:root {
  color-scheme: light;
  --paper: oklch(96.8% 0.009 88);
  --paper-deep: oklch(92.8% 0.013 88);
  --paper-raised: oklch(98.2% 0.006 88);
  --ink: oklch(23% 0.018 190);
  --ink-soft: oklch(34% 0.019 190);
  --muted: oklch(48% 0.018 190);
  --rule: oklch(81% 0.014 190);
  --rule-strong: oklch(66% 0.02 190);
  --teal: oklch(34% 0.058 183);
  --teal-dark: oklch(28% 0.05 183);
  --teal-soft: oklch(89% 0.022 183);
  --signal: oklch(79% 0.13 88);
  --error: oklch(43% 0.14 28);
  --error-soft: oklch(93% 0.025 28);
  --success: oklch(38% 0.09 153);
  --success-soft: oklch(92% 0.025 153);
  --font-display: Cambria, "Times New Roman", serif;
  --font-body: Aptos, "Segoe UI", Tahoma, sans-serif;
  --text-display: clamp(3.15rem, 5.4vw, 5rem);
  --text-page: clamp(2.7rem, 6.5vw, 6rem);
  --text-heading: clamp(2.15rem, 4.5vw, 4.25rem);
  --text-subheading: clamp(1.45rem, 2.2vw, 2rem);
  --text-body: 1.0625rem;
  --text-small: 0.875rem;
  --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: clamp(4rem, 8vw, 7.5rem);
  --space-4xl: clamp(6rem, 12vw, 11rem);
  --page-gutter: clamp(1.25rem, 4vw, 4.5rem);
  --content-max: 90rem;
  --measure: 68ch;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --header-height: 5.25rem;
  --z-nav: 200;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-state: cubic-bezier(0.65, 0, 0.35, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  margin: 0;
  min-width: 20rem;
  background-color: var(--paper);
  background-image:
    url("assets/paper-grain.svg"),
    repeating-linear-gradient(7deg, transparent 0 4px, oklch(23% 0.018 190 / 0.024) 4px 5px, transparent 5px 11px),
    radial-gradient(circle at 20% 30%, oklch(23% 0.018 190 / 0.047) 0 0.55px, transparent 0.8px),
    radial-gradient(circle at 72% 64%, oklch(34% 0.058 183 / 0.034) 0 0.5px, transparent 0.75px);
  background-size: 180px 180px, 100% 11px, 5px 7px, 9px 11px;
  background-blend-mode: multiply, normal, normal, normal;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.62;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

a {
  color: inherit;
}

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.02;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

::selection {
  background: var(--teal);
  color: var(--paper-raised);
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 0.1875rem solid var(--teal);
  outline-offset: 0.1875rem;
}

.skip-link {
  position: fixed;
  z-index: calc(var(--z-nav) + 1);
  top: var(--space-md);
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--ink);
  color: var(--paper-raised);
  transform: translateY(-150%);
  transition: transform 180ms var(--ease-out);
}

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

.site-shell {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.desktop-rail {
  display: none;
}

.site-header {
  position: sticky;
  z-index: var(--z-nav);
  top: 0;
  height: var(--header-height);
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-lg);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  gap: var(--space-sm);
  text-decoration: none;
}

.brand-glyph {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  background: var(--ink);
  color: var(--paper-raised);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-text {
  display: grid;
  line-height: 1.05;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.brand-text span {
  color: var(--muted);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.desktop-nav {
  display: none;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--ink-soft);
  font-size: 0.94rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: 0.35rem;
  left: 0;
  height: 1px;
  background: var(--teal);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-out);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-link[aria-current="page"] {
  color: var(--ink);
}

.menu-button {
  display: inline-grid;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  place-items: center;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.menu-icon {
  position: relative;
  width: 1.2rem;
  height: 0.875rem;
}

.menu-icon::before,
.menu-icon::after,
.menu-icon span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  content: "";
  transition: transform 220ms var(--ease-out), top 220ms var(--ease-out), opacity 120ms linear;
}

.menu-icon::before {
  top: 0;
}

.menu-icon span {
  top: 0.42rem;
}

.menu-icon::after {
  top: 0.84rem;
}

.menu-button[aria-expanded="true"] .menu-icon::before {
  top: 0.42rem;
  transform: rotate(45deg);
}

.menu-button[aria-expanded="true"] .menu-icon span {
  opacity: 0;
}

.menu-button[aria-expanded="true"] .menu-icon::after {
  top: 0.42rem;
  transform: rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  z-index: calc(var(--z-nav) - 1);
  inset: var(--header-height) 0 0;
  display: grid;
  align-content: start;
  padding: var(--space-xl) var(--page-gutter) max(var(--space-xl), env(safe-area-inset-bottom));
  background: var(--paper);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-0.75rem);
  transition: opacity 220ms var(--ease-out), transform 300ms var(--ease-out);
}

.mobile-nav[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-nav .nav-list {
  align-items: stretch;
  flex-direction: column;
  gap: 0;
}

.mobile-nav .nav-link {
  min-height: 4.25rem;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 400;
}

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

.mobile-nav .button {
  margin-top: var(--space-xl);
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--teal);
  color: var(--paper-raised);
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 150ms var(--ease-out), color 150ms var(--ease-out), border-color 150ms var(--ease-out), transform 100ms var(--ease-out);
}

