:root {
  color-scheme: light;
  --ink: #13171a;
  --ink-soft: #1e2529;
  --paper: #f5f3ed;
  --white: #ffffff;
  --steel: #d4d9db;
  --steel-dark: #9da7ac;
  --slate: #526068;
  --blue: #1f607a;
  --blue-dark: #17485c;
  --sky: #ddecf2;
  --copper: #8b4c2b;
  --copper-pale: #eee2d9;
  --online: #19734a;
  --app-ink: #172026;
  --app-panel: #f7f8f7;
  --app-line: #d9dedb;
  --app-field: #eef4f1;
  --app-brand: #1f4e52;
  --app-chart: #365f6b;
  --app-moss: #496b5a;
  --app-rust: #b45f3c;
  --app-axis: #a8a29e;
  --app-muted: #78716c;
  --app-grid: #e7e5e4;
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --shell: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --section-space: clamp(78px, 10vw, 144px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  background: var(--paper);
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

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

h1,
h2,
h3 {
  text-wrap: balance;
}

h1 {
  max-width: 850px;
  margin-bottom: 28px;
  font-size: clamp(3.1rem, 6.4vw, 6.35rem);
  font-weight: 720;
  letter-spacing: -0.052em;
  line-height: 0.94;
}

h2 {
  margin-bottom: 28px;
  font-size: clamp(2.35rem, 4.5vw, 4.55rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
}

h3 {
  margin-bottom: 16px;
  font-size: clamp(1.38rem, 2vw, 2rem);
  letter-spacing: -0.025em;
  line-height: 1.14;
}

p {
  color: var(--slate);
}

.page-shell {
  width: min(100% - (2 * var(--gutter)), var(--shell));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-space);
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  transform: translateY(-150%);
  padding: 10px 14px;
  color: var(--white);
  background: var(--blue);
  font-weight: 700;
}

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

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  min-height: 78px;
  padding: 14px var(--gutter);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--white);
  background: rgba(19, 23, 26, 0.92);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(12px);
  transition: background 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(19, 23, 26, 0.96);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  text-decoration: none;
}

.brand img {
  width: 164px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.3vw, 34px);
  font-size: 0.78rem;
  font-weight: 720;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
}

.site-nav a:not(.nav-cta) {
  color: rgba(255, 255, 255, 0.96);
}

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

.site-nav .nav-cta {
  min-height: 46px;
  padding-inline: 18px;
  color: var(--ink);
  background: var(--white);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: inherit;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.hero {
  position: relative;
  min-height: min(920px, 100svh);
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
  isolation: isolate;
}

.hero-image {
  position: absolute;
  z-index: -3;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  object-fit: cover;
  object-position: 51% 48%;
}

.hero-shade {
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    linear-gradient(90deg, #13171a 0%, #13171a 37%, rgba(19, 23, 26, 0.93) 50%, rgba(19, 23, 26, 0.18) 76%, rgba(19, 23, 26, 0.05) 100%),
    linear-gradient(0deg, rgba(19, 23, 26, 0.88) 0%, rgba(19, 23, 26, 0) 38%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(240px, 5fr);
  grid-template-rows: 1fr auto;
  gap: 52px 32px;
  min-height: min(920px, 100svh);
  padding-top: clamp(142px, 16vh, 184px);
  padding-bottom: 46px;
}

.hero-copy {
  grid-column: 1;
  align-self: center;
  max-width: 860px;
}

.hero-identity {
  display: inline-flex;
  gap: 18px;
  align-items: center;
  max-width: 100%;
  margin-bottom: 28px;
}

.hero-bot-mark {
  position: relative;
  display: block;
  flex: 0 0 80px;
  width: 80px;
  height: 80px;
  overflow: hidden;
}

.hero-bot-mark img {
  position: absolute;
  top: -7px;
  left: 50%;
  width: 112px;
  max-width: none;
  height: 112px;
  transform: translateX(-50%);
}

.hero-identity-copy {
  display: grid;
  gap: 7px;
}

.hero-identity-title {
  color: #d8eef5;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 760;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-identity-status {
  display: flex;
  gap: 8px;
  align-items: center;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-identity-status > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #52b789;
  box-shadow: 0 0 0 4px rgba(82, 183, 137, 0.14);
}

