/* Hallmark · macrostructure: Split Studio · tone: austere industrial · anchor hue: copper · theme: Studio · enrichment: local source imagery · nav: N9 · footer: Ft1 */
/* Hallmark · pre-emit critique: P5 H5 E4 S5 R5 V5 · contrast: pass (40–41) · slop: pass (42–49) · mobile: pass (34, 49, 50–57) */
/* Revision · 2026-09-07: H2 scale unified on --text-h2, section rhythm compressed for a general trade audience, CJK heading metrics, contact form removed. */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700&family=Geist+Mono:wght@400;500&family=Newsreader:opsz,wght@6..72,400;6..72,500;6..72,600&display=swap');

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: clip;
  background: var(--color-paper);
}

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

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
figure, dl { margin: 0; }   /* UA defaults (figure 1em 40px, dl 1em) break the page measure */
h1, h2, h3 { min-width: 0; overflow-wrap: anywhere; font-family: var(--font-display); font-style: normal; font-weight: 600; letter-spacing: var(--tracking-heading); line-height: var(--leading-heading); text-wrap: pretty; }
h1 { line-height: 1.18; }
p { max-width: 65ch; }

.skip-link {
  position: fixed;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: var(--z-menu);
  transform: translateY(-160%);
  padding: var(--space-2xs) var(--space-sm);
  background: var(--color-night);
  color: var(--color-accent-ink);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  transition: transform var(--dur-short) var(--ease-out);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  padding-block: var(--space-md);
  border-bottom: var(--rule-hairline) solid var(--color-rule);
  background: var(--color-paper);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  min-height: 2.25rem;
}

.brand { display: inline-flex; align-items: center; min-width: 0; }
.brand img { width: clamp(9.25rem, 17vw, 14rem); height: auto; }

.desktop-nav { display: flex; align-items: center; gap: clamp(1rem, 3vw, 3rem); margin-left: auto; }
.desktop-nav a, .mobile-menu a {
  position: relative;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.desktop-nav a::after, .mobile-menu a::after {
  position: absolute;
  right: 0;
  bottom: -0.4rem;
  left: 0;
  height: 1px;
  background: var(--color-accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-short) var(--ease-out);
}

.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after,
.mobile-menu a:hover::after, .mobile-menu a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.desktop-nav .nav-contact { color: var(--color-accent); }
.desktop-nav .nav-contact span, .mobile-menu span { display: inline-block; margin-left: var(--space-3xs); font-family: var(--font-display); }

.menu-toggle { display: none; flex-shrink: 0; align-items: center; gap: var(--space-xs); border: 0; background: transparent; cursor: pointer; }
.menu-toggle__label { flex-shrink: 0; white-space: nowrap; font-family: var(--font-display); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; }
.menu-toggle__icon { display: grid; gap: 0.3rem; width: 1.25rem; }
.menu-toggle__icon i { display: block; height: 1px; background: currentColor; transition: transform var(--dur-short) var(--ease-out); }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon i:first-child { transform: translateY(0.2rem) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon i:last-child { transform: translateY(-0.2rem) rotate(-45deg); }

.mobile-menu { display: none; }

.site-main { width: 100%; overflow-x: clip; }
.page-wrap, .header-inner, .mobile-menu > * {
  width: min(100% - (var(--page-gutter) * 2), var(--page-max));
  margin-inline: auto;
}
.section { padding-block: clamp(3.25rem, 6vw, 5.5rem); }
.section--tight { padding-block: clamp(2.5rem, 4.6vw, 4rem); }
.section-head { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.75fr); gap: var(--space-xl); align-items: start; margin-bottom: clamp(1.75rem, 3.4vw, 3rem); }
.section-head h2 { max-width: 20ch; font-size: var(--text-h2); }
.section-head p { max-width: 42ch; color: var(--color-ink-2); font-size: var(--text-md); }

.hero { 
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(2rem, 7vw, 8rem);
  align-items: center;
  min-height: min(40rem, calc(100svh - 5.25rem));
  padding-block: clamp(2.5rem, 4.4vw, 4rem) clamp(2.75rem, 5vw, 4.5rem);
}

