/* FEDRO website. Shared styles for the PHP templates.
 * Brand colors and typography are defined in tokens.css.
 */
@import url('../tokens.css');

@font-face {
  font-display: swap;
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  src: url('../fonts/inter-latin.woff2') format('woff2');
}

@font-face {
  font-display: swap;
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  src: url('../fonts/space-grotesk-latin.woff2') format('woff2');
}

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

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--space-md));
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-body);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

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

h1,
h2,
h3,
p,
ol,
ul,
dl,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-weight: 560;
  letter-spacing: -0.035em;
  line-height: 1.04;
  text-wrap: balance;
  min-width: 0;
  hyphens: none;
  overflow-wrap: break-word;
  word-break: normal;
}

.nowrap {
  white-space: nowrap;
}

h1 {
  font-size: var(--text-display);
  max-width: 12ch;
  overflow-wrap: break-word;
}

h2 {
  font-size: var(--text-2xl);
  max-width: 15ch;
}

h3 {
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

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

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

:focus-visible {
  border-radius: var(--radius-sm);
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
}

.section-dark :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--color-mint);
}

a:active {
  opacity: 0.8;
}

::selection {
  background: var(--color-mint);
  color: var(--color-ink);
}

.container {
  margin-inline: auto;
  max-width: var(--container);
  padding-inline: var(--page-gutter);
  width: 100%;
}

.sr-only {
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.skip-link {
  background: var(--color-mint);
  color: var(--color-ink);
  font-weight: 700;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  position: fixed;
  top: -5rem;
  z-index: calc(var(--z-header) + 10);
}

.skip-link:focus {
  top: var(--space-md);
}

.section {
  padding-block: var(--space-4xl);
  scroll-margin-top: calc(var(--header-height) + var(--space-md));
}

.section-ice {
  background: var(--color-ice);
}

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

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: var(--color-on-dark);
}

.eyebrow,
.card-label,
.footer-label,
.flow-kicker {
  color: var(--color-ink-soft);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
}

.card-label {
  overflow-wrap: normal;
  word-break: normal;
}

.eyebrow {
  align-items: center;
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.eyebrow::before {
  background: var(--color-mint-strong);
  content: '';
  height: 2px;
  width: 2rem;
}

.on-dark,
.section-dark .eyebrow,
.application-card-dark .card-label {
  color: var(--color-mint);
}

.section-lead {
  color: var(--color-muted);
  font-size: var(--text-md);
  line-height: 1.65;
  max-width: 62ch;
}

.section-dark .section-lead {
  color: var(--color-on-dark-muted);
}

.split-heading {
  align-items: center;
  display: grid;
  gap: var(--space-3xl);
  grid-template-columns: minmax(0, 0.95fr) minmax(22rem, 0.75fr);
  margin-bottom: var(--space-3xl);
}

.narrow-heading {
  margin-bottom: var(--space-3xl);
  max-width: 52rem;
}

.button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 650;
  gap: var(--space-xs);
  justify-content: center;
  min-height: var(--control-height);
  padding: var(--space-sm) var(--space-lg);
  text-decoration: none;
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}

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

.button-primary {
  background: var(--color-ink);
  color: var(--color-on-dark);
}

.button-primary:not(:disabled):hover {
  background: var(--color-ink-soft);
}

.button-mint {
  background: var(--color-mint);
  color: var(--color-accent-ink);
}

.button-mint:not(:disabled):hover {
  background: var(--color-mint-strong);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

.text-link {
  align-items: center;
  color: var(--color-ink);
  display: inline-flex;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 650;
  gap: var(--space-xs);
  text-decoration: none;
}

.text-link span {
  color: var(--color-mint-ink);
  transition: transform var(--dur-short) var(--ease-out);
}

.text-link:hover span {
  transform: translateX(0.25rem);
}

.text-link.on-dark {
  color: var(--color-on-dark);
}

.text-link.on-dark span {
  color: var(--color-mint);
}

.button,
.text-link,
.primary-nav a,
.footer-map a,
.footer-brand {
  white-space: nowrap;
}

/* Header */
.site-header {
  background: var(--color-header);
  border-bottom: 1px solid var(--color-rule);
  position: sticky;
  top: 0;
  transition: box-shadow var(--dur-short) var(--ease-out);
  z-index: var(--z-header);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-whisper);
}

.nav-shell {
  align-items: center;
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: auto 1fr auto;
  min-height: var(--header-height);
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: var(--space-sm);
  justify-self: start;
  text-decoration: none;
}

.brand img {
  height: 2.9rem;
  object-fit: contain;
  width: 2.9rem;
}

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

.brand-copy strong {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.025em;
}

.brand-copy span {
  color: var(--color-muted);
  font-size: 0.69rem;
  letter-spacing: 0.04em;
  margin-top: var(--space-2xs);
}

.primary-nav {
  justify-self: center;
}

.primary-nav ul {
  align-items: center;
  display: flex;
  gap: clamp(var(--space-md), 2.2vw, var(--space-xl));
  list-style: none;
  padding: 0;
}

.primary-nav a:not(.button) {
  color: var(--color-body);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 560;
  position: relative;
  text-decoration: none;
  white-space: nowrap;
}

.primary-nav a:not(.button)::after {
  background: var(--color-mint-strong);
  bottom: -0.125rem;
  content: '';
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-short) var(--ease-out);
  width: 100%;
}

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

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

/* Hero */
.hero {
  overflow: clip;
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: clamp(var(--space-2xl), 6vw, var(--space-3xl));
  grid-template-columns: minmax(0, 1fr) minmax(28rem, 0.9fr);
  min-height: calc(100svh - var(--header-height));
  padding-bottom: clamp(var(--space-3xl), 9vh, var(--space-4xl));
  padding-top: clamp(var(--space-2xl), 6vh, var(--space-3xl));
}

.hero-vertical .hero-grid {
  min-height: auto;
  padding-bottom: clamp(var(--space-3xl), 7vw, var(--space-4xl));
  padding-top: var(--space-2xl);
}

.hero-vertical h1 {
  font-size: clamp(2.7rem, 4.7vw, 4.9rem);
}

.hero-copy {
  max-width: 45rem;
}

.hero-lead {
  color: var(--color-on-dark-muted);
  font-size: clamp(1.05rem, 1.35vw, 1.25rem);
  line-height: 1.68;
  margin-top: var(--space-xl);
  max-width: 62ch;
}

.status-line {
  align-items: flex-start;
  border-top: 1px solid var(--color-rule-dark);
  color: var(--color-on-dark);
  display: flex;
  font-size: var(--text-sm);
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  max-width: 43rem;
  padding-top: var(--space-md);
}

.status-line > span {
  background: var(--color-mint);
  border-radius: 50%;
  flex: 0 0 auto;
  height: 0.55rem;
  margin-top: var(--space-xs);
  width: 0.55rem;
}

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

.breadcrumb {
  align-items: center;
  color: var(--color-on-dark-muted);
  display: flex;
  font-size: var(--text-sm);
  gap: var(--space-sm);
  padding-top: var(--space-xl);
}

.breadcrumb a {
  color: var(--color-on-dark);
}

.hero-copy > *,
.hero-visual {
  animation: hero-enter var(--dur-long) var(--ease-out) both;
}

.hero-copy > :nth-child(2) { animation-delay: 60ms; }
.hero-copy > :nth-child(3) { animation-delay: 110ms; }
.hero-copy > :nth-child(4) { animation-delay: 150ms; }
.hero-copy > :nth-child(5) { animation-delay: 190ms; }
.hero-visual { animation-delay: 120ms; }

@keyframes hero-enter {
  from { opacity: 0; transform: translateY(0.75rem); }
  to { opacity: 1; transform: translateY(0); }
}

/* FEDRO flow */
.flow-figure {
  margin-inline: auto;
  max-width: 38rem;
  width: 100%;
}

.flow-row {
  display: grid;
  gap: clamp(var(--space-xs), 1.5vw, var(--space-md));
  grid-template-columns: 1fr 1fr;
  left: 0;
  position: absolute;
  right: 0;
}

.flow-row-top {
  height: 20%;
  top: 0;
}

.flow-row-bottom {
  bottom: 0;
  height: 16%;
}

.flow-box,
.flow-core {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-rule-dark);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(var(--space-sm), 2vw, var(--space-lg));
}

.flow-box strong,
.flow-core > strong {
  color: var(--color-on-dark);
  font-family: var(--font-display);
  font-size: clamp(0.875rem, 1.4vw, 1.08rem);
  line-height: 1.2;
}

.flow-core {
  height: 32.6%;
  left: 14%;
  position: absolute;
  right: 14%;
  text-align: center;
  top: 36.7%;
}

.flow-figure figcaption {
  border-top: 1px solid var(--color-rule-dark);
  color: var(--color-on-dark-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-sm);
}

/* Evidence and product */

.numbered-grid,
.compact-grid,
.architecture-grid {
  display: grid;
  gap: 0;
}

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

.numbered-grid article {
  border-left: 1px solid var(--color-rule);
  border-top: 1px solid var(--color-rule);
  min-width: 0;
  padding: var(--space-xl);
}

.numbered-grid article:last-child {
  border-right: 1px solid var(--color-rule);
}

.step-number {
  color: var(--color-mint-ink);
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-2xl);
}

.numbered-grid h3,
.compact-grid h3,
.architecture-grid h3 {
  margin-bottom: var(--space-md);
}

.numbered-grid p,
.compact-grid p,
.architecture-grid p {
  color: var(--color-muted);
}

/* Applications */
.application-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.application-card {
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  min-height: 25rem;
  padding: clamp(var(--space-lg), 4vw, var(--space-2xl));
}

.application-card-dark {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-on-dark-muted);
}

.application-card-dark h3 {
  color: var(--color-on-dark);
}

.application-card h3 {
  font-size: var(--text-xl);
  margin: auto 0 var(--space-lg);
}

