:root {
  --ink: oklch(13% 0.026 188);
  --ink-2: oklch(17% 0.028 188);
  --surface: oklch(22% 0.029 188);
  --surface-2: oklch(27% 0.028 188);
  --paper: oklch(94% 0.018 86);
  --clarity: oklch(96% 0.018 86);
  --clarity-2: oklch(91% 0.026 92);
  --clarity-ink: oklch(19% 0.028 178);
  --clarity-muted: oklch(40% 0.03 168);
  --clarity-line: oklch(72% 0.045 92);
  --muted: oklch(75% 0.032 96);
  --quiet: oklch(64% 0.036 176);
  --line: oklch(42% 0.032 188);
  --brass: oklch(76% 0.13 72);
  --green: oklch(74% 0.11 154);
  --steel: oklch(70% 0.09 224);
  --coral: oklch(68% 0.14 34);
  --berry: oklch(64% 0.12 342);
  --shadow: 0 28px 80px oklch(8% 0.02 188 / 0.38);
  --radius-xs: 6px;
  --radius-sm: 8px;
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

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

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--paper);
  background:
    linear-gradient(135deg, oklch(13% 0.026 188), oklch(17% 0.026 152) 48%, oklch(12% 0.024 220)),
    var(--ink);
  font-family: "Sarabun", "Segoe UI", sans-serif;
  text-rendering: geometricPrecision;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  content: "";
  background:
    linear-gradient(oklch(94% 0.018 86 / 0.035) 1px, transparent 1px),
    linear-gradient(90deg, oklch(94% 0.018 86 / 0.026) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, oklch(0% 0 0 / 0.95), transparent 86%);
}

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

button,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.system-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  opacity: 0.58;
  pointer-events: none;
}

.scroll-meter {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--brass), var(--green), var(--steel));
  transform: scaleX(0);
  transform-origin: left center;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 15;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-md);
  width: min(100% - 2rem, 1200px);
  margin: 0 auto;
  padding: var(--space-sm) 0;
  backdrop-filter: blur(18px);
}

.topbar::before {
  position: absolute;
  inset: 0 -1rem;
  z-index: -1;
  content: "";
  border-bottom: 1px solid oklch(94% 0.018 86 / 0.12);
  background: oklch(13% 0.026 188 / 0.78);
}

.brand,
.nav-links,
.nav-cta,
.button,
.signal-row,
.panel-head,
.choice,
.tier-tab,
.case-button,
.more-industries summary {
  min-height: 44px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--paper);
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 2.15rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid oklch(94% 0.018 86 / 0.26);
  border-radius: var(--radius-xs);
  background:
    linear-gradient(135deg, oklch(76% 0.13 72 / 0.18), oklch(74% 0.11 154 / 0.12)),
    oklch(22% 0.029 188 / 0.9);
}

.brand-mark span {
  width: 0.74rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--brass);
  box-shadow:
    0 0 0 0.42rem oklch(76% 0.13 72 / 0.12),
    0 0 0 0.9rem oklch(74% 0.11 154 / 0.08);
}

.nav-links {
  justify-self: center;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

.nav-links a,
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.55rem;
  padding: 0 var(--space-md);
  border: 1px solid transparent;
  border-radius: var(--radius-xs);
  color: var(--muted);
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 180ms var(--ease-out);
}

.nav-links a:hover,
.nav-links a.is-active,
.nav-cta:hover {
  color: var(--paper);
  border-color: oklch(94% 0.018 86 / 0.14);
  background: oklch(94% 0.018 86 / 0.06);
  transform: translateY(-1px);
}

.nav-cta {
  color: oklch(17% 0.028 188);
  background: var(--brass);
  font-weight: 800;
}

main {
  width: min(100% - 2rem, 1200px);
  margin: 0 auto;
}

.section-shell {
  padding: clamp(var(--space-3xl), 8vw, var(--space-4xl)) 0;
}

.hero {
  min-height: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  gap: clamp(var(--space-xl), 5vw, var(--space-3xl));
  padding-top: clamp(var(--space-2xl), 6vw, var(--space-4xl));
  text-align: center;
}

.hero-copy,
.section-heading,
.blueprint,
.contact-panel > div,
.trust-stack,
.contact-card {
  display: grid;
  gap: var(--space-md);
}

.hero-copy {
  justify-items: center;
  width: min(100%, 1040px);
}

.eyebrow,
.micro-label,
.tier-label {
  margin: 0;
  color: var(--brass);
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.35;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-weight: 800;
  letter-spacing: 0;
}

h1 {
  max-width: 13ch;
  font-size: clamp(2.8rem, 6.4vw, 6.35rem);
  line-height: 0.92;
}

