:root {
  /* Jiro monochrome palette: these are the only opaque brand colors used in the UI. */
  --black: #050606;
  --ink: #111315;
  --ink-soft: #292d31;
  --muted: #636a70;
  --paper: #f4f3ef;
  --paper-deep: #ebe9e2;
  --surface: #ffffff;
  --surface-soft: #f8f8f6;
  --line: #d9dcd9;
  --line-strong: #b9bebc;

  /* Semantic aliases stay monochrome. */
  --accent: var(--ink);
  --accent-dark: var(--black);
  --accent-soft: var(--paper-deep);
  --success: var(--ink);
  --warning: var(--ink-soft);
  --danger: var(--ink-soft);

  /* Dark-surface hierarchy is derived from white transparency, not extra hues. */
  --dark-text: rgba(255,255,255,0.94);
  --dark-muted: rgba(255,255,255,0.72);
  --dark-dim: rgba(255,255,255,0.58);
  --dark-faint: rgba(255,255,255,0.46);
  --dark-line: rgba(255,255,255,0.12);

  --shadow-sm: 0 1px 2px rgba(17,19,21,0.06), 0 8px 24px rgba(17,19,21,0.04);
  --shadow-md: 0 16px 48px rgba(17,19,21,0.10);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shell: 1180px;
  --header-height: 82px;
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

a {
  color: inherit;
}

p,
h1,
h2,
h3,
h4,
ul,
ol {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(3rem, 7vw, 6.7rem);
  font-weight: 590;
}

h2 {
  font-size: clamp(2.1rem, 4.6vw, 4rem);
  font-weight: 580;
}

h3 {
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

p:last-child,
ul:last-child,
ol:last-child {
  margin-bottom: 0;
}

::selection {
  color: var(--surface);
  background: var(--accent);
}

:focus-visible {
  outline: 3px solid rgba(17, 19, 21, 0.42);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

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

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.narrow-shell {
  width: min(calc(100% - 40px), 840px);
  margin-inline: auto;
}

.section {
  padding: clamp(76px, 10vw, 140px) 0;
}

.section-tight {
  padding: clamp(52px, 7vw, 92px) 0;
}

.section-surface {
  background: var(--surface);
}

.section-dark {
  color: var(--paper);
  background: var(--ink);
}

.section-dark h2,
.section-dark h3,
.section-dark .eyebrow {
  color: var(--surface);
}

.section-dark p,
.section-dark .muted {
  color: var(--line-strong);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  padding: 10px 14px;
  color: var(--surface);
  background: var(--ink);
  border-radius: 8px;
  transform: translateY(-160%);
  transition: transform var(--transition);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--header-height);
  background: rgba(244, 243, 239, 0.86);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.site-header.is-scrolled {
  background: rgba(244, 243, 239, 0.96);
  border-color: rgba(17,19,21, 0.10);
  box-shadow: 0 5px 22px rgba(17,19,21, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
}

.brand-logo {
  width: 112px;
  height: auto;
}

.brand-division {
  padding-left: 13px;
  color: var(--muted);
  border-left: 1px solid var(--line-strong);
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.085em;
  line-height: 1;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 25px;
}

.nav-link {
  position: relative;
  color: var(--ink-soft);
  font-size: 0.93rem;
  font-weight: 560;
  text-decoration: none;
  white-space: nowrap;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1.5px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.menu-toggle-label {
  font-size: 0.9rem;
  font-weight: 650;
}

.menu-toggle-icon {
  display: grid;
  gap: 5px;
  width: 24px;
}

.menu-toggle-icon span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 680;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

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

.button-small {
  min-height: 42px;
  padding-inline: 17px;
  font-size: 0.86rem;
}

.button-dark {
  color: var(--surface);
  background: var(--ink);
  border-color: var(--ink);
}

.button-dark:hover {
  background: var(--ink-soft);
  border-color: var(--ink-soft);
  box-shadow: 0 10px 25px rgba(17,19,21, 0.16);
}

.button-primary {
  color: var(--surface);
  background: var(--accent);
  border-color: var(--accent);
}

.button-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  box-shadow: 0 10px 25px rgba(17,19,21,0.18);
}

.button-ghost {
  color: var(--ink);
  background: transparent;
  border-color: var(--line-strong);
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--ink);
}

.button-light {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--surface);
}

.button-arrow::after {
  margin-left: 11px;
  content: "↗";
  font-size: 1.05em;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 680;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.text-link::after {
  content: "→";
  transition: transform var(--transition);
}

.text-link:hover::after {
  transform: translateX(4px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 23px;
  height: 1px;
  content: "";
  background: currentColor;
}

.lead {
  color: var(--ink-soft);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  line-height: 1.52;
}

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

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  overflow: hidden;
  padding: clamp(72px, 9vw, 128px) 0 clamp(70px, 9vw, 118px);
}


.hero .shell {
  width: min(calc(100% - 56px), 1400px);
}

.hero::before {
  position: absolute;
  top: -220px;
  right: -220px;
  width: 680px;
  height: 680px;
  content: "";
  background: radial-gradient(circle, rgba(17, 19, 21, 0.08), rgba(17, 19, 21, 0) 67%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.93fr) minmax(520px, 1.07fr);
  align-items: center;
  gap: clamp(54px, 8vw, 112px);
}

.hero-copy h1 {
  max-width: 900px;
  margin-bottom: 28px;
}

.hero-copy h1 span {
  color: var(--accent);
}

.hero-copy .lead {
  max-width: 690px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 34px;
  color: var(--muted);
  font-size: 0.86rem;
}

