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

html {
  scroll-behavior: smooth;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-sans);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
  margin: 0;
  overflow-wrap: break-word;
  background: var(--page);
  color: var(--ink);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  word-break: keep-all;
}

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

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

img {
  height: auto;
}

a {
  color: inherit;
}

button,
input,
summary {
  font: inherit;
}

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

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

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

fieldset {
  min-width: 0;
  padding: 0;
  border: 0;
}

button[hidden] {
  display: none;
}

:focus-visible {
  outline: var(--focus-width) solid var(--focus);
  outline-offset: var(--space-1);
}

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

.skip-link {
  position: fixed;
  inset-block-start: var(--space-3);
  inset-inline-start: var(--space-3);
  z-index: 100;
  min-height: var(--control-min);
  padding: var(--space-2) var(--space-4);
  background: var(--ink);
  color: var(--page);
  translate: 0 calc((100% + var(--space-6)) * -1);
  transition: translate var(--dur-instant) var(--ease-out);
}

.skip-link:focus {
  translate: 0 0;
}

.wrap {
  width: min(calc(100% - (var(--page-pad) * 2)), var(--wide));
  margin-inline: auto;
}

.eyebrow,
.head-meta,
.tab-num,
.panel-index,
.product-id,
.tech-line,
.product-meta,
.ledger,
.record-list time,
.record-list > li > span,
.site-foot {
  font-variant-numeric: tabular-nums;
}

.eyebrow {
  color: var(--ink-muted);
  font-size: var(--text-xs);
  font-weight: 650;
  letter-spacing: var(--tracking-label);
}

.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: var(--control-min);
  text-decoration-thickness: var(--hairline);
  text-underline-offset: var(--space-2);
}

.text-link::after {
  content: "↗";
  margin-inline-start: var(--space-2);
  transition: translate var(--dur-instant) var(--ease-out);
}

.text-link:hover::after,
.text-link:focus-visible::after {
  translate: var(--space-1) calc(var(--space-1) * -1);
}

/* Header */
.site-head {
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 20;
  color: var(--ink);
}

.head-inner {
  min-height: var(--header-h);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-5);
  border-block-end: var(--hairline) solid var(--line);
}

.wordmark {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: var(--control-min);
  gap: var(--space-3);
  color: inherit;
  font-size: var(--text-sm);
  font-weight: 720;
  letter-spacing: var(--tracking-label);
  text-decoration: none;
  white-space: nowrap;
}

.wordmark-mark {
  position: relative;
  width: 1.5rem;
  height: 1.5rem;
  display: inline-grid;
  place-items: center;
  border: var(--hairline) solid currentColor;
}

.wordmark-mark i {
  position: absolute;
  background: currentColor;
}

.wordmark-mark i:first-child {
  width: var(--hairline);
  height: 100%;
}

.wordmark-mark i:last-child {
  width: 100%;
  height: var(--hairline);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(var(--space-4), 3vw, var(--space-6));
}

.nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  min-height: var(--control-min);
  color: inherit;
  font-size: var(--text-sm);
  font-weight: 560;
  text-decoration: none;
  white-space: nowrap;
}

.nav a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  height: var(--hairline);
  background: currentColor;
  scale: 0 1;
  transform-origin: left;
  transition: scale var(--dur-quick) var(--ease-out);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  scale: 1 1;
}

.head-meta {
  justify-self: end;
  color: var(--ink-muted);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
  white-space: nowrap;
}

/* Hero */
.hero {
  position: relative;
  min-height: max(48rem, 100svh);
  isolation: isolate;
  background: var(--page);
  overflow: clip;
}

.hero-stage {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--surface);
}

.hero-stage::before,
.hero-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.hero-stage::before {
  background: var(--core-scrim);
}

.hero-stage::after {
  background: var(--core-vignette);
}

.core-poster,
.core-poster img,
#coreCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.core-poster {
  z-index: 1;
  opacity: 1;
  transition: opacity var(--dur-normal) var(--ease-soft);
}

.core-poster img {
  object-fit: cover;
  object-position: center;
}

#coreCanvas {
  z-index: 2;
  max-width: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-normal) var(--ease-soft);
}