.application-card p:not(.card-label) {
  max-width: 52ch;
}

.application-card .text-link {
  margin-top: var(--space-xl);
}

/* Architecture */

.section-dark .step-number {
  color: var(--color-mint);
}

/* Method */
.method-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
}

.method-list li {
  border-top: 1px solid var(--color-rule);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  padding: var(--space-xl);
}

.method-list li + li {
  border-left: 1px solid var(--color-rule);
}

.method-list > li > span {
  color: var(--color-mint-ink);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
}

.method-list h3 {
  margin-bottom: var(--space-sm);
}

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

/* Team and program */
.team-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  color: var(--color-body);
  overflow: hidden;
  text-decoration: none;
  transition: border-color var(--dur-short) var(--ease-out);
}

.team-card:hover {
  border-color: var(--color-mint-strong);
}

.team-card:active {
  border-color: var(--color-mint-ink);
}

.team-card img {
  aspect-ratio: 16 / 11;
  filter: saturate(0.78) contrast(1.03);
  object-fit: cover;
  object-position: center 28%;
  width: 100%;
}

.team-card > div {
  padding: var(--space-xl);
}

.team-card h3 {
  margin-bottom: var(--space-xs);
}

.team-card .role {
  color: var(--color-ink-soft);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 650;
  margin-bottom: var(--space-lg);
}

.team-card p:not(.role) {
  color: var(--color-muted);
}

.team-card .team-link {
  color: var(--color-ink);
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 650;
  margin-top: var(--space-xl);
  text-decoration: none;
}

.program-strip {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-rule);
  padding-block: var(--space-3xl);
}

.program-layout {
  align-items: center;
  display: grid;
  gap: var(--space-3xl);
  grid-template-columns: minmax(0, 0.75fr) minmax(28rem, 1fr);
}

.program-layout h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-md);
}

.program-layout > div:first-child > p:last-child {
  color: var(--color-muted);
  max-width: 52ch;
}

.logo-wall {
  align-items: center;
  border-bottom: 1px solid var(--color-rule);
  border-top: 1px solid var(--color-rule);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.logo-wall a {
  align-items: center;
  display: flex;
  height: 8rem;
  justify-content: center;
  padding: var(--space-md);
}

.logo-wall a + a {
  border-left: 1px solid var(--color-rule);
}

.logo-wall img {
  filter: grayscale(1);
  max-height: 4rem;
  max-width: 100%;
  object-fit: contain;
  transition: filter var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out);
}

.logo-wall a:hover img {
  filter: grayscale(0);
}

/* FAQ */
.faq-layout {
  display: grid;
  gap: var(--space-3xl);
  grid-template-columns: 0.65fr 1fr;
}

.faq-heading {
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
  align-self: start;
}

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

.faq-list details {
  border-bottom: 1px solid var(--color-rule);
}

.faq-list summary {
  align-items: center;
  color: var(--color-ink);
  cursor: pointer;
  display: flex;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  gap: var(--space-lg);
  justify-content: space-between;
  list-style: none;
  padding-block: var(--space-lg);
}

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

.faq-list summary:hover {
  color: var(--color-ink-soft);
}

.faq-list summary:active {
  color: var(--color-mint-ink);
}

.faq-list summary span {
  flex: 0 0 1rem;
  height: 1rem;
  position: relative;
  width: 1rem;
}

.faq-list summary span::before,
.faq-list summary span::after {
  background: var(--color-ink-soft);
  content: '';
  height: 1px;
  left: 0;
  position: absolute;
  top: 50%;
  transition: transform var(--dur-short) var(--ease-out);
  width: 100%;
}

.faq-list summary span::after {
  transform: rotate(90deg);
}

.faq-list details[open] summary span::after {
  transform: rotate(0);
}

.faq-list details p {
  color: var(--color-muted);
  max-width: 68ch;
  padding: 0 var(--space-2xl) var(--space-xl) 0;
}

/* Vertical pages */
.section-statement {
  background: var(--color-surface);
}

.statement-grid {
  align-items: start;
  display: grid;
  gap: var(--space-3xl);
  grid-template-columns: minmax(0, 0.8fr) minmax(22rem, 1fr);
}

.statement-grid .section-lead {
  color: var(--color-body);
}

.product-note {
  border-left: 3px solid var(--color-mint-strong);
  color: var(--color-muted);
  margin-top: var(--space-xl);
  max-width: 65ch;
  padding-left: var(--space-lg);
}

.compact-grid article {
  border-top: 1px solid var(--color-rule);
  padding: var(--space-xl) var(--space-xl) 0 0;
}

.team-card + .team-card {
  border-left: var(--rule-thin) solid var(--color-rule-dark);
  padding-left: var(--space-xl);
}

.compact-grid article + article {
  border-left: 1px solid var(--color-rule);
  padding-left: var(--space-xl);
}

.related-section .application-card {
  min-height: 20rem;
}

/* Contact */
.contact-section {
  padding-block: var(--space-4xl);
  scroll-margin-top: calc(var(--header-height) + var(--space-md));
}

.contact-grid {
  align-items: start;
  display: grid;
  gap: clamp(var(--space-2xl), 8vw, var(--space-4xl));
  grid-template-columns: minmax(0, 0.75fr) minmax(30rem, 1fr);
}

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

.contact-copy h2 {
  margin-bottom: var(--space-xl);
}

.direct-email {
  border-top: 1px solid var(--color-rule-dark);
  color: var(--color-on-dark-muted);
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
}

.direct-email a {
  color: var(--color-mint);
  font-weight: 650;
}

.contact-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  color: var(--color-body);
  padding: clamp(var(--space-lg), 4vw, var(--space-xl));
}

.form-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr 1fr;
}

.field {
  margin-bottom: var(--space-lg);
}

.field label {
  color: var(--color-ink);
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.field input,
.field select,
.field textarea {
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  color: var(--color-body);
  min-height: var(--control-height);
  outline: 2px solid transparent;
  outline-offset: 1px;
  padding: var(--space-sm) var(--space-md);
  transition: border-color var(--dur-micro) var(--ease-out), box-shadow var(--dur-micro) var(--ease-out);
  width: 100%;
}

.field input:hover:not(:disabled),
.field select:hover:not(:disabled),
.field textarea:hover:not(:disabled) {
  border-color: var(--color-mint-ink);
}

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

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-mint-strong);
  box-shadow: none;
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
}

.field input:disabled,
.field select:disabled,
.field textarea:disabled {
  background: var(--color-ice);
  cursor: not-allowed;
  opacity: 0.55;
}

.field [aria-invalid="true"] {
  border-color: var(--color-error);
}

.field-error {
  color: var(--color-error);
  display: block;
  font-size: var(--text-xs);
  min-height: 1lh;
  padding-top: var(--space-2xs);
}

.hp-field {
  height: 0;
  left: -10000px;
  overflow: hidden;
  position: absolute;
  width: 0;
}

.form-actions span,
.form-status {
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.consent-field {
  margin-bottom: var(--space-lg);
}

/* Generic WordPress pages (page.php): editor content, e.g. privacy and cookie policy */
.page-generic .hero-copy {
  padding-block: var(--space-xl) var(--space-2xl);
}

.page-prose {
  max-width: 72ch;
}

.page-prose h2,
.page-prose h3 {
  margin-top: var(--space-xl);
  max-width: none;
}

.page-prose h2 {
  font-size: var(--text-xl);
}

.page-prose h3 {
  font-size: var(--text-md);
}

.page-prose p,
.page-prose ul,
.page-prose ol,
.page-prose table {
  margin-top: var(--space-md);
}

.page-prose ul,
.page-prose ol {
  padding-left: 1.25rem;
}

.page-prose a {
  text-decoration: underline;
}

.consent-check {
  align-items: flex-start;
  color: var(--color-muted);
  cursor: pointer;
  display: flex;
  font-size: var(--text-xs);
  gap: var(--space-sm);
}

.consent-check input {
  accent-color: var(--color-mint-strong);
  flex: none;
  height: 1.125rem;
  margin-top: 0.1em;
  width: 1.125rem;
}

.consent-check a {
  color: inherit;
  text-decoration: underline;
}

.form-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.form-status {
  min-height: 1.6rem;
  padding-top: var(--space-md);
}

.form-status[data-state="error"] { color: var(--color-error); }
.form-status[data-state="success"] { color: var(--color-success); }

/* Footer */
.site-footer {
  background: var(--color-night);
  color: var(--color-on-dark-muted);
  padding-block: var(--space-3xl) var(--space-xl);
}

.footer-masthead {
  align-items: end;
  border-bottom: 1px solid var(--color-rule-dark);
  display: grid;
  gap: var(--space-3xl);
  grid-template-columns: 1fr 1fr;
  padding-bottom: var(--space-2xl);
}

.footer-brand {
  color: var(--color-on-dark);
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 5.4rem);
  font-weight: 550;
  letter-spacing: -0.055em;
  line-height: 0.9;
  text-decoration: none;
}

.footer-masthead > div p {
  color: var(--color-mint);
  font-family: var(--font-display);
  margin-top: var(--space-md);
}

.footer-masthead > p {
  font-size: var(--text-md);
  max-width: 46ch;
}

.footer-map {
  display: grid;
  gap: var(--space-2xl);
  grid-template-columns: 1fr 1fr 0.65fr;
  padding-block: var(--space-2xl);
}

.footer-map nav,
.footer-contact {
  align-content: start;
  display: grid;
  gap: var(--space-xs);
}

.footer-label {
  color: var(--color-mint);
  margin-bottom: var(--space-sm);
}

.footer-map a {
  color: var(--color-on-dark);
  font-size: var(--text-sm);
  justify-self: start;
  text-decoration: none;
}

.footer-map a:hover {
  text-decoration: underline;
}

.footer-contact p:last-child {
  font-size: var(--text-sm);
  margin-top: var(--space-sm);
}

