:root {
  --color-ink: #07172f;
  --color-text: #26354a;
  --color-muted: #5b687b;
  --color-canvas: #ffffff;
  --color-surface: #f6f8fc;
  --color-surface-blue: #edf4ff;
  --color-border: #d7deea;
  --color-accent: #064fd5;
  --color-accent-hover: #033aa6;
  --color-accent-soft: #e7efff;
  --color-dark: #07172f;
  --color-dark-alt: #0d2344;
  --color-dark-text: #f7f9ff;
  --color-success: #12613f;
  --color-danger: #a52727;
  --font-sans: "Outfit", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --text-xs: 0.78rem;
  --text-sm: 0.9rem;
  --text-body: 1rem;
  --text-lede: clamp(1.1rem, 1.5vw, 1.35rem);
  --text-h3: clamp(1.2rem, 1.7vw, 1.55rem);
  --text-h2: clamp(2rem, 4vw, 3.8rem);
  --text-display: clamp(2.8rem, 5.4vw, 5.65rem);
  --space-1: 0.4rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --space-8: 7rem;
  --rail-page: min(clamp(1180px, 80vw, 1400px), calc(100% - 48px));
  --rail-reading: 720px;
  --radius-control: 0.45rem;
  --radius-card: 0.75rem;
  --radius-panel: 1rem;
  --shadow-card: 0 12px 30px rgb(7 23 47 / 8%);
  --shadow-panel: 0 28px 70px rgb(7 23 47 / 18%);
  --focus-ring: 0 0 0 3px #fff, 0 0 0 6px #2469e8;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body.mobile-nav-open {
  overflow: hidden;
}

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

a {
  color: var(--color-accent);
  text-underline-offset: 0.18em;
}

button,
input,
select,
textarea {
  font: inherit;
}

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

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

[hidden] {
  display: none !important;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  background: #fff;
  border-radius: var(--radius-control);
  color: var(--color-ink);
  font-weight: 700;
  transform: translateY(-180%);
}

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

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

h1,
h2,
h3,
strong {
  color: var(--color-ink);
}

h1,
h2,
h3 {
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.section-kicker {
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 780px;
  margin-bottom: var(--space-6);
}

.section-heading h2,
.capabilities-heading h2,
.product-evidence-heading h2,
.demo-copy h2,
.privacy-practices h2 {
  margin-bottom: var(--space-4);
  color: var(--color-ink);
  font-size: var(--text-h2);
}

.section-heading > p:last-child,
.capabilities-heading > p:last-child,
.product-evidence-heading > p,
.demo-copy > p {
  color: var(--color-muted);
  font-size: var(--text-lede);
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgb(255 255 255 / 12%);
  background: rgb(7 23 47 / 96%);
  backdrop-filter: blur(16px);
}

.brand-nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  width: var(--rail-page);
  min-height: 76px;
  margin-inline: auto;
  gap: var(--space-5);
}

.brand-link,
.footer-logo-link {
  display: inline-flex;
  align-items: center;
}

.brand-lockup {
  display: block;
  height: auto;
  width: auto;
  flex: none;
}

.brand-link .brand-lockup {
  width: min(46vw, 144px);
}

.footer-logo-link .brand-lockup {
  width: min(46vw, 162px);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 2.5vw, 2.25rem);
}

.nav-links a,
.nav-actions a,
.mobile-menu a {
  color: #f4f7ff;
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
}

.nav-links a:hover,
.nav-secondary:hover {
  color: #a9c6ff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-cta,
.primary-button,
.package-cta {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.25rem;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-control);
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.nav-cta:hover,
.primary-button:hover,
.package-cta:hover {
  border-color: var(--color-accent-hover);
  background: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

.secondary-button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.25rem;
  border: 1px solid #aeb9ca;
  border-radius: var(--radius-control);
  background: #fff;
  color: var(--color-ink);
  font-weight: 700;
  text-decoration: none;
}

.secondary-button:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.mobile-menu-button,
.mobile-menu {
  display: none;
}

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr);
  min-height: calc(100vh - 76px);
  align-items: stretch;
  background: #fff;
}

.landing-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(4rem, 8vw, 8rem) clamp(2rem, 5vw, 6rem);
}

.landing-hero h1 {
  max-width: 760px;
  margin-bottom: var(--space-5);
  color: var(--color-ink);
  font-size: var(--text-display);
}

