/* Hallmark · macrostructure: Split Studio desktop / Light Monolith mobile · theme: studied-DNA (source: TelePrompt concept 03) · tone: austere · audience: public-sector employees · use: authentication · pre-emit critique: P5 H5 E5 S5 R5 V5 */
@import url("./tokens.css");

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

html,
body {
  overflow-x: clip;
}

html {
  min-width: 20rem;
  background: var(--color-fog);
}

body {
  min-height: 100dvh;
  margin: 0;
  background: var(--color-snow);
  color: var(--color-carbon);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: var(--leading-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body[data-variant="gallery"],
body[data-variant="bento"],
body[data-variant="map"] {
  background: var(--color-fog);
}

a {
  color: inherit;
}

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

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

h1,
h2,
p {
  margin: 0;
}

h1,
h2 {
  min-width: 0;
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-toast);
  min-height: 2.75rem;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-carbon);
  color: var(--color-snow);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--dur-short) var(--ease-out);
}

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

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

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

.site-header {
  position: relative;
  z-index: var(--z-raised);
  display: flex;
  width: 100%;
  max-width: var(--page-max);
  min-height: 5rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.site-header--overlay {
  position: absolute;
  inset-block-start: var(--space-lg);
  inset-inline: 50% auto;
  color: var(--color-carbon);
  transform: translateX(-50%);
}

.site-header--overlay .brand-lockup {
  color: var(--color-blue-ink);
}

.site-header--dark {
  color: var(--color-snow);
  background: var(--color-carbon);
}

.brand-lockup {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-sm);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.015em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-lockup img {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
}

.variant-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  border-radius: var(--radius-md);
  color: var(--color-pewter);
  font-size: var(--text-sm);
  text-underline-offset: 0.25rem;
  white-space: nowrap;
}

.site-header--dark .variant-link {
  color: var(--color-snow);
}

.header-note {
  color: var(--color-pewter);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.site-footer {
  display: flex;
  width: 100%;
  max-width: var(--page-max);
  min-height: 4rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
  border-block-start: var(--rule);
  color: var(--color-pewter);
  font-size: var(--text-xs);
}

.site-footer--overlay {
  position: absolute;
  inset-block-end: var(--space-lg);
  inset-inline: 50% auto;
  z-index: var(--z-raised);
  border: 0;
  color: var(--color-carbon);
  transform: translateX(-50%);
}

.site-footer--overlay span:first-child {
  color: var(--color-blue-ink);
}

.quiet-label {
  color: var(--color-pewter);
  font-size: var(--text-sm);
}

.auth-lede {
  max-width: 30rem;
  color: var(--color-pewter);
  font-size: var(--text-base);
}

.auth-actions {
  display: grid;
  gap: var(--space-sm);
}

.auth-button {
  display: grid;
  min-width: 0;
  min-height: var(--control-height);
  grid-template-columns: 2rem minmax(0, 1fr) 1.5rem;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--dur-short) var(--ease-out),
    border-color var(--dur-short) var(--ease-out),
    color var(--dur-short) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
}

.auth-button--primary {
  border-color: var(--color-carbon);
  background: var(--color-carbon);
  color: var(--color-snow);
}

.auth-button--secondary {
  background: var(--color-snow);
  color: var(--color-carbon);
}

.auth-button--plain {
  grid-template-columns: minmax(0, 1fr);
  padding-inline: var(--space-lg);
}

.auth-button__label {
  min-width: 0;
}

.auth-button__label small {
  display: block;
  color: var(--color-pewter);
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
}

.auth-button--primary .auth-button__label small {
  color: var(--color-arctic-mist);
}

.route-glyph {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.route-arrow {
  justify-self: end;
  font-size: var(--text-md);
}

.auth-button:active,
.route-row:active,
.manifesto-route:active,
.map-node[href]:active,
.study-hit:active {
  transform: scale(0.98);
}

.auth-button[aria-disabled="true"],
.route-row[aria-disabled="true"],
.manifesto-route[aria-disabled="true"],
.map-node[aria-disabled="true"],
.auth-button[data-state="loading"],
.route-row[data-state="loading"],
.manifesto-route[data-state="loading"],
.map-node[data-state="loading"] {
  opacity: 0.58;
}

.auth-button[aria-disabled="true"],
.route-row[aria-disabled="true"],
.manifesto-route[aria-disabled="true"],
.map-node[aria-disabled="true"] {
  cursor: not-allowed;
}