.hero h1 {
  max-width: 19ch;
  margin-inline: auto;
  font-size: clamp(2.2rem, 4.7vw, 4.8rem);
  line-height: 1;
}

.hero .hero-text,
.hero-slogan {
  margin-inline: auto;
}

.hero-slogan {
  max-width: 50rem;
  color: var(--green);
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-size: clamp(1.15rem, 2.3vw, 1.75rem);
  font-weight: 800;
  line-height: 1.18;
}

h2 {
  max-width: 18ch;
  font-size: clamp(2.05rem, 4.6vw, 4.35rem);
  line-height: 0.96;
}

h3 {
  font-size: clamp(1.2rem, 1.55vw, 1.55rem);
  line-height: 1.1;
}

.hero-text,
.preview-explainer,
.blueprint-note,
.section-heading p,
.builder-controls label,
.blueprint p,
.tier-panel p,
.case-detail p,
.about-grid p,
.trust-grid span,
.trust-stack span,
.contact-panel p {
  max-width: 68ch;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.72;
}

.preview-explainer,
.blueprint-note {
  max-width: 58ch;
  color: var(--quiet);
}

.preview-journey {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(11rem, 0.82fr) minmax(16rem, 1.18fr) minmax(11rem, 0.82fr);
  align-items: stretch;
  gap: clamp(var(--space-sm), 2vw, var(--space-lg));
  overflow: hidden;
  min-height: 32rem;
  padding: clamp(var(--space-sm), 1.6vw, var(--space-lg));
  border: 1px solid oklch(94% 0.018 86 / 0.12);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(oklch(94% 0.018 86 / 0.05) 1px, transparent 1px),
    linear-gradient(90deg, oklch(94% 0.018 86 / 0.04) 1px, transparent 1px),
    radial-gradient(circle at 50% 36%, oklch(76% 0.13 72 / 0.14), transparent 34%),
    oklch(15% 0.028 188 / 0.72);
  background-size: 30px 30px, 30px 30px, auto, auto;
}

.intake-board,
.action-board,
.tib-engine {
  position: relative;
  z-index: 2;
  display: grid;
  gap: var(--space-sm);
}

.intake-board,
.action-board {
  align-content: center;
}

.board-title {
  display: grid;
  gap: var(--space-2xs);
}

.board-title span {
  color: var(--quiet);
  font-size: 0.88rem;
  line-height: 1.35;
}

.work-card,
.system-action,
.control-tile {
  display: grid;
  gap: var(--space-xs);
  min-width: 0;
  padding: var(--space-sm);
  border: 1px solid oklch(94% 0.018 86 / 0.14);
  border-radius: var(--radius-xs);
  background: oklch(94% 0.018 86 / 0.07);
  box-shadow: 0 16px 42px oklch(8% 0.02 188 / 0.18);
  transition: transform 240ms var(--ease-out), border-color 240ms ease, background 240ms ease;
}

.work-card {
  grid-template-columns: auto minmax(0, 1fr);
}

.work-card span,
.system-action span,
.control-tile span {
  color: var(--brass);
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.work-card span {
  display: grid;
  width: 2rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid oklch(76% 0.13 72 / 0.32);
  border-radius: var(--radius-xs);
  background: oklch(76% 0.13 72 / 0.11);
}

.work-card strong,
.system-action strong,
.control-tile strong {
  color: var(--paper);
  font-family: "Archivo", "Segoe UI", sans-serif;
  line-height: 1.12;
}

.work-card small,
.system-action small {
  grid-column: 2;
  color: var(--muted);
  line-height: 1.45;
}

.system-action small {
  grid-column: auto;
}

.system-action {
  background:
    linear-gradient(135deg, oklch(74% 0.11 154 / 0.09), transparent 60%),
    oklch(94% 0.018 86 / 0.07);
}

.work-card.is-updating,
.system-action.is-updating,
.control-tile.is-updating {
  border-color: oklch(76% 0.13 72 / 0.64);
  background: oklch(76% 0.13 72 / 0.12);
  transform: translateY(-4px);
}

.tib-engine {
  align-content: center;
  justify-items: center;
  padding-inline: var(--space-sm);
}