.hero-lede {
  max-width: 650px;
  margin-bottom: var(--space-5);
  color: var(--color-muted);
  font-size: var(--text-lede);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.hero-proof-line {
  max-width: 640px;
  margin-bottom: 0;
  padding-left: var(--space-4);
  border-left: 3px solid var(--color-accent);
  color: var(--color-text);
  font-weight: 600;
}

.hero-product-stage {
  position: relative;
  display: flex;
  min-width: 0;
  align-items: center;
  padding: clamp(2rem, 5vw, 5rem);
  overflow: hidden;
  background:
    linear-gradient(140deg, rgb(8 27 57 / 12%), transparent 45%),
    var(--color-dark);
}

.hero-product-stage::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgb(255 255 255 / 4%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 4%) 1px, transparent 1px);
  background-size: 56px 56px;
  content: "";
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
}

.hero-stage-content {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-stage-kicker {
  display: none;
  margin: 0 0 var(--space-3);
  color: #d9e4f5;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.ops-console {
  position: relative;
  z-index: 1;
  width: 100%;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: var(--radius-panel);
  background: #0b1b34;
  box-shadow: var(--shadow-panel);
}

.ops-console-topbar {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-4);
  border-bottom: 1px solid rgb(255 255 255 / 12%);
  color: #9facbf;
  font-size: var(--text-sm);
}

.ops-console-topbar strong {
  color: #fff;
}

.ops-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #2ac184;
}

.ops-console-body {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(190px, 0.6fr);
}

.program-monitor {
  margin: 0;
  border-right: 1px solid rgb(255 255 255 / 12%);
}

.video-feed {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #041124;
}

.live-speaker-frame {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.speaker-card {
  position: absolute;
  right: var(--space-3);
  bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.55rem 0.75rem;
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: var(--radius-control);
  background: rgb(4 17 36 / 90%);
  color: #fff;
}

.speaker-card span {
  color: #7ff0bc;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.speaker-card strong {
  color: #fff;
}

.waveform {
  position: absolute;
  left: var(--space-3);
  bottom: var(--space-3);
  display: flex;
  height: 28px;
  align-items: end;
  gap: 4px;
}

.waveform span {
  width: 3px;
  border-radius: 2px;
  background: #7ca7ff;
  animation: signal 1.6s ease-in-out infinite alternate;
}

.waveform span:nth-child(1) { height: 30%; }
.waveform span:nth-child(2) { height: 75%; animation-delay: -0.4s; }
.waveform span:nth-child(3) { height: 45%; animation-delay: -0.8s; }
.waveform span:nth-child(4) { height: 100%; animation-delay: -0.2s; }
.waveform span:nth-child(5) { height: 55%; animation-delay: -0.6s; }

@keyframes signal {
  to { transform: scaleY(0.55); }
}

.monitor-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-3);
  color: #aebbd0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.monitor-meta span {
  padding-right: var(--space-2);
  border-right: 1px solid rgb(255 255 255 / 14%);
}

.ops-side-panel {
  display: grid;
  align-content: stretch;
}

.ops-side-panel > div {
  display: grid;
  align-content: center;
  padding: var(--space-3);
  border-bottom: 1px solid rgb(255 255 255 / 12%);
}

.ops-side-panel > div:last-child {
  border-bottom: 0;
}

.ops-side-panel span {
  color: #8596b1;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
}

.ops-side-panel strong {
  margin: 0.2rem 0;
  color: #fff;
  font-size: 0.92rem;
}

.ops-side-panel p {
  margin: 0;
  color: #aebbd0;
  font-size: 0.76rem;
  line-height: 1.35;
}

.hero-signal-card {
  position: absolute;
  z-index: 2;
  right: clamp(1.5rem, 4vw, 4rem);
  bottom: clamp(1.5rem, 4vw, 4rem);
  max-width: 360px;
  padding: 1rem 1.2rem;
  border-left: 3px solid #74a4ff;
  background: rgb(7 23 47 / 92%);
  color: #b8c5d8;
}

.hero-signal-card span {
  display: block;
  color: #8fb4ff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.hero-signal-card strong {
  color: #fff;
}