.hero-lede {
  max-width: 730px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(1.08rem, 1.7vw, 1.32rem);
  line-height: 1.58;
}

.eyebrow {
  margin-bottom: 22px;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow.light {
  color: #9bc6d6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 13px 22px;
  border: 1px solid transparent;
  font-size: 0.86rem;
  font-weight: 760;
  letter-spacing: 0.055em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.button-primary:hover {
  background: var(--blue-dark);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--white);
  background: rgba(19, 23, 26, 0.28);
}

.button-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.event-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  max-width: 690px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.84rem;
}

.event-dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 0.58em;
  border-radius: 50%;
  background: #52b789;
  box-shadow: 0 0 0 4px rgba(82, 183, 137, 0.16);
}

.hero-readout {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(760px, 100%);
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(19, 23, 26, 0.28);
  backdrop-filter: blur(8px);
}

.hero-readout div {
  padding: 18px 22px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-readout div:last-child {
  border-right: 0;
}

.hero-readout dt {
  margin-bottom: 2px;
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-readout dd {
  margin: 0;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2vw, 1.85rem);
  font-weight: 700;
}

.split-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(42px, 9vw, 130px);
  align-items: start;
}

.split-intro h2 {
  max-width: 650px;
}

.intro-copy {
  max-width: 700px;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}

.intro-copy p:last-child,
p.intro-copy {
  margin-bottom: 0;
}

.comparison {
  display: grid;
  width: min(100% - (2 * var(--gutter)), 1040px);
  gap: 14px;
  margin-top: clamp(58px, 8vw, 104px);
}

.comparison-row {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 30px;
  align-items: center;
  min-height: 132px;
  padding: 22px 28px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 10px 28px rgba(19, 23, 26, 0.055);
}

.comparison-label {
  display: grid;
  gap: 4px;
}

.comparison-label span,
.comparison-legend span {
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.inspection-line {
  --timeline-endpoint: 1.3889%; /* Matches the signal path's 10 / 720 inset. */

  position: relative;
  height: 58px;
}

.inspection-line::before {
  position: absolute;
  top: 28px;
  right: var(--timeline-endpoint);
  left: var(--timeline-endpoint);
  height: 1px;
  background: var(--steel-dark);
  content: "";
}

.inspection-point {
  position: absolute;
  z-index: 1;
  top: 20px;
  width: 17px;
  height: 17px;
  border: 4px solid var(--paper);
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 1px var(--copper);
}

.point-first { left: calc(var(--timeline-endpoint) - 8.5px); }
.point-last { right: calc(var(--timeline-endpoint) - 8.5px); }

.unknown-gap {
  position: absolute;
  z-index: 2;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 14px;
  color: var(--slate);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-align: center;
  text-transform: uppercase;
}

.signal-stream {
  display: flex;
  min-width: 0;
  align-items: center;
}

.signal-stream svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.signal-area {
  fill: url(#history-fill);
}

.signal-line {
  fill: none;
  stroke: var(--blue);
  stroke-linecap: round;
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
}

.signal-samples {
  fill: var(--paper);
  stroke: var(--blue);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.comparison-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 4px;
}

.comparison-legend span {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(31, 96, 122, 0.09);
}

.dark-section {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
}

.section-heading {
  max-width: 850px;
  margin-bottom: clamp(46px, 7vw, 82px);
}

.section-heading > p:last-child,
.light-heading > p:last-child {
  max-width: 720px;
  margin-bottom: 0;
  font-size: 1.1rem;
}

.light-heading h2 {
  color: var(--white);
}

.light-heading > p:last-child {
  color: rgba(255, 255, 255, 0.62);
}

.measure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.measure-card {
  min-width: 0;
  padding: clamp(28px, 4vw, 52px);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(19, 23, 26, 0.9);
}

.measure-card h3 {
  max-width: 580px;
  color: var(--white);
}

.measure-card > p {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.62);
}

.primary-card {
  grid-row: span 2;
}

.event-card {
  grid-column: 2;
}

.card-index {
  margin-bottom: 52px;
  color: #9bc6d6;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.chart-frame {
  margin: 38px 0 34px;
  padding: 18px 18px 12px;
  border: 1px solid var(--app-line);
  border-radius: 6px;
  background: var(--white);
}

.chart-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.chart-meta div {
  display: grid;
  gap: 2px;
}

