:root {
  color-scheme: dark;
  --ink: #0b1117;
  --ink-2: #111a24;
  --panel: #16222e;
  --panel-2: #1b2a38;
  --line: #2b3b49;
  --paper: #f3f6f8;
  --paper-2: #e8eef2;
  --text: #eaf1f5;
  --muted: #9eb0bd;
  --dark-text: #14202b;
  --dark-muted: #5e7180;
  --cyan: #28c8df;
  --cyan-deep: #0a96b3;
  --cyan-soft: rgba(40, 200, 223, 0.12);
  --amber: #ffb21a;
  --amber-deep: #d97900;
  --green: #38d17f;
  --red: #ff5e5e;
  --radius: 18px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --shell: min(1180px, calc(100vw - 40px));
  font-family: "Segoe UI", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--text);
  background: var(--ink);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

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

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

button,
input,
select {
  font: inherit;
}

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

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

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--ink);
  background: white;
  border-radius: 8px;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(10, 16, 22, 0.89);
  backdrop-filter: blur(18px);
}

.nav-shell {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 15px;
  flex: 0 0 auto;
}

.logo {
  display: inline-flex;
  align-items: baseline;
  font-size: 29px;
  line-height: 1;
  letter-spacing: -0.075em;
  font-weight: 900;
}

.logo b {
  color: #fff;
}

.logo i {
  padding-left: 0.07em;
  color: var(--amber);
  font-style: normal;
}

.brand-sub {
  max-width: 95px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.35;
  letter-spacing: 0.18em;
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav > a {
  position: relative;
  color: #b9c7d0;
  font-size: 14px;
  font-weight: 600;
  transition: color 160ms ease;
}

.main-nav > a:hover,
.main-nav > a[aria-current="page"] {
  color: #fff;
}

.main-nav > a[aria-current="page"]::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -11px;
  left: 0;
  height: 2px;
  background: var(--cyan);
}

.main-nav .nav-cta {
  padding: 10px 16px;
  color: var(--ink);
  background: var(--amber);
  border-radius: 8px;
}

.main-nav .nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 735px;
  display: grid;
  align-items: center;
  background:
    radial-gradient(circle at 80% 26%, rgba(40, 200, 223, 0.11), transparent 31%),
    radial-gradient(circle at 28% 52%, rgba(255, 178, 26, 0.055), transparent 29%),
    linear-gradient(180deg, #0b1117, #0d151d 72%, #0b1117);
}

.hero::after {
  content: "";
  position: absolute;
  width: 800px;
  height: 800px;
  top: -210px;
  right: -190px;
  border: 1px solid rgba(40, 200, 223, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 100px rgba(40, 200, 223, 0.018),
    0 0 0 200px rgba(40, 200, 223, 0.012);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
  gap: clamp(42px, 7vw, 92px);
  padding-block: 82px 72px;
}

.eyebrow,
.section-kicker,
.instrument-label {
  color: var(--cyan);
  font-size: 12px;
  line-height: 1.2;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 800;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 25px;
  padding: 9px 13px;
  color: #b8c7d1;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  letter-spacing: 0.12em;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(56, 209, 127, 0.12), 0 0 16px var(--green);
}

.hero h1 {
  margin: 0;
  max-width: 690px;
  color: #f7fafc;
  font-size: clamp(58px, 7.1vw, 98px);
  line-height: 0.92;
  letter-spacing: -0.065em;
  font-weight: 800;
}

.hero h1 span {
  color: var(--cyan);
}

.hero-lead {
  max-width: 600px;
  margin: 30px 0 32px;
  color: #afbec8;
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.62;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button-row.centered {
  justify-content: center;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 19px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

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

.button-primary {
  color: #081016;
  background: linear-gradient(135deg, #35dbef, #17a9cc);
  box-shadow: 0 12px 30px rgba(23, 169, 204, 0.2);
}