.hero[data-webgl="ready"] .core-poster {
  opacity: 0;
}

.hero[data-webgl="ready"] #coreCanvas {
  opacity: 1;
}

.hero[data-webgl="fallback"] .core-poster {
  opacity: 1;
  transition: none;
}

.hero[data-webgl="fallback"] #coreCanvas {
  opacity: 0;
  transition: none;
}

.hero-grid {
  min-height: max(48rem, 100svh);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: var(--space-5);
  padding-block: calc(var(--header-h) + var(--space-6)) var(--space-4);
}

.hero-copy {
  align-self: center;
  max-width: var(--measure);
  padding-block: var(--space-6);
}

.hero-copy .eyebrow {
  margin-block-end: var(--space-4);
}

.hero-copy h1 {
  max-width: 13ch;
  color: var(--ink);
  font-size: var(--text-display);
  font-weight: 560;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
}

.hero-lead {
  max-width: var(--measure-narrow);
  margin-block-start: var(--space-5);
  color: var(--ink-muted);
  font-size: var(--text-lead);
  line-height: var(--leading-body);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-block-start: var(--space-5);
}

.button {
  position: relative;
  isolation: isolate;
  min-height: var(--control-min);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  border: var(--hairline) solid var(--signal);
  border-radius: var(--radius);
  background: var(--signal);
  color: var(--signal-ink);
  font-size: var(--text-sm);
  font-weight: 650;
  text-decoration: none;
  transition: translate var(--dur-instant) var(--ease-out), scale var(--dur-instant) var(--ease-out);
}

.button::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--ink);
  opacity: 0;
  transition: opacity var(--dur-instant) var(--ease-out);
}

.button:hover,
.button:focus-visible {
  translate: 0 calc(var(--space-1) * -1);
}

.button:hover::before,
.button:focus-visible::before {
  opacity: 0.12;
}

.button:active {
  translate: 0 0;
  scale: 0.98;
}

/* Field selector */
.fields {
  width: 100%;
  align-self: end;
}

.fields fieldset {
  position: relative;
}

.field-radio {
  position: absolute;
  z-index: 1;
  inset-block-start: 0;
  width: 25%;
  height: calc(var(--control-min) + var(--space-4));
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.field-radio:nth-of-type(1) {
  inset-inline-start: 0;
}

.field-radio:nth-of-type(2) {
  inset-inline-start: 25%;
}

.field-radio:nth-of-type(3) {
  inset-inline-start: 50%;
}

.field-radio:nth-of-type(4) {
  inset-inline-start: 75%;
}

.field-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--surface);
  border-block: var(--hairline) solid var(--line-strong);
}

.field-tabs label {
  position: relative;
  min-width: 0;
  min-height: calc(var(--control-min) + var(--space-4));
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-inline-start: var(--hairline) solid var(--line);
  color: var(--ink-muted);
  cursor: pointer;
}

.field-tabs label:first-child {
  border-inline-start: 0;
}

.field-tabs label::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-start: calc(var(--hairline) * -1);
  height: calc(var(--hairline) * 3);
  background: var(--signal);
  scale: 0 1;
  transform-origin: left;
  transition: scale var(--dur-quick) var(--ease-out);
}

.field-tabs label:hover {
  color: var(--ink);
}

.tab-num {
  color: var(--ink-soft);
  font-size: var(--text-xs);
}

.tab-long,
.tab-short {
  overflow: hidden;
  font-size: var(--text-sm);
  font-weight: 580;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tab-short {
  display: none;
}

#field-edu:checked ~ .field-tabs label[for="field-edu"],
#field-dc:checked ~ .field-tabs label[for="field-dc"],
#field-gov:checked ~ .field-tabs label[for="field-gov"],
#field-plant:checked ~ .field-tabs label[for="field-plant"] {
  color: var(--ink);
}

#field-edu:checked ~ .field-tabs label[for="field-edu"]::before,
#field-dc:checked ~ .field-tabs label[for="field-dc"]::before,
#field-gov:checked ~ .field-tabs label[for="field-gov"]::before,
#field-plant:checked ~ .field-tabs label[for="field-plant"]::before {
  scale: 1 1;
}

