/* TMCH refinement: consistent placement, compact type and original field imagery. */
:root {
  --ink: #112833;
  --muted: #4b626f;
  --blue: #006fb9;
  --line: #d6e0e5;
  --dark: #092534;
  --surface: #f2f5f6;
  --space-page: clamp(20px, 4vw, 56px);
  --section-space: clamp(56px, 6.2vw, 88px);
}
html { scroll-padding-top: 104px; }
body { color: var(--ink); font-size: 1rem; }
.container { width: min(calc(100% - var(--space-page) * 2), 1280px); }
h1, h2, h3 { text-wrap: balance; }
p { line-height: 1.75; }
.section { padding-block: var(--section-space); }
.section-head { gap: 32px; margin-bottom: 36px; }
.section-head h2, .company-story h2 { font-size: clamp(2rem, 3.1vw, 2.8rem); line-height: 1.14; }
.section-head .eyebrow { margin-bottom: 14px; }
.eyebrow { font-size: .75rem; line-height: 1.6; letter-spacing: .12em; }
.btn { min-height: 48px; padding: 14px 22px; gap: 24px; border-radius: 0; }
.btn-blue, .btn-gold { background: var(--blue); color: white; }
.btn-blue:hover, .btn-gold:hover { background: #00578f; }
.text-link { min-height: 44px; gap: 20px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid #0074bc;
  outline-offset: 4px;
}
.site-header { border-bottom: 1px solid var(--line); background: white; }
.nav { min-height: 86px; gap: 32px; }
.brand { flex-shrink: 0; }
.brand-logo { width: 142px; height: 58px; object-fit: contain; }
.nav nav { flex: 1; justify-content: flex-end; gap: clamp(18px, 2vw, 29px); font-size: .875rem; }
.nav nav > a:not(.btn) { min-height: 44px; display: flex; align-items: center; padding-block: 12px; }
.nav nav > a:not(.btn)::after {
  content: ''; position: absolute; left: 0; bottom: 7px; height: 2px;
  width: 0; background: var(--blue); transition: width .18s ease;
}
.nav nav > a:not(.btn):hover::after, .nav nav > a[aria-current='page']:not(.btn)::after { width: 100%; }
.nav nav .btn { flex-shrink: 0; min-height: 46px; padding: 12px 18px; margin-left: 9px; background: var(--dark); gap: 18px; }
.nav nav > a.btn:hover { background: #17465e; color: white; }
.menu-toggle { min-height: 44px; border-radius: 0; padding: 9px 13px; gap: 10px; }
.menu-icon { width: 18px; height: 16px; display: inline-flex; flex-direction: column; justify-content: space-between; }
.menu-icon i { display: block; width: 18px; height: 2px; background: currentColor; transition: transform .18s, opacity .18s; }
.menu-toggle[aria-expanded='true'] .menu-icon i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded='true'] .menu-icon i:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded='true'] .menu-icon i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* The existing photographic opening, with space given back to the field image. */
.site-hero { min-height: 640px; }
.hero-content { padding-block: 52px; }
.site-hero .hero-copy { max-width: 620px; }
.site-hero .hero-copy > .eyebrow { margin-bottom: 22px; font-size: .75rem; }
.site-hero h1 {
  font-size: clamp(3.7rem, 6.1vw, 6rem); line-height: .99;
  white-space: normal; margin-bottom: 24px; letter-spacing: -.015em;
}
.site-hero h1 > span { color: #a9d5ef; }
.site-hero .hero-copy > .hero-deck { max-width: 450px; font-size: 1rem; line-height: 1.75; margin-bottom: 26px; }
.hero-scene .hero-background img { filter: none; object-position: 72% 44%; }
.hero-scene:first-child .hero-background img { object-position: 80% center; }
.hero-scene:after {
  background: linear-gradient(90deg, rgba(4,24,36,.94), rgba(4,24,36,.83) 32%, rgba(4,24,36,.28) 72%),
    linear-gradient(0deg, rgba(4,24,36,.55), transparent 65%);
}
.hero-evidence { right: max(var(--space-page), calc((100% - 1280px) / 2)); bottom: 142px; max-width: 240px; padding-left: 20px; }
.hero-scene:first-child:after {
  background: linear-gradient(90deg, rgba(4,24,36,.85), rgba(4,24,36,.64) 28%, rgba(4,24,36,.13) 63%, rgba(4,24,36,.12)),
    linear-gradient(0deg, rgba(4,24,36,.45), transparent 40%);
}
.hero-evidence p { max-width: 230px; font-size: 1.05rem; }
.hero-evidence a { min-height: 44px; line-height: 1.6; }
.hero-controls { background: #092534; backdrop-filter: none; }
.hero-tabs button, .hero-tabs button:first-child { padding: 20px 24px; min-height: 96px; }
.hero-tabs button:first-child { padding-left: 0; }