.button::after {
  width: 1rem;
  height: 1rem;
  background: currentColor;
  clip-path: polygon(0 47%, 72% 47%, 47% 22%, 55% 14%, 100% 50%, 55% 86%, 47% 78%, 72% 53%, 0 53%);
  content: "";
}

.button:hover {
  background: var(--teal-dark);
}

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

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

.button-secondary:hover {
  border-color: var(--ink);
  background: var(--paper-deep);
}

.button-quiet {
  min-height: 2.75rem;
  padding-inline: 0;
  border-color: transparent;
  background: transparent;
  color: var(--teal-dark);
}

.button-quiet:hover {
  background: transparent;
  color: var(--ink);
}

.button-small {
  min-height: 2.75rem;
  padding: 0.6rem 0.95rem;
  font-size: 0.875rem;
}

.button[disabled],
.button[aria-disabled="true"] {
  opacity: 0.52;
  cursor: not-allowed;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.115em;
  line-height: 1.25;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 0.45rem;
  height: 0.45rem;
  background: var(--signal);
  content: "";
}

.hero {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: calc(100svh - var(--header-height));
  overflow: clip;
  border-bottom: 1px solid var(--rule);
  background:
    radial-gradient(circle at 78% 12%, oklch(98.2% 0.006 88 / 0.56), transparent 28rem),
    linear-gradient(112deg, oklch(92.8% 0.013 88 / 0.18), transparent 38%);
}

.hero::before,
.hero::after {
  position: absolute;
  pointer-events: none;
  content: "";
}

.hero::before {
  top: clamp(8rem, 14vw, 11rem);
  right: clamp(1.25rem, 4vw, 3.5rem);
  width: clamp(3.5rem, 6vw, 5.5rem);
  aspect-ratio: 1;
  background:
    linear-gradient(var(--rule-strong), var(--rule-strong)) 50% 0 / 1px 100% no-repeat,
    linear-gradient(var(--rule-strong), var(--rule-strong)) 0 50% / 100% 1px no-repeat,
    radial-gradient(circle at center, transparent 0 30%, var(--rule-strong) 31% 32%, transparent 33%);
  opacity: 0.38;
}

.hero::after {
  right: var(--page-gutter);
  bottom: clamp(1rem, 2.5vw, 2rem);
  left: var(--page-gutter);
  height: 0.7rem;
  background:
    linear-gradient(var(--rule-strong), var(--rule-strong)) 0 50% / 100% 1px no-repeat,
    repeating-linear-gradient(90deg, var(--rule-strong) 0 1px, transparent 1px 2rem) 0 50% / 100% 0.65rem no-repeat;
  opacity: 0.5;
}

.hero-docket {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: var(--space-xl);
  padding-top: clamp(1.25rem, 3.2vw, 2.75rem);
  padding-bottom: clamp(1rem, 2vw, 1.6rem);
}

.hero-docket::after {
  position: absolute;
  right: var(--page-gutter);
  bottom: 0;
  left: var(--page-gutter);
  height: 0.65rem;
  background:
    linear-gradient(var(--rule-strong), var(--rule-strong)) 0 0 / 100% 1px no-repeat,
    repeating-linear-gradient(90deg, var(--rule-strong) 0 1px, transparent 1px 2rem) 0 0 / 100% 0.45rem no-repeat;
  content: "";
  opacity: 0.58;
}

.hero-edition {
  display: grid;
  color: var(--teal-dark);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  line-height: 1.35;
  text-transform: uppercase;
}

.hero-edition strong {
  color: var(--muted);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.hero-revision {
  position: relative;
  display: grid;
  min-width: 8.2rem;
  gap: 0.2rem;
  margin: 0;
  padding: 0.25rem 0 0 1.15rem;
  color: var(--muted);
  font-size: 0.66rem;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-transform: uppercase;
}

.hero-revision::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 0.7rem;
  height: 0.7rem;
  border-top: 1px solid var(--rule-strong);
  border-left: 1px solid var(--rule-strong);
  content: "";
}

.hero-revision div {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.35rem;
}

.hero-revision dt,
.hero-revision dd {
  margin: 0;
}

.hero-revision dt::after {
  content: ":";
}

.hero-revision dd {
  color: var(--ink-soft);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: inherit;
  align-items: center;
  gap: var(--space-3xl);
  padding-block: var(--space-3xl);
}

.hero-docket + .hero-grid {
  min-height: 0;
}

.hero-copy {
  display: grid;
  max-width: 47rem;
  gap: var(--space-lg);
}

.hero-classification {
  position: relative;
  width: max-content;
  max-width: 100%;
  padding: 0.55rem 0.9rem;
  color: var(--teal-dark);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.115em;
  line-height: 1.25;
  text-transform: uppercase;
}

.hero-classification::before,
.hero-classification::after {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 0.6rem;
  background:
    linear-gradient(var(--rule-strong), var(--rule-strong)) 0 0 / 100% 1px no-repeat,
    linear-gradient(var(--rule-strong), var(--rule-strong)) 0 100% / 100% 1px no-repeat;
  content: "";
}

.hero-classification::before {
  left: 0;
  border-left: 1px solid var(--rule-strong);
}

.hero-classification::after {
  right: 0;
  border-right: 1px solid var(--rule-strong);
}

