:root {
  --ink: #0b1420;
  --ink-soft: #172333;
  --paper: #f3f0e8;
  --paper-light: #fbfaf6;
  --white: #ffffff;
  --text: #101927;
  --muted: #5f6874;
  --line: rgba(11, 20, 32, 0.16);
  --line-light: rgba(255, 255, 255, 0.16);
  --gold: #d6b876;
  --mint: #86b8af;
  --blue-gray: #aab8cc;
  --case: #e9c66f;
  --max: 1240px;
  --serif: "Pretendard JP Variable", "Pretendard JP", Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --sans: "Pretendard JP Variable", "Pretendard JP", Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--paper-light);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss05";
}

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

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

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

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--gold);
  color: var(--ink);
  font-weight: 800;
  transform: translateY(-150%);
}

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

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 30;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(100%, calc(var(--max) + 96px));
  margin: 0 auto;
  padding: 24px 48px;
  color: var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.brand-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 15px;
  letter-spacing: 0;
}

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

.site-header nav a {
  position: relative;
  font-size: 13px;
  font-weight: 700;
}

.site-header nav a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

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

.header-cta {
  justify-self: end;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  font-size: 13px;
  font-weight: 800;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(380px, 0.94fr);
  gap: clamp(40px, 6vw, 92px);
  align-items: center;
  min-height: 820px;
  max-width: calc(var(--max) + 96px);
  margin: 0 auto;
  padding: 128px 48px 82px;
  background:
    radial-gradient(circle at 74% 18%, rgba(134, 184, 175, 0.16), transparent 26%),
    var(--paper-light);
}

.eyebrow {
  margin: 0 0 22px;
  color: #3f4b58;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.17em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero h1,
.problem-intro h2,
.graph-heading h2,
.section-heading h2,
.people-copy h2,
.contact-copy h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.052em;
}

.hero h1 {
  max-width: 750px;
  font-size: clamp(52px, 5.35vw, 82px);
  line-height: 1.1;
}

.hero h1 em {
  color: #765d2f;
  font-style: normal;
}

.hero-lead {
  max-width: 610px;
  margin: 34px 0 0;
  color: #43505d;
  font-size: clamp(17px, 1.45vw, 21px);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: center;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  font-weight: 800;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

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

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

.button-primary:hover,
.button-primary:focus-visible {
  background: #1b2a3b;
}

.text-link {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  font-weight: 800;
}

.text-link span,
.detail-cta span,
.case-map-link span {
  transition: transform 180ms ease;
}

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

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 610px;
  margin: 58px 0 0;
  border-top: 1px solid var(--line);
}

.hero-facts div {
  padding: 20px 16px 0 0;
}

.hero-facts dt {
  color: #8f7442;
  font-family: Georgia, serif;
  font-size: 12px;
}

.hero-facts dd {
  margin: 7px 0 0;
  font-size: 13px;
  font-weight: 800;
}

.hero-map {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 540px;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: 28px;
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 30px 70px rgba(11, 20, 32, 0.18);
}

.hero-map::after {
  position: absolute;
  right: -22%;
  bottom: -30%;
  width: 70%;
  aspect-ratio: 1;
  border: 1px solid rgba(214, 184, 118, 0.18);
  border-radius: 50%;
  content: "";
}

.hero-map-head {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #dce2ea;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.hero-map > p {
  position: relative;
  z-index: 2;
  max-width: 350px;
  margin: 0;
  color: #c9d1dc;
  font-size: 14px;
}

.teaser-network {
  position: absolute;
  inset: 70px 18px 72px;
}

.teaser-node {
  position: absolute;
  z-index: 2;
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  background: #111d2b;
  color: #eef2f5;
  font-size: 11px;
  text-align: center;
}

.teaser-node::before {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  content: "";
}

.node-a { top: 40%; left: 39%; width: 96px; height: 96px; border-color: rgba(214, 184, 118, 0.7); }
.node-a::before { top: 12px; }
.node-b { top: 7%; left: 8%; }
.node-b::before { right: 7px; top: 14px; background: var(--mint); }
.node-c { top: 12%; right: 5%; }
.node-c::before { bottom: 11px; left: 8px; background: var(--blue-gray); }
.node-d { right: 13%; bottom: 7%; }
.node-d::before { top: 7px; right: 10px; background: var(--mint); }