.auth-button[data-state="loading"],
.route-row[data-state="loading"],
.manifesto-route[data-state="loading"],
.map-node[data-state="loading"] {
  cursor: progress;
}

.auth-button[data-state="error"],
.route-row[data-state="error"],
.manifesto-route[data-state="error"],
.map-node[data-state="error"] {
  border-color: var(--color-error);
  background: var(--color-error-wash);
  color: var(--color-error);
}

.auth-button[data-state="success"],
.route-row[data-state="success"],
.manifesto-route[data-state="success"],
.map-node[data-state="success"] {
  border-color: var(--color-success);
  background: var(--color-success-wash);
  color: var(--color-success);
}

.route-status {
  min-height: 1.5em;
  color: var(--color-pewter);
  font-size: var(--text-xs);
}

.route-status[data-tone="error"] {
  color: var(--color-error);
}

/* Variant 01 · Split Studio */
.split-shell {
  display: grid;
  width: 100%;
  min-height: 100dvh;
  grid-template-columns: minmax(0, 1.22fr) minmax(20rem, 0.78fr);
  margin: 0;
  overflow: clip;
  background: var(--color-snow);
}

[data-variant="split"] .site-header--overlay {
  max-width: none;
  padding-inline: var(--space-2xl);
}

[data-variant="split"] .site-footer--overlay {
  justify-content: flex-end;
}

[data-variant="split"] .auth-button {
  border-radius: var(--radius-pill);
  text-align: center;
}

.split-brand {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(6rem, 11vw, 8rem) var(--space-2xl) clamp(8rem, 14vw, 10rem);
  overflow: hidden;
  background: var(--color-carbon);
  color: var(--color-snow);
}

.split-brand__mark {
  position: absolute;
  inset-block-start: 12%;
  inset-inline-end: -11%;
  width: min(34rem, 72%);
  height: auto;
  opacity: 0.36;
}

.split-brand__copy {
  position: relative;
  z-index: var(--z-base);
  display: grid;
  max-width: 34rem;
  gap: var(--space-lg);
}

.split-brand h1 {
  max-width: 13ch;
  min-width: 0;
  font-size: clamp(2.75rem, 4.35vw, 4.25rem);
  line-height: var(--leading-tight);
  overflow-wrap: anywhere;
}

.split-brand p {
  max-width: 31rem;
  font-size: var(--text-md);
}

.auth-pane {
  display: grid;
  min-width: 0;
  place-items: center;
  padding: var(--space-3xl) var(--space-xl);
}

.auth-pane__content {
  display: grid;
  width: min(100%, 25rem);
  gap: var(--space-lg);
}

.auth-pane h2 {
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
}

[data-variant="split"] .reveal {
  opacity: 0;
  transform: translateY(0.5rem);
  animation: reveal var(--dur-long) var(--ease-out) forwards;
}

[data-variant="split"] .split-brand__copy {
  animation-delay: 80ms;
}

[data-variant="split"] .auth-pane {
  animation-delay: 140ms;
}

/* Hallmark · macrostructure: Bento Grid · theme: studied-DNA · tone: austere · motion: one-shot */
.bento-shell {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding: var(--space-md) var(--page-gutter) var(--space-xl);
}

.bento-grid {
  display: grid;
  min-height: calc(100dvh - 10rem);
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: minmax(10rem, 0.75fr) minmax(14rem, 1fr) minmax(
      9rem,
      0.65fr
    );
  gap: var(--space-md);
}

.bento-cell {
  min-width: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-snow);
}

.bento-cell--intro {
  display: flex;
  grid-column: 1 / 8;
  grid-row: 1 / 3;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-xl);
  padding: var(--space-xl);
}

.bento-cell--intro p {
  max-width: 31rem;
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.045em;
  line-height: var(--leading-tight);
}

.bento-cell--intro img {
  width: clamp(6rem, 16vw, 12rem);
  height: auto;
  opacity: 0.9;
}

.bento-cell--blue {
  display: flex;
  grid-column: 8 / 13;
  grid-row: 1;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl);
  background: var(--color-blue-wash);
  color: var(--color-link-blue-deep);
  font-size: clamp(3rem, 7vw, 7rem);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.bento-cell--auth {
  display: flex;
  grid-column: 8 / 13;
  grid-row: 2 / 4;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-xl);
  padding: var(--space-xl);
}