.fit-section,
.capabilities-section,
.product-evidence-section,
.diagnostic-proof-section,
.ava-context-section,
.governance-section,
.stack-section,
.onboarding-section,
.pricing-section,
.faq-section,
.demo-section,
.privacy-practices {
  width: var(--rail-page);
  margin-inline: auto;
}

.fit-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  gap: var(--space-6);
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.fit-intro h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(1.65rem, 2.5vw, 2.35rem);
}

.fit-intro p {
  margin-bottom: 0;
  color: var(--color-muted);
}

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

.buyer-fit-grid article {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-left: 1px solid var(--color-border);
}

.buyer-fit-grid span {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.capabilities-section,
.product-evidence-section,
.diagnostic-proof-section,
.governance-section,
.stack-section,
.onboarding-section,
.pricing-section,
.faq-section,
.demo-section,
.privacy-practices {
  padding-block: var(--space-8);
}

.anchor-alias {
  display: block;
  position: relative;
  top: -84px;
}

.capabilities-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: end;
  margin-bottom: var(--space-6);
  gap: var(--space-6);
}

.capabilities-heading .section-kicker,
.capabilities-heading h2 {
  grid-column: 1;
}

.capabilities-heading h2 {
  margin-bottom: 0;
}

.capabilities-heading > p:last-child {
  grid-column: 2;
  grid-row: 1 / span 2;
  margin: 0;
}

.capability-outcome-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.capability-outcome-list article {
  position: relative;
  display: grid;
  align-content: start;
  min-height: 250px;
  gap: var(--space-4);
  padding: var(--space-4);
  border-right: 1px solid var(--color-border);
}

.capability-outcome-list article:last-child {
  border-right: 0;
}

.capability-outcome-list article::before {
  position: absolute;
  top: -5px;
  left: var(--space-4);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-accent);
  content: "";
}

.capability-outcome-list > article > span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
}

.capability-outcome-list h3 {
  margin-bottom: var(--space-2);
  font-size: var(--text-h3);
}

.capability-outcome-list p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.engagement-inventory {
  margin-top: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.engagement-inventory > summary,
.faq-list summary,
.event-details-group > summary {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-ink);
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.engagement-inventory > summary::-webkit-details-marker,
.faq-list summary::-webkit-details-marker,
.event-details-group > summary::-webkit-details-marker {
  display: none;
}

.engagement-inventory > summary span:last-child {
  color: var(--color-accent);
  font-size: var(--text-sm);
}

.engagement-heading {
  padding: var(--space-4) var(--space-4) 0;
  border-top: 1px solid var(--color-border);
}

.engagement-heading h3 {
  margin-bottom: var(--space-2);
}

.engagement-heading p {
  color: var(--color-muted);
}

.engagement-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: var(--space-4);
  gap: 1px;
  background: var(--color-border);
}

.engagement-list article {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  background: #fff;
}

.engagement-list span {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.product-evidence-section {
  border-top: 1px solid var(--color-border);
}

.product-evidence-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: end;
  margin-bottom: var(--space-6);
  gap: var(--space-6);
}

.product-evidence-heading h2 {
  margin-bottom: 0;
}

.product-evidence-heading > p {
  margin-bottom: 0;
}

.evidence-carousel-shell {
  overflow: hidden;
  border: 1px solid #b9c3d2;
  border-radius: var(--radius-panel);
  background: var(--color-dark);
  box-shadow: var(--shadow-panel);
}

.evidence-carousel-toolbar {
  display: flex;
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid rgb(255 255 255 / 13%);
}

.evidence-carousel-status {
  margin: 0;
  color: #b9c7db;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.evidence-carousel-controls {
  display: flex;
  gap: var(--space-2);
}

.evidence-carousel-controls button,
.evidence-carousel-tabs button {
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: var(--radius-control);
  background: transparent;
  color: #f5f8ff;
  cursor: pointer;
  font-weight: 650;
}

.evidence-carousel-controls button {
  min-height: 38px;
  padding: 0.45rem 0.75rem;
}

.evidence-slide {
  margin: 0;
}

.evidence-slide picture,
.evidence-slide img {
  width: 100%;
}

.evidence-slide img {
  aspect-ratio: 16 / 10;
  height: auto;
  object-fit: cover;
}

