@font-face { font-family: "TTG Corporate Sans"; src: url("../fonts/nimbus-sans-regular.woff") format("woff"); font-style: normal; font-weight: 400; font-display: swap; }
@font-face { font-family: "TTG Corporate Sans"; src: url("../fonts/nimbus-sans-bold.woff") format("woff"); font-style: normal; font-weight: 700; font-display: swap; }

:root {
	--ink: #232323;
	--ink-soft: #4f5655;
	--paper: #fff;
	--bone: #f4f4f1;
	--white: #fff;
	--signal: #c9252c;
	--line: #d7d9d7;
	--line-dark: rgba(255, 255, 255, .18);
	--muted: #686e6c;
	--surface-dark: #19212a;
	/* Content widths exclude the responsive page gutters. */
	--container-max: 1360px;
	--container-wide: 1440px;
	--container-reading: 760px;
	--container-narrow: 680px;
	--hero-title: 820px;
	--page-gutter: clamp(24px, 3vw, 40px);
	--shell: var(--container-max);
	--pad: var(--page-gutter);
	--space-1: 8px;
	--space-2: 12px;
	--space-3: 16px;
	--space-4: 24px;
	--space-5: 32px;
	--space-6: 40px;
	--space-7: 48px;
	--space-8: 64px;
	--space-9: 80px;
	--space-10: 96px;
	--section: clamp(56px, 5vw, 80px);
	--sans: "TTG Corporate Sans", "Helvetica Neue", Arial, sans-serif;
	--measure: 72ch;
	--type-display: clamp(3rem, 4.15vw, 4.25rem);
	--type-h1: clamp(2.75rem, 3.4vw, 3.5rem);
	--type-h2: clamp(2rem, 2.4vw, 2.5rem);
	--type-h3: clamp(1.5rem, 1.7vw, 1.75rem);
	--type-h4: clamp(1.3125rem, 1.35vw, 1.5rem);
	--type-h5: clamp(1.125rem, 1.1vw, 1.25rem);
	--type-lead: clamp(1.1875rem, 1.15vw, 1.3125rem);
	--type-body: clamp(1.0625rem, .13vw + 1.02rem, 1.125rem);
	--type-nav: clamp(.9375rem, .12vw + .91rem, 1rem);
	--type-button: clamp(.9375rem, .12vw + .91rem, 1rem);
	--type-label: clamp(.75rem, .12vw + .72rem, .8125rem);
	--type-meta: clamp(.8125rem, .12vw + .78rem, .875rem);
	--radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 0; margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: var(--type-body); line-height: 1.56; font-kerning: normal; font-variant-numeric: lining-nums tabular-nums; text-rendering: optimizeLegibility; }
body.nav-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; height: auto; }
img { width: 100%; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
button, input, textarea, select { font: inherit; }
h1, h2, h3, h4, h5, p { margin-top: 0; }
h1, h2, h3, h4, h5 { max-width: 100%; font-weight: 700; letter-spacing: -.02em; text-wrap: balance; overflow-wrap: break-word; }
h1 { font-size: var(--type-h1); line-height: 1.04; }
h2 { font-size: var(--type-h2); line-height: 1.1; }
h3 { font-size: var(--type-h3); line-height: 1.16; }
h4 { font-size: var(--type-h4); letter-spacing: -.015em; line-height: 1.2; }
h5 { font-size: var(--type-h5); letter-spacing: -.01em; line-height: 1.25; }
::selection { background: var(--signal); color: var(--white); }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 4px; }
.shell {
	width: min(100%, calc(var(--container-max) + (var(--page-gutter) * 2)));
	margin-inline: auto;
	padding-inline: var(--page-gutter);
}
.shell--wide { width: min(100%, calc(var(--container-wide) + (var(--page-gutter) * 2))); }
.reading-width { width: min(100%, var(--container-reading)); }
.narrow-width { width: min(100%, var(--container-narrow)); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 999; top: 12px; left: 12px; padding: 12px 18px; color: var(--white); background: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.eyebrow { margin-bottom: var(--space-3); font-size: var(--type-label); font-weight: 700; letter-spacing: .075em; line-height: 1.3; text-transform: uppercase; }