.hero h1 {
  max-width: 15ch;
  font-size: var(--text-display);
}

.page-hero h1 {
  max-width: 13ch;
  font-size: var(--text-page);
}

.hero-lede {
  max-width: 64ch;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 1.7vw, 1.34rem);
  line-height: 1.55;
}

.action-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding-top: var(--space-xs);
}

.action-note {
  max-width: 58ch;
  color: var(--muted);
  font-size: var(--text-small);
}

.device-visual {
  position: relative;
  width: min(100%, 39rem);
  aspect-ratio: 1 / 1;
  justify-self: center;
  overflow: hidden;
  border: 1px solid var(--rule-strong);
  background: var(--paper-deep);
}

.device-visual::before,
.device-visual::after {
  position: absolute;
  z-index: 1;
  pointer-events: none;
  content: "";
}

.device-visual::before {
  inset: 0.75rem;
  border: 1px solid oklch(96.8% 0.009 88 / 0.48);
  background:
    repeating-linear-gradient(90deg, oklch(96.8% 0.009 88 / 0.72) 0 1px, transparent 1px 1.4rem) 0 0 / 100% 0.35rem no-repeat,
    repeating-linear-gradient(0deg, oklch(96.8% 0.009 88 / 0.72) 0 1px, transparent 1px 1.4rem) 0 0 / 0.35rem 100% no-repeat;
}

.device-visual::after {
  top: 1.45rem;
  left: 1.45rem;
  width: 3.4rem;
  aspect-ratio: 1;
  background:
    linear-gradient(oklch(96.8% 0.009 88 / 0.78), oklch(96.8% 0.009 88 / 0.78)) 50% 0 / 1px 100% no-repeat,
    linear-gradient(oklch(96.8% 0.009 88 / 0.78), oklch(96.8% 0.009 88 / 0.78)) 0 50% / 100% 1px no-repeat,
    radial-gradient(circle at center, transparent 0 30%, oklch(79% 0.13 88 / 0.9) 31% 33%, transparent 34%);
}

.device-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 61% center;
  filter: saturate(0.86) contrast(1.02);
}

.instrument {
  position: relative;
  width: min(100%, 37rem);
  aspect-ratio: 1 / 1;
  justify-self: center;
  border: 1px solid var(--rule-strong);
  background:
    repeating-linear-gradient(90deg, var(--rule-strong) 0 1px, transparent 1px 1.5rem) 0 0 / 100% 0.38rem no-repeat,
    repeating-linear-gradient(0deg, var(--rule-strong) 0 1px, transparent 1px 1.5rem) 0 0 / 0.38rem 100% no-repeat,
    var(--paper-deep);
}

.instrument::before,
.instrument::after {
  position: absolute;
  background: var(--rule-strong);
  content: "";
}

.instrument::before {
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
}

.instrument::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}

.instrument-svg {
  position: absolute;
  inset: 8%;
  width: 84%;
  height: 84%;
  color: var(--teal);
}

.instrument-svg .rule {
  fill: none;
  stroke: var(--rule-strong);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.instrument-svg .strong {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.instrument-svg .signal {
  fill: var(--signal);
  stroke: var(--ink);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.instrument-label {
  position: absolute;
  display: grid;
  gap: 0.1rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}

.instrument-label strong {
  color: var(--ink);
  font-size: 0.8rem;
}

.instrument-label-a {
  top: 5%;
  left: 5%;
}

.instrument-label-b {
  right: 5%;
  bottom: 5%;
  text-align: right;
}

.instrument-status {
  position: absolute;
  right: 5%;
  top: 5%;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.instrument-status::before {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--signal);
  content: "";
}

.evidence-rail {
  border-bottom: 1px solid var(--rule);
}

.evidence-list {
  display: grid;
}

.evidence-list li {
  display: flex;
  min-height: 5rem;
  align-items: center;
  gap: var(--space-sm);
  padding-block: var(--space-md);
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 650;
}

.evidence-list li:last-child {
  border-bottom: 0;
}

.evidence-list li::before {
  width: 0.35rem;
  height: 0.35rem;
  flex: 0 0 auto;
  background: var(--teal);
  content: "";
}

.section {
  padding-block: var(--space-4xl);
}

.section-compact {
  padding-block: var(--space-3xl);
}

.section-tinted {
  background-color: var(--paper-deep);
  background-image:
    url("assets/paper-grain.svg"),
    repeating-linear-gradient(7deg, transparent 0 5px, oklch(23% 0.018 190 / 0.022) 5px 6px, transparent 6px 13px),
    radial-gradient(circle at 16% 38%, oklch(34% 0.058 183 / 0.035) 0 0.55px, transparent 0.8px);
  background-size: 150px 150px, 100% 13px, 8px 10px;
  background-blend-mode: multiply, normal, normal;
}

.section-ink {
  background-color: var(--ink);
  background-image:
    url("assets/paper-grain.svg"),
    radial-gradient(circle at 30% 40%, oklch(96.8% 0.009 88 / 0.045) 0 0.5px, transparent 0.8px);
  background-size: 160px 160px, 8px 10px;
  background-blend-mode: soft-light, normal;
  color: var(--paper);
}

.section-header {
  display: grid;
  max-width: 67rem;
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.section-header h2,
.split-copy h2,
.cta-panel h2 {
  max-width: 16ch;
  font-size: var(--text-heading);
}

.section-header p,
.split-copy > p,
.cta-panel > p {
  max-width: var(--measure);
  color: var(--ink-soft);
}