#field-edu:focus-visible ~ .field-tabs label[for="field-edu"],
#field-dc:focus-visible ~ .field-tabs label[for="field-dc"],
#field-gov:focus-visible ~ .field-tabs label[for="field-gov"],
#field-plant:focus-visible ~ .field-tabs label[for="field-plant"] {
  outline: var(--focus-width) solid var(--focus);
  outline-offset: calc(var(--focus-width) * -1);
}

.field-panels {
  width: 100%;
  min-height: 12.5rem;
  margin-block-end: var(--space-4);
  background: var(--surface);
}

.field-panel {
  display: none;
  grid-template-columns: minmax(0, 25rem) minmax(0, 28rem) minmax(4rem, 1fr);
  gap: var(--space-5);
  padding: var(--space-4);
  background: var(--surface);
  border-inline-start: calc(var(--hairline) * 3) solid var(--signal);
}

.field-panel::after {
  content: attr(data-panel) " / active field";
  align-self: end;
  justify-self: end;
  color: var(--ink-soft);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
}

#field-edu:checked ~ .field-panels [data-panel="edu"],
#field-dc:checked ~ .field-panels [data-panel="dc"],
#field-gov:checked ~ .field-panels [data-panel="gov"],
#field-plant:checked ~ .field-panels [data-panel="plant"] {
  display: grid;
}

.panel-index {
  margin-block-end: var(--space-3);
  color: var(--signal-strong);
  font-size: var(--text-xs);
  font-weight: 650;
  letter-spacing: var(--tracking-label);
}

.panel-what {
  max-width: var(--measure-narrow);
  font-size: var(--text-sm);
  font-weight: 580;
  line-height: 1.6;
}

.panel-facts {
  display: grid;
  align-content: start;
}

.panel-facts div {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: var(--space-2);
  padding-block: var(--space-1);
  border-block-start: var(--hairline) solid var(--line);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.panel-facts dt {
  color: var(--ink-soft);
}

.panel-facts dd {
  min-width: 0;
}

.motion-toggle {
  min-height: var(--control-min);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0;
  border: 0;
  border-block-end: var(--hairline) solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--ink-muted);
  font-size: var(--text-xs);
  cursor: pointer;
  transition: color var(--dur-instant) var(--ease-out), translate var(--dur-instant) var(--ease-out);
}

.motion-toggle::before {
  content: "Ⅱ";
  width: 1em;
  color: var(--signal-strong);
  font-size: 0.75em;
  font-weight: 760;
  text-align: center;
}

.motion-toggle[aria-pressed="true"]::before {
  content: "▶";
}

.motion-toggle:hover,
.motion-toggle:focus-visible {
  color: var(--ink);
  translate: 0 calc(var(--space-1) * -1);
}

.motion-toggle:active {
  translate: 0 0;
}

/* Shared sections */
.section {
  padding-block: var(--space-9);
  background: var(--page);
}

.section-intro {
  max-width: var(--measure);
}

.section-intro .eyebrow {
  margin-block-end: var(--space-4);
}

.section-intro h2,
.contact h2 {
  max-width: 15ch;
  font-size: var(--text-h2);
  font-weight: 560;
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

.section-intro > p:last-child {
  max-width: var(--measure-narrow);
  margin-block-start: var(--space-5);
  color: var(--ink-muted);
}

.section-intro-wide h2 {
  max-width: 22ch;
}

/* Proof */
.proof {
  border-block-start: var(--hairline) solid var(--line);
}

.proof-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-7);
  align-items: start;
}

.counts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-block-start: var(--hairline) solid var(--line-strong);
}

.counts div {
  min-width: 0;
  padding: var(--space-4) var(--space-3) var(--space-5);
  border-inline-start: var(--hairline) solid var(--line);
}

.counts div:first-child {
  border-inline-start: 0;
}

.counts dt {
  min-height: 3em;
  color: var(--ink-muted);
  font-size: var(--text-xs);
}

.counts dd {
  margin-block-start: var(--space-4);
  font-size: clamp(2.25rem, 1.6rem + 2vw, 3.5rem);
  font-weight: 540;
  line-height: 1;
  letter-spacing: var(--tracking-heading);
  font-variant-numeric: tabular-nums;
}

.counts dd span {
  margin-inline-start: var(--space-1);
  color: var(--ink-muted);
  font-size: var(--text-sm);
  letter-spacing: 0;
}

