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

html {
  scroll-behavior: smooth;
}

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

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

  .btn:hover,
  .btn:active {
    transform: none;
  }

  .product-visual-lattice,
  .product-visual-glow,
  .product-visual-scan,
  .product-visual-node,
  .product-visual-edge,
  .product-visual-pulse,
  .hero-lattice,
  .hero-visual-nodes {
    animation: none !important;
    opacity: 0.85;
    transform: none;
  }

  .product-visual-scan {
    display: none;
  }

  .product-visual-pulse {
    display: none;
  }

  .product-visual.is-reduced .product-visual-edge {
    opacity: 0.45 !important;
  }

  .product-visual.is-reduced .product-visual-node {
    opacity: 0.9 !important;
  }
}

body.marketing-landing {
  margin: 0;
  min-height: 100vh;
  font-family: var(--ak-font-body);
  font-size: var(--ak-text-md);
  line-height: var(--ak-leading-body);
  color: var(--ak-text);
  background: var(--ak-ink);
}

body.marketing-landing.nav-open {
  overflow: hidden;
}

.skip-link {
  position: absolute;
  left: var(--ak-space-4);
  top: -100%;
  z-index: 400;
  padding: var(--ak-space-3) var(--ak-space-4);
  background: var(--ak-spark);
  color: var(--ak-spark-ink);
  text-decoration: none;
  border-radius: var(--ak-radius-md);
}

.skip-link:focus {
  top: var(--ak-space-4);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ak-space-4);
  padding: var(--ak-space-4) var(--ak-space-5);
  background: color-mix(in srgb, var(--ak-ink) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, padding 0.2s ease;
}

.site-header.scrolled {
  border-bottom-color: var(--ak-hairline);
  padding-block: var(--ak-space-3);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: var(--ak-space-3);
  color: var(--ak-text);
  text-decoration: none;
}

.brand-isotype,
.brand-mark {
  width: var(--ak-isotype-nav);
  height: var(--ak-isotype-nav);
  flex-shrink: 0;
  display: block;
}

.brand-wordmark {
  font-family: var(--ak-font-brand);
  font-weight: var(--ak-font-weight-brand);
  font-size: var(--ak-text-lg);
  line-height: var(--ak-leading-tight);
  letter-spacing: var(--ak-tracking-brand);
  color: var(--ak-text);
  font-synthesis: none;
}

.brand-lockup--nav .brand-isotype,
.brand-lockup--nav .brand-mark {
  width: var(--ak-isotype-nav);
  height: var(--ak-isotype-nav);
}

.brand-lockup--nav .brand-wordmark {
  font-size: var(--ak-text-lg);
}

.brand-lockup--footer {
  gap: var(--ak-space-3);
}

.brand-lockup--footer .brand-isotype,
.brand-lockup--footer .brand-mark {
  width: var(--ak-isotype-footer);
  height: var(--ak-isotype-footer);
}

.brand-lockup--footer .brand-wordmark {
  font-size: var(--ak-text-md);
}

.brand-lockup--hero {
  gap: var(--ak-space-4);
  margin: 0 0 var(--ak-space-5);
  animation: brand-settle 0.7s ease forwards;
}

.brand-lockup--hero .brand-isotype,
.brand-lockup--hero .brand-mark {
  width: var(--ak-isotype-hero);
  height: var(--ak-isotype-hero);
}

.brand-lockup--hero .brand-wordmark {
  font-family: var(--ak-font-brand);
  font-weight: var(--ak-font-weight-brand-hero);
  font-size: var(--ak-text-brand);
  line-height: 0.95;
  letter-spacing: 0.04em;
  animation: brand-settle-wordmark 0.7s ease forwards;
}

@keyframes brand-settle {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes brand-settle-wordmark {
  from {
    letter-spacing: 0.04em;
  }
  to {
    letter-spacing: var(--ak-tracking-brand);
  }
}