.hero-tabs button:last-child { padding-right: 0; }
.hero-tabs .sector-name { font-size: 1.15rem; }
.hero-tabs .sector-scope { font-size: .75rem; color: #c0d2db; }
.hero-tabs button[aria-selected='true'] { border-top-color: #7fc8ee; }
.hero-tabs button[aria-selected='true'] .sector-name { color: #b6e3fb; }
.hero-scene:not([hidden]) { animation: sector-in .35s ease-out; }
@keyframes sector-in { from { opacity: .65; } to { opacity: 1; } }

.company-intro { grid-template-columns: .85fr 1.15fr; gap: clamp(40px, 6vw, 84px); }
.company-portrait { padding: 0; }
.company-portrait:before { display: none; }
.company-portrait .photo { aspect-ratio: 1.1; }
.company-portrait img { object-position: center 38%; }
.image-caption { position: static; display: block; background: none; color: var(--muted); padding: 12px 0 0; font-size: .75rem; }
.company-story h2 { margin-bottom: 23px; }
.company-story > p:not(.eyebrow) { line-height: 1.75; }
.company-story .text-link { margin-top: 4px; }

/* A service directory rather than another set of three boxes. */
.expertise-section { background: var(--surface); }
.sector-grid { display: block; border-top: 1px solid #bccbd4; }
.sector-card { display: grid; grid-template-columns: minmax(190px, .38fr) minmax(0, 1fr); gap: 36px; padding-block: 30px; border-bottom: 1px solid #bccbd4; }
.sector-card > .photo { width: 100%; aspect-ratio: 1.42; min-height: 180px; align-self: start; }
.sector-card-body { padding: 0; display: grid; grid-template-columns: .9fr 1.1fr; align-content: start; align-items: start; gap: 10px 36px; }
.sector-card-body h3 { font-size: clamp(1.65rem, 2.25vw, 2rem); margin: 0; }
.sector-card-body > p { grid-column: 1; font-size: .9375rem; line-height: 1.7; min-height: 0; max-width: 310px; margin: 0; }
.sector-services { grid-column: 2; grid-row: 1 / 3; border-color: #a7bfcc; }
.sector-services summary { min-height: 52px; padding-block: 14px; font-size: .875rem; }
.sector-services a { min-height: 44px; font-size: .875rem; padding-block: 13px; }

.equipment-teaser-grid { gap: 28px; }
.equipment-teaser-card { display: grid; grid-template-rows: 230px auto; min-height: 0; background: white; color: var(--ink); border-bottom: 1px solid var(--line); }
.equipment-teaser-card:after { display: none; }
.equipment-teaser-card img { position: static; width: 100%; height: 230px; object-fit: cover; background: transparent; }
.equipment-teaser-card[href$='#heavy-equipment'] img { object-position: center 58%; }
.equipment-teaser-card[href$='#environmental-monitoring-equipment'] img { object-position: center 54%; }
.equipment-teaser-card span { position: static; inset: auto; padding: 20px 0 22px; gap: 7px; }
.equipment-teaser-card small { color: var(--muted); font-size: .75rem; }
.equipment-teaser-card strong { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 1.3rem; }
.equipment-teaser-card strong:after { content: '\2197'; color: var(--blue); font-weight: 400; }
.equipment-teaser-card:hover strong { color: var(--blue); }
.selected-work .featured-grid { grid-template-columns: 1.18fr 1fr; grid-template-rows: 260px 260px; gap: 24px; }
.selected-work .project-body { inset: auto 24px 22px; }
.selected-work .project-body .card-meta { font-size: .75rem; }
.selected-work .project-body p { font-size: .875rem; color: #d1e0e8; }
.selected-work .project-body .text-link { font-size: .875rem; min-height: 40px; }
.selected-work .project-body h3 { font-size: 1.4rem; }
.selected-work .project-card:first-child h3 { font-size: 1.85rem; }
.selected-work .work-tail p { font-size: .875rem; }
.mission-vision-section { background: #fff; }
.mission-vision-section > .container { display: grid; grid-template-columns: .7fr 1.7fr; gap: 48px; align-items: start; }
.mission-vision-head { display: block; margin: 0; }
.mission-vision-head h2 { font-size: clamp(1.9rem, 2.8vw, 2.5rem); }
.mission-vision-intro { margin: 20px 0 0; max-width: 290px; font-size: .9375rem; }
.mission-vision-grid { border: 0; gap: 34px; background: transparent; }
.mission-vision-card { min-height: 0; padding: 21px 0 0; justify-content: flex-start; background: transparent; color: var(--ink); border: 0; border-top: 2px solid var(--blue); }