.hero-note span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-note span::before {
  width: 6px;
  height: 6px;
  content: "";
  background: var(--success);
  border-radius: 50%;
}

.system-visual {
  position: relative;
  min-height: 610px;
  padding: 30px 30px 26px;
  overflow: hidden;
  color: var(--surface);
  background: var(--black);
  border: 1px solid var(--black);
  border-radius: 12px;
  box-shadow: 0 22px 58px rgba(17,19,21, 0.14);
}

.system-visual::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black 12%, transparent 96%);
}

.system-visual::after {
  position: absolute;
  inset: 20% 7% 12% 26%;
  content: "";
  background: radial-gradient(circle at 56% 48%, rgba(255,255,255,0.075), transparent 56%);
  pointer-events: none;
}

.system-visual-header,
.system-visual-footer {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.system-visual-kicker,
.system-status,
.architecture-layer {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.system-visual-kicker {
  color: var(--line-strong);
  font-size: 0.68rem;
  font-weight: 650;
}

.system-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--line-strong);
  font-size: 0.66rem;
}

.system-status::before {
  width: 6px;
  height: 6px;
  content: "";
  background: var(--surface);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.08);
}

.architecture-map {
  position: relative;
  z-index: 2;
  min-height: 500px;
  margin-top: 12px;
}

.architecture-stage-rail {
  position: absolute;
  inset: 0 auto 0 0;
  width: 82px;
  z-index: 4;
  pointer-events: none;
}

.architecture-plot {
  position: absolute;
  inset: 0 0 0 88px;
  z-index: 2;
}

.architecture-connectors {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.architecture-line {
  fill: none;
  stroke: rgba(255,255,255,0.64);
  stroke-width: 1.25;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 760;
  stroke-dashoffset: 760;
  transition: stroke-dashoffset 1.15s cubic-bezier(.2,.7,.2,1) 160ms;
}

.system-visual.is-visible .architecture-line {
  stroke-dashoffset: 0;
}

.architecture-junction {
  fill: var(--surface);
  opacity: 0;
  transition: opacity 300ms ease 780ms;
}

.system-visual.is-visible .architecture-junction {
  opacity: 1;
}

.architecture-layer {
  position: absolute;
  left: 0;
  z-index: 3;
  width: 72px;
  color: var(--dark-dim);
  font-size: 0.55rem;
  white-space: nowrap;
}

.architecture-layer-inputs { top: 8%; }
.architecture-layer-frame { top: 29%; }
.architecture-layer-build { top: 51%; }
.architecture-layer-evidence { top: 73%; }
.architecture-layer-output { bottom: 4%; }

.architecture-node {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 8px 14px;
  color: var(--paper);
  white-space: nowrap;
  background: rgba(5,6,6,0.94);
  border: 1px solid rgba(255,255,255,0.72);
  border-radius: 999px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.66rem;
  font-weight: 580;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  box-shadow: 0 10px 24px rgba(5,6,6,0.26);
}

.architecture-node::before {
  width: 5px;
  height: 5px;
  margin-right: 7px;
  content: "";
  background: var(--surface);
  border-radius: 50%;
}

.node-quality { top: 4%; left: 18%; transform: translateX(-50%); }
.node-regulatory { top: 4%; left: 50%; transform: translateX(-50%); }
.node-product { top: 4%; left: 82%; transform: translateX(-50%); }
.node-frame { top: 26%; left: 50%; transform: translateX(-50%); }
.node-design { top: 48%; left: 29%; transform: translateX(-50%); }
.node-architecture { top: 48%; left: 71%; transform: translateX(-50%); }
.node-evidence { top: 70%; left: 50%; transform: translateX(-50%); }
.node-output { bottom: 0; left: 50%; transform: translateX(-50%); }

.architecture-node-output {
  border-color: var(--surface);
  box-shadow: 0 0 0 4px rgba(255,255,255,0.06), 0 0 18px rgba(255,255,255,0.15);
}

.system-visual-footer {
  padding-top: 16px;
  color: var(--dark-dim);
  border-top: 1px solid rgba(255,255,255,0.13);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.credibility-strip {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.credibility-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.credibility-item {
  padding: 25px 24px;
  border-right: 1px solid var(--line);
}

.credibility-item:first-child {
  padding-left: 0;
}

.credibility-item:last-child {
  padding-right: 0;
  border-right: 0;
}

.credibility-item strong {
  display: block;
  margin-bottom: 3px;
  font-size: 0.94rem;
}

.credibility-item span {
  color: var(--muted);
  font-size: 0.83rem;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  align-items: end;
  gap: 50px;
  margin-bottom: clamp(42px, 6vw, 72px);
}

.section-heading h2 {
  max-width: 850px;
  margin-bottom: 0;
}

.section-heading p {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 1.02rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  position: relative;
  min-height: 315px;
  padding: 30px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: var(--line-strong);
  box-shadow: 0 16px 40px rgba(17,19,21, 0.08);
  transform: translateY(-4px);
}

.card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 70px;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 760;
}

.card h3 {
  margin-bottom: 14px;
}

.card p {
  color: var(--muted);
  font-size: 0.94rem;
}

.card-link {
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.card-link span {
  position: absolute;
  right: 28px;
  bottom: 24px;
  font-size: 1.25rem;
  transition: transform var(--transition);
}

.card:hover .card-link span {
  transform: translate(3px, -3px);
}

.split-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: stretch;
  gap: 18px;
}

