:root {
  --ink: #111827;
  --muted: #566475;
  --line: #cdd7e3;
  --paper: #ffffff;
  --soft: #f2f5f8;
  --surface: #f8fafc;
  --navy: #08111f;
  --blue: #1f4f9c;
  --teal: #0f766e;
  --cyan: #036780;
  --green: #166534;
  --amber: #8a5a10;
  --violet: #554db8;
  --red: #bd2b1f;
  --shadow: 0 12px 30px rgba(14, 23, 38, 0.1);
  --shadow-sm: 0 6px 18px rgba(14, 23, 38, 0.07);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans KR", "Segoe UI", sans-serif;
  line-height: 1.6;
  letter-spacing: 0;
  word-break: keep-all;
  overflow-wrap: break-word;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; height: auto; }

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(205, 215, 227, 0.92);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
}

.nav-row {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 250px;
  max-width: 58vw;
}

.brand-logo {
  width: 380px;
  max-width: 82vw;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-links a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 8px 11px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 850;
}

.nav-links a:hover {
  background: #eef2f6;
  text-decoration: none;
}

.hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  color: #fff;
  background: var(--navy);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(8, 17, 31, 0.98) 0%, rgba(8, 17, 31, 0.92) 38%, rgba(8, 17, 31, 0.58) 76%),
    url("tdc-cis-lab-system.png");
  background-size: cover;
  background-position: center;
}

.hero-grid {
  position: relative;
  min-height: 690px;
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(360px, 0.82fr);
  gap: 46px;
  align-items: center;
  padding: 70px 0 60px;
}

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

.eyebrow {
  margin: 0 0 14px;
  color: #86e7d8;
  font-size: 13px;
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1, h2, h3, p, li, td, th, span, a, button, label {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.keep {
  display: inline-block;
}

h1 {
  margin-bottom: 20px;
  font-size: 64px;
  line-height: 1.06;
  font-weight: 950;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: 42px;
  line-height: 1.13;
  font-weight: 940;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.25;
  font-weight: 920;
  letter-spacing: 0;
}

.lead {
  margin-bottom: 28px;
  color: #dbe7f3;
  font-size: 18px;
}

.hero-disciplines {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  max-width: 720px;
  margin: 0 0 24px;
  border-top: 1px solid rgba(219, 231, 243, 0.24);
  border-bottom: 1px solid rgba(219, 231, 243, 0.24);
}

.hero-disciplines span {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 8px 16px 8px 0;
  margin-right: 16px;
  color: #e6edf5;
  border-right: 1px solid rgba(219, 231, 243, 0.24);
  font-size: 13px;
  font-weight: 880;
}

.hero-note {
  max-width: 660px;
  margin-bottom: 18px;
  color: #b9e7df;
  font-size: 15px;
  font-weight: 800;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 17px;
  border: 1px solid transparent;
  border-radius: 4px;
  color: #fff;
  background: #173f82;
  font-weight: 900;
  cursor: pointer;
}

.button:hover {
  color: #fff;
  background: #102f66;
  text-decoration: none;
}

.button.secondary {
  background: rgba(8, 17, 31, 0.34);
  border-color: rgba(219, 231, 243, 0.46);
}

.hero-device {
  align-self: end;
  padding: 16px;
  border: 1px solid rgba(219, 231, 243, 0.2);
  background: rgba(8, 17, 31, 0.64);
  box-shadow: var(--shadow);
}

.hero-device img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.device-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 7px;
  margin-top: 12px;
}

.device-strip button {
  min-height: 34px;
  border: 1px solid rgba(219, 231, 243, 0.16);
  color: #dbe7f3;
  background: rgba(8, 17, 31, 0.6);
  cursor: pointer;
  font-size: 12px;
  font-weight: 900;
}

.device-strip button:hover,
.device-strip button.is-active {
  color: #07111e;
  background: #b9e7df;
}

.section {
  padding: 78px 0;
}

.section.alt {
  background: #fff;
}

.section-head {
  max-width: 800px;
  margin-bottom: 30px;
}

.compact-head {
  max-width: 980px;
}

.section-head p,
.product-copy p,
.tech-panel p,
.contact-layout p {
  color: var(--muted);
  font-size: 17px;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.business-map {
  border-bottom: 1px solid var(--line);
}

.business-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 36px minmax(0, 1fr) 36px minmax(0, 1fr);
  gap: 12px;
  align-items: stretch;
}

.business-card {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.business-card span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 4px 8px;
  color: #fff;
  background: var(--ink);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.business-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 24px;
  line-height: 1.2;
  font-weight: 950;
}

