:root {
  --bg: #eef5ff;
  --surface: #ffffff;
  --surface-alt: #e8f1ff;
  --text: #0f213d;
  --muted: #486184;
  --line: #c8d8ef;
  --accent: #1f66d1;
  --accent-strong: #154aa0;
  --accent-soft: #dbe9ff;
  --ink-deep: #071a3d;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shell: 1120px;
  --shadow: 0 20px 45px rgba(18, 53, 112, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.58;
  color: var(--text);
  background:
    radial-gradient(80rem 40rem at 95% -8%, #dce9ff 0, transparent 58%),
    radial-gradient(65rem 36rem at 0 -12%, #edf4ff 0, transparent 60%),
    var(--bg);
}

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

img {
  max-width: 100%;
  height: auto;
}

a:focus-visible {
  outline: 3px solid color-mix(in oklab, var(--accent) 65%, white);
  outline-offset: 3px;
  border-radius: 10px;
}

.shell {
  width: min(var(--shell), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  color: #163766;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg) 76%, white);
  border-bottom: 1px solid color-mix(in oklab, var(--line) 80%, white);
}

.top-bar {
  min-height: 4.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
}

.brand-logo {
  height: 3rem;
  width: auto;
  display: block;
  filter: drop-shadow(0 6px 12px rgba(17, 66, 143, 0.2));
}

.brand-text {
  font-size: 0.96rem;
  letter-spacing: 0.01em;
  color: var(--text);
}

.main-nav {
  margin-left: auto;
  margin-right: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.main-nav a {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 600;
  padding: 0.25rem 0.35rem;
  border-radius: 8px;
  transition: color 160ms ease, background-color 160ms ease;
}

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

.main-nav a[aria-current="true"] {
  color: #173c75;
  background: color-mix(in oklab, var(--accent-soft) 55%, white);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.78rem 1.25rem;
  border: 1px solid transparent;
  font-size: 0.92rem;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #f5f9ff;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 20px rgba(21, 74, 160, 0.24);
}

.button-small {
  padding: 0.58rem 0.9rem;
}

.button-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.button-ghost:hover {
  box-shadow: none;
  background: color-mix(in oklab, var(--surface-alt) 65%, white);
}

.hero {
  padding: 4rem 0 2.8rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(22rem, 0.92fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
}

.hero-copy h1,
h2 {
  margin: 0;
  font-family: inherit;
  letter-spacing: -0.045em;
  line-height: 1.02;
  font-weight: 750;
}

.hero-copy h1 {
  max-width: 13ch;
  margin-top: 1rem;
  font-size: clamp(2.5rem, 5.2vw, 4.6rem);
  text-wrap: balance;
}

h2 {
  margin-top: 0.7rem;
  font-size: clamp(1.55rem, 3.1vw, 2.65rem);
  text-wrap: balance;
}

.kicker {
  display: inline-flex;
  margin: 0;
  padding: 0.32rem 0.72rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #2b528f;
  background: color-mix(in oklab, var(--accent-soft) 62%, white);
  font-weight: 700;
}

.intro {
  max-width: 54ch;
  color: var(--muted);
  margin-top: 0.95rem;
  margin-bottom: 0;
  line-height: 1.68;
}

.hero-actions {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.check-list {
  list-style: none;
  margin: 1.15rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.check-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--muted);
}

.check-list li::before {
  content: "";
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  position: absolute;
  left: 0.2rem;
  top: 0.39rem;
  background: radial-gradient(circle at 30% 30%, #7bb3ff, var(--accent));
}

.hero-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface), #eff6ff);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.hero-visual {
  position: relative;
  overflow: hidden;
  margin: 0 0 1rem;
  border-radius: calc(var(--radius-lg) - 8px);
  min-height: 13rem;
  background: #101f62;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 52%, rgba(6, 20, 56, 0.78));
  pointer-events: none;
}

.hero-visual img {
  width: 100%;
  height: 15rem;
  display: block;
  object-fit: cover;
  transform: scale(1.02);
}