.feature-copy,
.feature-panel {
  padding: clamp(36px, 5vw, 62px);
  border-radius: var(--radius-lg);
}

.feature-copy {
  background: var(--surface);
  border: 1px solid var(--line);
}

.feature-copy h2 {
  margin-bottom: 24px;
}

.feature-copy .lead {
  margin-bottom: 31px;
}

.feature-panel {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  color: var(--surface);
  background: var(--ink);
}

.feature-panel::after {
  position: absolute;
  right: -120px;
  bottom: -150px;
  width: 420px;
  height: 420px;
  content: "";
  background: radial-gradient(circle, rgba(255,255,255,0.07), rgba(255,255,255,0) 68%);
}

.feature-panel h3 {
  position: relative;
  z-index: 1;
  max-width: 470px;
  color: var(--surface);
  font-size: clamp(1.85rem, 3.8vw, 3.2rem);
}

.feature-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0;
  margin: 75px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  color: var(--line);
  border-top: 1px solid rgba(255,255,255,0.13);
  font-size: 0.93rem;
}

.feature-list li::after {
  color: var(--dark-dim);
  content: "↗";
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-block: 1px solid var(--line);
}

.process-step {
  padding: 38px 36px 42px;
  border-right: 1px solid var(--line);
}

.process-step:first-child {
  padding-left: 0;
}

.process-step:last-child {
  padding-right: 0;
  border-right: 0;
}

.process-step span {
  display: block;
  margin-bottom: 44px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.14em;
}

.process-step h3 {
  margin-bottom: 13px;
}

.process-step p {
  color: var(--muted);
  font-size: 0.93rem;
}

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.engagement-item {
  min-height: 220px;
  padding: 34px;
  background: var(--surface);
}

.engagement-item span {
  display: block;
  margin-bottom: 35px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.engagement-item h3 {
  margin-bottom: 12px;
}

.engagement-item p {
  color: var(--muted);
  font-size: 0.93rem;
}

.cta-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 50px;
  padding: clamp(42px, 7vw, 80px);
  overflow: hidden;
  color: var(--surface);
  background: var(--accent);
  border-radius: var(--radius-lg);
}

.cta-panel::after {
  position: absolute;
  top: -180px;
  right: -120px;
  width: 460px;
  height: 460px;
  content: "";
  border: 1px solid rgba(255,255,255,0.26);
  border-radius: 50%;
  box-shadow: 0 0 0 55px rgba(255,255,255,0.05), 0 0 0 110px rgba(255,255,255,0.035);
}

.cta-panel > * {
  position: relative;
  z-index: 1;
}

.cta-panel h2 {
  max-width: 780px;
  margin-bottom: 18px;
  color: var(--surface);
}

.cta-panel p {
  max-width: 660px;
  margin-bottom: 0;
  color: rgba(255,255,255,0.82);
  font-size: 1.05rem;
}

.page-hero {
  position: relative;
  padding: clamp(90px, 12vw, 160px) 0 clamp(70px, 9vw, 120px);
  overflow: hidden;
}

.page-hero::after {
  position: absolute;
  top: -140px;
  right: -140px;
  width: 520px;
  height: 520px;
  content: "";
  background: radial-gradient(circle, rgba(17,19,21,0.06), transparent 69%);
}

.page-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.58fr);
  align-items: end;
  gap: 70px;
}

.page-hero h1 {
  max-width: 950px;
  margin-bottom: 0;
  font-size: clamp(3.2rem, 7.4vw, 6.5rem);
}

.page-hero .lead {
  margin-bottom: 4px;
}

.page-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 13px;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 630;
}

.content-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(40px, 8vw, 110px);
  padding-bottom: clamp(60px, 8vw, 110px);
  border-bottom: 1px solid var(--line);
}

.content-intro-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 740;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.content-intro-copy p {
  color: var(--ink-soft);
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  line-height: 1.48;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.service-item {
  min-height: 270px;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.service-item .service-index {
  display: block;
  margin-bottom: 54px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.12em;
}

.service-item h3 {
  margin-bottom: 14px;
}

.service-item p {
  color: var(--muted);
  font-size: 0.94rem;
}

.note-panel {
  padding: clamp(34px, 5vw, 56px);
  background: var(--accent-soft);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
}

.note-panel .eyebrow {
  color: var(--accent-dark);
}

.note-panel h2 {
  max-width: 900px;
  margin-bottom: 22px;
}

.note-panel p {
  max-width: 830px;
  color: var(--ink-soft);
}

.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.deliverable {
  padding: 28px;
  border-top: 2px solid var(--ink);
}

.deliverable h3 {
  margin-bottom: 13px;
  font-size: 1.18rem;
}

.deliverable p {
  color: var(--muted);
  font-size: 0.91rem;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.principle {
  min-height: 280px;
  padding: 34px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.principle span {
  display: block;
  margin-bottom: 62px;
  color: var(--accent);
  font-weight: 760;
}

.principle h3 {
  margin-bottom: 14px;
}

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

.about-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.about-fact {
  min-height: 190px;
  padding: 30px;
  background: var(--surface);
}

.about-fact strong {
  display: block;
  margin-bottom: 9px;
  font-size: 1.25rem;
}

.about-fact span {
  color: var(--muted);
}

.founder-section {
  padding-top: clamp(32px, 5vw, 72px);
}

.founder-profile {
  display: grid;
  grid-template-columns: minmax(270px, 0.62fr) minmax(0, 1.38fr);
  gap: 18px;
}

