/* Editorial B2B foundation. Brand and type roles come from generated tokens.css. */
*, *::before, *::after { box-sizing: border-box; }
/* Defensive anti-FOUC & off-canvas isolation */
[hidden], dialog:not([open]), .modal:not(.active), .drawer:not(.active), .mobile-drawer:not(.active), .compass-modal-overlay:not(.active) {
  display: none !important;
}
body {
  margin: 0;
  background: var(--brand-surface-card, #fff);
  color: var(--text-primary, #0f172a);
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: var(--text-body, 1rem);
  line-height: 1.65;
}
button, input, select, textarea { font: inherit; }
a { color: inherit; text-underline-offset: .22em; }
a:hover { text-decoration-thickness: .12em; }
:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--focus-color, #0f172a);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px #fff;
}
:where(h1, h2, h3, p, li, a, label, th, td, figcaption) { overflow-wrap: anywhere; }
:where(h1, h2, h3) {
  font-family: var(--font-display, var(--font-body, system-ui, sans-serif));
  color: inherit;
  font-weight: 650;
  text-wrap: balance;
}
h1 { margin-block: .45em .6em; font-size: var(--text-display, clamp(2.25rem, 1.65rem + 2.7vw, 4rem)); line-height: 1.12; letter-spacing: -.035em; }
h2 { margin-block: 0 .6em; font-size: var(--text-section, clamp(1.625rem, 1.4rem + .9vw, 2.25rem)); line-height: 1.25; letter-spacing: -.02em; }
h3 { margin-block: 0 .65em; font-size: 1.125rem; line-height: 1.4; }
p { max-inline-size: var(--reading-width, 65ch); margin-block: 0 1em; }
:where(ul, ol) { padding-inline-start: 1.3em; }
li + li { margin-block-start: .5em; }
:where(img, video) { display: block; max-inline-size: 100%; block-size: auto; }
:where(header, main, footer, section, article, form, figure, .field, .hero-copy, .hero-media, .hero-aside) { min-inline-size: 0; }
body > header, main, body > footer {
  inline-size: min(calc(100% - clamp(2rem, 6vw, 7rem)), var(--content-width, 75rem));
  margin-inline: auto;
}
body > header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
  padding-block: 1.25rem;
  border-block-end: 1px solid var(--brand-border, #cbd5e1);
}
.brand { display: inline-flex; align-items: center; min-block-size: 2.75rem; max-inline-size: 22rem; font-weight: 750; font-size: 1.2rem; line-height: 1.3; text-decoration: none; }
.brand-mark { inline-size: auto; max-inline-size: min(100%, 12rem); max-block-size: 4rem; object-fit: contain; }
header nav { display: flex; flex: 1 1 28rem; flex-wrap: wrap; gap: .25rem 1.25rem; }
header nav a { display: inline-flex; align-items: center; min-block-size: 2.75rem; font-size: var(--text-small, .875rem); text-decoration: none; }
header nav a:hover, header nav a[aria-current="page"] { text-decoration: underline; text-decoration-thickness: .12em; }
header .header-action { flex: 0 1 auto; }
.eyebrow { margin-block: 0 .75rem; color: var(--text-secondary, #475569); font-size: var(--text-small, .875rem); font-weight: 650; letter-spacing: .07em; }
.intro, .hero { padding-block: var(--section-space, clamp(2.5rem, 5vw, 5rem)); }
.intro { max-inline-size: 58rem; }
.intro h1, .hero h1 { max-inline-size: 21ch; }
.intro > p:last-child, .hero-copy > p:not(.eyebrow) { font-size: clamp(1rem, .96rem + .25vw, 1.1875rem); color: var(--text-secondary, #475569); }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  border-block-start: 0;
}
.hero-copy > :last-child { margin-block-end: 0; }
.hero-media { margin: 0; background: var(--brand-surface, #f8fafc); }
.hero-media img { inline-size: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.hero-media figcaption { padding: .75rem 1rem; }
.hero-aside { padding: clamp(1.25rem, 3vw, 2rem); border-block-start: 3px solid var(--control-border, #64748b); background: var(--brand-surface, #f8fafc); }