.evidence-slide figcaption {
  display: grid;
  grid-template-columns: auto minmax(220px, 0.8fr) minmax(280px, 1.2fr);
  align-items: start;
  padding: var(--space-4);
  gap: var(--space-4);
  border-top: 1px solid rgb(255 255 255 / 13%);
}

.evidence-slide figcaption span {
  color: #8eb4ff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.evidence-slide figcaption strong {
  color: #fff;
  font-size: 1.15rem;
}

.evidence-slide figcaption p {
  margin: 0;
  color: #b7c3d5;
}

.evidence-carousel-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  padding: 1px;
  background: rgb(255 255 255 / 13%);
}

.evidence-carousel-tabs button {
  min-height: 52px;
  border: 0;
  border-radius: 0;
  background: var(--color-dark-alt);
}

.evidence-carousel-tabs button[aria-pressed="true"] {
  background: #0a4bc2;
  color: #fff;
}

.evidence-carousel-shell:not(.is-enhanced) .evidence-slide + .evidence-slide {
  margin-top: var(--space-5);
  border-top: 1px solid rgb(255 255 255 / 18%);
}

.diagnostic-proof-section {
  width: 100%;
  padding-inline: max(24px, calc((100% - 1180px) / 2));
  background: var(--color-dark);
}

.diagnostic-proof-section .section-heading h2,
.diagnostic-proof-section .section-heading p {
  color: var(--color-dark-text);
}

.diagnostic-proof-section .section-heading > p:last-child {
  color: #b6c3d6;
}

.diagnostic-console {
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 18%);
  border-radius: var(--radius-panel);
  background: #0b203e;
}

.diagnostic-query {
  padding: var(--space-4);
  border-bottom: 1px solid rgb(255 255 255 / 14%);
}

.diagnostic-query span,
.diagnostic-panels span {
  color: #8fb4ff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.diagnostic-query strong {
  display: block;
  margin: var(--space-1) 0;
  color: #fff;
  font-size: 1.35rem;
}

.diagnostic-query p,
.diagnostic-panels p {
  margin: 0;
  color: #aebbd0;
}

.diagnostic-panels {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.diagnostic-panels article {
  min-height: 170px;
  padding: var(--space-4);
  border-right: 1px solid rgb(255 255 255 / 14%);
}

.diagnostic-panels article:last-child {
  border-right: 0;
}

.diagnostic-panels strong {
  display: block;
  margin: var(--space-2) 0;
  color: #fff;
}

.timeline-rail {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 4px;
  margin-top: var(--space-4);
  background: #2a4b76;
}

.timeline-rail i {
  border-right: 3px solid #8fb4ff;
}

.proof-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-5);
  gap: 1px;
  background: rgb(255 255 255 / 15%);
}

.proof-list article {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--color-dark);
}

.proof-list strong {
  color: #fff;
}

.proof-list span {
  color: #aebbd0;
}

.ava-context-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  padding-block: var(--space-6);
  gap: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.ava-context-heading {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0 var(--space-3);
}

.ava-context-heading .section-kicker,
.ava-context-heading h2 {
  grid-column: 2;
}

.ava-context-heading .section-kicker {
  margin-bottom: var(--space-1);
}

.ava-context-heading h2 {
  margin: 0;
  font-size: clamp(1.6rem, 2.7vw, 2.7rem);
}

.ava-icon-orb {
  grid-row: 1 / span 2;
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.ava-icon-orb svg {
  width: 26px;
}

.ava-context-section > p {
  max-width: 720px;
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-lede);
}

.governance-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-7);
}

.governance-section .section-heading {
  margin-bottom: 0;
}

.trust-proof-grid {
  border-top: 1px solid var(--color-border);
}

.trust-proof-grid article {
  display: grid;
  grid-template-columns: 44px minmax(160px, 0.45fr) minmax(220px, 1fr);
  align-items: start;
  padding: var(--space-4) 0;
  gap: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.trust-proof-grid article > span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.trust-proof-grid p {
  margin: 0;
  color: var(--color-muted);
}

.text-link {
  grid-column: 2;
  justify-self: start;
  color: var(--color-accent);
  font-weight: 700;
}

.stack-section {
  border-top: 1px solid var(--color-border);
}

.stack-section .section-heading,
.onboarding-section .section-heading {
  max-width: 820px;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stack-grid > div {
  padding: var(--space-4);
  border-right: 1px solid var(--color-border);
}