.engine-core {
  position: relative;
  display: grid;
  width: min(100%, 12.5rem);
  aspect-ratio: 1;
  place-items: center;
  padding: var(--space-md);
  border: 1px solid oklch(94% 0.018 86 / 0.2);
  border-radius: 50%;
  text-align: center;
  background:
    linear-gradient(145deg, oklch(76% 0.13 72 / 0.18), oklch(74% 0.11 154 / 0.12)),
    oklch(18% 0.028 188 / 0.98);
  box-shadow: 0 24px 54px oklch(8% 0.02 188 / 0.3);
}

.engine-ring {
  position: absolute;
  inset: 12%;
  border: 1px solid oklch(76% 0.13 72 / 0.38);
  border-radius: 50%;
  animation: coreScan 3.6s var(--ease-out) infinite;
}

.engine-core strong {
  color: var(--paper);
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.95;
}

.engine-core small {
  max-width: 11ch;
  color: var(--muted);
  font-weight: 800;
  line-height: 1.1;
}

.engine-steps {
  display: grid;
  gap: var(--space-xs);
  width: 100%;
}

.engine-steps article {
  display: grid;
  gap: var(--space-2xs);
  padding: var(--space-sm);
  border: 1px solid oklch(94% 0.018 86 / 0.12);
  border-radius: var(--radius-xs);
  background: oklch(13% 0.026 188 / 0.46);
}

.engine-steps span {
  color: var(--green);
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.engine-steps strong {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.34;
}

.journey-rail {
  position: absolute;
  inset: 12% 9%;
  z-index: 1;
  pointer-events: none;
}

.rail-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, oklch(76% 0.13 72 / 0.46), oklch(74% 0.11 154 / 0.38), transparent);
}

.rail-a {
  top: 30%;
  left: 8%;
  right: 8%;
  transform: rotate(5deg);
}

.rail-b {
  right: 8%;
  bottom: 28%;
  left: 8%;
  transform: rotate(-5deg);
}

.rail-packet {
  position: absolute;
  left: 6%;
  width: 0.72rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--brass);
  box-shadow: 0 0 0 0.5rem oklch(76% 0.13 72 / 0.12);
  animation: packetRun 4.8s var(--ease-out) infinite;
}

.packet-a {
  top: 28%;
}

.packet-b {
  top: 53%;
  background: var(--green);
  animation-delay: 1.1s;
}

.packet-c {
  top: 70%;
  background: var(--steel);
  animation-delay: 2.2s;
}

.preview-control-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-xs);
}

.control-tile {
  box-shadow: none;
  background:
    linear-gradient(135deg, oklch(70% 0.09 224 / 0.08), transparent),
    oklch(13% 0.026 188 / 0.46);
}

.preview-caption {
  display: grid;
  gap: var(--space-2xs);
  padding: var(--space-sm);
  border: 1px solid oklch(94% 0.018 86 / 0.12);
  border-radius: var(--radius-xs);
  background: oklch(13% 0.026 188 / 0.42);
}

.preview-caption strong {
  color: var(--paper);
  font-family: "Archivo", "Segoe UI", sans-serif;
}

.preview-caption span {
  color: var(--muted);
  line-height: 1.55;
}

.hero-actions,
.contact-methods {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hero-actions,
.signal-row {
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.85rem 1.08rem;
  border: 1px solid oklch(94% 0.018 86 / 0.16);
  border-radius: var(--radius-xs);
  font-weight: 800;
  transition: transform 180ms var(--ease-out), border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.button.primary {
  color: oklch(16% 0.028 188);
  border-color: transparent;
  background: var(--brass);
}

.button.secondary {
  color: var(--paper);
  background: oklch(94% 0.018 86 / 0.06);
}

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

.button.is-pressed {
  transform: translateY(1px) scale(0.98);
}

.brand:focus-visible,
.nav-links a:focus-visible,
.nav-cta:focus-visible,
.button:focus-visible,
.choice:focus-visible,
.tier-tab:focus-visible,
.case-button:focus-visible,
select:focus-visible,
.contact-card a:focus-visible,
.source-strip a:focus-visible,
.more-industries summary:focus-visible {
  outline: 3px solid oklch(76% 0.13 72 / 0.5);
  outline-offset: 3px;
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  max-width: 42rem;
}

.signal-row span,
.module-rack span,
.blueprint-meta span,
.core-tags span,
.owner-strip span,
.live-feed span,
.industry-strip span,
.case-flow span {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0.55rem 0.72rem;
  border: 1px solid oklch(94% 0.018 86 / 0.14);
  border-radius: var(--radius-xs);
  color: var(--muted);
  background: oklch(94% 0.018 86 / 0.055);
}