.hero-aside h2 { font-size: 1.25rem; letter-spacing: 0; }
.hero-aside > a { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-block: .75rem; min-block-size: 2.75rem; border-block-end: 1px solid currentColor; text-decoration: none; }
.hero-aside > a:hover { text-decoration: underline; }
.hero-aside :last-child { margin-block-end: 0; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-block-start: var(--space-4, 2rem); }
.button, button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-block-size: 2.75rem;
  max-inline-size: 100%;
  padding: .75rem 1.15rem;
  border: 1px solid var(--control-border, #64748b);
  border-radius: var(--radius-sm, 4px);
  background: var(--brand-primary, #334155);
  color: var(--text-on-primary, #fff);
  font: inherit;
  font-weight: 650;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  white-space: normal;
  overflow-wrap: anywhere;
  cursor: pointer;
}
.button:hover, button:hover { text-decoration: underline; text-underline-offset: .2em; }
.button:active, button:active { box-shadow: inset 0 0 0 2px currentColor; }
.button.secondary { background: transparent; color: var(--text-primary, #0f172a); border-color: var(--control-border, #64748b); }
button:disabled { background: var(--brand-surface, #f8fafc); color: var(--text-secondary, #475569); border-color: var(--brand-border, #cbd5e1); cursor: not-allowed; text-decoration: none; }
form[aria-busy="true"] button { cursor: progress; }
.section-nav { display: flex; flex-wrap: wrap; gap: .35rem 1.5rem; padding-block: .85rem; border-block: 1px solid var(--brand-border, #cbd5e1); }
.section-nav a { display: inline-flex; align-items: center; min-block-size: 2.75rem; font-size: var(--text-small, .875rem); }
section { padding-block: var(--section-space, clamp(2.5rem, 5vw, 5rem)); border-block-start: 1px solid var(--brand-border, #cbd5e1); scroll-margin-block-start: 1.5rem; }
.section-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 1rem 3rem; margin-block-end: var(--space-4, 2rem); }
.section-head h2 { flex: 1 1 18rem; margin-block-end: 0; }
.section-head > p { flex: 1 1 24rem; margin-block-end: 0; color: var(--text-secondary, #475569); }
article { padding-block: 1.5rem; }
article + article { border-block-start: 1px solid var(--brand-border, #cbd5e1); }
article > :last-child { margin-block-end: 0; }
.conditions { color: var(--text-secondary, #475569); font-size: var(--text-small, .875rem); line-height: 1.6; }
figure { margin: 2rem 0; }
figure img { max-inline-size: 100%; }
figcaption { margin-block-start: .6rem; color: var(--text-secondary, #475569); font-size: var(--text-small, .875rem); line-height: 1.55; }
.link-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 2rem; }
.link-card { display: flex; flex-direction: column; min-inline-size: 0; padding-block: 1.5rem; border-block-start: 1px solid var(--control-border, #64748b); text-decoration: none; }
.link-card h3 { font-size: 1.25rem; }
.link-card p { color: var(--text-secondary, #475569); margin-block-end: .75rem; }
.link-card:hover h3 { text-decoration: underline; text-underline-offset: .18em; }
.link-card > :last-child { margin-block-end: 0; }
.table-scroll { max-inline-size: 100%; overflow-x: auto; overscroll-behavior-inline: contain; margin-block: 1.5rem; }
table { inline-size: 100%; min-inline-size: 34rem; border-collapse: collapse; text-align: start; }
caption { text-align: start; font-weight: 650; margin-block-end: 1rem; }
th, td { padding: 1rem 1.15rem; border-block-end: 1px solid var(--brand-border, #cbd5e1); vertical-align: top; line-height: 1.55; }
thead { background: var(--brand-surface, #f8fafc); }
th { font-weight: 650; }
td { font-variant-numeric: tabular-nums; }