.stack-grid > div:last-child {
  border-right: 0;
}

.stack-grid dt {
  margin-bottom: var(--space-2);
  color: var(--color-ink);
  font-weight: 700;
}

.stack-grid dd {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.onboarding-section {
  width: 100%;
  padding-inline: max(24px, calc((100% - 1180px) / 2));
  background: var(--color-surface-blue);
}

.onboarding-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.onboarding-steps li {
  position: relative;
  padding: var(--space-4);
  border-top: 1px solid #b9c8df;
  border-right: 1px solid #b9c8df;
}

.onboarding-steps li:last-child {
  border-right: 0;
}

.onboarding-steps li::before {
  position: absolute;
  top: -5px;
  left: var(--space-4);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-accent);
  content: "";
}

.onboarding-steps li > span {
  display: block;
  margin-bottom: var(--space-3);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.onboarding-steps strong {
  font-size: 1.15rem;
}

.onboarding-steps p {
  margin: var(--space-2) 0 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: var(--space-4);
}

.package-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow-card);
}

.package-card-featured {
  border-top: 4px solid var(--color-accent);
}

.package-card-head {
  min-height: 145px;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.package-name {
  margin-bottom: var(--space-2);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
}

.package-card-head > strong {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 2rem;
}

.package-card-head > span {
  color: var(--color-muted);
}

.package-usage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: var(--space-4) 0;
  gap: var(--space-3);
}

.package-usage div {
  display: grid;
  gap: 0.15rem;
}

.package-usage dt {
  color: var(--color-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
}

.package-usage dd {
  margin: 0;
  color: var(--color-ink);
  font-weight: 650;
}

.package-card h3 {
  font-size: 1.1rem;
}

.package-card ul {
  flex: 1;
  margin: 0 0 var(--space-5);
  padding-left: 1.1rem;
}

.package-card li {
  margin-bottom: var(--space-2);
  color: var(--color-muted);
}

.package-fit {
  flex: 1;
  margin: var(--space-4) 0 var(--space-5);
  color: var(--color-muted);
}

.package-note {
  max-width: 820px;
  margin: var(--space-4) auto 0;
  color: var(--color-muted);
  text-align: center;
}

.faq-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: var(--space-7);
  border-top: 1px solid var(--color-border);
}

.faq-list {
  border-top: 1px solid var(--color-border);
}

.faq-list details {
  border-bottom: 1px solid var(--color-border);
}

.faq-list summary {
  padding-inline: 0;
  font-size: 1.1rem;
}

.faq-list summary::after,
.event-details-group > summary::after {
  color: var(--color-accent);
  content: "+";
  font-size: 1.5rem;
}

.faq-list details[open] summary::after,
.event-details-group[open] > summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 680px;
  padding: 0 var(--space-5) var(--space-4) 0;
  color: var(--color-muted);
}

.demo-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  padding-inline: clamp(1.5rem, 5vw, 5rem);
  gap: var(--space-7);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

.demo-promises {
  display: grid;
  margin: var(--space-5) 0 0;
  padding: 0;
  gap: var(--space-4);
  list-style: none;
}

.demo-promises li {
  display: grid;
  gap: var(--space-1);
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-accent);
}

.demo-promises span {
  color: var(--color-muted);
}

.demo-form {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow-card);
}

.form-grid,
.event-details-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.form-grid label,
.event-details-grid label {
  display: grid;
  align-content: start;
  gap: var(--space-1);
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 650;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 0.7rem 0.8rem;
  border: 1px solid #aeb9c8;
  border-radius: var(--radius-control);
  background: #fff;
  color: var(--color-ink);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-accent);
  outline: 2px solid rgb(6 79 213 / 18%);
}

.full-span {
  grid-column: 1 / -1;
}

.event-details-group {
  border: 1px solid #aeb9c8;
  border-radius: var(--radius-control);
  background: #fff;
}

.event-details-group > summary {
  min-height: 50px;
  padding-block: 0.7rem;
  color: var(--color-ink);
}

.event-details-grid {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.compliance-field {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
}

.compliance-field legend {
  padding-inline: var(--space-1);
  color: var(--color-ink);
  font-weight: 700;
}

.compliance-field label,
.consent-field {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: var(--space-2);
  color: var(--color-text);
  font-weight: 400;
}