.ops-preview,
.builder-controls,
.blueprint,
.tier-console,
.case-lab,
.contact-panel,
.launch-band,
.about-card,
.trust-grid article,
.trust-stack article,
.contact-card {
  border: 1px solid oklch(94% 0.018 86 / 0.14);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(145deg, oklch(24% 0.03 188 / 0.9), oklch(17% 0.027 188 / 0.95)),
    var(--surface);
  box-shadow: var(--shadow);
}

.ops-preview {
  display: grid;
  gap: var(--space-md);
  width: min(100%, 1000px);
  padding: clamp(var(--space-md), 2vw, var(--space-lg));
  perspective: 1200px;
  text-align: left;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  color: var(--muted);
}

.panel-head strong {
  color: var(--green);
}

.stage-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.status-light {
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0.4rem oklch(74% 0.11 154 / 0.12);
  animation: statusBlink 1.8s ease-in-out infinite;
}

.preview-workflow {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(9.5rem, 1fr) minmax(9rem, 0.72fr) minmax(9.5rem, 1fr);
  align-items: center;
  gap: clamp(var(--space-sm), 2vw, var(--space-lg));
  min-height: 25rem;
  overflow: hidden;
  padding: clamp(var(--space-sm), 1.6vw, var(--space-lg));
  border: 1px solid oklch(94% 0.018 86 / 0.12);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(oklch(94% 0.018 86 / 0.05) 1px, transparent 1px),
    linear-gradient(90deg, oklch(94% 0.018 86 / 0.04) 1px, transparent 1px),
    oklch(15% 0.028 188 / 0.72);
  background-size: 30px 30px;
}

.preview-column {
  position: relative;
  z-index: 2;
  display: grid;
  gap: var(--space-sm);
}

.preview-column span {
  display: block;
  min-height: 3.6rem;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid oklch(94% 0.018 86 / 0.15);
  border-radius: var(--radius-xs);
  color: var(--paper);
  background: oklch(94% 0.018 86 / 0.075);
  box-shadow: 0 16px 42px oklch(8% 0.02 188 / 0.18);
  transition: transform 240ms var(--ease-out), border-color 240ms ease, background 240ms ease;
}

.preview-column span.is-updating {
  border-color: oklch(76% 0.13 72 / 0.64);
  background: oklch(76% 0.13 72 / 0.12);
  transform: translateY(-4px);
}

.preview-core {
  position: relative;
  z-index: 3;
  display: grid;
  width: min(100%, 13rem);
  aspect-ratio: 1;
  place-items: center;
  justify-self: center;
  padding: var(--space-md);
  border: 1px solid oklch(94% 0.018 86 / 0.2);
  border-radius: 50%;
  text-align: center;
  background:
    linear-gradient(145deg, oklch(76% 0.13 72 / 0.16), oklch(74% 0.11 154 / 0.1)),
    oklch(18% 0.028 188 / 0.98);
  box-shadow: 0 24px 54px oklch(8% 0.02 188 / 0.3);
}

.core-ring {
  position: absolute;
  inset: 11%;
  border: 1px solid oklch(76% 0.13 72 / 0.35);
  border-radius: 50%;
  animation: coreScan 3.6s var(--ease-out) infinite;
}

.preview-core strong {
  color: var(--paper);
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 0.95;
}

.preview-core small {
  max-width: 10ch;
  color: var(--muted);
  font-weight: 800;
  line-height: 1.1;
}

.core-tags {
  position: absolute;
  bottom: 0.8rem;
  left: 50%;
  display: flex;
  gap: 0.3rem;
  transform: translateX(-50%);
}

.core-tags span {
  min-height: auto;
  padding: 0.22rem 0.4rem;
  color: var(--quiet);
  font-size: 0.62rem;
  font-weight: 800;
  line-height: 1;
}

.flow-lanes {
  position: absolute;
  z-index: 1;
  inset: 26% 10% 27%;
  pointer-events: none;
}

.lane {
  position: absolute;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, oklch(76% 0.13 72 / 0.4), oklch(74% 0.11 154 / 0.35), transparent);
}

.lane-one {
  top: 27%;
  transform: rotate(5deg);
}

.lane-two {
  top: 52%;
}

.lane-three {
  top: 77%;
  transform: rotate(-5deg);
}

.flow-dot {
  position: absolute;
  left: 12%;
  width: 0.72rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--brass);
  box-shadow: 0 0 0 0.5rem oklch(76% 0.13 72 / 0.12);
  animation: flowDot 4.4s var(--ease-out) infinite;
}