.footer-legal {
  border-top: 1px solid var(--color-rule-dark);
  display: flex;
  font-size: var(--text-xs);
  gap: var(--space-lg);
  justify-content: space-between;
  padding-top: var(--space-lg);
}

.footer-legal p:first-child {
  max-width: 75rem;
}

.footer-legal nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-legal nav a {
  color: var(--color-on-dark);
  text-decoration: underline;
  white-space: nowrap;
}

/* Responsive */
@media (max-width: 70rem) {
  .nav-shell {
    grid-template-columns: 1fr auto;
  }

  .menu-toggle {
    align-items: center;
    background: var(--color-paper);
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-2xs);
    height: 2.75rem;
    justify-content: center;
    padding: 0;
    width: 2.75rem;
  }

  .menu-toggle span {
    background: var(--color-ink);
    height: 1px;
    transition: transform var(--dur-short) var(--ease-out);
    width: 1.1rem;
  }

  .menu-toggle:hover {
    background: var(--color-ice);
  }

  .menu-toggle:active {
    background: var(--color-rule);
  }

  .menu-toggle:disabled {
    cursor: not-allowed;
    opacity: 0.55;
  }

  .menu-toggle.is-open span:first-child { transform: translateY(0.2rem) rotate(45deg); }
  .menu-toggle.is-open span:last-child { transform: translateY(-0.2rem) rotate(-45deg); }

  .primary-nav {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-rule);
    box-shadow: var(--shadow-whisper);
    display: none;
    left: 0;
    padding: var(--space-xl) var(--page-gutter);
    position: absolute;
    right: 0;
    top: 100%;
  }

  .primary-nav.is-open {
    display: block;
  }

  .primary-nav ul {
    align-items: stretch;
    display: grid;
    gap: 0;
  }

  .primary-nav li {
    border-bottom: 1px solid var(--color-rule);
  }

  .primary-nav a:not(.button) {
    display: block;
    font-size: var(--text-md);
    padding-block: var(--space-md);
  }

  .primary-nav a:not(.button)::after {
    display: none;
  }

  .nav-mobile-cta {
    display: inline-flex;
    margin-top: var(--space-lg);
  }

  .nav-cta {
    display: none;
  }

  .split-heading,
  .statement-grid,
  .contact-grid,
  .program-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .split-heading,
  .statement-grid,
  .contact-grid {
    gap: var(--space-2xl);
  }

  .contact-copy {
    position: static;
  }

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

  .hero-copy {
    max-width: 52rem;
  }

  .hero-visual {
    width: min(100%, 40rem);
  }
}

@media (max-width: 56rem) {
  :root {
    --space-4xl: 5.5rem;
  }

  .split-heading,
  .statement-grid,
  .faq-layout,
  .contact-grid,
  .program-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .split-heading,
  .statement-grid,
  .faq-layout,
  .contact-grid {
    gap: var(--space-2xl);
  }

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

  .method-list li:nth-child(3) {
    border-left: 0;
  }

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

  .team-card:last-child {
    grid-column: 1 / -1;
    max-width: calc(50% - var(--space-sm));
  }

  .faq-heading,
  .contact-copy {
    position: static;
  }

  .program-layout {
    gap: var(--space-2xl);
  }
}

@media (max-width: 45rem) {
  :root {
    --header-height: 4.5rem;
    --space-3xl: 3.5rem;
    --space-4xl: 4.75rem;
  }

  h1,
  .hero-vertical h1 {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .brand img {
    height: 2.5rem;
    width: 2.5rem;
  }

  .hero-grid {
    gap: var(--space-3xl);
    padding-block: var(--space-3xl);
  }

  .hero-vertical .hero-grid {
    padding-top: var(--space-xl);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

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

  .flow-row {
    gap: var(--space-xs);
  }

  .flow-box,
  .flow-core {
    border-radius: var(--radius-sm);
    padding: var(--space-xs);
  }

  .flow-box strong,
  .flow-core > strong,
  .graph-sample span {
    font-size: 0.875rem;
  }

  .three-cols,
  .application-grid,
  .architecture-grid,
  .team-grid,
  .footer-masthead,
  .footer-map {
    grid-template-columns: minmax(0, 1fr);
  }

  .numbered-grid article,
  .numbered-grid article:last-child,
  .compact-grid article,
  .compact-grid article + article,
  .architecture-grid article,
  .architecture-grid article + article {
    border-left: 0;
    border-right: 0;
    padding-left: 0;
    padding-right: 0;
  }

  .compact-grid article + article,
  .architecture-grid article + article {
    border-top: 1px solid var(--color-rule);
  }

  .application-card {
    min-height: 21rem;
  }

  .open-call,
  .footer-legal {
    align-items: flex-start;
    flex-direction: column;
  }

  .method-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .method-list li,
  .method-list li + li,
  .method-list li:nth-child(3) {
    border-left: 0;
  }

  .method-list li + li {
    border-top: var(--rule-thin) solid var(--color-rule);
  }

  .team-card:last-child {
    grid-column: auto;
    max-width: none;
  }

  .logo-wall {
    grid-template-columns: minmax(0, 1fr);
  }

  .logo-wall a + a {
    border-left: 0;
    border-top: 1px solid var(--color-rule);
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-card {
    margin-inline: 0;
  }
}

@media (max-width: 24rem) {
  .brand-copy span {
    display: none;
  }

}

@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;
  }
}

@media (forced-colors: active) {
  .eyebrow::before,
  .status-line > span,
  .flow-lines,
  .graph-sample i,
  .trace-line span {
    forced-color-adjust: auto;
  }
}

/* --------------------------------------------------------------------------
   FEDRO visual system · September 2026
   The public-site DNA is retained in the light/dark cadence and luminous data
   surfaces. The information architecture and verified copy remain unchanged.
   -------------------------------------------------------------------------- */

body {
  background: var(--color-paper);
  color: var(--color-body);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
}

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

h1,
h2 {
  font-weight: 600;
}

h2 {
  max-width: 14ch;
}

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

.section-ice {
  background:
    radial-gradient(circle at 88% 12%, var(--color-glow-mint), transparent 24rem),
    linear-gradient(180deg, var(--color-ice), var(--color-paper));
  color: var(--color-body);
}
.section-dark {
  background:
    radial-gradient(circle at 88% 12%, var(--color-glow-mint), transparent 27rem),
    linear-gradient(145deg, var(--color-night), var(--color-ink));
  color: var(--color-on-dark);
}

.split-heading {
  align-items: center;
  grid-template-columns: minmax(0, 1.08fr) minmax(20rem, 0.72fr);
}

.split-heading > *,
.split-heading > div,
.split-heading .section-lead {
  min-width: 0;
}

.split-heading .section-lead {
  padding-bottom: 0;
}

.eyebrow {
  letter-spacing: 0.075em;
}

.eyebrow::before {
  background: var(--color-mint-strong);
  border-radius: var(--radius-pill);
  width: 2.5rem;
}

/* N10 · one header, full bar at rest and contained surface after scroll. */
.site-header {
  background: var(--color-header);
  border-bottom-color: var(--color-rule);
  height: var(--header-height);
  transition:
    background-color var(--dur-mid) var(--ease-out),
    border-color var(--dur-mid) var(--ease-out),
    backdrop-filter var(--dur-mid) var(--ease-out);
}

.nav-shell {
  background: transparent;
  border: var(--rule-thin) solid transparent;
  border-radius: 0;
  height: calc(var(--header-height) - var(--space-md));
  max-width: 72rem;
  padding-block: 0;
  transform: translateY(0);
  transition:
    background-color var(--dur-mid) var(--ease-out),
    border-color var(--dur-mid) var(--ease-out),
    border-radius var(--dur-mid) var(--ease-out),
    box-shadow var(--dur-mid) var(--ease-out),
    transform var(--dur-mid) var(--ease-out);
}

.site-header.is-scrolled {
  background: transparent;
  border-bottom-color: transparent;
  box-shadow: none;
}

.site-header.is-scrolled .nav-shell {
  background: var(--color-header);
  border-color: var(--color-rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-whisper);
  height: calc(var(--header-height) - var(--space-md));
  max-width: 72rem;
  transform: translateY(var(--space-xs));
  width: calc(100% - var(--space-xl));
}

.brand {
  gap: var(--space-md);
}

.brand img {
  height: 5.25rem;
  transform: scale(1);
  transition: transform var(--dur-mid) var(--ease-out);
  width: 5.25rem;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: 0.015em;
}

.brand-copy span {
  font-size: var(--text-xs);
}

.site-header.is-scrolled .brand img {
  height: 5.25rem;
  transform: scale(0.78);
  width: 5.25rem;
}

.primary-nav a:not(.button) {
  font-weight: 600;
}

.nav-cta,
.nav-mobile-cta,
.button-primary,
.button-mint {
  box-shadow: 0 var(--space-xs) var(--space-lg) var(--color-glow-mint);
}

/* Hero · the map is the image. */
.hero {
  isolation: isolate;
  overflow: hidden;
  position: relative;
}

.hero::before {
  background:
    radial-gradient(circle at 78% 30%, var(--color-glow-mint), transparent 22rem),
    radial-gradient(circle at 18% 72%, var(--color-glow-cobalt-soft), transparent 27rem);
  content: '';
  inset: 0;
  opacity: 0.72;
  pointer-events: none;
  position: absolute;
  z-index: -2;
}

.hero::after {
  content: none;
}

.hero-grid {
  gap: var(--space-2xl);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-height: calc(100svh - var(--header-height));
  padding-bottom: clamp(calc(var(--space-2xl) + var(--space-md)), 7vh, var(--space-4xl));
  padding-top: clamp(var(--space-2xl), 5vh, var(--space-3xl));
  position: relative;
}