.compliance-field input,
.consent-field input {
  width: 18px;
  min-height: 18px;
  margin-top: 0.15rem;
  accent-color: var(--color-accent);
}

.consent-field {
  padding: var(--space-2) 0;
}

.optional-consent {
  color: var(--color-muted);
}

.honeypot-field {
  position: absolute !important;
  left: -10000px !important;
}

#submit-btn {
  min-height: 48px;
  margin-top: var(--space-4);
  padding: 0.8rem 1.4rem;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-control);
  background: var(--color-accent);
  color: #fff;
  cursor: pointer;
  font-weight: 750;
}

#submit-btn:hover {
  background: var(--color-accent-hover);
}

#submit-btn:disabled {
  cursor: wait;
  opacity: 0.65;
}

.form-message {
  margin: var(--space-3) 0 0;
  padding: var(--space-3);
  border-radius: var(--radius-control);
  font-weight: 650;
}

.form-message.error {
  border: 1px solid #e1a4a4;
  background: #fff2f2;
  color: var(--color-danger);
}

.form-message.success {
  border: 1px solid #9dceb8;
  background: #ecfaf3;
  color: var(--color-success);
}

.privacy-practices {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: var(--space-7);
  border-top: 1px solid var(--color-border);
}

.privacy-practices-copy p {
  color: var(--color-muted);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  padding: var(--space-6) max(24px, calc((100% - 1180px) / 2));
  gap: var(--space-6);
  background: var(--color-dark);
  color: #aebbd0;
}

.footer-brand p {
  margin: var(--space-3) 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  justify-content: flex-end;
  gap: var(--space-3) var(--space-5);
}

.footer-links a {
  color: #e4ebf7;
  text-decoration: none;
}

.copyright {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: var(--space-4);
  border-top: 1px solid rgb(255 255 255 / 14%);
  font-size: var(--text-sm);
}

/* Legal and error pages share the mutable stylesheet URL. */
.legal-page {
  min-height: 100vh;
  background: var(--color-surface);
}

.legal-header,
.legal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(920px, calc(100% - 40px));
  margin-inline: auto;
  gap: var(--space-4);
}

.legal-header {
  min-height: 86px;
  border-bottom: 1px solid var(--color-border);
}

.legal-header img {
  width: 150px;
}

.legal-header nav,
.legal-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.legal-header a,
.legal-footer a {
  color: var(--color-ink);
  font-weight: 650;
}

.legal-document {
  width: min(920px, calc(100% - 40px));
  margin: var(--space-6) auto;
  padding: clamp(1.5rem, 5vw, 4rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: #fff;
  box-shadow: var(--shadow-card);
}

.legal-document h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
}

.legal-document h2 {
  margin-top: var(--space-6);
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.legal-document h3 {
  margin-top: var(--space-5);
  font-size: 1.25rem;
}

.legal-document p,
.legal-document li {
  max-width: 760px;
}

.legal-document table {
  width: 100%;
  border-collapse: collapse;
}

.legal-document th,
.legal-document td {
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

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

.legal-draft-banner {
  padding: var(--space-3);
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-soft);
}

.legal-footer {
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-border);
}

@media (min-width: 1440px) {
  .hero-product-stage {
    padding-inline: clamp(2.5rem, 3.5vw, 4rem);
  }

  .hero-stage-kicker {
    display: block;
  }

  .ops-console-topbar {
    min-height: 52px;
  }

  .ops-side-panel > div {
    padding-block: 1.125rem;
  }
}

@media (max-width: 1120px) {
  .landing-hero {
    grid-template-columns: 1fr;
  }

  .landing-hero-copy {
    min-height: 620px;
  }

  .hero-product-stage {
    min-height: 640px;
  }

  .buyer-fit-grid,
  .capability-outcome-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-outcome-list article:nth-child(2n) {
    border-right: 0;
  }

  .capability-outcome-list article {
    min-height: 190px;
    border-bottom: 1px solid var(--color-border);
  }

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

  .stack-grid > div {
    border-bottom: 1px solid var(--color-border);
  }

  .stack-grid > div:nth-child(3n) {
    border-right: 0;
  }

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

  .diagnostic-panels article {
    border-bottom: 1px solid rgb(255 255 255 / 14%);
  }

