* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top center, color-mix(in srgb, var(--ak-hero-glow) 100%, transparent) 0%, transparent 36%),
    radial-gradient(circle at right 18%, color-mix(in srgb, var(--ak-hero-mist) 100%, transparent) 0%, transparent 28%),
    linear-gradient(180deg, var(--ak-surface-background) 0%, var(--ak-surface-canvas) 100%);
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ak-text-primary);
  font-family: var(--ak-font-body);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--ak-surface-overlay) 100%, transparent) 1px, transparent 1px),
    linear-gradient(color-mix(in srgb, var(--ak-surface-overlay) 100%, transparent) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.5;
  pointer-events: none;
}

.background-orbit {
  position: fixed;
  border-radius: 999px;
  filter: blur(96px);
  opacity: 0.5;
  pointer-events: none;
}

.background-orbit-left {
  width: 26rem;
  height: 26rem;
  top: -8rem;
  left: -5rem;
  background: var(--ak-hero-glow);
}

.background-orbit-right {
  width: 32rem;
  height: 32rem;
  right: -11rem;
  top: 10rem;
  background: var(--ak-hero-mist);
}

a {
  color: inherit;
}

.site-header,
.page-shell,
.site-footer {
  width: min(var(--ak-width-shell), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  display: grid;
  gap: var(--ak-space-sm);
  padding: 0.9rem 1rem;
  margin-top: var(--ak-space-md);
  position: sticky;
  top: 0.75rem;
  z-index: 8;
  border: 1px solid var(--ak-border-subtle);
  border-radius: calc(var(--ak-radius-lg) + 0.25rem);
  background: color-mix(in srgb, var(--ak-surface-panel) 82%, transparent);
  backdrop-filter: blur(18px);
  box-shadow: var(--ak-shadow-sm);
}

.header-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ak-space-md);
}

.brand-lockup,
.footer-mark {
  display: inline-flex;
  align-items: center;
  gap: var(--ak-space-sm);
  text-decoration: none;
}

.brand-icon,
.footer-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--ak-radius-sm);
  box-shadow: var(--ak-shadow-sm);
}

.brand-name {
  font-family: var(--ak-font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-copy,
.footer-mark span,
.surface-eyebrow,
.eyebrow,
.stat-label {
  color: var(--ak-text-muted);
  font-size: 0.88rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: var(--ak-space-xs);
  padding-top: 0.1rem;
}

.site-nav a,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ak-radius-pill);
  text-decoration: none;
  transition:
    transform var(--ak-motion-fast) var(--ak-motion-ease),
    border-color var(--ak-motion-fast) var(--ak-motion-ease),
    background-color var(--ak-motion-fast) var(--ak-motion-ease);
}

.site-nav a {
  padding: 0.45rem 0.1rem;
  margin-right: 1rem;
  border-bottom: 1px solid transparent;
  color: var(--ak-text-muted);
  font-size: 0.9rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-color: var(--ak-border-strong);
  color: var(--ak-text-primary);
}

.button {
  padding: 0.72rem 1rem;
  border: 1px solid var(--ak-border-subtle);
  font-weight: 700;
  white-space: nowrap;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--ak-brand-accent), color-mix(in srgb, var(--ak-brand-accent) 72%, var(--ak-state-warning)));
  color: var(--ak-text-inverse);
  box-shadow: var(--ak-shadow-sm);
}

.button-secondary {
  background: color-mix(in srgb, var(--ak-surface-panel-alt) 84%, transparent);
}

.page-shell {
  padding: var(--ak-space-xl) 0 var(--ak-space-3xl);
  display: grid;
  gap: calc(var(--ak-space-2xl) + 0.25rem);
}

.hero-block,
.surface-card,
.stat-card,
.sale-box,
.pull-quote,
.proof-band {
  border: 1px solid var(--ak-border-subtle);
  background: color-mix(in srgb, var(--ak-surface-panel) 93%, transparent);
  border-radius: var(--ak-radius-lg);
  box-shadow: var(--ak-shadow-sm);
}

.hero-block {
  padding: clamp(1.15rem, 2.2vw, 1.9rem);
  position: relative;
  overflow: hidden;
}

.hero-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top center, color-mix(in srgb, var(--ak-hero-glow) 92%, transparent) 0%, transparent 42%),
    linear-gradient(180deg, color-mix(in srgb, var(--ak-surface-overlay) 55%, transparent), transparent 36%);
  pointer-events: none;
}

.hero-grid,
.split-grid,
.proof-grid,
.command-grid,
.principle-grid {
  display: grid;
  gap: var(--ak-space-lg);
}