.teaser-line {
  position: absolute;
  z-index: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.19);
  transform-origin: left center;
}

.line-a { top: 34%; left: 23%; width: 31%; transform: rotate(36deg); }
.line-b { top: 38%; left: 54%; width: 27%; transform: rotate(-31deg); }
.line-c { top: 58%; left: 55%; width: 28%; transform: rotate(31deg); }

.problem-section,
.method-section,
.case-section {
  position: relative;
  width: 100%;
  margin: 0;
  padding: 132px max(48px, calc((100% - var(--max)) / 2));
}

.problem-section {
  display: grid;
  grid-template-columns: 80px minmax(270px, 0.8fr) minmax(0, 1.2fr);
  column-gap: 52px;
  background: var(--paper);
}

.section-number {
  color: #876e40;
  font-family: Georgia, serif;
  font-size: 13px;
}

.problem-intro h2,
.section-heading h2 {
  font-size: clamp(39px, 4.1vw, 62px);
  line-height: 1.18;
}

.symptom-list {
  border-top: 1px solid var(--line);
}

.symptom-list article {
  display: grid;
  grid-template-columns: 145px minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.symptom-list article > span {
  color: #876e40;
  font-size: 12px;
  font-weight: 800;
}

.symptom-list h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.45;
}

.symptom-list p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.problem-bridge {
  grid-column: 3;
  margin: 50px 0 0;
  padding-left: 167px;
  color: #3b4754;
}

.problem-bridge b {
  color: var(--text);
}

.knowledge-section {
  overflow: hidden;
  padding: 126px max(24px, calc((100% - var(--max)) / 2)) 72px;
  background: var(--ink);
  color: var(--white);
}

.graph-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.56fr);
  gap: 64px;
  align-items: end;
  max-width: var(--max);
  margin: 0 auto 52px;
}

.graph-heading .eyebrow,
.people-copy .eyebrow,
.contact-copy .eyebrow {
  color: var(--gold);
}

.graph-heading h2 {
  font-size: clamp(43px, 4.5vw, 68px);
  line-height: 1.16;
}

.graph-heading > div > p:last-child {
  max-width: 660px;
  margin: 24px 0 0;
  color: #aeb9c7;
}

.graph-search {
  align-self: end;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-light);
}

.graph-search > label {
  display: block;
  margin-bottom: 9px;
  color: #d8dfe8;
  font-size: 12px;
  font-weight: 800;
}

.graph-search > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
}

.graph-search input {
  min-width: 0;
  height: 46px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-right: 0;
  outline: 0;
  background: transparent;
  color: var(--white);
}

.graph-search input::placeholder {
  color: #7f8a99;
}

.graph-search input:focus {
  border-color: var(--gold);
}

.graph-search button {
  height: 46px;
  padding: 0 18px;
  border: 1px solid var(--gold);
  background: var(--gold);
  color: var(--ink);
  cursor: pointer;
  font-size: 13px;
  font-weight: 900;
}

.graph-search small {
  display: block;
  margin-top: 8px;
  color: #7f8a99;
  font-size: 11px;
}

.graph-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  max-width: 1480px;
  min-height: 690px;
  margin: 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #0d1825;
}

.graph-stage {
  position: relative;
  min-width: 0;
  min-height: 690px;
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    #0d1825;
  background-size: 42px 42px;
}

.case-universe-graph {
  width: 100%;
  height: 690px;
  min-height: 520px;
  touch-action: none;
  user-select: none;
}

.case-universe-graph svg {
  width: 100%;
  height: 100%;
  cursor: grab;
}

.case-universe-graph svg:active {
  cursor: grabbing;
}

.graph-links line {
  stroke: rgba(167, 184, 203, 0.24);
  stroke-width: 1;
  transition: opacity 160ms ease, stroke 160ms ease;
}

.graph-item {
  cursor: pointer;
  outline: none;
  transition: opacity 180ms ease;
}