.button-primary:hover {
  box-shadow: 0 16px 34px rgba(23, 169, 204, 0.3);
}

.button-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.045);
}

.button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
}

.button-secondary.light {
  color: var(--dark-text);
  border-color: #b9c7d0;
  background: transparent;
}

.hero-facts {
  display: flex;
  gap: clamp(25px, 4vw, 50px);
  margin: 46px 0 0;
}

.hero-facts div {
  min-width: 95px;
}

.hero-facts dt {
  color: #fff;
  font-size: 30px;
  line-height: 1;
  font-weight: 800;
}

.hero-facts dd {
  max-width: 120px;
  margin: 7px 0 0;
  color: #8194a3;
  font-size: 12px;
  line-height: 1.4;
}

.instrument-panel {
  position: relative;
  padding: 22px;
  overflow: hidden;
  border: 1px solid rgba(84, 119, 140, 0.44);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(25, 38, 50, 0.97), rgba(14, 23, 31, 0.98)),
    var(--panel);
  box-shadow: var(--shadow);
}

.instrument-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.055), transparent 32%);
}

.instrument-top {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.instrument-top strong {
  display: block;
  margin-top: 4px;
  color: #fff;
  letter-spacing: 0.06em;
}

.live-pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 5px 9px;
  color: var(--green);
  border: 1px solid rgba(56, 209, 127, 0.34);
  border-radius: 999px;
  background: rgba(56, 209, 127, 0.08);
  font-size: 10px;
  letter-spacing: 0.12em;
  font-weight: 900;
}

.mode-switch {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-top: 20px;
  padding: 4px;
  border-radius: 9px;
  background: #0c141c;
}

.mode-button {
  min-height: 38px;
  color: #8398a7;
  border: 0;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
}

.mode-button.active {
  color: #061014;
  background: var(--cyan);
}

#curveCanvas {
  position: relative;
  width: 100%;
  height: auto;
  margin-top: 13px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  background: #0d151e;
}

.sim-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.sim-metrics div {
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.025);
}

.sim-metrics span,
.range-label {
  display: block;
  color: #7f93a2;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sim-metrics strong {
  display: block;
  margin-top: 3px;
  color: #fff;
  font-size: 15px;
}

.range-label {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
}

.range-label output {
  color: var(--amber);
  font-weight: 800;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--amber);
}

.run-button {
  width: 100%;
  min-height: 45px;
  margin-top: 13px;
  color: #061015;
  border: 0;
  border-radius: 8px;
  background: var(--amber);
  cursor: pointer;
  font-size: 13px;
  font-weight: 900;
}

.run-button span {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: #0b141b;
}

.simulator.running .run-button span {
  animation: pulse 600ms infinite alternate;
}

@keyframes pulse {
  to {
    opacity: 0.25;
    transform: scale(0.7);
  }
}

.standards-band {
  overflow: hidden;
  padding: 15px 0;
  border-block: 1px solid rgba(255, 255, 255, 0.07);
  background: #0a1016;
}

.marquee-track {
  width: max-content;
  min-width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 28px;
  padding-inline: 30px;
  color: #718593;
  font-size: 11px;
  letter-spacing: 0.11em;
  font-weight: 800;
}

.marquee-track i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--amber);
}

.section {
  padding-block: clamp(80px, 10vw, 128px);
  color: var(--dark-text);
  background: var(--paper);
}

.section + .section {
  border-top: 1px solid #dce4e9;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(250px, 0.55fr);
  gap: 60px;
  align-items: end;
  margin-bottom: 52px;
}

.section-heading h2,
.showcase-copy h2,
.report-copy h2,
.two-column h2,
.knowledge-intro h2,
.faq-intro h2,
.contact-card h2,
.support-cta h2 {
  max-width: 780px;
  margin: 11px 0 0;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.section-heading > p,
.knowledge-intro p {
  margin: 0;
  color: var(--dark-muted);
  font-size: 17px;
}

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

.feature-card {
  min-height: 300px;
  padding: 25px;
  border: 1px solid #d6e0e6;
  border-radius: 14px;
  background: #fff;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: #a7bac6;
  box-shadow: 0 20px 45px rgba(27, 54, 70, 0.11);
}