.bento-cell--auth h1 {
  margin-block: var(--space-xs);
  font-size: clamp(2.25rem, 4vw, 3.75rem);
  line-height: var(--leading-tight);
}

.bento-cell--note {
  display: flex;
  grid-column: 1 / 8;
  grid-row: 3;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-carbon);
  color: var(--color-snow);
}

.bento-cell--note p {
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  line-height: var(--leading-heading);
}

.bento-cell--note span {
  color: var(--color-arctic-mist);
  font-size: var(--text-xs);
}

[data-variant="bento"] .reveal {
  opacity: 0;
  transform: translateY(0.5rem);
  animation: reveal var(--dur-long) var(--ease-out) forwards;
}

[data-variant="bento"] .bento-cell:nth-child(2) {
  animation-delay: 70ms;
}

[data-variant="bento"] .bento-cell:nth-child(3) {
  animation-delay: 120ms;
}

[data-variant="bento"] .bento-cell:nth-child(4) {
  animation-delay: 170ms;
}

/* Hallmark · macrostructure: Index-First · theme: studied-DNA · tone: austere · motion: static */
.index-shell {
  width: 100%;
  max-width: var(--page-max);
  min-height: calc(100dvh - 9rem);
  margin-inline: auto;
  padding: clamp(3rem, 8vw, 7rem) var(--page-gutter) var(--space-2xl);
}

.index-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(16rem, 0.65fr);
  align-items: end;
  gap: var(--space-2xl);
  padding-block-end: var(--space-2xl);
}

.index-intro h1 {
  font-size: var(--text-display);
  line-height: var(--leading-tight);
}

.index-intro p {
  max-width: 28rem;
  color: var(--color-pewter);
}

.route-index {
  border-block-start: var(--rule);
}

.route-row {
  display: grid;
  min-height: 8rem;
  grid-template-columns: 3rem minmax(0, 1.5fr) minmax(10rem, 0.65fr) 2rem;
  align-items: center;
  gap: var(--space-lg);
  padding-inline: var(--space-xs);
  border-block-end: var(--rule);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition:
    background-color var(--dur-short) var(--ease-out),
    color var(--dur-short) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
}

.route-row__number {
  color: var(--color-stone);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.route-row__title {
  min-width: 0;
  font-size: clamp(1.5rem, 3vw, 2.75rem);
  font-weight: var(--weight-medium);
  letter-spacing: -0.035em;
  line-height: var(--leading-heading);
  white-space: nowrap;
}

.route-row__meta {
  color: var(--color-pewter);
  font-size: var(--text-sm);
}

.route-row__arrow {
  color: var(--color-link-blue);
  font-size: var(--text-lg);
}

.route-status--index {
  margin-block-start: var(--space-md);
}

/* Hallmark · macrostructure: Manifesto · theme: studied-DNA · tone: brutal-austere · motion: static */
body[data-variant="manifesto"] {
  background: var(--color-carbon);
  color: var(--color-snow);
}

.manifesto-shell {
  display: grid;
  width: 100%;
  max-width: var(--page-max);
  min-height: calc(100dvh - 5rem);
  grid-template-columns: minmax(0, 1.15fr) minmax(22rem, 0.85fr);
  margin-inline: auto;
}

.manifesto-message {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-2xl) var(--page-gutter);
  overflow: hidden;
  background: var(--color-carbon);
  color: var(--color-snow);
}

.manifesto-message img {
  position: absolute;
  inset-block-start: 6%;
  inset-inline-end: -8%;
  width: min(22rem, 48%);
  height: auto;
  opacity: 0.14;
}

.manifesto-message h1 {
  position: relative;
  z-index: var(--z-base);
  font-size: clamp(3.5rem, 8vw, 7rem);
  line-height: 1.02;
  text-transform: uppercase;
}

.manifesto-message h1 span {
  color: var(--color-link-blue);
}

.manifesto-message p {
  margin-block-start: var(--space-xl);
  font-size: var(--text-md);
}

.manifesto-auth {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-2xl);
  padding: var(--space-2xl) var(--space-xl);
  background: var(--color-snow);
  color: var(--color-carbon);
}

