:root {
  --paper: #efede5;
  --paper-bright: #f8f7f2;
  --ink: #121211;
  --muted: #66645e;
  --line: rgba(18, 18, 17, 0.24);
  --line-light: rgba(18, 18, 17, 0.12);
  --vermilion: #bc3c29;
  --cobalt: #254eab;
  --sage: #cdd8c6;
  --signal: #d9d447;
  --header-glass-surface: rgba(248, 247, 242, 0.58);
  --header-glass-surface-scrolled: rgba(248, 247, 242, 0.74);
  --header-glass-edge: rgba(255, 255, 255, 0.96);
  --header-glass-edge-quiet: rgba(18, 18, 17, 0.16);
  --header-glass-shadow: 0 20px 56px rgba(18, 18, 17, 0.2), 0 4px 14px rgba(18, 18, 17, 0.09);
  --glass-section-surface: rgba(248, 247, 242, 0.46);
  --glass-section-edge: rgba(255, 255, 255, 0.94);
  --glass-section-shadow: 0 28px 72px rgba(18, 18, 17, 0.22), 0 6px 20px rgba(18, 18, 17, 0.1);
  --glass-section-blur: 30px;
  --glass-section-saturation: 210%;
  --header-height: 72px;
  --page-pad: 28px;
  --content-max: 1600px;
  --font-display: "Songti SC", "STSong", "Noto Serif CJK SC", SimSun, serif;
  --font-body: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  --font-mono: "Cascadia Mono", "IBM Plex Mono", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: none;
  opacity: 0.08;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

::selection {
  color: var(--paper-bright);
  background: var(--cobalt);
}

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

button {
  color: inherit;
  font: inherit;
}

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

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

h1,
h2,
h3,
p,
figure {
  margin-top: 0;
}

figure {
  margin-right: 0;
  margin-bottom: 0;
  margin-left: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0;
}

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

.section-pad {
  padding: 112px max(var(--page-pad), calc((100vw - var(--content-max)) / 2));
}

.section-index {
  margin-bottom: 28px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: uppercase;
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1500;
  height: 3px;
  background: transparent;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--vermilion);
  transform: scaleX(0);
  transform-origin: left center;
}

.site-header {
  position: fixed;
  top: 12px;
  right: 20px;
  bottom: auto;
  left: 20px;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  padding: 0 18px;
  overflow: hidden;
  border: 1px solid var(--header-glass-edge);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.34) 28%, rgba(248, 247, 242, 0.18) 48%, rgba(37, 78, 171, 0.12) 80%, rgba(188, 60, 41, 0.11) 100%),
    var(--header-glass-surface);
  box-shadow:
    var(--header-glass-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.98),
    inset 0 -1px 0 var(--header-glass-edge-quiet);
  -webkit-backdrop-filter: blur(30px) saturate(210%) contrast(108%);
  backdrop-filter: blur(30px) saturate(210%) contrast(108%);
  isolation: isolate;
  transition: background-color 260ms ease, border-color 260ms ease, box-shadow 260ms ease, transform 260ms ease;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: 0;
  border-radius: 7px;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.88) 0%, rgba(255, 255, 255, 0.32) 22%, transparent 42%, rgba(37, 78, 171, 0.14) 74%, rgba(188, 60, 41, 0.12) 100%);
  opacity: 1;
  pointer-events: none;
}

.site-header > * {
  position: relative;
  z-index: 1;
}

.site-header.scrolled {
  border-color: rgba(255, 255, 255, 0.82);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(248, 247, 242, 0.3) 44%, rgba(37, 78, 171, 0.13) 78%, rgba(188, 60, 41, 0.12)),
    var(--header-glass-surface-scrolled);
  box-shadow:
    0 24px 62px rgba(18, 18, 17, 0.23),
    0 5px 16px rgba(18, 18, 17, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -1px 0 rgba(18, 18, 17, 0.16);
}

.site-header.header-hidden {
  transform: translateY(calc(-100% - 24px));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  color: var(--paper-bright);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
}

