:root {
  /* Keep normative identity values synchronized with /DESIGN.md. */
  --color-canvas: #f4f1e9;
  --color-surface: #fffdf8;
  --color-ink: #111513;
  --color-muted: #5d625d;
  --color-line: #c9cdc5;
  --color-line-strong: #7e837c;
  --color-inverse: #111a1b;
  --color-inverse-ink: #f4f1e9;
  --color-accent: #007378;
  --color-accent-bright: #08c7c9;
  --color-focus: #006bce;
  --font-sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --font-xs: clamp(0.72rem, 0.7rem + 0.12vw, 0.8rem);
  --font-sm: clamp(0.88rem, 0.84rem + 0.16vw, 0.98rem);
  --font-md: clamp(1rem, 0.95rem + 0.22vw, 1.125rem);
  --font-lg: clamp(1.25rem, 1.12rem + 0.55vw, 1.6rem);
  --font-xl: clamp(1.75rem, 1.45rem + 1.2vw, 2.5rem);
  --font-2xl: clamp(2.5rem, 1.9rem + 2.5vw, 4.25rem);
  --font-hero: clamp(3.25rem, 2.05rem + 5vw, 7rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;
  --space-section: clamp(5rem, 8vw, 9rem);
  --content-max: 84rem;
  --reading-max: 46rem;
  --gutter: clamp(1rem, 3vw, 2.5rem);
  --radius-sm: 0.25rem;
  --duration-fast: 120ms;
  --duration-base: 220ms;
  --ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--font-md);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

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

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 2px;
}

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

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 4px;
}

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

h1,
h2,
h3 {
  letter-spacing: -0.035em;
}

.shell {
  width: min(100% - (2 * var(--gutter)), var(--content-max));
  margin-inline: auto;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--space-3);
  left: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-ink);
  color: var(--color-inverse-ink);
  transform: translateY(-200%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-canvas);
}

.header-inner {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.05rem;
  font-weight: 680;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.wordmark-mark {
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border: 2px solid currentColor;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.8rem);
  font-size: var(--font-sm);
}

.primary-nav > a:not(.button) {
  text-decoration: none;
}

.primary-nav > a:not(.button):hover {
  text-decoration: underline;
}

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
}

.button {
  min-height: 2.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 0.8rem 1.05rem;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: var(--color-inverse-ink);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  font-weight: 650;
  letter-spacing: 0.025em;
  text-decoration: none;
  transition: background var(--duration-fast), color var(--duration-fast), transform var(--duration-fast);
}

.button:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.button-small {
  min-height: 2.5rem;
  padding: 0.6rem 0.85rem;
}

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

.text-link,
.proof-link,
.case-link {
  font-weight: 650;
}

.eyebrow,
.case-meta,
.trust-meta,
.annotation-top,
.route-note,
.evidence-gate,
figcaption {
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  letter-spacing: 0.075em;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: var(--space-5);
  color: var(--color-accent);
  font-weight: 700;
}

.hero {
  min-height: min(50rem, calc(100vh - 4.5rem));
  display: grid;
  align-items: center;
  padding-block: clamp(5rem, 10vw, 9rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-6);
  align-items: end;
}

.hero-copy {
  grid-column: 1 / span 9;
}

.hero h1 {
  max-width: 10ch;
  margin-bottom: var(--space-6);
  font-size: var(--font-hero);
  line-height: 0.94;
  letter-spacing: -0.065em;
}

.hero h1 em {
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-weight: 400;
}

.hero-lead {
  max-width: 49rem;
  font-size: var(--font-lg);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-7);
}

.hero-annotation {
  grid-column: 10 / -1;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line-strong);
}

.annotation-top {
  display: flex;
  justify-content: space-between;
  color: var(--color-muted);
}

.signal-state {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.signal-state i {
  width: 0.45rem;
  height: 0.45rem;
  display: inline-block;
  border-radius: 50%;
  background: var(--color-accent);
}

.workflow-diagram {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-2);
  align-items: center;
  margin-block: var(--space-7) var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
}

.workflow-diagram i {
  height: 1px;
  background: var(--color-accent);
}

.workflow-diagram span:nth-of-type(n + 4),
.workflow-diagram i:nth-of-type(n + 3) {
  display: none;
}

.hero-annotation p {
  max-width: 18rem;
  margin-bottom: 0;
  font-size: var(--font-sm);
}

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

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

.proof-item {
  min-height: 12rem;
  padding: var(--space-6);
  border-left: 1px solid var(--color-line);
}

.proof-item:last-child {
  border-right: 1px solid var(--color-line);
}

.proof-value {
  margin-bottom: var(--space-6);
  font-size: var(--font-xl);
  font-weight: 650;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.proof-item h3 {
  margin-bottom: var(--space-2);
  font-size: var(--font-sm);
  letter-spacing: -0.015em;
}

.proof-note {
  margin-bottom: var(--space-2);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
}