.hero-copy > *,
.hero-visual {
  animation: none;
}

.hero-copy {
  max-width: 47rem;
  min-width: 0;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: clamp(3.35rem, 5.25vw, 5.65rem);
  letter-spacing: -0.055em;
  line-height: 0.96;
  max-width: 11ch;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.25vw, 1.25rem);
  line-height: 1.62;
  max-width: 58ch;
}

.status-line {
  background: var(--color-dark-surface);
  border: var(--rule-thin) solid var(--color-rule-dark);
  border-radius: var(--radius-md);
  margin-top: var(--space-xl);
  max-width: 65ch;
  padding: var(--space-md);
}

.status-line > span {
  box-shadow: 0 0 0 var(--space-xs) var(--color-glow-mint);
}

.hero-actions {
  gap: var(--space-xl);
}

.hero-visual {
  justify-self: stretch;
  min-width: 0;
  position: relative;
  width: 100%;
  z-index: 1;
}

.flow-figure {
  max-width: 46rem;
  min-width: 0;
  position: relative;
  width: 100%;
  z-index: 1;
}

.flow-shell {
  background: linear-gradient(155deg, var(--color-dark-surface-strong), var(--color-dark-surface));
  border: var(--rule-thin) solid var(--color-rule-dark);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-dark);
  overflow: hidden;
  padding: clamp(var(--space-md), 2.5vw, var(--space-xl));
  position: relative;
  width: 100%;
}

.flow-shell::before {
  background: radial-gradient(circle at 50% 48%, var(--color-glow-mint), transparent 16rem);
  content: '';
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.flow-shell-head {
  align-items: center;
  border-bottom: var(--rule-thin) solid var(--color-rule-dark);
  color: var(--color-on-dark-subtle);
  display: flex;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  justify-content: space-between;
  letter-spacing: 0.04em;
  padding-bottom: var(--space-md);
  position: relative;
  text-transform: uppercase;
}

.flow-map {
  --flow-column-gap: var(--space-md);
  display: grid;
  padding-top: var(--space-lg);
  position: relative;
}

.flow-map > *,
.flow-row,
.flow-row > * {
  min-width: 0;
}

.flow-row,
.flow-row-top,
.flow-row-bottom {
  bottom: auto;
  display: grid;
  gap: var(--flow-column-gap);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  height: auto;
  left: auto;
  position: relative;
  right: auto;
  top: auto;
}

.flow-box {
  align-items: center;
  background: linear-gradient(145deg, var(--color-dark-surface-strong), var(--color-dark-surface));
  border: var(--rule-thin) solid var(--color-rule-dark);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: row;
  gap: var(--space-md);
  min-height: 4.75rem;
  min-width: 0;
  padding: var(--space-md);
  position: relative;
}

.flow-box::after {
  background: var(--color-mint);
  border-radius: var(--radius-pill);
  bottom: calc(var(--space-2xs) * -0.5);
  box-shadow: 0 0 0 var(--space-2xs) var(--color-night-2);
  content: '';
  height: var(--space-xs);
  left: calc(50% - var(--space-2xs));
  position: absolute;
  width: var(--space-xs);
}

.flow-row-bottom .flow-box::after {
  bottom: auto;
  top: calc(var(--space-2xs) * -0.5);
}

.flow-icon {
  fill: none;
  flex: 0 0 2.15rem;
  height: 2.15rem;
  stroke: var(--color-mint);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
  width: 2.15rem;
}

.flow-box > span {
  display: grid;
  flex: 1 1 0;
  gap: var(--space-2xs);
  grid-template-columns: minmax(0, 1fr);
  min-width: 0;
}

.flow-box small,
.flow-box strong {
  max-width: 100%;
  min-width: 0;
  overflow-wrap: normal;
  word-break: normal;
}

.flow-box small,
.flow-core-heading small {
  color: var(--color-mint);
  font-size: 0.875rem;
  font-weight: 600;
}

.flow-box strong {
  color: var(--color-on-dark);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  line-height: 1.2;
  overflow-wrap: normal;
}

.flow-rail {
  height: 2.5rem;
  position: relative;
}

.flow-rail i,
.flow-rail b {
  background: var(--color-mint-line);
  display: block;
  position: absolute;
}

.flow-rail i:nth-child(1),
.flow-rail i:nth-child(2) {
  height: var(--space-md);
  top: 0;
  width: var(--rule-strong);
}

.flow-rail i:nth-child(1) { left: calc(25% - var(--flow-column-gap) / 4 - var(--rule-strong) / 2); }
.flow-rail i:nth-child(2) { right: calc(25% - var(--flow-column-gap) / 4 - var(--rule-strong) / 2); }

.flow-rail i:nth-child(3) {
  height: var(--rule-strong);
  left: calc(25% - var(--flow-column-gap) / 4);
  right: calc(25% - var(--flow-column-gap) / 4);
  top: var(--space-md);
}

.flow-rail b {
  bottom: 0;
  height: var(--space-lg);
  left: calc(50% - var(--rule-thin));
  width: var(--rule-strong);
}

.flow-rail-out {
  transform: rotate(180deg);
}

.flow-core {
  background: linear-gradient(145deg, var(--color-night-3), var(--color-night-2));
  border: var(--rule-thin) solid var(--color-mint-line);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 var(--rule-thin) var(--color-glow-mint), 0 var(--space-lg) var(--space-2xl) var(--color-glow-mint);
  height: auto;
  left: auto;
  padding: var(--space-lg);
  position: relative;
  right: auto;
  text-align: left;
  top: auto;
}

.flow-core-heading {
  align-items: center;
  display: flex;
  gap: var(--space-md);
}

.flow-core-heading > span:last-child {
  display: grid;
  gap: var(--space-2xs);
}

.flow-core-heading strong {
  color: var(--color-on-dark);
  font-family: var(--font-display);
  font-size: var(--text-md);
  letter-spacing: -0.02em;
}

.flow-core-mark {
  align-items: center;
  background: var(--color-mint);
  border-radius: var(--radius-md);
  display: flex;
  flex: 0 0 2.75rem;
  height: 2.75rem;
  justify-content: center;
  position: relative;
  width: 2.75rem;
}

.flow-core-mark i {
  background: var(--color-ink);
  border-radius: 50%;
  height: var(--space-xs);
  position: absolute;
  width: var(--space-xs);
}

.flow-core-mark i:nth-child(1) { transform: translate(-0.55rem, 0.35rem); }
.flow-core-mark i:nth-child(2) { transform: translate(0, -0.5rem); }
.flow-core-mark i:nth-child(3) { transform: translate(0.55rem, 0.35rem); }

.canonical-graph {
  align-items: center;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 1rem minmax(0, 1fr) 1rem minmax(0, 1fr);
  margin-top: var(--space-md);
  position: relative;
}

.canonical-node {
  align-items: center;
  justify-content: center;
  background: var(--color-dark-surface-strong);
  border: var(--rule-thin) solid var(--color-rule-dark);
  border-radius: var(--radius-pill);
  color: var(--color-on-dark);
  display: inline-flex;
  font-size: var(--text-sm);
  font-weight: 600;
  gap: var(--space-xs);
  min-height: 2.65rem;
  min-width: 0;
  padding-inline: var(--space-md);
  position: relative;
  text-align: center;
  white-space: normal;
  z-index: 1;
}

.canonical-node i {
  flex-shrink: 0;
  background: var(--color-mint);
  border: var(--rule-strong) solid var(--color-night-2);
  border-radius: 50%;
  box-shadow: 0 0 0 var(--rule-thin) var(--color-mint);
  height: var(--space-sm);
  width: var(--space-sm);
}

.node-document i { background: var(--color-cobalt); box-shadow: 0 0 0 var(--rule-thin) var(--color-cobalt); }

.canonical-edge {
  background: var(--color-mint-line);
  display: block;
  height: var(--rule-thin);
}

.flow-core-meta {
  border-top: var(--rule-thin) solid var(--color-rule-dark);
  color: var(--color-on-dark-subtle);
  display: grid;
  font-size: var(--text-xs);
  gap: var(--space-md);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  text-align: center;
}

.flow-figure figcaption {
  align-items: center;
  border-top: 0;
  color: var(--color-on-dark-subtle);
  display: flex;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  gap: var(--space-sm);
  letter-spacing: 0.04em;
  margin-top: var(--space-md);
  padding-top: 0;
  text-transform: uppercase;
}

.flow-figure figcaption::before {
  background: var(--color-mint);
  content: '';
  height: var(--rule-strong);
  width: var(--space-xl);
}

/* Evidence · the maturity story is visible, not buried in prose. */

/* Product narrative · semantic FEDRO diagrams, one capability per fold. */

.statement-grid h2 {
  font-size: clamp(2rem, 3.6vw, 3.6rem);
  max-width: 17ch;
}

/* Applications · equal geometry, different domain signal. */
.application-grid {
  gap: var(--space-xl);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.application-card,
.application-card.application-card-dark {
  background: var(--color-surface);
  border-color: var(--color-rule);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-whisper);
  color: var(--color-body);
  min-height: 32rem;
  overflow: hidden;
  padding: 0 0 clamp(var(--space-xl), 4vw, var(--space-2xl));
}

.application-card-dark h3,
.application-card-dark .text-link.on-dark {
  color: var(--color-ink);
}

.application-card-dark .card-label {
  color: var(--color-ink-soft);
}

.application-card h3 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: var(--space-md);
  margin-top: var(--space-lg);
  hyphens: none;
  overflow-wrap: normal;
  word-break: normal;
}

.application-card .text-link {
  margin-top: auto;
  padding-top: var(--space-xl);
}

/* Architecture · the previous arbitrary node decoration is removed. */

/* Method · one continuous sequence, without legacy illustration cards. */
.method-list {
  border-bottom: var(--rule-thin) solid var(--color-rule);
  border-top: var(--rule-thin) solid var(--color-rule);
  gap: 0;
  position: relative;
}

.method-list li,
.method-list li + li,
.method-list li:nth-child(3) {
  background: transparent;
  border: 0;
  border-left: var(--rule-thin) solid var(--color-rule);
  border-radius: 0;
  gap: var(--space-lg);
  overflow: visible;
  padding: var(--space-xl);
}