.brand-copy {
  display: grid;
  gap: 1px;
}

.brand-copy strong {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.2;
}

.brand-copy small {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 13px;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 8px 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 220ms ease;
}

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

.site-nav .nav-contact {
  min-height: 44px;
  padding: 9px 16px;
  border: 1px solid rgba(188, 60, 41, 0.58);
  border-radius: 14px;
  background: rgba(248, 247, 242, 0.54);
  box-shadow: 0 6px 18px rgba(18, 18, 17, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.94);
}

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

.site-nav .nav-contact:hover,
.site-nav .nav-contact:focus-visible {
  color: var(--vermilion);
  border-color: var(--vermilion);
  background: rgba(188, 60, 41, 0.09);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(18, 18, 17, 0.18);
  border-radius: 0;
  background: rgba(248, 247, 242, 0.58);
  box-shadow: 0 6px 16px rgba(18, 18, 17, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.94);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 22px;
}

.hero {
  position: relative;
  display: grid;
  min-height: clamp(740px, 88dvh, 920px);
  padding: calc(var(--header-height) + 54px) var(--page-pad) 64px;
  overflow: hidden;
  background: var(--paper);
}

.hero-visual {
  --ink-pointer-x: 0px;
  --ink-pointer-y: 0px;
  position: absolute;
  inset: calc(var(--header-height) + 16px) 16px 16px;
  opacity: 1;
}

.hero-video-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
}

.hero-ink-video {
  position: absolute;
  inset: -3%;
  z-index: 0;
  width: 106%;
  height: 106%;
  object-fit: cover;
  object-position: center;
  opacity: 0.96;
  filter: grayscale(1) contrast(1.32) brightness(0.94);
  transform: translate3d(var(--ink-pointer-x), var(--ink-pointer-y), 0) scale(1.02);
  will-change: transform;
}

.hero-video-wash {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, transparent 0%, rgba(239, 237, 229, 0.12) 16%, rgba(239, 237, 229, 0.88) 25%, rgba(239, 237, 229, 0.96) 33%, rgba(239, 237, 229, 0.96) 67%, rgba(239, 237, 229, 0.88) 75%, rgba(239, 237, 229, 0.12) 84%, transparent 100%),
    linear-gradient(180deg, rgba(239, 237, 229, 0.12), transparent 22%, transparent 80%, rgba(239, 237, 229, 0.16));
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  align-self: center;
  width: min(100%, var(--content-max));
  margin: 0 auto;
  padding: 32px 6vw 44px;
}

.hero h1 {
  max-width: 100%;
  margin: 0;
  font-size: clamp(60px, 5.25vw, 88px);
  line-height: 1.04;
  text-shadow: 0 2px 26px rgba(239, 237, 229, 0.72);
}

.hero-line {
  display: block;
}

@media (min-width: 901px) {
  .lab-heading h2,
  .finder-question {
    white-space: nowrap;
  }
}

.hero-summary {
  max-width: 660px;
  margin: 28px 0 0;
  font-size: 18px;
  line-height: 1.7;
  text-shadow: 0 1px 14px rgba(239, 237, 229, 0.9);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin: 30px 0 0;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  min-height: 46px;
  padding: 8px 0;
  border-bottom: 1px solid currentColor;
  font-size: 14px;
  transition: gap 200ms ease, color 200ms ease;
}

.text-link:hover,
.text-link:focus-visible {
  gap: 26px;
  color: var(--vermilion);
}

.text-link-primary {
  color: var(--paper-bright);
  border: 0;
  padding: 9px 16px;
  background: var(--ink);
}

.text-link-primary:hover,
.text-link-primary:focus-visible {
  color: var(--paper-bright);
  background: var(--vermilion);
}

.media-slot {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #d7d3c8;
}

.media-slot > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-slot.media-filled::before {
  inset: 0;
  z-index: 2;
  width: auto;
  background: linear-gradient(180deg, rgba(18, 18, 17, 0.34), transparent 28%, transparent 68%, rgba(18, 18, 17, 0.46));
}

.media-slot.media-filled::after {
  display: none;
}

.media-slot.media-filled .media-slot-meta,
.media-slot.media-filled figcaption {
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 8px rgba(18, 18, 17, 0.72);
}