.founder-monogram,
.founder-copy {
  min-height: 520px;
  border-radius: var(--radius-lg);
}

.founder-monogram {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--surface);
  background: var(--ink);
}

.founder-monogram::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(255,255,255,0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.10) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom right, black, transparent 88%);
}

.founder-monogram::after {
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 380px;
  height: 380px;
  content: "";
  background: radial-gradient(circle, rgba(255,255,255,0.08), transparent 69%);
}

.founder-monogram span {
  position: relative;
  z-index: 1;
  font-size: clamp(4.5rem, 12vw, 9.5rem);
  font-weight: 620;
  letter-spacing: -0.08em;
  line-height: 1;
}

.founder-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(38px, 6vw, 72px);
  background: var(--surface);
  border: 1px solid var(--line);
}

.founder-copy h2 {
  margin-bottom: 24px;
}

.founder-copy .lead {
  max-width: 820px;
  margin-bottom: 38px;
}

.founder-meta {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.founder-meta > div {
  display: grid;
  grid-template-columns: minmax(100px, 0.28fr) minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.founder-meta span {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 730;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.founder-meta strong {
  color: var(--ink-soft);
  font-size: 0.94rem;
  font-weight: 620;
}

.founder-link {
  align-self: flex-start;
  margin-top: 26px;
}

.venture-band .feature-copy {
  color: var(--paper);
  background: var(--ink);
  border-color: rgba(255,255,255,0.12);
}

.venture-band .feature-copy h2,
.venture-band .feature-copy .lead,
.venture-band .feature-copy .eyebrow,
.text-link-light {
  color: var(--surface);
}

.venture-band .feature-copy .lead {
  color: var(--line-strong);
}

.feature-panel-dark {
  background: var(--black);
  border: 1px solid rgba(255,255,255,0.12);
}

.text-link-light {
  text-decoration-color: rgba(255,255,255,0.55);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  align-items: start;
  gap: clamp(50px, 8vw, 110px);
}

.contact-copy {
  position: sticky;
  top: calc(var(--header-height) + 45px);
}

.contact-copy h2 {
  margin-bottom: 24px;
}

.contact-copy .lead {
  margin-bottom: 30px;
}

.contact-details {
  display: grid;
  gap: 22px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.contact-detail span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.77rem;
  font-weight: 720;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-detail a,
.contact-detail strong {
  font-size: 1rem;
  font-weight: 620;
}

.form-card {
  padding: clamp(30px, 5vw, 52px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form-card h2 {
  margin-bottom: 12px;
  font-size: clamp(1.8rem, 3.8vw, 2.8rem);
}

.form-card > p {
  margin-bottom: 35px;
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field-full {
  grid-column: 1 / -1;
}

.form-field label {
  color: var(--ink-soft);
  font-size: 0.83rem;
  font-weight: 680;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 14px 15px;
  color: var(--ink);
  background: var(--surface-soft);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  outline: none;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.form-field input,
.form-field select {
  min-height: 52px;
}

.form-field textarea {
  min-height: 180px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  background: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(17,19,21,0.08);
}

.form-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 23px 0;
  color: var(--muted);
  font-size: 0.83rem;
}

.form-consent input {
  margin-top: 5px;
}

.form-consent a {
  text-underline-offset: 3px;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.form-status {
  min-height: 24px;
  margin-top: 16px;
  font-size: 0.9rem;
}

.form-status.is-success { color: var(--success); }
.form-status.is-error { color: var(--danger); font-weight: 650; }

.legal-page {
  padding: clamp(72px, 10vw, 130px) 0;
}

.legal-header {
  padding-bottom: 42px;
  border-bottom: 1px solid var(--line);
}

.legal-header h1 {
  margin-bottom: 18px;
  font-size: clamp(2.8rem, 6.5vw, 5.2rem);
}

.legal-header p {
  color: var(--muted);
}

.legal-content {
  padding-top: 52px;
}

.legal-content h2 {
  margin-top: 50px;
  margin-bottom: 16px;
  font-size: 1.65rem;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  margin-top: 32px;
  margin-bottom: 12px;
  font-size: 1.18rem;
}

.legal-content p,
.legal-content li {
  color: var(--ink-soft);
}

.legal-content li + li {
  margin-top: 8px;
}

.legal-content a {
  color: var(--accent-dark);
}

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

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  position: relative;
  padding: 25px 48px 25px 0;
  font-size: 1.08rem;
  font-weight: 650;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 4px;
  content: "+";
  font-size: 1.35rem;
  transform: translateY(-50%);
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
  max-width: 850px;
  padding: 0 0 28px;
  color: var(--muted);
}

.not-found {
  display: grid;
  place-items: center;
  min-height: calc(100vh - var(--header-height));
  padding: 70px 20px;
  text-align: center;
}

.not-found-inner {
  max-width: 740px;
}

.not-found-code {
  display: block;
  margin-bottom: 25px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.16em;
}

.not-found h1 {
  margin-bottom: 24px;
}

.not-found p {
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 1.1rem;
}

.site-footer {
  padding: 74px 0 26px;
  color: var(--line);
  background: var(--ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(180px, 0.55fr));
  gap: 70px;
  padding-bottom: 58px;
}

.brand-footer {
  margin-bottom: 22px;
}

.brand-logo-footer {
  filter: invert(1) brightness(1.8);
}

.brand-footer .brand-division {
  color: var(--dark-muted);
  border-color: var(--dark-faint);
}

.footer-brand-block p {
  max-width: 440px;
  color: var(--dark-dim);
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 10px;
}