.business-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.business-output {
  border-color: rgba(15, 118, 110, 0.36);
  background: #f4fbfa;
}

.business-arrow {
  display: grid;
  place-items: center;
  color: var(--teal);
  font-size: 28px;
  font-weight: 950;
}

.solution-card,
.industry-card,
.contact-card,
.product-shot,
.capability,
.flow-card,
.page-link-grid a {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}

.solution-card {
  min-height: 242px;
  padding: 22px;
}

.solution-card p,
.industry-card p {
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  margin-top: 10px;
  color: var(--blue);
  font-weight: 900;
}

.solution-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-self: center;
}

.solution-nav a {
  min-height: 184px;
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 20px;
  color: #fff;
  border: 1px solid rgba(219, 231, 243, 0.24);
  border-radius: 4px;
  background: rgba(8, 17, 31, 0.72);
  box-shadow: var(--shadow-sm);
}

.solution-nav a:hover {
  border-color: #86e7d8;
  background: rgba(16, 24, 39, 0.9);
  text-decoration: none;
}

.solution-nav span {
  color: #86e7d8;
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.solution-nav strong {
  font-size: 20px;
  line-height: 1.22;
  font-weight: 950;
}

.solution-nav p {
  margin-bottom: 0;
  color: #dbe7f3;
  font-size: 14px;
}

.business-model-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.business-model-grid.product-card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.business-model-card {
  min-height: 230px;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 20px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.business-model-card:hover {
  border-color: #9db8d8;
  text-decoration: none;
}

.business-model-card span {
  color: var(--teal);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.business-model-card strong {
  font-size: 22px;
  line-height: 1.2;
  font-weight: 950;
}

.business-model-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.business-model-card em {
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: 13px;
  font-style: normal;
  font-weight: 900;
}

.product-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.product-card {
  display: grid;
  grid-template-columns: minmax(190px, 0.62fr) minmax(0, 1fr);
  gap: 18px;
  min-height: 250px;
  padding: 16px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.product-card:hover {
  border-color: #9db8d8;
  text-decoration: none;
}

.product-card img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
  border-radius: 4px;
}

.product-card h3 {
  color: var(--ink);
}

.product-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.product-card.education-card {
  grid-column: span 2;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  margin-bottom: 12px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  background: var(--surface);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.tag.blue { color: var(--blue); background: #eef4ff; border-color: #c8d8f2; }
.tag.cyan { color: var(--cyan); background: #edf8fb; border-color: #bfdae2; }
.tag.amber { color: var(--amber); background: #fbf4e8; border-color: #e1c48d; }
.tag.violet { color: var(--violet); background: #f2f1fb; border-color: #d1cdf0; }
.tag.green { color: var(--green); background: #eef8f2; border-color: #bfdcc9; }

.product-line-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.product-line-card {
  min-height: 500px;
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  gap: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.product-line-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  margin-bottom: 16px;
  border-radius: 4px;
}

.product-line-card h3 {
  margin-bottom: 10px;
}

.product-line-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}

.product-line-card .text-link {
  align-self: end;
}

.list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(420px, 1fr);
  gap: 28px;
  align-items: center;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.spec-grid div {
  min-height: 92px;
  padding: 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.spec-grid strong,
.capability strong {
  display: block;
  margin-bottom: 5px;
  font-weight: 950;
}

.spec-grid span,
.capability span {
  color: var(--muted);
  font-size: 14px;
}

.product-shot {
  padding: 18px;
}

.product-shot img {
  width: 100%;
  border-radius: 4px;
}

.claim-note {
  margin-top: 20px;
  padding: 16px;
  border-left: 5px solid var(--amber);
  color: #3f3120;
  background: #fbf6ec;
  font-size: 15px;
  font-weight: 760;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.capability {
  min-height: 132px;
  padding: 18px;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.technology-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 10px;
  align-items: stretch;
  padding: 18px;
  margin-bottom: 18px;
}

.technology-card-grid {
  margin-top: 16px;
}

.proof-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(420px, 1fr);
  gap: 22px;
  align-items: start;
  margin-top: 22px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #f8fafc;
  box-shadow: var(--shadow-sm);
}

.proof-panel p {
  margin-bottom: 0;
  color: var(--muted);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.proof-grid div {
  min-height: 126px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}

.proof-grid strong {
  display: block;
  margin-bottom: 6px;
  font-weight: 950;
}