.method-list li:first-child { border-left: 0; }

.method-list li > span {
  align-self: flex-start;
  background: transparent;
  border-radius: 0;
  color: var(--color-mint-ink);
  font-size: var(--text-sm);
  line-height: 1;
  margin-top: 0;
  text-align: left;
  width: auto;
}

.method-list h3 {
  font-size: var(--text-lg);
}

/* Team · authentic portraits at their natural scale, never stretched into banners. */
.section-team {
  background:
    radial-gradient(circle at 88% 8%, var(--color-glow-cobalt-soft), transparent 24rem),
    var(--color-night);
  color: var(--color-on-dark);
}

.section-team .split-heading {
  align-items: end;
}

.section-team .split-heading h2 {
  color: var(--color-on-dark);
  font-size: clamp(2.75rem, 4.4vw, 4.25rem);
  max-width: 17ch;
}

.section-team .section-lead {
  color: var(--color-on-dark-muted);
}

.team-grid {
  gap: 0;
}

.team-card {
  background: transparent;
  border: 0;
  border-radius: 0;
  border-top: var(--rule-thin) solid var(--color-rule-dark);
  box-shadow: none;
  color: var(--color-on-dark);
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 5rem minmax(0, 1fr);
  min-height: 18rem;
  padding: var(--space-xl) var(--space-xl) 0 0;
}

.team-card img {
  aspect-ratio: 1;
  border: var(--rule-thin) solid var(--color-rule-dark);
  border-radius: 50%;
  filter: saturate(0.65) contrast(1.06);
  height: 5rem;
  object-fit: cover;
  object-position: center;
  width: 5rem;
}

.team-card > div {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 0;
}

.team-card h3 {
  color: var(--color-on-dark);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  line-height: 1.25;
  white-space: nowrap;
}

.team-card .role {
  color: var(--color-mint);
  margin-bottom: var(--space-lg);
}

.team-card p:not(.role) {
  color: var(--color-on-dark-muted);
  font-size: var(--text-sm);
  line-height: 1.65;
}

.team-card .team-link {
  color: var(--color-on-dark);
  margin-top: auto;
  white-space: nowrap;
}

.team-card .team-link:hover {
  text-decoration: underline;
}

.team-card .team-link:active {
  color: var(--color-mint);
}

.team-card:hover {
  border-color: var(--color-mint-line);
}

.team-card:active {
  border-color: var(--color-mint);
}

.program-strip {
  background:
    radial-gradient(circle at 14% 10%, var(--color-glow-cobalt-soft), transparent 20rem),
    var(--color-surface);
}

.logo-wall {
  background: var(--color-paper);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-whisper);
  overflow: hidden;
}

.logo-wall img {
  filter: none;
  opacity: 0.9;
}

.faq-list details {
  background: var(--color-surface);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  padding-inline: var(--space-lg);
}

.faq-list {
  border-top: 0;
  min-width: 0;
}

.faq-layout,
.faq-layout > *,
.faq-list details,
.faq-list summary {
  min-width: 0;
}

.faq-list summary {
  overflow-wrap: break-word;
}

.contact-section {
  padding-block: var(--space-3xl);
  background:
    radial-gradient(circle at 84% 18%, var(--color-glow-mint), transparent 27rem),
    linear-gradient(145deg, var(--color-night), var(--color-ink));
}

.contact-card {
  border: var(--rule-thin) solid var(--color-rule-dark);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-dark);
}

.contact-card :focus-visible {
  outline-color: var(--color-focus);
}

.field input,
.field select,
.field textarea {
  background: var(--color-paper);
  border-width: var(--rule-thin);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--color-muted);
  opacity: 1;
}

/* Ft5 · the statement closes the argument, then the real sitemap follows. */
.site-footer {
  background:
    radial-gradient(circle at 90% 5%, var(--color-glow-cobalt-soft), transparent 28rem),
    var(--color-night);
  padding-top: var(--space-3xl);
}

.footer-masthead {
  align-items: start;
  grid-template-columns: minmax(15rem, 0.55fr) minmax(0, 1.45fr);
}

.footer-brand {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.footer-masthead > p {
  color: var(--color-on-dark);
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.4vw, 4.6rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1;
  max-width: 18ch;
}

.footer-map {
  border-bottom: var(--rule-thin) solid var(--color-rule-dark);
}

.footer-masthead,
.footer-masthead > *,
.footer-map,
.footer-map > *,
.method-list,
.method-list li,
.contact-grid,
.contact-grid > *,
.contact-card,
.contact-card form,
.form-grid,
.field,
.field input,
.field select,
.field textarea,
.architecture-grid,
.architecture-grid article,
.numbered-grid,
.numbered-grid article,
.compact-grid,
.compact-grid article {
  min-width: 0;
}

.footer-brand,
.footer-masthead p,
.method-list h3,
.method-list p {
  overflow-wrap: normal;
}

/* Vertical pages share the same visual language and use semantic diagrams as
   a process legend. The diagrams are decorative; headings carry all meaning. */
.hero-vertical .hero-grid {
  min-height: min(51rem, calc(100svh - var(--header-height)));
  padding-bottom: clamp(var(--space-3xl), 7vw, var(--space-4xl));
  padding-top: var(--space-2xl);
}

.hero-vertical h1 {
  font-size: clamp(3rem, 4.65vw, 5rem);
}

.section-statement {
  background:
    radial-gradient(circle at 92% 16%, var(--color-glow-cobalt-soft), transparent 23rem),
    var(--color-surface);
}

.statement-grid {
  background: var(--color-paper);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-whisper);
  gap: var(--space-3xl);
  padding: clamp(var(--space-xl), 5vw, var(--space-4xl));
}

.product-note {
  background: var(--color-mint-soft);
  border-left: 0;
  border-radius: var(--radius-md);
  color: var(--color-ink-soft);
  padding: var(--space-lg);
}

.visual-steps {
  background: var(--color-surface);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-whisper);
  gap: 0;
  overflow: hidden;
  padding: var(--space-lg);
}

.visual-steps article {
  background-color: var(--color-surface);
  background-image: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  min-height: 19rem;
  padding: var(--space-xl);
}

.visual-steps article:last-child {
  border-right: 0;
}

.visual-steps article + article {
  border-left: var(--rule-thin) solid var(--color-rule);
}

.step-map {
  align-items: center;
  border-bottom: var(--rule-thin) solid var(--color-rule);
  display: grid;
  gap: var(--space-xs);
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  min-height: 6.5rem;
  margin-bottom: var(--space-xl);
  width: 100%;
}

.step-map span {
  background: var(--color-ice);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-pill);
  color: var(--color-ink-soft);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.2;
  min-width: 0;
  overflow-wrap: normal;
  padding: var(--space-xs) var(--space-sm);
  text-align: center;
  white-space: nowrap;
}

.step-map i {
  color: var(--color-mint-ink);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-style: normal;
  font-weight: 700;
  line-height: 1;
}

.step-map-graph span {
  border-color: var(--color-cobalt);
}

.step-map-output span {
  background: var(--color-night);
  border-color: var(--color-night);
  color: var(--color-on-dark);
}

.page-prospect .visual-steps article,
.page-prospect .visual-steps article:last-child {
  min-height: 12rem;
}

.compact-grid {
  gap: var(--space-md);
}

.compact-grid article,
.compact-grid article + article {
  background: var(--color-surface);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-lg);
  min-height: 14rem;
  padding: var(--space-xl);
}

.compact-grid article::before {
  background: var(--color-cobalt);
  border-radius: var(--radius-md);
  content: '';
  display: block;
  height: var(--space-xl);
  margin-bottom: var(--space-xl);
  width: var(--space-xl);
}

.related-section .application-card {
  min-height: 22rem;
  padding: clamp(var(--space-xl), 4vw, var(--space-2xl));
}

.related-section .application-card.application-card-dark {
  background:
    radial-gradient(circle at 90% 10%, var(--color-glow-mint), transparent 17rem),
    linear-gradient(145deg, var(--color-night-2), var(--color-ink));
  border-color: var(--color-rule-dark);
  color: var(--color-on-dark-muted);
}

.related-section .application-card-dark h3,
.related-section .application-card-dark .text-link.on-dark {
  color: var(--color-on-dark);
}

.related-section .application-card-dark .card-label {
  color: var(--color-mint);
}

@media (max-width: 74rem) {
  .hero-grid,
  .architecture .split-heading {
    grid-template-columns: minmax(22rem, 0.9fr) minmax(30rem, 1.1fr);
  }

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

  .visual-steps article,
  .visual-steps article:last-child {
    min-height: 0;
  }

  .visual-steps article + article {
    border-left: 0;
    border-top: var(--rule-thin) solid var(--color-rule);
  }

  .canonical-node {
    padding-inline: var(--space-sm);
  }
}

@media (max-width: 70rem) {
  .site-header,
  .site-header.is-scrolled {
    background: var(--color-header);
    border-bottom-color: var(--color-rule);
  }

  .nav-shell,
  .site-header.is-scrolled .nav-shell {
    background: transparent;
    border-color: transparent;
    border-radius: 0;
    box-shadow: none;
    height: calc(var(--header-height) - var(--space-xs));
    max-width: var(--container);
    transform: none;
    width: 100%;
  }

  .brand img,
  .site-header.is-scrolled .brand img {
    height: 4rem;
    transform: none;
    width: 4rem;
  }

  .primary-nav {
    border: var(--rule-thin) solid var(--color-rule);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    top: calc(100% - var(--space-xs));
  }

  .hero-grid,
  .hero-vertical .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
  }

  .hero-copy {
    max-width: 58rem;
  }

  .hero-visual {
    justify-self: center;
    width: min(100%, 48rem);
  }

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

  .team-card,
  .team-card + .team-card,
  .team-card:last-child {
    border-left: 0;
    grid-column: auto;
    max-width: none;
    min-height: 0;
    padding: var(--space-xl) 0;
  }
}