.site-header { position: relative; z-index: 50; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .98); }
.site-header__inner { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.corporate-wordmark { width: clamp(190px, 15vw, 224px); max-width: 100%; display: inline-flex; flex: 0 0 auto; text-decoration: none; }
.corporate-wordmark img { width: 100%; height: auto; }
.primary-nav .menu { display: flex; align-items: center; gap: clamp(16px, 2vw, 34px); margin: 0; padding: 0; list-style: none; }
.primary-nav a { font-size: var(--type-nav); font-weight: 700; letter-spacing: 0; text-decoration: none; }
.primary-nav a:hover, .primary-nav .current-menu-item > a, .primary-nav .current-menu-ancestor > a { color: var(--signal); }
.nav-toggle { display: none; width: 48px; height: 48px; border: 1px solid var(--line); background: transparent; align-items: center; justify-content: center; flex-direction: column; gap: 7px; }
.nav-toggle span:not(.sr-only) { width: 21px; height: 2px; background: currentColor; }

.home-hero {
	position: relative;
	display: flex;
	align-items: stretch;
	min-height: clamp(560px, 46vw, 680px);
	color: var(--white);
	border-bottom: 1px solid var(--line);
	background-image: linear-gradient(90deg, rgba(8,12,15,.86) 0%, rgba(8,12,15,.68) 42%, rgba(8,12,15,.28) 70%, rgba(8,12,15,.08) 100%), url('https://thinktankindustrial.com/wp-content/uploads/2026/09/test-and-validation.jpg');
	background-size: cover;
	background-position: center center;
	background-repeat: no-repeat;
}
.home-hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 760px); align-items: center; justify-content: start; padding-block: clamp(72px, 8vw, 112px); }
.home-hero__grid > *, .archive-hero__grid > *, .entity-hero__grid > *, .section-heading > *, .content-grid > *, .contact-band__grid > *, .site-footer__grid > * { min-width: 0; max-width: 100%; }
.home-hero h1 { max-width: min(760px, 100%); margin-bottom: var(--space-4); color: var(--white); font-size: var(--type-display); line-height: 1.02; text-wrap: balance; }
.hero-summary { max-width: var(--container-reading); color: var(--ink-soft); font-size: var(--type-lead); line-height: 1.5; }
.home-hero .eyebrow { color: rgba(255,255,255,.88); }
.home-hero .hero-summary { max-width: 610px; color: rgba(255,255,255,.86); }
.home-hero .actions { margin-top: 28px; }
.home-hero .button--primary { color: var(--white); background: var(--signal); border-color: var(--signal); }
.home-hero .button--primary:hover { color: var(--ink); background: var(--white); border-color: var(--white); }
.home-hero .button--text { color: var(--white); border-bottom-color: rgba(255,255,255,.72); }
.actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-top: 30px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 22px; border: 1px solid currentColor; border-radius: var(--radius); font-size: var(--type-button); font-weight: 700; letter-spacing: 0; line-height: 1.25; text-decoration: none; }
.button--primary { color: var(--white); background: var(--ink); border-color: var(--ink); }
.button--primary:hover { background: var(--signal); border-color: var(--signal); }
.button--text { min-height: auto; padding: 8px 0; border: 0; border-bottom: 1px solid currentColor; }
.button--light { color: var(--ink); background: var(--white); border-color: var(--white); }
.button--light:hover { color: var(--white); background: transparent; }
.scope-index { align-self: stretch; display: flex; flex-direction: column; justify-content: center; padding: clamp(28px, 3.2vw, 44px); border: 1px solid var(--line); background: var(--white); }
.scope-index > .eyebrow { padding-bottom: 16px; border-bottom: 2px solid var(--ink); }
.scope-index ol { margin: 0; padding: 0; list-style: none; }
.scope-index li { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; padding: 17px 0; border-bottom: 1px solid var(--line); }
.scope-index li > span { color: var(--signal); font-size: var(--type-meta); font-weight: 700; }
.scope-index a { display: grid; gap: 4px; text-decoration: none; }
.scope-index strong { font-size: 1.05rem; line-height: 1.3; }
.scope-index small { color: var(--muted); font-size: var(--type-meta); letter-spacing: 0; line-height: 1.4; }
.scope-index a:hover strong { color: var(--signal); }

