/* Hallmark · macrostructure: Map / Diagram · genre: editorial · theme: Grid · nav: N9 Edge-aligned · footer: Ft2 Inline · enrichment: E5 custom responsibility map */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R4 V5 · contrast: pass (40–41) · mobile: pass (34, 49–57) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) */
html {
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-md);
}

body {
  position: relative;
  overflow-x: clip;
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

header,
main,
footer {
  position: relative;
  z-index: var(--z-base);
}

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

a {
  min-height: 44px;
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: var(--space-2xs);
}

h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin: 0;
  min-width: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-style: normal;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

h1,
h2 {
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.02;
  text-transform: lowercase;
}

h1 {
  max-width: 14ch;
  font-size: var(--text-display);
}

h2 {
  font-size: var(--text-2xl);
}

h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

p {
  max-width: 65ch;
}

.shell {
  width: 100%;
  max-width: 90rem;
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.page-rails {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  width: 100%;
  max-width: 90rem;
  margin-inline: auto;
  pointer-events: none;
}

.page-rails span {
  border-inline-start: var(--rule-hair) solid var(--color-rule-soft);
}

.page-rails span:last-child {
  border-inline-end: var(--rule-hair) solid var(--color-rule-soft);
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-dark);
  color: var(--color-dark-ink);
  transform: translateY(-200%);
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-bottom: var(--rule-bold) solid var(--color-ink);
}

.identity {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  min-width: 0;
}

.identity__name {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
}

.identity__name:hover {
  color: var(--color-accent);
}

.identity__role {
  padding-inline-start: var(--space-md);
  border-inline-start: var(--rule-hair) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 48px;
  padding: var(--space-sm) var(--space-md);
  border: var(--rule-bold) solid var(--color-accent);
  border-radius: var(--radius-none);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  transition: background-color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

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

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

.button[aria-disabled="true"] {
  border-color: var(--color-rule);
  background: var(--color-paper-3);
  color: var(--color-muted);
  cursor: not-allowed;
  opacity: 0.55;
}

.button--small {
  min-height: 44px;
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-sm);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  min-height: 44px;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: var(--rule-hair);
  text-underline-offset: var(--space-2xs);
  white-space: nowrap;
}

.text-link:hover {
  color: var(--color-accent);
}

.text-link:active {
  color: var(--color-ink);
}

.hero {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: var(--space-xl);
  padding-block: var(--space-xl) var(--space-2xl);
}

.hero__copy {
  display: grid;
  align-content: center;
  gap: var(--space-lg);
}

.signal-square {
  display: inline-block;
  width: 0.52em;
  height: 0.52em;
  margin-inline-start: var(--space-2xs);
  background: var(--color-accent);
}

.hero__lede {
  max-width: 52ch;
  color: var(--color-ink-2);
  font-size: var(--text-md);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md) var(--space-lg);
}

.responsibility-map {
  min-width: 0;
}

.map__desktop {
  width: 100%;
  height: auto;
  overflow: visible;
}

.map__connectors path {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 3;
}

.map__core {
  fill: var(--color-ink);
  stroke: var(--color-accent);
  stroke-width: 2;
}

.map__core-label {
  fill: var(--color-paper);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
}

.map__node {
  cursor: pointer;
}

.map__node rect {
  fill: var(--color-paper);
  stroke: var(--color-ink);
  stroke-width: 2;
  transition: fill var(--dur-micro) var(--ease-out), stroke var(--dur-micro) var(--ease-out);
}

.map__node text {
  fill: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-map-label);
  font-weight: 600;
  transition: fill var(--dur-micro) var(--ease-out);
}

.map__node:hover rect,
.map__node:active rect {
  fill: var(--color-accent);
  stroke: var(--color-accent);
}

.map__node:hover text,
.map__node:active text {
  fill: var(--color-accent-ink);
}

.map__node:focus-visible {
  outline: none;
}

.map__node:focus-visible rect {
  stroke: var(--color-focus);
  stroke-width: 4;
}

.map__mobile {
  display: none;
}

.responsibility-map figcaption {
  margin-block-start: var(--space-md);
  color: var(--color-muted);
  font-size: var(--text-sm);
  text-align: center;
}

.section-rule {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space-2xl);
  padding-block: var(--space-3xl);
  border-top: var(--rule-bold) solid var(--color-ink);
}

.section-intro {
  display: grid;
  align-content: start;
  gap: var(--space-lg);
}

.section-intro p {
  color: var(--color-ink-2);
}

.fact-register {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: var(--rule-hair) solid var(--color-rule);
  border-inline-start: var(--rule-hair) solid var(--color-rule);
}

.fact-register > div {
  padding: var(--space-lg);
  border-inline-end: var(--rule-hair) solid var(--color-rule);
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

.fact-register dt {
  font-size: var(--text-2xl);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  text-transform: lowercase;
}

.fact-register dd {
  margin-block-start: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.principles {
  position: relative;
  background: var(--color-dark);
  color: var(--color-dark-ink);
}

.principles__rails {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.principles__rails path {
  fill: none;
  stroke: var(--color-dark-rule);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.principles__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space-2xl);
  padding-block: var(--space-3xl);
}

.principles__list {
  border-top: var(--rule-hair) solid var(--color-dark-rule);
}

.principles__list > div {
  display: grid;
  grid-template-columns: minmax(10rem, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-lg);
  padding-block: var(--space-md);
  border-bottom: var(--rule-hair) solid var(--color-dark-rule);
}

.principles__list dt {
  color: var(--color-dark-ink);
  font-size: var(--text-md);
  font-weight: 700;
}