.hero-visual figcaption {
  position: absolute;
  z-index: 1;
  left: 1rem;
  bottom: 0.8rem;
  color: #f6f9ff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-logo {
  height: 2.8rem;
  width: auto;
  display: block;
  margin-bottom: 0.6rem;
  filter: drop-shadow(0 8px 14px rgba(15, 49, 112, 0.18));
}

.card-title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
  color: #234571;
  padding-inline: 0.25rem;
}

.metric-grid {
  margin-top: 0.85rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.hero-card .metric-wide {
  grid-column: 1 / -1;
}

.metric-grid > div {
  min-height: 8.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--surface-alt) 75%, white);
  border: 1px solid color-mix(in oklab, var(--line) 85%, white);
  padding: 0.75rem;
}

.patent-comparison {
  margin: 2rem 0 0;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid rgba(190, 216, 255, 0.24);
  border-radius: var(--radius-lg);
  background: rgba(220, 234, 255, 0.075);
}

.patent-diagram {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: clamp(0.75rem, 3vw, 2rem);
  align-items: center;
}

.comparison-panel {
  min-height: 11rem;
  padding: 1rem;
  border: 1px solid rgba(190, 216, 255, 0.2);
  border-radius: var(--radius-md);
  background: rgba(220, 234, 255, 0.08);
}

.comparison-label {
  display: block;
  color: #cfe0fb;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.comparison-divider {
  color: #9fc3f5;
  font-weight: 800;
  text-transform: uppercase;
}

.comparison-image-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-top: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 12px;
  background: #0b1e57;
}

.comparison-image-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.patent-comparison figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1rem;
  color: #f4f8ff;
}

.patent-comparison figcaption span {
  color: #c6d7ee;
}

.metric-value {
  margin: 0;
  font-family: inherit;
  font-weight: 750;
  font-size: 1.65rem;
  line-height: 1;
}

.metric-label {
  margin: 0.3rem 0 0;
  color: #516f98;
  font-size: 0.84rem;
}

.testimonial {
  margin: 0.9rem 0 0;
  color: #2d4d79;
}

.testimonial-by {
  margin-top: 0.3rem;
  color: #55739b;
  font-size: 0.88rem;
  font-weight: 600;
}

.capability-flow {
  margin-top: 1rem;
  border: 1px dashed color-mix(in oklab, var(--line) 80%, white);
  border-radius: var(--radius-md);
  padding: 0.7rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  background: color-mix(in oklab, var(--surface-alt) 75%, white);
}

.flow-node {
  flex: 1 1 8rem;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--line) 80%, white);
  background: #fff;
  color: #234671;
  font-size: 0.78rem;
  text-align: center;
  font-weight: 700;
  padding: 0.45rem 0.6rem;
}

.flow-arrow {
  color: #5678a7;
  font-weight: 800;
  padding: 0 0.1rem;
}

.trust-strip {
  padding: 0.3rem 0 2.5rem;
}

.trust-row {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: var(--shadow);
  min-height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.55rem 1rem;
}

.trust-row span {
  font-size: 0.84rem;
  font-weight: 700;
  color: #425f87;
}

.trust-row span:not(:last-child)::after {
  content: "";
  display: inline-block;
  width: 0.25rem;
  height: 0.25rem;
  margin-left: 1rem;
  vertical-align: middle;
  border-radius: 50%;
  background: #8eacd4;
}

.section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  scroll-margin-top: 5rem;
}

.section-heading {
  max-width: 50rem;
  margin-bottom: 1.6rem;
}

.challenge-section {
  color: #f4f8ff;
  background:
    radial-gradient(42rem 26rem at 100% 0%, rgba(71, 143, 255, 0.28), transparent 68%),
    linear-gradient(145deg, #102f6c, var(--ink-deep));
}

.challenge-section .section-heading {
  max-width: 58rem;
}

.challenge-section h2 {
  color: #f6f9ff;
}

.challenge-section .intro {
  color: #c6d7ee;
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.challenge-card {
  min-height: 12.5rem;
  padding: 1.15rem;
  border: 1px solid rgba(190, 216, 255, 0.2);
  border-radius: var(--radius-md);
  background: rgba(220, 234, 255, 0.075);
}