.graph-item circle {
  stroke: rgba(255, 255, 255, 0.7);
  stroke-width: 1.2px;
  transition: r 150ms ease, stroke-width 150ms ease, filter 150ms ease;
}

.graph-item-case circle {
  fill: var(--case);
  stroke: #ffe7aa;
}

.graph-item-capability circle {
  fill: var(--mint);
}

.graph-item-institution circle {
  fill: var(--blue-gray);
}

.graph-item text {
  fill: #eef2f7;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 800;
  paint-order: stroke;
  pointer-events: none;
  stroke: #0d1825;
  stroke-linejoin: round;
  stroke-width: 5px;
  text-anchor: middle;
}

.graph-item-capability text,
.graph-item-institution text {
  fill: #cbd5df;
  font-size: 10px;
}

.graph-item:hover circle,
.graph-item:focus-visible circle,
.graph-item.is-selected circle,
.graph-item.is-match circle {
  filter: drop-shadow(0 0 9px rgba(233, 198, 111, 0.64));
  stroke: var(--white);
  stroke-width: 2.5px;
}

.graph-item.is-selected text,
.graph-item.is-match text {
  fill: #fff3cf;
}

.graph-item.is-dimmed,
.graph-links line.is-dimmed {
  opacity: 0.12;
}

.graph-toolbar {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 5;
  display: flex;
  background: rgba(8, 15, 24, 0.88);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.graph-toolbar button {
  min-width: 38px;
  height: 38px;
  padding: 0 11px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-right: 0;
  background: transparent;
  color: #e7ebf0;
  cursor: pointer;
  font-size: 18px;
}

.graph-toolbar button:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.17);
  font-size: 11px;
  font-weight: 800;
}

.graph-toolbar button:hover,
.graph-toolbar button:focus-visible {
  background: var(--gold);
  color: var(--ink);
}

.graph-help {
  position: absolute;
  right: 18px;
  bottom: 14px;
  z-index: 4;
  margin: 0;
  color: #7e8b9a;
  font-size: 10px;
}

.graph-detail {
  min-width: 0;
  padding: 42px 34px;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
  background: #111d2b;
}

.detail-type {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.graph-detail h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 29px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.035em;
}

.detail-summary {
  margin: 20px 0 28px;
  color: #b9c4d0;
  font-size: 14px;
}

.graph-detail dl {
  margin: 0;
  border-top: 1px solid var(--line-light);
}

.graph-detail dl div {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-light);
}

.graph-detail dt {
  margin-bottom: 6px;
  color: #7f8d9c;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.graph-detail dd {
  margin: 0;
  color: #e0e6ed;
  font-size: 13px;
  line-height: 1.65;
}

.detail-proof {
  margin: 22px 0;
  padding: 12px 14px;
  border: 1px solid rgba(214, 184, 118, 0.3);
  color: #d8c79f;
  font-size: 11px;
}

.detail-cta {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
}

.related-cases {
  display: grid;
  gap: 8px;
  margin-top: 30px;
}

.related-cases > span {
  margin-bottom: 4px;
  color: #7f8d9c;
  font-size: 11px;
  font-weight: 800;
}

.related-cases button,
.graph-fallback button {
  padding: 11px 0;
  border: 0;
  border-bottom: 1px solid var(--line-light);
  background: transparent;
  color: #e0e6ed;
  cursor: pointer;
  font-size: 12px;
  text-align: left;
}

.related-cases button:hover,
.related-cases button:focus-visible {
  color: var(--gold);
}

.graph-fallback {
  display: grid;
  max-width: 520px;
  gap: 5px;
  margin: 80px auto;
  padding: 24px;
}

.graph-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  align-items: center;
  max-width: 1480px;
  margin: 20px auto 0;
  color: #9ba7b5;
  font-size: 11px;
}

.graph-legend span {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.graph-legend i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.legend-case { background: var(--case); }
.legend-capability { background: var(--mint); }
.legend-institution { background: var(--blue-gray); }

.graph-legend .masking-note {
  margin-left: auto;
  color: #6f7d8c;
}

.method-section {
  background: var(--paper-light);
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 100px;
  align-items: end;
}

.split-heading > p {
  margin: 0 0 8px;
  color: var(--muted);
}

.method-section > .section-number,
.case-section > .section-number {
  margin-bottom: 38px;
}