.footer-column h2 {
  margin-bottom: 9px;
  color: var(--surface);
  font-size: 0.78rem;
  font-weight: 720;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.footer-column a {
  color: var(--dark-muted);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition);
}

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

.footer-socials {
  display: flex;
  gap: 18px;
  margin-top: 10px;
}

.footer-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  padding-top: 24px;
  color: var(--dark-dim);
  border-top: 1px solid var(--ink-soft);
  font-size: 0.75rem;
}

.footer-bottom p {
  max-width: 730px;
  margin-bottom: 0;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}

.footer-legal a,
.link-button {
  color: var(--dark-muted);
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
  text-decoration: none;
  cursor: pointer;
}

.footer-legal a:hover,
.link-button:hover {
  color: var(--surface);
}

.cookie-banner {
  position: fixed;
  right: 20px;
  bottom: 20px;
  left: 20px;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  width: min(calc(100% - 40px), 760px);
  margin-left: auto;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 22px 70px rgba(17,19,21, 0.20);
}

.cookie-banner h2 {
  margin-bottom: 5px;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.cookie-banner p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.cookie-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}

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

.reveal.reveal-pending {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms ease, transform 560ms ease;
}

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

@media (max-width: 1030px) {
  .regulatory-grid {
    grid-template-columns: 1fr;
  }

  .regulatory-card {
    min-height: 0;
  }

  .primary-nav {
    gap: 18px;
  }

  .nav-link {
    font-size: 0.87rem;
  }

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

  .hero-grid {
    gap: 64px;
  }

  .hero-copy {
    max-width: 850px;
  }

  .system-visual {
    width: min(100%, 690px);
  }

  .page-hero .lead {
    max-width: 760px;
  }

  .split-feature {
    grid-template-columns: 1fr;
  }

  .feature-panel {
    min-height: 480px;
  }

  .founder-profile {
    grid-template-columns: 1fr;
  }

  .founder-monogram {
    min-height: 300px;
  }

  .founder-copy {
    min-height: auto;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-copy {
    position: static;
    max-width: 760px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 72px;
  }

  .shell,
  .narrow-shell {
    width: min(calc(100% - 30px), var(--shell));
  }

  .menu-toggle {
    display: inline-flex;
    z-index: 2;
  }

  .primary-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: grid;
    align-content: start;
    gap: 0;
    height: calc(100vh - var(--header-height));
    height: calc(100dvh - var(--header-height));
    max-height: calc(100vh - var(--header-height));
    max-height: calc(100dvh - var(--header-height));
    padding: 34px 20px 50px;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: rgba(244, 243, 239, 0.995);
    border-top: 1px solid rgba(17,19,21, 0.08);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity var(--transition), transform var(--transition);
  }

  .primary-nav.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-link {
    padding: 18px 4px;
    border-bottom: 1px solid var(--line);
    font-size: 1.15rem;
  }

  .nav-link::after {
    display: none;
  }

  .nav-cta {
    justify-self: start;
    margin-top: 26px;
  }

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

  .credibility-item:nth-child(2) {
    border-right: 0;
  }

  .credibility-item:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .credibility-item:first-child,
  .credibility-item:nth-child(3) {
    padding-left: 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .section-heading p {
    max-width: 720px;
  }

  .card-grid,
  .deliverables-grid {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: 280px;
  }

  .process-grid {
    grid-template-columns: 1fr;
    border-bottom: 0;
  }

  .process-step,
  .process-step:first-child,
  .process-step:last-child {
    padding: 34px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .process-step span {
    margin-bottom: 25px;
  }

  .content-intro {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .service-list,
  .principles-grid {
    grid-template-columns: 1fr;
  }

  .about-facts {
    grid-template-columns: 1fr;
  }

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

  .footer-brand-block {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  h1 {
    font-size: clamp(2.65rem, 14vw, 4rem);
  }

  h2 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .brand-logo {
    width: 96px;
  }

  .brand-division {
    padding-left: 10px;
    font-size: 0.76rem;
    letter-spacing: 0.075em;
  }

  .hero {
    min-height: auto;
    padding-top: 58px;
  }

  .hero-copy .lead {
    font-size: 1.08rem;
  }

  .hero-actions {
    display: grid;
  }

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

  .hero-note {
    display: grid;
  }

  .system-visual {
    min-height: 560px;
    padding: 22px 18px 20px;
    border-radius: 8px;
  }

  .architecture-map {
    min-height: 485px;
  }

  .architecture-stage-rail {
    width: 42px;
  }

  .architecture-plot {
    left: 46px;
  }

  .architecture-layer {
    width: 38px;
    font-size: 0.43rem;
    letter-spacing: 0.09em;
  }

  .architecture-node {
    min-height: 30px;
    padding: 7px 7px;
    font-size: 0.50rem;
  }

  .node-quality,
  .node-regulatory,
  .node-product {
    width: 30%;
    max-width: 84px;
    padding-inline: 4px;
    white-space: normal;
    line-height: 1.15;
    text-align: center;
  }

  .node-quality { left: 17%; }
  .node-regulatory { left: 50%; }
  .node-product { left: 83%; }
  .node-frame, .node-evidence, .node-output { left: 50%; }
  .node-design,
  .node-architecture {
    width: 44%;
    max-width: 118px;
    padding-inline: 4px;
    white-space: normal;
    line-height: 1.15;
    text-align: center;
  }
  .node-design { left: 25%; }
  .node-architecture { left: 75%; }