.hero .hero-visual {
  position: absolute;
  inset: calc(var(--header-height) + 16px) 16px 16px;
}

.media-slot::before,
.media-slot::after {
  content: "";
  position: absolute;
  z-index: 1;
  pointer-events: none;
  background: rgba(18, 18, 17, 0.16);
}

.media-slot::before {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}

.media-slot::after {
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
}

.media-slot-meta {
  position: absolute;
  z-index: 3;
  top: 14px;
  right: 14px;
  left: 14px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: rgba(18, 18, 17, 0.72);
  font-family: var(--font-mono);
  font-size: 9px;
}

.media-slot figcaption {
  position: absolute;
  z-index: 3;
  right: 14px;
  bottom: 12px;
  left: 14px;
  font-size: 12px;
}

.positioning {
  min-height: auto;
  padding-top: clamp(88px, 10vw, 136px);
  padding-bottom: clamp(88px, 10vw, 136px);
  background: var(--paper);
}

.positioning-main {
  display: grid;
  align-content: center;
  width: min(100%, var(--content-max));
  margin: 0 auto;
}

.positioning h2 {
  max-width: 900px;
  margin-bottom: 30px;
  font-size: clamp(54px, 5vw, 76px);
  line-height: 1.08;
}

.positioning-lede {
  max-width: 760px;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.7;
}

.fact-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 56px;
  border-top: 1px solid var(--ink);
}

.fact-row div {
  min-height: 150px;
  padding: 24px 24px 18px 0;
  border-right: 1px solid var(--line);
}

.fact-row div + div {
  padding-left: 24px;
}

.fact-row div:last-child {
  border-right: 0;
}

.fact-row strong,
.fact-row span {
  display: block;
}

.fact-row strong {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 400;
}

.fact-row span {
  max-width: 260px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
}

.service-story {
  position: relative;
  padding: clamp(72px, 8vw, 120px) var(--page-pad);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 18% 18%, rgba(205, 216, 198, 0.5), transparent 0 32%),
    radial-gradient(circle at 84% 72%, rgba(37, 78, 171, 0.18), transparent 0 34%),
    var(--paper);
}

.service-stack {
  position: relative;
  width: min(100%, var(--content-max));
  margin: 0 auto;
  padding-bottom: 10vh;
}

.service-sheet {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--glass-section-edge);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.88), rgba(248, 247, 242, 0.2) 44%, rgba(37, 78, 171, 0.14) 78%, rgba(188, 60, 41, 0.11)),
    var(--glass-section-surface);
  box-shadow:
    var(--glass-section-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 -1px 0 rgba(18, 18, 17, 0.16);
  -webkit-backdrop-filter: blur(var(--glass-section-blur)) saturate(var(--glass-section-saturation)) contrast(108%);
  backdrop-filter: blur(var(--glass-section-blur)) saturate(var(--glass-section-saturation)) contrast(108%);
}

.service-sheet::before {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: 0;
  border-radius: 7px;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.3) 22%, transparent 43%, rgba(37, 78, 171, 0.15) 76%, rgba(188, 60, 41, 0.12) 100%);
  pointer-events: none;
}

.service-sheet > * {
  position: relative;
  z-index: 1;
}

.service-entry {
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: clamp(760px, 82vh, 900px);
  padding: clamp(48px, 6vw, 82px);
  background: transparent;
  z-index: 1;
}

.service-entry-heading {
  align-self: center;
  max-width: 760px;
}

.service-entry h2 {
  margin-bottom: 26px;
  font-size: clamp(58px, 6vw, 88px);
  line-height: 0.98;
}

.service-entry-heading > p {
  max-width: 620px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.service-pathways {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 54px;
  border-top: 1px solid var(--ink);
}

.service-path {
  display: grid;
  gap: 10px;
  min-height: 176px;
  padding: 28px 32px 20px 0;
  color: inherit;
  transition: background 220ms ease, padding 220ms ease, transform 140ms ease;
}

.service-path + .service-path {
  padding-left: 32px;
  border-left: 1px solid var(--line);
}