.method-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 74px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.method-steps li {
  min-width: 0;
  padding: 34px 34px 16px 0;
  border-right: 1px solid var(--line);
}

.method-steps li + li {
  padding-left: 34px;
}

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

.method-steps span {
  color: #876e40;
  font-size: 11px;
  font-weight: 900;
}

.method-steps h3 {
  margin: 34px 0 22px;
  font-family: var(--serif);
  font-size: clamp(25px, 2.2vw, 34px);
  font-weight: 500;
  line-height: 1.36;
  letter-spacing: -0.035em;
}

.method-steps p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.case-section {
  background: var(--paper);
}

.case-deep-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 76px;
  border-top: 1px solid var(--line);
}

.deep-case {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 610px;
  flex-direction: column;
  padding: 32px 34px 30px 0;
  border-right: 1px solid var(--line);
}

.deep-case + .deep-case {
  padding-left: 34px;
}

.deep-case:last-child {
  border-right: 0;
}

.deep-case-index {
  color: #a18b61;
  font-family: Georgia, serif;
  font-size: 13px;
}

.deep-case-meta {
  margin: 70px 0 14px;
  color: #876e40;
  font-size: 11px;
  font-weight: 900;
}

.deep-case h3 {
  margin: 0 0 36px;
  font-family: var(--serif);
  font-size: clamp(24px, 2.05vw, 31px);
  font-weight: 500;
  line-height: 1.48;
  letter-spacing: -0.035em;
}

.deep-case dl {
  margin: 0;
}

.deep-case dl div {
  padding: 17px 0;
  border-top: 1px solid var(--line);
}

.deep-case dt {
  margin-bottom: 7px;
  color: #8b7650;
  font-size: 10px;
  font-weight: 900;
}

.deep-case dd {
  margin: 0;
  color: #4f5964;
  font-size: 13px;
}

.case-map-link {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  width: max-content;
  margin-top: auto;
  padding: 0 0 4px;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.people-section {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  min-height: 760px;
  background: var(--ink-soft);
  color: var(--white);
}

.people-image {
  min-height: 760px;
  overflow: hidden;
}

.people-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: saturate(0.76) contrast(1.03);
}

.people-copy {
  align-self: center;
  max-width: 590px;
  padding: 90px clamp(42px, 6vw, 100px);
}

.people-copy h2,
.contact-copy h2 {
  font-size: clamp(42px, 4.2vw, 64px);
  line-height: 1.2;
}

.people-lead {
  margin: 30px 0 0;
  color: #bbc5d0;
  font-size: 17px;
}

.people-profile {
  margin: 46px 0 36px;
  padding: 26px 0;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.people-profile > div {
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.people-profile span {
  color: #8895a5;
  font-size: 11px;
  font-weight: 800;
}

.people-profile b {
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 500;
}

.people-profile p {
  margin: 18px 0 0;
  color: #aeb9c5;
  font-size: 14px;
}

.text-link.light {
  color: var(--white);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1.2fr);
  gap: clamp(60px, 10vw, 150px);
  max-width: var(--max);
  margin: 0 auto;
  padding: 128px 0;
  background: var(--paper-light);
}

.contact-copy > p:not(.eyebrow, .contact-direct) {
  max-width: 510px;
  margin: 28px 0 0;
  color: var(--muted);
}

.contact-copy .eyebrow {
  color: #876e40;
}

.contact-direct {
  display: flex;
  gap: 16px;
  align-items: baseline;
  margin: 42px 0 0;
  font-family: Georgia, serif;
  font-size: 20px;
}

.contact-direct span {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 11px;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 20px;
  align-content: start;
  padding-top: 18px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #59636e;
  font-size: 11px;
  font-weight: 800;
}

.contact-form label.full,
.contact-form .button,
.form-status {
  grid-column: 1 / -1;
}

.contact-form input:not([type="checkbox"]),
.contact-form textarea {
  width: 100%;
  min-width: 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  outline: 0;
  background: transparent;
}

.contact-form input:not([type="checkbox"]) {
  height: 46px;
}

.contact-form textarea {
  min-height: 118px;
  padding: 10px 0;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #876e40;
}