.chart-meta span {
  color: var(--app-ink);
  font-size: 0.78rem;
  font-weight: 680;
}

.chart-meta small {
  color: var(--app-muted);
  font-size: 0.68rem;
}

.chart-meta strong {
  color: var(--app-ink);
  font-size: 1rem;
}

.chart-frame canvas {
  width: 100%;
  height: 230px;
}

.spectrum-frame canvas {
  height: 150px;
}

.chart-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  padding-left: 42px;
  color: var(--app-muted);
  font-size: 0.62rem;
}

.plain-list,
.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.plain-list li {
  position: relative;
  padding: 13px 0 13px 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.86rem;
}

.plain-list li::before {
  position: absolute;
  top: 1.43rem;
  left: 2px;
  width: 7px;
  height: 1px;
  background: #9bc6d6;
  content: "";
}

.mini-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.mini-specs div {
  padding: 16px 14px 0 0;
}

.mini-specs dt {
  color: rgba(255, 255, 255, 0.46);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  text-transform: uppercase;
}

.mini-specs dd {
  margin: 4px 0 0;
  color: var(--white);
  font-family: var(--font-mono);
  font-weight: 700;
}

.event-plot {
  height: 150px;
  margin: 34px 0 10px;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.event-plot svg {
  display: block;
  width: 100%;
  height: 100%;
}

.event-grid line {
  stroke: rgba(255, 255, 255, 0.1);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.event-window {
  fill: rgba(155, 198, 214, 0.08);
}

.event-threshold {
  stroke: rgba(255, 255, 255, 0.36);
  stroke-dasharray: 5 5;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.event-trace {
  fill: none;
  stroke: #9bc6d6;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.event-marker {
  stroke: rgba(155, 198, 214, 0.65);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.event-point {
  fill: #9bc6d6;
  stroke: var(--ink);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.event-plot text {
  fill: rgba(255, 255, 255, 0.48);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.04em;
}

.event-status {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.event-status span {
  color: rgba(255, 255, 255, 0.52);
  text-transform: uppercase;
}

.fine-print {
  margin: 12px 0 0;
  font-size: 0.7rem;
}

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

.performance-intro {
  margin-bottom: clamp(58px, 8vw, 100px);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--steel-dark);
  border-left: 1px solid var(--steel-dark);
}

.metric-grid > div {
  min-height: 190px;
  padding: clamp(24px, 3.4vw, 44px);
  border-right: 1px solid var(--steel-dark);
  border-bottom: 1px solid var(--steel-dark);
}

.metric-grid dt {
  max-width: 220px;
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: 0.69rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.metric-grid dd {
  margin: 30px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 4.2vw, 4.1rem);
  font-weight: 740;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

.metric-grid dd small {
  display: inline-block;
  margin-left: 0.08em;
  font-size: clamp(1rem, 0.34em, 1.35rem);
  font-weight: 650;
  letter-spacing: 0;
}

.metric-grid .metric-feature {
  color: var(--white);
  background: var(--blue);
}

.metric-grid .metric-feature dt {
  color: rgba(255, 255, 255, 0.7);
}

.performance-note {
  max-width: 920px;
  margin: 24px 0 0;
  color: var(--slate);
  font-size: 0.78rem;
}

.field-system {
  background: var(--paper);
}

.field-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(42px, 8vw, 110px);
  align-items: center;
}

.product-visual {
  position: relative;
}

.photo-panel {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid var(--steel-dark);
  background: var(--white);
}

.photo-panel::before,
.photo-panel::after {
  position: absolute;
  z-index: 2;
  width: 10px;
  height: 10px;
  border: 1px solid var(--steel-dark);
  border-radius: 50%;
  background: var(--paper);
  content: "";
}

.photo-panel::before { top: 15px; left: 15px; }
.photo-panel::after { right: 15px; bottom: 15px; }

.photo-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 48% 56%;
}

.dimension-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: center;
  padding: 17px 0;
  border-bottom: 1px solid var(--steel-dark);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.dimension-strip span::before {
  content: none;
}

.dimension-strip span {
  display: grid;
  gap: 2px;
}

.dimension-strip small {
  color: var(--slate);
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.mechanical-preview {
  aspect-ratio: 2.55 / 1;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--steel-dark);
  background: var(--white);
}