.dot-one {
  top: 25%;
}

.dot-two {
  top: 50%;
  background: var(--green);
  animation-delay: 0.8s;
}

.dot-three {
  top: 75%;
  background: var(--steel);
  animation-delay: 1.6s;
}

.dot-four {
  top: 50%;
  left: 50%;
  background: var(--coral);
  animation-delay: 2.35s;
}

.owner-strip,
.live-feed,
.blueprint-meta,
.module-rack,
.industry-strip,
.case-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
}

.owner-strip {
  padding: var(--space-sm);
  border: 1px solid oklch(94% 0.018 86 / 0.12);
  border-radius: var(--radius-xs);
  background: oklch(13% 0.026 188 / 0.48);
}

.owner-strip strong {
  margin-right: auto;
  color: var(--paper);
  font-family: "Archivo", "Segoe UI", sans-serif;
}

.live-feed span {
  position: relative;
  overflow: hidden;
}

.live-feed span::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, transparent, oklch(76% 0.13 72 / 0.16), transparent);
  transform: translateX(-120%);
  animation: feedSweep 4.8s var(--ease-out) infinite;
}

.launch-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.72fr);
  align-items: center;
  gap: var(--space-lg);
  padding: clamp(var(--space-lg), 3vw, var(--space-xl));
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-xs);
}

.countdown .unit {
  display: grid;
  min-height: 5.2rem;
  place-items: center;
  padding: var(--space-sm);
  border: 1px solid oklch(94% 0.018 86 / 0.14);
  border-radius: var(--radius-xs);
  background: oklch(94% 0.018 86 / 0.06);
}

.countdown strong {
  color: var(--paper);
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-size: clamp(1.45rem, 3vw, 2.25rem);
  line-height: 1;
}

.countdown span {
  color: var(--quiet);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-heading {
  display: grid;
  justify-items: center;
  width: min(100%, 860px);
  margin-bottom: clamp(var(--space-lg), 3vw, var(--space-2xl));
  margin-inline: auto;
  text-align: center;
}

.section-heading h2,
.section-heading p {
  margin-inline: auto;
}

.section-heading .eyebrow {
  justify-self: center;
}

.clarity-band {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding-inline: max(1rem, calc((100vw - 1200px) / 2));
  color: var(--clarity-ink);
  background:
    linear-gradient(135deg, var(--clarity), var(--clarity-2) 62%, oklch(89% 0.035 154));
}

.clarity-band .section-heading,
.clarity-band .proof-grid,
.clarity-band .process-steps {
  width: min(100%, 1200px);
  margin-inline: auto;
}

.clarity-band h2,
.clarity-band h3,
.clarity-band strong {
  color: var(--clarity-ink);
}

.clarity-band .section-heading p,
.clarity-band article p {
  color: var(--clarity-muted);
}

.clarity-band .eyebrow {
  color: oklch(43% 0.09 72);
}

.proof-grid,
.process-steps {
  display: grid;
  gap: var(--space-sm);
}

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

.proof-grid article,
.process-steps article {
  display: grid;
  gap: var(--space-sm);
  align-content: start;
  padding: clamp(var(--space-md), 2vw, var(--space-xl));
  border: 1px solid oklch(72% 0.045 92 / 0.55);
  border-radius: var(--radius-sm);
  background: oklch(98% 0.012 86 / 0.74);
}

.proof-grid article:nth-child(2) {
  background:
    linear-gradient(135deg, oklch(76% 0.13 72 / 0.14), oklch(74% 0.11 154 / 0.12)),
    oklch(98% 0.012 86 / 0.78);
}

.process-steps {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.process-steps span {
  display: inline-grid;
  width: 2.4rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid oklch(43% 0.09 72 / 0.28);
  border-radius: var(--radius-xs);
  color: oklch(32% 0.08 72);
  background: oklch(76% 0.13 72 / 0.18);
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
}

.builder-grid,
.about-grid,
.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1.14fr);
  gap: clamp(var(--space-lg), 4vw, var(--space-3xl));
  align-items: start;
}

.builder-controls,
.blueprint,
.tier-console,
.case-lab,
.contact-panel {
  padding: clamp(var(--space-md), 2vw, var(--space-xl));
}

.builder-controls {
  position: sticky;
  top: 5.2rem;
  align-self: start;
  display: grid;
  gap: var(--space-lg);
}

.builder-controls label,
.builder-controls fieldset {
  display: grid;
  gap: var(--space-sm);
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.more-industries {
  display: grid;
  gap: var(--space-sm);
}