.manifesto-auth__heading {
  display: grid;
  gap: var(--space-sm);
}

.manifesto-auth__heading h2 {
  font-size: var(--text-xl);
}

.manifesto-auth__heading p {
  color: var(--color-pewter);
}

.manifesto-actions {
  display: grid;
  border-block-start: var(--rule);
}

.manifesto-route {
  display: flex;
  min-height: 5.5rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-inline: var(--space-xs);
  border-block-end: var(--rule);
  border-radius: var(--radius-sm);
  font-size: var(--text-md);
  font-weight: var(--weight-medium);
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--dur-short) var(--ease-out),
    color var(--dur-short) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
}

.manifesto-route small {
  display: block;
  color: var(--color-pewter);
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
}

.route-status--manifesto {
  margin-block-start: calc(var(--space-lg) * -1);
}

/* Hallmark · macrostructure: Map / Diagram · theme: studied-DNA · tone: technical-austere · motion: cut */
.map-shell {
  width: 100%;
  max-width: var(--page-max);
  min-height: calc(100dvh - 9rem);
  margin-inline: auto;
  padding: var(--space-xl) var(--page-gutter) var(--space-2xl);
}

.map-intro {
  display: grid;
  max-width: 60rem;
  grid-template-columns: minmax(0, 1.2fr) minmax(17rem, 0.8fr);
  align-items: end;
  gap: var(--space-2xl);
}

.map-intro h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: var(--leading-tight);
}

.map-intro p {
  color: var(--color-pewter);
}

.route-map {
  position: relative;
  height: 29rem;
  margin-block-start: var(--space-xl);
  overflow: hidden;
  border: var(--rule);
  border-radius: var(--radius-lg);
  background: var(--color-snow);
}

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

.route-map__lines path,
.route-map__lines circle {
  fill: none;
  stroke: var(--color-link-blue);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.route-map__lines circle {
  fill: var(--color-link-blue);
}

.map-node {
  position: absolute;
  z-index: var(--z-base);
  display: flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-sm);
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-md);
  background: var(--color-snow);
  color: var(--color-carbon);
}

.map-node[href] {
  min-width: 19rem;
  min-height: 5.5rem;
  padding: var(--space-md);
  text-decoration: none;
  transition:
    background-color var(--dur-short) var(--ease-out),
    border-color var(--dur-short) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
}

.map-node--center {
  inset-block-start: 50%;
  inset-inline-start: 50%;
  width: 10rem;
  height: 10rem;
  flex-direction: column;
  justify-content: center;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  transform: translate(-50%, -50%);
}

.map-node--center img {
  width: 5.25rem;
  height: 5.25rem;
  object-fit: contain;
}

.map-node--center span {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.map-node--email {
  inset-block-start: 3.5rem;
  inset-inline-start: 3.5rem;
}

.map-node--education {
  inset-inline-end: 3.5rem;
  inset-block-end: 3.5rem;
}

.map-node__code {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-blue-wash);
  color: var(--color-link-blue-deep);
  font-weight: var(--weight-semibold);
}

.map-node__copy {
  display: grid;
  min-width: 0;
  flex: 1;
  gap: var(--space-2xs);
}

.map-node__copy strong {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  white-space: nowrap;
}

.map-node__copy small {
  color: var(--color-pewter);
  font-size: var(--text-xs);
}

.map-node__arrow {
  color: var(--color-link-blue);
  font-size: var(--text-md);
}

.route-status--map {
  margin-block-start: var(--space-md);
}

/* Hallmark · macrostructure: Catalogue · theme: studied-DNA · page: study gallery */
.gallery-main {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding: var(--space-xl) var(--page-gutter) var(--space-3xl);
}

.gallery-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.6fr);
  align-items: end;
  gap: var(--space-2xl);
  padding-block: var(--space-xl) var(--space-2xl);
}

.gallery-intro h1 {
  font-size: var(--text-display);
  line-height: var(--leading-tight);
}

.gallery-intro p {
  max-width: 30rem;
  color: var(--color-pewter);
}

.study-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-lg);
}

.study-card {
  position: relative;
  display: block;
  min-width: 0;
  min-height: 23rem;
  grid-column: span 6;
  overflow: hidden;
  border: var(--rule);
  border-radius: var(--radius-lg);
  background: var(--color-snow);
  text-decoration: none;
  transition:
    border-color var(--dur-short) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
}