@media (max-width: 56rem) {
  .section,
  .contact-section {
    padding-block: calc(var(--space-2xl) + var(--space-xs));
  }

  .split-heading,
  .evidence-layout,
  .statement-grid {
    grid-template-columns: 1fr;
  }

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

  .method-list li:nth-child(odd) {
    border-left: 0;
  }

  .method-list li:nth-child(n + 3) {
    border-top: var(--rule-thin) solid var(--color-rule);
  }

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

  .team-card,
  .team-card + .team-card,
  .team-card:last-child {
    border-left: 0;
    grid-column: auto;
    max-width: none;
    min-height: 0;
    padding: var(--space-xl) 0;
  }

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

  .footer-masthead > p {
    max-width: 20ch;
  }
}

@media (max-width: 45rem) {
  :root {
    --header-height: 5.25rem;
  }

  .section {
    padding-block: calc(var(--space-xl) + var(--space-xs));
  }

  .contact-section {
    padding-block: calc(var(--space-xl) + var(--space-xs));
  }

  .brand img,
  .site-header.is-scrolled .brand img {
    height: 3.875rem;
    width: 3.875rem;
  }

  .brand-copy strong {
    font-size: var(--text-sm);
  }

  .brand-copy span {
    display: none;
  }

  .menu-toggle {
    height: 3rem;
    width: 3rem;
  }

  .hero-grid,
  .hero-vertical .hero-grid {
    gap: var(--space-2xl);
    padding-bottom: var(--space-4xl);
    padding-top: var(--space-2xl);
  }

  .hero h1,
  .hero-vertical h1 {
    font-size: clamp(2.75rem, 13vw, 4rem);
  }

  .hero-lead {
    font-size: var(--text-base);
  }

  .status-line {
    padding: var(--space-sm);
  }

  .flow-shell {
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
  }

  .flow-shell-head {
    padding: 0 var(--space-xs) var(--space-sm);
  }

  .flow-shell-head > span:first-child {
    display: none;
  }

  .flow-map {
    --flow-column-gap: var(--space-xs);
  }

  .flow-box {
    align-items: flex-start;
    border-radius: var(--radius-sm);
    flex-direction: column;
    gap: var(--space-xs);
    min-height: 5rem;
    padding: var(--space-xs);
  }

  .flow-icon {
    flex-basis: 1.65rem;
    height: 1.65rem;
    width: 1.65rem;
  }

  .flow-box strong,
  .canonical-node {
    font-size: 0.875rem;
  }

  .flow-box > span {
    width: 100%;
  }

  .flow-box small,
  .flow-core-heading small {
    font-size: 0.875rem;
  }

  .flow-rail {
    height: 2.75rem;
  }

  .flow-rail i:nth-child(1),
  .flow-rail i:nth-child(2) {
    height: var(--space-md);
  }

  .flow-rail i:nth-child(3) {
    top: var(--space-md);
  }

  .flow-rail b {
    height: calc(100% - var(--space-md));
  }

  .flow-core {
    border-radius: var(--radius-md);
    padding: var(--space-md);
  }

  .flow-core-heading strong {
    font-size: var(--text-base);
  }

  .flow-core-mark {
    display: none;
  }

  .canonical-graph {
    grid-template-columns: minmax(0, 1fr) 0.5rem minmax(0, 1fr) 0.5rem minmax(0, 1fr);
    margin-top: var(--space-md);
  }

  .canonical-node {
    gap: var(--space-2xs);
    min-height: 2.35rem;
    padding-inline: var(--space-xs);
  }

  .canonical-node i {
    border-width: var(--rule-thin);
    height: var(--space-xs);
    width: var(--space-xs);
  }

  .button,
  .text-link,
  .primary-nav a,
  .footer-map a,
  .footer-brand {
    white-space: nowrap;
  }

  p,
  a,
  label,
  small,
  strong,
  .canonical-node {
    overflow-wrap: break-word;
    word-break: normal;
  }

  input,
  select,
  textarea {
    max-width: 100%;
    min-width: 0;
  }

  .open-call .text-link,
  .application-card .text-link,
  .form-actions .button,
  .form-actions > span {
    flex-wrap: wrap;
    max-width: 100%;
    min-width: 0;
    width: 100%;
  }

  .application-card .text-link {
    width: auto;
  }

  .flow-core-meta {
    display: none;
  }

  .application-card,
  .application-card.application-card-dark {
    min-height: 31rem;
  }

  .method-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .method-list li,
  .method-list li + li,
  .method-list li:nth-child(3) {
    border-left: 0;
  }

  .method-list li + li {
    border-top: var(--rule-thin) solid var(--color-rule);
  }

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

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

  .logo-wall a,
  .logo-wall a + a {
    border-left: var(--rule-thin) solid var(--color-rule);
    border-top: 0;
    height: 6.5rem;
    padding: var(--space-sm);
  }

  .logo-wall a:first-child {
    border-left: 0;
  }

  .logo-wall img {
    max-height: 3.25rem;
    max-width: 100%;
  }

  .faq-list details {
    padding-inline: var(--space-md);
  }

  .visual-steps article,
  .visual-steps article:last-child {
    min-height: 0;
    padding: var(--space-xl);
  }

  .visual-steps article + article {
    border-left: 0;
    border-top: var(--rule-thin) solid var(--color-rule);
  }

  .footer-masthead > p {
    font-size: clamp(2.15rem, 10vw, 3.5rem);
  }
}

@media (max-width: 27rem) {
  .canonical-node {
    flex-direction: column;
    font-size: 0.75rem;
    line-height: 1.05;
    overflow-wrap: normal;
    padding-inline: var(--space-2xs);
    text-align: center;
    white-space: nowrap;
  }

  .visual-steps article,
  .visual-steps article:last-child {
    padding: var(--space-lg);
  }

  .application-card h3 {
    font-size: 1.75rem;
  }

  .team-card {
    column-gap: var(--space-lg);
    grid-template-columns: 5rem minmax(0, 1fr);
    row-gap: 0;
  }

  .team-card img {
    grid-row: 1 / span 2;
  }

  .team-card > div {
    display: contents;
  }

  .team-card h3 {
    align-self: end;
  }

  .team-card .role {
    align-self: start;
    margin-bottom: 0;
    margin-top: var(--space-xs);
  }

  .team-card p:not(.role),
  .team-card .team-link {
    grid-column: 1 / -1;
  }

  .team-card p:not(.role) {
    margin-top: var(--space-lg);
  }

  .team-card .team-link {
    margin-top: var(--space-md);
  }

  .brand-copy {
    display: none;
  }
}

@media (min-width: 70.01rem) and (max-height: 52rem) {
  .hero-grid,
  .hero-vertical .hero-grid {
    min-height: calc(100svh - var(--header-height));
    padding-bottom: var(--space-2xl);
    padding-top: var(--space-lg);
  }

  .hero h1,
  .hero-vertical h1 {
    font-size: clamp(3rem, 4.2vw, 4.6rem);
  }

  .hero-visual,
  .hero-vertical .hero-visual {
    width: min(100%, 34rem);
  }

  .flow-figure {
    max-width: 30rem;
  }

  .breadcrumb {
    padding-top: var(--space-md);
  }

  .hero-lead,
  .status-line,
  .hero-actions {
    margin-top: var(--space-md);
  }

  .hero-lead {
    line-height: 1.5;
  }

  .status-line {
    padding: var(--space-sm) var(--space-md);
  }
}

@media (forced-colors: active) {
  .flow-icon,
  .flow-rail i,
  .flow-rail b,
  .canonical-edge,
  .canonical-node i,
  .compact-grid article::before {
    forced-color-adjust: auto;
  }
}

/* Mission close · 2026-09-11
   Narrative: problem → reuse → semantic contract → verifiable result → evidence. */
.page-home .hero-grid {
  min-height: clamp(39rem, 78svh, 52rem);
  padding-block-start: clamp(var(--space-xl), 4vh, var(--space-2xl));
  padding-block-end: clamp(var(--space-3xl), 8vh, var(--space-4xl));
}

.page-home .hero h1 {
  font-size: clamp(3.1rem, 4.75vw, 5.1rem);
  line-height: 0.96;
  max-width: 11.5ch;
}

.hero-secondary {
  color: var(--color-mint);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.1vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-top: var(--space-lg);
  max-width: 28ch;
}

.page-home .hero-lead {
  margin-top: var(--space-lg);
  max-width: 56ch;
}

.hero-formula {
  border-block: var(--rule-thin) solid var(--color-rule-dark);
  color: var(--color-on-dark-muted);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-top: var(--space-lg);
  max-width: 55ch;
  padding-block: var(--space-sm);
}

.hero-formula span {
  color: var(--color-on-dark);
}

.page-home .hero-actions {
  margin-top: var(--space-xl);
}

.page-home .flow-figure {
  max-width: 41rem;
}

.page-home .flow-shell {
  box-shadow: var(--shadow-proof);
}

.problem-section {
  background: var(--color-paper);
  padding-block: clamp(var(--space-3xl), 7vw, var(--space-4xl));
}

.problem-editorial {
  display: grid;
  gap: clamp(var(--space-2xl), 6vw, var(--space-4xl));
  grid-template-columns: minmax(0, 1.08fr) minmax(22rem, 0.92fr);
}

.problem-editorial h2 {
  font-size: clamp(2.75rem, 4.65vw, 4.6rem);
  line-height: 0.98;
  max-width: 15ch;
}

.problem-copy {
  align-self: center;
  display: grid;
  gap: var(--space-xl);
  max-width: 42rem;
}

.problem-copy > p {
  color: var(--color-muted);
  font-size: var(--text-md);
  max-width: 58ch;
}