.site-nav {
  display: none;
  align-items: center;
  gap: var(--ak-space-5);
}

.site-nav a {
  color: var(--ak-text-muted);
  text-decoration: none;
  font-size: var(--ak-text-sm);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ak-signal-bright);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--ak-space-3);
}

.theme-toggle,
.nav-toggle {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--ak-hairline-strong);
  background: transparent;
  color: var(--ak-text);
  border-radius: var(--ak-radius-md);
  cursor: pointer;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 1024px) {
  .site-nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .header-cta-desktop {
    display: inline-flex;
  }
}

.header-cta-desktop {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.75rem 1.25rem;
  border-radius: var(--ak-radius-md);
  font-family: var(--ak-font-body);
  font-weight: 600;
  font-size: var(--ak-text-sm);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible,
.theme-toggle:focus-visible,
.nav-toggle:focus-visible,
.faq-item summary:focus-visible {
  outline: 2px solid var(--ak-signal-bright);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--ak-spark);
  color: var(--ak-spark-ink);
}

.btn-primary:hover {
  background: var(--ak-spark-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--ak-text);
  border-color: var(--ak-hairline-strong);
}

.btn-secondary:hover {
  border-color: var(--ak-signal);
  color: var(--ak-signal-bright);
}

.btn-ghost {
  background: transparent;
  color: var(--ak-signal-bright);
  border: none;
  padding-inline: 0;
  min-height: auto;
}

.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
}

.mobile-drawer.open {
  display: block;
}

.mobile-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.mobile-drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(20rem, 88vw);
  height: 100%;
  background: var(--ak-graphite);
  border-left: 1px solid var(--ak-hairline);
  padding: var(--ak-space-6) var(--ak-space-5);
  display: flex;
  flex-direction: column;
  gap: var(--ak-space-4);
}

.mobile-drawer-panel a {
  color: var(--ak-text);
  text-decoration: none;
  font-size: var(--ak-text-lg);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.section {
  position: relative;
  padding: var(--ak-space-8) var(--ak-space-5);
}

.section-inner {
  max-width: var(--ak-content-max);
  margin: 0 auto;
}

.section-label {
  font-family: var(--ak-font-mono);
  font-size: var(--ak-text-xs);
  letter-spacing: var(--ak-tracking-label);
  text-transform: uppercase;
  color: var(--ak-signal);
  margin: 0 0 var(--ak-space-3);
}

.section-title {
  font-family: var(--ak-font-display);
  font-weight: 700;
  font-size: var(--ak-text-3xl);
  line-height: var(--ak-leading-tight);
  letter-spacing: var(--ak-tracking-brand);
  margin: 0 0 var(--ak-space-4);
  max-width: 18ch;
}

.section-support {
  margin: 0 0 var(--ak-space-7);
  color: var(--ak-text-muted);
  max-width: var(--ak-measure);
  font-size: var(--ak-text-lg);
}

.section.is-revealed .section-label,
.section.is-revealed .section-title,
.section.is-revealed .section-support,
.section.is-revealed .product-pillars,
.section.is-revealed .product-visual,
.section.is-revealed .beat-item,
.section.is-revealed .capability-item,
.section.is-revealed .step-item,
.section.is-revealed .audience-panel,
.section.is-revealed .integration-list,
.section.is-revealed .faq-list,
.section.is-revealed .aeo-block,
.section.is-revealed .cta-group {
  animation: strata-reveal 0.55s ease both;
}

.section.is-revealed .section-title {
  animation-delay: 0.04s;
}

.section.is-revealed .section-support {
  animation-delay: 0.08s;
}

.section.is-revealed .product-pillars,
.section.is-revealed .beat-item:nth-child(1),
.section.is-revealed .capability-item:nth-child(1),
.section.is-revealed .step-item:nth-child(1),
.section.is-revealed .audience-panel:nth-child(1) {
  animation-delay: 0.12s;
}