.mission-vision-card + .mission-vision-card { border-left: 0; border-top: 2px solid var(--blue); }
.mission-vision-card h3 { font-size: clamp(1.35rem, 1.75vw, 1.7rem); line-height: 1.38; max-width: 370px; font-weight: 500; margin: 12px 0 0; }
.mission-card-dark .eyebrow { color: #335873; }
.mission-vision-card .eyebrow { margin-bottom: 12px; }
.portrait { aspect-ratio: 1; background: #f0f3f4; }
.portrait img { filter: none; object-fit: contain; object-position: center top; }
.people-grid { gap: 32px; }
.person-body { padding-block: 20px 23px; }
.person-body h3 { font-size: 1.25rem; }
.person-body p { font-size: .9375rem; }
.team-member { padding-bottom: 0; border: 0; }
.team-member .person-body { min-height: 132px; }

/* Page titles and archives share the same scale and reading width. */
.page-hero { padding-block: 30px 44px; }
.page-hero .container { gap: 0 54px; grid-template-columns: 1.2fr 1fr; }
.page-hero .breadcrumbs { margin-bottom: 28px; min-height: 24px; }
.breadcrumbs a { min-height: 24px; }
.page-hero h1, .page-hero-visual h1 { font-size: clamp(3rem, 4.7vw, 4.7rem); line-height: 1.05; overflow-wrap: anywhere; }
.page-hero .hero-description { line-height: 1.75; }
.page-hero-visual { min-height: 370px; padding-block: 30px 50px; }
.page-hero-visual .container { display: block; }
.page-hero-visual h1 { max-width: 61%; margin-bottom: 20px; }
.page-hero-visual .hero-description { max-width: 450px; }
.page-hero-editorial .container { padding-bottom: 30px; }
.page-hero-editorial + .section { padding-top: 30px; }
.page-hero-visual + .section { padding-top: 56px; }
.masthead-art figcaption { right: var(--space-page); max-width: 300px; font-size: .75rem; }
.filter-toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 18px 24px; margin-bottom: 34px; }
.filter { min-height: 44px; padding: 11px 15px; font-size: .875rem; }
.filters { gap: 8px; }
.result-count { margin: 0; font-size: .875rem; line-height: 1.6; }
.service-grid.catalogue-grid, .project-grid { gap: 36px 28px; }
.service-card .photo { aspect-ratio: 1.75; }
.service-body { padding-block: 23px; }
.service-body .card-meta, .project-body .card-meta { font-size: .75rem; }
.service-body h3, .project-body h3 { font-size: 1.4rem; line-height: 1.3; }
.service-body p, .project-body p { font-size: .9375rem; line-height: 1.7; }
.service-body .text-link, .project-body .text-link { font-size: .875rem; }
.split { gap: 64px; }
.split > *, .record-grid > *, .detail-grid > *, .contact-grid > * { min-width: 0; }
.detail-grid { gap: 64px; grid-template-columns: minmax(0, 1fr) 330px; }
.sidebox { padding: 28px; border-top-color: var(--blue); }
.prose { max-width: 840px; }
.prose h2 { font-size: 2rem; }
.record-grid { gap: 48px; }
.record-photo img { max-height: 690px; }
.record-photo figcaption { font-size: .875rem; }
.record-details dl > div { padding-block: 15px; }
.record-details dt { font-size: .875rem; }
.archive-pagination a { min-height: 44px; line-height: 1.6; }
.equipment-grid { gap: 28px; }
.equipment-image { height: 270px; background: #f0f4f5; }
.equipment-image img { object-fit: contain; }
.equipment-card { border: 0; border-bottom: 1px solid var(--line); }
.equipment-card-body { padding: 24px 0 28px; }
.equipment-card-body h3 { font-size: 1.45rem; line-height: 1.3; }
.equipment-category { scroll-margin-top: 16px; background: #fff; }
/* Compact profiles give older photographs an appropriate scale and remove empty cards. */
.equipment-profile-list { border-top: 1px solid var(--line); }
.equipment-profile {
  display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: clamp(28px, 4.4vw, 64px); align-items: center; padding-block: 36px;
  border-bottom: 1px solid var(--line);
}
.equipment-profile-photo {
  display: flex; align-items: center; justify-content: center;
  min-width: 0; height: 260px; padding: 0; background: transparent;
}
.equipment-profile-photo img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; }
.equipment-profile-photo-small img { max-width: 215px; max-height: 210px; }
.equipment-profile-photo-lab { height: 230px; }
.equipment-profile-photo-lab img { max-width: min(100%, 280px); max-height: 200px; }