.service-path:hover,
.service-path:focus-visible {
  padding-right: 22px;
  padding-left: 22px;
  background: rgba(18, 18, 17, 0.045);
}

.service-path:active {
  transform: translateY(1px);
}

.service-path span,
.service-kicker,
.service-proof span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.service-path strong {
  align-self: end;
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 400;
}

.service-path p {
  color: var(--muted);
  font-size: 13px;
}

.service-details {
  width: calc(100% - clamp(48px, 7vw, 128px));
  margin-top: clamp(-290px, -24vh, -190px);
  margin-right: auto;
  margin-left: auto;
  background: transparent;
  z-index: 2;
}

.service-detail-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.service-detail {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 720px;
  padding: clamp(48px, 5vw, 72px);
  overflow: hidden;
}

.service-ai {
  background: linear-gradient(135deg, rgba(205, 216, 198, 0.82), rgba(248, 247, 242, 0.34) 58%, rgba(37, 78, 171, 0.12));
}

.service-geo {
  color: var(--paper-bright);
  border-left: 1px solid rgba(255, 255, 255, 0.34);
  background: linear-gradient(135deg, rgba(37, 78, 171, 0.88), rgba(24, 57, 132, 0.76) 58%, rgba(188, 60, 41, 0.18));
}

.service-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.service-audience {
  min-height: 42px;
  margin: 22px 0 18px;
  font-size: 13px;
}

.service-copy h2 {
  margin-bottom: 26px;
  font-size: clamp(48px, 4vw, 68px);
  line-height: 0.98;
}

.service-definition {
  min-height: 118px;
  margin-bottom: 30px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.6;
}

.service-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid currentColor;
}

.service-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid currentColor;
  font-size: 14px;
}

.service-list span {
  font-family: var(--font-mono);
  font-size: 10px;
}

.service-proof {
  display: grid;
  gap: 12px;
  margin-top: auto;
  padding-top: 30px;
}

.service-proof strong {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 400;
}

@media (min-width: 721px) {
  .service-sheet {
    position: sticky;
    top: calc(var(--header-height) + 24px);
  }
}

.route-finder {
  display: block;
  padding-top: 68px;
  padding-bottom: 68px;
  color: var(--paper-bright);
  border-bottom: 1px solid rgba(248, 247, 242, 0.24);
  background: var(--ink);
}

.finder-intro h2 {
  max-width: none;
  margin-bottom: 34px;
  font-size: 40px;
  line-height: 1.08;
}

.finder-control {
  border-top: 1px solid rgba(248, 247, 242, 0.72);
}

.finder-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.finder-route {
  min-width: 0;
  padding: 24px clamp(20px, 2.4vw, 38px) 28px;
  border-right: 1px solid rgba(248, 247, 242, 0.22);
  border-bottom: 1px solid rgba(248, 247, 242, 0.22);
  background: transparent;
}

.finder-route:first-child {
  padding-left: 0;
}

.finder-route:last-child {
  padding-right: 0;
  border-right: 0;
}

.finder-question {
  min-height: 50px;
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.35;
}

.finder-guidance {
  display: grid;
  gap: 12px;
}

.finder-guidance > span {
  color: var(--vermilion);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.finder-guidance p {
  margin: 0;
  color: rgba(248, 247, 242, 0.72);
  font-size: 13px;
}

.finder-guidance strong {
  min-height: 54px;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 400;
  line-height: 1.2;
}

.finder-contact {
  display: inline-flex;
  gap: 14px;
  margin-top: 24px;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  white-space: nowrap;
  font-size: 13px;
}

.method {
  border-bottom: 1px solid var(--line);
  background: var(--paper-bright);
}

.method-heading {
  padding-bottom: 58px;
}

.method-heading h2 {
  max-width: 1100px;
  margin-bottom: 0;
  font-size: 76px;
  line-height: 1.08;
}

.method-path {
  position: relative;
  padding: 0 max(var(--page-pad), calc((100vw - var(--content-max)) / 2)) 112px;
}

