:root {
  --signal-page-bg: #f3f5f7;
  --signal-page-surface: #ffffff;
  --signal-page-surface-2: #eef2f5;
  --signal-page-ink: #081018;
  --signal-page-muted: #53606d;
  --signal-page-line: #d5dde5;
  --signal-page-line-strong: #b5c1cc;
  --signal-page-acid: #d2ff38;
  --signal-page-acid-deep: #b6ef00;
  --signal-page-blue: #7aa7ff;
  --signal-page-shadow: 0 22px 54px rgba(18, 31, 44, 0.08);
  --signal-platform-story-height: 460svh;
  --signal-platform-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--signal-page-bg);
  scroll-behavior: smooth;
  overscroll-behavior-y: none;
}

body.fmd-signal-page {
  --fmd-section-gap: 0;
  --signal-cursor-x: 18%;
  --signal-cursor-y: 24%;
  margin: 0;
  color: var(--signal-page-ink);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 12%, rgba(210, 255, 56, 0.18), transparent 22rem),
    radial-gradient(circle at 88% 18%, rgba(122, 167, 255, 0.14), transparent 24rem),
    linear-gradient(180deg, #fafbfc 0%, var(--signal-page-bg) 36%, #edf1f4 100%);
  overscroll-behavior-y: none;
}

body.fmd-signal-page::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(8, 16, 24, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 16, 24, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.12));
}

body.fmd-signal-page .a11y-fab,
body.fmd-signal-page .a11y-panel {
  z-index: 80;
}

body.fmd-signal-page .a11y-fab {
  background: rgba(3, 8, 12, 0.92);
  border-color: rgba(79, 209, 197, 0.52);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
}

body.fmd-signal-page .a11y-panel {
  background: rgba(3, 8, 12, 0.96);
  border-color: rgba(79, 209, 197, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

body.fmd-signal-page main {
  width: 100vw !important;
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  display: grid;
  gap: 0;
}

body.fmd-signal-page main a {
  color: inherit;
}

body.fmd-signal-page .footer.footer-expanded {
  width: 100vw;
  max-width: none;
  margin: 0;
  padding-inline: max(1.2rem, calc(((100vw - var(--fmd-shell-max, 1080px)) / 2) + 1.2rem));
  color: #9ca3af;
  border-top-color: rgba(99, 179, 237, 0.24);
  background:
    radial-gradient(circle at 16% 0%, rgba(79, 209, 197, 0.16), transparent 22rem),
    radial-gradient(circle at 86% 12%, rgba(99, 179, 237, 0.12), transparent 24rem),
    linear-gradient(180deg, #050d1d 0%, #071326 100%);
}

.scroll-section {
  position: relative;
  overflow: hidden;
  width: 100vw !important;
  max-width: none !important;
  padding: clamp(3rem, 7vw, 6.5rem) max(1.1rem, calc((100vw - 1320px) / 2));
  border: 0;
  border-top: 1px solid var(--signal-page-line);
  border-radius: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 248, 250, 0.96));
  box-shadow: none;
  transform: translateY(calc((1 - var(--section-progress, 1)) * 30px));
  opacity: calc(0.72 + (var(--section-progress, 1) * 0.28));
  transition: opacity 220ms ease, transform 220ms ease;
}

.signal-hero.scroll-section {
  padding-inline: clamp(1.1rem, 5vw, 5.8rem);
}

.platform-band.scroll-section {
  padding-inline: max(1.1rem, calc((100vw - 1380px) / 2));
}

.scroll-section::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--signal-page-acid), rgba(122, 167, 255, 0.45), transparent 70%);
}

.signal-hero {
  min-height: min(96vh, 980px);
  display: grid;
  grid-template-columns: minmax(22rem, 32vw) minmax(0, 1fr);
  gap: clamp(1.4rem, 3vw, 4rem);
  align-items: stretch;
  padding: clamp(2rem, 4vw, 4rem) clamp(1.1rem, 5vw, 5.8rem) clamp(3rem, 6vw, 5.5rem);
  background:
    radial-gradient(circle at 60% 4%, rgba(210, 255, 56, 0.18), transparent 25rem),
    radial-gradient(circle at 100% 22%, rgba(122, 167, 255, 0.16), transparent 34rem),
    linear-gradient(180deg, #020506 0%, #05090b 48%, #080f12 100%);
  color: #f8fbfd;
}

.signal-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at var(--signal-cursor-x) var(--signal-cursor-y), rgba(210, 255, 56, 0.18), transparent 18rem),
    linear-gradient(115deg, transparent 0 42%, rgba(248, 251, 253, 0.05) 48%, transparent 56% 100%);
  opacity: 0.78;
  mix-blend-mode: screen;
}

.signal-hero-brandmark {
  position: absolute;
  z-index: 1;
  top: clamp(5.5rem, 9vw, 8rem);
  left: clamp(6.5rem, 5.5vw, 7rem);
  width: clamp(24rem, 30vw, 38rem);
  height: auto;
  opacity: 0.9;
  filter: drop-shadow(0 18px 34px rgba(0, 0, 0, 0.45));
  pointer-events: none;
  transform: none;
}

@media (min-width: 721px) {
  .signal-hero-brandmark--copy-fit {
    opacity: 0.9;
  }
}

.problem-band,
.dimensions-band,
.outcomes-band,
.embedded-band {
  background:
    linear-gradient(90deg, rgba(8, 16, 24, 0.025) 1px, transparent 1px),
    linear-gradient(180deg, #ffffff 0%, #f7f9fb 100%);
  background-size: 72px 100%, auto;
}

.idea-band,
.example-band {
  background:
    radial-gradient(circle at 12% 0%, rgba(210, 255, 56, 0.16), transparent 22rem),
    linear-gradient(180deg, #eef2f5 0%, #ffffff 100%);
}

.platform-band {
  background:
    radial-gradient(circle at 78% 8%, rgba(210, 255, 56, 0.24), transparent 24rem),
    radial-gradient(circle at 18% 66%, rgba(122, 167, 255, 0.12), transparent 30rem),
    linear-gradient(180deg, #030708 0%, #071018 45%, #101922 100%);
  color: #f8fbfd;
  overflow: visible;
}

.platform-band.scroll-section {
  padding-top: clamp(3rem, 7vw, 6.5rem);
  padding-bottom: clamp(2.75rem, 8svh, 6rem);
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
  transition: none !important;
  content-visibility: visible !important;
  contain-intrinsic-size: auto;
}

body.fmd-signal-page main section.platform-band.scroll-section {
  content-visibility: visible !important;
  contain-intrinsic-size: auto !important;
}

.platform-band .eyebrow,
.platform-band .section-heading h2,
.platform-band .section-lead {
  color: #f8fbfd;
}

.platform-band .section-lead {
  opacity: 0.76;
}

.idea-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(22rem, 0.84fr);
  gap: clamp(1rem, 2.2vw, 2rem);
  align-items: start;
}

.embedded-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(22rem, 1.1fr);
  gap: clamp(1rem, 2.2vw, 2rem);
  align-items: start;
}

.example-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 0.34fr) minmax(0, 0.88fr) minmax(19rem, 0.78fr);
  gap: 0.9rem;
  align-items: stretch;
}

.platform-sequence {
  position: relative;
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 0.86fr) minmax(24rem, 0.82fr);
  gap: clamp(1rem, 2.4vw, 2rem);
  align-items: center;
  width: 100%;
  margin-inline: auto;
  min-height: 460vh;
  min-height: var(--signal-platform-story-height);
  padding-top: 0;
  isolation: isolate;
  content-visibility: visible !important;
  backface-visibility: hidden;
}

.platform-sequence.is-intro {
  grid-template-columns: 2.25rem minmax(0, 0.86fr) minmax(24rem, 0.82fr);
  width: 100%;
}