.source-note {
  grid-column: 2;
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: var(--text-xs);
}

.source-note a,
.record-list h3 a {
  color: inherit;
  text-decoration-color: var(--line-strong);
  text-decoration-thickness: var(--hairline);
  text-underline-offset: 0.22em;
}

.source-note a {
  display: inline-block;
  min-height: 1.5rem;
  line-height: 1.5rem;
}

.record-list h3 a,
.contact-list a,
.model-credit a {
  display: inline-block;
  min-height: 1.5rem;
  line-height: 1.5rem;
}

.source-note a:hover,
.record-list h3 a:hover {
  text-decoration-color: var(--signal);
}

/* Operating principles */
.principles {
  padding-block-start: 0;
}

.principle-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-block-start: var(--space-7);
  border-block: var(--hairline) solid var(--line-strong);
}

.principle-list li {
  min-width: 0;
  padding: var(--space-5) var(--space-4) var(--space-6);
  border-inline-start: var(--hairline) solid var(--line);
}

.principle-list li:first-child {
  border-inline-start: 0;
}

.principle-list p {
  color: var(--signal-strong);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
}

.principle-list h3 {
  margin-block: var(--space-5) var(--space-3);
  font-size: var(--text-h3);
  font-weight: 540;
}

.principle-list span {
  color: var(--ink-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* Products */
.products {
  background: var(--inverse);
  color: var(--inverse-ink);
}

.products .section-intro .eyebrow,
.products .section-intro > p:last-child {
  color: var(--inverse-muted);
}

.product-list {
  margin-block-start: var(--space-8);
  border-block-start: var(--hairline) solid var(--inverse-line);
}

.product-list > li {
  display: grid;
  grid-template-columns: minmax(5rem, 0.45fr) minmax(0, 1.55fr) minmax(12rem, 0.7fr);
  gap: var(--space-5);
  padding-block: var(--space-6);
  border-block-end: var(--hairline) solid var(--inverse-line);
}

.product-id {
  color: var(--inverse-muted);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-label);
}

.product-main h3 {
  margin-block-end: var(--space-4);
  font-size: clamp(2.25rem, 1.8rem + 1.5vw, 3.5rem);
  font-weight: 520;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-heading);
}

.product-main > p:not(.tech-line) {
  max-width: var(--measure);
  color: var(--inverse-muted);
}

.tech-line {
  margin-block-start: var(--space-4);
  color: var(--inverse-signal);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.product-link {
  min-height: var(--control-min);
  display: inline-flex;
  align-items: center;
  margin-block-start: var(--space-4);
  color: var(--inverse-ink);
  font-size: var(--text-sm);
  text-underline-offset: 0.28em;
}

.product-link::after {
  content: "↗";
  margin-inline-start: var(--space-2);
  color: var(--inverse-signal);
}

.product-meta {
  align-self: end;
}

.product-meta div {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: var(--space-3);
  padding-block: var(--space-2);
  border-block-start: var(--hairline) solid var(--inverse-line);
  font-size: var(--text-xs);
}

.product-meta dt {
  color: var(--inverse-muted);
}

/* Ledger */
.ledger-section {
  border-block-end: var(--hairline) solid var(--line);
}

.ledger-grid {
  display: grid;
  grid-template-columns: minmax(17rem, 0.75fr) minmax(0, 1.65fr);
  gap: var(--space-7);
  align-items: start;
}

.sticky-intro {
  position: sticky;
  inset-block-start: var(--space-5);
}

.table-wrap {
  min-width: 0;
}

.ledger {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: var(--text-sm);
  line-height: 1.55;
}

.ledger thead {
  color: var(--ink-muted);
  font-size: var(--text-xs);
}

.ledger th,
.ledger td {
  padding: var(--space-3) var(--space-2);
  border-block-end: var(--hairline) solid var(--line);
  text-align: start;
  vertical-align: top;
}

.ledger th:first-child,
.ledger td:first-child {
  width: 4.25rem;
}

.ledger th:nth-child(2) {
  width: 28%;
}

.ledger th:nth-child(3),
.ledger td:nth-child(3) {
  width: 4.75rem;
}

.ledger tbody th {
  color: var(--ink);
  font-weight: 620;
}

.ledger tbody td {
  color: var(--ink-muted);
}

.ledger-focus {
  background: var(--surface);
  box-shadow: inset calc(var(--hairline) * 3) 0 0 var(--signal);
}