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

  .credibility-item,
  .credibility-item:first-child,
  .credibility-item:nth-child(3) {
    padding: 19px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .credibility-item:last-child {
    border-bottom: 0;
  }

  .feature-copy,
  .feature-panel {
    padding: 32px 25px;
    border-radius: 20px;
  }

  .feature-panel {
    min-height: 440px;
  }

  .feature-list {
    margin-top: 52px;
  }

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

  .cta-panel {
    grid-template-columns: 1fr;
    align-items: start;
    padding: 38px 25px;
    border-radius: 20px;
  }

  .page-hero {
    padding-top: 72px;
  }

  .page-hero h1 {
    font-size: clamp(2.65rem, 13vw, 4rem);
  }

  .service-item {
    min-height: auto;
    padding: 27px;
  }

  .service-item .service-index {
    margin-bottom: 38px;
  }

  .founder-monogram,
  .founder-copy {
    border-radius: 20px;
  }

  .founder-copy {
    padding: 34px 24px;
  }

  .founder-meta > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .form-card {
    padding: 28px 20px;
    border-radius: 20px;
  }

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

  .form-field-full {
    grid-column: auto;
  }

  .form-actions {
    display: grid;
  }

  .form-actions .button {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .footer-brand-block {
    grid-column: auto;
  }

  .footer-bottom {
    display: grid;
    align-items: start;
  }

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

  .cookie-banner {
    display: grid;
    gap: 18px;
  }

  .cookie-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .cookie-actions .button {
    width: 100%;
  }
}

@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;
    scroll-behavior: auto !important;
  }

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

/* v2.2: make the service-business identity explicit inside the existing diagram. */
.system-core .system-brand-division {
  display: block;
  margin: 0 0 7px;
  font-size: 0.57rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}


/* Regulatory framework cards */
.regulatory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.regulatory-card {
  min-height: 330px;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.regulatory-kicker {
  display: block;
  margin-bottom: 34px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.regulatory-card h3 {
  margin-bottom: 14px;
}

.regulatory-card p {
  color: var(--muted);
  font-size: 0.93rem;
}

.regulatory-card strong {
  color: var(--ink);
}

.regulatory-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.regulatory-note {
  margin-top: 18px;
  padding: 24px 28px;
  background: var(--paper-deep);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
}

.regulatory-note p {
  margin: 0;
  color: var(--muted);
}

.regulatory-note strong {
  color: var(--ink);
}

@media (max-width: 1030px) {
  .regulatory-grid {
    grid-template-columns: 1fr;
  }

  .regulatory-card {
    min-height: 0;
  }
}

@media (max-width: 620px) {
  .regulatory-card {
    padding: 27px;
  }

  .regulatory-links {
    display: grid;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .architecture-line { stroke-dashoffset: 0; transition: none; }
  .architecture-junction { opacity: 1; transition: none; }
}

/* v2.8 — Jiro controlled-development thread */
.hero-intro {
  min-height: min(82vh, 860px);
}

.hero-grid-intro {
  grid-template-columns: minmax(0, 1fr);
  max-width: 1120px;
}

.control-story {
  position: relative;
  height: 500vh;
  height: 500svh;
  color: var(--surface);
  background: var(--black);
}

.control-pin {
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  height: calc(100svh - var(--header-height));
  min-height: 620px;
  overflow: hidden;
  background:
    radial-gradient(circle at 77% 42%, rgba(255,255,255,0.045), transparent 30%),
    linear-gradient(180deg, var(--black) 0%, var(--ink) 52%, var(--black) 100%);
}

.control-pin::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255,255,255,0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.026) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(90deg, transparent 0%, black 28%, black 100%);
}

.control-pin::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(90deg, rgba(5,6,6,0.22), transparent 17%, transparent 88%, rgba(5,6,6,0.15));
}

.control-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(290px, 0.34fr) minmax(0, 0.66fr);
  align-items: center;
  gap: clamp(34px, 5vw, 82px);
  height: 100%;
  padding-block: clamp(24px, 4.5vh, 54px);
}

.control-copy {
  max-width: 510px;
}

.control-kicker,
.control-stage-meta,
.control-readout,
.control-field-meta,
.control-field-footer,
.control-matrix-head,
.control-row-stage,
.control-cell small,
.control-cell em,
.control-thread {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  text-transform: uppercase;
}

.control-kicker {
  display: inline-block;
  color: var(--dark-muted);
  font-size: 0.67rem;
  font-weight: 650;
  letter-spacing: 0.19em;
}

.control-stage-meta {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: end;
  gap: 9px;
  margin: clamp(28px, 5vh, 52px) 0 22px;
}

.control-stage-meta > span:first-child {
  color: var(--surface);
  font-size: clamp(4.7rem, 8vw, 8rem);
  font-weight: 780;
  line-height: 0.76;
  letter-spacing: -0.075em;
}

.control-stage-meta > span:nth-child(2) {
  align-self: center;
  color: var(--dark-faint);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
}

.control-stage-meta b {
  align-self: end;
  justify-self: end;
  padding-bottom: 5px;
  color: var(--dark-dim);
  font-size: 0.62rem;
  font-weight: 550;
  letter-spacing: 0.15em;
}

.control-copy h2 {
  max-width: 13ch;
  margin: 0;
  color: var(--surface);
  font-size: clamp(2rem, 3.4vw, 3.8rem);
  line-height: 0.98;
  letter-spacing: -0.049em;
}