.equipment-profile-photo-trim img { clip-path: inset(1.8%); }
.equipment-profile-body { min-width: 0; max-width: 760px; }
.equipment-profile-body .eyebrow { color: var(--blue); margin-bottom: 12px; }
.equipment-profile-body h3 { font-size: clamp(1.4rem, 2.1vw, 1.8rem); line-height: 1.3; margin-bottom: 16px; text-align: left; text-wrap: pretty; }
.equipment-profile-body > p:not(.eyebrow) { font-size: 1rem; line-height: 1.75; color: var(--muted); margin-bottom: 18px; }
.equipment-profile-body .equipment-use-details { margin-top: 18px; }
.equipment-text-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 48px; border-top: 1px solid var(--line); }
.equipment-profile.equipment-profile-text-only { display: block; padding-block: 28px; }
.equipment-profile-text-only:has(.equipment-use-details) { grid-column: 1 / -1; }
.equipment-profile-text-only .equipment-profile-body { max-width: 840px; }
.equipment-profile-text-only .equipment-profile-body > p:last-child { margin-bottom: 0; }
.equipment-profile-specs { display: flex; flex-wrap: wrap; gap: 16px 36px; margin: 20px 0 0; }
.equipment-profile-specs > div { display: grid; gap: 3px; }
.equipment-profile-specs dt { font-size: .875rem; color: var(--muted); }
.equipment-profile-specs dd { margin: 0; font-size: 1rem; font-weight: 700; }
.equipment-leasing-note { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-top: 32px; }
.equipment-leasing-note > div { min-width: 0; max-width: 750px; }
.equipment-leasing-note h3 { font-size: 1.45rem; line-height: 1.3; margin-bottom: 12px; }
.equipment-leasing-note p { margin: 0; color: var(--muted); font-size: 1rem; }
.equipment-leasing-note .btn { flex-shrink: 0; font-size: .9375rem; }
.monitoring-equipment .section-head { align-items: end; }
.monitoring-equipment .section-head h2 { max-width: 760px; }
.monitoring-equipment-list { border-top: 1px solid var(--line); }
.monitoring-instrument {
  display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  align-items: start; gap: clamp(32px, 5vw, 64px); padding-block: 44px;
  border-bottom: 1px solid var(--line);
}
.monitoring-photo { height: 400px; padding: 0; background: transparent; }
.monitoring-photo img { width: 100%; height: 100%; object-fit: contain; display: block; }
.monitoring-copy { min-width: 0; }
.monitoring-copy .eyebrow { color: var(--blue); margin-bottom: 12px; }
.monitoring-copy h3 { font-size: clamp(1.45rem, 2.3vw, 1.85rem); line-height: 1.3; margin: 0 0 20px; }
.monitoring-copy > p:not(.eyebrow), .equipment-use-details p { font-size: 1rem; color: var(--muted); line-height: 1.75; }
.equipment-use-details { margin-top: 24px; border-top: 1px solid var(--line); }
.equipment-use-details summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 14px 0; min-height: 52px; cursor: pointer; list-style: none; font-size: .9375rem; font-weight: 700; }
.equipment-use-details summary::-webkit-details-marker { display: none; }
.equipment-use-details summary > span { color: var(--blue); font-size: 1.35rem; line-height: 1; transition: transform .18s ease; }
.equipment-use-details summary:hover { color: var(--blue); }
.equipment-use-details[open] summary > span { transform: rotate(45deg); }
.equipment-use-details > div { padding-block: 8px 4px; }
.equipment-use-details > div > p:last-child { margin-bottom: 0; }
.equipment-list-grid { border: 0; gap: 28px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.equipment-list-grid > div { border: 0; border-top: 1px solid var(--line); padding: 24px 0 0; min-height: 0; }
.equipment-list-grid strong { font-size: 1.15rem; }
.equipment-list-grid p { font-size: .9375rem; }
.company-image-grid { gap: 30px; }
.company-image-grid .photo { aspect-ratio: 1.45; }
.values-grid { gap: 36px; }
.values-grid h3 { font-size: 1.4rem; }

/* A direct enquiry path and recoverable validation states. */
.contact-grid { gap: 72px; grid-template-columns: .8fr 1.2fr; align-items: start; }
.contact-aside h2 { font-size: clamp(2rem, 3.1vw, 2.65rem); }
.contact-aside .contact-link { min-height: 44px; }
.form-note { background: #eaf2f7; border-left-color: var(--blue); padding: 18px 22px; }
.form-note strong { line-height: 1.5; }
.form-note span { font-size: .875rem; line-height: 1.7; }