.hero__kicker, .article-kicker, .contact-kicker {
  margin-bottom: var(--space-md);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero__title { max-width: 18ch; font-size: var(--text-display-s); }
.hero__title strong { color: var(--color-accent); font-weight: 600; }
.hero__lede { max-width: 42ch; margin-top: var(--space-lg); color: var(--color-ink-2); font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-md); margin-top: var(--space-xl); }

.button, .text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform var(--dur-quick) var(--ease-out), color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}

.button { padding: 0.7rem 1.2rem; border: var(--rule-hairline) solid var(--color-ink); background: var(--color-ink); color: var(--color-accent-ink); }
.button--outline { background: transparent; color: var(--color-ink); }
.button--copper { border-color: var(--color-accent); background: var(--color-accent); color: var(--color-accent-ink); }
.text-link { min-height: 2.5rem; border-bottom: var(--rule-hairline) solid var(--color-accent); color: var(--color-accent); }
.text-link span { margin-left: var(--space-xs); transition: transform var(--dur-quick) var(--ease-out); }
.button:hover, .text-link:hover { transform: translateY(-2px); }
.text-link:hover span { transform: translateX(0.25rem); }
.button:active, .text-link:active { transform: scale(0.97); }
.button:disabled, .button[aria-disabled="true"] { cursor: not-allowed; opacity: 0.48; transform: none; }

button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
}

.hero__media { position: relative; min-height: 27rem; overflow: clip; background: var(--color-night); }
.hero__media img { width: 100%; height: 100%; min-height: 27rem; object-fit: cover; filter: saturate(0.68) contrast(1.06); transform: scale(1.02); transition: transform 1s var(--ease-out), filter var(--dur-medium) var(--ease-out); }
.hero__media:hover img { transform: scale(1.055); filter: saturate(0.86) contrast(1.08); }
.hero__media figcaption { position: absolute; right: var(--space-lg); bottom: var(--space-lg); z-index: 1; max-width: 26ch; color: var(--color-accent-ink); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-shadow: 0 1px 2px oklch(16% 0.02 245 / 0.95), 0 0 0.5rem oklch(16% 0.02 245 / 0.9), 0 0 1.5rem oklch(16% 0.02 245 / 0.75); text-transform: uppercase; text-wrap: balance; }

/* Quality policy: four stations on one asymmetric grid, weighted rather than repeated. */
.workflow { padding-block: clamp(2.75rem, 5vw, 4.5rem) clamp(3.25rem, 6vw, 5.5rem); border-top: var(--rule-hairline) solid var(--color-rule); }
.workflow__head { margin-bottom: clamp(1.75rem, 3.4vw, 3rem); }
.workflow__head h2 { max-width: 24ch; font-size: var(--text-h2); text-wrap: balance; }
.workflow__head p { max-width: 33em; margin-top: var(--space-md); color: var(--color-ink-2); font-size: var(--text-md); }

.policy-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(0.75rem, 2.6vw, 2.5rem); margin: 0; padding: 0; list-style: none; }
.policy-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(0.6rem, 1.5vw, 1.15rem);
  aspect-ratio: 4 / 3;
  min-width: 0;
  padding: var(--space-sm);
  /* Hard stop, not a blend: the original tiles split on a 45° edge. */
  background: linear-gradient(135deg, var(--color-gold) 0 50%, var(--color-gold-2) 50% 100%);
  color: var(--color-accent-ink);
  text-align: center;
}
.policy-card__icon { display: block; width: clamp(3.25rem, 7.4vw, 6.75rem); }
.policy-card__icon svg { display: block; width: 100%; height: auto; }
.policy-card h3 { font-size: clamp(1.1rem, 2vw, 1.6rem); font-weight: 700; letter-spacing: 0.02em; color: var(--color-accent-ink); }
.policy-card.reveal { transition-delay: calc(var(--i, 0) * 90ms); }