.control-copy > p {
  max-width: 38rem;
  margin-top: 23px;
  color: var(--dark-muted);
  font-size: clamp(0.92rem, 1.25vw, 1.05rem);
  line-height: 1.65;
}

.control-readout {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 16px;
  width: min(100%, 420px);
  margin-top: 32px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
}

.control-readout span {
  color: var(--dark-dim);
}

.control-readout strong {
  color: var(--paper);
  font-weight: 560;
  letter-spacing: 0.04em;
  text-align: right;
}

.control-progress {
  position: relative;
  width: min(100%, 420px);
  height: 2px;
  margin-top: 14px;
  overflow: hidden;
  background: rgba(255,255,255,0.10);
}

.control-progress span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: var(--surface);
  box-shadow: 0 0 16px rgba(255,255,255,0.32);
}

.control-field {
  position: relative;
  min-width: 0;
  padding: 20px 0 16px;
}

.control-field-meta,
.control-field-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--dark-dim);
  font-size: 0.59rem;
  letter-spacing: 0.12em;
}

.control-field-meta {
  padding: 0 2px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.control-field-meta span:last-child {
  color: var(--line-strong);
}

.control-field-footer {
  padding: 14px 2px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.control-field-footer span:last-child {
  color: var(--dark-muted);
}

.control-matrix {
  position: relative;
  overflow: hidden;
  border-inline: 1px solid rgba(255,255,255,0.075);
  background: rgba(255,255,255,0.012);
}

.control-matrix::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0.2;
  background: repeating-linear-gradient(135deg, transparent 0 8px, rgba(255,255,255,0.02) 8px 9px);
}

.control-matrix-head,
.control-row {
  display: grid;
  grid-template-columns: minmax(94px, 0.72fr) repeat(3, minmax(0, 1fr));
}

.control-matrix-head {
  position: relative;
  z-index: 2;
  min-height: 36px;
  align-items: center;
  color: var(--dark-faint);
  border-bottom: 1px solid rgba(255,255,255,0.09);
  font-size: 0.52rem;
  letter-spacing: 0.12em;
}

.control-matrix-head span,
.control-row-stage,
.control-cell {
  min-width: 0;
  padding-inline: clamp(10px, 1.35vw, 18px);
}

.control-matrix-head span + span,
.control-cell {
  border-left: 1px solid rgba(255,255,255,0.065);
}

.control-row {
  position: relative;
  z-index: 1;
  min-height: clamp(62px, 7.4vh, 78px);
  align-items: stretch;
  color: var(--surface);
  border-bottom: 1px solid rgba(255,255,255,0.075);
  opacity: 1;
  transition: background 300ms ease, border-color 300ms ease;
}

.control-row:last-child {
  border-bottom: 0;
}

.control-row::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  content: "";
  background: var(--surface);
  opacity: 0;
  transform: scaleY(0.35);
  transform-origin: center;
  transition: opacity 260ms ease, transform 350ms cubic-bezier(.16,1,.3,1);
}

.control-row::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.075), transparent 42%);
}

.control-row.is-complete {
  background: rgba(255,255,255,0.012);
}

.control-row.is-current {
  opacity: 1;
  background: rgba(255,255,255,0.035);
}

.control-row.is-current::before,
.control-row.is-current::after {
  opacity: 1;
}

.control-row.is-current::before {
  transform: scaleY(1);
}

.control-row-stage {
  display: grid;
  align-content: center;
  gap: 5px;
}

.control-row-stage span {
  color: var(--dark-dim);
  font-size: 0.54rem;
  letter-spacing: 0.08em;
}

.control-row-stage b {
  color: var(--line-strong);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.control-row.is-current .control-row-stage span,
.control-row.is-current .control-row-stage b {
  color: var(--surface);
}

.control-cell {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  gap: 3px;
}

.control-cell small {
  display: none;
  color: var(--dark-dim);
  font-size: 0.48rem;
  letter-spacing: 0.11em;
}

.control-cell strong {
  overflow: hidden;
  color: var(--line);
  font-size: clamp(0.71rem, 0.87vw, 0.86rem);
  font-weight: 570;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.control-cell em {
  overflow: hidden;
  color: var(--dark-dim);
  font-size: clamp(0.48rem, 0.59vw, 0.59rem);
  font-style: normal;
  letter-spacing: 0.025em;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.control-row.is-current .control-cell strong {
  color: var(--surface);
}

.control-row.is-current .control-cell em {
  color: var(--dark-muted);
}

.control-thread {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto 1fr auto 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 14px 2px;
  color: var(--dark-faint);
  font-size: 0.49rem;
  letter-spacing: 0.08em;
}

.control-thread span {
  position: relative;
  transition: color 260ms ease;
}

.control-thread span::before {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 6px;
  content: "";
  vertical-align: 1px;
  background: var(--black);
  border: 1px solid var(--dark-faint);
  border-radius: 50%;
  transition: background 260ms ease, border-color 260ms ease, box-shadow 260ms ease;
}

.control-thread i {
  height: 1px;
  background: rgba(255,255,255,0.09);
  overflow: hidden;
}

.control-thread i::after {
  display: block;
  width: 100%;
  height: 100%;
  content: "";
  background: var(--surface);
  transform: translateX(-101%);
  transition: transform 420ms cubic-bezier(.16,1,.3,1);
}

.control-thread span.is-complete,
.control-thread span.is-current {
  color: var(--paper);
}

.control-thread span.is-complete::before,
.control-thread span.is-current::before {
  border-color: var(--surface);
}