.method-steps {
  --method-gap: clamp(34px, 5vw, 92px);
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--method-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.method-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 18px;
  height: 1px;
  left: 43px;
  right: calc(7px - var(--method-gap));
  background: var(--line);
}

.method-steps li {
  position: relative;
  min-width: 0;
  padding: 64px 0 0;
}

.method-steps span {
  position: absolute;
  z-index: 3;
  top: 0;
  left: 0;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--vermilion);
  border-radius: 50%;
  color: var(--vermilion);
  background: var(--paper-bright);
  box-shadow: 0 0 0 7px var(--paper-bright);
  font-family: var(--font-mono);
  font-size: 11px;
}

.method-steps strong {
  display: block;
  margin-top: 0;
  font-family: var(--font-display);
  font-size: 25px;
  font-weight: 400;
  line-height: 1.3;
}

.method-steps p {
  max-width: 280px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
}

.geo-lab {
  display: block;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  background: var(--paper);
}

.lab-heading {
  max-width: 1120px;
}

.lab-heading h2 {
  max-width: none;
  margin-bottom: 34px;
  font-size: 62px;
  line-height: 1.08;
}

.lab-heading > p:last-child {
  max-width: 680px;
  color: var(--muted);
  font-size: 14px;
}

.lab-console {
  width: min(64%, 980px);
  margin-top: clamp(74px, 8vw, 126px);
  margin-right: clamp(20px, 4vw, 72px);
  margin-left: auto;
  overflow: hidden;
  border: 1px solid rgba(248, 247, 242, 0.36);
  color: var(--paper-bright);
  background: var(--ink);
  box-shadow: 0 24px 72px rgba(18, 18, 17, 0.14);
}

.lab-queries {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.lab-query {
  min-height: 82px;
  padding: 18px;
  border: 0;
  border-right: 1px solid rgba(248, 247, 242, 0.2);
  border-bottom: 1px solid rgba(248, 247, 242, 0.2);
  color: rgba(248, 247, 242, 0.62);
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-size: 13px;
}

.lab-query:last-child {
  border-right: 0;
}

.lab-query.active {
  color: var(--ink);
  background: var(--signal);
}

.lab-output {
  display: grid;
  min-height: 280px;
  align-content: space-between;
  padding: 26px;
  background:
    linear-gradient(rgba(248, 247, 242, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 247, 242, 0.045) 1px, transparent 1px),
    var(--ink);
  background-size: 48px 48px;
}

.lab-output-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 52px;
  font-family: var(--font-display);
  font-size: 17px;
}

.lab-status {
  padding: 5px 8px;
  border: 1px solid rgba(248, 247, 242, 0.4);
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 9px;
}

.platform-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 12px;
  border-top: 1px solid rgba(248, 247, 242, 0.3);
}

.platform-row span {
  padding: 15px 8px 0;
  border-right: 1px solid rgba(248, 247, 242, 0.3);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
}

.platform-row span:last-child {
  border-right: 0;
}

.field-notes {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 0.7fr);
  gap: 7vw;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.notes-copy h2 {
  max-width: 760px;
  margin-bottom: 34px;
  font-size: 72px;
  line-height: 1.08;
}

.notes-copy > p:not(.section-index) {
  max-width: 680px;
  color: var(--muted);
  font-size: 16px;
}

.notes-ledger {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 30px;
  margin-top: 54px;
  padding-top: 20px;
  border-top: 1px solid var(--ink);
}

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

.notes-ledger strong {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 400;
}

.notes-media {
  width: 100%;
  aspect-ratio: 3 / 2;
}

.about {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
  gap: 8vw;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: var(--sage);
}

.portrait {
  width: min(100%, 420px);
  aspect-ratio: 4 / 5;
  background: #afb9a9;
}

.about-copy h2 {
  max-width: 900px;
  margin-bottom: 36px;
  font-size: 68px;
  line-height: 1.1;
}

.about-copy > p:not(.section-index) {
  max-width: 800px;
  color: #3f443d;
  font-size: 15px;
}

.experience-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 44px;
}

.experience-line span {
  padding: 7px 11px;
  border: 1px solid rgba(18, 18, 17, 0.42);
  font-family: var(--font-mono);
  font-size: 10px;
}