.mechanical-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.field-lede {
  max-width: 620px;
  margin-bottom: 36px;
  font-size: 1.1rem;
}

.field-steps {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--steel-dark);
  list-style: none;
}

.field-steps li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--steel);
}

.field-steps li > span {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.field-steps strong {
  display: block;
  margin-bottom: 3px;
}

.field-steps p {
  margin: 0;
  font-size: 0.9rem;
}

.field-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 30px;
}

.field-specs span {
  padding: 8px 10px;
  border: 1px solid var(--steel-dark);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.dark-fine-print {
  color: var(--slate);
}

.engineers {
  color: var(--white);
  background: var(--ink-soft);
}

.engineers-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(50px, 7vw, 82px);
}

.engineer-copy {
  max-width: 850px;
}

.engineer-copy h2 {
  color: var(--white);
}

.engineer-copy > p:not(.eyebrow) {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.62);
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 34px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.check-list li {
  position: relative;
  padding: 13px 16px 13px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.82rem;
}

.check-list li::before {
  position: absolute;
  top: 1.35rem;
  left: 0;
  width: 7px;
  height: 1px;
  background: #9bc6d6;
  content: "";
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: #9bc6d6;
  font-size: 0.84rem;
  font-weight: 760;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.product-preview {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  color: var(--app-ink);
  background: var(--app-panel);
  box-shadow: 0 26px 74px rgba(0, 0, 0, 0.22);
}

.product-preview-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--app-line);
  background: var(--white);
}

.product-preview-bar > div {
  display: flex;
  min-width: 0;
  align-items: baseline;
  gap: 12px;
}

.product-preview-bar span,
.product-preview-bar strong,
.product-preview-footer {
  font-size: 0.7rem;
}

.product-preview-bar span {
  color: var(--app-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.product-preview-bar strong {
  overflow: hidden;
  color: var(--app-ink);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-preview-bar .preview-note {
  flex: 0 0 auto;
  padding: 5px 8px;
  border: 1px solid var(--app-line);
  border-radius: 999px;
  color: var(--app-moss);
  background: var(--app-field);
  font-size: 0.62rem;
}

.product-status-band {
  display: grid;
  grid-template-columns: minmax(270px, 0.86fr) minmax(0, 2fr);
  gap: 26px;
  align-items: center;
  padding: 18px;
  border-bottom: 1px solid var(--app-line);
  background: var(--app-field);
}

.status-reading > span {
  display: block;
  margin-bottom: 7px;
  color: var(--app-moss);
  font-size: 0.67rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.status-reading > div {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.status-reading strong {
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.status-reading b {
  padding: 4px 9px;
  border: 1px solid rgba(73, 107, 90, 0.3);
  border-radius: 5px;
  color: var(--app-moss);
  background: rgba(73, 107, 90, 0.1);
  font-size: 0.75rem;
}

.status-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
}

.status-detail-grid div {
  min-width: 0;
}

.status-detail-grid dt {
  color: var(--app-muted);
  font-size: 0.65rem;
  font-weight: 650;
}

.status-detail-grid dd {
  overflow: hidden;
  margin: 2px 0 0;
  color: var(--app-ink);
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-chart-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(300px, 0.85fr);
  gap: 16px;
  padding: 16px 16px 0;
}

.product-chart-card {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--app-line);
  border-radius: 6px;
  background: var(--white);
}

.product-chart-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  min-height: 48px;
}

.product-chart-head h3 {
  margin: 0;
  color: var(--app-ink);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
}

.product-chart-head p {
  margin: 4px 0 0;
  color: var(--app-muted);
  font-size: 0.7rem;
  line-height: 1.25;
}

.product-chart-value {
  flex: 0 0 auto;
  text-align: right;
}

.product-chart-value strong,
.product-chart-value span {
  display: block;
}

.product-chart-value strong {
  color: var(--app-ink);
  font-size: 1.3rem;
  line-height: 1;
}

.product-chart-value span {
  margin-top: 3px;
  color: var(--app-muted);
  font-size: 0.58rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-canvas {
  position: relative;
  width: 100%;
  margin-top: 12px;
}

.product-canvas canvas {
  width: 100%;
  height: 100%;
}

.product-canvas-large,
.product-canvas-rosette {
  height: 280px;
}

.product-canvas-spectrogram,
.product-canvas-spectrum {
  height: 250px;
}

.product-chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 8px;
  padding-left: 48px;
  color: var(--app-muted);
  font-size: 0.61rem;
}