form#enquiry-form { padding: 28px; border: 1px solid var(--line); border-top: 0; }
.form-intro { font-size: .875rem; }
.field label { font-size: .875rem; line-height: 1.6; }
.field input, .field select, .field textarea { padding: 13px 14px; min-height: 48px; border-color: #aebec8; border-radius: 0; }
.field textarea { min-height: 160px; resize: vertical; }
.field [aria-invalid='true'] { border-color: #a62828; box-shadow: inset 0 0 0 1px #a62828; }
.field-error { color: #922121; font-size: .8125rem; line-height: 1.5; margin: 0; }
#enquiry-status { border-left-color: #a62828; background: #fff0ef; margin-bottom: 0; }
#enquiry-status[data-state='success'] { border-left-color: #24654f; background: #edf6f1; }
.enquiry-ready { margin-top: 26px; padding-top: 25px; border-top: 1px solid var(--line); }
.enquiry-ready h3 { font-size: 1.3rem; margin-bottom: 12px; }
.enquiry-ready p { color: var(--muted); font-size: .9375rem; }
.enquiry-ready .actions { gap: 12px; }
.enquiry-ready .btn { font-size: .875rem; }
.copy-status { margin: 14px 0 0; font-size: .875rem; }
.enquiry-copy { display: grid; gap: 10px; margin-top: 20px; }
.enquiry-copy label { font-size: .875rem; font-weight: 600; }
.enquiry-copy textarea { width: 100%; min-height: 240px; padding: 14px; font: inherit; font-size: .875rem; border: 1px solid #aebec8; resize: vertical; }
.btn:disabled { opacity: .65; cursor: wait; }
.office-grid { gap: 40px; }
.office { padding-top: 24px; }
.office h3 { font-size: 1.7rem; }
.office address { min-height: 110px; font-size: .9375rem; }
.office-phones a, .office-email { font-size: .9375rem; }
.office-phones a { min-height: 32px; display: inline-flex; align-items: center; }
.office-email { display: inline-flex; min-height: 36px; align-items: center; }
.office-address > span { font-size: .8125rem; min-height: 32px; }
.network-section { --ribbon-paper: #f3f6f7; padding-block: 46px; }
.network-compact { padding-block: 36px; }
.network-logo { background: transparent; border: 0; border-right: 1px solid #d8e3e9; min-height: 130px; padding: 18px 20px 12px; }
.network-logo figcaption { color: #405b6b; font-size: .75rem; }
.network-compact .network-logo { min-height: 122px; }
.cta { background: var(--blue); padding-block: 48px; }
.cta h2 { font-size: clamp(2.15rem, 3.5vw, 3.2rem); }
.cta .btn { background: white; color: #0d426e; }
.cta .btn:hover { background: #e5f2f9; }
footer { padding-top: 52px; }
.footer-grid { gap: 34px; grid-template-columns: 1.25fr .8fr .85fr 1.15fr; }
.footer-grid a, .footer-grid p { font-size: .875rem; }
.footer-grid > div:not(:first-child) > a { min-height: 32px; display: flex; align-items: center; }
.footer-grid > div:not(:first-child) > a.btn { display: inline-flex; }
.compact { gap: 40px; margin-top: 40px; }
.compact .office address { min-height: 94px; }
.compact .office-phones a, .compact .office-email { font-size: .875rem; min-height: 30px; }
.footer-bottom { margin-top: 36px; font-size: .8125rem; line-height: 1.7; gap: 16px; flex-wrap: wrap; }
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .45s ease, transform .45s ease; }
.reveal.is-visible, .reveal:focus-within { opacity: 1; transform: none; }
html:not(.has-js) .filters, html:not(.has-js) .hero-controls, html:not(.has-js) .menu-toggle { display: none; }

@media (min-width: 1600px) { .site-hero { min-height: 690px; } }
@media (max-width: 1120px) {
  .nav { min-height: 78px; }
  .menu-toggle { display: inline-flex; }
  .nav nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%; background: white;
    padding: 16px var(--space-page) 24px; border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 16px #1128330a; flex-direction: column; align-items: stretch;
    justify-content: start; gap: 2px; max-height: calc(100dvh - 78px); overflow-y: auto;
  }
  .nav nav.open { display: flex; }
  html:not(.has-js) .nav { flex-wrap: wrap; padding-block: 12px; }
  html:not(.has-js) .nav nav { display: flex; position: static; flex-direction: row; flex-wrap: wrap; max-height: none; overflow: visible; padding: 0; border: 0; box-shadow: none; gap: 4px 18px; }
  html:not(.has-js) .nav nav .btn { margin: 0; }
  .nav nav > a:not(.btn) { min-height: 48px; padding-block: 12px; }