.challenge-card > span {
  color: #9fc3f5;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.challenge-card h3 {
  margin: 0.9rem 0 0;
  color: #f4f8ff;
  font-size: 1.15rem;
  letter-spacing: -0.025em;
}

.challenge-card p {
  margin: 0.55rem 0 0;
  color: #bfd0e8;
  font-size: 0.9rem;
}

.eyebrow {
  margin: 0;
  color: #2b5da2;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.company-proof {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  gap: 1rem;
  margin: 1.6rem 0 1rem;
}

.company-proof-single {
  grid-template-columns: 1fr;
}

.technology-section {
  border-block: 1px solid color-mix(in oklab, var(--line) 78%, white);
  background:
    radial-gradient(52rem 26rem at 100% 0%, rgba(68, 134, 234, 0.1), transparent 68%),
    color-mix(in oklab, var(--surface-alt) 44%, white);
}

.technology-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  gap: 1rem;
  align-items: stretch;
}

.technology-feature + .technology-feature {
  margin-top: 1rem;
}

.technology-feature-reverse {
  grid-template-columns: minmax(18rem, 0.75fr) minmax(0, 1.25fr);
}

.technology-figure,
.technology-copy {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 14px 34px rgba(18, 53, 112, 0.09);
}

.technology-figure {
  overflow: hidden;
}

.technology-figure img {
  display: block;
  width: 100%;
  height: auto;
  background: #fff;
}

.technology-figure figcaption {
  padding: 0.75rem 1rem 0.9rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.technology-copy {
  padding: clamp(1.25rem, 3vw, 2rem);
}

.technology-copy h3,
.product-concepts-heading h3 {
  margin: 0.45rem 0 0;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.035em;
}

.technology-copy > p:last-of-type {
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.technical-points {
  display: grid;
  gap: 0.55rem;
  margin: 1.15rem 0 0;
  padding: 0;
  list-style: none;
}

.technical-points li {
  position: relative;
  padding-left: 1.25rem;
  color: #355d91;
  font-size: 0.9rem;
  font-weight: 700;
}

.technical-points li::before {
  content: "";
  position: absolute;
  top: 0.5em;
  left: 0;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
}

.product-concepts-heading {
  margin-top: 2rem;
}

.product-concept-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.product-concept-card {
  min-height: 12rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.9);
}

.product-concept-card > span {
  color: #2c63ae;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.product-concept-card h3 {
  margin: 0.8rem 0 0;
  font-size: 1.12rem;
  letter-spacing: -0.025em;
}

.product-concept-card p {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.leadership-card,
.lab-card {
  min-height: 15rem;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 14px 34px rgba(18, 53, 112, 0.09);
}

.leadership-card {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1.3rem;
  align-items: center;
  padding: 1.2rem;
}

.leadership-card > img {
  width: 100%;
  height: 13rem;
  object-fit: contain;
  filter: drop-shadow(0 10px 18px rgba(15, 33, 61, 0.16));
}

.leadership-card h3 {
  margin: 0.3rem 0 0;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  letter-spacing: -0.035em;
}

.leadership-card p:not(.eyebrow),
.lab-card figcaption {
  color: var(--muted);
}

.leadership-card .role-line {
  margin: 0.2rem 0 0.7rem;
  color: #244b82;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.leadership-card p:last-child {
  margin: 0;
}

.lab-card {
  position: relative;
  display: grid;
  min-height: 15rem;
  background: #10264e;
}

.lab-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 38%, rgba(7, 26, 61, 0.86));
  pointer-events: none;
}

.lab-card img {
  width: 100%;
  height: 100%;
  min-height: 15rem;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.06);
}