.feature-number {
  display: inline-grid;
  width: 39px;
  height: 39px;
  place-items: center;
  color: var(--cyan-deep);
  border: 1px solid #a9dce5;
  border-radius: 8px;
  background: #effbfc;
  font-size: 12px;
  font-weight: 900;
}

.feature-card h3 {
  margin: 41px 0 11px;
  font-size: 21px;
  letter-spacing: -0.02em;
}

.feature-card p {
  color: var(--dark-muted);
  font-size: 14px;
}

.feature-card a {
  display: inline-block;
  margin-top: 14px;
  color: var(--cyan-deep);
  font-size: 13px;
  font-weight: 800;
}

.section-dark {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.08) !important;
  background:
    radial-gradient(circle at 80% 60%, rgba(40, 200, 223, 0.09), transparent 25%),
    var(--ink-2);
}

.split-showcase {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: clamp(60px, 9vw, 120px);
  align-items: center;
}

.showcase-copy > p,
.report-copy > p,
.two-column > div > p {
  color: #a7b6c0;
  font-size: 17px;
}

.formula {
  margin: 24px 0;
  padding: 20px;
  color: var(--cyan);
  border-left: 3px solid var(--cyan);
  background: rgba(40, 200, 223, 0.07);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: clamp(18px, 2.5vw, 28px);
  font-weight: 700;
}

.formula.compact {
  font-size: 19px;
}

.check-list,
.number-list {
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  margin: 11px 0;
  padding-left: 27px;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 10px;
  height: 5px;
  border-bottom: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
  transform: rotate(-45deg);
}

.number-list {
  counter-reset: step;
}

.number-list li {
  counter-increment: step;
  position: relative;
  margin: 18px 0;
  padding-left: 52px;
}

.number-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 0;
  color: var(--cyan-deep);
  font-size: 13px;
  font-weight: 900;
}

.text-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--cyan);
  font-weight: 800;
}

.coordinate-visual {
  position: relative;
  min-height: 480px;
  overflow: hidden;
  border: 1px solid #304351;
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    #0c141b;
  background-size: 44px 44px;
  box-shadow: var(--shadow);
}

.coordinate-scale {
  position: absolute;
  top: 32px;
  bottom: 32px;
  left: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #677c8b;
  font-size: 11px;
}

.coordinate-scale::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 42px;
  width: 1px;
  background: #314452;
}

.machine-z-card {
  position: absolute;
  top: 45px;
  right: 42px;
  width: min(290px, calc(100% - 120px));
  padding: 22px;
  border: 1px solid rgba(40, 200, 223, 0.55);
  border-radius: 12px;
  background: #111d27;
}

.machine-z-card small,
.machine-z-card span {
  display: block;
  color: var(--cyan);
  letter-spacing: 0.1em;
  font-size: 10px;
}

.machine-z-card strong {
  display: block;
  margin: 6px 0;
  font-size: 39px;
  letter-spacing: -0.04em;
}

.machine-z-card span {
  color: #8296a5;
}

.datum-line {
  position: absolute;
  right: 0;
  left: 73px;
  bottom: 105px;
  height: 1px;
  border-top: 2px dashed var(--amber);
}

.datum-line span {
  position: absolute;
  top: -31px;
  left: 24px;
  color: var(--amber);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.distance-brace {
  position: absolute;
  top: 161px;
  right: 86px;
  bottom: 106px;
  width: 2px;
  background: var(--cyan);
}

.distance-brace::before,
.distance-brace::after {
  content: "";
  position: absolute;
  right: -10px;
  width: 22px;
  height: 2px;
  background: var(--cyan);
}

.distance-brace::before {
  top: 0;
}

.distance-brace::after {
  bottom: 0;
}

.distance-brace b,
.distance-brace span {
  position: absolute;
  right: 24px;
  width: 170px;
  text-align: right;
}