.section-ink .section-header p,
.section-ink .split-copy > p,
.section-ink .cta-panel > p {
  color: var(--paper-deep);
}

.role-map {
  display: grid;
  border-top: 1px solid var(--rule-strong);
}

.role-row {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-xl);
  border-bottom: 1px solid var(--rule);
}

.role-index,
.service-index {
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.role-row h3,
.service-row h3,
.approach-step h3,
.path-item h3 {
  font-size: var(--text-subheading);
  letter-spacing: -0.025em;
  line-height: 1.12;
}

.role-row p,
.service-row p,
.approach-step p,
.path-item p {
  max-width: 58ch;
  color: var(--ink-soft);
}

.service-list {
  display: grid;
  border-top: 1px solid var(--rule-strong);
}

.service-row {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-2xl);
  border-bottom: 1px solid var(--rule);
}

.service-row-copy {
  display: grid;
  max-width: 64ch;
  gap: var(--space-md);
}

.service-outcome {
  padding-top: var(--space-md);
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.service-outcome strong {
  color: var(--ink);
}

.service-list-compact .service-row {
  padding-block: var(--space-xl);
}

.split-section {
  display: grid;
  gap: var(--space-3xl);
  align-items: start;
}

.split-copy {
  display: grid;
  gap: var(--space-lg);
}

.proof-block {
  display: grid;
  gap: var(--space-xl);
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--rule-strong);
  background: var(--paper-raised);
}

.proof-block strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.proof-block span {
  display: block;
  max-width: 32ch;
  margin-top: var(--space-xs);
  color: var(--muted);
  font-size: 0.9rem;
}

.proof-block li {
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--rule);
}

.proof-block li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.approach-grid {
  display: grid;
  border-top: 1px solid var(--rule-strong);
}

.approach-step {
  display: grid;
  gap: var(--space-lg);
  padding-block: var(--space-2xl);
  border-bottom: 1px solid var(--rule);
}

.approach-number {
  display: inline-grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid var(--teal);
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.founder-note {
  display: grid;
  gap: var(--space-2xl);
  align-items: end;
}

.founder-note blockquote {
  max-width: 31ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 4.6rem);
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.founder-attribution {
  display: grid;
  gap: var(--space-2xs);
  color: var(--paper-deep);
  font-size: 0.9rem;
}

.founder-attribution strong {
  color: var(--paper-raised);
}

.cta-section {
  padding-block: var(--space-3xl);
  border-top: 1px solid var(--rule-strong);
}

.cta-panel {
  display: grid;
  gap: var(--space-xl);
}

.cta-panel .action-group {
  padding-top: 0;
}

.page-hero {
  min-height: min(47rem, calc(100svh - var(--header-height)));
}

.page-hero .hero-grid {
  align-items: center;
}

.page-hero .hero-copy {
  align-self: center;
}

.page-visual {
  align-self: center;
  display: grid;
  width: min(100%, 34rem);
  min-height: clamp(25rem, 54vh, 34rem);
  align-content: center;
  gap: var(--space-lg);
  justify-self: center;
  padding: var(--space-xl);
  border: 1px solid var(--rule-strong);
  background:
    repeating-linear-gradient(90deg, var(--rule-strong) 0 1px, transparent 1px 1.4rem) 0 0 / 100% 0.38rem no-repeat,
    repeating-linear-gradient(0deg, var(--rule-strong) 0 1px, transparent 1px 1.4rem) 0 0 / 0.38rem 100% no-repeat,
    url("assets/paper-grain.svg"),
    linear-gradient(145deg, oklch(98.2% 0.006 88 / 0.82), oklch(92.8% 0.013 88 / 0.96));
  background-size: 100% 0.38rem, 0.38rem 100%, 140px 140px, auto;
  background-blend-mode: normal, normal, multiply, normal;
  box-shadow: 0.7rem 0.7rem 0 oklch(34% 0.058 183 / 0.08);
}

.visual-register {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--rule-strong);
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.visual-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--teal-dark);
}

.visual-status::before {
  width: 0.42rem;
  height: 0.42rem;
  background: var(--signal);
  content: "";
}

.system-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
}

.system-map::before {
  position: absolute;
  top: var(--space-lg);
  bottom: var(--space-lg);
  left: 50%;
  width: 1px;
  background: var(--teal-soft);
  content: "";
}

.system-node {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 5.25rem;
  align-content: center;
  gap: 0.15rem;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  border: 1px solid var(--rule-strong);
  background-color: var(--paper-raised);
  background-image: url("assets/paper-grain.svg");
  background-size: 120px 120px;
  background-blend-mode: multiply;
}

.system-node strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
}

.system-node span {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.system-node-primary {
  grid-column: 1 / -1;
  border-color: var(--teal);
  background:
    linear-gradient(90deg, oklch(89% 0.022 183 / 0.72), transparent 72%),
    url("assets/paper-grain.svg"),
    var(--paper-raised);
  background-size: auto, 120px 120px, auto;
  background-blend-mode: normal, multiply, normal;
}

.system-node-primary::after {
  position: absolute;
  right: var(--space-sm);
  top: var(--space-sm);
  width: 0.45rem;
  height: 0.45rem;
  background: var(--signal);
  content: "";
}

.system-node[data-code]::before {
  position: absolute;
  top: 0.45rem;
  left: var(--space-md);
  color: var(--teal-dark);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  content: attr(data-code);
}