.lab-card figcaption {
  position: absolute;
  z-index: 1;
  left: 1.1rem;
  right: 1.1rem;
  bottom: 1rem;
  color: #f3f7ff;
  font-size: 0.88rem;
  font-weight: 750;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.capability-card {
  position: relative;
  min-height: 12rem;
  padding: 1.15rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, #ffffff, #edf4ff);
}

.capability-card > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  color: #255ca9;
  background: #dceaff;
  font-size: 0.72rem;
  font-weight: 800;
}

.capability-card h3 {
  margin: 1.2rem 0 0;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.capability-card p {
  margin: 0.45rem 0 0;
  color: var(--muted);
}

.card-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.service-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  background: var(--surface);
  box-shadow: 0 14px 34px rgba(18, 53, 112, 0.09);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.service-card:hover {
  transform: translateY(-2px);
  border-color: #a9c2e5;
  box-shadow: 0 18px 40px rgba(18, 53, 112, 0.13);
}

.service-card h3,
.timeline h3 {
  margin: 0;
  font-family: inherit;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
}

.concept-head {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.concept-graphic {
  width: 1.05rem;
  height: 1.05rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 1.05rem;
}

.concept-icon {
  width: 1rem;
  height: 1rem;
  display: block;
}

.service-card p,
.timeline p,
details p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

.timeline {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  counter-reset: flow;
}

.timeline li {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.split-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1rem;
  align-items: start;
}

.quote-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  background: linear-gradient(170deg, #1f5fc3, #153d83);
  color: #eef4ff;
}

.quote-panel .quote {
  margin: 0;
  font-family: "Fraunces", "Georgia", serif;
  font-size: clamp(1.2rem, 2.2vw, 1.7rem);
  line-height: 1.3;
}

.quote-panel .testimonial-by {
  color: #d4e4ff;
}

.priority-stack {
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(212, 228, 255, 0.3);
}

.stack-title {
  margin: 0 0 0.6rem;
  color: #dbe8ff;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.priority-row {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.6rem;
}

.priority-row span {
  font-size: 0.84rem;
  color: #e7efff;
}

.bar {
  width: 100%;
  height: 0.5rem;
  border-radius: 999px;
  background: rgba(233, 242, 255, 0.2);
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #78aeff, #bdd8ff);
}

.faq-list {
  margin-top: 1rem;
  display: grid;
  gap: 0.65rem;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

summary {
  cursor: pointer;
  font-weight: 700;
}

summary::marker {
  color: #5878a7;
}

.cta-section {
  padding-top: 2.2rem;
  padding-bottom: 3rem;
}

.cta-panel {
  display: grid;
  gap: 1rem;
  align-items: center;
  grid-template-columns: 1.05fr 0.95fr;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #edf4ff, #e4efff);
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.cta-actions {
  display: grid;
  gap: 0.6rem;
}

.cta-actions .button {
  width: 100%;
}

.market-grid {
  margin-bottom: 1rem;
}

.roadmap-section {
  border-block: 1px solid color-mix(in oklab, var(--line) 78%, white);
  background:
    radial-gradient(55rem 25rem at 100% 10%, rgba(68, 134, 234, 0.11), transparent 68%),
    color-mix(in oklab, var(--surface-alt) 42%, white);
}

.roadmap-track {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 2rem 0 0;
  padding: 0;
  counter-reset: roadmap;
}

.roadmap-track li {
  position: relative;
  min-height: 10.5rem;
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 12px 28px rgba(18, 53, 112, 0.08);
}

.roadmap-track li > span {
  color: #8da8cc;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.roadmap-track h3 {
  margin: 0.65rem 0 0;
  font-size: 1.12rem;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.roadmap-label {
  margin: 0.9rem 0 0;
  color: #2c63ae;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.roadmap-wedge {
  color: #f4f8ff;
  border-color: #2259aa !important;
  background: linear-gradient(145deg, #276acb, #143f85) !important;
}

.roadmap-wedge > span,
.roadmap-wedge .roadmap-label {
  color: #cfe0fb;
}

.commercial-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.commercial-callout {
  padding: 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #ffffff;
}