/* Company */
.company-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: var(--space-8) var(--space-7);
}

.partners {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-self: start;
  border-block-start: var(--hairline) solid var(--line-strong);
}

.partners li {
  min-width: 0;
  padding: var(--space-3) var(--space-2);
  border-block-end: var(--hairline) solid var(--line);
  color: var(--ink-muted);
  font-size: var(--text-sm);
}

.archive {
  grid-column: 1 / -1;
  border-block-start: var(--hairline) solid var(--line-strong);
}

.archive summary {
  min-height: calc(var(--control-min) + var(--space-3));
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-4);
  padding-block: var(--space-3);
  cursor: pointer;
  list-style: none;
}

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

.archive summary span:first-child {
  font-size: var(--text-h3);
  font-weight: 560;
  letter-spacing: var(--tracking-heading);
}

.archive summary span:last-child {
  color: var(--ink-muted);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.archive summary::after {
  content: "+";
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  margin-inline-start: var(--space-5);
  color: var(--signal);
  font-size: var(--text-h3);
  line-height: 1;
}

.archive[open] summary::after {
  content: "−";
}

.record-list {
  border-block-start: var(--hairline) solid var(--line);
}

.record-list > li {
  display: grid;
  grid-template-columns: minmax(7rem, 0.35fr) minmax(0, 1.4fr) minmax(5rem, 0.3fr);
  gap: var(--space-5);
  padding-block: var(--space-4);
  border-block-end: var(--hairline) solid var(--line);
}

.record-list time,
.record-list > li > span {
  color: var(--ink-soft);
  font-size: var(--text-xs);
}

.record-list > li > span {
  justify-self: end;
}

.record-list h3 {
  font-size: var(--text-body);
  font-weight: 620;
  line-height: 1.45;
}

.record-list p {
  margin-block-start: var(--space-1);
  color: var(--ink-muted);
  font-size: var(--text-sm);
}

.career-body {
  padding-block: var(--space-4) var(--space-6);
  border-block-start: var(--hairline) solid var(--line);
}

.career-body > p {
  max-width: var(--measure);
  color: var(--ink-muted);
}

.jobs {
  margin-block: var(--space-5);
}

.jobs li {
  display: grid;
  grid-template-columns: minmax(12rem, 0.6fr) minmax(0, 1.4fr) auto;
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-block-start: var(--hairline) solid var(--line);
}

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

.jobs span,
.jobs em {
  color: var(--ink-muted);
  font-size: var(--text-xs);
  font-style: normal;
}

/* Contact */
.contact {
  padding-block: var(--space-9) var(--space-8);
  background: var(--signal);
  color: var(--signal-ink);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: var(--space-7);
}

.contact-grid > * {
  min-width: 0;
}

.contact .eyebrow {
  margin-block-end: var(--space-4);
  color: var(--signal-ink);
}

.contact h2 {
  max-width: 10ch;
  font-size: var(--text-display);
}

.contact-main > p {
  max-width: var(--measure-narrow);
  font-size: var(--text-lead);
}

.contact-mail {
  display: inline-block;
  max-width: 100%;
  margin-block: var(--space-7);
  color: inherit;
  font-size: clamp(1.7rem, 1.15rem + 2.25vw, 3.5rem);
  font-weight: 520;
  line-height: 1.1;
  letter-spacing: var(--tracking-heading);
  text-decoration-thickness: var(--hairline);
  text-underline-offset: var(--space-3);
  overflow-wrap: anywhere;
}

.contact-list {
  border-block-start: var(--hairline) solid currentColor;
}

.contact-list div {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-block-end: var(--hairline) solid currentColor;
  font-size: var(--text-sm);
}

.contact-list div > *,
.contact-list dd {
  min-width: 0;
}

.contact-list dt {
  color: inherit;
}

.contact-list a {
  max-width: 100%;
  overflow-wrap: anywhere;
  text-underline-offset: var(--space-1);
}