.visual-story { display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: clamp(2rem, 8vw, 9rem); align-items: start; }
.visual-copy { position: sticky; top: 7rem; }
.visual-copy h2 { max-width: 16ch; font-size: var(--text-h2); }
.visual-copy p { margin-top: var(--space-md); color: var(--color-ink-2); }
.story-gallery { display: grid; gap: var(--space-xl); }
.story-card { position: relative; overflow: clip; background: var(--color-night); }
.story-card--wide { aspect-ratio: 1.6; }
.story-card--tall { width: min(74%, 36rem); aspect-ratio: 0.92; margin-left: auto; }
.story-card img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.35) saturate(0.72) contrast(1.12); transform: scale(1); opacity: 1; }
.js-motion .story-card img { transform: scale(0.8); opacity: 0.2; }
.story-card figcaption { position: absolute; right: var(--space-md); bottom: var(--space-md); max-width: 26ch; color: var(--color-accent-ink); font-family: var(--font-mono); font-size: var(--text-xs); line-height: 1.45; text-shadow: 0 1px 2px oklch(16% 0.02 245 / 0.95), 0 0 0.5rem oklch(16% 0.02 245 / 0.85); }

.service-index { border-top: var(--rule-hairline) solid var(--color-rule); }
.service-row { border-bottom: var(--rule-hairline) solid var(--color-rule); }
.service-row summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); min-height: 4.25rem; list-style: none; cursor: pointer; font-family: var(--font-display); font-size: clamp(1.1rem, 1.8vw, 1.4rem); font-weight: 500; letter-spacing: var(--tracking-heading); }
.service-row summary::-webkit-details-marker { display: none; }
.service-row summary::after { display: grid; flex: 0 0 auto; place-items: center; width: 2rem; height: 2rem; border: var(--rule-hairline) solid var(--color-ink-2); border-radius: 50%; color: var(--color-accent); content: "+"; font-family: var(--font-display); font-size: 1.2rem; font-weight: 400; transition: transform var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out); }
.service-row[open] summary::after { background: var(--color-accent); color: var(--color-accent-ink); content: "−"; transform: rotate(180deg); }
.service-row__body { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: var(--space-xl); padding: 0 0 var(--space-lg); animation: detail-in var(--dur-short) var(--ease-out); }
.service-row__body p { color: var(--color-ink-2); }
.service-row__body figure { margin: 0; aspect-ratio: 1.5; overflow: clip; background: var(--color-night); }
.service-row__body img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.35) saturate(0.7); }

.contact-band { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.7fr); gap: var(--space-xl); align-items: start; padding-block: clamp(2.75rem, 5vw, 4.5rem); border-top: var(--rule-hairline) solid var(--color-rule); }
.contact-band h2 { max-width: 20ch; font-size: var(--text-h2-lead); }
.contact-band p { max-width: 35ch; color: var(--color-ink-2); }
.contact-band .text-link { margin-top: var(--space-lg); }

.site-footer { padding-block: var(--space-xl) var(--space-lg); border-top: var(--rule-hairline) solid var(--color-rule); background: var(--color-paper-2); }
.footer-inner { display: flex; align-items: end; justify-content: space-between; gap: var(--space-xl); }
.footer-brand { font-family: var(--font-display); font-size: clamp(1.25rem, 2.1vw, 1.75rem); font-weight: 600; letter-spacing: var(--tracking-heading); }
.footer-tagline { margin-top: var(--space-xs); color: var(--color-ink-2); font-size: var(--text-sm); }
.footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-md); color: var(--color-ink-2); font-family: var(--font-display); font-size: var(--text-sm); }
.footer-links a { white-space: nowrap; border-bottom: var(--rule-hairline) solid transparent; transition: color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out); }
.footer-links a:hover { border-color: var(--color-accent); color: var(--color-accent); }
.copyright { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-sm) var(--space-md); margin-top: var(--space-xl); padding-top: var(--space-md); border-top: var(--rule-hairline) solid var(--color-rule); color: var(--color-muted); font-family: var(--font-mono); font-size: var(--text-xs); }
.legal-links { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-md); }
.legal-links a { white-space: nowrap; border-bottom: var(--rule-hairline) solid transparent; transition: color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out); }
.legal-links a:hover { border-color: var(--color-accent); color: var(--color-accent); }