.section.is-revealed .beat-item:nth-child(2),
.section.is-revealed .capability-item:nth-child(2),
.section.is-revealed .step-item:nth-child(2),
.section.is-revealed .audience-panel:nth-child(2),
.section.is-revealed .product-visual {
  animation-delay: 0.18s;
}

.section.is-revealed .beat-item:nth-child(3),
.section.is-revealed .capability-item:nth-child(3),
.section.is-revealed .step-item:nth-child(3),
.section.is-revealed .audience-panel:nth-child(3) {
  animation-delay: 0.24s;
}

.section.is-revealed .capability-item:nth-child(4) {
  animation-delay: 0.3s;
}

@keyframes strata-reveal {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero {
  position: relative;
  min-height: calc(100vh - 4.5rem);
  display: flex;
  align-items: stretch;
  padding: 0;
  overflow: hidden;
  background: var(--ak-hero-field);
}

.hero-veil {
  position: absolute;
  inset: 0;
  background: var(--ak-hero-veil);
  pointer-events: none;
}

.hero-lattice {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 166, 160, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 166, 160, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 72% 38%, rgba(61, 201, 193, 0.22), transparent 42%);
  background-size: 48px 48px, 48px 48px, 100% 100%;
  opacity: 0.85;
  animation: lattice-drift 24s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes lattice-drift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-1.5%, 1%, 0);
  }
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--ak-content-max);
  margin: 0 auto;
  padding: var(--ak-space-8) var(--ak-space-5);
  display: grid;
  gap: var(--ak-space-7);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    min-height: calc(100vh - 4.5rem);
  }
}

.hero-copy {
  max-width: 36rem;
}

.hero-headline {
  font-family: var(--ak-font-display);
  font-weight: var(--ak-font-weight-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: var(--ak-leading-snug);
  margin: 0 0 var(--ak-space-4);
  color: var(--ak-text);
  max-width: 18ch;
}

.hero-support {
  margin: 0 0 var(--ak-space-6);
  color: var(--ak-text-muted);
  font-size: var(--ak-text-lg);
  max-width: 34ch;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ak-space-3);
}

.hero-visual {
  position: relative;
  min-height: 16rem;
  border-radius: 0;
  overflow: hidden;
}

.hero-visual-plane {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(61, 201, 193, 0.35) 0%, transparent 28%),
    radial-gradient(circle at 68% 55%, rgba(15, 111, 107, 0.45) 0%, transparent 35%),
    linear-gradient(180deg, transparent 0%, rgba(11, 15, 18, 0.35) 100%);
}

.hero-visual-nodes {
  position: absolute;
  inset: 12% 10%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 320' fill='none'%3E%3Cpath d='M80 240 L200 60 L320 240 Z' stroke='%233dc9c1' stroke-opacity='0.55' stroke-width='1.5'/%3E%3Ccircle cx='80' cy='240' r='5' fill='%231fa6a0'/%3E%3Ccircle cx='200' cy='60' r='6' fill='%233dc9c1'/%3E%3Ccircle cx='320' cy='240' r='5' fill='%231fa6a0'/%3E%3Ccircle cx='140' cy='160' r='3.5' fill='%233dc9c1'/%3E%3Ccircle cx='260' cy='160' r='3.5' fill='%233dc9c1'/%3E%3Cpath d='M80 240 L140 160 L200 60 L260 160 L320 240' stroke='%231fa6a0' stroke-opacity='0.35' stroke-width='1'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  animation: hero-node-breathe 7s ease-in-out infinite alternate;
}

@keyframes hero-node-breathe {
  from {
    opacity: 0.72;
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    opacity: 1;
    transform: translate3d(0, -1.5%, 0) scale(1.02);
  }
}

.beat-grid,
.audience-grid,
.capability-grid {
  display: grid;
  gap: var(--ak-space-6);
}

@media (min-width: 768px) {
  .beat-grid,
  .audience-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1024px) {
  .capability-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.beat-item h3,
.audience-panel h3,
.capability-item h3,
.step-item h3 {
  font-family: var(--ak-font-display);
  font-size: var(--ak-text-xl);
  margin: 0 0 var(--ak-space-3);
}