.problem-copy blockquote {
  border-block: var(--rule-strong) solid var(--color-ink);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.25vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.22;
  margin: 0;
  padding-block: var(--space-lg);
}

.reuse-section {
  padding-block: clamp(var(--space-3xl), 7vw, var(--space-4xl));
}

.reuse-heading {
  align-items: center;
  display: grid;
  justify-items: center;
  gap: var(--space-lg);
  grid-template-columns: minmax(0, 1fr);
  text-align: center;
}

.reuse-heading h2 {
  font-size: clamp(2.2rem, 3.8vw, 3.5rem);
  max-width: 30ch;
}

.reuse-heading > p {
  color: var(--color-on-dark-muted);
  font-size: var(--text-md);
  padding-bottom: 0;
}

.paradigm {
  border-block: var(--rule-thin) solid var(--color-rule-dark);
  display: grid;
  margin-top: var(--space-2xl);
}

.paradigm-lane {
  align-items: center;
  display: grid;
  column-gap: var(--space-md);
  grid-template-columns: minmax(0, 1fr) 2rem minmax(0, 1fr) 2rem minmax(0, 1fr) 2rem minmax(0, 1fr);
  min-height: 8rem;
  padding-block: var(--space-lg);
  row-gap: var(--space-md);
  text-align: center;
}

.paradigm-lane + .paradigm-lane {
  border-top: var(--rule-thin) solid var(--color-rule-dark);
}

.paradigm-lane > strong {
  color: var(--color-on-dark-subtle);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  grid-column: 1 / -1;
  justify-self: center;
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
}

.paradigm-lane > span,
.paradigm-lane > b {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.7vw, 1.5rem);
  font-weight: 600;
  line-height: 1.2;
}

.paradigm-today {
  color: var(--color-on-dark-subtle);
}

.paradigm-today > span {
  grid-column: 1 / 4;
}

.paradigm-today > b {
  grid-column: 5 / 8;
}

.paradigm-fedro > span,
.paradigm-fedro > b {
  color: var(--color-on-dark);
}

.paradigm-fedro > b {
  color: var(--color-mint);
}

.paradigm-lane > i {
  background: var(--color-rule-dark);
  height: var(--rule-thin);
  position: relative;
}

.paradigm-lane > i::after {
  border-right: var(--rule-thin) solid currentColor;
  border-top: var(--rule-thin) solid currentColor;
  content: '';
  height: var(--space-xs);
  position: absolute;
  right: 0;
  top: calc(50% - var(--space-2xs));
  transform: rotate(45deg);
  width: var(--space-xs);
}

.paradigm-fedro > i {
  background: var(--color-mint-line);
  color: var(--color-mint);
}

.reuse-note {
  color: var(--color-on-dark-muted);
  font-size: var(--text-sm);
  margin-inline: auto;
  margin-top: var(--space-xl);
  max-width: 76ch;
  text-align: center;
}

.semantic-section {
  background:
    radial-gradient(circle at 92% 8%, var(--color-glow-mint), transparent 24rem),
    var(--color-paper);
  padding-block: clamp(var(--space-3xl), 7vw, var(--space-4xl));
}

.semantic-intro {
  align-items: start;
  display: grid;
  gap: clamp(var(--space-2xl), 6vw, var(--space-4xl));
  grid-template-columns: minmax(0, 1fr) minmax(24rem, 0.9fr);
}

.semantic-intro h2 {
  font-size: clamp(2.75rem, 4.35vw, 4.4rem);
  max-width: 14ch;
}

.semantic-intro .section-lead {
  margin-top: var(--space-xl);
  max-width: 55ch;
}

.semantic-definitions {
  border-top: var(--rule-strong) solid var(--color-ink);
}

.semantic-definitions article {
  border-bottom: var(--rule-thin) solid var(--color-rule);
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: minmax(8rem, 0.55fr) minmax(0, 1.45fr);
  padding-block: var(--space-xl);
}

.semantic-definitions h3 {
  color: var(--color-mint-ink);
  font-size: var(--text-md);
}

.semantic-definitions p {
  color: var(--color-muted);
  max-width: 42ch;
}

.semantic-pipeline {
  margin-top: var(--space-3xl);
}

.semantic-pipeline ol {
  background: var(--color-night);
  border-radius: var(--radius-lg);
  color: var(--color-on-dark);
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  list-style: none;
  overflow: hidden;
  padding: 0;
}

.semantic-pipeline li {
  display: grid;
  gap: var(--space-sm);
  min-height: 8.5rem;
  padding: var(--space-xl) var(--space-lg);
  position: relative;
}

.semantic-pipeline li + li {
  border-left: var(--rule-thin) solid var(--color-rule-dark);
}

.semantic-pipeline li:not(:last-child)::after {
  color: var(--color-mint);
  content: '→';
  font-family: var(--font-display);
  position: absolute;
  right: calc(var(--space-sm) * -0.65);
  top: calc(50% - var(--space-md));
  z-index: 1;
}

.semantic-pipeline span {
  color: var(--color-mint);
  font-family: var(--font-display);
  font-weight: 600;
}

.semantic-pipeline small {
  color: var(--color-on-dark-muted);
  line-height: 1.45;
}

.semantic-pipeline figcaption {
  color: var(--color-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-lg);
  max-width: 92ch;
}

.proof-section {
  background: var(--color-ice);
  padding-block: clamp(var(--space-3xl), 6vw, var(--space-4xl));
}

.proof-heading {
  align-items: center;
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.proof-heading h2 {
  font-size: clamp(2.2rem, 3.8vw, 3.5rem);
  max-width: none;
}

.proof-heading p {
  color: var(--color-muted);
  font-size: var(--text-md);
  max-width: 64ch;
}

.product-proof {
  background: var(--color-night);
  border-radius: var(--radius-xl);
  color: var(--color-on-dark);
  padding: var(--space-xl);
}

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

.proof-stage {
  align-content: start;
  border-top: var(--rule-thin) solid var(--color-rule-dark);
  display: grid;
  gap: var(--space-md);
  grid-template-rows: auto 3rem 10rem;
  min-width: 0;
  padding-top: var(--space-lg);
  text-align: center;
}

.proof-stage > small {
  color: var(--color-mint);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  white-space: nowrap;
}

.proof-stage > strong {
  align-self: center;
  color: var(--color-on-dark);
  font-family: var(--font-display);
  font-size: var(--text-base);
  line-height: 1.4;
  max-width: 24ch;
  justify-self: center;
}

.proof-query {
  align-content: center;
  background: var(--color-night-3);
  border: var(--rule-thin) solid var(--color-rule-dark);
  border-radius: var(--radius-sm);
  color: var(--color-on-dark);
  display: grid;
  font-size: var(--text-base);
  line-height: 1.65;
  margin: 0;
  padding: var(--space-md);
}

.proof-relations {
  align-content: center;
  display: grid;
  gap: var(--space-lg);
  list-style: none;
  padding: 0;
}

.proof-relations li {
  align-items: center;
  display: grid;
  gap: var(--space-xs);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
}

.proof-relations span {
  background: var(--color-night-3);
  border: var(--rule-thin) solid var(--color-mint-line);
  border-radius: var(--radius-pill);
  color: var(--color-on-dark);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-xs) var(--space-2xs);
  text-align: center;
  white-space: nowrap;
}

.proof-relations em {
  color: var(--color-on-dark-muted);
  font-size: var(--text-xs);
  font-style: normal;
  line-height: 1.25;
  text-align: center;
}

.proof-output {
  align-content: center;
  display: grid;
}

.proof-output > div {
  align-items: center;
  border-bottom: var(--rule-thin) solid var(--color-rule-dark);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: var(--space-sm);
  padding-block: var(--space-sm);
  text-align: left;
}

.proof-output dt {
  color: var(--color-on-dark-muted);
  font-size: var(--text-xs);
}

.proof-output dd {
  color: var(--color-mint);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  margin: 0;
  text-align: right;
}

.proof-sheet {
  background: var(--color-paper);
  border-radius: var(--radius-sm);
  color: var(--color-body);
  display: grid;
  align-content: center;
  gap: var(--space-md);
  padding: var(--space-md);
}

.proof-sheet > span {
  background: var(--color-rule);
  height: var(--rule-thin);
}

.proof-sheet mark {
  background: var(--color-mint-soft);
  border-bottom: var(--rule-strong) solid var(--color-mint-ink);
  color: var(--color-ink);
  font-size: var(--text-sm);
  padding: var(--space-sm);
  text-align: left;
}

.evidence-section {
  padding-block: clamp(var(--space-3xl), 7vw, var(--space-4xl));
}

.maturity-ledger {
  border-top: var(--rule-strong) solid var(--color-ink);
}

.maturity-ledger > div {
  border-bottom: var(--rule-thin) solid var(--color-rule);
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: minmax(8rem, 0.35fr) minmax(0, 1.65fr);
  padding-block: var(--space-xl);
}

.maturity-ledger dt {
  color: var(--color-mint-ink);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
}

.maturity-ledger dd {
  color: var(--color-body);
  font-size: var(--text-md);
  margin: 0;
  max-width: 68ch;
}

.application-pair {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: var(--space-3xl);
}

.application-brief {
  background: var(--color-surface);
  border: var(--rule-thin) solid var(--color-rule);
  border-radius: var(--radius-lg);
  display: grid;
  gap: var(--space-sm);
  min-height: 19rem;
  overflow: hidden;
  padding: var(--space-xl);
  text-decoration: none;
  transition: border-color var(--dur-short) var(--ease-out);
}

.application-brief > span,
.application-brief > small {
  color: var(--color-muted);
  font-size: var(--text-xs);
  overflow-wrap: normal;
  word-break: normal;
}

.application-brief > span {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.application-brief > strong {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 3rem);
  letter-spacing: -0.035em;
  line-height: 1;
  overflow-wrap: normal;
  word-break: normal;
}