.section { padding-block: var(--section); }
.section--bone { background: var(--bone); }
.section--dark { color: var(--white); background: var(--ink); }
.section--narrow { padding-block: clamp(48px, 4.5vw, 72px); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 30px; align-items: end; margin-bottom: clamp(32px, 3.5vw, 44px); }
.section-heading h2 { max-width: 19ch; margin: 0; }
.text-link { display: inline-flex; gap: 8px; align-items: center; font-size: var(--type-button); font-style: normal; font-weight: 700; letter-spacing: 0; line-height: 1.3; text-decoration: none; border-bottom: 1px solid currentColor; }
.entity-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.section--dark .entity-grid { background: var(--line-dark); border-color: var(--line-dark); }
.entity-grid--wide { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.entity-card { min-width: 0; display: flex; flex-direction: column; background: var(--paper); }
.section--bone .entity-card { background: var(--bone); }
.section--dark .entity-card { background: var(--ink); }
.entity-card__link { flex: 1 1 auto; display: flex; flex-direction: column; text-decoration: none; }
.entity-card__image { aspect-ratio: 1.45; overflow: hidden; border-bottom: 1px solid var(--line); }
.entity-card__image img { height: 100%; object-fit: cover; filter: saturate(.8) contrast(1.04); }
.entity-card__body { min-height: 230px; display: flex; flex-direction: column; padding: clamp(24px, 2.2vw, 32px); }
.entity-card__body h3 { margin-bottom: 14px; }
.entity-card__body p { color: var(--ink-soft); font-size: 1rem; }
.section--dark .entity-card__body p { color: rgba(255,255,255,.72); }
.entity-card .text-link { width: max-content; margin-top: auto; }
.entity-card__link:hover h3, .entity-card__link:hover .text-link { color: var(--signal); }
.entity-card__official { display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: 56px; padding: 14px clamp(26px, 3vw, 42px); border-top: 1px solid var(--line); font-size: .76rem; font-weight: 700; text-decoration: none; }
.entity-card__official:hover { color: var(--white); background: var(--signal); }

.brand-portfolio-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(20px, 2vw, 28px); }
.brand-portfolio { --brand-accent: var(--ink); min-width: 0; display: grid; grid-template-rows: auto 1fr auto; min-height: 450px; overflow: hidden; border: 1px solid var(--line); background: var(--paper); }
.section--bone .brand-portfolio { background: #f5f3ed; }
.brand-portfolio--thinktank { --brand-accent: #c5262a; }
.brand-portfolio--rohre { --brand-accent: #17345e; }
.brand-portfolio--yee-valve, .brand-portfolio--myers { --brand-accent: #070908; }
.brand-portfolio__artwork { height: 186px; min-height: 186px; display: grid; grid-template-rows: minmax(0, 1fr); place-items: center; overflow: hidden; padding: clamp(30px, 4vw, 52px); border-top: 5px solid var(--brand-accent); border-bottom: 1px solid var(--line); background: #fff; }
.brand-portfolio__artwork img { width: auto; max-width: 100%; height: auto; max-height: 76px; object-fit: contain; }
.brand-portfolio__artwork h3 { margin: 0; font-size: var(--type-h2); }
.brand-portfolio__body { padding: clamp(26px, 2.8vw, 38px); }
.brand-portfolio__positioning { margin-bottom: 16px; color: var(--brand-accent); font-size: var(--type-h3); font-weight: 700; letter-spacing: -.015em; line-height: 1.16; }
.brand-portfolio__body > p:last-child { max-width: 620px; margin-bottom: 0; color: var(--ink-soft); }
.brand-portfolio__actions { display: grid; grid-template-columns: 1fr auto; border-top: 1px solid var(--line); }
.brand-action { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px clamp(22px, 3vw, 38px); color: var(--ink-soft); font-size: var(--type-button); font-weight: 700; line-height: 1.3; text-decoration: none; }
.brand-action + .brand-action { border-left: 1px solid var(--line); }
.brand-action--primary { color: var(--white); background: var(--brand-accent); }
.brand-action:hover { color: var(--white); background: var(--ink); }
.index-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); }
.index-grid a { display: grid; grid-template-columns: 42px 1fr auto; gap: 18px; align-items: center; min-height: 96px; padding: 22px 0; border-bottom: 1px solid var(--line-dark); text-decoration: none; }
.index-grid a:nth-child(odd) { padding-right: 42px; border-right: 1px solid var(--line-dark); }
.index-grid a:nth-child(even) { padding-left: 42px; }
.index-grid span { color: var(--signal); font-size: var(--type-meta); font-weight: 700; }
.section--dark .index-grid span { color: #ff6b6b; }
.index-grid strong { min-width: 0; font-size: var(--type-h4); font-weight: 700; letter-spacing: -.025em; overflow-wrap: anywhere; }
.index-grid em { font-style: normal; }
.index-grid a:hover strong { color: var(--signal); }
.section--dark .index-grid a:hover strong { color: #ff6b6b; }
.capability-list { border-top: 1px solid var(--line); }
.capability-list > a { display: grid; grid-template-columns: 54px minmax(220px, .65fr) minmax(320px, 1fr) auto; gap: 26px; align-items: start; padding: 26px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.capability-list__number { color: var(--signal); font-size: var(--type-meta); font-weight: 700; }
.capability-list h3 { margin: 0; }
.capability-list p { max-width: 720px; margin: 0; color: var(--muted); }
.capability-list > a:hover h3 { color: var(--signal); }