/* Footer */
.site-foot {
  padding-block: var(--space-5);
  background: var(--inverse);
  color: var(--inverse-ink);
  font-size: var(--text-xs);
}

.foot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: var(--space-5);
  align-items: center;
}

.foot-grid p:nth-child(2) {
  color: var(--inverse-muted);
}

.model-credit {
  grid-column: 1 / -1;
  padding-block-start: var(--space-4);
  border-block-start: var(--hairline) solid var(--inverse-line);
  color: var(--inverse-muted);
  font-size: var(--text-xs);
  line-height: 1.7;
}

.model-credit a {
  color: var(--inverse-ink);
  text-underline-offset: 0.18em;
}

/* Tablet */
@media (max-width: 62rem) {
  .head-inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .head-meta {
    display: none;
  }

  .hero-stage::before {
    opacity: 0.94;
  }

  .proof-grid,
  .ledger-grid,
  .company-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .proof-grid,
  .ledger-grid,
  .contact-grid {
    gap: var(--space-6);
  }

  .source-note {
    grid-column: 1;
  }

  .sticky-intro {
    position: static;
  }

  .product-list > li {
    grid-template-columns: minmax(4rem, 0.25fr) minmax(0, 1fr);
  }

  .product-meta {
    grid-column: 2;
  }

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

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

  .principle-list li:nth-child(3) {
    border-inline-start: 0;
  }

  .principle-list li:nth-child(n + 3) {
    border-block-start: var(--hairline) solid var(--line);
  }
}

/* Mobile */
@media (max-width: 43rem) {
  .site-head {
    position: relative;
  }

  .head-inner {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: var(--space-2);
    padding-block: var(--space-3);
  }

  .wordmark {
    min-height: var(--control-min);
  }

  .nav {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: var(--space-2);
  }

  .nav a {
    min-width: 0;
    min-height: var(--control-min);
    flex: 1 1 5rem;
  }

  .hero {
    min-height: 0;
    overflow: visible;
  }

  .hero-stage {
    position: relative;
    z-index: 0;
    height: min(52svh, 29rem);
    box-shadow: var(--shadow-core);
    overflow: clip;
  }

  .hero-stage::before {
    display: none;
  }

  .core-poster img {
    object-position: 69% center;
  }

  .hero-grid {
    min-height: 0;
    display: block;
    padding-block: var(--space-6) var(--space-7);
  }

  .hero-copy {
    max-width: none;
    padding-block: 0;
  }

  .hero-copy h1 {
    max-width: none;
    font-size: clamp(1.75rem, 8.8vw, 2.35rem);
    white-space: normal;
  }

  .hero-lead {
    max-width: 31rem;
  }

  .fields {
    margin-block-start: var(--space-6);
  }

  .field-tabs {
    order: 0;
  }

  .field-tabs label {
    min-height: calc(var(--control-min) + var(--space-3));
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    padding: var(--space-2) calc(var(--space-2) + 2px);
  }

  .field-radio {
    height: calc(var(--control-min) + var(--space-3));
  }

  .tab-long {
    display: none;
  }

  .tab-short {
    display: block;
    max-width: 100%;
    font-size: var(--text-xs);
    overflow: visible;
    overflow-wrap: anywhere;
    text-overflow: clip;
    white-space: normal;
  }

  .tab-num {
    font-size: 0.6875rem;
  }

  .field-panels {
    width: 100%;
    min-height: 0;
    margin-block: var(--space-4) 0;
  }

  .field-panel {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--surface);
  }

  .field-panel::after {
    display: none;
  }

  .sr-only {
    overflow-wrap: anywhere;
    white-space: normal;
  }

  .panel-facts div {
    grid-template-columns: 4rem minmax(0, 1fr);
  }

  .section {
    padding-block: var(--space-8);
  }

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

  .counts div:nth-child(3) {
    border-inline-start: 0;
  }

  .counts div:nth-child(n + 3) {
    border-block-start: var(--hairline) solid var(--line);
  }

  .counts dt {
    min-height: 0;
  }

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

  .principle-list li,
  .principle-list li:nth-child(3) {
    border-inline-start: 0;
  }

  .principle-list li:nth-child(n + 2) {
    border-block-start: var(--hairline) solid var(--line);
  }