.proof-link,
.evidence-gate {
  font-size: var(--font-xs);
}

.evidence-gate {
  color: #7d5313;
}

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

.section-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-6);
}

.section-intro {
  grid-column: 1 / span 5;
}

.section-intro h2,
.section-heading-row h2,
.principal-section h2,
.government-section h2,
.final-cta h2 {
  font-size: var(--font-2xl);
  line-height: 1.02;
}

.section-intro p:not(.eyebrow) {
  max-width: 34rem;
  color: var(--color-muted);
}

.indexed-list {
  grid-column: 7 / -1;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-line-strong);
}

.indexed-list li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--space-4);
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-line);
}

.indexed-list .index {
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  color: var(--color-accent);
}

.indexed-list h3 {
  margin-bottom: var(--space-3);
  font-size: var(--font-lg);
  line-height: 1.15;
}

.indexed-list p {
  max-width: 37rem;
  margin-bottom: 0;
  color: var(--color-muted);
}

.thesis-section {
  background: var(--color-surface);
  border-block: 1px solid var(--color-line);
}

.section-thesis {
  max-width: 17ch;
  margin-bottom: var(--space-9);
  font-size: var(--font-2xl);
  line-height: 1.02;
}

.statement-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--color-line-strong);
}

.statement-list article {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-5);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-line);
}

.statement-list article:nth-child(odd) {
  padding-right: var(--space-6);
  border-right: 1px solid var(--color-line);
}

.statement-list article:nth-child(even) {
  padding-left: var(--space-6);
}

.statement-list h3 {
  font-size: var(--font-lg);
  line-height: 1.12;
}

.statement-list p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: var(--font-sm);
}

.section-heading-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-8);
  align-items: end;
  margin-bottom: var(--space-8);
}

.section-heading-row h2 {
  max-width: 14ch;
  margin-bottom: 0;
}

.section-aside {
  max-width: 33rem;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: var(--font-sm);
}

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

.case-study {
  display: grid;
  grid-template-columns: 2fr 5fr 3fr;
  gap: var(--space-6);
  padding-block: var(--space-7);
  border-bottom: 1px solid var(--color-line);
  transition: background var(--duration-fast) var(--ease-standard);
}

@media (hover: hover) {
  .case-study:hover {
    background: color-mix(in srgb, var(--color-surface) 72%, transparent);
  }
}

.case-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  color: var(--color-muted);
}

.case-body h3 {
  margin-bottom: var(--space-4);
  font-size: var(--font-xl);
}

.case-body p,
.case-footer p {
  color: var(--color-muted);
}

.case-footer {
  align-self: end;
}

.case-footer p {
  font-family: var(--font-mono);
  font-size: var(--font-xs);
}

.evidence-note {
  max-width: var(--reading-max);
  margin: var(--space-6) 0 0 auto;
  padding-left: var(--space-5);
  border-left: 2px solid var(--color-accent);
  color: var(--color-muted);
  font-size: var(--font-sm);
}

.delivery-section {
  background-image:
    linear-gradient(var(--color-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line) 1px, transparent 1px);
  background-size: 4rem 4rem;
}

.delivery-section .section-intro {
  background: var(--color-canvas);
  padding-right: var(--space-6);
}

.delivery-visual {
  grid-column: 7 / -1;
  background: var(--color-canvas);
  border-top: 1px solid var(--color-line-strong);
}

.delivery-visual > div {
  display: grid;
  grid-template-columns: 2.5rem 1fr 1.4fr;
  gap: var(--space-4);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-line);
}

.delivery-visual span,
.delivery-visual p {
  font-family: var(--font-mono);
  font-size: var(--font-xs);
}

.delivery-visual span {
  color: var(--color-accent);
}

.delivery-visual h3,
.delivery-visual p {
  margin-bottom: 0;
}

.delivery-visual h3 {
  font-size: var(--font-md);
}

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

.trust-section {
  background: var(--color-inverse);
  color: var(--color-inverse-ink);
}

.trust-section .eyebrow {
  color: var(--color-accent-bright);
}

.trust-section .section-aside,
.trust-item p {
  color: rgba(244, 241, 233, 0.7);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(244, 241, 233, 0.35);
}

.trust-item {
  min-height: 21rem;
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  border-right: 1px solid rgba(244, 241, 233, 0.2);
}

.trust-item:first-child {
  border-left: 1px solid rgba(244, 241, 233, 0.2);
}

.trust-meta {
  display: flex;
  justify-content: space-between;
  color: var(--color-accent-bright);
}

.trust-item h3 {
  margin-top: auto;
  margin-bottom: var(--space-4);
  font-size: var(--font-xl);
}

.route-note {
  color: rgba(244, 241, 233, 0.52);
}

.principal-grid {
  display: grid;
  grid-template-columns: 4fr 7fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.principal-grid figure {
  margin-bottom: 0;
}

.principal-grid img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 38%;
  filter: saturate(0.75) contrast(1.04);
}

.principal-grid figcaption {
  margin-top: var(--space-3);
  color: var(--color-muted);
}

.principal-lead {
  font-size: var(--font-lg);
}

.principal-section p:not(.eyebrow) {
  max-width: var(--reading-max);
}

.external-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  padding-top: var(--space-5);
}