.breadcrumbs { display: flex; flex-wrap: wrap; gap: 9px; padding-top: 20px; color: var(--muted); font-size: var(--type-meta); line-height: 1.45; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { color: var(--signal); }
.archive-hero, .entity-hero, .page-hero { padding-block: clamp(48px, 4.8vw, 68px); border-bottom: 1px solid var(--line); }
.archive-hero__grid { display: grid; grid-template-columns: minmax(300px, .82fr) minmax(0, 1.18fr); gap: clamp(36px, 5vw, 64px); align-items: end; }
.entity-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .88fr); gap: clamp(36px, 5vw, 64px); align-items: end; }
.archive-hero__heading .eyebrow { margin-bottom: 12px; }
.archive-hero h1, .entity-hero h1, .page-hero h1 { width: 100%; max-width: var(--hero-title); margin: 0; }
.entity-hero h1.sr-only { width: 1px; max-width: 1px; }
.page-hero__wordmark { width: min(100%, 360px); height: auto; margin-bottom: clamp(28px, 4vw, 42px); }
.archive-hero__grid > p { max-width: 680px; margin: 0 0 4px; font-size: var(--type-lead); line-height: 1.56; }
.entity-hero__grid .hero-summary { margin-bottom: 24px; }
.content-grid { display: grid; grid-template-columns: minmax(180px, .26fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); }
.prose { max-width: var(--container-reading); font-size: var(--type-body); overflow-wrap: break-word; }
.prose > * { max-width: var(--container-reading); }
.prose h2, .prose h3 { margin-top: 2.5em; }
.prose h2 { font-size: var(--type-h2); }
.prose a { color: var(--signal); }
.prose table { width: 100%; max-width: 100%; display: block; overflow-x: auto; border-collapse: collapse; font-size: var(--type-meta); font-variant-numeric: tabular-nums; }
.prose th, .prose td { padding: 14px; border: 1px solid var(--line); text-align: left; }
.prose th { font-weight: 700; letter-spacing: .015em; }
.relationship-section + .relationship-section { margin-top: 48px; }
.relationship-section h3 { margin-bottom: 24px; font-size: var(--type-h5); letter-spacing: 0; }
.relationship-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.relationship-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); }
.relationship-card__entity { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; min-height: 108px; padding: 22px; text-decoration: none; }
.relationship-card__logo { display: flex; align-items: center; min-height: 54px; }
.relationship-card__logo img { width: auto; max-width: 170px; height: auto; max-height: 58px; object-fit: contain; }
.relationship-card:hover { border-color: var(--signal); }
.relationship-card__official { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 50px; padding: 12px 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: var(--type-meta); font-weight: 700; text-decoration: none; }
.relationship-card__official:hover { color: var(--signal); }
.status { width: max-content; display: inline-flex; padding: 4px 8px; border: 1px solid currentColor; color: var(--muted); font-size: .62rem; font-weight: 700; letter-spacing: .08em; line-height: 1.2; text-transform: uppercase; }
.status--primary { color: var(--signal); }