.platform-sequence::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: 999px;
  background:
    linear-gradient(90deg, var(--signal-page-acid), rgba(122, 167, 255, 0.54), transparent)
    0 0 / calc(var(--platform-progress, 0) * 100%) 100% no-repeat,
    rgba(248, 251, 253, 0.1);
  z-index: 4;
}

.hero-copy,
.section-heading,
.hero-panel,
.idea-panel,
.example-panel,
.example-copy,
.platform-step {
  display: grid;
  gap: 0.8rem;
}

.hero-copy {
  align-content: end;
  padding-top: clamp(12rem, 17vw, 17rem);
  padding-right: clamp(0rem, 1vw, 1rem);
  position: relative;
  z-index: 2;
}

.eyebrow,
.panel-label,
.problem-index,
.example-metrics p,
.hero-proof-row span,
.hero-metric p,
.hero-strip span {
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

.eyebrow,
.panel-label {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 560;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #465462;
}

.signal-hero h1,
.section-heading h2,
.example-copy h3,
.problem-card h3,
.dimension-card h3,
.outcome-card h3 {
  margin: 0;
  color: var(--signal-page-ink);
  letter-spacing: -0.06em;
  line-height: 0.9;
  text-wrap: balance;
}

.signal-hero h1 {
  max-width: 13.8ch;
  font-size: clamp(5.75rem, 10.25vw, 13rem);
  transform: translateY(calc((1 - var(--hero-progress, 1)) * 48px));
  opacity: calc(0.5 + (var(--hero-progress, 1) * 0.5));
}

.signal-hero .signal-title--copy-fit {
  max-width: 100%;
  font-size: clamp(3.15rem, 3.9vw, 4.5rem);
}

.hero-title-ghost,
.hero-title-live {
  display: block;
}

.hero-title-ghost {
  color: rgba(248, 251, 253, 0.36);
  opacity: calc(0.28 + (var(--hero-progress, 1) * 0.72));
  transform: translateY(calc((1 - var(--hero-progress, 1)) * -3.2rem));
}

.hero-title-live {
  color: #f8fbfd;
  opacity: calc(0.78 + (var(--hero-progress, 1) * 0.22));
  transform:
    translateX(clamp(1.5rem, 5vw, 6rem))
    translateY(calc((1 - var(--hero-progress, 1)) * -1.1rem))
    scale(calc(1 + ((1 - var(--hero-progress, 1)) * 0.055)));
  transform-origin: left center;
}

.signal-title--copy-fit .hero-title-live {
  transform:
    translateX(clamp(0.75rem, 2.1vw, 2.2rem))
    translateY(calc((1 - var(--hero-progress, 1)) * -1.1rem))
    scale(calc(1 + ((1 - var(--hero-progress, 1)) * 0.055)));
}

.section-heading h2 {
  max-width: 16ch;
  font-size: clamp(3rem, 6.4vw, 6rem);
}

.platform-band .section-heading h2 {
  max-width: 15ch;
  font-size: clamp(1.65rem, 3.4vw, 3.125rem);
}

.platform-band .section-heading {
  justify-items: end;
  text-align: right;
}

.platform-band .section-heading .eyebrow {
  font-size: clamp(1.1rem, 1.45vw, 1.38rem);
}

.example-copy h3 {
  max-width: 11ch;
  font-size: clamp(2.2rem, 3.6vw, 3.35rem);
}

.problem-card h3,
.dimension-card h3,
.outcome-card h3 {
  font-size: clamp(1.25rem, 2vw, 1.8rem);
}

.hero-lead,
.hero-support,
.section-lead,
.problem-card p,
.dimension-card p,
.idea-panel p,
.idea-panel li,
.example-copy p,
.example-note,
.outcome-card p,
.hero-figure figcaption,
.example-figure figcaption,
.dimension-chip span {
  margin: 0;
  color: var(--signal-page-muted);
  line-height: 1.62;
}

.hero-lead {
  margin-top: clamp(0.7rem, 1.35vw, 1.3rem);
  max-width: 42ch;
  color: rgba(248, 251, 253, 0.86);
  font-size: 1.12rem;
}

.hero-support,
.section-lead {
  max-width: 72ch;
  font-size: clamp(1.08rem, 1.45vw, 1.35rem);
}

:is(.problem-band, .idea-band, .dimensions-band, .example-band, .outcomes-band) .section-heading {
  gap: 0.48rem;
  margin-bottom: clamp(1.15rem, 2vw, 1.9rem);
}

:is(.problem-band, .idea-band, .dimensions-band, .example-band, .outcomes-band, .embedded-band) .section-heading h2 {
  max-width: 16.5ch;
}

:is(.problem-band, .idea-band, .dimensions-band, .example-band, .outcomes-band, .embedded-band) .section-lead {
  color: #3f4b58;
}

.signal-hero .hero-support,
.signal-hero .hero-proof-row span,
.signal-hero .hero-metric p {
  color: rgba(248, 251, 253, 0.64);
}

.hero-actions,
.hero-proof-row,
.hero-metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
  align-items: center;
}

.signal-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.84rem 1.3rem;
  border-radius: 8px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 650;
  transition: transform 180ms ease, filter 180ms ease, border-color 180ms ease;
}

.signal-cta:hover,
.signal-cta:focus-visible,
.example-tab:hover,
.example-tab:focus-visible {
  text-decoration: none;
  transform: translateY(-1px);
}

body.fmd-signal-page .signal-cta--primary {
  color: #071018;
  background: var(--signal-page-acid);
  box-shadow: 0 0 0 1px rgba(8, 16, 24, 0.3), 0 14px 32px rgba(210, 255, 56, 0.2);
}

.signal-cta--secondary {
  border-color: rgba(248, 251, 253, 0.24);
  background: rgba(248, 251, 253, 0.06);
  color: #f8fbfd;
}

.hero-proof-row span,
.hero-metric,
.dimension-chip,
.problem-card,
.dimension-card,
.outcome-card,
.example-metrics article,
.example-tab {
  min-width: 0;
  border: 1px solid var(--signal-page-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
}

.signal-hero .hero-proof-row span,
.signal-hero .hero-metric {
  border-color: rgba(248, 251, 253, 0.16);
  background: rgba(248, 251, 253, 0.06);
  color: #f8fbfd;
}

.hero-proof-row span {
  min-height: 2.2rem;
  padding: 0.45rem 0.68rem;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--signal-page-ink);
}

.hero-metric-row {
  margin-top: 0.25rem;
}

.hero-metric {
  flex: 1 1 11rem;
  padding: 0.9rem 0.95rem;
  transform: translateY(calc((1 - var(--hero-progress, 1)) * 22px));
}

.hero-metric p {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal-page-muted);
}

.hero-metric strong {
  display: block;
  font-size: 1rem;
  line-height: 1.35;
}

.signal-hero .hero-metric strong {
  color: #f8fbfd;
}

.hero-panel,
.idea-panel,
.example-panel,
.embedded-panel {
  padding: 1rem;
  border: 1px solid var(--signal-page-line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(210, 255, 56, 0.18), rgba(210, 255, 56, 0) 18%),
    var(--signal-page-surface-2);
}

.hero-panel {
  position: relative;
  z-index: 2;
  align-content: start;
  grid-template-rows: auto auto minmax(28rem, auto) auto auto minmax(10.5rem, 1fr);
  min-width: 0;
  width: 100%;
  max-width: none;
  border-color: rgba(248, 251, 253, 0.16);
  background:
    linear-gradient(180deg, rgba(210, 255, 56, 0.08), rgba(210, 255, 56, 0) 22%),
    rgba(248, 251, 253, 0.055);
  transform: translateY(calc((1 - var(--hero-progress, 1)) * -24px));
}

.hero-panel__top {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.panel-status {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.05em;
}