form { display: grid; gap: 1rem; max-inline-size: 42rem; }
label, legend { font-weight: 650; }
fieldset { min-inline-size: 0; margin: 0; padding: 0; border: 0; }
input:not([type="checkbox"]):not([type="radio"]), select, textarea {
  display: block;
  inline-size: 100%;
  min-inline-size: 0;
  min-block-size: 2.75rem;
  padding: .75rem;
  border: 1px solid var(--control-border, #64748b);
  border-radius: var(--radius-sm, 4px);
  background: var(--brand-surface-card, #fff);
  color: var(--text-primary, #0f172a);
  line-height: 1.5;
}
textarea { min-block-size: 9rem; resize: vertical; }
input[type="checkbox"], input[type="radio"] { inline-size: 1.25rem; block-size: 1.25rem; margin-inline-end: .5rem; vertical-align: middle; }
::placeholder { color: var(--text-secondary, #475569); opacity: 1; }
input:disabled, textarea:disabled, select:disabled { background: var(--brand-surface, #f8fafc); cursor: not-allowed; }
[aria-invalid="true"] { border-color: #9b2424 !important; box-shadow: inset 0 0 0 1px #9b2424; }
output { display: block; margin-block-start: .75rem; white-space: pre-line; font-variant-numeric: tabular-nums; }
.inquiry-panel { margin-block: var(--section-space, 4rem); padding: clamp(1.25rem, 4vw, 3rem); border: 1px solid var(--brand-border, #cbd5e1); background: var(--brand-surface, #f8fafc); }
.inquiry-panel form { max-inline-size: none; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem 1.5rem; }
.field { display: grid; align-content: start; gap: .5rem; }
.field:has(textarea), .field.full-width, .inquiry-panel form > :is(button, .actions, .form-status, p, fieldset) { grid-column: 1 / -1; }
.inquiry-panel form > button { justify-self: start; }
.field-error { margin: 0; color: #9b2424; font-size: var(--text-small, .875rem); font-weight: 550; }
.field-error:empty, .form-status:empty { display: none; }
.form-status { margin: 0; padding: 1rem; border-inline-start: 3px solid var(--control-border, #64748b); background: var(--brand-surface-card, #fff); }
.form-status[data-state="error"], .form-status[data-state="invalid"] { color: #9b2424; border-color: #9b2424; }
.form-status[data-state="accepted"] { color: #166534; border-color: #166534; }
body > footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 1rem 2rem; margin-block-start: 2rem; padding-block: 2rem; border-block-start: 1px solid var(--brand-border, #cbd5e1); font-size: var(--text-small, .875rem); }
footer p { margin: 0; }
footer a { display: inline-flex; align-items: center; min-block-size: 2.75rem; }
.preview { padding: .8rem max(1rem, 3vw); background: #fff2ca; color: #493a14; font-size: var(--text-small, .875rem); }
.skip { position: absolute; inset-block-start: .75rem; inset-inline-start: 1rem; z-index: 100; max-inline-size: calc(100% - 2rem); transform: translateY(calc(-100% - 1rem)); padding: .85rem 1rem; background: #fff; color: #0f172a; }
.skip:focus { transform: none; }

/* Distinct procurement structures; all retain the same DOM reading order. */
main[data-layout="engineering"] .hero-aside { border-block-start-width: 1px; border-inline-start: 3px solid var(--control-border, #64748b); }
main[data-layout="engineering"] section > article { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.7fr); gap: .5rem 3rem; }
main[data-layout="engineering"] section > article .conditions { grid-column: 2; }
main[data-layout="engineering"] .link-card h3, main[data-layout="engineering"] table { font-variant-numeric: tabular-nums; }
main[data-layout="materials"] .hero { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
main[data-layout="materials"] .hero h1 { max-inline-size: 17ch; }
main[data-layout="materials"] .hero:has(> .hero-aside) { grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr); align-items: start; }