.distance-brace b {
  top: 42%;
  color: #fff;
  font-size: 25px;
}

.distance-brace span {
  top: calc(42% + 36px);
  color: var(--cyan);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.screen-frame {
  overflow: hidden;
  border: 1px solid #aebdc7;
  border-radius: 13px;
  background: #0c1218;
  box-shadow: 0 32px 80px rgba(25, 47, 61, 0.19);
}

.screen-toolbar {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  padding-inline: 14px;
  color: #889eac;
  background: #15212c;
  font-size: 9px;
  letter-spacing: 0.13em;
}

.screen-toolbar span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #506675;
}

.screen-toolbar span:first-child {
  background: var(--red);
}

.screen-toolbar span:nth-child(2) {
  background: var(--amber);
}

.screen-toolbar span:nth-child(3) {
  background: var(--green);
}

.screen-toolbar b {
  margin-left: auto;
}

.software-showcase > .button-row {
  margin-top: 32px;
}

.report-section {
  background: var(--paper-2);
}

.report-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.72fr) minmax(360px, 1.28fr);
  gap: clamp(50px, 9vw, 120px);
  align-items: center;
}

.report-image {
  max-height: 690px;
  overflow: hidden;
  border: 1px solid #b8c5ce;
  box-shadow: 0 32px 70px rgba(34, 59, 73, 0.2);
  transform: rotate(-1.5deg);
}

.report-copy {
  color: var(--dark-text);
}

.report-copy > p {
  color: var(--dark-muted);
}

.report-list {
  margin: 34px 0;
}

.report-list > div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 15px;
  padding: 17px 0;
  border-top: 1px solid #cbd6dc;
}

.report-list > div:last-child {
  border-bottom: 1px solid #cbd6dc;
}

.report-list span {
  color: var(--cyan-deep);
  font-size: 12px;
  font-weight: 900;
}

.report-list p {
  margin: 0;
  color: var(--dark-muted);
}

.report-list strong {
  display: block;
  color: var(--dark-text);
}

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

.article-grid.full-grid {
  grid-template-columns: repeat(3, 1fr);
}

.article-card {
  position: relative;
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 27px;
  overflow: hidden;
  color: var(--text);
  border: 1px solid #263947;
  border-radius: 15px;
  background:
    linear-gradient(150deg, rgba(40, 200, 223, 0.075), transparent 42%),
    var(--ink-2);
  transition: transform 180ms ease, border-color 180ms ease;
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--cyan-deep);
}

.article-index {
  position: absolute;
  top: 14px;
  right: 20px;
  color: rgba(255, 255, 255, 0.055);
  font-size: 86px;
  line-height: 1;
  font-weight: 900;
}

.article-kicker {
  position: relative;
  color: var(--cyan);
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-weight: 900;
}

.article-card h3 {
  position: relative;
  margin: 62px 0 16px;
  font-size: 25px;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.article-card p {
  position: relative;
  color: #99aab6;
  font-size: 14px;
}

.article-meta {
  position: relative;
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 22px;
  color: #708694;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
}

.article-meta b {
  color: var(--amber);
}

.support-cta {
  padding-block: clamp(70px, 8vw, 100px);
  background:
    radial-gradient(circle at 80% 50%, rgba(255, 178, 26, 0.16), transparent 31%),
    linear-gradient(120deg, #112231, #0c151d);
}

.support-cta-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 60px;
  align-items: center;
}

.support-cta h2 {
  color: #fff;
  font-size: clamp(34px, 4vw, 52px);
}

.support-cta p {
  max-width: 760px;
  color: #a5b5c0;
}

.site-footer {
  padding-block: 68px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #080d12;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr repeat(3, 0.55fr);
  gap: 45px;
}

.footer-brand p {
  max-width: 330px;
  color: #778a98;
  font-size: 13px;
}

.footer-grid h2 {
  margin: 3px 0 18px;
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.footer-grid > div > a {
  display: block;
  margin: 10px 0;
  color: #8295a3;
  font-size: 13px;
}