.signal-hero .panel-status,
.signal-hero .hero-panel__top .panel-label {
  color: #f8fbfd;
}

.dimension-stack,
.problem-grid,
.dimension-grid,
.outcome-grid,
.example-metrics {
  display: grid;
  gap: 0.9rem;
}

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

.signal-hero .dimension-stack {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.signal-hero .dimension-chip {
  border-color: rgba(248, 251, 253, 0.15);
  background: rgba(248, 251, 253, 0.08);
}

.signal-hero .dimension-chip.is-active {
  border-color: rgba(210, 255, 56, 0.72);
  background:
    radial-gradient(circle at 88% 18%, rgba(210, 255, 56, 0.22), transparent 8rem),
    rgba(210, 255, 56, 0.1);
  box-shadow: 0 0 0 1px rgba(210, 255, 56, 0.18), 0 18px 42px rgba(210, 255, 56, 0.12);
}

.signal-hero .dimension-chip p {
  color: var(--signal-page-acid);
}

.signal-hero .dimension-chip span {
  color: rgba(248, 251, 253, 0.74);
}

.signal-hero .dimension-chip.is-active span {
  color: rgba(248, 251, 253, 0.92);
}

.problem-grid,
.outcome-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.dimension-chip,
.problem-card,
.dimension-card,
.outcome-card,
.example-metrics article {
  padding: 1rem;
}

.problem-card,
.dimension-card,
.outcome-card {
  position: relative;
  overflow: hidden;
  transform: translateY(calc((1 - var(--section-progress, 1)) * 18px));
}

.dimension-card,
.outcome-card {
  display: grid;
  gap: 0.55rem;
  align-content: start;
}

.dimension-card {
  gap: 0.4rem;
  padding: 0.82rem 0.95rem;
}

.dimension-card {
  min-height: 7.6rem;
}

.outcome-card {
  min-height: 10.75rem;
}

.outcomes-band {
  background:
    radial-gradient(circle at 86% 16%, rgba(210, 255, 56, 0.18), transparent 24rem),
    radial-gradient(circle at 16% 80%, rgba(122, 167, 255, 0.14), transparent 26rem),
    linear-gradient(180deg, #dcebff 0%, #eff7ff 100%);
}

.outcome-grid {
  gap: 1.05rem;
}

.outcome-card {
  isolation: isolate;
  gap: 0.78rem;
  padding: 1.2rem 1.25rem 1.3rem;
  border-color: rgba(14, 38, 66, 0.24);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(224, 239, 255, 0.74)),
    #f8fbfd;
  box-shadow: 0 20px 48px rgba(36, 80, 128, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.84);
}

.outcome-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 0.42rem;
  background: linear-gradient(90deg, var(--signal-page-acid), rgba(122, 167, 255, 0.78));
  transform: none;
}

.outcome-card::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -18%;
  bottom: -28%;
  width: 13rem;
  height: 13rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(122, 167, 255, 0.24), transparent 64%);
}

.outcome-card:nth-child(2n)::before {
  background: linear-gradient(90deg, rgba(122, 167, 255, 0.9), rgba(210, 255, 56, 0.78));
}

.outcome-card:nth-child(3n)::after {
  background: radial-gradient(circle, rgba(210, 255, 56, 0.22), transparent 64%);
}

.outcome-card h3 {
  color: #071326;
  font-size: clamp(1.38rem, 2vw, 1.95rem);
}

.outcome-card p {
  color: #334c68;
}

.problem-card {
  transform: none;
}

.problem-card::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--signal-page-acid), rgba(122, 167, 255, 0.54), transparent);
  transform: scaleX(calc(0.24 + (var(--section-progress, 0) * 0.76)));
  transform-origin: left center;
}

.problem-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(110deg, transparent 0 36%, rgba(210, 255, 56, 0.18) 46%, transparent 58% 100%);
  opacity: calc(var(--section-progress, 0) * 0.7);
  transform: translateX(calc(-65% + (var(--section-progress, 0) * 95%)));
}

.problem-card:nth-child(2) {
  transition-delay: 0ms;
}

.problem-card:nth-child(3) {
  transition-delay: 0ms;
}

.dimension-chip p,
.problem-index,
.example-metrics p {
  margin: 0 0 0.45rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.dimension-chip p {
  color: #3e5b00;
}

.problem-index,
.example-metrics p,
.signal-example-output__grid p {
  color: #214b9d;
}

.hero-product-stage {
  position: relative;
  min-height: clamp(28rem, 38vw, 44rem);
  overflow: hidden;
  border: 1px solid rgba(248, 251, 253, 0.16);
  border-radius: 8px;
  background:
    radial-gradient(circle at 74% 10%, rgba(210, 255, 56, 0.16), transparent 18rem),
    radial-gradient(circle at 16% 18%, rgba(122, 167, 255, 0.12), transparent 20rem),
    linear-gradient(180deg, #030607 0%, #05090b 100%);
}

.hero-stage-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(248, 251, 253, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 251, 253, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  transform: translateY(calc((1 - var(--hero-progress, 1)) * -26px));
}

.hero-scan {
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 0 44%, rgba(210, 255, 56, 0.58) 49%, rgba(122, 167, 255, 0.28) 51%, transparent 58%);
  transform: translateY(-54%);
  opacity: 0.58;
  mix-blend-mode: screen;
  animation: hero-scan 5.8s cubic-bezier(0.7, 0, 0.2, 1) infinite;
}

.hero-data-stream {
  position: absolute;
  z-index: 1;
  top: 51%;
  left: 1rem;
  right: 1rem;
  display: flex;
  gap: 0.72rem;
  align-items: center;
  width: max-content;
  pointer-events: none;
  opacity: 0.46;
  transform: translateX(calc(var(--hero-progress, 1) * -4rem));
  animation: hero-data-stream 18s linear infinite;
}

.hero-data-stream span {
  display: inline-flex;
  min-height: 1.72rem;
  align-items: center;
  padding: 0.18rem 0.58rem;
  border: 1px solid rgba(248, 251, 253, 0.16);
  border-radius: 999px;
  background: rgba(248, 251, 253, 0.06);
  color: rgba(248, 251, 253, 0.72);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.signal-dome {
  position: absolute;
  left: 4%;
  right: -18%;
  bottom: -42%;
  height: 82%;
  border-radius: 50% 50% 0 0;
  background:
    repeating-radial-gradient(ellipse at 50% 100%, rgba(248, 251, 253, 0.42) 0 1px, transparent 1px 18px),
    repeating-linear-gradient(82deg, rgba(248, 251, 253, 0.32) 0 2px, transparent 2px 18px);
  filter: contrast(120%);
  opacity: 0.78;
  transform:
    perspective(760px)
    rotateX(60deg)
    rotateZ(calc(-8deg + (var(--hero-progress, 1) * 4deg)))
    translateY(calc((1 - var(--hero-progress, 1)) * 34px));
  transform-origin: center bottom;
  mask-image: radial-gradient(ellipse at 50% 72%, #000 0 54%, transparent 76%);
}

.signal-dome::after {
  content: "";
  position: absolute;
  inset: 16% 8% 0;
  border-radius: inherit;
  background: radial-gradient(ellipse at 62% 22%, rgba(210, 255, 56, 0.5), transparent 34%);
  mix-blend-mode: screen;
  opacity: 0.44;
  animation: signal-dome-glow 4.2s ease-in-out infinite alternate;
}

.hero-layer {
  position: absolute;
  z-index: 4;
  display: grid;
  gap: 0.58rem;
  padding: clamp(0.9rem, 1.5vw, 1.15rem);
  border: 1px solid rgba(248, 251, 253, 0.16);
  border-radius: 8px;
  background: rgba(248, 251, 253, 0.08);
  backdrop-filter: blur(10px) saturate(130%);
  -webkit-backdrop-filter: blur(10px) saturate(130%);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
  transition: opacity 220ms ease, border-color 220ms ease, background-color 220ms ease;
}