.faq {
  display: grid;
  grid-template-columns: minmax(260px, 0.55fr) minmax(0, 1.45fr);
  gap: 8vw;
  border-bottom: 1px solid var(--line);
  background: var(--paper-bright);
}

.faq-heading h2 {
  font-size: 70px;
  line-height: 1.05;
}

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

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

.faq-list summary {
  position: relative;
  min-height: 84px;
  padding: 24px 60px 24px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 22px;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 24px;
  right: 8px;
  font-family: var(--font-mono);
  font-size: 20px;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 800px;
  margin: 0;
  padding: 0 60px 32px 0;
  color: var(--muted);
  font-size: 14px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.65fr);
  min-height: 680px;
  color: var(--paper-bright);
  background: var(--cobalt);
}

.contact-main {
  display: grid;
  align-content: center;
  padding: 100px max(var(--page-pad), calc((100vw - var(--content-max)) / 2));
}

.contact-main h2 {
  max-width: 900px;
  margin-bottom: 36px;
  font-size: 92px;
  line-height: 1;
}

.contact-main > p:not(.section-index):not(.copy-status) {
  max-width: 660px;
  color: rgba(248, 247, 242, 0.72);
  font-size: 16px;
}

.contact-actions {
  display: grid;
  max-width: 760px;
  margin-top: 54px;
  border-top: 1px solid rgba(248, 247, 242, 0.6);
}

.contact-actions a,
.contact-actions button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 14px 0;
  border: 0;
  border-bottom: 1px solid rgba(248, 247, 242, 0.6);
  color: var(--paper-bright);
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 24px;
}

.contact-actions a:hover,
.contact-actions button:hover,
.contact-actions a:focus-visible,
.contact-actions button:focus-visible {
  color: var(--signal);
}

.copy-status {
  min-height: 24px;
  margin: 16px 0 0;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 10px;
}

.qr-slot {
  align-self: center;
  justify-self: center;
  width: min(70%, 360px);
  aspect-ratio: 1;
  border-color: rgba(248, 247, 242, 0.54);
  background: #17387d;
}

.qr-slot-filled {
  background: #fff;
}

.qr-slot-filled > img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
}

.qr-slot-filled::before,
.qr-slot-filled::after {
  display: none;
}

.media-slot-dark {
  color: var(--paper-bright);
}

.media-slot-dark::before,
.media-slot-dark::after {
  background: rgba(248, 247, 242, 0.22);
}

.media-slot-dark .media-slot-meta {
  color: rgba(248, 247, 242, 0.74);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  padding: 34px var(--page-pad);
  color: rgba(248, 247, 242, 0.64);
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 9px;
}

.site-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.site-footer div:last-child {
  justify-content: flex-end;
}

.site-footer strong {
  color: var(--paper-bright);
  font-weight: 400;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(248, 247, 242, 0.28);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--paper-bright);
  border-bottom-color: currentColor;
}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .site-header {
    background: rgba(248, 247, 242, 0.96);
  }

  .service-sheet {
    background: rgba(248, 247, 242, 0.96);
  }

  @media (max-width: 720px) {
    .site-nav {
      background: var(--paper-bright);
    }
  }
}

@media (forced-colors: active) {
  .site-header,
  .menu-toggle,
  .site-nav .nav-contact {
    border: 1px solid CanvasText;
    background: Canvas;
    box-shadow: none;
    color: CanvasText;
  }
}

@media (max-width: 1180px) {
  .hero h1 {
    font-size: 74px;
  }

  .positioning h2,
  .method-heading h2,
  .notes-copy h2 {
    font-size: 62px;
  }

  .contact-main h2 {
    font-size: 72px;
  }

  .faq {
    grid-template-columns: minmax(250px, 0.62fr) minmax(0, 1.38fr);
    gap: 5vw;
  }

  .finder-options {
    grid-template-columns: 1fr;
  }

  .finder-route,
  .finder-route:first-child,
  .finder-route:last-child {
    display: grid;
    grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.28fr);
    gap: 36px;
    padding: 24px 0;
    border-right: 0;
  }