.control-thread span.is-complete::before {
  background: var(--surface);
}

.control-thread span.is-current::before {
  box-shadow: 0 0 0 4px rgba(255,255,255,0.08), 0 0 12px rgba(255,255,255,0.22);
}

.control-thread i.is-complete::after {
  transform: translateX(0);
}

@media (max-width: 1100px) {
  .control-layout {
    grid-template-columns: minmax(260px, 0.33fr) minmax(0, 0.67fr);
    gap: 26px;
  }

  .control-stage-meta > span:first-child {
    font-size: clamp(4.3rem, 7.8vw, 6.6rem);
  }

  .control-copy h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.9rem);
  }

  .control-matrix-head,
  .control-row {
    grid-template-columns: minmax(86px, 0.7fr) repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .hero-intro {
    min-height: auto;
  }

  .control-story {
    height: 450vh;
    height: 450svh;
  }

  .control-pin {
    min-height: 0;
  }

  .control-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
    align-content: center;
    gap: 14px;
    padding-block: 15px 16px;
  }

  .control-copy {
    max-width: none;
  }

  .control-kicker {
    font-size: 0.56rem;
    letter-spacing: 0.15em;
  }

  .control-stage-meta {
    grid-template-columns: auto auto 1fr;
    gap: 7px;
    margin: 12px 0 9px;
  }

  .control-stage-meta > span:first-child {
    font-size: clamp(3rem, 13vw, 4.2rem);
  }

  .control-stage-meta > span:nth-child(2) {
    font-size: 0.7rem;
  }

  .control-stage-meta b {
    padding-bottom: 2px;
    font-size: 0.5rem;
  }

  .control-copy h2 {
    max-width: 18ch;
    font-size: clamp(1.4rem, 5.9vw, 2.05rem);
    line-height: 1;
  }

  .control-copy > p {
    max-width: 52ch;
    margin-top: 8px;
    font-size: 0.74rem;
    line-height: 1.4;
  }

  .control-readout {
    grid-template-columns: auto 1fr;
    margin-top: 10px;
    padding-top: 8px;
    font-size: 0.48rem;
  }

  .control-progress {
    width: 100%;
    margin-top: 8px;
  }

  .control-field {
    align-self: start;
    padding: 6px 0 5px;
  }

  .control-field-meta,
  .control-field-footer {
    font-size: 0.46rem;
    letter-spacing: 0.08em;
  }

  .control-field-meta {
    padding-bottom: 7px;
  }

  .control-field-footer {
    padding-top: 7px;
  }

  .control-matrix-head {
    display: none;
  }

  .control-matrix {
    min-height: 278px;
    border: 1px solid rgba(255,255,255,0.10);
  }

  .control-row {
    display: none;
    min-height: 278px;
    grid-template-columns: 1fr;
    grid-template-rows: auto repeat(3, 1fr);
    border-bottom: 0;
    opacity: 1;
  }

  .control-row.is-current {
    display: grid;
  }

  .control-row-stage {
    grid-template-columns: auto 1fr;
    align-content: center;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.09);
  }

  .control-row-stage span {
    font-size: 0.55rem;
  }

  .control-row-stage b {
    font-size: 0.66rem;
  }

  .control-cell {
    grid-template-columns: 74px minmax(0, 1fr);
    grid-template-rows: auto auto;
    align-content: center;
    column-gap: 12px;
    padding: 10px 12px;
    border-left: 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
  }

  .control-cell:last-child {
    border-bottom: 0;
  }

  .control-cell small {
    display: block;
    grid-row: 1 / span 2;
    align-self: center;
  }

  .control-cell strong {
    font-size: 0.77rem;
  }

  .control-cell em {
    font-size: 0.49rem;
  }

  .control-thread {
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
    padding: 9px 0;
  }

  .control-thread i {
    display: none;
  }

  .control-thread span {
    overflow: hidden;
    font-size: 0;
    text-align: center;
  }

  .control-thread span::before {
    width: 6px;
    height: 6px;
    margin: 0;
  }
}

@media (max-width: 420px) {
  .control-story {
    height: 420vh;
    height: 420svh;
  }

  .control-layout {
    padding-block: 10px 12px;
  }

  .control-copy > p {
    font-size: 0.7rem;
  }

  .control-matrix,
  .control-row {
    min-height: 252px;
  }

  .control-cell {
    grid-template-columns: 66px minmax(0, 1fr);
    padding-block: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .control-row,
  .control-row::before,
  .control-thread span,
  .control-thread span::before,
  .control-thread i::after,
  .control-progress span {
    transition: none !important;
  }
}


/* Production accessibility and interaction hardening. */
.menu-toggle,
.button,
button[type="submit"],
.cookie-actions button {
  min-width: 44px;
  min-height: 44px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.footer-column a,
.footer-socials a,
.footer-legal a,
.footer-legal .link-button {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
}

input,
select {
  min-height: 48px;
}

textarea {
  min-height: 144px;
}

.form-consent input[type="checkbox"] {
  min-width: 24px;
  min-height: 24px;
}

.control-row:not(.is-current) .control-cell strong {
  color: var(--dark-dim);
}

.control-row:not(.is-current) .control-cell em {
  color: var(--dark-faint);
}

.control-row:not(.is-current) .control-row-stage span {
  color: var(--dark-faint);
}

.control-row:not(.is-current) .control-row-stage b {
  color: var(--dark-dim);
}

@supports not (backdrop-filter: blur(1px)) {
  .site-header {
    background: rgba(244, 243, 239, 0.98);
  }
}