.government-section {
  background: var(--color-accent);
  color: #fff;
}

.government-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-8);
}

.government-section .eyebrow {
  color: #fff;
}

.government-section p {
  max-width: 38rem;
}

.final-cta h2 {
  max-width: 18ch;
  margin-bottom: var(--space-8);
}

.cta-row {
  display: grid;
  grid-template-columns: auto minmax(16rem, 28rem);
  gap: var(--space-7);
  align-items: center;
}

.cta-row p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: var(--font-sm);
}

.site-footer {
  padding-top: var(--space-8);
  background: var(--color-inverse);
  color: var(--color-inverse-ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr 1.2fr;
  gap: var(--space-7);
  padding-bottom: var(--space-8);
}

.wordmark-footer {
  margin-bottom: var(--space-5);
}

.footer-grid p,
.footer-grid a {
  font-size: var(--font-sm);
}

.footer-grid .eyebrow {
  color: var(--color-accent-bright);
}

.footer-links {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-note {
  margin-top: var(--space-4);
  color: rgba(244, 241, 233, 0.55);
}

.footer-base {
  display: flex;
  justify-content: space-between;
  gap: var(--space-5);
  padding-block: var(--space-5);
  border-top: 1px solid rgba(244, 241, 233, 0.2);
  color: rgba(244, 241, 233, 0.55);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
}

.compact-hero {
  min-height: 65vh;
}

.noscript {
  margin: 0;
  padding: var(--space-3);
  background: #fff2bf;
  color: #392d00;
  text-align: center;
  font-size: var(--font-sm);
}

@media (max-width: 62rem) {
  .hero-copy {
    grid-column: 1 / span 8;
  }

  .hero-annotation {
    grid-column: 9 / -1;
  }

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

  .proof-item:nth-child(2) {
    border-right: 1px solid var(--color-line);
  }

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

  .section-intro {
    grid-column: 1 / span 5;
  }

  .indexed-list,
  .delivery-visual {
    grid-column: 6 / -1;
  }

  .statement-list article {
    grid-template-columns: 1fr;
  }

  .case-study {
    grid-template-columns: 1.4fr 3fr;
  }

  .case-footer {
    grid-column: 2;
  }

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

@media (max-width: 48rem) {
  .js .nav-toggle {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
  }

  .nav-toggle-glyph,
  .nav-toggle-glyph::before {
    width: 1.25rem;
    height: 1px;
    display: block;
    background: currentColor;
    content: "";
    transition: transform var(--duration-base) var(--ease-standard);
  }

  .nav-toggle-glyph::before {
    transform: translateY(0.35rem);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-glyph {
    transform: rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-glyph::before {
    transform: rotate(-90deg);
  }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    padding: var(--gutter);
    border-bottom: 1px solid var(--color-line);
    background: var(--color-canvas);
  }

  .js .primary-nav:not([data-open="true"]) {
    display: none;
  }

  .primary-nav > a:not(.button) {
    min-height: 3.1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--color-line);
  }

  .primary-nav .button {
    margin-top: var(--space-5);
  }

  .hero {
    min-height: auto;
  }

  .hero-grid,
  .section-grid,
  .section-heading-row,
  .principal-grid,
  .government-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .hero-annotation,
  .section-intro,
  .indexed-list,
  .delivery-visual {
    grid-column: auto;
  }

  .hero-annotation {
    margin-top: var(--space-7);
  }

  .workflow-diagram {
    grid-template-columns: auto 1fr auto 1fr auto 1fr auto;
  }

  .workflow-diagram span:nth-of-type(n),
  .workflow-diagram i:nth-of-type(n) {
    display: initial;
  }

  .section-heading-row {
    gap: var(--space-5);
  }

  .statement-list,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .statement-list article,
  .statement-list article:nth-child(odd),
  .statement-list article:nth-child(even) {
    padding: var(--space-6) 0;
    border-right: 0;
  }

  .case-study {
    grid-template-columns: 1fr;
  }

  .case-footer {
    grid-column: auto;
  }

  .trust-item,
  .trust-item:first-child {
    min-height: 16rem;
    border-left: 1px solid rgba(244, 241, 233, 0.2);
    border-bottom: 1px solid rgba(244, 241, 233, 0.2);
  }

  .principal-grid {
    gap: var(--space-7);
  }

  .principal-grid figure {
    max-width: 28rem;
  }

  .cta-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 34rem) {
  .hero-actions,
  .external-row {
    align-items: stretch;
    flex-direction: column;
  }

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

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

  .proof-item,
  .proof-item:nth-child(2),
  .proof-item:last-child {
    border-right: 1px solid var(--color-line);
    border-bottom: 1px solid var(--color-line);
  }

  .delivery-visual > div {
    grid-template-columns: 2rem 1fr;
  }

  .delivery-visual p {
    grid-column: 2;
  }

  .footer-base {
    flex-direction: column;
  }
}

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

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

@media print {
  .site-header,
  .site-footer,
  .hero-actions {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }
}