.hero-layer.is-active {
  border-color: #9ec318;
  background: rgba(248, 251, 253, 0.12);
}

.hero-layer__top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.hero-layer__top span {
  display: inline-flex;
  align-items: center;
  min-height: 1.55rem;
  padding: 0.25rem 0.48rem;
  border-radius: 999px;
  background: var(--signal-page-acid);
  color: #071018;
  font-size: 0.76rem;
  font-weight: 700;
}

.hero-layer h2,
.hero-layer h3 {
  margin: 0;
  color: #f8fbfd;
  font-size: clamp(2.1rem, 5vw, 4.7rem);
  line-height: 0.88;
  letter-spacing: -0.06em;
}

.hero-layer h3 {
  font-size: clamp(1.9rem, 3vw, 3.4rem);
}

.hero-layer p {
  margin: 0;
  color: rgba(248, 251, 253, 0.68);
  line-height: 1.48;
}

.hero-layer--primary {
  inset: 1rem auto auto 1rem;
  width: min(44rem, calc(100% - 2rem));
  transform:
    translateY(calc((1 - var(--hero-progress, 1)) * -28px))
    scale(calc(0.97 + (var(--hero-progress, 1) * 0.03)));
}

.hero-layer--data {
  right: 1rem;
  top: 30%;
  width: min(30rem, 38%);
  transform:
    translateX(calc((1 - var(--hero-progress, 1)) * -38px))
    translateY(calc((1 - var(--hero-progress, 1)) * -8px));
}

.hero-layer--use {
  left: 12%;
  bottom: 18%;
  width: min(34rem, 44%);
  transform:
    translateX(calc((1 - var(--hero-progress, 1)) * 42px))
    translateY(calc((1 - var(--hero-progress, 1)) * 18px));
}

.hero-layer--review {
  right: 1rem;
  bottom: 1rem;
  width: min(36rem, 46%);
  background: #081018;
  border-color: #081018;
}

.hero-layer--review h3,
.hero-layer--review p,
.hero-layer--review .panel-label {
  color: #f8fbfd;
}

.hero-layer--review .panel-label {
  opacity: 0.72;
}

.hero-layer-bars {
  display: grid;
  gap: 0.42rem;
}

.hero-layer-bars span {
  display: block;
  height: 0.42rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--signal-page-acid), rgba(122, 167, 255, 0.45));
  transform-origin: left center;
  animation: hero-bar-pulse 2.8s ease-in-out infinite;
}

.hero-layer-bars span:nth-child(2) {
  width: 76%;
  animation-delay: 180ms;
}

.hero-layer-bars span:nth-child(3) {
  width: 54%;
  animation-delay: 360ms;
}

.hero-route {
  position: absolute;
  z-index: 3;
  left: 1rem;
  right: 1rem;
  bottom: 48%;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  transform: translateY(calc((1 - var(--hero-progress, 1)) * 28px));
}

.hero-route span {
  min-height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(248, 251, 253, 0.18);
  border-radius: 8px;
  background: rgba(248, 251, 253, 0.08);
  color: #f8fbfd;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-outcome-card {
  position: absolute;
  z-index: 3;
  display: grid;
  gap: 0.7rem;
  width: min(15rem, 32%);
  min-height: 8.2rem;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.24);
  transform: translateY(calc((1 - var(--hero-progress, 1)) * 28px));
}

.hero-outcome-card p,
.hero-outcome-card strong {
  margin: 0;
}

.hero-outcome-card p {
  font-size: 0.96rem;
  line-height: 1.32;
}

.hero-outcome-card strong {
  align-self: end;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.hero-outcome-card--lime {
  right: 1.1rem;
  top: 12%;
  color: #071018;
  background: var(--signal-page-acid);
}

.hero-outcome-card--dark {
  right: 7%;
  bottom: 13%;
  color: #f8fbfd;
  background: rgba(8, 16, 24, 0.9);
  border: 1px solid rgba(248, 251, 253, 0.15);
}

.hero-figure,
.example-figure,
.signal-output-placeholder {
  margin: 0;
  display: grid;
  gap: 0.55rem;
}

.signal-output-placeholder {
  position: relative;
  overflow: hidden;
  padding: clamp(0.85rem, 1.4vw, 1.15rem);
  border: 1px solid rgba(248, 251, 253, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(rgba(248, 251, 253, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 251, 253, 0.06) 1px, transparent 1px),
    radial-gradient(circle at 78% 12%, rgba(210, 255, 56, 0.2), transparent 12rem),
    rgba(8, 16, 24, 0.7);
  background-size: 42px 42px, 42px 42px, auto, auto;
}

.signal-output-placeholder::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 0.35rem;
  background: linear-gradient(90deg, var(--signal-page-acid), rgba(122, 167, 255, 0.5), transparent);
}

.signal-output-placeholder__top,
.signal-output-placeholder__flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.signal-output-placeholder__top {
  justify-content: flex-start;
}

.signal-output-placeholder__top span,
.signal-output-placeholder__result p {
  margin: 0;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(248, 251, 253, 0.64);
}

.signal-output-placeholder__top strong,
.signal-output-placeholder__result strong {
  color: #f8fbfd;
}

.signal-output-placeholder__result span {
  color: rgba(248, 251, 253, 0.76);
  font-size: 0.9rem;
  line-height: 1.45;
}

.signal-output-placeholder__flow span {
  flex: 1 1 7.5rem;
  min-height: 2.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.55rem;
  border: 1px solid rgba(248, 251, 253, 0.16);
  border-radius: 8px;
  background: rgba(248, 251, 253, 0.07);
  color: rgba(248, 251, 253, 0.72);
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
}

.signal-output-placeholder__result {
  display: grid;
  gap: 0.35rem;
  padding: 0.85rem;
  border-radius: 8px;
  background: rgba(210, 255, 56, 0.12);
  border: 1px solid rgba(210, 255, 56, 0.32);
}

.hero-figure img,
.example-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--signal-page-line-strong);
  transform: scale(calc(0.94 + (var(--hero-progress, 1) * 0.06)));
  transform-origin: center;
}

.example-figure img {
  max-height: clamp(11rem, 18vw, 16rem);
  object-fit: cover;
  object-position: top center;
  opacity: 0.82;
}

.hero-figure--compact img {
  max-height: 8.8rem;
  object-fit: cover;
  object-position: top center;
}

.hero-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
}

.hero-strip span {
  padding: 0.68rem 0.55rem;
  border-radius: 8px;
  background: #081018;
  color: #f8fbfd;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}

.hero-review-board {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: start;
  gap: 0.8rem;
  min-height: 100%;
  padding: 0.95rem;
  border: 1px solid rgba(248, 251, 253, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(rgba(248, 251, 253, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 251, 253, 0.05) 1px, transparent 1px),
    radial-gradient(circle at 82% 20%, rgba(210, 255, 56, 0.18), transparent 11rem),
    linear-gradient(180deg, rgba(5, 10, 16, 0.96), rgba(8, 16, 24, 0.9));
  background-size: 38px 38px, 38px 38px, auto, auto;
  box-shadow: inset 0 1px 0 rgba(248, 251, 253, 0.05);
}

.hero-review-board::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 0.35rem;
  background: linear-gradient(90deg, var(--signal-page-acid), rgba(122, 167, 255, 0.46), transparent);
}

.hero-review-board__top,
.hero-review-board__grid {
  display: grid;
  gap: 0.7rem;
}

.hero-review-board__top {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

.hero-review-board__top span,
.hero-review-board__tile p,
.hero-review-board__summary p {
  margin: 0;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-review-board__top span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.9rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid rgba(210, 255, 56, 0.26);
  border-radius: 999px;
  background: rgba(210, 255, 56, 0.1);
  color: var(--signal-page-acid);
}