  .product-list {
    margin-block-start: var(--space-7);
  }

  .product-list > li {
    grid-template-columns: 1fr;
    gap: var(--space-3);
    padding-block: var(--space-5);
  }

  .product-meta {
    grid-column: 1;
    margin-block-start: var(--space-3);
  }

  .product-main h3 {
    font-size: 2.25rem;
  }

  .table-wrap {
    overflow: visible;
  }

  .ledger,
  .ledger tbody,
  .ledger tr,
  .ledger th,
  .ledger td {
    display: block;
    width: 100%;
  }

  .ledger thead {
    display: none;
  }

  .ledger tr {
    position: relative;
    padding-block: var(--space-4);
    border-block-end: var(--hairline) solid var(--line);
  }

  .ledger th,
  .ledger td {
    padding: 0 var(--space-2);
    border: 0;
  }

  .ledger tbody th {
    margin-block: var(--space-2) var(--space-3);
    padding-inline-end: 4.5rem;
    font-size: var(--text-body);
  }

  .ledger td:first-child {
    color: var(--signal-strong);
    font-size: var(--text-xs);
  }

  .ledger td:nth-child(3) {
    position: absolute;
    inset-block-start: var(--space-4);
    inset-inline-end: var(--space-2);
    width: auto;
    padding-inline: 0;
    font-size: var(--text-xs);
  }

  .ledger td:last-child {
    font-size: var(--text-xs);
  }

  .ledger td::before {
    content: attr(data-label) " · ";
    color: var(--ink-soft);
  }

  .ledger td:first-child::before,
  .ledger td:nth-child(3)::before {
    content: "";
  }

  .ledger-focus {
    padding-inline-start: var(--space-3);
  }

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

  .archive summary span:first-child {
    font-size: var(--text-body);
  }

  .archive summary::after {
    margin-inline-start: var(--space-2);
    font-size: var(--text-body);
  }

  .record-list > li,
  .jobs li {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .record-list > li > span {
    justify-self: start;
  }

  .contact h2 {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .contact-mail {
    margin-block: var(--space-6);
  }

  .contact-list div {
    grid-template-columns: 5.5rem minmax(0, 1fr);
  }

  .foot-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

@media (max-width: 23rem) {
  .field-tabs label {
    padding-inline: var(--space-1);
  }

  .tab-short {
    font-size: 0.6875rem;
  }
}

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

  #coreCanvas {
    display: none;
  }

  .hero[data-webgl="ready"] .core-poster {
    opacity: 1;
  }

  .text-link::after,
  .button,
  .button::before,
  .nav a::after,
  .field-tabs label::before,
  .motion-toggle,
  .core-poster,
  #coreCanvas {
    transition: none;
  }
}

/* 현장 선택은 히어로의 보조 장식이 아니라 제품 상세로 이어지는 첫 과업이다. */
@media (min-width: 43.0625rem) {
  .hero,
  .hero-grid {
    min-height: 40rem;
  }

  .hero-grid {
    padding-block: calc(var(--header-h) + var(--space-5)) var(--space-3);
    gap: var(--space-3);
  }

  .hero-copy {
    align-self: start;
    max-width: 42rem;
    padding-block: var(--space-3);
  }

  .hero-copy h1 {
    font-size: clamp(2.45rem, 4vw, 4.1rem);
  }

  .hero-lead {
    margin-block-start: var(--space-3);
    font-size: 0.9375rem;
    line-height: 1.65;
  }

  .hero-actions {
    margin-block-start: var(--space-3);
  }

  .field-tabs label {
    min-height: calc(var(--control-min) + var(--space-3));
    padding: var(--space-2) var(--space-3);
  }

  .field-panels {
    min-height: 10.5rem;
    margin-block-end: 0;
  }

  .field-panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.15fr) minmax(7rem, 0.55fr);
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
  }

  .panel-what,
  .panel-facts div,
  .product-meta div {
    font-size: 0.9375rem;
    line-height: 1.6;
  }

  .panel-facts div,
  .product-meta div {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    padding-block: var(--space-2);
  }
}

@media print {
  .site-head,
  .motion-toggle,
  #coreCanvas {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-stage {
    position: relative;
    height: 28rem;
  }

  .archive:not([open]) > *:not(summary) {
    display: block;
  }
}