.brand-hero { --brand-accent: var(--ink); border-top: 5px solid var(--brand-accent); background: #fff; }
.brand-hero--thinktank { --brand-accent: #c5262a; }
.brand-hero--rohre { --brand-accent: #17345e; }
.brand-hero--yee-valve, .brand-hero--myers { --brand-accent: #070908; }
.brand-hero .eyebrow { color: var(--brand-accent); }
.brand-hero__logo { max-width: 580px; margin-top: 26px; }
.brand-hero__logo img { width: auto; max-width: 100%; height: auto; max-height: 140px; object-fit: contain; }
.project-visual-section { padding-top: clamp(28px, 4vw, 48px); }
.project-visual { margin: 0; border: 1px solid var(--line); background: var(--white); }
.project-visual > img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; filter: saturate(.78) contrast(1.04); }
.project-visual figcaption { display: flex; justify-content: space-between; gap: 20px; padding: 13px 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: var(--type-meta); line-height: 1.45; }
.project-visual figcaption a { text-underline-offset: 3px; }
.split-sections { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(48px, 7vw, 96px); }
.split-sections h2 { max-width: 18ch; font-size: var(--type-h2); }
.line-list { margin: 28px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.line-list li { padding: 17px 0; border-bottom: 1px solid var(--line); }
.facts-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.facts-grid > div { min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; gap: 20px; padding: 28px; background: var(--bone); }
.facts-grid span { color: var(--muted); font-size: var(--type-meta); font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.project-data-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--line); }
.project-data-grid > div { min-width: 0; display: grid; grid-template-columns: minmax(120px, .34fr) minmax(0, 1fr); gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.project-data-grid > div:nth-child(odd) { padding-right: 32px; }
.project-data-grid > div:nth-child(even) { padding-left: 32px; border-left: 1px solid var(--line); }
.project-data-grid dt { color: var(--muted); font-size: var(--type-meta); font-weight: 700; letter-spacing: .06em; line-height: 1.45; text-transform: uppercase; }
.project-data-grid dd { min-width: 0; margin: 0; font-size: var(--type-body); line-height: 1.5; overflow-wrap: anywhere; }
.evidence-note { padding-block: 54px; border-top: 1px solid var(--line); }
.evidence-note p:not(.eyebrow) { max-width: 760px; }
.empty-state { max-width: 850px; min-height: 240px; display: flex; flex-direction: column; justify-content: center; }
.empty-state h2 { max-width: 13ch; }
.empty-state p:last-child { max-width: 650px; color: var(--muted); }
.pagination { width: 100%; display: flex; justify-content: center; margin-top: clamp(44px, 5vw, 64px); }
.pagination .nav-links { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; margin: 0; }
.pagination .page-numbers { min-width: 48px; min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 11px 15px; border: 1px solid var(--line); border-radius: 2px; color: var(--ink-soft); background: var(--paper); font-size: var(--type-meta); font-weight: 700; line-height: 1; text-decoration: none; }
.pagination a.page-numbers:hover { color: var(--signal); border-color: var(--signal); }
.pagination .current { color: var(--white); background: var(--ink); border-color: var(--ink); }
.pagination .prev, .pagination .next { min-width: 94px; padding-inline: 18px; }
.pagination .dots { min-width: 28px; padding-inline: 4px; border-color: transparent; background: transparent; color: var(--muted); }

.contact-band { padding-block: clamp(52px, 4.5vw, 68px); color: var(--white); background: var(--signal); }
.contact-band__grid { display: grid; grid-template-columns: .35fr 1fr .7fr; gap: clamp(32px, 6vw, 100px); align-items: start; }
.contact-band h2 { max-width: 12ch; margin: 0; font-size: var(--type-h2); }
.contact-band p:not(.eyebrow) { max-width: 520px; color: rgba(255,255,255,.9); }
.contact-band .button { margin-top: 16px; }
.contact-band .button--light { color: var(--ink); background: var(--white); border-color: var(--white); }
.contact-band .button--light:hover { color: var(--white); background: transparent; border-color: var(--white); }
.contact-details { margin: 50px 0 28px; border-top: 1px solid var(--line); }
.contact-details > * { display: grid; grid-template-columns: 150px 1fr; gap: 30px; padding: 22px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.contact-details span { color: var(--muted); font-size: var(--type-meta); font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.contact-details strong { font-weight: 400; }
.contact-note { color: var(--muted); font-size: .9rem; }
.not-found { min-height: 70svh; display: flex; align-items: center; padding-block: var(--section); }
.not-found h1 { max-width: 11ch; }
.not-found > .shell > p:not(.eyebrow) { max-width: 680px; font-size: 1.2rem; }