  .diagnostic-panels article:nth-child(2n) {
    border-right: 0;
  }

  .governance-section,
  .faq-section,
  .demo-section {
    grid-template-columns: 1fr;
  }

  .text-link {
    grid-column: 1;
  }

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

  .package-card-head {
    min-height: auto;
  }
}

@media (max-width: 860px) {
  :root {
    --rail-page: min(100% - 32px, 720px);
    --space-8: 5.25rem;
  }

  .brand-nav {
    grid-template-columns: auto 1fr auto;
  }

  .nav-links,
  .nav-actions {
    display: none;
  }

  .mobile-menu-button {
    grid-column: 3;
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid rgb(255 255 255 / 25%);
    border-radius: var(--radius-control);
    background: transparent;
    color: #fff;
  }

  .mobile-menu-button svg {
    width: 24px;
  }

  .mobile-menu {
    position: fixed;
    z-index: 49;
    inset: 76px 0 0;
    display: grid;
    align-content: start;
    padding: var(--space-5) max(24px, calc((100% - 720px) / 2));
    gap: 1px;
    overflow-y: auto;
    background: var(--color-dark);
  }

  .mobile-menu a {
    padding: var(--space-3);
    border-bottom: 1px solid rgb(255 255 255 / 14%);
    font-size: 1.15rem;
  }

  .landing-hero-copy {
    min-height: auto;
    padding: var(--space-7) 24px;
  }

  .landing-hero h1 {
    font-size: clamp(2.8rem, 10vw, 4.8rem);
  }

  .hero-product-stage {
    min-height: auto;
    padding: var(--space-5) 24px var(--space-7);
  }

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

  .fit-section,
  .capabilities-heading,
  .product-evidence-heading,
  .ava-context-section,
  .governance-section,
  .faq-section,
  .demo-section,
  .privacy-practices {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .capabilities-heading .section-kicker,
  .capabilities-heading h2,
  .capabilities-heading > p:last-child {
    grid-column: 1;
    grid-row: auto;
  }

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

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

  .evidence-slide figcaption {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .evidence-carousel-tabs {
    grid-template-columns: 1fr;
  }

  .evidence-carousel-tabs button {
    min-height: 44px;
  }

  .trust-proof-grid article {
    grid-template-columns: 38px 1fr;
  }

  .trust-proof-grid p {
    grid-column: 2;
  }

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

  .stack-grid > div:nth-child(3n) {
    border-right: 1px solid var(--color-border);
  }

  .stack-grid > div:nth-child(2n) {
    border-right: 0;
  }

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

  .onboarding-steps li:nth-child(2n) {
    border-right: 0;
  }

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

  .footer-links {
    justify-content: flex-start;
  }

  .copyright {
    grid-column: 1;
  }
}

@media (max-width: 560px) {
  :root {
    --rail-page: calc(100% - 28px);
    --space-6: 2.4rem;
    --space-7: 2.7rem;
    --space-8: 2.9rem;
  }

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

  html {
    scroll-padding-top: 76px;
  }

  .mobile-menu {
    inset-block-start: 68px;
  }

  .landing-hero-copy {
    padding-block: var(--space-6);
  }

  .landing-hero h1 {
    font-size: clamp(2.5rem, 12vw, 3.75rem);
  }

  .section-heading {
    margin-bottom: var(--space-4);
  }

  .hero-actions {
    display: grid;
  }

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

  .hero-product-stage {
    padding: 14px;
  }

  .ops-console-body {
    grid-template-columns: 1fr;
  }

  .program-monitor {
    border-right: 0;
  }

  .ops-side-panel {
    grid-template-columns: repeat(2, 1fr);
  }

  .ops-side-panel > div:nth-child(odd) {
    border-right: 1px solid rgb(255 255 255 / 12%);
  }

  .ops-side-panel > div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .monitor-meta,
  .waveform {
    display: none;
  }

  .fit-section {
    padding-block: 1.25rem;
  }

  .engagement-list,
  .proof-list,
  .form-grid,
  .event-details-grid,
  .compliance-field {
    grid-template-columns: 1fr;
  }