.visual-readout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--rule-strong);
}

.visual-readout > span {
  display: grid;
  gap: 0.1rem;
  padding: var(--space-sm) var(--space-xs) 0;
  border-right: 1px solid var(--rule);
}

.visual-readout > span:first-child {
  padding-left: 0;
}

.visual-readout > span:last-child {
  padding-right: 0;
  border-right: 0;
}

.visual-readout small {
  color: var(--muted);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.visual-readout strong {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
}

.ledger-visual {
  display: grid;
  gap: var(--space-sm);
}

.ledger-axis {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ledger-row {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr) 3.4rem;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--rule);
  background: oklch(98.2% 0.006 88 / 0.72);
}

.ledger-row span {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
}

.ledger-row > strong {
  color: var(--teal-dark);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-align: right;
  text-transform: uppercase;
}

.ledger-line {
  position: relative;
  height: 1.75rem;
  border: 1px solid var(--rule-strong);
  background: var(--paper-raised);
}

.ledger-line::before {
  display: block;
  width: var(--level, 70%);
  height: 100%;
  background: var(--teal-soft);
  border-right: 1px solid var(--teal);
  content: "";
}

.ledger-line::after {
  position: absolute;
  top: -0.22rem;
  left: calc(var(--target, 75%) - 0.16rem);
  width: 0.32rem;
  height: 2.1rem;
  background: var(--signal);
  content: "";
}

.platform-line {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.platform-line li,
.cert-list li {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--rule-strong);
  background: var(--paper-raised);
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.cert-list {
  display: grid;
  gap: var(--space-sm);
}

.cert-list li {
  position: relative;
  padding: var(--space-md) var(--space-md) var(--space-md) 2.75rem;
}

.cert-list li::before {
  position: absolute;
  top: 1.15rem;
  left: 1rem;
  width: 0.6rem;
  height: 0.6rem;
  border: 1px solid var(--teal);
  background: var(--signal);
  content: "";
}

.timeline {
  display: grid;
  border-top: 1px solid var(--rule-strong);
}

.timeline-item {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-2xl);
  border-bottom: 1px solid var(--rule);
}

.timeline-label {
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.timeline-item h3 {
  font-size: var(--text-subheading);
}

.timeline-item p {
  max-width: 67ch;
  color: var(--ink-soft);
}

.monogram-plate {
  position: relative;
  display: grid;
  width: min(100%, 32rem);
  aspect-ratio: 4 / 5;
  justify-self: center;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--rule-strong);
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, oklch(96.8% 0.009 88 / 0.11) 0 1px, transparent 1px 2.5rem),
    repeating-linear-gradient(0deg, oklch(96.8% 0.009 88 / 0.08) 0 1px, transparent 1px 2.5rem),
    url("assets/paper-grain.svg");
  background-size: auto, auto, 140px 140px;
  background-blend-mode: normal, normal, soft-light;
  color: var(--paper);
}

.monogram-plate::before {
  position: absolute;
  content: "";
}

.monogram-plate::before {
  inset: 8%;
  border: 1px solid var(--muted);
}

.calibration-scale {
  position: absolute;
  top: 18%;
  right: 8%;
  left: 8%;
  z-index: 1;
  display: flex;
  height: 0.5rem;
  justify-content: space-between;
}

.calibration-scale::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: oklch(96.8% 0.009 88 / 0.4);
  content: "";
}

.calibration-scale i {
  width: 1px;
  height: 0.45rem;
  flex: 0 0 1px;
  background: oklch(96.8% 0.009 88 / 0.62);
}

.calibration-register {
  position: absolute;
  top: 11%;
  right: 10%;
  left: 10%;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  color: var(--paper-deep);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.calibration-core {
  position: absolute;
  top: 27%;
  right: 10%;
  left: 10%;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: var(--space-xs);
}

.calibration-core strong {
  font-family: var(--font-display);
  font-size: clamp(5rem, 11vw, 8.5rem);
  font-weight: 400;
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.calibration-core span {
  color: var(--paper-deep);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.calibration-track {
  position: absolute;
  top: 59%;
  right: 12%;
  left: 12%;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.calibration-track::before {
  position: absolute;
  top: 1.15rem;
  right: 16.5%;
  left: 16.5%;
  height: 1px;
  background: oklch(96.8% 0.009 88 / 0.55);
  content: "";
}

.calibration-point {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: var(--space-sm);
  color: var(--paper-deep);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-align: center;
  text-transform: uppercase;
}

.calibration-point i {
  position: relative;
  display: block;
  width: 2.35rem;
  aspect-ratio: 1;
  border: 1px solid oklch(96.8% 0.009 88 / 0.72);
  border-radius: 50%;
  background:
    linear-gradient(oklch(96.8% 0.009 88 / 0.72), oklch(96.8% 0.009 88 / 0.72)) 50% 0 / 1px 100% no-repeat,
    linear-gradient(90deg, oklch(96.8% 0.009 88 / 0.72), oklch(96.8% 0.009 88 / 0.72)) 0 50% / 100% 1px no-repeat,
    var(--ink);
}

.calibration-point i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.35rem;
  aspect-ratio: 1;
  background: var(--paper-deep);
  content: "";
  transform: translate(-50%, -50%);
}