.site-footer { padding-top: 56px; color: rgba(255,255,255,.8); border-top: 1px solid rgba(255,255,255,.16); background: var(--ink); }
.site-footer__grid { display: grid; grid-template-columns: 1.2fr .7fr .8fr; gap: clamp(40px, 5vw, 72px); padding-bottom: 52px; }
.corporate-wordmark--footer { width: min(100%, 230px); }
.site-footer__statement { max-width: 560px; margin-top: 28px; color: rgba(255,255,255,.62); font-size: 1.08rem; }
.site-footer h2 { margin-bottom: 22px; color: var(--white); font-size: var(--type-label); font-weight: 700; letter-spacing: .085em; line-height: 1.3; text-transform: uppercase; }
.site-footer .menu { margin: 0; padding: 0; list-style: none; columns: 2; }
.site-footer .menu li { margin-bottom: 8px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.site-footer__bottom { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-top: 1px solid var(--line-dark); font-size: var(--type-meta); letter-spacing: 0; }

@media (max-width: 1100px) {
	.primary-nav .menu { gap: 16px; }
	.primary-nav a { font-size: .9375rem; }
	.contact-band__grid { grid-template-columns: .3fr 1fr; }
	.contact-band__grid > div { grid-column: 2; }
}

@media (max-width: 900px) {
	:root {
		--section: 56px;
		--type-display: clamp(3rem, 6vw, 3.5rem);
		--type-h1: clamp(2.75rem, 5.5vw, 3.25rem);
		--type-h2: clamp(2.125rem, 4.5vw, 2.5rem);
		--type-h3: clamp(1.625rem, 3.4vw, 1.875rem);
	}
	.nav-toggle { display: flex; }
	.primary-nav { position: fixed; inset: 78px 0 0; display: none; overflow: auto; padding: 32px var(--pad) 60px; background: var(--paper); }
	.primary-nav.is-open { display: block; }
	.primary-nav .menu { display: block; }
	.primary-nav .menu li { border-bottom: 1px solid var(--line); }
	.primary-nav a { display: block; padding: 18px 0; font-size: 1rem; }
	.home-hero { min-height: 560px; background-position: 58% center; }
	.home-hero__grid, .archive-hero__grid, .entity-hero__grid { grid-template-columns: 1fr; }
	.scope-index { min-height: 0; padding: 32px; }
	.entity-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.capability-list > a { grid-template-columns: 48px 1fr auto; }
	.capability-list > a p { grid-column: 2 / -1; }
	.content-grid { grid-template-columns: 1fr; gap: 28px; }
	.relationship-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.contact-band__grid { grid-template-columns: 1fr; }
	.contact-band__grid > div { grid-column: auto; }
	.site-footer__grid { grid-template-columns: 1fr 1fr; }
	.site-footer__grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
	:root {
		--page-gutter: clamp(20px, 6vw, 24px);
		--pad: var(--page-gutter);
		--section: 48px;
		--type-display: clamp(2.625rem, 11vw, 3rem);
		--type-h1: clamp(2.5rem, 10.5vw, 2.875rem);
		--type-h2: clamp(2rem, 8vw, 2.25rem);
		--type-h3: clamp(1.5rem, 6.5vw, 1.75rem);
		--type-h4: clamp(1.3125rem, 5.4vw, 1.4375rem);
		--type-body: 1.0625rem;
		--type-lead: clamp(1.15625rem, 4.7vw, 1.25rem);
	}
	.site-header__inner { min-height: 78px; }
	.primary-nav { inset-block-start: 78px; }
	.site-header__inner { gap: 20px; }
	.corporate-wordmark { width: min(52vw, 190px); max-height: none; }
	.corporate-wordmark img { max-height: none; }
	.home-hero {
		min-height: 540px;
		background-image: linear-gradient(90deg, rgba(8,12,15,.86) 0%, rgba(8,12,15,.72) 68%, rgba(8,12,15,.44) 100%), url('https://thinktankindustrial.com/wp-content/uploads/2026/09/test-and-validation.jpg');