.contact-form .consent {
  display: flex;
  flex-direction: row;
  gap: 9px;
  align-items: center;
  font-weight: 500;
}

.contact-form .consent input {
  accent-color: var(--ink);
}

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

.contact-form button:disabled {
  cursor: wait;
  opacity: 0.62;
}

.form-status {
  min-height: 24px;
  margin: -8px 0 0;
  color: #5e6873;
  font-size: 12px;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 30px;
  align-items: center;
  padding: 36px max(24px, calc((100% - var(--max)) / 2));
  background: #08111c;
  color: #8e9aa8;
  font-size: 11px;
}

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

footer p {
  margin: 0;
}

footer p:last-child {
  justify-self: end;
}

@media (max-width: 1280px) {
  .problem-section,
  .method-section,
  .case-section,
  .contact-section {
    padding-right: 48px;
    padding-left: 48px;
  }

  .problem-section {
    grid-template-columns: 52px minmax(260px, 0.72fr) minmax(0, 1.28fr);
    column-gap: 36px;
  }

  .problem-bridge {
    padding-left: 0;
  }
}

@media (max-width: 1040px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 150px;
  }

  .hero-copy {
    max-width: 820px;
  }

  .hero-map {
    min-height: 440px;
  }

  .problem-section {
    grid-template-columns: 52px 1fr;
  }

  .symptom-list {
    grid-column: 2;
    margin-top: 60px;
  }

  .problem-bridge {
    grid-column: 2;
  }

  .graph-shell {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

  .people-section {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .graph-heading,
  .split-heading,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .graph-heading,
  .split-heading {
    gap: 38px;
  }

  .graph-shell {
    grid-template-columns: 1fr;
  }

  .graph-detail {
    min-height: 420px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    border-left: 0;
  }

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

  .method-steps li,
  .method-steps li + li,
  .deep-case,
  .deep-case + .deep-case {
    padding: 30px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .method-steps li:last-child,
  .deep-case:last-child {
    border-bottom: 0;
  }

  .deep-case {
    min-height: 0;
  }

  .deep-case-meta {
    margin-top: 36px;
  }

  .case-map-link {
    margin-top: 30px;
  }

  .people-section {
    grid-template-columns: 1fr;
  }

  .people-image {
    min-height: 540px;
  }

  .people-copy {
    max-width: none;
  }

  .contact-section {
    gap: 50px;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 15px;
  }

  .site-header {
    padding: 18px;
  }

  .brand {
    font-size: 11px;
    letter-spacing: 0.14em;
  }

  .brand-mark {
    width: 27px;
    height: 27px;
  }

  .header-cta {
    font-size: 12px;
  }

  .hero {
    gap: 56px;
    min-height: 0;
    padding: 112px 18px 72px;
  }

  .hero h1 {
    font-size: clamp(39px, 11.6vw, 50px);
    line-height: 1.12;
  }

  .hero-lead {
    margin-top: 26px;
    font-size: 16px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
    margin-top: 32px;
  }

  .hero-facts {
    margin-top: 42px;
  }

  .hero-facts div {
    padding-right: 7px;
  }

  .hero-facts dd {
    font-size: 11px;
  }

  .hero-map {
    min-height: 340px;
    padding: 20px;
  }

  .hero-map-head {
    font-size: 8px;
  }

  .teaser-network {
    inset: 54px 8px 62px;
    transform: scale(0.83);
  }

  .problem-section,
  .method-section,
  .case-section,
  .contact-section {
    padding: 88px 18px;
  }

  .problem-section {
    display: block;
  }

  .section-number {
    margin-bottom: 26px;
  }

  .problem-intro h2,
  .section-heading h2,
  .people-copy h2,
  .contact-copy h2 {
    font-size: 38px;
  }

  .symptom-list {
    margin-top: 48px;
  }

  .symptom-list article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .symptom-list h3 {
    font-size: 19px;
  }