.footer-grid > div > a:hover {
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 56px;
  padding-top: 22px;
  color: #596d7b;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-hero,
.article-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(78px, 9vw, 130px);
  background:
    radial-gradient(circle at 78% 34%, rgba(40, 200, 223, 0.11), transparent 29%),
    linear-gradient(160deg, #0b1117, #111e29);
}

.page-hero::after,
.article-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -260px;
  width: 640px;
  height: 640px;
  border: 1px solid rgba(40, 200, 223, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(40, 200, 223, 0.018), 0 0 0 180px rgba(40, 200, 223, 0.012);
}

.page-hero .shell,
.article-hero .shell {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 54px;
  color: #748895;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.breadcrumb a:hover {
  color: var(--cyan);
}

.page-hero h1,
.article-hero h1 {
  max-width: 940px;
  margin: 15px 0 22px;
  color: #fff;
  font-size: clamp(49px, 7vw, 86px);
  line-height: 0.99;
  letter-spacing: -0.06em;
}

.page-hero p,
.article-hero > .shell > p {
  max-width: 760px;
  margin: 0 0 30px;
  color: #a6b6c0;
  font-size: clamp(17px, 2vw, 21px);
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.workflow-steps li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  min-height: 165px;
  padding: 23px;
  border: 1px solid #2a3c49;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.025);
}

.workflow-steps span,
.software-features span {
  color: var(--cyan);
  font-size: 11px;
  font-weight: 900;
}

.workflow-steps h3 {
  margin: 0 0 8px;
}

.workflow-steps p {
  margin: 0;
  color: #8da0ac;
  font-size: 13px;
}

.light-heading h2 {
  color: #fff;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(55px, 9vw, 120px);
  align-items: center;
}

.section.two-column > div > p {
  color: var(--dark-muted);
}

.spec-panel {
  padding: 28px;
  border: 1px solid #cbd6dc;
  border-radius: 15px;
  background: #fff;
  box-shadow: 0 22px 55px rgba(30, 54, 69, 0.1);
}

.spec-panel h3 {
  margin: 0 0 24px;
  font-size: 19px;
}

.spec-panel dl,
.spec-panel dd {
  margin: 0;
}

.spec-panel dl > div {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 20px;
  padding: 14px 0;
  border-top: 1px solid #dde5ea;
}

.spec-panel dt {
  color: #6f8492;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}

.spec-panel dd {
  color: var(--dark-text);
  font-size: 14px;
  font-weight: 700;
}

.software-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 42px;
}

.software-features article {
  padding-top: 20px;
  border-top: 2px solid #bed0da;
}

.software-features h3 {
  margin: 28px 0 8px;
}

.software-features p {
  color: var(--dark-muted);
  font-size: 13px;
}

.compact-screen {
  transform: perspective(1100px) rotateY(-4deg);
  transform-origin: center right;
}

.report-thumbnails {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.report-thumbnails figure {
  margin: 0;
}

.report-thumbnails img {
  max-height: 580px;
  object-fit: cover;
  object-position: top;
  border: 1px solid #c5d1d8;
  box-shadow: 0 20px 50px rgba(30, 53, 67, 0.12);
}

.report-thumbnails figcaption {
  padding-top: 13px;
  color: var(--dark-muted);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 800;
}

.knowledge-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-bottom: 50px;
  padding-bottom: 45px;
  border-bottom: 1px solid #cdd8de;
}

.standards-links {
  display: grid;
  gap: 12px;
}

.standards-links a {
  display: block;
  padding: 22px;
  border: 1px solid #2c414e;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
}

.standards-links span,
.standards-links strong {
  display: block;
}

.standards-links span {
  color: var(--cyan);
  font-size: 11px;
  font-weight: 900;
}

.standards-links strong {
  margin-top: 5px;
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.support-card {
  min-height: 310px;
  padding: 34px;
  color: var(--text);
  border: 1px solid #293d4a;
  border-radius: 16px;
  background: var(--ink-2);
  transition: transform 180ms ease, border-color 180ms ease;
}

