  font-size: 196px;
  font-weight: 900;
  line-height: 0.8;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.contact-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 0.7fr;
  gap: 90px;
  align-items: end;
}

.contact h2 {
  max-width: 760px;
  font-size: 62px;
}

.contact h2 em {
  color: var(--cyan);
}

.contact-inner > div > p {
  max-width: 640px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.54);
}

.contact-actions {
  display: grid;
  border-top: 1px solid var(--line-light);
}

.contact-link {
  display: flex;
  width: 100%;
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  border: 0;
  border-bottom: 1px solid var(--line-light);
  background: transparent;
  padding: 0;
  color: var(--white);
  cursor: pointer;
  text-align: left;
  transition: color 180ms ease, padding 180ms ease;
}

.contact-link:hover {
  padding: 0 12px;
  color: var(--cyan);
}

.contact-link span {
  font-size: 19px;
  font-weight: 750;
}

.contact-link small {
  display: block;
  margin-bottom: 7px;
  color: rgba(255, 255, 255, 0.4);
  font-family: var(--mono);
  font-size: 8px;
  text-transform: uppercase;
}

.contact-link b {
  font-size: 22px;
  font-weight: 400;
}

.copy-status {
  min-height: 20px;
  margin: 12px 0 0;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 9px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 70;
  max-width: calc(100vw - 40px);
  transform: translateY(18px);
  border: 1px solid var(--line-light);
  background: var(--ink);
  padding: 13px 17px;
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

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

.site-footer {
  background: #030809;
  color: var(--white);
  padding: 58px 0 22px;
}

.footer-main {
  display: grid;
  grid-template-columns: 230px 1fr auto;
  gap: 40px;
  align-items: center;
}

.footer-main > p {
  max-width: 440px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
  line-height: 1.7;
}

.footer-links {
  display: flex;
  gap: 26px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
}

.footer-links a:hover {
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  margin-top: 44px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255, 255, 255, 0.28);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.footer-filing {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  padding-left: 20px;
  color: rgba(255, 255, 255, 0.52);
  transition: color 160ms ease;
}

.footer-filing span {
  color: rgba(255, 255, 255, 0.28);
}

.footer-filing strong {
  font-weight: 500;
}

.footer-filing:hover {
  color: var(--cyan);
}

@media (max-width: 1100px) {
  .brand-tag {
    display: none;
  }

  .desktop-nav {
    gap: 19px;
  }

  .hero h1 {
    font-size: 76px;
  }

  .hero-index {
    grid-column: 9 / span 4;
  }

  .capability-card {
    grid-template-columns: 82px 1fr;
  }

  .card-number {
    font-size: 56px;
  }

  .scenario-row {
    grid-template-columns: 58px minmax(210px, 0.7fr) minmax(260px, 1fr) 48px;
    gap: 20px;
  }
}

@media (max-width: 900px) {
  .section-band {
    padding: 96px 0;
  }

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

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .hero {
    height: auto;
    min-height: 760px;
    max-height: none;
  }

  .hero-inner {
    min-height: 760px;
    padding-top: 126px;
    padding-bottom: 36px;
  }

  .hero-copy {
    grid-column: 1 / span 10;
    align-self: center;
  }

  .hero h1 {
    font-size: 68px;
  }

  .hero-index {
    grid-column: 8 / span 5;
  }

  .hero-word {
    font-size: 170px;
  }

  .integration-inner {
    grid-template-columns: 180px 1fr;
  }

  .integration-inner ul {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 12px 24px;
  }

  .positioning-grid,
  .architecture-grid,
  .security-grid,
  .faq-grid,
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .section-heading-sticky {
    position: static;
  }

  .section-heading-wide {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .section-heading h2,
  .architecture h2,
  .contact h2 {
    font-size: 48px;
  }

  .capability-card {
    min-height: 400px;
    grid-column: span 6 !important;
    grid-template-columns: 64px 1fr;
  }

  .capability-card h3 {
    font-size: 34px;
  }

  .scenario-row {
    grid-template-columns: 58px 1fr 48px;
  }

  .scenario-row > p {
    grid-column: 2 / 4;
  }

  .delivery-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .delivery-steps > li:nth-child(2) {
    border-right: 0;
  }

  .delivery-steps > li:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .contact {
    min-height: auto;
  }

  .footer-main {
    grid-template-columns: 200px 1fr;
  }

  .footer-links {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .section-inner,
  .header-inner,
  .hero-inner,
  .hero-grid {
    width: calc(100% - 32px);
  }

  .section-band {
    padding: 76px 0;
  }

  .header-inner {
    height: 64px;
  }

  .mobile-nav {
    top: 64px;
    padding-right: 16px;
    padding-left: 16px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
  }

  .brand-name {
    font-size: 18px;
  }

  .hero {
    min-height: 780px;
  }

  .hero-image {
    object-position: 66% center;
  }

  .hero-tone {
    background: rgba(3, 12, 15, 0.74);
  }

  .hero-grid {
    top: 64px;
  }

  .hero-grid::before {
    left: 75%;
  }

  .hero-inner {
    min-height: 780px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    padding: 108px 0 26px;
    align-content: start;
  }