.hero-review-board__grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hero-review-board__tile,
.hero-review-board__summary {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}

.hero-review-board__tile {
  display: grid;
  gap: 0.5rem;
  align-content: start;
  padding: 0.85rem;
  min-height: 7.4rem;
  border: 1px solid rgba(248, 251, 253, 0.14);
  background: rgba(248, 251, 253, 0.05);
}

.hero-review-board__tile::before,
.hero-review-board__summary::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(125deg, rgba(210, 255, 56, 0.09), transparent 42%, transparent);
}

.hero-review-board__tile p,
.hero-review-board__summary p {
  color: rgba(248, 251, 253, 0.58);
}

.hero-review-board__tile strong,
.hero-review-board__summary strong {
  margin: 0;
  color: #f8fbfd;
  letter-spacing: -0.04em;
  line-height: 1.06;
}

.hero-review-board__tile strong {
  font-size: clamp(1.05rem, 1.35vw, 1.35rem);
}

.hero-review-board__summary {
  display: grid;
  gap: 0.38rem;
  align-content: end;
  min-height: 100%;
  padding: 0.95rem;
  border: 1px solid rgba(210, 255, 56, 0.28);
  background:
    radial-gradient(circle at 88% 18%, rgba(210, 255, 56, 0.2), transparent 9rem),
    rgba(210, 255, 56, 0.12);
  box-shadow: 0 0 0 1px rgba(210, 255, 56, 0.08), 0 16px 36px rgba(0, 0, 0, 0.18);
}

.hero-review-board__summary strong {
  font-size: clamp(1.35rem, 2vw, 1.95rem);
}

.hero-review-board__summary span {
  color: rgba(248, 251, 253, 0.82);
  line-height: 1.5;
}

.example-figure--signal {
  align-content: start;
}

.signal-example-output {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 1.7vw, 1.3rem);
  border: 1px solid var(--signal-page-line-strong);
  border-radius: 8px;
  background:
    linear-gradient(rgba(8, 16, 24, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 16, 24, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 84% 12%, rgba(210, 255, 56, 0.16), transparent 12rem),
    linear-gradient(180deg, rgba(246, 249, 252, 0.98), rgba(232, 238, 244, 0.98));
  background-size: 40px 40px, 40px 40px, auto, auto;
  box-shadow: var(--signal-page-shadow);
}

.signal-example-output::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 0.35rem;
  background: linear-gradient(90deg, var(--signal-page-acid), rgba(122, 167, 255, 0.44), transparent);
}

.signal-example-output__top {
  display: grid;
  gap: 0.4rem;
}

.signal-example-output__top span,
.signal-example-output__grid p {
  margin: 0;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #42505f;
}

.signal-example-output__top strong {
  max-width: 17rem;
  color: var(--signal-page-ink);
  font-size: clamp(1.4rem, 2vw, 1.85rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  text-align: left;
}

.signal-example-output__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}

.signal-example-output__grid article {
  min-height: 7rem;
  display: grid;
  align-content: start;
  gap: 0.55rem;
  padding: 0.95rem;
  border: 1px solid var(--signal-page-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
}

.signal-example-output__grid span {
  color: var(--signal-page-ink);
  font-size: 1rem;
  line-height: 1.5;
  font-weight: 650;
}

.signal-example-output__result {
  border-color: rgba(210, 255, 56, 0.72) !important;
  background:
    radial-gradient(circle at 88% 14%, rgba(210, 255, 56, 0.22), transparent 9rem),
    linear-gradient(180deg, rgba(210, 255, 56, 0.16), rgba(255, 255, 255, 0.92)) !important;
}

.signal-example-output__footer {
  padding-top: 0.1rem;
}

.signal-example-output.is-changing {
  animation: example-scan 540ms ease-out;
}

.signal-marquee {
  width: 100%;
  overflow: hidden;
  padding: 0.55rem 0;
  border-top: 1px solid var(--signal-page-line);
  border-bottom: 1px solid var(--signal-page-line);
  background: linear-gradient(90deg, rgba(210, 255, 56, 0.18), rgba(255, 255, 255, 0.76), rgba(122, 167, 255, 0.14));
}

.signal-marquee__track {
  display: flex;
  gap: 1.1rem;
  width: max-content;
  animation: signal-marquee 28s linear infinite;
  will-change: transform;
}

.signal-marquee__track span {
  white-space: nowrap;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  font-weight: 750;
  letter-spacing: -0.03em;
}

.idea-panel {
  align-content: start;
  border-color: rgba(8, 16, 24, 0.2);
  background:
    linear-gradient(90deg, rgba(210, 255, 56, 0.2), rgba(210, 255, 56, 0) 0.42rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(238, 242, 245, 0.94));
  box-shadow: 0 18px 42px rgba(18, 31, 44, 0.08);
}

.embedded-panel {
  display: grid;
  gap: 0.9rem;
  align-content: start;
  border-color: rgba(8, 16, 24, 0.18);
  background:
    linear-gradient(90deg, rgba(122, 167, 255, 0.16), rgba(122, 167, 255, 0) 0.42rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(240, 244, 248, 0.95));
  box-shadow: 0 18px 42px rgba(18, 31, 44, 0.07);
}

.embedded-panel p {
  margin: 0;
  color: #3f4b58;
  font-size: clamp(1rem, 1.18vw, 1.15rem);
  line-height: 1.68;
}

.embedded-service {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.35rem;
  padding: 1rem;
  border: 1px solid rgba(8, 16, 24, 0.14);
  border-radius: 8px;
  background:
    radial-gradient(circle at 92% 12%, rgba(210, 255, 56, 0.16), transparent 10rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(244, 247, 250, 0.94));
}

.embedded-service__label {
  margin: 0;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #42505f;
}

.embedded-service__copy {
  margin: 0;
  color: #3f4b58;
}

.embedded-service__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}

.signal-cta--embedded-primary {
  color: #071018;
  background: var(--signal-page-acid);
  box-shadow: 0 0 0 1px rgba(8, 16, 24, 0.14), 0 12px 28px rgba(210, 255, 56, 0.16);
}

.signal-cta--embedded-secondary {
  color: #153a78;
  border-color: rgba(21, 58, 120, 0.18);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 0 0 1px rgba(21, 58, 120, 0.06);
}

.signal-cta--embedded-secondary:hover,
.signal-cta--embedded-secondary:focus-visible {
  border-color: rgba(21, 58, 120, 0.32);
}

.question-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.52rem;
}

.idea-rule {
  padding-top: 0.7rem;
  border-top: 1px solid var(--signal-page-line);
}

.platform-sequence__rail {
  position: sticky;
  top: calc(50svh + clamp(2rem, 4svh, 4rem));
  display: grid;
  gap: 0.7rem;
  justify-items: center;
  align-self: start;
  margin-top: 0;
  padding-top: 0;
  transform: none;
  z-index: 3;
}

.platform-sequence__progress-label {
  display: none;
}

.platform-sequence__rail span {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(248, 251, 253, 0.34);
  background: rgba(248, 251, 253, 0.08);
  transition:
    transform 240ms var(--signal-platform-ease),
    background-color 240ms ease,
    border-color 240ms ease;
}

.platform-sequence__rail span.is-active {
  background: var(--signal-page-acid);
  border-color: #9ec318;
  transform: scale(1.18);
}

.platform-sequence__sticky {
  position: sticky;
  top: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  align-items: center;
  align-self: start;
  background: linear-gradient(180deg, #030708 0%, #071018 45%, #101922 100%);
  backface-visibility: hidden;
  content-visibility: visible !important;
}