.calibration-point-active {
  color: var(--signal);
}

.calibration-point-active i {
  border-color: var(--signal);
}

.calibration-point-active i::after {
  background: var(--signal);
}

.monogram-meta {
  position: absolute;
  right: 10%;
  bottom: 10%;
  left: 10%;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  color: var(--paper-deep);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.education-list {
  display: grid;
  gap: var(--space-lg);
}

.education-item {
  display: grid;
  gap: var(--space-xs);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--rule);
}

.education-item strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
}

.education-item span {
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-paths {
  display: grid;
  border-top: 1px solid var(--rule-strong);
}

.path-item {
  display: grid;
  align-content: start;
  gap: var(--space-lg);
  padding-block: var(--space-2xl);
  border-bottom: 1px solid var(--rule);
}

.path-number {
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.booking-panel,
.inquiry-panel {
  display: grid;
  gap: var(--space-xl);
  padding: clamp(1.35rem, 4vw, 3rem);
  border: 1px solid var(--rule-strong);
  background: var(--paper-raised);
}

.panel-heading {
  display: grid;
  gap: var(--space-sm);
}

.panel-heading h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.panel-heading p {
  max-width: 58ch;
  color: var(--ink-soft);
}

.meeting-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.meeting-spec {
  display: grid;
  align-content: start;
  gap: 0.25rem;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--rule);
}

.meeting-spec:last-child {
  border-bottom: 0;
}

.meeting-spec span {
  color: var(--muted);
  font-size: 0.67rem;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.meeting-spec strong {
  color: var(--teal-dark);
  font-size: 1rem;
}

.meeting-spec p {
  max-width: 28ch;
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.5;
}

.inquiry-panel-wix {
  overflow: hidden;
  gap: 0;
  padding: 0;
}

.wix-form-heading {
  padding: clamp(1.35rem, 4vw, 3rem);
  border-bottom: 1px solid var(--rule);
}

.inline-link {
  display: inline-flex;
  width: fit-content;
  min-height: 2.75rem;
  align-items: center;
  color: var(--teal-dark);
  font-size: 0.86rem;
  font-weight: 750;
  text-underline-offset: 0.22em;
}

.wix-form-frame {
  display: block;
  width: 100%;
  height: 100rem;
  border: 0;
  background: var(--paper-raised);
}

@media (max-width: 47.99rem) {
  .wix-form-frame {
    height: 116rem;
  }
}

.choice-group {
  display: grid;
  gap: var(--space-sm);
  border: 0;
  padding: 0;
  margin: 0;
}

.choice-group legend {
  margin-bottom: var(--space-sm);
  font-size: 0.83rem;
  font-weight: 750;
}

.choice-row {
  display: grid;
  gap: var(--space-sm);
}

.choice-button {
  position: relative;
  display: grid;
  min-height: 4.25rem;
  align-content: center;
  gap: 0.12rem;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms var(--ease-out), background-color 150ms var(--ease-out);
}

.choice-button strong {
  font-size: 0.95rem;
}

.choice-button span {
  color: var(--muted);
  font-size: 0.8rem;
}

.choice-button[aria-pressed="true"] {
  border-color: var(--teal);
  background: var(--teal-soft);
}

.choice-button[aria-pressed="true"]::after {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 0.5rem;
  height: 0.5rem;
  background: var(--signal);
  content: "";
}

.status-message {
  display: none;
  padding: var(--space-md);
  border: 1px solid var(--rule-strong);
  background: var(--paper-deep);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.status-message[data-visible="true"] {
  display: block;
}

.status-message[data-tone="success"] {
  border-color: var(--success);
  background: var(--success-soft);
  color: var(--success);
}

.status-message[data-tone="error"] {
  border-color: var(--error);
  background: var(--error-soft);
  color: var(--error);
}

.form-grid {
  display: grid;
  gap: var(--space-lg);
}

.field {
  display: grid;
  gap: 0.42rem;
}

.field label,
.field-label {
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 750;
}

.field-help,
.privacy-note {
  color: var(--muted);
  font-size: 0.8rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--ink);
  transition: border-color 140ms var(--ease-out), background-color 140ms var(--ease-out);
}

.field textarea {
  min-height: 9rem;
  resize: vertical;
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--ink-soft);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--teal);
  background: var(--paper-raised);
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: var(--error);
  background: var(--error-soft);
}

.field-error {
  display: none;
  color: var(--error);
  font-size: 0.8rem;
  font-weight: 650;
}

.field-error[data-visible="true"] {
  display: block;
}

.radio-set {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.radio-option {
  position: relative;
}

.radio-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.radio-option label {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: var(--paper);
  cursor: pointer;
}

.radio-option input:checked + label {
  border-color: var(--teal);
  background: var(--teal-soft);
}

.radio-option input:focus-visible + label {
  outline: 0.1875rem solid var(--teal);
  outline-offset: 0.1875rem;
}

.form-success {
  display: none;
  min-height: 22rem;
  align-content: center;
  gap: var(--space-lg);
  padding: var(--space-xl);
  border: 1px solid var(--success);
  background: var(--success-soft);
}

.form-success[data-visible="true"] {
  display: grid;
}

.form-success h3 {
  max-width: 16ch;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.form-success p {
  max-width: 50ch;
  color: var(--ink-soft);
}

.prototype-tools {
  margin-top: var(--space-xl);
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.8rem;
}

.prototype-tools summary {
  min-height: 2.75rem;
  padding-block: var(--space-sm);
  cursor: pointer;
  font-weight: 700;
}