.more-industries summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 0.72rem 0.85rem;
  border: 1px solid oklch(94% 0.018 86 / 0.14);
  border-radius: var(--radius-xs);
  color: var(--paper);
  background: oklch(94% 0.018 86 / 0.055);
  cursor: pointer;
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-weight: 800;
  list-style: none;
}

.more-industries summary::-webkit-details-marker {
  display: none;
}

.more-industries summary::after {
  content: "+";
  display: grid;
  width: 1.45rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: var(--radius-xs);
  color: var(--ink-2);
  background: var(--green);
}

.more-industries[open] summary::after {
  content: "-";
}

.more-industries label {
  margin-top: var(--space-xs);
}

.builder-controls label span,
.builder-controls legend {
  color: var(--paper);
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-weight: 800;
}

select {
  width: 100%;
  min-height: 3rem;
  padding: 0 var(--space-md);
  border: 1px solid oklch(94% 0.018 86 / 0.17);
  border-radius: var(--radius-xs);
  color: var(--paper);
  background: oklch(13% 0.026 188 / 0.62);
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xs);
}

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

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

.choice,
.tier-tab,
.case-button {
  border: 1px solid oklch(94% 0.018 86 / 0.14);
  border-radius: var(--radius-xs);
  color: var(--muted);
  background: oklch(94% 0.018 86 / 0.055);
  font-weight: 800;
  transition: transform 180ms var(--ease-out), border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.choice {
  padding: 0.78rem 0.8rem;
}

.choice:hover,
.choice.is-active,
.tier-tab:hover,
.tier-tab.is-active,
.case-button:hover,
.case-button.is-active {
  color: var(--paper);
  border-color: oklch(76% 0.13 72 / 0.52);
  background: oklch(76% 0.13 72 / 0.11);
  transform: translateY(-2px);
}

.blueprint h3 {
  max-width: 18ch;
  font-size: clamp(1.8rem, 3.2vw, 3rem);
}

.module-rack span {
  color: var(--paper);
}

.complexity {
  display: grid;
  gap: var(--space-xs);
}

.complexity > div:first-child {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--muted);
}

.complexity strong {
  color: var(--green);
}

.meter {
  overflow: hidden;
  height: 0.75rem;
  border: 1px solid oklch(94% 0.018 86 / 0.12);
  border-radius: 999px;
  background: oklch(13% 0.026 188 / 0.7);
}

.meter span {
  display: block;
  width: var(--meter-width, 58%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brass), var(--green), var(--steel));
  transition: width 420ms var(--ease-out);
}

.tier-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.tier-tab {
  padding: 0.85rem 1rem;
}

.tier-board {
  position: relative;
  min-height: 26rem;
}

.tier-panel {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(14rem, 0.9fr) minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity 260ms ease, transform 260ms var(--ease-out);
}

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

.tier-points {
  display: grid;
  gap: var(--space-xs);
  margin: var(--space-md) 0 0;
  padding: 0;
  list-style: none;
}

.tier-points li {
  position: relative;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid oklch(94% 0.018 86 / 0.12);
  border-radius: var(--radius-xs);
  color: var(--muted);
  background: oklch(94% 0.018 86 / 0.05);
  line-height: 1.55;
}

.tier-motion {
  position: relative;
  display: grid;
  min-height: 20rem;
  place-items: center;
  overflow: hidden;
  border: 1px solid oklch(94% 0.018 86 / 0.12);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(oklch(94% 0.018 86 / 0.05) 1px, transparent 1px),
    linear-gradient(90deg, oklch(94% 0.018 86 / 0.04) 1px, transparent 1px),
    oklch(13% 0.026 188 / 0.56);
  background-size: 28px 28px;
}

.tier-motion span {
  position: absolute;
  display: grid;
  min-width: 5.4rem;
  min-height: 3rem;
  place-items: center;
  padding: var(--space-xs);
  border: 1px solid oklch(94% 0.018 86 / 0.16);
  border-radius: var(--radius-xs);
  color: var(--paper);
  background: oklch(94% 0.018 86 / 0.075);
  font-weight: 800;
}

.blocks span:nth-child(1) { left: 9%; top: 15%; animation: blockFloat 4.2s var(--ease-out) infinite; }
.blocks span:nth-child(2) { left: 35%; top: 34%; animation: blockFloat 4.2s var(--ease-out) 0.45s infinite; }
.blocks span:nth-child(3) { right: 25%; bottom: 26%; animation: blockFloat 4.2s var(--ease-out) 0.9s infinite; }
.blocks span:nth-child(4) { right: 8%; bottom: 10%; animation: blockFloat 4.2s var(--ease-out) 1.35s infinite; }