.platform-sequence.is-intro .platform-sequence__sticky {
  display: none;
}

.platform-visual {
  position: relative;
  min-height: min(76svh, 780px);
  border: 1px solid rgba(248, 251, 253, 0.18);
  border-radius: 8px;
  background:
    radial-gradient(circle at 72% 22%, rgba(210, 255, 56, 0.18), transparent 19rem),
    radial-gradient(circle at 12% 82%, rgba(122, 167, 255, 0.12), transparent 22rem),
    linear-gradient(180deg, rgba(248, 251, 253, 0.08), rgba(248, 251, 253, 0.025)),
    #030709;
  overflow: hidden;
  isolation: isolate;
  backface-visibility: hidden;
}

.platform-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(248, 251, 253, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 251, 253, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  transform: translateY(calc(var(--platform-progress, 0) * -72px));
}

.platform-visual::after {
  content: "SIGNAL";
  position: absolute;
  right: -0.08em;
  bottom: -0.2em;
  z-index: 0;
  color: rgba(248, 251, 253, 0.08);
  font-size: clamp(7rem, 16vw, 16rem);
  font-weight: 800;
  letter-spacing: -0.09em;
  line-height: 0.78;
  transform: translateX(calc((1 - var(--platform-progress, 0)) * 8%));
  pointer-events: none;
}

.platform-card {
  position: absolute;
  z-index: 1;
  inset: clamp(1.35rem, 2.2vw, 2rem);
  display: grid;
  align-content: start;
  gap: clamp(0.78rem, 1.2vw, 1.05rem);
  padding: clamp(1.35rem, 2.7vw, 2.2rem);
  border: 1px solid var(--signal-page-line);
  border-radius: 8px;
  background:
    linear-gradient(rgba(248, 251, 253, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 251, 253, 0.055) 1px, transparent 1px),
    #081018;
  background-size: 48px 48px, 48px 48px, auto;
  background-clip: padding-box;
  opacity: 0;
  transform: translateY(10%) scale(0.98);
  transition:
    opacity 320ms var(--signal-platform-ease),
    transform 320ms var(--signal-platform-ease),
    border-color 320ms ease,
    box-shadow 320ms ease;
  will-change: opacity, transform;
  backface-visibility: hidden;
}

.platform-card.is-active {
  border-color: rgba(210, 255, 56, 0.55);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24), inset 0 1px 0 rgba(248, 251, 253, 0.12);
  opacity: 1;
  transform: translateY(0) scale(1);
}

.platform-card::after {
  content: "";
  position: absolute;
  left: clamp(1rem, 2vw, 1.5rem);
  right: clamp(1rem, 2vw, 1.5rem);
  bottom: clamp(1rem, 2vw, 1.5rem);
  height: 0.4rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--signal-page-acid), rgba(122, 167, 255, 0.42), transparent);
  transform: scaleX(calc(0.22 + (var(--platform-progress, 0) * 0.78)));
  transform-origin: left center;
  opacity: 0.82;
}

body.fmd-signal-page .platform-card h2,
body.fmd-signal-page .platform-card h3,
body.fmd-signal-page .platform-step h3 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

body.fmd-signal-page .platform-card h2 {
  max-width: 12ch;
  color: #f8fbfd;
  font-size: clamp(2.8rem, 5.4vw, 6.4rem);
}

body.fmd-signal-page .platform-card h3 {
  max-width: 9ch;
  font-size: clamp(3.4rem, 6.2vw, 7rem);
  line-height: 0.88;
}

.platform-card__question,
.platform-card__detail,
.platform-step p:last-child {
  margin: 0;
  line-height: 1.6;
}

.platform-card h3,
.platform-card__question {
  color: #f8fbfd;
}

.platform-card__question {
  max-width: 24rem;
  opacity: 0.84;
  font-size: clamp(1.02rem, 1.45vw, 1.28rem);
}

.platform-card__detail {
  display: none;
}

body.fmd-signal-page.a11y-high-contrast {
  background: #000000;
}

body.fmd-signal-page.a11y-high-contrast::before {
  opacity: 0.12;
}

body.fmd-signal-page.a11y-high-contrast .signal-hero,
body.fmd-signal-page.a11y-high-contrast .platform-band,
body.fmd-signal-page.a11y-high-contrast .idea-band,
body.fmd-signal-page.a11y-high-contrast .example-band,
body.fmd-signal-page.a11y-high-contrast .problem-band,
body.fmd-signal-page.a11y-high-contrast .dimensions-band,
body.fmd-signal-page.a11y-high-contrast .outcomes-band {
  background: #000000;
}

body.fmd-signal-page.a11y-high-contrast .scroll-section,
body.fmd-signal-page.a11y-high-contrast .platform-visual,
body.fmd-signal-page.a11y-high-contrast .platform-card,
body.fmd-signal-page.a11y-high-contrast .hero-panel,
body.fmd-signal-page.a11y-high-contrast .idea-panel,
body.fmd-signal-page.a11y-high-contrast .example-panel,
body.fmd-signal-page.a11y-high-contrast .problem-card,
body.fmd-signal-page.a11y-high-contrast .dimension-card,
body.fmd-signal-page.a11y-high-contrast .outcome-card,
body.fmd-signal-page.a11y-high-contrast .hero-review-board,
body.fmd-signal-page.a11y-high-contrast .signal-output-placeholder,
body.fmd-signal-page.a11y-high-contrast .signal-example-output {
  background: #000000;
  border-color: rgba(255, 255, 255, 0.72);
  box-shadow: none;
}

body.fmd-signal-page.a11y-high-contrast .signal-hero h1,
body.fmd-signal-page.a11y-high-contrast .section-heading h2,
body.fmd-signal-page.a11y-high-contrast .problem-card h3,
body.fmd-signal-page.a11y-high-contrast .dimension-card h3,
body.fmd-signal-page.a11y-high-contrast .outcome-card h3,
body.fmd-signal-page.a11y-high-contrast .example-copy h3,
body.fmd-signal-page.a11y-high-contrast .platform-card h3,
body.fmd-signal-page.a11y-high-contrast .platform-step h3,
body.fmd-signal-page.a11y-high-contrast .platform-card__question,
body.fmd-signal-page.a11y-high-contrast .section-lead,
body.fmd-signal-page.a11y-high-contrast .platform-step p,
body.fmd-signal-page.a11y-high-contrast .hero-copy p,
body.fmd-signal-page.a11y-high-contrast .hero-review-board strong,
body.fmd-signal-page.a11y-high-contrast .hero-review-board span,
body.fmd-signal-page.a11y-high-contrast .hero-review-board p {
  color: #ffffff;
}

body.fmd-signal-page.a11y-high-contrast .hero-title-ghost {
  color: rgba(255, 255, 255, 0.55);
}

body.fmd-signal-page.a11y-reduced-motion .platform-band.scroll-section,
body.fmd-signal-page.a11y-reduced-motion .platform-sequence,
body.fmd-signal-page.a11y-reduced-motion .platform-sequence__sticky,
body.fmd-signal-page.a11y-reduced-motion .platform-card {
  transition: none !important;
  animation: none !important;
}

.platform-card--intro {
  align-content: end;
}

.platform-card--intro .platform-card__question {
  max-width: 36rem;
  font-size: clamp(1.25rem, 2vw, 1.8rem);
}

.platform-card__tag {
  width: max-content;
  margin-top: 0;
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(248, 251, 253, 0.18);
  border-radius: 8px;
  background: rgba(8, 16, 24, 0.34);
  color: rgba(248, 251, 253, 0.72);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: clamp(0.84rem, 0.9vw, 1.02rem);
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.platform-sequence__steps {
  position: sticky;
  top: 0;
  align-self: start;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  align-items: center;
  justify-items: start;
  padding: 0;
  text-align: left;
}

.platform-sequence.is-intro .platform-sequence__steps {
  grid-column: 2 / 4;
  justify-items: center;
  text-align: center;
}