.hero-grid {
  grid-template-columns: minmax(0, 1.45fr) minmax(17rem, 0.82fr);
  align-items: start;
}

.hero-grid-system {
  grid-template-columns: minmax(0, 1.08fr) minmax(18rem, 0.9fr);
}

.hero-grid-product {
  grid-template-columns: minmax(0, 1.18fr) minmax(16rem, 0.82fr);
}

.split-grid,
.proof-grid,
.command-grid,
.principle-grid {
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.eyebrow,
.surface-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-family: var(--ak-font-mono);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.eyebrow::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--ak-brand-accent);
  box-shadow: 0 0 0 0.35rem color-mix(in srgb, var(--ak-brand-accent) 18%, transparent);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--ak-font-display);
  line-height: 0.98;
}

h1 {
  font-size: clamp(2.35rem, 4.4vw, 4rem);
  max-width: 11ch;
  margin-top: var(--ak-space-sm);
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.8rem, 2.6vw, 2.45rem);
}

h3 {
  font-size: 1.22rem;
}

p {
  margin: 0;
}

.hero-copy p,
.surface-card p,
.proof-band p,
.sale-box p,
.section-intro p {
  max-width: var(--ak-width-measure);
  color: var(--ak-text-muted);
  font-size: 0.96rem;
}

.hero-copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--ak-space-md);
}

.hero-actions,
.sale-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ak-space-sm);
  margin-top: var(--ak-space-md);
}

.hero-rail,
.sale-box,
.proof-band {
  padding: var(--ak-space-md);
}

.hero-rail {
  display: grid;
  gap: var(--ak-space-sm);
  border-radius: calc(var(--ak-radius-lg) - 0.1rem);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--ak-rail-soft) 60%, transparent), transparent),
    color-mix(in srgb, var(--ak-surface-panel-alt) 72%, transparent);
  border: 1px solid var(--ak-border-subtle);
}

.hero-machine {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--ak-space-sm);
}

.machine-card {
  padding: var(--ak-space-md);
  border-radius: calc(var(--ak-radius-lg) - 0.1rem);
  border: 1px solid var(--ak-border-subtle);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--ak-surface-overlay) 42%, transparent), transparent),
    color-mix(in srgb, var(--ak-surface-panel-alt) 62%, transparent);
}

.machine-card h3 {
  margin-top: var(--ak-space-sm);
  font-size: 1.25rem;
}

.machine-prompt {
  margin-top: var(--ak-space-sm);
  padding: var(--ak-space-md);
  border-radius: var(--ak-radius-md);
  border: 1px solid var(--ak-border-subtle);
  background: color-mix(in srgb, var(--ak-surface-background) 45%, transparent);
}

.machine-prompt code {
  color: var(--ak-text-primary);
  white-space: pre-wrap;
}

.machine-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ak-space-xs);
  margin-top: var(--ak-space-md);
}

.machine-chip,
.signal-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.75rem;
  border-radius: var(--ak-radius-pill);
  border: 1px solid var(--ak-border-subtle);
  background: color-mix(in srgb, var(--ak-surface-panel) 60%, transparent);
  color: var(--ak-text-muted);
  font-size: 0.82rem;
  line-height: 1.2;
}

.machine-list,
.machine-list li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.machine-list {
  display: grid;
  gap: var(--ak-space-xs);
  margin-top: var(--ak-space-md);
}

.machine-list li {
  padding: 0.72rem 0.85rem;
  border-radius: var(--ak-radius-md);
  border: 1px solid var(--ak-border-subtle);
  background: color-mix(in srgb, var(--ak-rail-soft) 44%, transparent);
  color: var(--ak-text-primary);
}

.machine-connector {
  text-align: center;
  font-family: var(--ak-font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ak-text-muted);
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ak-space-xs);
}

.signal-chip {
  background: color-mix(in srgb, var(--ak-rail-soft) 48%, transparent);
}

.rail-step {
  display: grid;
  gap: 0.35rem;
  padding: var(--ak-space-sm) 0;
  border-top: 1px solid var(--ak-border-subtle);
}

.rail-step:first-of-type {
  border-top: none;
}

.rail-step strong {
  color: var(--ak-rail-accent);
}

.section-block {
  display: grid;
  gap: var(--ak-space-md);
  padding-top: var(--ak-space-md);
  border-top: 1px solid color-mix(in srgb, var(--ak-border-subtle) 86%, transparent);
}