  .hero-copy {
    grid-column: 1 / -1;
  }

  .eyebrow {
    font-size: 8px;
  }

  .hero h1 {
    margin-top: 18px;
    font-size: 53px;
    line-height: 0.96;
  }

  .hero h1 em {
    padding-left: 38px;
  }

  .hero-lead {
    margin: 22px 0 0 39px;
    padding-left: 16px;
    font-size: 14px;
    line-height: 1.7;
  }

  .hero-actions {
    display: grid;
    margin: 24px 0 0 39px;
  }

  .button {
    width: 100%;
    min-width: 0;
  }

  .hero-index {
    align-self: end;
    grid-column: 1 / -1;
    margin: 30px 0 0 39px;
  }

  .hero-index ol {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-index li {
    display: block;
    border-right: 1px solid var(--line-light);
    padding: 12px 8px;
  }

  .hero-index li:first-child {
    padding-left: 0;
  }

  .hero-index li:last-child {
    border-right: 0;
  }

  .hero-index li > span {
    display: block;
    margin-bottom: 8px;
  }

  .hero-index strong {
    font-size: 11px;
  }

  .hero-index small {
    font-size: 8px;
  }

  .hero-word {
    right: -12px;
    bottom: 4px;
    font-size: 92px;
  }

  .integration-inner {
    display: block;
    padding-top: 22px;
    padding-bottom: 22px;
  }

  .integration-label {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding-bottom: 14px;
  }

  .integration-inner ul {
    gap: 12px 20px;
    padding: 16px 0 0;
  }

  .integration-inner li {
    font-size: 10px;
  }

  .section-heading h2,
  .architecture h2,
  .contact h2 {
    font-size: 40px;
  }

  .statement {
    margin-bottom: 38px;
    font-size: 23px;
  }

  .comparison-row {
    grid-template-columns: 0.75fr 0.85fr 1.2fr;
    gap: 10px;
    padding: 17px 0;
  }

  .comparison-row span,
  .comparison-row strong {
    font-size: 10px;
  }

  .comparison-head span {
    font-size: 7px;
  }

  .editorial-note {
    align-items: flex-start;
    font-size: 15px;
  }

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

  .capability-card {
    min-height: 390px;
    grid-column: 1 !important;
    grid-template-columns: 58px 1fr;
    padding: 22px;
  }

  .card-number {
    font-size: 44px;
  }

  .capability-card h3 {
    margin-top: 44px;
    font-size: 32px;
  }

  .capability-card li {
    padding-right: 8px;
    padding-left: 8px;
    font-size: 8px;
  }

  .architecture-visual {
    padding: 8px;
  }

  .architecture-caption {
    gap: 16px;
  }

  .architecture-map {
    padding: 14px 8px 4px;
  }

  .map-layer {
    min-height: 96px;
    grid-template-columns: 34px 1fr 12px;
    gap: 10px;
    padding: 14px 8px;
  }

  .map-layer strong {
    font-size: 13px;
  }

  .map-layer p {
    font-size: 9px;
  }

  .scenario-row {
    min-height: 0;
    grid-template-columns: 44px 1fr 42px;
    gap: 14px;
    padding: 24px 0;
  }

  .scenario-row:hover {
    padding-left: 8px;
  }

  .scenario-number {
    font-size: 24px;
  }

  .scenario-row h3 {
    font-size: 19px;
  }

  .scenario-row > p {
    grid-column: 2 / 4;
    font-size: 11px;
  }

  .scenario-row a {
    width: 40px;
    height: 40px;
  }

  .security-word {
    bottom: -18px;
    font-size: 106px;
  }

  .security-grid,
  .faq-grid,
  .contact-inner {
    gap: 44px;
  }

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

  .delivery-steps > li {
    min-height: 320px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .delivery-steps > li:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .delivery-steps > li > div {
    margin-top: 52px;
  }

  .faq-list summary {
    min-height: 78px;
    font-size: 14px;
  }

  .contact {
    padding-bottom: 96px;
  }

  .contact-type {
    bottom: -10px;
    font-size: 86px;
  }

  .contact-link {
    min-height: 84px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .footer-links {
    grid-column: auto;
    flex-wrap: wrap;
  }

  .footer-bottom {
    display: grid;
    justify-content: start;
  }

  .footer-filing {
    border-left: 0;
    padding-left: 0;
  }
}

@media (max-height: 760px) and (min-width: 901px) {
  .hero-inner {
    padding-top: 96px;
    padding-bottom: 24px;
  }

  .hero h1 {
    font-size: 72px;
  }

  .hero-lead {
    margin-top: 16px;
    font-size: 14px;
  }

  .hero-actions {
    margin-top: 20px;
  }
}

@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;
  }

  .hero-image {
    transform: scale(1.035);
  }

}