.study-card--wide {
  grid-column: span 12;
  min-height: 31rem;
}

.study-card iframe {
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 80rem;
  height: 50rem;
  border: 0;
  pointer-events: none;
  transform: scale(0.45);
  transform-origin: top left;
}

.study-hit {
  position: absolute;
  inset: 0;
  z-index: calc(var(--z-raised) + 1);
  border-radius: inherit;
}

.study-card--wide iframe {
  transform: scale(0.72);
}

.study-caption {
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  z-index: var(--z-raised);
  display: flex;
  min-height: 3.75rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-inline: var(--space-md);
  border-block-start: var(--rule);
  background: var(--color-snow);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.study-caption span {
  white-space: nowrap;
}

.study-caption > span:last-child {
  color: var(--color-link-blue-deep);
}

.site-footer--gallery {
  background: var(--color-fog);
}

/* Hallmark · genre: modern-minimal · macrostructure: Catalogue · theme: studied-DNA (source: TelePrompt Base) · enrichment: none · nav: N9 · footer: Ft5 · pre-emit critique: P5 H5 E5 S5 R5 V5 · contrast: pass (40–41) · slop: pass (42–49) · mobile: pass (34, 49, 50–57) · icons: pass (30) */
body[data-variant="dual"] {
  display: grid;
  min-height: 100dvh;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background: var(--color-snow);
}

.dual-header {
  display: flex;
  width: 100%;
  max-width: var(--page-max);
  min-height: 5rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.dual-wordmark {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.dual-header__context {
  color: var(--color-pewter);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.dual-main {
  display: grid;
  width: min(100%, 61rem);
  align-content: center;
  gap: var(--space-2xl);
  margin-inline: auto;
  padding: var(--space-2xl) var(--page-gutter) var(--space-3xl);
}

.dual-intro {
  display: grid;
  justify-items: center;
  gap: var(--space-sm);
  text-align: center;
}

.dual-intro h1 {
  font-size: clamp(2.25rem, 8vw, 3.75rem);
  line-height: var(--leading-tight);
}

.dual-intro p {
  color: var(--color-pewter);
  font-size: var(--text-md);
}

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

.dual-option {
  display: grid;
  min-width: 0;
  align-content: start;
  gap: var(--space-lg);
}

.dual-option__copy {
  display: grid;
  gap: var(--space-xs);
}

.dual-option h2 {
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
}

.dual-option p {
  max-width: 28rem;
  color: var(--color-pewter);
}

.dual-route {
  display: inline-flex;
  width: 100%;
  min-height: var(--control-height);
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-lg);
  border: 1px solid var(--color-carbon);
  border-radius: var(--radius-pill);
  font-weight: var(--weight-medium);
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--dur-short) var(--ease-out),
    color var(--dur-short) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
}

.dual-route--primary {
  background: var(--color-carbon);
  color: var(--color-snow);
}

.dual-route--secondary {
  background: var(--color-snow);
  color: var(--color-carbon);
}

.dual-route[data-state="loading"] {
  cursor: wait;
  opacity: 0.62;
  pointer-events: none;
}

.dual-route[data-state="error"] {
  border-color: var(--color-error);
  background: var(--color-error-wash);
  color: var(--color-error);
}

.dual-divider {
  width: 100%;
  height: 1px;
  background: var(--color-arctic-mist);
}

.dual-option__domain {
  margin-block-start: calc(var(--space-sm) * -1);
  color: var(--color-link-blue-deep);
  font-size: var(--text-sm);
  text-align: center;
}

.dual-status {
  min-height: 1.5em;
  color: var(--color-pewter);
  font-size: var(--text-sm);
  text-align: center;
}

.dual-status[data-tone="error"] {
  color: var(--color-error);
}

.dual-footer {
  display: grid;
  width: 100%;
  max-width: var(--page-max);
  gap: var(--space-xs);
  margin-inline: auto;
  padding: var(--space-lg) var(--page-gutter);
  border-block-start: var(--rule);
}

.dual-footer p {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.015em;
}

.dual-footer span {
  color: var(--color-pewter);
  font-size: var(--text-sm);
}

@media (min-width: 48rem) {
  .dual-main {
    gap: var(--space-2xl);
    padding-block: var(--space-xl) var(--space-2xl);
  }

  .dual-options {
    grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr);
    align-items: stretch;
    gap: var(--space-2xl);
  }