.routes span:nth-child(1) { left: 10%; top: 42%; }
.routes span:nth-child(2) { left: 39%; top: 18%; animation: blockFloat 4s var(--ease-out) infinite; }
.routes span:nth-child(3) { right: 13%; top: 29%; animation: blockFloat 4s var(--ease-out) 0.55s infinite; }
.routes span:nth-child(4) { right: 18%; bottom: 18%; animation: blockFloat 4s var(--ease-out) 1.1s infinite; }

.monitor span:nth-child(1) { left: 11%; top: 18%; animation: blockFloat 4.5s var(--ease-out) infinite; }
.monitor span:nth-child(2) { right: 12%; top: 18%; animation: blockFloat 4.5s var(--ease-out) 0.55s infinite; }
.monitor span:nth-child(3) { left: 18%; bottom: 16%; animation: blockFloat 4.5s var(--ease-out) 1.1s infinite; }
.monitor span:nth-child(4) { right: 10%; bottom: 16%; animation: blockFloat 4.5s var(--ease-out) 1.65s infinite; }

.case-lab {
  display: grid;
  grid-template-columns: minmax(14rem, 0.42fr) minmax(0, 1fr);
  gap: var(--space-lg);
}

.case-list {
  display: grid;
  gap: var(--space-xs);
}

.case-button {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
}

.case-detail {
  display: grid;
  gap: var(--space-md);
  min-height: 22rem;
  align-content: center;
  padding: clamp(var(--space-md), 3vw, var(--space-2xl));
  border: 1px solid oklch(94% 0.018 86 / 0.12);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(135deg, oklch(76% 0.13 72 / 0.09), transparent 48%, oklch(70% 0.09 224 / 0.08)),
    oklch(13% 0.026 188 / 0.5);
}

.case-detail h3 {
  max-width: 20ch;
  font-size: clamp(1.7rem, 3vw, 3.1rem);
}

.case-outcomes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xs);
}

.case-outcomes div {
  display: grid;
  gap: var(--space-2xs);
  padding: var(--space-sm);
  border: 1px solid oklch(94% 0.018 86 / 0.12);
  border-radius: var(--radius-xs);
  background: oklch(94% 0.018 86 / 0.055);
}

.case-outcomes strong {
  color: var(--green);
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.case-outcomes span {
  color: var(--muted);
  line-height: 1.52;
}

.about-grid {
  align-items: stretch;
}

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

.trust-stack article,
.about-card,
.trust-grid article {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-md);
}

.trust-stack strong,
.trust-grid strong,
.contact-card strong {
  color: var(--paper);
  font-family: "Archivo", "Segoe UI", sans-serif;
  font-size: 1.08rem;
}

.industry-strip {
  margin-top: var(--space-xl);
}

.industry-strip span {
  color: var(--paper);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-sm);
}

.source-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.source-strip a {
  display: flex;
  min-height: 5.4rem;
  align-items: end;
  padding: var(--space-md);
  border: 1px solid oklch(94% 0.018 86 / 0.12);
  border-radius: var(--radius-sm);
  color: var(--paper);
  background:
    linear-gradient(135deg, oklch(76% 0.13 72 / 0.1), oklch(70% 0.09 224 / 0.08)),
    oklch(94% 0.018 86 / 0.05);
  font-weight: 800;
  line-height: 1.25;
  transition: transform 180ms var(--ease-out), border-color 180ms ease, background 180ms ease;
}

.source-strip a:hover {
  border-color: oklch(76% 0.13 72 / 0.5);
  background: oklch(76% 0.13 72 / 0.1);
  transform: translateY(-2px);
}

.contact-panel {
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.72fr);
  align-items: stretch;
}

.contact .contact-panel {
  color: var(--clarity-ink);
  border-color: oklch(72% 0.045 92 / 0.55);
  background:
    linear-gradient(135deg, oklch(98% 0.012 86 / 0.96), oklch(91% 0.026 92 / 0.92)),
    var(--clarity);
}

.contact .contact-panel h2,
.contact .contact-card strong {
  color: var(--clarity-ink);
}

.contact .contact-panel p,
.contact .contact-card span,
.contact .contact-card a {
  color: var(--clarity-muted);
}