.support-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
}

.support-card > span {
  color: var(--cyan);
  font-size: 10px;
  letter-spacing: 0.14em;
  font-weight: 900;
}

.support-card h2 {
  margin: 50px 0 12px;
  font-size: 30px;
}

.support-card p {
  color: #94a7b3;
}

.support-card b {
  display: inline-block;
  margin-top: 16px;
  color: var(--amber);
}

.release-card {
  overflow: hidden;
  border: 1px solid #c8d4db;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(31, 56, 71, 0.12);
}

.release-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 38px;
  color: #fff;
  background: var(--ink-2);
}

.release-head h2 {
  margin: 12px 0 4px;
  font-size: 35px;
}

.release-head p {
  margin: 0;
  color: #93a6b2;
}

.release-version {
  color: rgba(255, 255, 255, 0.13);
  font-size: clamp(56px, 9vw, 110px);
  line-height: 1;
  letter-spacing: -0.08em;
  font-weight: 900;
}

.release-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  padding: 38px;
}

.download-notice {
  margin: 0 38px 38px;
  padding: 25px;
  border: 1px solid #e0be6e;
  border-radius: 11px;
  background: #fff8e7;
}

.download-notice strong {
  font-size: 18px;
}

.download-notice p {
  color: var(--dark-muted);
}

code {
  padding: 2px 5px;
  color: #075e73;
  border-radius: 4px;
  background: #e5f7fa;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(50px, 8vw, 100px);
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: 115px;
}

.faq-intro p {
  color: var(--dark-muted);
}

.faq-list details {
  border-top: 1px solid #cbd6dc;
}

.faq-list details:last-child {
  border-bottom: 1px solid #cbd6dc;
}

.faq-list summary {
  position: relative;
  padding: 24px 50px 24px 0;
  cursor: pointer;
  list-style: none;
  font-size: 19px;
  font-weight: 800;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 20px;
  right: 10px;
  color: var(--cyan-deep);
  font-size: 28px;
  font-weight: 400;
}

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

.faq-list details > div {
  padding: 0 45px 25px 0;
  color: var(--dark-muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
}

.contact-card {
  padding: 42px;
  color: var(--text);
  border-radius: 17px;
  background: var(--ink-2);
}

.contact-card p {
  max-width: 650px;
  color: #9cadb8;
}

.contact-details {
  display: grid;
  gap: 18px;
}

.contact-details > div {
  padding: 25px 0;
  border-top: 1px solid #c9d5dc;
}

.contact-details span {
  display: block;
  margin-bottom: 8px;
  color: var(--cyan-deep);
  font-size: 10px;
  letter-spacing: 0.15em;
  font-weight: 900;
}

.contact-details a,
.contact-details p {
  display: block;
  margin: 3px 0;
  color: var(--dark-text);
  font-size: 18px;
  font-weight: 700;
}

.brand-panel {
  padding: 50px;
  color: var(--text);
  border-radius: 18px;
  background:
    radial-gradient(circle at 75% 25%, rgba(255, 178, 26, 0.14), transparent 35%),
    var(--ink-2);
}

.logo-large {
  font-size: clamp(62px, 8vw, 108px);
}

.brand-panel > p {
  margin: 14px 0 30px;
  color: #7e929f;
  letter-spacing: 0.24em;
  font-size: 10px;
  font-weight: 900;
}

.brand-rule {
  width: 70px;
  height: 3px;
  background: var(--cyan);
}

.brand-panel blockquote {
  margin: 40px 0 0;
  color: #d8e2e8;
  font-size: 24px;
  line-height: 1.45;
  font-weight: 700;
}

.article-hero {
  padding-bottom: 95px;
}

.article-hero h1 {
  max-width: 970px;
  font-size: clamp(46px, 6.5vw, 78px);
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 25px;
  margin-top: 33px;
  color: #7c909e;
  font-size: 11px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.article-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 760px);
  gap: clamp(48px, 8vw, 100px);
  justify-content: center;
  padding-block: 75px 110px;
}