  .dual-divider {
    width: 1px;
    height: 100%;
  }

  .dual-option {
    grid-template-rows: minmax(6.5rem, auto) auto auto;
  }

  .dual-footer {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: var(--space-xl);
  }
}

@keyframes reveal {
  to {
    opacity: 1;
    transform: none;
  }
}

@media (hover: hover) and (pointer: fine) {
  .variant-link:hover {
    color: var(--color-carbon);
  }

  .site-header--dark .variant-link:hover {
    color: var(--color-link-blue);
  }

  .auth-button:hover,
  .map-node[href]:hover {
    transform: translateY(-1px);
  }

  .auth-button--primary:hover {
    background: var(--color-carbon-soft);
  }

  .auth-button--secondary:hover,
  .map-node[href]:hover {
    border-color: var(--color-stone);
    background: var(--color-fog);
  }

  .route-row:hover {
    background: var(--color-fog);
  }

  .manifesto-route:hover {
    background: var(--color-blue-wash);
  }

  .study-card:hover {
    border-color: var(--color-stone);
    transform: translateY(-1px);
  }

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

  .dual-route--primary:hover {
    background: var(--color-carbon-soft);
  }

  .dual-route--secondary:hover {
    background: var(--color-fog);
  }
}

@media (min-width: 60rem) {
  [data-variant="split"] .site-header,
  [data-variant="split"] .site-footer {
    padding-inline: calc(var(--page-gutter) + var(--space-md));
  }
}

@media (max-width: 64rem) {
  .study-card iframe {
    transform: scale(0.36);
  }

  .study-card--wide iframe {
    transform: scale(0.56);
  }
}

@media (max-width: 52rem) {
  .header-note {
    display: none;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-2xs);
  }

  .split-shell {
    display: block;
    position: relative;
    isolation: isolate;
    width: 100%;
    min-height: 100dvh;
    margin: 0;
    border-radius: 0;
    background: var(--color-snow);
  }

  .site-header--overlay {
    inset-block-start: 0;
  }

  [data-variant="split"] .site-header--overlay {
    min-height: 4.5rem;
    padding-inline: var(--page-gutter);
  }

  .site-header--overlay .brand-lockup {
    color: var(--color-carbon);
  }

  .site-header--overlay .variant-link {
    color: var(--color-pewter);
  }

  .split-brand {
    position: absolute;
    z-index: 0;
    inset: 0;
    min-height: 100%;
    padding: 0;
    background: transparent;
    color: var(--color-carbon);
    pointer-events: none;
  }

  .split-brand__mark {
    inset-block-start: -4rem;
    inset-inline-end: -7rem;
    width: 23rem;
    opacity: 1;
    filter: invert(1);
  }

  .split-brand__copy {
    display: none;
  }

  .auth-pane {
    position: relative;
    z-index: var(--z-base);
    min-height: 100dvh;
    place-items: start center;
    padding: clamp(18.5rem, 46svh, 24rem) var(--page-gutter)
      max(var(--space-xl), env(safe-area-inset-bottom));
    background: transparent;
  }

  .auth-pane__content {
    gap: 0;
  }

  .auth-pane h2 {
    font-size: 2rem;
    font-weight: var(--weight-medium);
  }

  .auth-lede {
    margin-block-start: var(--space-sm);
    font-size: 0.9375rem;
  }

  .auth-pane .auth-actions {
    margin-block-start: var(--space-lg);
  }

  .auth-pane .route-status {
    margin-block-start: var(--space-sm);
  }

  .site-footer--overlay {
    position: absolute;
    inset-block-end: var(--space-md);
    align-items: flex-start;
    color: var(--color-pewter);
  }

  [data-variant="split"] .site-footer--overlay {
    justify-content: center;
  }

  .site-footer--overlay span:first-child {
    color: var(--color-pewter);
  }

  .bento-grid {
    min-height: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto;
  }

  .bento-cell--intro,
  .bento-cell--blue,
  .bento-cell--auth,
  .bento-cell--note {
    grid-column: auto;
    grid-row: auto;
  }

  .bento-cell--intro {
    min-height: 25rem;
    grid-column: 1 / 3;
  }

  .bento-cell--blue {
    min-height: 11rem;
  }

  .bento-cell--auth {
    min-height: 31rem;
  }

  .bento-cell--note {
    min-height: 11rem;
  }

  .index-intro,
  .map-intro,
  .gallery-intro {
    grid-template-columns: minmax(0, 1fr);
  }