.product-chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.product-chart-legend i {
  position: relative;
  display: block;
  width: 16px;
  height: 8px;
}

.product-chart-legend .legend-line::before,
.product-chart-legend .legend-reference::before,
.product-chart-legend .legend-highlight::before {
  position: absolute;
  top: 3px;
  right: 0;
  left: 0;
  height: 2px;
  background: var(--app-chart);
  content: "";
}

.product-chart-legend .legend-reference::before {
  height: 1px;
  background: var(--app-ink);
}

.product-chart-legend .legend-highlight::before {
  background: var(--app-rust);
}

.product-preview-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 16px;
  padding: 13px 18px;
  border-top: 1px solid var(--app-line);
  color: var(--app-muted);
  background: var(--white);
}

.product-preview-footer span {
  font-size: 0.63rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-preview-footer a {
  color: var(--app-brand);
  font-weight: 750;
  text-decoration: none;
}

.product-preview-footer a:hover {
  text-decoration: underline;
}

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

.application-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--steel-dark);
  border-left: 1px solid var(--steel-dark);
}

.application-grid article {
  min-height: 285px;
  padding: clamp(24px, 3.4vw, 42px);
  border-right: 1px solid var(--steel-dark);
  border-bottom: 1px solid var(--steel-dark);
}

.application-grid article > span {
  display: block;
  margin-bottom: 70px;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.application-grid h3 {
  font-size: 1.2rem;
}

.application-grid p {
  margin-bottom: 0;
  font-size: 0.87rem;
}

.final-cta {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
  isolation: isolate;
}

.final-cta > img,
.final-cta-shade {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
}

.final-cta > img {
  object-fit: cover;
  object-position: 50% 47%;
}

.final-cta-shade {
  z-index: -1;
  background: linear-gradient(90deg, rgba(19, 23, 26, 0.96) 0%, rgba(19, 23, 26, 0.78) 52%, rgba(19, 23, 26, 0.14) 100%);
}

.final-cta-content {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap: clamp(42px, 7vw, 96px);
  align-items: center;
  min-height: 680px;
  padding-block: 90px;
}

.final-cta h2 {
  max-width: 820px;
  color: var(--white);
}

.final-cta-copy > p:not(.eyebrow) {
  max-width: 660px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.08rem;
}

.pilot-form {
  position: relative;
  display: grid;
  gap: 17px;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(19, 23, 26, 0.78);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(12px);
}

.pilot-field {
  display: grid;
  gap: 7px;
}

.pilot-field label {
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--font-mono);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pilot-field input,
.pilot-field textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 0;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
}

.pilot-field input {
  min-height: 48px;
  padding: 9px 12px;
}

.pilot-field textarea {
  min-height: 116px;
  padding: 11px 12px;
  resize: vertical;
}

.pilot-field input:focus,
.pilot-field textarea:focus {
  border-color: #9bc6d6;
  outline: 2px solid rgba(155, 198, 214, 0.42);
  outline-offset: 1px;
}

.pilot-form .button {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.pilot-form .button:disabled {
  cursor: wait;
  opacity: 0.68;
}

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

.pilot-form-status {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.45;
}

.pilot-form-status.is-success {
  padding: 10px 12px;
  color: #d8f6e7;
  background: rgba(25, 115, 74, 0.24);
}

.pilot-form-status.is-error {
  padding: 10px 12px;
  color: #ffe5dc;
  background: rgba(139, 76, 43, 0.26);
}

.pilot-form-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.76rem;
  line-height: 1.5;
}

.pilot-form-note a {
  color: var(--white);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1100px) {
  .site-nav {
    gap: 17px;
  }

  .site-nav a:nth-child(4) {
    display: none;
  }

  .hero-image {
    width: 63%;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, #13171a 0%, #13171a 37%, rgba(19, 23, 26, 0.94) 55%, rgba(19, 23, 26, 0.22) 100%),
      linear-gradient(0deg, rgba(19, 23, 26, 0.92) 0%, rgba(19, 23, 26, 0) 42%);
  }

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

@media (max-width: 980px) {
  .product-chart-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .product-canvas-rosette {
    height: 320px;
  }
}