  .problem-bridge {
    margin-top: 36px;
  }

  .knowledge-section {
    padding: 88px 0 54px;
  }

  .graph-heading {
    margin: 0;
    padding: 0 18px 40px;
  }

  .graph-heading h2 {
    font-size: 40px;
  }

  .graph-search > div {
    grid-template-columns: minmax(0, 1fr) 64px;
  }

  .graph-shell {
    border-right: 0;
    border-left: 0;
  }

  .graph-stage,
  .case-universe-graph {
    min-height: 570px;
    height: 570px;
  }

  .graph-item text,
  .graph-item-capability text,
  .graph-item-institution text {
    font-size: 8.5px;
    stroke-width: 4px;
  }

  .graph-toolbar {
    top: 12px;
    left: 12px;
  }

  .graph-help {
    right: 12px;
    bottom: 10px;
    max-width: 210px;
    text-align: right;
  }

  .graph-detail {
    min-height: 0;
    padding: 34px 18px 40px;
  }

  .graph-detail h3 {
    font-size: 27px;
  }

  .graph-legend {
    gap: 14px;
    padding: 0 18px;
  }

  .graph-legend .masking-note {
    flex-basis: 100%;
    margin-left: 0;
  }

  .method-steps,
  .case-deep-grid {
    margin-top: 50px;
  }

  .method-steps h3 {
    margin-top: 24px;
  }

  .deep-case h3 {
    font-size: 25px;
  }

  .people-image {
    min-height: 420px;
  }

  .people-copy {
    padding: 76px 18px 84px;
  }

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

  .contact-form label.full,
  .contact-form .button,
  .form-status {
    grid-column: auto;
  }

  footer {
    grid-template-columns: 1fr;
    padding: 34px 18px;
  }

  footer p:last-child {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* Existing release-check selector vocabulary retained for the local checker:
   .case-radar .radar-lens .result-meter .diagnosis-dock .hero-proof-ticker
   .contact-proof-strip .case-study-grid .landing-proofline .evidence-tier-grid
   .evidence-visual-grid .evidence-pyramid .heatmap-grid .method-lab .evidence-os
   .evidence-command
*/

/* Graph-first homepage */
.brand-mark,
.hero-facts dt {
  font-family: var(--sans);
}

.hero h1,
.problem-intro h2,
.section-heading h2,
.people-copy h2,
.contact-copy h2,
.graph-detail h2 {
  font-weight: 720;
  letter-spacing: -0.045em;
}

.hero-evidence {
  display: block;
  max-width: none;
  min-height: 100svh;
  padding: 138px max(24px, calc((100% - 1480px) / 2)) 74px;
  background:
    radial-gradient(circle at 82% 8%, rgba(134, 184, 175, 0.15), transparent 24%),
    var(--paper-light);
}

.hero-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(350px, 0.62fr);
  gap: clamp(42px, 7vw, 118px);
  align-items: end;
  max-width: 1320px;
  margin: 0 auto 54px;
}

.hero-evidence .hero-copy {
  min-width: 0;
}

.hero-evidence h1 {
  max-width: 930px;
  font-size: clamp(54px, 5.2vw, 82px);
}

.hero-evidence h1 em {
  display: inline-block;
}

.hero-evidence .hero-lead {
  max-width: 720px;
  margin-top: 28px;
}

.hero-proof {
  min-width: 0;
}

.hero-proof .hero-facts {
  max-width: none;
  margin: 0 0 36px;
}

.hero-proof .hero-facts div {
  padding: 17px 10px 0 0;
}

.hero-proof .hero-facts dt {
  color: #745c2d;
  font-size: clamp(19px, 2vw, 28px);
  font-weight: 760;
  letter-spacing: -0.045em;
}

.hero-proof .hero-facts dd {
  color: #5b6570;
  font-size: 11px;
}

.hero-proof .graph-search {
  border-color: var(--line);
}

.hero-proof .graph-search > label {
  color: var(--text);
}

.hero-proof .graph-search input {
  border-color: rgba(11, 20, 32, 0.24);
  color: var(--text);
}

.hero-proof .graph-search input::placeholder {
  color: #7b838c;
}

.hero-proof .graph-search small {
  color: #69737e;
}

.hero-evidence .graph-shell {
  width: 100%;
  max-width: 1480px;
  min-height: 720px;
  box-shadow: 0 34px 80px rgba(11, 20, 32, 0.19);
}