.contact .button.secondary {
  color: var(--clarity-ink);
  border-color: oklch(72% 0.045 92 / 0.68);
  background: oklch(19% 0.028 178 / 0.06);
}

.contact .contact-card {
  border-color: oklch(72% 0.045 92 / 0.6);
  background: oklch(98% 0.012 86 / 0.72);
  box-shadow: none;
}

.contact-card {
  align-content: center;
  padding: var(--space-lg);
}

.contact-card span,
.contact-card a {
  color: var(--muted);
  line-height: 1.55;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  width: min(100% - 2rem, 1200px);
  margin: 0 auto;
  padding: var(--space-xl) 0 var(--space-2xl);
  border-top: 1px solid oklch(94% 0.018 86 / 0.12);
  color: var(--quiet);
}

.footer div {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer a:hover {
  color: var(--paper);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 650ms ease, transform 650ms var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@supports (content-visibility: auto) {
  .section-shell {
    content-visibility: auto;
    contain-intrinsic-size: auto 48rem;
  }

  .hero {
    content-visibility: visible;
  }
}

@keyframes statusBlink {
  0%,
  100% { opacity: 1; }
  50% { opacity: 0.42; }
}

@keyframes coreScan {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.82);
  }
  50% {
    opacity: 1;
    transform: scale(1.14);
  }
}

@keyframes flowDot {
  0% {
    opacity: 0;
    transform: translateX(0) scale(0.7);
  }
  16%,
  72% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(clamp(12rem, 38vw, 28rem)) scale(1);
  }
}

@keyframes packetRun {
  0% {
    opacity: 0;
    transform: translateX(0) scale(0.72);
  }
  14%,
  76% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(clamp(13rem, 50vw, 42rem)) scale(1);
  }
}

@keyframes feedSweep {
  0%,
  55% { transform: translateX(-120%); }
  100% { transform: translateX(120%); }
}

@keyframes blockFloat {
  0%,
  100% {
    border-color: oklch(94% 0.018 86 / 0.16);
    transform: translateY(0);
  }
  50% {
    border-color: oklch(76% 0.13 72 / 0.58);
    transform: translateY(-9px);
  }
}

@media (max-width: 1040px) {
  .topbar {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    grid-column: 1 / -1;
    justify-self: stretch;
    justify-content: flex-start;
    order: 3;
  }

  .hero,
  .builder-grid,
  .about-grid,
  .contact-panel,
  .launch-band {
    grid-template-columns: 1fr;
  }

  .builder-controls {
    position: static;
  }

  h1 {
    max-width: 13ch;
  }

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

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

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

@media (max-width: 760px) {
  main,
  .topbar,
  .footer {
    width: min(100% - 1rem, 1200px);
  }

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

  .nav-cta {
    display: none;
  }

  .nav-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-xs);
  }

  .nav-links a {
    padding: 0 var(--space-xs);
    font-size: 0.92rem;
  }

  .hero {
    min-height: auto;
    padding-top: var(--space-2xl);
  }

  .preview-workflow {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .preview-journey,
  .preview-control-grid {
    grid-template-columns: 1fr;
  }

  .preview-journey {
    min-height: auto;
  }

  .tib-engine {
    padding: var(--space-sm) 0;
  }

  .flow-lanes {
    display: none;
  }

  .journey-rail {
    display: none;
  }

  .preview-core {
    width: 10rem;
  }

  .engine-core {
    width: 10.5rem;
  }

  .owner-strip strong {
    width: 100%;
    margin-right: 0;
  }

  .choice-grid,
  .choice-grid.three,
  .choice-grid.common,
  .tier-tabs,
  .case-lab,
  .tier-panel,
  .trust-stack,
  .trust-grid,
  .process-steps,
  .source-strip,
  .case-outcomes {
    grid-template-columns: 1fr;
  }

  .tier-board {
    min-height: 42rem;
  }

  .tier-panel {
    align-content: start;
  }

  .tier-motion {
    min-height: 18rem;
  }

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

@media (max-width: 480px) {
  .nav-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  h1 {
    font-size: clamp(2.65rem, 18vw, 4.35rem);
  }

  .button,
  .hero-actions,
  .contact-methods {
    width: 100%;
  }

  .button {
    justify-content: center;
  }

  .builder-controls,
  .blueprint,
  .tier-console,
  .case-lab,
  .contact-panel,
  .ops-preview {
    padding: var(--space-md);
  }
}

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

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

  .reveal {
    opacity: 1;
    transform: none;
  }

  .system-canvas {
    display: none;
  }
}