.proof-grid span {
  color: var(--muted);
  font-size: 14px;
}

.curriculum-grid,
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.curriculum-grid.detailed {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.curriculum-grid article,
.roadmap-grid div,
.application-list div {
  min-height: 190px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.curriculum-grid article span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 4px 8px;
  color: var(--blue);
  background: #eef4ff;
  border: 1px solid #c8d8f2;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 950;
}

.curriculum-grid article p,
.roadmap-grid span,
.application-list span {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.roadmap-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.roadmap-grid div {
  min-height: 150px;
}

.roadmap-grid strong,
.application-list strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 950;
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.package-card {
  min-height: 236px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.package-card span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 4px 8px;
  color: var(--teal);
  background: #edf8f5;
  border: 1px solid #b9ded7;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 950;
}

.package-card p {
  color: var(--muted);
}

.package-card strong {
  display: block;
  font-size: 14px;
  font-weight: 900;
}

.industry-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.58fr) minmax(420px, 1fr);
  gap: 24px;
  align-items: center;
}

.industry-copy {
  margin-bottom: 0;
}

.industry-visual img {
  width: 100%;
  border-radius: 4px;
  box-shadow: var(--shadow);
}

.industry-signal-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.industry-signal-map div,
.measurement-stack div {
  min-height: 88px;
  padding: 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.industry-signal-map strong,
.measurement-stack strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 950;
}

.industry-signal-map span,
.measurement-stack span {
  color: var(--muted);
  font-size: 13px;
}

.industry-layout .industry-grid {
  grid-column: 1 / -1;
}

.industry-card {
  min-height: 182px;
  padding: 20px;
}

.engagement-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr) 28px minmax(0, 1fr) 28px minmax(0, 1fr);
  gap: 10px;
  align-items: stretch;
}

.flow-card {
  min-height: 184px;
  padding: 20px;
}

.flow-card span {
  display: inline-grid;
  width: 38px;
  height: 38px;
  margin-bottom: 16px;
  place-items: center;
  color: #fff;
  background: var(--ink);
  font-size: 13px;
  font-weight: 950;
}

.flow-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 20px;
  font-weight: 950;
}

.flow-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.flow-connector {
  display: grid;
  place-items: center;
  color: var(--teal);
  font-size: 28px;
  font-weight: 950;
}

.process-list {
  counter-reset: step;
  display: grid;
  gap: 12px;
}

.process-item {
  counter-increment: step;
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  background: #fff;
}

.process-item::before {
  content: counter(step, decimal-leading-zero);
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--ink);
  font-weight: 950;
}

.process-item p {
  margin-bottom: 0;
  color: var(--muted);
}

.tech-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.68fr);
  gap: 18px;
  align-items: center;
}

.measurement-stack {
  display: grid;
  gap: 10px;
}

.page-link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.page-link-grid a {
  min-height: 74px;
  display: flex;
  align-items: center;
  padding: 18px;
  color: var(--ink);
  font-weight: 900;
}

.page-link-grid a:hover {
  color: var(--blue);
  text-decoration: none;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1fr);
  gap: 24px;
  align-items: start;
}

.contact-card {
  display: grid;
  gap: 14px;
  padding: 22px;
}

.contact-card strong {
  font-size: 20px;
  font-weight: 950;
}

.contact-card p {
  margin-bottom: 0;
}

.contact-prep {
  display: grid;
  gap: 8px;
}

.contact-prep strong {
  font-size: 15px;
}

.contact-prep ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.contact-card .button.secondary {
  color: var(--blue);
  background: #fff;
  border-color: var(--line);
}

.contact-card .button.secondary:hover {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

.email-line {
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: #f8fafc;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  user-select: text;
}

.site-footer {
  padding: 30px 0;
  color: #dbe7f3;
  background: var(--navy);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}

.footer-links a {
  color: #dbe7f3;
  font-size: 14px;
}

.detail-hero {
  padding: 86px 0 50px;
  color: #fff;
  background: #08111f;
  border-bottom: 1px solid #1f2f46;
}

.detail-main {
  padding: 0 0 78px;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 18px;
}

.detail-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}

.detail-hero-media {
  padding: 72px 0;
}

.detail-hero-grid,
.split-media {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1fr);
  gap: 28px;
  align-items: center;
}

.split-media.reverse {
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.95fr);
}

.image-frame {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: var(--shadow);
}

.image-frame.dark {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
}

.image-frame img {
  width: 100%;
  border-radius: 4px;
}

.image-frame.mascot {
  margin-top: 26px;
}

.image-frame.mascot img {
  max-height: 380px;
  width: auto;
  margin: 0 auto;
  display: block;
}

.split-media .page-link-grid {
  margin-top: 22px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-section {
  padding: 70px 0;
  background: #fff;
}