@media (max-width: 860px) {
  html {
    scroll-padding-top: 78px;
  }

  .site-header {
    min-height: 70px;
    padding-block: 10px;
    background: rgba(19, 23, 26, 0.94);
  }

  .brand img {
    width: 142px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    top: 69px;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    align-content: start;
    gap: 0;
    padding: 26px var(--gutter) 40px;
    visibility: hidden;
    background: var(--ink);
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 170ms ease, transform 170ms ease, visibility 170ms;
  }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .site-nav a,
  .site-nav a:nth-child(4) {
    display: flex;
    min-height: 58px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 0.86rem;
  }

  .site-nav .nav-cta {
    justify-content: center;
    margin-top: 24px;
    border: 0;
  }

  .hero {
    min-height: auto;
    padding-top: 70px;
  }

  .hero-image {
    position: relative;
    z-index: -3;
    width: 100%;
    height: 48svh;
    min-height: 360px;
    object-position: 50% 47%;
  }

  .hero-shade {
    background: linear-gradient(0deg, #13171a 0%, #13171a 46%, rgba(19, 23, 26, 0.62) 70%, rgba(19, 23, 26, 0.04) 100%);
  }

  .hero-grid {
    display: block;
    min-height: 0;
    margin-top: -40px;
    padding-top: 0;
    padding-bottom: 34px;
  }

  .hero-copy {
    padding-top: 0;
  }

  .hero-identity {
    gap: 14px;
    margin-bottom: 24px;
  }

  .hero-bot-mark {
    flex-basis: 68px;
    width: 68px;
    height: 68px;
  }

  .hero-bot-mark img {
    top: -6px;
    width: 96px;
    height: 96px;
  }

  h1 {
    max-width: 740px;
    font-size: clamp(3rem, 10vw, 5rem);
  }

  .hero-readout {
    margin-top: 46px;
  }

  .split-intro,
  .field-grid,
  .engineers-grid,
  .final-cta-content {
    grid-template-columns: 1fr;
  }

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

  .primary-card,
  .event-card {
    grid-row: auto;
    grid-column: auto;
  }

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

  .field-copy {
    order: -1;
  }

  .product-status-band {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }

  .hero-image {
    min-height: 330px;
  }

  .hero-grid {
    margin-top: -18px;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .hero-readout {
    grid-template-columns: 1fr;
  }

  .hero-readout div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  .hero-readout div:last-child {
    border-bottom: 0;
  }

  .comparison-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 22px 0;
  }

  .unknown-gap {
    max-width: 150px;
    white-space: normal;
  }

  .comparison-legend {
    gap: 10px 18px;
  }

  .measure-card {
    padding: 28px 22px;
  }

  .card-index {
    margin-bottom: 34px;
  }

  .chart-frame {
    margin-inline: -4px;
    padding-inline: 12px;
  }

  .chart-frame canvas {
    height: 190px;
  }

  .spectrum-frame canvas {
    height: 140px;
  }

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

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

  .dimension-strip {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .check-list,
  .application-grid {
    grid-template-columns: 1fr;
  }

  .product-preview-bar {
    align-items: flex-start;
    padding: 12px;
  }

  .product-preview-bar > div {
    display: grid;
    gap: 2px;
  }

  .product-preview-bar .preview-note {
    max-width: 104px;
    text-align: center;
  }

  .product-status-band {
    padding: 14px 12px;
  }

  .status-detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .product-chart-grid {
    gap: 10px;
    padding: 10px 10px 0;
  }

  .product-chart-card {
    padding: 12px;
  }

  .product-chart-head {
    align-items: flex-start;
  }

  .product-canvas-large {
    height: 220px;
  }

  .product-canvas-rosette {
    height: 270px;
  }

  .product-canvas-spectrogram,
  .product-canvas-spectrum {
    height: 210px;
  }

  .product-chart-legend {
    padding-left: 0;
  }

  .product-preview-footer {
    align-items: flex-start;
    padding: 12px;
  }

  .application-grid article {
    min-height: 230px;
  }

  .application-grid article > span {
    margin-bottom: 44px;
  }

  .final-cta,
  .final-cta-content {
    min-height: 610px;
  }

  .final-cta-shade {
    background: rgba(19, 23, 26, 0.82);
  }

}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}