.platform-step {
  grid-area: 1 / 1;
  min-height: 0;
  width: min(48rem, 100%);
  padding: clamp(1rem, 2vw, 1.5rem);
  border-left: 0;
  opacity: 0;
  transform: translateY(28px);
  pointer-events: none;
  transition:
    opacity 320ms var(--signal-platform-ease),
    transform 320ms var(--signal-platform-ease),
    border-color 320ms ease;
}

.platform-step.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

body.fmd-signal-page .platform-step h3 {
  color: #f8fbfd;
  max-width: 13ch;
  margin-inline: 0;
  font-size: clamp(2.7rem, 4.7vw, 5.5rem);
  line-height: 0.92;
  letter-spacing: -0.06em;
}

.platform-sequence.is-intro .platform-step {
  width: min(980px, 100%);
}

.platform-sequence.is-intro .platform-step h3 {
  max-width: 18ch;
  margin-inline: auto;
}

.platform-step p:last-child {
  color: rgba(248, 251, 253, 0.72);
  max-width: 40rem;
  margin-inline: 0;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  line-height: 1.45;
}

.platform-sequence.is-intro .platform-step p:last-child {
  margin-inline: auto;
}

.platform-step .panel-label {
  color: var(--signal-page-acid);
  font-size: clamp(1.15rem, 2.2vw, 2.6rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  opacity: 0.86;
}

.example-switcher {
  display: grid;
  gap: 0.7rem;
  align-content: start;
  position: sticky;
  top: 5.5rem;
}

.example-switcher-group {
  display: grid;
  gap: 0.8rem;
  align-content: start;
}

.example-switcher-intro,
.signal-example-output__footer {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.55;
  color: #455260;
}

.example-tab {
  width: 100%;
  padding: 1rem 1.05rem;
  color: var(--signal-page-ink);
  text-align: left;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.example-tab.is-active {
  border-color: #a6bf36;
  background: linear-gradient(180deg, rgba(210, 255, 56, 0.2), rgba(255, 255, 255, 0.92));
}

.example-panel {
  position: relative;
  overflow: hidden;
  align-content: start;
  min-height: 100%;
  gap: 1rem;
}

.example-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 0 32%, rgba(210, 255, 56, 0.22) 45%, transparent 58% 100%);
  opacity: 0;
  transform: translateX(-70%);
}

.example-panel.is-changing::before {
  animation: example-scan 540ms ease-out;
}

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

.example-metrics article {
  position: relative;
  overflow: hidden;
  min-height: 6.7rem;
  display: grid;
  align-content: space-between;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.example-metrics article::after {
  content: "";
  display: block;
  height: 0.32rem;
  margin-top: 0.9rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--signal-page-acid), rgba(122, 167, 255, 0.52), transparent);
  transform: scaleX(0.34);
  transform-origin: left center;
  transition: transform 260ms ease;
}

.example-panel.is-changing .example-metrics article {
  border-color: #9ec318;
  background: rgba(210, 255, 56, 0.11);
  transform: translateY(-2px);
}

.example-panel.is-changing .example-metrics article::after {
  transform: scaleX(1);
}

.example-metrics span {
  display: block;
  color: var(--signal-page-ink);
  line-height: 1.45;
}

.example-note {
  color: #5b7702;
  font-weight: 700;
}

@keyframes signal-marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes hero-bar-pulse {
  0%,
  100% {
    transform: scaleX(0.72);
  }
  50% {
    transform: scaleX(1);
  }
}

@keyframes hero-scan {
  0%,
  22% {
    transform: translateY(-58%);
    opacity: 0;
  }
  34%,
  64% {
    opacity: 0.58;
  }
  78%,
  100% {
    transform: translateY(62%);
    opacity: 0;
  }
}

@keyframes hero-data-stream {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes example-scan {
  0% {
    opacity: 0;
    transform: translateX(-72%);
  }
  32%,
  62% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(72%);
  }
}

@keyframes signal-dome-glow {
  from {
    opacity: 0.24;
    transform: translate3d(-2%, 1%, 0);
  }
  to {
    opacity: 0.54;
    transform: translate3d(3%, -2%, 0);
  }
}

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

  .scroll-section,
  .signal-hero h1,
  .hero-panel,
  .hero-metric,
  .problem-card,
  .dimension-card,
  .outcome-card,
  .hero-figure img,
  .example-figure img,
  .hero-layer,
  .hero-stage-grid,
  .hero-scan,
  .hero-data-stream,
  .signal-dome,
  .hero-route,
  .hero-outcome-card,
  .platform-step,
  .platform-card {
    transform: none;
    opacity: 1;
  }

  .signal-marquee__track {
    animation: none;
  }

  .hero-layer-bars span {
    animation: none;
  }

  .hero-scan,
  .hero-data-stream {
    display: none;
  }

  .example-panel.is-changing::before {
    animation: none;
  }

  .signal-dome::after {
    animation: none;
  }
}

@media (max-width: 1180px) {
  :root {
    --signal-platform-story-height: 360svh;
  }

  .hero-panel {
    grid-template-rows: none;
  }

  .signal-hero,
  .idea-layout,
  .embedded-layout,
  .example-layout,
  .platform-sequence,
  .problem-grid,
  .outcome-grid {
    grid-template-columns: 1fr;
  }

  .example-switcher {
    position: static;
  }

  .platform-sequence__rail,
  .platform-sequence__sticky,
  .platform-sequence__steps {
    position: sticky;
    min-height: 100vh;
    min-height: 100svh;
    transform: none;
  }

  .platform-sequence.is-intro,
  .platform-sequence {
    width: 100%;
  }

  .platform-sequence__rail {
    margin: clamp(2rem, 5vw, 3rem) 0 1.25rem;
  }

  .hero-layer--data,
  .hero-layer--use,
  .hero-layer--review {
    width: min(18rem, 56%);
  }

  .hero-review-board {
    display: none;
  }

  .hero-outcome-card {
    width: min(13rem, 36%);
  }

  .signal-hero .dimension-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .signal-hero-brandmark {
    position: relative;
    top: auto;
    left: auto;
    justify-self: start;
    width: min(30rem, 72vw);
    margin: 0 0 clamp(1.5rem, 5vw, 3rem);
    opacity: 0.72;
    transform: none;
  }
}

@media (max-width: 1040px) {
  .idea-layout,
  .embedded-layout,
  .example-layout,
  .platform-sequence,
  .problem-grid,
  .outcome-grid {
    grid-template-columns: 1fr;
  }

  .platform-visual {
    display: grid;
    gap: 0.9rem;
    min-height: clamp(14rem, 34svh, 21rem);
  }

  .platform-sequence.is-intro .platform-sequence__sticky {
    display: none;
  }

  .platform-card {
    position: absolute;
    inset: clamp(1rem, 4vw, 1.25rem);
    min-height: 0;
    opacity: 0;
    transform: translateY(10%) scale(0.98);
    pointer-events: none;
    align-content: center;
    gap: 0.85rem;
    padding: clamp(1rem, 4vw, 1.2rem);
  }

  .platform-card.is-active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
  }

  .platform-card::after {
    left: clamp(1rem, 4vw, 1.45rem);
    right: clamp(1rem, 4vw, 1.45rem);
    transform: scaleX(0.68);
  }

  .platform-card__detail {
    display: none;
  }

  body.fmd-signal-page .platform-card h2,
  body.fmd-signal-page .platform-card h3 {
    max-width: 100%;
    font-size: clamp(1.65rem, 6.2vw, 2.45rem);
    line-height: 0.9;
  }

  .platform-sequence {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    gap: 0;
    overflow: visible;
  }

  .platform-sequence.is-intro {
    width: 100%;
  }

  .platform-sequence__rail,
  .platform-sequence__sticky,
  .platform-sequence__steps {
    grid-area: 1 / 1;
    top: 0;
  }