  .nav nav > a:not(.btn)::after { display: none; }
  .nav nav > a[aria-current='page']:not(.btn) { color: var(--blue); }
  .nav nav .btn { margin: 12px 0 0; min-height: 48px; justify-content: space-between; }
  .hero-evidence { display: none; }
  .sector-card { gap: 28px; grid-template-columns: 210px minmax(0, 1fr); }
  .sector-card-body { display: block; }
  .sector-card-body > p { max-width: 100%; margin-block: 14px 18px; }
  .mission-vision-section > .container { grid-template-columns: .75fr 1.6fr; gap: 36px; }
  .contact-grid { gap: 44px; }
}
@media (max-width: 1000px) {
  .project-grid, .service-grid.catalogue-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-grid { grid-template-columns: minmax(0, 1fr) 300px; gap: 34px; }
  .page-hero .container { gap: 0 32px; }
  .split, .record-grid { gap: 36px; }
  .equipment-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .office-grid { gap: 28px; }
  .footer-grid { grid-template-columns: 1.3fr 1fr; gap: 32px; }
}
@media (max-width: 850px) {
  .equipment-profile { grid-template-columns: minmax(0, 250px) minmax(0, 1fr); gap: 28px; }
  .equipment-profile-photo { height: 230px; }
  .equipment-profile-photo-lab { height: 210px; }
  .equipment-leasing-note { align-items: start; flex-direction: column; gap: 24px; }
  .monitoring-instrument { grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: 28px; }
  .monitoring-photo { height: 320px; }
  .site-hero { min-height: 620px; }
  .site-hero h1 { font-size: clamp(3.8rem, 8.8vw, 5.1rem); }
  .hero-content { padding-block: 42px; }
  .hero-tabs button, .hero-tabs button:first-child, .hero-tabs button:last-child { padding: 18px 16px; }
  .hero-tabs .sector-name { font-size: 1.05rem; }
  .hero-tabs .sector-scope { max-width: 165px; }
  .company-intro { gap: 34px; grid-template-columns: .9fr 1.1fr; }
  .company-story h2 { font-size: 2.05rem; }
  .company-story > p:not(.eyebrow) { font-size: .9375rem; }
  .mission-vision-section > .container { grid-template-columns: 1fr; gap: 32px; }
  .mission-vision-head { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: end; }
  .mission-vision-intro { margin: 0; max-width: 100%; }
  .mission-vision-grid { grid-template-columns: 1fr 1fr; }
  .mission-vision-card h3 { font-size: 1.5rem; }
  .equipment-teaser-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
  .equipment-teaser-card:last-child { grid-column: auto; }
  .equipment-teaser-card { grid-template-rows: 185px auto; }
  .equipment-teaser-card img { height: 185px; }
  .equipment-teaser-card strong { font-size: 1.15rem; }
  .selected-work .featured-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 275px 300px; gap: 20px; }
  .selected-work .project-card:first-child { grid-row: 1; grid-column: 1 / -1; }
  .selected-work .project-body h3, .selected-work .project-card:first-child h3 { font-size: 1.5rem; }
  .selected-work .project-body p { font-size: .8125rem; }
  .people-grid { gap: 24px; }
  .person-body h3 { font-size: 1.15rem; }
  .person-body p { font-size: .875rem; }
  .split, .detail-grid, .record-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-photo { aspect-ratio: 1.55; }
  .sidebox { max-width: 100%; }
  .record-photo img { max-height: 620px; }
  .record-details { padding: 0; }
  .contact-aside > p { max-width: 560px; }
  .contact-aside h2 br { display: none; }
  .contact-aside .office-hours { margin-block: 10px 12px; }
  .office-grid { grid-template-columns: 1fr; gap: 32px; }
  .office address { min-height: 0; }
  .office-phones { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .compact { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
  .compact .office-phones { grid-template-columns: 1fr; }
  .compact .office address { min-height: 140px; }
  .page-hero h1 { font-size: clamp(3.1rem, 5.4vw, 4rem); }
  .page-hero-visual h1 { max-width: 70%; }
  .page-hero-visual .hero-description { max-width: 62%; }
}
@media (max-width: 680px) {
  .equipment-text-list { grid-template-columns: 1fr; }
  .equipment-profile { grid-template-columns: 1fr; gap: 24px; padding-block: 30px; }
  .equipment-profile-photo { width: 100%; height: 260px; }
  .equipment-profile-photo-lab { height: 230px; }