.article-shell { padding-block: clamp(2.75rem, 5vw, 4.5rem) clamp(3.25rem, 6vw, 5.5rem); }
.article-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.75fr); gap: var(--space-xl); align-items: end; padding-bottom: clamp(2rem, 3.8vw, 3rem); border-bottom: var(--rule-hairline) solid var(--color-rule); }
.article-heading h1 { max-width: 24ch; font-size: clamp(2rem, 3.4vw, 3rem); }
.article-heading__aside { max-width: 34ch; color: var(--color-ink-2); font-size: var(--text-md); }
.article-body { display: grid; grid-template-columns: minmax(0, 0.5fr) minmax(0, 1.5fr); gap: clamp(1.75rem, 5vw, 5rem); padding-top: clamp(2rem, 3.8vw, 3rem); }
.article-body__rail { color: var(--color-muted); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; }
.article-body__rail span { display: block; }
.article-body__rail a { display: inline-block; margin-top: var(--space-md); border-bottom: var(--rule-hairline) solid var(--color-accent); color: var(--color-accent); }
.article-copy { max-width: none; }
.article-copy p, .article-copy li { max-width: none; }
.article-copy > p:first-child { color: var(--color-ink); font-size: clamp(1.15rem, 1.7vw, 1.4rem); line-height: 1.62; }
.article-copy p { margin-bottom: var(--space-lg); color: var(--color-ink-2); }
.article-copy h2 { margin: var(--space-xl) 0 var(--space-sm); font-size: var(--text-h3-lead); }
.article-copy h3 { margin: var(--space-lg) 0 var(--space-2xs); font-size: var(--text-h3); }
.article-copy ul { margin: 0 0 var(--space-xl); padding-left: 1.25rem; color: var(--color-ink-2); }
.article-copy li { margin-bottom: var(--space-xs); padding-left: var(--space-2xs); }
.article-note { margin-top: var(--space-xl); padding: var(--space-lg); border-left: 3px solid var(--color-accent); background: var(--color-paper-2); color: var(--color-ink-2); }

.about-hero { display: grid; grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr); gap: clamp(1.75rem, 5vw, 5rem); align-items: end; padding-block: clamp(2.75rem, 5vw, 4.5rem); }
.about-hero h1 { max-width: 14ch; font-size: var(--text-display); }
.about-hero p { color: var(--color-ink-2); font-size: var(--text-md); }
.about-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: var(--space-xl); align-items: start; }
.about-image { aspect-ratio: 1.45; overflow: clip; background: var(--color-night); }
.about-image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.7) contrast(1.08); }
.fact-list { border-top: var(--rule-hairline) solid var(--color-rule); }
.fact { display: grid; grid-template-columns: minmax(0, 0.45fr) minmax(0, 1fr); gap: var(--space-lg); padding-block: var(--space-md); border-bottom: var(--rule-hairline) solid var(--color-rule); }
.fact dt { color: var(--color-muted); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; }
.fact dd { margin: 0; color: var(--color-ink-2); }

.service-hero, .scaffold-hero { padding-block: clamp(2.75rem, 5vw, 4.5rem) clamp(2rem, 3.8vw, 3.25rem); }
.service-hero h1, .scaffold-hero h1 { max-width: 18ch; font-size: var(--text-display); }
.service-hero p, .scaffold-hero p { max-width: 45ch; margin-top: var(--space-md); color: var(--color-ink-2); font-size: var(--text-md); }
.service-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-flow: dense; gap: var(--rule-hairline); background: var(--color-rule); }
.service-gallery figure { min-width: 0; min-height: 16rem; margin: 0; overflow: clip; background: var(--color-night); }
.service-gallery figure:first-child { grid-column: span 2; }
.service-gallery img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.45) saturate(0.62) contrast(1.08); transition: transform var(--dur-long) var(--ease-out), filter var(--dur-medium) var(--ease-out); }
.service-gallery figure:hover img { transform: scale(1.05); filter: grayscale(0.08) saturate(0.9) contrast(1.05); }
.service-gallery figcaption { padding: var(--space-sm); background: var(--color-paper); font-family: var(--font-display); font-size: var(--text-sm); }
.service-list { margin-top: clamp(2.75rem, 5vw, 4.5rem); }
.service-list h2, .specs h2 { max-width: 20ch; margin-bottom: var(--space-lg); font-size: var(--text-h2); }