.commercial-callout h3 {
  margin: 0.45rem 0 0;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.commercial-callout p:last-child {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.commercial-near {
  border-color: #9dbce6;
  box-shadow: inset 0 3px 0 #2b6bc5;
}

.business-model {
  display: grid;
  grid-template-columns: minmax(15rem, 0.72fr) minmax(0, 1.28fr);
  gap: 2rem;
  align-items: start;
  margin-top: 1rem;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border-radius: var(--radius-lg);
  color: #f3f7ff;
  background:
    radial-gradient(36rem 20rem at 100% 0%, rgba(64, 139, 255, 0.36), transparent 68%),
    linear-gradient(145deg, #102f6c, var(--ink-deep));
  box-shadow: 0 22px 48px rgba(7, 26, 61, 0.2);
}

.business-model h2 {
  margin-top: 0.8rem;
  color: #f4f8ff;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.revenue-steps {
  list-style: none;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
}

.revenue-steps li {
  position: relative;
  display: grid;
  grid-template-columns: minmax(8.5rem, 0.48fr) minmax(0, 1fr);
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(193, 216, 249, 0.2);
}

.revenue-steps li:first-child {
  padding-top: 0;
}

.revenue-steps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.revenue-steps span {
  color: #e6efff;
  font-size: 0.86rem;
  font-weight: 800;
}

.revenue-steps p {
  margin: 0;
  color: #b9cce6;
  font-size: 0.88rem;
}

.market-visuals {
  margin-top: 1rem;
}

.market-select {
  width: 100%;
  min-height: 4.5rem;
  margin-top: 0.65rem;
  margin-bottom: 0.75rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--accent);
  padding: 0.85rem 3rem 0.85rem 1rem;
  font: inherit;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 700;
  color: var(--text);
  background-color: #f8fbff;
  box-shadow: 0 10px 24px rgba(31, 102, 209, 0.14);
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.market-select:hover {
  border-color: var(--accent-strong);
  background-color: #fff;
  box-shadow: 0 13px 28px rgba(31, 102, 209, 0.2);
}

.market-select:focus-visible {
  outline: 4px solid color-mix(in oklab, var(--accent) 45%, white);
  outline-offset: 4px;
  border-color: var(--accent-strong);
}

.market-caption {
  margin-top: 0;
  margin-bottom: 0.7rem;
  color: #4f6f98;
}

#marketImage {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}


.select-label {
  display: block;
  margin-top: 0.8rem;
  color: #244f8d;
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  font-weight: 800;
}

.select-hint {
  margin: 0.2rem 0 0 !important;
  color: #5a7398 !important;
  font-size: 0.88rem;
}

.tech-lanes .timeline {
  margin-top: 0.7rem;
}

.tech-lanes .timeline li {
  padding: 0.85rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.15rem 0 1.45rem;
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: #3d5e8a;
  font-size: 0.88rem;
  font-weight: 650;
}

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

.contact-section {
  padding-top: 2rem;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(16rem, 0.75fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  overflow: hidden;
  position: relative;
  padding: clamp(1.6rem, 4vw, 3rem);
  color: #f4f8ff;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(30rem 18rem at 95% 0%, rgba(66, 139, 255, 0.45), transparent 70%),
    linear-gradient(145deg, #102f6c, var(--ink-deep));
  box-shadow: 0 24px 55px rgba(7, 26, 61, 0.22);
}

.contact-panel-compact {
  grid-template-columns: minmax(0, 1fr) auto;
}

.contact-panel-compact .kicker {
  margin: 0;
}

.contact-panel::after {
  content: "";
  position: absolute;
  right: -7rem;
  bottom: -10rem;
  width: 22rem;
  height: 22rem;
  border: 1px solid rgba(137, 189, 255, 0.3);
  border-radius: 50%;
  box-shadow: 0 0 0 3rem rgba(76, 144, 244, 0.06), 0 0 0 6rem rgba(76, 144, 244, 0.04);
  pointer-events: none;
}