.section-intro {
  display: grid;
  gap: var(--ak-space-sm);
}

.section-block-soft {
  padding-top: 0;
  border-top: none;
}

.section-block-editorial {
  gap: var(--ak-space-lg);
}

.editorial-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(17rem, 0.9fr);
  gap: var(--ak-space-xl);
  align-items: start;
}

.editorial-grid-product {
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
}

.editorial-column,
.proof-stack {
  display: grid;
  gap: var(--ak-space-md);
}

.quiet-note {
  display: grid;
  gap: var(--ak-space-sm);
  padding: var(--ak-space-md);
  border: 1px dashed color-mix(in srgb, var(--ak-border-subtle) 100%, transparent);
  border-radius: var(--ak-radius-lg);
  background: color-mix(in srgb, var(--ak-surface-panel-alt) 42%, transparent);
}

.surface-card,
.stat-card,
.proof-band {
  padding: var(--ak-space-md);
}

.surface-card {
  display: grid;
  gap: 0.7rem;
}

.surface-footer {
  margin-top: var(--ak-space-md);
}

.stat-card {
  display: grid;
  gap: 0.4rem;
  min-height: 0;
  align-content: start;
}

.stat-value {
  font-size: 1.2rem;
  font-family: var(--ak-font-display);
  line-height: 1.2;
}

.stat-card-highlight .stat-value {
  color: var(--ak-brand-accent);
}

.command-list,
.bullet-list,
.timeline-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--ak-space-sm);
}

.command-list li,
.timeline-list li,
.bullet-list li {
  padding: 0.75rem 0.9rem;
  border-radius: var(--ak-radius-md);
  background: color-mix(in srgb, var(--ak-surface-panel-alt) 72%, transparent);
  border: 1px solid var(--ak-border-subtle);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: var(--ak-space-sm);
}

.fact-grid-inline {
  margin-top: var(--ak-space-sm);
}

.steps-grid {
  list-style: none;
  display: grid;
  gap: var(--ak-space-sm);
  margin: 0;
  padding: 0;
}

.step-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--ak-space-sm);
  align-items: start;
  padding: 0.82rem 0.9rem;
  border: 1px solid var(--ak-border-subtle);
  border-radius: var(--ak-radius-md);
  background: color-mix(in srgb, var(--ak-surface-panel-alt) 58%, transparent);
}

.step-index {
  min-width: 2.2rem;
  padding-top: 0.1rem;
  font-family: var(--ak-font-mono);
  color: var(--ak-brand-accent);
  letter-spacing: 0.08em;
}

.step-copy {
  color: var(--ak-text-muted);
}

.step-copy strong {
  color: var(--ak-text-primary);
}

.proof-band-offer {
  display: grid;
  gap: var(--ak-space-md);
}

.timeline-list strong,
.sale-box strong,
.proof-band strong {
  color: var(--ak-brand-accent);
}

code {
  font-family: var(--ak-font-mono);
  font-size: 0.94em;
}

.quote-mark {
  font-family: var(--ak-font-display);
  font-size: 4rem;
  line-height: 0.8;
  color: var(--ak-brand-accent);
}

.pull-quote {
  padding: var(--ak-space-lg);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--ak-rail-soft) 50%, transparent), transparent),
    color-mix(in srgb, var(--ak-surface-panel) 88%, transparent);
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: var(--ak-space-lg);
  padding-top: var(--ak-space-md);
  padding-bottom: var(--ak-space-xl);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ak-space-sm) var(--ak-space-md);
  justify-content: flex-end;
}

.footer-links a {
  text-decoration: none;
  color: var(--ak-text-muted);
}

@media (max-width: 900px) {
  .site-header {
    position: static;
    top: auto;
  }

  .hero-grid,
  .editorial-grid,
  .editorial-grid-product {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 640px) {
  .site-header,
  .page-shell,
  .site-footer {
    width: min(var(--ak-width-shell), calc(100% - 1rem));
  }

  .site-header {
    margin-top: 0.5rem;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  .header-topline {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
  }

  .brand-lockup {
    width: 100%;
  }

  .brand-copy {
    display: none;
  }

  .hero-block,
  .surface-card,
  .stat-card,
  .sale-box,
  .pull-quote,
  .proof-band {
    padding: var(--ak-space-sm);
  }

  .button {
    width: 100%;
  }

  .site-nav {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    gap: 0.15rem 0.9rem;
  }

  .site-nav a {
    width: auto;
    margin-right: 0;
    padding: 0.45rem 0;
  }

  .hero-actions {
    display: grid;
  }

  h1 {
    font-size: clamp(2rem, 10vw, 2.8rem);
  }

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