		background-position: 58% center;
	}
	.home-hero__grid { gap: 0; padding-block: 52px 48px; }
	.home-hero h1 { max-width: 100%; font-size: clamp(2.125rem, 10.5vw, 2.5rem); line-height: 1.04; }
	.home-hero .hero-summary { max-width: 31rem; }
	.home-hero .actions { gap: 18px; margin-top: 26px; }
	.section-heading { grid-template-columns: 1fr; align-items: start; }
	.entity-grid, .entity-grid--wide, .brand-portfolio-grid, .relationship-grid, .split-sections, .facts-grid { grid-template-columns: 1fr; }
	.project-visual > img { aspect-ratio: 4 / 3; }
	.project-visual figcaption { flex-direction: column; gap: 5px; }
	.project-data-grid { grid-template-columns: 1fr; }
	.project-data-grid > div { grid-template-columns: 1fr; gap: 7px; padding: 20px 0; }
	.project-data-grid > div:nth-child(odd), .project-data-grid > div:nth-child(even) { padding-inline: 0; border-left: 0; }
	.brand-portfolio { min-height: 0; }
	.brand-portfolio__artwork { height: 145px; min-height: 145px; padding: 30px; }
	.brand-portfolio__artwork img { max-height: 90px; }
	.brand-portfolio__actions { grid-template-columns: 1fr; }
	.brand-action + .brand-action { border-left: 0; border-top: 1px solid var(--line); }
	.brand-hero__logo img { max-height: 110px; }
	.entity-card__body { min-height: 0; }
	.index-grid { grid-template-columns: 1fr; }
	.index-grid a:nth-child(odd), .index-grid a:nth-child(even) { padding-inline: 0; border-right: 0; }
	.capability-list > a { grid-template-columns: 36px 1fr auto; gap: 16px; }
	.capability-list > a p { grid-column: 1 / -1; }
	.contact-details > * { grid-template-columns: 1fr; gap: 5px; }
	.pagination { margin-top: 40px; }
	.pagination .nav-links { gap: 6px; }
	.pagination .page-numbers { min-width: 44px; min-height: 44px; padding: 10px 12px; }
	.pagination .prev, .pagination .next { min-width: 82px; padding-inline: 14px; }
	.site-footer__grid { grid-template-columns: 1fr; }
	.site-footer__grid > div:first-child { grid-column: auto; }
	.site-footer__bottom { min-height: 100px; align-items: flex-start; justify-content: center; flex-direction: column; }
}

@media (max-width: 480px) {
	.pagination a.page-numbers:not(.prev):not(.next), .pagination .dots { display: none; }
}

@media (max-width: 360px) {
	:root { --type-display: 2.5rem; --type-h1: 2.375rem; }
}

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}


/* Footer typography refinement — 2026-08-31 */
.site-footer {
  padding-top: 36px;
}

.site-footer__grid {
  align-items: start;
  gap: clamp(30px, 3vw, 44px);
  padding-bottom: 30px;
}

.site-footer__statement {
  max-width: 28rem;
  margin-top: 10px;
  color: rgba(255, 255, 255, .64);
  font-size: clamp(1rem, .12vw + .97rem, 1.0625rem);
  line-height: 1.5;
}

.site-footer h2 {
  margin-bottom: 16px;
  font-size: .8125rem;
  letter-spacing: .09em;
  line-height: 1.25;
}

.site-footer .menu {
  columns: 1;
}

.site-footer .menu li {
  margin-bottom: 4px;
}

.site-footer .menu a {
  color: rgba(255, 255, 255, .76);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.45;
}

.site-footer__grid > div:last-child p {
  max-width: 28rem;
  margin: 0;
  color: rgba(255, 255, 255, .72);
  font-size: 1rem;
  line-height: 1.55;
}

.site-footer__grid > div:last-child p + p {
  margin-top: 14px;
}

.site-footer__bottom {
  min-height: 56px;
  color: rgba(255, 255, 255, .68);
  font-size: .8125rem;
  line-height: 1.4;
}