.article-toc {
  position: sticky;
  top: 110px;
  align-self: start;
  padding-top: 8px;
}

.article-toc > strong {
  display: block;
  margin-bottom: 16px;
  color: #6e8290;
  font-size: 10px;
  letter-spacing: 0.14em;
}

.article-toc > a {
  display: block;
  padding: 9px 0;
  color: #8296a4;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 12px;
}

.article-toc > a:hover {
  color: var(--cyan);
}

.article-toc .toc-cta {
  margin-top: 20px;
  padding: 12px;
  color: var(--ink);
  border: 0;
  border-radius: 7px;
  background: var(--amber);
  text-align: center;
  font-weight: 900;
}

.article-body {
  color: #c2cdd4;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.78;
}

.article-intro {
  margin: 0 0 60px;
  padding-bottom: 35px;
  color: #e9eff3;
  border-bottom: 1px solid #2b3b47;
  font-size: 24px;
  line-height: 1.55;
}

.article-body section {
  scroll-margin-top: 110px;
  margin-bottom: 60px;
}

.article-body h2 {
  margin: 0 0 20px;
  color: #fff;
  font-family: "Segoe UI", Inter, sans-serif;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.035em;
}

.article-body strong,
.article-body a {
  color: #fff;
}

.article-body a {
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 4px;
}

.article-body .formula,
.article-body .knowledge-callout,
.article-body .check-list,
.article-body .number-list {
  font-family: "Segoe UI", Inter, sans-serif;
}

.knowledge-callout {
  margin: 28px 0;
  padding: 22px;
  color: #bdd2dc;
  border: 1px solid #2d5664;
  border-radius: 10px;
  background: rgba(40, 200, 223, 0.06);
  font-size: 15px;
}

.editorial-note {
  margin-top: 80px;
  padding: 23px;
  color: #91a5b2;
  border-top: 1px solid #33444f;
  border-bottom: 1px solid #33444f;
  font-family: "Segoe UI", Inter, sans-serif;
  font-size: 13px;
}

.editorial-note strong {
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 10px;
}

.editorial-note p {
  margin-bottom: 0;
}

.related-guides {
  padding-block: 75px;
  color: var(--dark-text);
  background: var(--paper);
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 25px;
}

.related-grid a {
  padding: 24px;
  border: 1px solid #ccd7de;
  border-radius: 10px;
  background: #fff;
}

.related-grid span,
.related-grid strong {
  display: block;
}

.related-grid span {
  color: var(--cyan-deep);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 900;
}

.related-grid strong {
  margin-top: 7px;
  font-size: 17px;
}

.rate-calculator {
  margin: 0 0 65px !important;
  padding: 28px;
  color: var(--dark-text);
  border-radius: 14px;
  background: var(--paper);
  font-family: "Segoe UI", Inter, sans-serif;
}

.rate-calculator h2 {
  color: var(--dark-text);
}

.rate-calculator > div > p {
  color: var(--dark-muted);
  font-size: 14px;
}

.rate-calculator form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px;
  margin-top: 25px;
}

.rate-calculator label {
  color: #506674;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 800;
}

.rate-calculator input,
.rate-calculator select {
  width: 100%;
  min-height: 44px;
  display: block;
  margin-top: 5px;
  padding: 9px 11px;
  color: var(--dark-text);
  border: 1px solid #b8c6cf;
  border-radius: 7px;
  background: #fff;
}

.rate-calculator output {
  display: grid;
  place-items: center;
  color: var(--cyan-deep);
  border: 1px solid #abd9e2;
  border-radius: 8px;
  background: #edf9fb;
  font-size: 19px;
  font-weight: 900;
}

.error-page {
  min-height: 70vh;
  display: grid;
  align-content: center;
  justify-items: center;
  padding-block: 90px;
  text-align: center;
}

.error-code {
  color: rgba(40, 200, 223, 0.18);
  font-size: clamp(100px, 22vw, 260px);
  line-height: 0.8;
  font-weight: 900;
}