.beat-item p,
.audience-panel p,
.capability-item p,
.step-item p,
.product-pillars li,
.audience-panel li {
  margin: 0;
  color: var(--ak-text-muted);
}

.beat-item,
.capability-item,
.step-item {
  padding-top: var(--ak-space-4);
  border-top: 1px solid var(--ak-hairline);
}

.audience-panel {
  padding: var(--ak-space-5) 0;
  border-top: 1px solid var(--ak-hairline);
}

.audience-panel ul,
.product-pillars {
  margin: var(--ak-space-4) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--ak-space-2);
}

.audience-panel li::before,
.product-pillars li::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: var(--ak-space-2);
  border-radius: 1px;
  background: var(--ak-signal);
  vertical-align: middle;
}

.product-composition {
  display: grid;
  gap: var(--ak-space-6);
}

@media (min-width: 768px) {
  .product-composition {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
}

.product-visual {
  --product-graph-fade: 1;
  position: relative;
  min-height: 14rem;
  overflow: hidden;
  border: 1px solid var(--ak-hairline);
  background: color-mix(in srgb, var(--ak-ink) 70%, var(--ak-graphite));
  isolation: isolate;
}

.product-visual-lattice {
  position: absolute;
  inset: -20% -8%;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 17px,
      color-mix(in srgb, var(--ak-signal) 42%, transparent) 17px,
      color-mix(in srgb, var(--ak-signal) 42%, transparent) 18px
    ),
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--ak-signal) 18%, transparent),
      transparent 55%
    );
  background-size: 100% 100%, 100% 100%;
  opacity: 0.9;
  animation: product-lattice-drift 18s ease-in-out infinite alternate;
  pointer-events: none;
}

.product-visual-glow {
  position: absolute;
  inset: 12% 8%;
  background:
    radial-gradient(
      ellipse at 50% 35%,
      color-mix(in srgb, var(--ak-signal-bright) 28%, transparent),
      transparent 62%
    );
  opacity: 0.55;
  animation: product-glow-pulse 6.5s ease-in-out infinite alternate;
  pointer-events: none;
}

.product-visual-scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 18%;
  top: -20%;
  background: linear-gradient(
    180deg,
    transparent,
    color-mix(in srgb, var(--ak-signal-bright) 22%, transparent),
    transparent
  );
  animation: product-scan-pass 9s ease-in-out infinite;
  pointer-events: none;
  z-index: 1;
}

.product-visual-graph {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  opacity: var(--product-graph-fade);
  pointer-events: none;
}

.product-visual-edge {
  fill: none;
  stroke: color-mix(in srgb, var(--ak-signal) 70%, transparent);
  stroke-width: 0.35;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  opacity: 0.42;
}

.product-visual-edge.is-growing {
  animation: product-edge-grow 0.55s ease-out forwards;
}

.product-visual-edge.is-hit {
  stroke: color-mix(in srgb, var(--ak-spark) 80%, var(--ak-signal-bright));
  stroke-width: 0.55;
  opacity: 0.95 !important;
}

.product-visual-node {
  fill: var(--ak-signal-bright);
  opacity: 0.88;
  transform-box: fill-box;
  transform-origin: center;
}

.product-visual-node.is-active {
  animation: product-node-appear 0.7s ease-out;
}

.product-visual-node.is-query {
  fill: var(--ak-spark);
  opacity: 1;
}

.product-visual-node.is-hit {
  fill: color-mix(in srgb, var(--ak-spark) 55%, var(--ak-signal-bright));
  opacity: 1;
}

.product-visual-pulse {
  fill: none;
  stroke: color-mix(in srgb, var(--ak-spark) 65%, var(--ak-signal-bright));
  stroke-width: 0.45;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

@keyframes product-lattice-drift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(0, 6%, 0);
  }
}