  .route-row {
    min-height: 7rem;
    grid-template-columns: 2.5rem minmax(0, 1fr) 2rem;
    gap: var(--space-sm);
  }

  .route-row__meta {
    display: none;
  }

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

  .manifesto-message {
    min-height: 38rem;
    padding-block: var(--space-3xl);
  }

  .manifesto-auth {
    min-height: 32rem;
    padding-inline: var(--page-gutter);
  }

  .route-map {
    display: grid;
    height: auto;
    gap: var(--space-md);
    padding: var(--space-lg);
  }

  .route-map__lines {
    display: none;
  }

  .map-node,
  .map-node--center,
  .map-node--email,
  .map-node--education {
    position: static;
    width: 100%;
    transform: none;
  }

  .map-node--center {
    min-height: 11rem;
    border-radius: var(--radius-lg);
  }

  .map-node[href] {
    min-width: 0;
  }

  .study-card,
  .study-card--wide {
    min-height: 24rem;
    grid-column: span 12;
  }

  .study-card iframe,
  .study-card--wide iframe {
    transform: scale(0.5);
  }
}

@media (max-width: 40rem) {
  .site-header {
    min-height: 4rem;
  }

  .brand-lockup img {
    width: 2rem;
    height: 2rem;
  }

  .site-footer {
    padding-block: var(--space-md);
  }

  .split-brand {
    min-height: 100%;
  }

  .split-brand__mark {
    inset-block-start: -3rem;
    inset-inline-end: -7rem;
    width: 21rem;
  }

  [data-variant="split"] .site-header--overlay {
    min-height: 4rem;
    padding-inline: max(1.25rem, env(safe-area-inset-left));
  }

  .auth-pane {
    min-height: 100dvh;
    padding: clamp(18rem, 46svh, 22rem) max(1.25rem, env(safe-area-inset-left))
      max(2rem, env(safe-area-inset-bottom));
  }

  .auth-pane h2 {
    font-size: clamp(1.75rem, 7.5vw, 2rem);
    font-weight: var(--weight-medium);
  }

  .auth-button {
    padding-inline: var(--space-md);
  }

  .bento-shell {
    padding-inline: var(--space-md);
  }

  .bento-grid {
    display: flex;
    flex-direction: column;
  }

  .bento-cell--intro {
    min-height: 23rem;
    align-items: flex-start;
    flex-direction: column-reverse;
    justify-content: space-between;
    padding: var(--space-lg);
  }

  .bento-cell--intro p {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .bento-cell--blue {
    display: none;
  }

  .bento-cell--auth {
    min-height: 29rem;
    padding: var(--space-lg);
  }

  .bento-cell--note {
    min-height: 9rem;
    padding: var(--space-lg);
  }

  .index-shell {
    padding-block-start: var(--space-2xl);
  }

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

  .index-intro h1 {
    font-size: clamp(2.75rem, 14vw, 4rem);
  }

  .route-row {
    min-height: 6rem;
  }

  .route-row__title {
    font-size: clamp(1.125rem, 5.2vw, 1.5rem);
  }

  .manifesto-message {
    min-height: 32rem;
  }

  .manifesto-message h1 {
    font-size: clamp(3.25rem, 17vw, 5.5rem);
  }

  .manifesto-auth {
    min-height: 30rem;
  }

  .manifesto-route {
    font-size: var(--text-base);
  }

  .map-shell {
    padding-inline: var(--space-md);
  }

  .map-intro {
    gap: var(--space-lg);
  }

  .map-intro h1 {
    font-size: clamp(2.5rem, 12vw, 3.75rem);
  }

  .route-map {
    padding: var(--space-md);
  }

  .map-node[href] {
    min-height: 5rem;
  }

  .map-node__copy strong {
    font-size: var(--text-sm);
  }

  .gallery-main {
    padding-inline: var(--space-md);
  }

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

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

  .study-card,
  .study-card--wide {
    min-height: 18rem;
  }

  .study-card iframe,
  .study-card--wide iframe {
    transform: scale(0.3);
  }
}

@media (pointer: coarse) {
  .auth-button,
  .variant-link,
  .brand-lockup,
  .manifesto-route,
  .map-node[href],
  .dual-wordmark,
  .dual-route {
    min-height: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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