.error-page h1 {
  margin: 35px 0 5px;
  font-size: clamp(38px, 6vw, 64px);
}

.error-page p {
  color: var(--muted);
}

@media (max-width: 1050px) {
  .hero-grid,
  .split-showcase,
  .report-grid,
  .support-cta-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    padding-block: 75px;
  }

  .hero-copy {
    max-width: 740px;
  }

  .simulator {
    max-width: 760px;
  }

  .feature-grid,
  .software-features {
    grid-template-columns: 1fr 1fr;
  }

  .report-image {
    max-width: 620px;
    max-height: 720px;
  }

  .report-copy {
    max-width: 780px;
  }

  .article-grid,
  .article-grid.full-grid {
    grid-template-columns: 1fr 1fr;
  }

  .support-cta-grid .button-row {
    justify-content: flex-start;
  }

  .footer-grid {
    grid-template-columns: 1.3fr repeat(3, 0.7fr);
  }
}

@media (max-width: 820px) {
  :root {
    --shell: min(100% - 30px, 700px);
  }

  .nav-shell {
    min-height: 68px;
  }

  .nav-toggle {
    width: 46px;
    height: 42px;
    display: grid;
    align-content: center;
    gap: 5px;
    padding: 9px;
    color: white;
    border: 1px solid #334652;
    border-radius: 8px;
    background: transparent;
  }

  .nav-toggle span {
    width: 100%;
    height: 2px;
    background: currentColor;
  }

  .nav-toggle em {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .main-nav {
    position: absolute;
    top: 68px;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 16px 20px 24px;
    border-bottom: 1px solid #2a3c49;
    background: #0d151d;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav > a {
    padding: 12px 4px;
    border-bottom: 1px solid #21313d;
  }

  .main-nav > a[aria-current="page"]::after {
    display: none;
  }

  .main-nav .nav-cta {
    margin-top: 14px;
    padding: 12px 15px;
    text-align: center;
  }

  .section-heading,
  .two-column,
  .knowledge-intro,
  .faq-layout,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .section-heading {
    align-items: start;
  }

  .workflow-steps {
    grid-template-columns: 1fr 1fr;
  }

  .report-thumbnails {
    gap: 12px;
  }

  .support-grid,
  .release-columns {
    grid-template-columns: 1fr;
  }

  .faq-intro,
  .article-toc {
    position: static;
  }

  .article-layout {
    grid-template-columns: 1fr;
    padding-top: 45px;
  }

  .article-toc {
    display: none;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 580px) {
  .brand-sub {
    display: none;
  }

  .hero h1 {
    font-size: clamp(52px, 17vw, 76px);
  }

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

  .hero-facts div {
    min-width: 0;
  }

  .instrument-panel {
    margin-inline: -6px;
    padding: 14px;
    border-radius: 14px;
  }

  .sim-metrics {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .software-features,
  .article-grid,
  .article-grid.full-grid,
  .workflow-steps,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 255px;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .section-heading h2,
  .showcase-copy h2,
  .report-copy h2,
  .two-column h2,
  .knowledge-intro h2,
  .faq-intro h2,
  .contact-card h2,
  .support-cta h2 {
    font-size: 36px;
  }

  .coordinate-visual {
    min-height: 400px;
  }

  .machine-z-card {
    right: 20px;
    left: 80px;
    width: auto;
  }

  .distance-brace {
    right: 55px;
  }

  .report-thumbnails {
    grid-template-columns: 1fr;
  }

  .report-thumbnails img {
    max-height: 470px;
    width: 100%;
  }

  .support-card {
    min-height: 270px;
    padding: 26px;
  }

  .release-head {
    padding: 27px;
  }

  .release-version {
    display: none;
  }

  .release-columns {
    padding: 27px;
  }

  .download-notice {
    margin: 0 27px 27px;
  }

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

  .article-intro {
    font-size: 21px;
  }

  .article-body {
    font-size: 17px;
  }

  .contact-card,
  .brand-panel {
    padding: 28px;
  }

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

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}