  .platform-sequence__rail {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    align-self: start;
    justify-self: start;
    min-height: auto;
    height: auto;
    top: 46svh;
    margin: 0;
    padding: 0.9rem 0.3rem 0.9rem 0;
    z-index: 4;
    transform: translateY(-50%);
  }

  .platform-sequence__progress-label {
    display: none;
    align-items: baseline;
    gap: 0.2rem;
    margin-bottom: 0.28rem;
    padding: 0.16rem 0.4rem;
    border: 1px solid rgba(248, 251, 253, 0.18);
    border-radius: 999px;
    background: rgba(5, 10, 18, 0.72);
    color: rgba(248, 251, 253, 0.88);
    font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.08em;
  }

  .platform-sequence__sticky {
    align-items: start;
    padding-top: clamp(3.5rem, 8svh, 5.5rem);
    pointer-events: none;
    z-index: 1;
  }

  .platform-sequence__steps {
    display: grid;
    align-items: end;
    justify-items: stretch;
    padding-top: clamp(16.25rem, 35svh, 22rem);
    padding-bottom: clamp(2rem, 5svh, 3.5rem);
    padding-left: clamp(2.4rem, 8vw, 3.25rem);
    text-align: left;
    z-index: 2;
  }

  .platform-step {
    grid-area: 1 / 1;
    width: 100%;
    opacity: 0;
    transform: translateY(16px);
    pointer-events: none;
  }

  .platform-step.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .platform-sequence.is-intro .platform-sequence__steps {
    align-items: center;
    justify-items: center;
    padding-top: 0;
    padding-bottom: 0;
    padding-left: 0;
    padding-inline: clamp(1rem, 5vw, 2rem);
    text-align: center;
  }

  .platform-sequence.is-intro .platform-step {
    width: min(48rem, 100%);
  }

  body.fmd-signal-page .platform-step h3 {
    max-width: 12ch;
    margin-inline: 0;
    font-size: clamp(2rem, 7vw, 3.2rem);
  }

  .platform-step p:last-child {
    margin-inline: 0;
    font-size: clamp(0.98rem, 3.6vw, 1.12rem);
  }

  .platform-card__tag {
    margin-top: 0;
  }

  .platform-sequence.is-intro .platform-step h3,
  .platform-sequence.is-intro .platform-step p:last-child {
    margin-inline: auto;
  }

}

@media (max-width: 720px) {
  :root {
    --signal-platform-story-height: 320svh;
  }

  .scroll-section {
    padding-inline: 0.75rem;
  }

  .platform-band.scroll-section {
    padding-bottom: clamp(4.5rem, 13svh, 7rem);
    background:
      linear-gradient(180deg, rgba(9, 19, 35, 0.97), rgba(14, 35, 58, 0.95));
  }

  .platform-sequence__rail {
    left: 0.1rem;
    top: 44svh;
    gap: 0.48rem;
    padding: 0.35rem 0.2rem 0.45rem 0.1rem;
    transform: translateY(-50%);
  }

  .platform-sequence__progress-label {
    margin-bottom: 0.18rem;
    padding: 0.14rem 0.35rem;
    font-size: 0.62rem;
  }

  .platform-sequence__rail span {
    width: 0.78rem;
    height: 0.78rem;
    border-color: rgba(248, 251, 253, 0.4);
    background: rgba(248, 251, 253, 0.14);
  }

  .platform-sequence__rail span.is-active {
    transform: scale(1.22);
    box-shadow: 0 0 0 3px rgba(210, 255, 56, 0.16);
  }

  .platform-sequence__steps {
    padding-top: clamp(17rem, 36svh, 22.5rem);
    padding-bottom: clamp(1.8rem, 5svh, 3rem);
    padding-left: clamp(2.8rem, 10vw, 3.5rem);
    padding-right: 0.35rem;
  }

  .platform-sequence.is-intro .platform-sequence__steps {
    min-height: 100svh;
    padding-top: clamp(1.5rem, 6svh, 3rem);
    padding-bottom: clamp(1.5rem, 6svh, 3rem);
    padding-left: 0;
    padding-right: 0;
    padding-inline: clamp(1rem, 6vw, 1.8rem);
  }

  .platform-sequence.is-intro .platform-step {
    width: min(34rem, 100%);
    margin-inline: auto;
  }

  body.fmd-signal-page .platform-sequence.is-intro .platform-step h3 {
    max-width: 10.5ch;
  }

  .platform-sequence.is-intro .platform-step p:last-child {
    max-width: 28rem;
  }

  .dimension-stack,
  .signal-hero .dimension-stack,
  .dimension-grid,
  .example-metrics,
  .signal-example-output__grid,
  .hero-strip,
  .problem-grid,
  .outcome-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel__top {
    flex-direction: column;
    align-items: start;
  }

  .dimension-card,
  .outcome-card,
  .signal-example-output__grid article,
  .example-metrics article,
  .embedded-service {
    min-height: 0;
  }

  .signal-hero .dimension-chip {
    border-color: rgba(248, 251, 253, 0.14);
    background: rgba(248, 251, 253, 0.045);
    box-shadow: none;
    opacity: 0.62;
  }

  .signal-hero .dimension-chip p {
    color: rgba(248, 251, 253, 0.58);
  }

  .signal-hero .dimension-chip span {
    color: rgba(248, 251, 253, 0.52);
  }

  .signal-hero .dimension-chip.is-active {
    border-color: rgba(210, 255, 56, 0.74);
    background:
      radial-gradient(circle at 88% 18%, rgba(210, 255, 56, 0.2), transparent 8rem),
      rgba(210, 255, 56, 0.1);
    box-shadow: 0 0 0 1px rgba(210, 255, 56, 0.14), 0 14px 32px rgba(210, 255, 56, 0.1);
    opacity: 1;
  }

  .signal-hero .dimension-chip.is-active p {
    color: var(--signal-page-acid);
  }

  .signal-hero .dimension-chip.is-active span {
    color: rgba(248, 251, 253, 0.9);
  }

  .embedded-service__actions {
    align-items: stretch;
  }

  .signal-hero {
    min-height: auto;
  }

  .hero-product-stage {
    min-height: 42rem;
  }

  .signal-hero-brandmark {
    position: relative;
    top: auto;
    left: auto;
    width: min(21rem, 84vw);
    margin-bottom: 1rem;
    opacity: 0.94;
    transform: none;
  }

  .hero-layer--primary,
  .hero-layer--data,
  .hero-layer--use,
  .hero-layer--review {
    width: auto;
    left: 0.75rem;
    right: 0.75rem;
    border-color: rgba(248, 251, 253, 0.14);
    background: rgba(8, 16, 24, 0.62);
    box-shadow: none;
    opacity: 0.54;
  }

  .hero-layer.is-active {
    border-color: rgba(210, 255, 56, 0.64);
    background:
      radial-gradient(circle at 88% 18%, rgba(210, 255, 56, 0.18), transparent 11rem),
      rgba(248, 251, 253, 0.1);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.2);
    opacity: 1;
  }

  .hero-layer--primary {
    top: 0.75rem;
  }

  .hero-layer--data {
    top: 35%;
  }

  .hero-layer--use {
    bottom: 22%;
  }

  .hero-layer--review {
    bottom: 0.75rem;
  }

  .hero-route {
    display: none;
  }

  .hero-title-live {
    transform: none;
  }

  .signal-title--copy-fit .hero-title-live {
    transform: none;
  }

  .signal-hero .signal-title--copy-fit {
    font-size: 2.6rem;
  }

  .signal-dome {
    left: -20%;
    right: -62%;
    bottom: -28%;
    height: 58%;
  }

  .hero-outcome-card {
    display: none;
  }

  .signal-hero h1,
  .section-heading h2,
  .example-copy h3 {
    max-width: 100%;
  }
}