@keyframes product-glow-pulse {
  from {
    opacity: 0.35;
    transform: scale(0.96);
  }
  to {
    opacity: 0.7;
    transform: scale(1.04);
  }
}

@keyframes product-scan-pass {
  0%,
  12% {
    transform: translate3d(0, 0, 0);
    opacity: 0;
  }
  18% {
    opacity: 0.85;
  }
  55% {
    transform: translate3d(0, 520%, 0);
    opacity: 0.55;
  }
  68%,
  100% {
    transform: translate3d(0, 560%, 0);
    opacity: 0;
  }
}

@keyframes product-edge-grow {
  from {
    opacity: 0;
    stroke-dasharray: 1 40;
    stroke-dashoffset: 40;
  }
  to {
    opacity: 1;
    stroke-dasharray: 40 0;
    stroke-dashoffset: 0;
  }
}

@keyframes product-node-appear {
  0% {
    opacity: 0;
    transform: scale(0.35);
  }
  55% {
    opacity: 1;
    transform: scale(1.35);
  }
  100% {
    opacity: 0.88;
    transform: scale(1);
  }
}

.steps {
  display: grid;
  gap: var(--ak-space-5);
}

@media (min-width: 1024px) {
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.step-index {
  font-family: var(--ak-font-mono);
  font-size: var(--ak-text-xs);
  letter-spacing: var(--ak-tracking-label);
  color: var(--ak-signal-bright);
  margin-bottom: var(--ak-space-3);
}

.integration-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ak-space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.integration-list li {
  min-height: 44px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--ak-hairline-strong);
  color: var(--ak-text);
  font-size: var(--ak-text-sm);
  display: inline-flex;
  align-items: center;
}

.aeo-block {
  margin-top: var(--ak-space-7);
  padding: var(--ak-space-5);
  border: 1px solid var(--ak-hairline);
  background: var(--ak-signal-wash);
}

.aeo-block h3 {
  margin: 0 0 var(--ak-space-3);
  font-family: var(--ak-font-display);
  font-size: var(--ak-text-lg);
}

.aeo-block p {
  margin: 0;
  color: var(--ak-text-muted);
}

.faq-list {
  display: grid;
  gap: var(--ak-space-3);
}

.faq-item {
  border-top: 1px solid var(--ak-hairline);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  min-height: 44px;
  display: flex;
  align-items: center;
  font-family: var(--ak-font-display);
  font-size: var(--ak-text-lg);
  padding: var(--ak-space-4) 0;
}

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

.faq-item p {
  margin: 0 0 var(--ak-space-5);
  color: var(--ak-text-muted);
  max-width: 52rem;
}

.get-started {
  text-align: center;
}

.get-started .section-title,
.get-started .section-support {
  margin-left: auto;
  margin-right: auto;
  max-width: 28ch;
}

.get-started .cta-group {
  justify-content: center;
}

.get-started .aeo-muted {
  margin-top: var(--ak-space-5);
  color: var(--ak-text-faint);
  font-size: var(--ak-text-sm);
}

.site-footer {
  border-top: 1px solid var(--ak-hairline);
  padding: var(--ak-space-7) var(--ak-space-5);
  background: var(--ak-graphite);
}

.footer-inner {
  max-width: var(--ak-content-max);
  margin: 0 auto;
  display: grid;
  gap: var(--ak-space-5);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ak-space-4);
}

.footer-links a {
  color: var(--ak-text-muted);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-links a:hover {
  color: var(--ak-signal-bright);
}

.footer-meta {
  color: var(--ak-text-faint);
  font-size: var(--ak-text-sm);
}

.locale-stub {
  font-family: var(--ak-font-mono);
  font-size: var(--ak-text-xs);
  letter-spacing: var(--ak-tracking-label);
  text-transform: uppercase;
  color: var(--ak-text-faint);
}

#threejs-container,
#model-particles-container {
  display: none !important;
}