.contact-panel h2 {
  max-width: 17ch;
}

.contact-panel p:not(.kicker) {
  max-width: 58ch;
  margin: 1rem 0 0;
  color: #c8d8ef;
}

.kicker-dark {
  color: #dbeaff;
  border-color: rgba(190, 216, 255, 0.3);
  background: rgba(219, 234, 255, 0.1);
}

.contact-actions {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: start;
  gap: 0.75rem;
}

.button-light {
  color: #10264e;
  background: #f5f8ff;
}

.button-light:hover {
  background: #ffffff;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
}

.contact-link {
  color: #f4f8ff;
  font-weight: 700;
}

.contact-access-note {
  margin: 0 !important;
  color: #b9cce6 !important;
  font-size: 0.82rem;
}

.contact-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.contact-note {
  color: #a9bfdd;
  font-size: 0.86rem;
}

.reference-main {
  min-height: calc(100vh - 10rem);
}

.reference-header {
  max-width: 48rem;
}

.reference-header h1 {
  margin: 0.8rem 0 0;
  max-width: 18ch;
  font-size: clamp(2.3rem, 6vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  font-weight: 750;
}

.reference-panel {
  margin-top: 1.5rem;
}

.reference-panel .list {
  display: grid;
  gap: 0.8rem;
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.reference-panel .list li {
  padding-left: 0.25rem;
}

.reference-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}

.footer-row p {
  margin: 0;
  color: #4a6790;
}

.footer-brand p,
.footer-copy {
  font-size: 0.92rem;
  line-height: 1.2;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.footer-logo {
  height: 2.5rem;
  width: auto;
  display: block;
}

.to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.4rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .hero-grid,
  .split-layout,
  .cta-panel,
  .contact-panel,
  .company-proof,
  .business-model,
  .technology-feature {
    grid-template-columns: 1fr;
  }

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

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

  .top-bar {
    min-height: 4.25rem;
    flex-wrap: nowrap;
  }

  .main-nav {
    display: flex;
    width: auto;
    margin-left: auto;
    margin-right: 0;
    padding: 0;
    justify-content: flex-end;
    gap: 0.25rem;
  }

  .main-nav a {
    flex: 0 0 auto;
    padding: 0.4rem 0.45rem;
    border-radius: 8px;
    font-size: 0.82rem;
  }

  .top-bar > .button {
    margin-left: auto;
  }

  .card-grid,
  .timeline,
  .reference-columns,
  .capability-grid {
    grid-template-columns: 1fr;
  }

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

  .flow-arrow {
    display: none;
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(var(--shell), calc(100% - 1.5rem));
  }

  .brand-logo {
    width: 4.2rem;
    height: auto;
  }

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

  .main-nav {
    gap: 0;
  }

  .main-nav a {
    padding: 0.35rem 0.34rem;
    font-size: 0.76rem;
  }

  .hero {
    padding-top: 2.8rem;
  }

  .hero-copy h1 {
    font-size: clamp(2.35rem, 12vw, 3.2rem);
  }

  .hero-actions {
    display: grid;
  }

  .hero-actions .button {
    width: 100%;
  }

  .trust-row {
    justify-content: flex-start;
    border-radius: var(--radius-md);
    box-shadow: none;
  }

  .trust-row span {
    width: 100%;
  }

  .trust-row span:not(:last-child)::after {
    display: none;
  }

  .metric-grid {
    gap: 0.55rem;
  }

  .patent-diagram {
    grid-template-columns: 1fr;
  }

  .comparison-divider {
    text-align: center;
  }

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

  .challenge-grid {
    grid-template-columns: 1fr;
  }

  .leadership-card {
    grid-template-columns: 5.5rem 1fr;
    gap: 0.9rem;
    padding: 1rem;
  }

  .leadership-card > img {
    height: 9rem;
  }

  .roadmap-track,
  .commercial-grid {
    grid-template-columns: 1fr;
  }

  .roadmap-track li {
    min-height: auto;
  }

  .revenue-steps li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

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

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

  .button {
    transition: none;
  }

  .service-card {
    transition: none;
  }
}