  .buyer-fit-grid,
  .capability-outcome-list,
  .diagnostic-panels,
  .stack-grid,
  .onboarding-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .buyer-fit-grid article:nth-child(2n),
  .capability-outcome-list article:nth-child(2n),
  .diagnostic-panels article:nth-child(2n),
  .stack-grid > div:nth-child(2n),
  .onboarding-steps li:nth-child(2n) {
    border-right: 0;
  }

  .buyer-fit-grid article,
  .capability-outcome-list article,
  .stack-grid > div,
  .onboarding-steps li {
    border-bottom: 1px solid var(--color-border);
  }

  .buyer-fit-grid article {
    padding-inline: var(--space-3);
  }

  .capability-outcome-list article {
    min-height: auto;
    padding: 0.9rem;
  }

  .capability-outcome-list article::before {
    left: 0.9rem;
  }

  .capability-outcome-list p {
    font-size: 0.82rem;
    line-height: 1.45;
  }

  .engagement-list {
    padding: var(--space-2);
  }

  .product-evidence-section {
    width: 100%;
    padding-inline: 14px;
  }

  .evidence-carousel-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .evidence-carousel-controls {
    width: 100%;
  }

  .evidence-carousel-controls button {
    flex: 1;
  }

  .diagnostic-proof-section,
  .onboarding-section {
    padding-inline: 14px;
  }

  .diagnostic-panels,
  .stack-grid,
  .onboarding-steps {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-list {
    display: grid;
    grid-template-columns: 1fr;
  }

  .diagnostic-panels article,
  .proof-list article,
  .stack-grid > div,
  .onboarding-steps li {
    min-width: 0;
  }

  .diagnostic-panels article,
  .proof-list article {
    min-height: 0;
  }

  .diagnostic-query,
  .diagnostic-panels article,
  .proof-list article {
    padding: 0.85rem;
  }

  .diagnostic-query strong {
    font-size: 1.08rem;
  }

  .diagnostic-query p,
  .diagnostic-panels p,
  .proof-list span {
    font-size: 0.78rem;
    line-height: 1.4;
  }

  .diagnostic-panels strong,
  .proof-list strong {
    font-size: 0.86rem;
  }

  .timeline-rail {
    margin-top: 0.85rem;
  }

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

  .proof-list article:last-child {
    grid-column: 1 / -1;
  }

  .ava-context-heading {
    grid-template-columns: 44px 1fr;
  }

  .ava-icon-orb {
    width: 44px;
    height: 44px;
  }

  .trust-proof-grid article {
    grid-template-columns: 34px 1fr;
  }

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

  .trust-proof-grid article {
    display: block;
    padding: 0.9rem;
    border-right: 1px solid var(--color-border);
  }

  .trust-proof-grid article:nth-child(2) {
    border-right: 0;
  }

  .trust-proof-grid article:last-child {
    grid-column: 1 / -1;
    border-right: 0;
  }

  .trust-proof-grid article > span,
  .trust-proof-grid strong {
    display: block;
    margin-bottom: 0.4rem;
  }

  .trust-proof-grid p {
    grid-column: auto;
    font-size: 0.8rem;
    line-height: 1.45;
  }

  .stack-grid > div,
  .onboarding-steps li {
    padding: 0.85rem;
  }

  .stack-grid dt,
  .onboarding-steps strong {
    font-size: 0.9rem;
  }

  .stack-grid dd,
  .onboarding-steps p {
    font-size: 0.78rem;
    line-height: 1.45;
  }

  .onboarding-steps li > span {
    margin-bottom: 0.6rem;
  }

  .package-card,
  .demo-form {
    padding: var(--space-4);
  }

  .package-grid {
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch;
    padding: 3px 3px var(--space-3);
    gap: 0.85rem;
  }

  .package-card {
    padding: 1rem;
  }

  .package-card-head {
    padding-bottom: 0.85rem;
  }

  .package-card-head > strong {
    font-size: 1.65rem;
  }

  .package-card-head > span,
  .package-fit {
    font-size: 0.86rem;
    line-height: 1.45;
  }

  .package-fit {
    margin: 0.85rem 0;
  }

  .package-card ul {
    margin-bottom: var(--space-3);
  }

  .demo-section {
    width: 100%;
    padding-inline: 14px;
    border-radius: 0;
  }

  .full-span,
  .compliance-field {
    grid-column: 1;
  }

  .privacy-practices {
    gap: var(--space-4);
  }

  .footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

@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;
  }
}