.site-footer__statement,
.site-footer__grid > div:last-child p {
  white-space: normal;
  overflow-wrap: break-word;
}

@media (min-width: 1024px) {
  .site-footer__grid {
    grid-template-columns: 30% 10% 30% 30%;
    gap: 0;
  }

  .site-footer__grid > div:nth-child(1) { grid-column: 1; }
  .site-footer__grid > div:nth-child(2) { grid-column: 3; }
  .site-footer__grid > div:nth-child(3) { grid-column: 4; }
}

@media (max-width: 767px) {
  .site-footer {
    padding-top: 32px;
  }

  .site-footer__grid {
    gap: 24px;
    padding-bottom: 28px;
  }

  .site-footer__statement {
    max-width: 28rem;
    margin-top: 10px;
    font-size: 1rem;
  }

  .site-footer h2 {
    margin-bottom: 14px;
  }

  .site-footer .menu a {
    font-size: 1rem;
  }

  .site-footer__grid > div:last-child p {
    max-width: 28rem;
    font-size: .96875rem;
  }

  .site-footer__bottom {
    min-height: 72px;
  }
}


/* Contact enquiry */
.contact-page { padding-top: clamp(48px, 5vw, 76px); }
.contact-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(48px, 7vw, 112px); align-items: start; }
.contact-panel h2, .contact-form-panel h2 { margin-bottom: 22px; font-size: var(--type-h2); }
.contact-intro { max-width: 650px; color: var(--ink-soft); }
.contact-panel .contact-details { margin-top: 38px; }
.contact-form-panel { padding: clamp(30px, 4vw, 52px); border: 1px solid var(--line); background: var(--bone); }
.contact-form-panel > .eyebrow { color: var(--ink); }
.contact-form { margin-top: 34px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 20px; }
.form-field { min-width: 0; display: grid; gap: 9px; margin: 0; color: var(--ink); font-size: var(--type-meta); font-weight: 700; letter-spacing: .02em; }
.form-field--full { grid-column: 1 / -1; }
.form-field b { color: var(--ink); }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-width: 0; padding: 14px 16px; border: 1px solid #b9bbb8; border-radius: 0; color: var(--ink); background: var(--white); font-size: 1rem; font-weight: 400; letter-spacing: 0; line-height: 1.45; }
.form-field input, .form-field select { min-height: 52px; }
.form-field textarea { min-height: 176px; resize: vertical; }
.form-field input[type="file"] { min-height: 52px; padding: 12px; background: rgba(255,255,255,.65); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: 3px solid rgba(7,9,8,.12); outline-offset: 0; border-color: var(--ink); }
.form-field small { color: var(--muted); font-size: .78rem; font-weight: 400; letter-spacing: 0; }
.form-submit { display: flex; gap: 24px; align-items: center; justify-content: space-between; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.form-submit p { max-width: 360px; margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.5; }
.form-submit .button { flex: 0 0 auto; }
.form-status { margin: 0 0 24px; padding: 16px 18px; border-left: 4px solid currentColor; font-size: .92rem; }
.form-status--success { color: #1f6645; background: #eaf4ee; }
.form-status--error { color: var(--ink); background: #ececea; }
.contact-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
@media (max-width: 980px) {
	.contact-layout { grid-template-columns: 1fr; gap: 52px; }
	.contact-panel { max-width: 760px; }
}
@media (max-width: 640px) {
	.contact-form-panel { padding: 28px 22px; }
	.form-grid { grid-template-columns: 1fr; gap: 20px; }
	.form-field--full { grid-column: auto; }
	.form-submit { align-items: stretch; flex-direction: column; }
	.form-submit .button { width: 100%; }
}


/* Rohre detail logo balance */
.brand-hero--rohre .brand-hero__logo { min-height: 140px; display: flex; align-items: center; }
.brand-hero--rohre .brand-hero__logo img { width: auto; max-width: 300px; max-height: 96px; object-fit: contain; }
@media (max-width: 640px) {
	.brand-hero--rohre .brand-hero__logo { min-height: 112px; }
	.brand-hero--rohre .brand-hero__logo img { max-width: 240px; max-height: 76px; }
}