  .finder-question {
    min-height: auto;
    margin: 0;
  }

  .lab-console {
    width: min(68%, 760px);
    margin-right: clamp(20px, 4vw, 48px);
  }

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

  .lab-query {
    min-height: 64px;
  }

  .lab-output {
    min-height: 240px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 64px;
    --page-pad: 20px;
  }

  .section-pad {
    padding-top: 84px;
    padding-bottom: 84px;
  }

  .site-nav {
    gap: 18px;
  }

  .hero {
    min-height: 780px;
  }

  .hero h1 {
    font-size: 62px;
  }

  .hero-line {
    white-space: normal;
  }

  .hero-content {
    padding-left: 0;
  }

  .positioning,
  .field-notes,
  .about,
  .faq,
  .contact {
    grid-template-columns: 1fr;
  }

  .lab-console {
    width: min(72%, 720px);
    margin-top: 72px;
    margin-right: 20px;
    margin-left: auto;
  }

  .notes-media,
  .portrait {
    justify-self: start;
  }

  .contact-main {
    padding-top: 90px;
    padding-bottom: 70px;
  }

  .qr-slot {
    margin: 0 auto 80px;
  }
}

@media (min-width: 1800px) {
  .hero h1 {
    font-size: 98px;
  }

  .hero-line-offset {
    margin-left: 126px;
  }

  .hero-summary,
  .hero-actions {
    margin-left: 132px;
  }
}

@media (min-width: 2400px) {
  .hero h1 {
    font-size: 108px;
  }

  .hero-line-offset {
    margin-left: 148px;
  }

  .hero-summary,
  .hero-actions {
    margin-left: 156px;
  }
}

@media (max-width: 720px) {
  :root {
    --page-pad: 16px;
  }

  .site-header {
    top: 8px;
    right: 8px;
    left: 8px;
    min-height: 56px;
    padding-inline: 10px;
    overflow: visible;
    border-radius: 8px;
  }

  .brand-copy small {
    display: none;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
    border-radius: 0;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: 0;
    display: none;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--header-glass-edge);
    border-radius: 0;
    background:
      linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 247, 242, 0.34) 52%, rgba(37, 78, 171, 0.12)),
      rgba(248, 247, 242, 0.72);
    box-shadow: 0 22px 52px rgba(18, 18, 17, 0.22), inset 0 1px 0 rgba(255, 255, 255, 1);
    -webkit-backdrop-filter: blur(30px) saturate(210%) contrast(108%);
    backdrop-filter: blur(30px) saturate(210%) contrast(108%);
  }

  .site-nav.open {
    display: grid;
  }

  .site-nav a {
    min-height: 54px;
    padding: 16px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

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

  .site-nav .nav-contact {
    min-height: 54px;
    border: 0;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: rgba(188, 60, 41, 0.1);
  }

  .hero {
    min-height: 760px;
    padding-top: calc(var(--header-height) + 34px);
  }

  .hero-visual {
    inset: calc(var(--header-height) + 8px) 8px 8px;
  }

  .hero-content {
    width: 100%;
    padding-bottom: 44px;
  }

  .hero h1 {
    font-size: 42px;
    line-height: 1.05;
  }

  .hero-summary {
    max-width: 94%;
    margin-top: 26px;
    font-size: 15px;
  }

  .hero-actions {
    gap: 14px;
    margin-top: 24px;
  }

  .text-link {
    font-size: 12px;
  }

  .hero-ink-video {
    opacity: 0.92;
    filter: grayscale(1) contrast(1.16) brightness(1);
  }

  .hero-video-wash {
    background:
      linear-gradient(90deg, rgba(239, 237, 229, 0.14), rgba(239, 237, 229, 0.92) 24%, rgba(239, 237, 229, 0.96) 76%, rgba(239, 237, 229, 0.14)),
      linear-gradient(180deg, rgba(239, 237, 229, 0.14), transparent 25%, transparent 76%, rgba(239, 237, 229, 0.18));
  }