.prototype-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding-bottom: var(--space-md);
}

.prototype-control {
  min-height: 2.75rem;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--rule-strong);
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
}

.site-footer {
  padding-block: var(--space-3xl) max(var(--space-xl), env(safe-area-inset-bottom));
  background: var(--ink);
  color: var(--paper);
}

.footer-grid {
  display: grid;
  gap: var(--space-2xl);
}

.footer-brand {
  display: grid;
  max-width: 32rem;
  gap: var(--space-md);
}

.footer-brand strong {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.75rem);
  font-weight: 400;
  letter-spacing: -0.04em;
}

.footer-brand p,
.footer-meta,
.footer-email {
  color: var(--paper-deep);
  font-size: 0.9rem;
}

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

.footer-links a,
.footer-email {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  text-underline-offset: 0.25em;
}

.footer-bottom {
  display: grid;
  gap: var(--space-md);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
  transition-delay: calc(var(--i, 0) * 55ms);
}

@keyframes calibrate {
  from {
    opacity: 0;
    transform: rotate(-7deg) scale(0.98);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

.instrument-svg {
  animation: calibrate 780ms var(--ease-out) both;
}

@media (min-width: 40rem) {
  .evidence-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .evidence-list li:nth-child(odd) {
    padding-right: var(--space-lg);
    border-right: 1px solid var(--rule);
  }

  .evidence-list li:nth-child(even) {
    padding-left: var(--space-lg);
  }

  .evidence-list li:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .role-row {
    grid-template-columns: 3rem minmax(12rem, 0.8fr) minmax(0, 1.4fr);
    align-items: start;
  }

  .service-row {
    grid-template-columns: 3rem minmax(12rem, 0.85fr) minmax(0, 1.4fr);
  }

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

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

  .path-item {
    padding-inline: var(--space-lg);
    border-right: 1px solid var(--rule);
    border-bottom: 0;
  }

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

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

  .timeline-item {
    grid-template-columns: minmax(9rem, 0.45fr) minmax(0, 1.55fr);
  }
}

@media (min-width: 48rem) {
  .approach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .approach-step {
    padding: var(--space-2xl);
    border-right: 1px solid var(--rule);
  }

  .approach-step:nth-child(even) {
    border-right: 0;
  }

  .footer-grid {
    grid-template-columns: minmax(18rem, 1fr) minmax(18rem, 0.8fr);
    align-items: end;
  }

  .footer-bottom {
    grid-column: 1 / -1;
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 64rem) {
  .desktop-nav {
    display: block;
  }

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

  .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(23rem, 0.88fr);
  }

  .page-hero .hero-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(22rem, 0.82fr);
  }

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

  .evidence-list li {
    min-height: 6.5rem;
    padding: var(--space-md) var(--space-xl);
    border-right: 1px solid var(--rule);
    border-bottom: 0;
  }

  .evidence-list li:first-child {
    padding-left: 0;
  }

  .evidence-list li:last-child {
    padding-right: 0;
    border-right: 0;
  }

  .split-section {
    grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.75fr);
    gap: clamp(4rem, 8vw, 9rem);
  }

  .split-section-reverse {
    grid-template-columns: minmax(20rem, 0.75fr) minmax(0, 1.05fr);
  }

  .split-section-reverse > :first-child {
    order: 2;
  }

  .split-section-reverse > :last-child {
    order: 1;
  }

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

  .approach-step,
  .approach-step:nth-child(even) {
    padding: var(--space-2xl);
    border-right: 1px solid var(--rule);
    border-bottom: 0;
  }

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

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

  .founder-note {
    grid-template-columns: minmax(0, 1.5fr) minmax(16rem, 0.5fr);
  }

  .cta-panel {
    grid-template-columns: minmax(0, 1.3fr) minmax(20rem, 0.7fr);
    align-items: end;
  }

  .cta-panel .action-group {
    justify-content: flex-end;
  }

  .booking-contact-grid {
    display: grid;
    grid-template-columns: minmax(20rem, 0.85fr) minmax(26rem, 1.15fr);
    gap: var(--space-xl);
    align-items: start;
  }
}

@media (min-width: 75rem) {
  html.left-nav-mode {
    --rail-width: clamp(12.75rem, 15vw, 14.25rem);
  }

  html.left-nav-mode .desktop-rail {
    position: fixed;
    z-index: var(--z-nav);
    inset: 0 auto 0 0;
    display: flex;
    width: var(--rail-width);
    padding: clamp(1.4rem, 3vh, 2.25rem) 1.35rem;
    overflow-y: auto;
    flex-direction: column;
    justify-content: space-between;
    gap: var(--space-xl);
    background-color: var(--teal-dark);
    background-image:
      url("assets/paper-grain.svg"),
      repeating-linear-gradient(4deg, transparent 0 6px, oklch(89% 0.022 183 / 0.025) 6px 7px, transparent 7px 13px);
    background-size: 180px 180px, 100% 13px;
    background-blend-mode: soft-light, normal;
    color: var(--paper-raised);
    scrollbar-width: thin;
    scrollbar-color: var(--teal-soft) var(--teal-dark);
  }

  html.left-nav-mode .site-header {
    display: none;
  }

  html.left-nav-mode main,
  html.left-nav-mode .site-footer {
    margin-left: var(--rail-width);
  }

  html.left-nav-mode .hero {
    min-height: 100svh;
  }

  html.left-nav-mode .skip-link {
    left: calc(var(--rail-width) + var(--space-md));
  }