main[data-layout="materials"] .hero:has(> .hero-aside) h1 { max-inline-size: 23ch; }
main[data-layout="materials"] .hero-media img { aspect-ratio: 5 / 4; }
main[data-layout="materials"] .link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 3rem; }
main[data-layout="materials"] > figure img { inline-size: 100%; max-block-size: 42rem; object-fit: contain; }
main[data-layout="oem"] .hero-aside { border: 0; background: var(--brand-primary, #334155); color: var(--text-on-primary, #fff); }
main[data-layout="oem"] .hero-aside :is(p, h2, h3, a, .eyebrow) { color: inherit; }
main[data-layout="oem"] section > article { margin-block: 1rem; padding-inline-start: 1.5rem; border-block-start: 0; border-inline-start: 2px solid var(--control-border, #64748b); }
main[data-layout="oem"] .link-card { padding-inline: 1.25rem; border-block-start: 2px solid var(--control-border, #64748b); background: var(--brand-surface, #f8fafc); }
main[data-layout="oem"] .link-grid { gap: 1.25rem; }
main[data-layout="evidence"] .hero { align-items: start; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); }
main[data-layout="evidence"] h1 { font-size: min(var(--text-display, 3.5rem), 3.5rem); letter-spacing: -.025em; }
main[data-layout="evidence"] section > article { max-inline-size: var(--reading-width, 65ch); }
main[data-layout="evidence"] .conditions { padding-inline-start: 1rem; border-inline-start: 2px solid var(--control-border, #64748b); }
main[data-layout="evidence"] .link-grid { grid-template-columns: minmax(0, 1fr); }
main[data-layout="evidence"] .link-card { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: .5rem 2rem; }
main[data-layout="evidence"] .link-card > :last-child:not(h3) { grid-column: 2; }

/* Language affects measure and rhythm, not merely the fallback font name. */
:lang(zh), :lang(ja), :lang(ko) { word-break: normal; }
body:lang(zh), body:lang(ja), body:lang(ko) { line-height: 1.75; }
main :is(h1, h2, h3):is(:lang(zh), :lang(ja), :lang(ko)) { line-height: 1.35; letter-spacing: 0; }
p:lang(zh), p:lang(ja), p:lang(ko) { max-inline-size: 36em; }
.eyebrow:lang(zh), .eyebrow:lang(ja), .eyebrow:lang(ko) { letter-spacing: 0; }
main[data-layout] :is(.hero, .intro) h1:is(:lang(zh), :lang(ja), :lang(ko)) { max-inline-size: 16em; }

@media (max-width: 62rem) {
  body > header { gap: .75rem 1.5rem; }
  header nav { flex-basis: 24rem; }
  .hero, main[data-layout] .hero { gap: 2rem; }
  .link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 46rem) {
  body > header { align-items: flex-start; flex-direction: column; }
  header nav { flex: 0 1 auto; inline-size: 100%; gap: .25rem 1rem; }
  .brand { max-inline-size: 100%; }
  .hero, main[data-layout] .hero, main[data-layout] .hero:has(> .hero-aside) { grid-template-columns: minmax(0, 1fr); }
  .hero, .intro { padding-block: 2.5rem; }
  .hero-media { inline-size: 100%; max-inline-size: 38rem; }
  .hero-media img { max-block-size: 30rem; }
  .section-head { margin-block-end: 1.5rem; }
  .link-grid, main[data-layout] .link-grid { grid-template-columns: minmax(0, 1fr); }
  main[data-layout="engineering"] section > article, main[data-layout="evidence"] .link-card { display: block; }
  .inquiry-panel form { grid-template-columns: minmax(0, 1fr); }
  .inquiry-panel form > button, .actions .button { min-inline-size: min(100%, 12rem); }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  :where(.button, button, .link-card, input, select, textarea) { transition: background-color 150ms ease, border-color 150ms ease; }
}
@media (forced-colors: active) {
  .button, button, .hero-aside, .inquiry-panel { border: 1px solid ButtonText; }
  :focus-visible { box-shadow: none; outline-color: Highlight; }
}