.scaffold-intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: var(--space-xl); align-items: center; }
.scaffold-intro figure { aspect-ratio: 1.08; margin: 0; overflow: clip; background: var(--color-night); }
.scaffold-intro img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.7) contrast(1.1); }
.scaffold-intro__copy h2 { max-width: 20ch; font-size: var(--text-h2); }
.scaffold-intro__copy p { margin-top: var(--space-md); color: var(--color-ink-2); }
.product-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--rule-hairline); margin-top: var(--space-xl); background: var(--color-rule); }
.product-pair figure { margin: 0; background: var(--color-paper-2); }
.product-pair img { width: 100%; aspect-ratio: 1 / 0.92; object-fit: cover; filter: saturate(0.7); }
.product-pair figcaption { padding: var(--space-md); font-family: var(--font-display); }
.specs { margin-top: clamp(3rem, 5.4vw, 5rem); }
.spec-table { width: 100%; border-collapse: collapse; font-size: var(--text-base); }
.spec-table caption { margin-bottom: var(--space-md); text-align: left; color: var(--color-muted); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; }
.spec-table th, .spec-table td { padding: var(--space-sm); border-top: var(--rule-hairline) solid var(--color-rule); text-align: left; vertical-align: top; }
.spec-table th { width: 28%; color: var(--color-ink); font-family: var(--font-display); font-weight: 500; }
.spec-table td { color: var(--color-ink-2); font-variant-numeric: tabular-nums; }

.contact-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(1.75rem, 5vw, 5rem); padding-block: clamp(2.75rem, 5vw, 4.5rem); }
.contact-layout h1 { max-width: 14ch; font-size: var(--text-display); }
.contact-layout__intro > p { margin-top: var(--space-md); color: var(--color-ink-2); font-size: var(--text-md); }
.contact-details { margin-top: var(--space-xl); border-top: var(--rule-hairline) solid var(--color-rule); }
.contact-detail { display: grid; grid-template-columns: minmax(0, 0.35fr) minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-md); border-bottom: var(--rule-hairline) solid var(--color-rule); }
.contact-detail dt { color: var(--color-muted); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; }
.contact-detail dd { margin: 0; color: var(--color-ink-2); }
.contact-detail a { border-bottom: var(--rule-hairline) solid var(--color-accent); color: var(--color-accent); }

/* Direct-contact panel: replaces the enquiry form — phone and mail do the work instead. */
.contact-panel { align-self: start; padding: clamp(1.5rem, 3vw, 2.5rem); border: var(--rule-hairline) solid var(--color-rule); background: var(--color-paper-2); }
.contact-panel h2 { font-size: var(--text-h3-lead); }
.contact-panel > p { margin-top: var(--space-sm); color: var(--color-ink-2); }
.contact-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-lg); }
.contact-actions .button { flex: 1 1 12rem; }
.contact-panel__line { display: block; margin-top: var(--space-lg); color: var(--color-ink); font-family: var(--font-display); font-size: var(--text-md); font-weight: 600; letter-spacing: 0.01em; }
.contact-panel__note { margin-top: var(--space-lg); padding-top: var(--space-lg); border-top: var(--rule-hairline) solid var(--color-rule); }
.contact-panel__note h3 { font-size: var(--text-base); font-weight: 600; }
.contact-panel__note ul { margin: var(--space-sm) 0 0; padding-left: 1.15rem; color: var(--color-ink-2); }
.contact-panel__note li { margin-bottom: var(--space-2xs); padding-left: var(--space-3xs); }
.to-top { position: fixed; right: var(--space-md); bottom: var(--space-md); z-index: var(--z-nav); display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border: var(--rule-hairline) solid var(--color-rule); background: var(--color-paper); font-family: var(--font-display); transition: transform var(--dur-quick) var(--ease-out), background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out); }
.to-top:hover { background: var(--color-accent); color: var(--color-accent-ink); transform: translateY(-2px); }
.to-top:active { transform: scale(0.97); }