  .rail-brand-block {
    display: grid;
    gap: var(--space-xl);
  }

  .rail-brand {
    display: grid;
    gap: var(--space-sm);
    color: var(--paper-raised);
    text-decoration: none;
  }

  .rail-brand > span:last-child {
    display: grid;
    gap: 0.1rem;
  }

  .rail-glyph {
    display: grid;
    width: 3rem;
    height: 3rem;
    place-items: center;
    background: var(--signal);
    color: var(--ink);
    font-size: 0.76rem;
    font-weight: 850;
    letter-spacing: 0.08em;
  }

  .rail-brand strong {
    font-family: var(--font-display);
    font-size: 1.16rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.1;
  }

  .rail-brand small {
    color: var(--teal-soft);
    font-size: 0.7rem;
    font-weight: 750;
    letter-spacing: 0.11em;
    text-transform: uppercase;
  }

  .rail-brand small b {
    color: var(--signal);
    font-size: 0.64rem;
    font-variant-numeric: tabular-nums;
    font-weight: 800;
  }

  .rail-positioning {
    color: var(--teal-soft);
    font-size: 0.82rem;
    line-height: 1.55;
  }

  .rail-nav {
    display: grid;
    border-bottom: 1px solid oklch(55% 0.045 183);
  }

  .rail-link {
    position: relative;
    display: flex;
    min-height: 3.55rem;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    border-top: 1px solid oklch(55% 0.045 183);
    color: var(--teal-soft);
    font-family: var(--font-display);
    font-size: 1.12rem;
    letter-spacing: -0.015em;
    text-decoration: none;
    transition: color 150ms var(--ease-out), transform 150ms var(--ease-out);
  }

  .rail-link small {
    color: oklch(77% 0.025 183);
    font-family: var(--font-body);
    font-size: 0.68rem;
    font-variant-numeric: tabular-nums;
    font-weight: 750;
    letter-spacing: 0.08em;
  }

  .rail-link::after {
    position: absolute;
    left: -1.35rem;
    width: 0.32rem;
    height: 1.45rem;
    background: var(--signal);
    content: "";
    opacity: 0;
    transform: scaleY(0.5);
    transition: opacity 150ms var(--ease-out), transform 150ms var(--ease-out);
  }

  .rail-link:hover,
  .rail-link[aria-current="page"] {
    color: var(--paper-raised);
    transform: translateX(0.18rem);
  }

  .rail-link[aria-current="page"]::after {
    opacity: 1;
    transform: scaleY(1);
  }

  .rail-footer {
    display: grid;
    gap: var(--space-sm);
  }

  .rail-footer > p {
    max-width: 24ch;
    color: var(--teal-soft);
    font-size: 0.8rem;
    line-height: 1.5;
  }

  .rail-cta {
    width: 100%;
    gap: 0.4rem;
    padding-inline: 0.6rem;
    background: var(--paper-raised);
    color: var(--teal-dark);
    font-size: 0.76rem;
    white-space: nowrap;
  }

  .rail-cta:hover {
    background: var(--signal);
    color: var(--ink);
  }

  .rail-email,
  .rail-return {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    color: var(--teal-soft);
    font-size: 0.75rem;
    text-underline-offset: 0.22em;
    text-decoration-thickness: 1px;
  }

  html.left-nav-mode .desktop-rail :focus-visible {
    outline-color: var(--signal);
  }

  .rail-return {
    border-top: 1px solid oklch(55% 0.045 183);
    color: var(--paper-raised);
  }
}

@media (min-width: 75rem) and (max-height: 52rem) {
  html.left-nav-mode .desktop-rail {
    padding-block: 1rem;
    gap: var(--space-sm);
  }

  .rail-brand-block {
    gap: var(--space-sm);
  }

  .rail-positioning,
  .rail-footer > p {
    font-size: 0.75rem;
    line-height: 1.4;
  }

  .rail-link {
    min-height: 3rem;
  }

  .rail-footer {
    gap: var(--space-2xs);
  }

  .rail-email,
  .rail-return {
    min-height: 2.1rem;
  }
}

@media (min-width: 86rem) {
  .service-row {
    grid-template-columns: 4rem minmax(16rem, 0.8fr) minmax(0, 1.3fr);
  }
}

@media (hover: hover) {
  .choice-button:hover {
    border-color: var(--teal);
  }

  .system-node {
    transition: transform 220ms var(--ease-out), border-color 220ms var(--ease-out);
  }

  .system-node:hover {
    border-color: var(--teal);
    transform: translateX(0.25rem);
  }
}

@media (pointer: coarse) {
  .button,
  .nav-link,
  .footer-links a,
  .footer-email {
    min-height: 3rem;
  }
}

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

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

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

@media print {
  .desktop-rail,
  .site-header,
  .site-footer,
  .action-group,
  .prototype-tools {
    display: none !important;
  }

  body {
    background: transparent;
    color: black;
  }

  html.left-nav-mode main,
  html.left-nav-mode .site-footer {
    margin-left: 0;
  }

  .hero,
  .page-hero {
    min-height: auto;
  }

  .section,
  .section-compact,
  .hero-grid {
    padding-block: 2rem;
  }
}