.application-brief__flow {
  align-items: center;
  align-self: end;
  border-top: var(--rule-thin) solid var(--color-rule);
  display: grid;
  gap: var(--space-sm);
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
  margin-top: auto;
  padding-top: var(--space-lg);
}

.application-brief__flow > span {
  align-items: center;
  display: grid;
  gap: var(--space-xs);
  justify-items: center;
  min-width: 0;
}

.application-brief__flow svg {
  fill: none;
  stroke: var(--color-ink-soft);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: var(--rule-strong);
  width: 2.25rem;
}

.application-brief__flow b {
  color: var(--color-ink-soft);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
}

.application-brief__flow > i {
  color: var(--color-mint-ink);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-style: normal;
  line-height: 1;
}

.application-brief-mfg {
  background: var(--color-night);
  border-color: var(--color-rule-dark);
}

.application-brief-mfg > strong { color: var(--color-on-dark); }
.application-brief-mfg > span,
.application-brief-mfg > small { color: var(--color-on-dark-muted); }
.application-brief-mfg .application-brief__flow { border-color: var(--color-rule-dark); }
.application-brief-mfg .application-brief__flow svg { stroke: var(--color-mint); }
.application-brief-mfg .application-brief__flow b { color: var(--color-on-dark-muted); }
.application-brief-mfg .application-brief__flow > i { color: var(--color-mint); }

@media (hover: hover) and (pointer: fine) {
  .application-brief:hover {
    border-color: var(--color-mint-ink);
  }
}

.ai-section {
  padding-block: clamp(var(--space-3xl), 7vw, var(--space-4xl));
}

.ai-layout {
  display: grid;
  gap: clamp(var(--space-3xl), 7vw, var(--space-4xl));
  grid-template-columns: minmax(0, 1.05fr) minmax(24rem, 0.75fr);
}

.ai-layout h2 {
  color: var(--color-on-dark);
  font-size: clamp(2.75rem, 4.35vw, 4.4rem);
  max-width: 16ch;
}

.ai-layout p {
  color: var(--color-on-dark-muted);
  font-size: var(--text-md);
  margin-top: var(--space-xl);
  max-width: 58ch;
}

.access-modes {
  align-self: center;
  border-top: var(--rule-thin) solid var(--color-rule-dark);
  display: grid;
}

.access-modes > span {
  border-bottom: var(--rule-thin) solid var(--color-rule-dark);
  color: var(--color-on-dark);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  padding-block: var(--space-md);
}

.access-modes > small {
  color: var(--color-on-dark-subtle);
  line-height: 1.5;
  padding-top: var(--space-lg);
}

.method-heading {
  align-items: end;
  display: grid;
  gap: var(--space-3xl);
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.62fr);
  margin-bottom: var(--space-3xl);
}

.method-heading h2 {
  font-size: clamp(2.5rem, 4.2vw, 4.25rem);
  max-width: 16ch;
}

.method-heading p {
  color: var(--color-muted);
  font-size: var(--text-md);
}

.page-home .method-list li {
  min-height: 12rem;
}

.page-home .method-list p {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.page-home .team-card {
  min-height: 12rem;
}

.page-home .team-card .role {
  margin-bottom: var(--space-md);
}

.page-home .program-strip {
  padding-block: var(--space-2xl);
}

.page-home .program-layout h2 {
  font-size: clamp(1.75rem, 3vw, 2.75rem);
}

@media (max-width: 70rem) {
  .page-home .hero-grid,
  .problem-editorial,
  .semantic-intro,
  .ai-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .hero-grid {
    min-height: auto;
  }

  .page-home .hero-copy {
    max-width: 48rem;
  }

  .page-home .hero-visual {
    width: min(100%, 44rem);
  }

  .problem-copy {
    max-width: 48rem;
  }

  .semantic-definitions,
  .access-modes {
    max-width: 48rem;
  }

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

  .semantic-pipeline li:nth-child(5) {
    border-left: 0;
    border-top: var(--rule-thin) solid var(--color-rule-dark);
  }

  .semantic-pipeline li:nth-child(n + 6) {
    border-top: var(--rule-thin) solid var(--color-rule-dark);
  }

}

@media (max-width: 70rem) {
  .proof-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 56rem) {
  .reuse-heading,
  .proof-heading,
  .method-heading {
    grid-template-columns: minmax(0, 1fr);
  }

  .application-pair {
    grid-template-columns: minmax(0, 1fr);
  }

  .paradigm-lane {
    gap: var(--space-md);
  }
}

@media (max-width: 49rem) {
  .paradigm-lane,
  .paradigm-today,
  .paradigm-fedro {
    grid-template-columns: minmax(0, 1fr);
  }

  .paradigm-today > span,
  .paradigm-today > b {
    grid-column: auto;
  }

  .paradigm-lane > i {
    height: var(--space-xl);
    justify-self: center;
    margin-left: 0;
    width: var(--rule-thin);
  }

  .paradigm-lane > i::after {
    border-bottom: var(--rule-thin) solid currentColor;
    border-right: var(--rule-thin) solid currentColor;
    border-top: 0;
    bottom: 0;
    right: calc(50% - var(--space-2xs));
    top: auto;
  }
}

@media (max-width: 45rem) {
  .page-home .hero-grid {
    gap: var(--space-2xl);
    padding-block-start: var(--space-xl);
    padding-block-end: var(--space-3xl);
  }

  .page-home .hero h1 {
    font-size: clamp(2.35rem, 11vw, 3.65rem);
    max-width: 100%;
  }

  .hero-secondary {
    font-size: 1.35rem;
  }

  .hero-formula {
    display: grid;
    gap: var(--space-2xs);
  }

  .page-home .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-md);
  }

  .problem-section,
  .semantic-section,
  .proof-section,
  .evidence-section,
  .ai-section {
    padding-block: var(--space-3xl);
  }

  .problem-editorial,
  .semantic-intro,
  .ai-layout {
    gap: var(--space-2xl);
  }

  .problem-editorial h2,
  .reuse-heading h2,
  .proof-heading h2 {
    font-size: clamp(2.55rem, 10.5vw, 3.15rem);
  }

  .semantic-intro h2,
  .ai-layout h2,
  .method-heading h2 {
    font-size: clamp(2.25rem, 9.5vw, 2.85rem);
  }

  .problem-copy blockquote {
    font-size: 1.35rem;
  }

  .paradigm {
    margin-top: var(--space-2xl);
  }

  .paradigm-lane {
    gap: var(--space-sm);
    grid-template-columns: minmax(0, 1fr);
    padding-block: var(--space-xl);
  }

  .paradigm-fedro {
    grid-template-columns: minmax(0, 1fr);
  }

  .paradigm-lane > i {
    height: var(--space-xl);
    justify-self: center;
    margin-left: 0;
    width: var(--rule-thin);
  }

  .paradigm-lane > i::after {
    border-bottom: var(--rule-thin) solid currentColor;
    border-right: var(--rule-thin) solid currentColor;
    border-top: 0;
    bottom: 0;
    right: calc(50% - var(--space-2xs));
    top: auto;
  }

  .semantic-definitions article,
  .maturity-ledger > div {
    gap: var(--space-sm);
    grid-template-columns: minmax(0, 1fr);
  }

  .semantic-pipeline {
    margin-top: var(--space-2xl);
  }

  .semantic-pipeline ol {
    grid-template-columns: minmax(0, 1fr);
  }

  .semantic-pipeline li {
    gap: var(--space-xs);
    min-height: 0;
    padding: var(--space-lg);
  }

  .semantic-pipeline li + li,
  .semantic-pipeline li:nth-child(5),
  .semantic-pipeline li:nth-child(n + 6) {
    border-left: 0;
    border-top: var(--rule-thin) solid var(--color-rule-dark);
  }

  .semantic-pipeline li:not(:last-child)::after {
    bottom: calc(var(--space-md) * -0.72);
    left: var(--space-lg);
    right: auto;
    top: auto;
    transform: rotate(90deg);
  }

  .product-proof {
    padding: var(--space-lg);
  }

  .proof-stage {
    padding-top: var(--space-lg);
  }

  .application-pair {
    grid-template-columns: minmax(0, 1fr);
    margin-top: var(--space-2xl);
  }

  .application-brief {
    min-height: 16.5rem;
  }

  .page-home .method-list li {
    min-height: 0;
  }

  .page-home .team-card {
    min-height: 0;
  }
}

@media (max-width: 27rem) {
  .page-manufacturing .hero-actions .button-mint {
    font-size: var(--text-xs);
    padding-inline: var(--space-sm);
  }

  .page-manufacturing .application-card h3 {
    font-size: var(--text-lg);
    overflow-wrap: normal;
  }

  .page-home .hero h1 {
    font-size: clamp(2rem, 9.5vw, 2.75rem);
  }

  .step-map,
  .application-brief__flow {
    grid-template-columns: minmax(0, 1fr);
    justify-items: stretch;
  }

  .step-map i,
  .application-brief__flow > i {
    justify-self: center;
    transform: rotate(90deg);
  }

  .application-brief {
    min-height: 0;
  }

  .page-home .team-card {
    grid-template-columns: 4.25rem minmax(0, 1fr);
  }

  .page-home .team-card img {
    height: 4.25rem;
    width: 4.25rem;
  }

  .page-home .team-card h3 {
    font-size: var(--text-base);
  }
}

@media (max-width: 40rem) {
  .proof-flow {
    grid-template-columns: minmax(0, 1fr);
  }

  .proof-stage {
    grid-template-rows: auto auto auto;
  }

  .proof-query,
  .proof-relations,
  .proof-output,
  .proof-sheet {
    min-height: 9rem;
  }
}

@media (min-width: 70.01rem) and (max-height: 52rem) {
  .page-home .hero-grid {
    min-height: calc(100svh - var(--header-height));
    padding-bottom: var(--space-2xl);
    padding-top: var(--space-lg);
  }

  .page-home .flow-figure {
    max-width: 30rem;
  }
}