.detail-section.alt {
  background: var(--soft);
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.outcome-card {
  min-height: 182px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.outcome-card p {
  color: var(--muted);
}

.diagram {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.flow-diagram {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr) auto) minmax(0, 1fr);
  gap: 10px;
  align-items: stretch;
  padding: 18px;
}

.module-diagram {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 10px;
  align-items: stretch;
  padding: 18px;
}

.flow-node,
.diagram-core {
  min-height: 112px;
  display: grid;
  align-content: center;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
}

.diagram-core {
  color: #fff;
  border-color: #1f2f46;
  background: #101827;
}

.module-core {
  min-height: 132px;
}

.flow-node strong,
.diagram-core strong {
  font-size: 18px;
  font-weight: 950;
}

.flow-node span,
.diagram-core span {
  color: var(--muted);
  font-size: 14px;
}

.diagram-core span {
  color: #dff7f3;
}

.flow-arrow {
  display: grid;
  place-items: center;
  color: var(--teal);
  font-size: 28px;
  font-weight: 950;
}

.system-diagram {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.9fr) minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
  padding: 18px;
}

.diagram-column {
  display: grid;
  gap: 12px;
}

.spec-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.spec-list div {
  min-height: 80px;
  padding: 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.spec-list strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 950;
}

.spec-list span {
  color: var(--muted);
  font-size: 14px;
}

.application-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.application-list div {
  min-height: 132px;
  padding: 16px;
  box-shadow: none;
}

.table-wrap {
  overflow-x: auto;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.spec-table th,
.spec-table td {
  padding: 15px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  color: #fff;
  background: var(--ink);
  font-weight: 920;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 20px;
}

.check-grid span {
  min-height: 42px;
  display: grid;
  place-items: center;
  padding: 8px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 880;
  text-align: center;
}

@media (max-width: 1000px) {
  h1 {
    font-size: 58px;
  }

  h2 {
    font-size: 40px;
  }

  .hero-grid,
  .product-layout,
  .industry-layout,
  .tech-panel,
  .contact-layout,
  .detail-grid,
  .detail-hero-grid,
  .split-media,
  .split-media.reverse,
  .proof-panel,
  .system-diagram {
    grid-template-columns: 1fr;
  }

  .solution-grid,
  .capability-grid,
  .industry-grid,
  .page-link-grid,
  .outcome-grid,
  .proof-grid,
  .package-grid,
  .product-card-grid,
  .business-model-grid,
  .product-line-grid,
  .curriculum-grid,
  .curriculum-grid.detailed,
  .roadmap-grid,
  .application-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .business-model-grid.product-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-diagram,
  .technology-flow,
  .module-diagram,
  .engagement-flow,
  .business-flow {
    grid-template-columns: 1fr;
  }

  .flow-arrow,
  .flow-connector,
  .business-arrow {
    transform: rotate(90deg);
  }

  .product-card.education-card {
    grid-column: span 2;
  }
}

@media (max-width: 720px) {
  h1 {
    font-size: 38px;
    line-height: 1.09;
  }

  h2 {
    font-size: 30px;
  }

  .nav-row {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px 0;
  }

  .brand-logo {
    max-width: 64vw;
  }

  .nav-links {
    width: 100%;
  }

  .hero-grid {
    min-height: auto;
    padding: 46px 0 38px;
  }

  .hero {
    min-height: auto;
  }

  .hero-bg {
    background-position: 58% center;
  }

  .hero-actions {
    margin-bottom: 0;
  }

  .hero-disciplines span {
    flex: 1 1 46%;
    margin-right: 0;
    padding-right: 12px;
  }

  .hero-device {
    display: none;
  }

  .solution-grid,
  .capability-grid,
  .industry-grid,
  .industry-signal-map,
  .page-link-grid,
  .spec-grid,
  .outcome-grid,
  .proof-grid,
  .package-grid,
  .check-grid,
  .solution-nav,
  .product-card-grid,
  .business-model-grid,
  .product-line-grid,
  .curriculum-grid,
  .curriculum-grid.detailed,
  .roadmap-grid,
  .application-list {
    grid-template-columns: 1fr;
  }

  .business-model-grid.product-card-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    grid-template-columns: 1fr;
  }

  .product-card.education-card {
    grid-column: auto;
  }

  .detail-hero-media {
    padding: 52px 0;
  }

  .detail-section {
    padding: 54px 0;
  }

  .section {
    padding: 56px 0;
  }

  .process-item {
    grid-template-columns: 1fr;
  }

  .footer-row {
    align-items: flex-start;
    flex-direction: column;
  }
}