.reveal { opacity: 1; transform: translateY(0); transition: opacity var(--dur-medium) var(--ease-out), transform var(--dur-medium) var(--ease-out); }
.js-motion .reveal { opacity: 0; transform: translateY(1.25rem); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@keyframes detail-in { from { opacity: 0; transform: translateY(-0.5rem); } to { opacity: 1; transform: translateY(0); } }

@media (hover: hover) and (pointer: fine) {
  .service-row summary:hover { color: var(--color-accent); }
}

@media (max-width: 60rem) {
  .desktop-nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-menu { position: absolute; top: 100%; right: 0; left: 0; display: block; padding-block: var(--space-lg) var(--space-2xl); border-bottom: var(--rule-hairline) solid var(--color-rule); background: var(--color-paper); }
  .mobile-menu[hidden] { display: none; }
  .mobile-menu nav { display: grid; gap: var(--space-md); }
  .mobile-menu a { width: max-content; font-size: var(--text-lg); }
  .mobile-menu p { margin-top: var(--space-2xl); color: var(--color-muted); font-size: var(--text-sm); }
  .hero, .about-hero, .contact-layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-2xl); }
  .hero { min-height: 0; }
  .hero__media { min-height: 22rem; }
  .hero__media img { min-height: 22rem; }
  .section-head, .visual-story, .article-heading, .article-body, .about-grid, .scaffold-intro, .contact-layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .visual-copy { position: static; }
  .visual-copy h2 { max-width: 20ch; }
  .story-card--tall { width: 82%; }
  .policy-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-gallery figure:first-child { grid-column: span 2; }
  .article-body__rail { order: 2; }
  .article-copy { order: 1; }
  .contact-band { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 40rem) {
  .site-header { min-height: 4.5rem; padding-block: var(--space-sm); }
  .brand img { width: 10rem; }
  .hero { padding-block: 2.25rem 3rem; }
  .hero__title { font-size: clamp(2rem, 9vw, 2.75rem); }
  .hero__media, .hero__media img { min-height: 17rem; }
  .hero__actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .policy-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.6rem; }
  .story-card--tall { width: 100%; }
  .service-row summary { min-height: 3.75rem; font-size: 1.1rem; }
  .service-row__body { grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); }
  .service-gallery { grid-template-columns: minmax(0, 1fr); }
  .service-gallery figure:first-child { grid-column: auto; }
  .service-gallery figure { min-height: 15rem; }
  .product-pair { grid-template-columns: minmax(0, 1fr); }
  .spec-table th, .spec-table td { display: block; width: auto; padding-inline: 0; }
  .spec-table tr { display: block; padding-block: var(--space-sm); border-top: var(--rule-hairline) solid var(--color-rule); }
  .spec-table th, .spec-table td { border: 0; padding-block: var(--space-3xs); }
  .footer-inner, .copyright { align-items: flex-start; flex-direction: column; }
  .legal-links { gap: var(--space-sm); }
  .footer-links { gap: var(--space-sm); }
  .contact-detail { grid-template-columns: minmax(0, 1fr); gap: var(--space-2xs); }
  .article-heading h1 { max-width: 20ch; font-size: clamp(1.85rem, 7.5vw, 2.4rem); }
  .contact-actions .button { flex: 1 1 100%; }
  .to-top { right: var(--space-sm); bottom: var(--space-sm); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 120ms !important; }
  .js-motion .reveal { opacity: 0; transform: none; }
  .policy-card.reveal { transition-delay: 0ms; }
  .reveal.is-visible { opacity: 1; }
  .story-card img { transform: scale(1); opacity: 1; }
}