  .section-index {
    margin-bottom: 20px;
  }

  .positioning {
    min-height: auto;
  }

  .positioning h2,
  .method-heading h2,
  .notes-copy h2,
  .about-copy h2,
  .faq-heading h2,
  .lab-heading h2,
  .finder-intro h2 {
    font-size: 42px;
  }

  .positioning-lede {
    font-size: 21px;
  }

  .fact-row {
    grid-template-columns: 1fr;
    margin-top: 54px;
  }

  .fact-row div,
  .fact-row div + div {
    min-height: auto;
    padding: 20px 0 24px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .fact-row div:last-child {
    border-bottom: 0;
  }

  .service-story {
    padding: 64px 0;
  }

  .service-stack {
    width: 100%;
    padding-bottom: 0;
  }

  .service-sheet {
    position: relative;
    top: auto;
    border-right: 0;
    border-left: 0;
    box-shadow: none;
  }

  .service-entry {
    min-height: auto;
    padding: 56px var(--page-pad);
  }

  .service-entry h2 {
    font-size: 52px;
  }

  .service-pathways {
    grid-template-columns: 1fr;
    margin-top: 42px;
  }

  .service-path,
  .service-path + .service-path {
    min-height: auto;
    padding: 24px 0;
    border-left: 0;
  }

  .service-path + .service-path {
    border-top: 1px solid var(--line);
  }

  .service-details {
    width: 100%;
    margin-top: 20px;
  }

  .service-detail-grid {
    grid-template-columns: 1fr;
  }

  .service-detail {
    min-height: auto;
    padding: 60px var(--page-pad);
  }

  .service-copy h2,
  .contact-main h2 {
    font-size: 56px;
  }

  .service-definition {
    min-height: auto;
    font-size: 19px;
  }

  .service-audience {
    min-height: auto;
  }

  .finder-options {
    grid-template-columns: 1fr;
  }

  .finder-route,
  .finder-route:first-child,
  .finder-route:last-child {
    display: block;
    padding: 24px 0 28px;
    border-right: 0;
  }

  .finder-question {
    margin-bottom: 18px;
    white-space: normal;
  }

  .finder-guidance strong {
    min-height: auto;
    font-size: 24px;
  }

  .method-heading {
    padding-bottom: 50px;
  }

  .method-path {
    padding-right: var(--page-pad);
    padding-bottom: 76px;
    padding-left: var(--page-pad);
  }

  .method-steps {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .method-steps li:not(:last-child)::after {
    top: 43px;
    right: auto;
    left: 18px;
    bottom: -27px;
    width: 1px;
    height: auto;
  }

  .method-steps li {
    min-height: 126px;
    padding: 0 0 0 58px;
  }

  .method-steps strong {
    margin-top: 0;
  }

  .lab-queries {
    grid-template-columns: 1fr;
  }

  .lab-console {
    width: 100%;
    margin-top: 42px;
    margin-right: 0;
    margin-left: 0;
  }

  .lab-query,
  .lab-query:nth-child(2n) {
    min-height: 64px;
    border-right: 0;
  }

  .lab-output {
    padding: 14px;
  }

  .lab-output-head {
    align-items: flex-start;
    font-size: 15px;
  }

  .field-notes {
    gap: 52px;
  }

  .notes-ledger {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .about {
    gap: 54px;
  }

  .portrait {
    width: min(82%, 360px);
  }

  .faq-list summary {
    min-height: 72px;
    padding-top: 20px;
    padding-bottom: 20px;
    font-size: 18px;
  }

  .faq-list summary::after {
    top: 20px;
  }

  .contact {
    min-height: auto;
  }

  .contact-main {
    padding: 84px var(--page-pad) 60px;
  }

  .contact-actions a,
  .contact-actions button {
    min-height: 66px;
    font-size: 18px;
  }

  .qr-slot {
    width: min(72%, 300px);
    margin-bottom: 70px;
  }

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

  .site-footer div:last-child {
    justify-content: flex-start;
  }
}

@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;
  }

  .service-sheet {
    position: relative;
    top: auto;
  }

  .service-details {
    margin-top: 24px;
  }
}