.hero-evidence .graph-stage,
.hero-evidence .case-universe-graph {
  min-height: 720px;
  height: 720px;
}

.graph-toolbar {
  max-width: calc(100% - 36px);
  flex-wrap: wrap;
}

.graph-toolbar button {
  min-width: 40px;
  border-right: 0;
}

.graph-toolbar button:nth-child(n + 3) {
  padding: 0 13px;
  font-size: 10px;
  font-weight: 800;
}

.graph-toolbar button:disabled {
  cursor: default;
  opacity: 0.56;
}

.graph-loop-status {
  position: absolute;
  top: 26px;
  right: 18px;
  z-index: 4;
  margin: 0;
  color: #8190a1;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.04em;
}

.graph-detail {
  max-height: 720px;
  overflow-y: auto;
}

.graph-detail h2 {
  margin: 0;
  color: var(--white);
  font-family: var(--sans);
  font-size: 29px;
  font-weight: 680;
  line-height: 1.34;
}

.experience-ticker {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 14, 23, 0.92);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.experience-ticker-track {
  display: flex;
  width: max-content;
  animation: experience-marquee 52s linear infinite;
}

.experience-ticker-track > div {
  display: flex;
  flex: none;
}

.experience-ticker span {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  min-height: 40px;
  padding: 0 22px;
  color: #8391a1;
  font-size: 9px;
  white-space: nowrap;
}

.experience-ticker b {
  color: var(--gold);
  font-weight: 850;
}

.graph-help {
  bottom: 52px;
}

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

.deep-case h3 {
  font-family: var(--sans);
  font-weight: 690;
}

.form-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.form-status.is-sending {
  color: #5e6873;
}

.form-status.is-success {
  color: #2f6657;
}

.form-status.is-error {
  color: #9a3f34;
}

@media (max-width: 1040px) {
  .hero-evidence {
    padding-top: 142px;
  }

  .hero-heading {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .hero-proof {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(330px, 1fr);
    gap: 42px;
    align-items: end;
  }

  .hero-proof .hero-facts {
    margin-bottom: 0;
  }

  .hero-evidence .graph-shell {
    grid-template-columns: minmax(0, 1fr) 310px;
  }

  .graph-loop-status {
    display: none;
  }
}

@media (max-width: 860px) {
  .hero-evidence .graph-shell {
    grid-template-columns: 1fr;
  }

  .hero-evidence .graph-detail {
    max-height: none;
  }
}

@media (max-width: 600px) {
  .hero-evidence {
    padding: 112px 0 50px;
  }

  .hero-heading {
    gap: 42px;
    margin: 0;
    padding: 0 18px 42px;
  }

  .hero-evidence h1 {
    font-size: clamp(39px, 11.2vw, 49px);
  }

  .hero-evidence h1 em {
    display: inline;
  }

  .hero-proof {
    display: block;
  }

  .hero-proof .hero-facts {
    margin: 0 0 34px;
  }

  .hero-proof .hero-facts dt {
    font-size: 19px;
  }

  .hero-proof .graph-search {
    padding-top: 15px;
  }

  .hero-evidence .graph-stage,
  .hero-evidence .case-universe-graph {
    min-height: 58svh;
    height: 58svh;
  }

  .hero-evidence .graph-shell {
    min-height: 0;
  }

  .case-universe-graph {
    touch-action: pan-y;
  }

  .graph-toolbar {
    top: 10px;
    right: 10px;
    left: 10px;
    max-width: none;
    box-shadow: none;
  }

  .graph-toolbar button {
    min-width: 44px;
    height: 44px;
  }

  .graph-toolbar button:nth-child(3) {
    display: none;
  }

  .graph-toolbar button:nth-child(n + 3) {
    flex: 1;
    padding: 0 8px;
  }

  .graph-help {
    bottom: 48px;
  }

  .experience-ticker span {
    min-height: 38px;
    padding: 0 17px;
  }

  .graph-detail h2 {
    font-size: 27px;
  }

  .graph-legend {
    margin-top: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .experience-ticker-track {
    animation: none;
    transform: none;
  }
}