  .equipment-profile-photo img { max-width: min(100%, 340px); }
  .equipment-profile-photo-lab img { max-width: min(100%, 280px); }
  .equipment-profile-photo-small img { max-width: min(100%, 215px); }
  .monitoring-instrument { grid-template-columns: 1fr; gap: 28px; padding-block: 32px; }
  .monitoring-photo { height: 360px; }
  .monitoring-equipment .section-head { align-items: start; }
  .company-intro { grid-template-columns: 1fr; gap: 30px; }
  .company-portrait .photo { aspect-ratio: 1.5; }
  .company-story h2 { font-size: 2.2rem; }
  .sector-card { grid-template-columns: 170px minmax(0, 1fr); gap: 24px; }
  .sector-card > .photo { min-height: 170px; aspect-ratio: 1; }
  .page-hero .container { display: block; }
  .page-hero h1 { font-size: clamp(2.85rem, 8vw, 3.65rem); margin-bottom: 20px; }
  .page-hero .hero-description { max-width: 100%; }
  .page-hero-visual h1 { max-width: 100%; }
  .page-hero-visual .hero-description { max-width: 92%; }
  .masthead-photo { inset: 0; opacity: .5; }
  .masthead-art:after { background: linear-gradient(90deg, #082130ed, #082130b8 75%, #08213085); }
  .masthead-art figcaption { display: none; }
  .people-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
  .with-portrait:last-child { grid-column: auto; }
  .person-body h3 { font-size: 1.2rem; }
  .company-image-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
  .values-grid { grid-template-columns: 1fr; gap: 28px; }
  .equipment-grid { gap: 32px 20px; }
  .equipment-image { height: 220px; }
  .equipment-image-contain { padding: 12px; }
  .equipment-card-body h3 { font-size: 1.3rem; }
  .office-phones { grid-template-columns: 1fr; gap: 2px; }
  .compact { grid-template-columns: 1fr; gap: 26px; }
  .compact .office address { min-height: 0; max-width: 440px; }
  .cta-inner { align-items: start; flex-direction: column; gap: 28px; }
}
@media (max-width: 550px) {
  :root { --space-page: 20px; --section-space: 56px; }
  html { scroll-padding-top: 90px; }
  .nav { min-height: 72px; gap: 16px; }
  .brand-logo { width: 122px; height: 51px; }
  .nav nav { max-height: calc(100dvh - 72px); }
  .site-hero { min-height: 630px; }
  .hero-content { padding-block: 40px; }
  .site-hero .hero-copy > .eyebrow { font-size: .6875rem; margin-bottom: 20px; letter-spacing: .05em; }
  .site-hero h1 { font-size: clamp(3.45rem, 13vw, 4.6rem); line-height: 1.01; margin-bottom: 23px; }
  .site-hero .hero-copy > .hero-deck { max-width: 360px; font-size: .9375rem; line-height: 1.75; margin-bottom: 23px; }
  .hero-scene .hero-background img { object-position: 62% center; }
  .hero-scene:first-child .hero-background img { object-position: 80% center; }
  .hero-scene:first-child:after { background: linear-gradient(90deg, #061d2add, #061d2a90 72%, #061d2a68), linear-gradient(0deg, #061d2a80, transparent); }
  .hero-scene:after { background: linear-gradient(90deg, #061e2eed, #061e2ec2 65%, #061e2e94); }
  .site-hero .actions { gap: 14px; align-items: start; flex-direction: column; }
  .site-hero .btn { padding: 14px 20px; font-size: .875rem; }
  .hero-archive-link { font-size: .875rem; padding-block: 8px; }
  .hero-controls > .container { width: 100%; }
  .hero-tabs button, .hero-tabs button:first-child, .hero-tabs button:last-child { display: block; padding: 18px 6px; min-height: 64px; text-align: center; }
  .hero-tabs .sector-name { font-size: .875rem; }
  .hero-tabs .sector-scope { display: none; }
  .hero-tabs button[aria-selected='true'] { background: #124057; }
  .section-head { display: flex; flex-direction: column; align-items: start; gap: 16px; margin-bottom: 28px; }
  .section-head h2, .company-story h2 { font-size: 2.1rem; }
  .section-head .text-link { white-space: normal; }
  .sector-card { display: block; padding-block: 28px; }
  .sector-card > .photo { aspect-ratio: 1.65; min-height: 0; margin-bottom: 24px; }
  .sector-card-body h3 { font-size: 1.7rem; }
  .sector-card-body > p { margin-block: 13px 20px; font-size: .9375rem; }
  .equipment-teaser-grid { grid-template-columns: 1fr; gap: 26px; }
  .equipment-teaser-card { grid-template-columns: 120px minmax(0, 1fr); grid-template-rows: auto; gap: 20px; align-items: center; padding-bottom: 26px; }