.principles__list dd {
  color: var(--color-dark-muted);
}

.timeline {
  border-top: var(--rule-bold) solid var(--color-ink);
}

.role {
  display: grid;
  grid-template-columns: minmax(9rem, 0.35fr) minmax(0, 1fr);
  gap: var(--space-lg);
  padding-block: var(--space-lg);
  border-bottom: var(--rule-hair) solid var(--color-rule);
}

.role time {
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.role h3 {
  margin-block-end: var(--space-xs);
}

.role p {
  color: var(--color-ink-2);
}

.expertise__list {
  border-top: var(--rule-bold) solid var(--color-ink);
}

.expertise details {
  border-bottom: var(--rule-hair) solid var(--color-rule);
  scroll-margin-top: var(--space-md);
}

.expertise details:target {
  background: var(--color-paper-2);
}

.expertise summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 64px;
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  list-style: none;
  white-space: nowrap;
  cursor: pointer;
}

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

.expertise summary span {
  color: var(--color-accent);
  font-size: var(--text-2xl);
  font-weight: 400;
  transition: transform var(--dur-micro) var(--ease-out);
}

.expertise details[open] summary span {
  transform: rotate(45deg);
}

.expertise summary:active {
  color: var(--color-accent);
}

.expertise details p {
  padding-block-end: var(--space-lg);
  color: var(--color-ink-2);
}

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

.credentials__grid article,
.languages {
  padding-block-start: var(--space-md);
  border-top: var(--rule-bold) solid var(--color-ink);
}

.credentials__grid h3 {
  margin-block-end: var(--space-xs);
}

.credentials__grid p {
  color: var(--color-ink-2);
}

.languages {
  grid-column: 1 / -1;
}

.languages dl {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
  margin-block-start: var(--space-md);
}

.languages dl > div {
  display: flex;
  gap: var(--space-xs);
}

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

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  padding-block: var(--space-2xl);
  border-top: var(--rule-bold) solid var(--color-ink);
  background: var(--color-paper-2);
}

.contact h2 {
  margin-block-end: var(--space-md);
}

.contact p {
  color: var(--color-ink-2);
}

.contact__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex-shrink: 0;
  gap: var(--space-md);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md) var(--space-lg);
  padding-block: var(--space-lg) var(--space-xl);
  border-top: var(--rule-hair) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.footer a {
  display: inline-flex;
  align-items: center;
  margin-inline-start: auto;
  color: var(--color-ink);
  text-decoration: underline;
  text-underline-offset: var(--space-2xs);
  white-space: nowrap;
}

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

.footer a:active {
  color: var(--color-ink);
}

@keyframes map-enter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .responsibility-map {
    animation: map-enter var(--dur-short) var(--ease-out) both;
  }
}

@media (max-width: 60rem) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__copy {
    max-width: 44rem;
  }

  .responsibility-map {
    width: 100%;
    max-width: 44rem;
  }

  .section-rule,
  .principles__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-xl);
  }

  .section-intro {
    max-width: 44rem;
  }
}

@media (max-width: 40rem) {
  .identity {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2xs);
  }

  .identity__name {
    font-size: var(--text-md);
  }

  .identity__role {
    padding-inline-start: 0;
    border-inline-start: 0;
    font-size: var(--text-xs);
  }

  h1 {
    font-size: var(--text-display-s);
  }

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

  .map__desktop {
    display: none;
  }

  .map__mobile {
    display: block;
  }

  .map__mobile-core {
    position: relative;
    display: grid;
    place-items: center;
    width: 7rem;
    min-height: 64px;
    margin: 0 auto var(--space-lg);
    background: var(--color-ink);
    color: var(--color-paper);
    font-size: var(--text-lg);
    font-weight: 800;
  }

  .map__mobile-core::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    height: var(--space-lg);
    border-inline-start: var(--rule-bold) solid var(--color-accent);
  }

  .map__mobile-nodes {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-md);
    padding-block-start: var(--space-md);
  }

  .map__mobile-nodes::before {
    content: "";
    position: absolute;
    top: 0;
    right: 25%;
    left: 25%;
    border-top: var(--rule-bold) solid var(--color-accent);
  }

  .map__mobile-nodes a {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 64px;
    padding: var(--space-xs);
    border: var(--rule-hair) solid var(--color-ink);
    font-size: var(--text-sm);
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
  }

  .map__mobile-nodes a::before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    height: var(--space-md);
    border-inline-start: var(--rule-bold) solid var(--color-accent);
  }

  .map__mobile-nodes a:hover,
  .map__mobile-nodes a:active {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-accent-ink);
  }

  .fact-register > div {
    padding: var(--space-md);
  }

  .fact-register dt {
    font-size: var(--text-xl);
  }

  .fact-register dd {
    font-size: var(--text-sm);
  }

  .principles__list > div {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-xs);
  }

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

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

  .contact {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .footer a {
    margin-inline-start: 0;
  }
}

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

  .responsibility-map {
    animation: none;
  }

  .button,
  .map__node rect,
  .map__node text,
  .expertise summary span {
    transition: none;
  }
}

@media print {
  .page-rails,
  .principles__rails,
  .site-header .button,
  .hero__actions,
  .contact__actions,
  .skip-link {
    display: none;
  }

  body,
  .principles,
  .contact {
    background: var(--color-paper);
    color: var(--color-ink);
  }

  .hero,
  .section-rule,
  .principles__inner {
    grid-template-columns: minmax(0, 1fr);
    padding-block: var(--space-lg);
  }

  .principles__list dt,
  .principles__list dd {
    color: var(--color-ink);
  }

  .role,
  .fact-register > div,
  .credentials__grid article {
    break-inside: avoid;
  }
}