  .equipment-teaser-card img { height: 128px; width: 120px; }
  .equipment-teaser-card span { padding: 0; }
  .equipment-teaser-card small { font-size: .6875rem; }
  .equipment-teaser-card strong { font-size: 1.2rem; }
  .selected-work .featured-grid { display: grid; grid-template-columns: 1fr; grid-template-rows: auto; gap: 24px; }
  .selected-work .project-card, .selected-work .project-card:first-child { grid-column: auto; grid-row: auto; min-height: 345px; }
  .selected-work .project-card > .photo { position: absolute; inset: 0; }
  .selected-work .project-body, .selected-work .project-card:first-child .project-body { inset: auto 20px 18px; }
  .selected-work .project-body h3, .selected-work .project-card:first-child h3 { font-size: 1.55rem; }
  .selected-work .project-body p { font-size: .875rem; }
  .selected-work .work-tail { gap: 18px; }
  .mission-vision-head { display: block; }
  .mission-vision-intro { margin-top: 18px; }
  .mission-vision-grid { grid-template-columns: 1fr; gap: 30px; }
  .mission-vision-card { padding-top: 20px; }
  .mission-vision-card h3 { font-size: 1.5rem; max-width: 100%; }
  .page-hero { padding-block: 24px 32px; }
  .page-hero .breadcrumbs { font-size: .75rem; margin-bottom: 24px; }
  .page-hero h1, .page-hero-visual h1 { font-size: clamp(2.85rem, 10.8vw, 3.4rem); line-height: 1.06; }
  .page-hero .hero-description { font-size: .9375rem; line-height: 1.75; }
  .page-hero-visual { min-height: 380px; padding-bottom: 40px; }
  .page-hero-visual .breadcrumbs { max-width: 100%; }
  .page-hero-editorial .container { padding-bottom: 26px; }
  .page-hero-editorial + .section { padding-top: 26px; }
  .page-hero-visual + .section { padding-top: 40px; }
  .filter-toolbar { display: block; margin-bottom: 30px; }
  .result-count { margin-top: 18px; }
  .filters { gap: 8px; }
  .filter { padding: 10px 12px; font-size: .8125rem; max-width: 100%; text-align: left; }
  .project-grid, .service-grid.catalogue-grid, .equipment-grid { grid-template-columns: 1fr; gap: 32px; }
  .service-card .photo { aspect-ratio: 1.7; }
  .project-card .photo { aspect-ratio: 1.35; }
  .service-body h3, .project-body h3 { font-size: 1.4rem; }
  .equipment-image { height: 280px; }
  .equipment-list-grid { grid-template-columns: 1fr; gap: 24px; }
  .equipment-category { scroll-margin-top: 16px; }
  .equipment-card-body { padding-block: 24px; }
  .equipment-card-body h3 { font-size: 1.45rem; }
  .people-grid { grid-template-columns: 1fr; gap: 30px; }
  .portrait { max-width: 370px; margin-inline: auto; }
  .person-body h3 { font-size: 1.35rem; }
  .person-body p { font-size: .9375rem; }
  .team-member .person-body { min-height: 0; }
  .company-image-grid { grid-template-columns: 1fr; gap: 28px; }
  .record-photo img { max-height: none; }
  .archive-pagination { font-size: .875rem; margin-top: 36px; }
  .record-details .btn { width: 100%; }
  .contact-aside h2 { font-size: 2.2rem; }
  .contact-aside h2 br { display: block; }
  .form-note { padding: 18px; }
  form#enquiry-form { padding: 24px 18px; }
  .form-grid { grid-template-columns: 1fr; gap: 22px; }
  .field.full { grid-column: auto; }
  .field input, .field select, .field textarea { font-size: 1rem; }
  #enquiry-form > .btn, #enquiry-fields > .btn { width: 100%; justify-content: space-between; }
  .enquiry-ready .actions { flex-direction: column; align-items: stretch; }
  .enquiry-ready .btn { width: 100%; }
  .office-phones a, .office-email { min-height: 36px; }
  .network-section { padding-block: 34px; }
  .network-heading h2, .network-compact .network-heading h2 { font-size: 1.9rem; }
  .network-viewport { margin-inline: -20px; }
  .network-logo { min-height: 125px; }
  .cta { padding-block: 42px; }
  .cta h2 { font-size: 2.4rem; }
  .cta .btn { width: 100%; justify-content: space-between; }
  footer { padding-top: 42px; }
  .footer-grid { gap: 30px 24px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
  .compact { margin-top: 32px; }
  .footer-bottom { margin-top: 30px; align-items: start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *:before, *:after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}