@font-face {
  font-family: 'Barlow';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/barlow-0.woff2) format('woff2');
}

@font-face {
  font-family: 'Barlow';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/fonts/barlow-1.woff2) format('woff2');
}

@font-face {
  font-family: 'Barlow';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/fonts/barlow-2.woff2) format('woff2');
}

@font-face {
  font-family: 'Barlow';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/assets/fonts/barlow-3.woff2) format('woff2');
}

@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/fonts/barlow-4.woff2) format('woff2');
}

@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/fonts/barlow-5.woff2) format('woff2');
}

@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/assets/fonts/barlow-6.woff2) format('woff2');
}:root{--font-body:'Barlow',system-ui,sans-serif;--font-heading:'Barlow',system-ui,sans-serif;--color-bg:#faf9f5;--color-text:#173c40;--color-accent:#185758;--color-accent-900:#153d40;--color-accent-800:#174b4f;--color-accent-700:#256168;--color-accent-600:#357276;--color-accent-100:#edf3ed;--color-divider:#d7ded7;--color-neutral-700:#516664;--color-warning:#795c2c;--color-warning-bg:#fff6e7;--font-heading-weight:600}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--color-bg);color:var(--color-text);font:400 16px/1.65 var(--font-body);-webkit-font-smoothing:antialiased}a{color:var(--color-accent-800);text-underline-offset:4px}img{max-width:100%}h1,h2,h3{font-family:var(--font-heading);line-height:1.1;font-weight:600;letter-spacing:-.04em}h1{font-size:clamp(2.5rem,5vw,4.8rem);margin:0 0 24px}h2{font-size:clamp(2rem,3.5vw,3.2rem);margin:0 0 22px}h3{font-size:1.45rem;margin:0 0 12px}p{margin:0 0 20px}.wrap{max-width:1360px;padding:0 48px;margin:auto}main>section{margin-bottom:80px}.topbar{background:#163d40;color:#fff;font-size:.8rem;padding:7px 0}.topbar .wrap{display:flex;gap:25px}.topbar a{margin-left:auto;color:#fff}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:25px;padding-bottom:25px}header{border-bottom:1px solid var(--color-divider)}.brand{font-family:'Barlow Condensed',sans-serif;font-size:1.35rem;line-height:1.1;font-weight:600;text-decoration:none;letter-spacing:-.01em}.brand small{display:block;font:500 .6rem var(--font-body);letter-spacing:.18em;margin-top:9px}.desktop-nav{display:flex;align-items:center;gap:23px;font-size:.9rem}.desktop-nav a{text-decoration:none}.btn{font:600 .95rem/1.25 var(--font-body);min-height:48px;padding:14px 21px;display:inline-flex;align-items:center;justify-content:center;gap:20px;border-radius:7px;text-decoration:none;border:1px solid #547774;cursor:pointer;white-space:normal}.btn-primary{background:#d9ef81;border-color:#d9ef81;color:#193e37}.btn-primary:hover,.btn-primary:active,.btn-primary:focus-visible{background:#c7e769;color:#17352f}.btn-secondary{background:transparent;color:#174b4f}.btn-secondary:hover{background:#e5eee7}.text-link{font-weight:600;text-decoration:none}.eyebrow{font-size:.72rem;letter-spacing:.13em;font-weight:600;color:#486761;margin-bottom:22px}.hero{display:grid;grid-template-columns:.95fr 1.1fr;align-items:center;gap:50px;padding-top:40px;margin-bottom:35px}.hero h1{font-size:clamp(3.6rem,5.5vw,5.3rem);line-height:.98;letter-spacing:-.055em}.hero h1 em{font-style:normal;color:#318180}.hero .lede{font-size:1.08rem;line-height:1.65;max-width:490px;color:#526966}.actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap;margin:28px 0 20px}.hero-note{font-size:.86rem;color:#516965;line-height:1.8;margin:0}.hero-art{margin:0;position:relative;background:#eee7db;border-radius:16px;overflow:hidden;align-self:stretch;min-height:530px}.hero-art .scene-image{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.art-label{position:absolute;top:25px;left:25px;right:25px;color:#173c40}.art-label span{font-size:.6rem;letter-spacing:.12em}.art-label b{display:block;font-size:1.4rem;font-weight:500}.hero-art figcaption{position:absolute;bottom:0;left:0;right:0;padding:9px 15px;background:#faf9f5e8;font-size:.65rem;color:#4b625d}.brand-strip{display:flex;align-items:center;gap:45px;padding:30px 0;border-bottom:1px solid var(--color-divider);margin-bottom:35px}.brand-strip>p{max-width:150px;margin:0}.brand-strip>div{display:flex;justify-content:space-between;flex:1;gap:20px}.brand-strip a{font-family:'Barlow Condensed',sans-serif;font-size:1.85rem;font-weight:600;text-decoration:none;letter-spacing:.04em}.brand-strip small{display:block;font:400 .72rem var(--font-body);letter-spacing:0;color:#59706a}.quick-paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--color-divider);border-radius:12px;background:#fff;overflow:hidden}.quick-paths a{padding:27px;text-decoration:none;border-right:1px solid var(--color-divider)}.quick-paths a:last-child{border:0}.quick-paths span{font-size:.7rem;color:#61776f}.quick-paths h2{font-size:1.22rem;margin:13px 0;letter-spacing:-.02em}.quick-paths p{font-size:.9rem;color:#5b6f68;margin:0}.quick-paths a:hover{background:#eff4e9}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:30px}.section-heading h2{margin-bottom:0}.section-heading>p{max-width:340px;color:#586e67}.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.scene-card{display:block;text-decoration:none;background:#f0eee5;border-radius:14px;overflow:hidden}.scene-card .scene-image{display:block;width:100%;aspect-ratio:3/2;object-fit:cover}.scene-card>div{padding:25px 30px}.scene-card .eyebrow{margin-bottom:12px}.scene-card h3{font-size:1.65rem;display:flex;justify-content:space-between}.scene-card p:last-child{color:#546c65;margin-bottom:0}.scene-card:hover h3{text-decoration:underline}.image-note{font-size:.7rem;color:#59716b;margin-top:12px}.application-chips{display:flex;gap:12px;flex-wrap:wrap}.application-chips a{padding:10px 18px;border:1px solid var(--color-divider);border-radius:24px;text-decoration:none;font-size:.9rem}.technology-section{background:#eaf0e9;padding:40px;border-radius:16px}.technology-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:25px}.technology-card{background:#fafbf7;border:1px solid #d4e0d4;border-radius:10px;text-decoration:none;overflow:hidden}.technology-card>div{padding:23px}.technology-card h3{font-size:1.4rem}.technology-card p{font-size:.94rem;color:#546d64;margin:0}.technical-drawing{border:1px solid #c4d2cc;padding:16px;margin:24px 0;max-width:800px;color:#2e6867;background:linear-gradient(#66809a0a 1px,transparent 1px),linear-gradient(90deg,#66809a0a 1px,transparent 1px);background-size:24px 24px}.technical-drawing svg{width:100%;height:auto;display:block;max-height:370px}.technical-drawing svg text{fill:currentColor;stroke:none;font:11px monospace}.drawing-label{display:flex;justify-content:space-between;font:10px monospace;gap:12px;border-bottom:1px solid #d2ddd4;padding-bottom:10px}.technical-drawing figcaption{font-size:.65rem;border-top:1px solid #d2ddd4;padding-top:8px}.technical-drawing .signal{stroke:#2b898b;stroke-width:2.5}.technical-drawing .secondary{stroke:#8fae9e}.technical-drawing .dim{stroke:#7d9890;stroke-width:1}.technical-drawing .dashed{stroke-dasharray:4 5}.technology-card .technical-drawing{border:0;border-bottom:1px solid var(--color-divider);margin:0}.compact .drawing-label{font-size:8px}.compact figcaption{font-size:.6rem}.editorial-feature{display:grid;grid-template-columns:1fr 1.1fr;gap:80px;padding:45px 0;border-top:1px solid var(--color-divider);border-bottom:1px solid var(--color-divider)}.editorial-feature h2 em{font-style:normal;color:#328280}.editorial-feature>div>p:not(.eyebrow){color:#516c63;max-width:420px}.article-list>a{display:flex;gap:20px;text-decoration:none;padding:24px 0;border-bottom:1px solid var(--color-divider)}.article-list>a:first-child{padding-top:0}.article-list>a:last-child{border:0}.article-list>a>span{font-size:.75rem;color:#678476}.article-list h3{font-size:1.3rem}.article-list p{font-size:.94rem;color:#5a7068;margin:0}.article-list b{margin-left:auto}.process-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin-top:35px}.process-grid b{font-size:1.8rem;font-weight:500;letter-spacing:-.035em}.process-grid p{color:#5e726c;margin-top:8px}.cta{padding:45px;border-radius:14px;background:#194c4f;color:#fff}.cta h2{max-width:700px}.cta p{color:#d1e1dc;max-width:680px}.cta p a{color:#fff}.cta .btn{background:#d9ef81;color:#173e36;border-color:#d9ef81}.breadcrumbs{display:flex;flex-wrap:wrap;gap:9px;font-size:.8rem;margin:24px 0;color:#64766e}.page-head{padding:30px 0;max-width:950px}.page-head h1{font-size:clamp(2.2rem,4vw,3.7rem);overflow-wrap:anywhere}.lede{font-size:1.14rem;color:#546d65;line-height:1.7}.prose{max-width:880px;font-size:1.05rem}.prose h2{margin-top:40px;font-size:2rem}.prose h3{margin-top:25px}.prose li{margin:8px 0}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:22px}.card{display:block;background:#fff;border:1px solid var(--color-divider);border-radius:10px;padding:25px;color:var(--color-text);text-decoration:none}.card h3{font-size:1.4rem;overflow-wrap:anywhere}.card p{font-size:.95rem;color:#516961}.card:hover{border-color:#719a83}.card .eyebrow{font-size:.7rem}.blueprint:before,.blueprint:after{display:none}.badge{display:inline-block;font-size:.72rem;border:1px solid #cbd9cb;padding:3px 8px;border-radius:4px;margin:5px 5px 12px 0}.source{display:block;font-size:.72rem;color:#62746d;margin:6px 0 18px}.warning{padding:22px;background:#fff7e8;border-left:3px solid #9d7a42;margin:25px 0;border-radius:0 8px 8px 0;color:#53452b}.warning h2,.warning h3{font-size:1.05rem;margin-bottom:10px;letter-spacing:0}.warning p:last-child{margin:0}.meta,.muted{color:#546d65;font-size:.85rem}.table-scroll{overflow-x:auto;max-width:100%;margin:24px 0 35px}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{padding:15px;text-align:left;vertical-align:top;border-bottom:1px solid var(--color-divider);min-width:130px}th{background:#e8efe7;color:#244940;font-weight:600}th a{color:inherit}tr:nth-child(even){background:#f1f4ef}.two-col{display:grid;grid-template-columns:250px minmax(0,1fr);gap:30px}.filters fieldset{padding:15px;margin:0 0 16px}.filters label{display:flex;align-items:center;gap:8px;font-size:.85rem}.filters input[type=checkbox]{min-height:20px;width:20px}.filter-toggle{display:block;margin-bottom:15px}.filter-toggle>summary{font-size:1rem}.result-bar{display:flex;gap:15px;align-items:center;flex-wrap:wrap;margin:10px 0 20px}.result-bar p{margin:0}.field{margin-bottom:15px}.field label,legend{font-size:.9rem;font-weight:500;display:block;margin-bottom:8px}input,select,textarea{font:inherit;max-width:100%;min-height:46px;padding:12px;border:1px solid #aebfb2;background:#fff;color:#244a42;border-radius:6px}.field input,.field select,.field textarea{width:100%}.field small{font-size:.8rem;color:#5b736a}.form-grid,.tool-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.tool-form{max-width:780px;margin-bottom:50px}.tool-form .field{margin:0}.tool-form button,.tool-output,.tool-form>details{grid-column:1/-1}.tool-output{display:block;background:#edf3e8;padding:25px;border-left:3px solid #387c70;border-radius:0 8px 8px 0;white-space:normal}.tool-output:empty{display:none}.tool-output pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit}.tool-output .btn{margin:8px 10px 8px 0}.enquiry-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:60px}.enquiry-layout .tool-form{display:block;background:#fff;padding:30px;border:1px solid var(--color-divider);border-radius:12px}.enquiry-layout .field{margin-bottom:22px}.enquiry-layout .btn-primary{width:100%}.enquiry-aside{padding:30px;background:#eaf0e6;border-radius:12px;align-self:start}.enquiry-aside h2{font-size:1.7rem}.enquiry-aside a{font-weight:600}.enquiry-aside p:last-child{margin:0}.draft-note{font-size:.85rem;color:#516d62;margin:12px 0 0}.form-grid{gap:18px}.full{grid-column:1/-1}fieldset{border:1px solid var(--color-divider);padding:22px;margin:22px 0;border-radius:6px}details{border-bottom:1px solid var(--color-divider);margin:12px 0}summary{cursor:pointer;padding:12px 0;font-weight:500}details>div{padding:12px 0 20px}.toc a{display:block;padding:8px 0}.map{width:100%;height:330px;border:1px solid var(--color-divider)}address{font-style:normal}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1.2fr;gap:30px;padding-top:50px;padding-bottom:35px}footer{background:#173f41;color:#d9e5de;margin-top:80px;font-size:.85rem}footer h2{font-size:1.05rem;letter-spacing:0;color:#fff;margin-bottom:17px}footer a{display:block;color:#fff;margin:7px 0}footer p a{display:inline}.fineprint{padding-bottom:35px;font-size:.72rem}.skip{position:absolute;top:-100px;left:20px;padding:12px;background:#fff;z-index:100}.skip:focus{top:12px}.mobile-nav,.mobile-bar{display:none}button{cursor:pointer}:focus-visible{outline:3px solid #328280;outline-offset:4px}:target{scroll-margin-top:30px}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:.85rem}#comparison select{width:100%;margin:10px 0 20px}#comparison th button{display:block;margin-top:10px;padding:7px 12px;background:#fff;color:#34564d;border:1px solid #aac3b2;border-radius:5px}#comparison td{min-width:240px;overflow-wrap:anywhere}.mobile-bar a{min-height:52px}
@media(max-width:1100px){.wrap{padding:0 30px}.desktop-nav{gap:13px;font-size:.83rem}.brand{font-size:1.1rem}.hero{gap:30px}.hero-art{min-height:510px}.hero h1{font-size:4.2rem}.technology-section{padding:28px}.technology-card>div{padding:18px}}
@media(max-width:900px){.desktop-nav{display:none}.mobile-nav{display:block;position:relative;border:0;margin:0}.mobile-nav summary{white-space:nowrap}.mobile-nav nav{position:absolute;right:0;width:250px;z-index:50;background:#faf9f5;padding:18px;border:1px solid var(--color-divider);border-radius:8px}.mobile-nav nav a{display:block;padding:10px}.enquiry-layout{gap:30px}.hero h1{font-size:3.5rem}.hero-art{min-height:460px}}
@media(max-width:760px){.wrap{padding:0 20px}.topbar span{display:none}.topbar .wrap{font-size:.73rem}.header-inner{padding-top:17px;padding-bottom:17px}.brand{font-size:1.18rem}.brand small{font-size:.55rem}.hero{grid-template-columns:1fr;padding-top:28px;gap:25px;margin-bottom:22px}.hero h1{font-size:clamp(2.8rem,10vw,4rem)}.hero h1 br:last-child{display:none}.hero .lede{font-size:1rem}.hero .eyebrow{margin-bottom:18px}.hero .actions{gap:20px;margin:22px 0 16px}.hero-note{font-size:.8rem}.hero-art{min-height:0;aspect-ratio:3/2;max-height:450px}.art-label{top:14px;left:16px}.art-label b{font-size:1rem}.art-label span{font-size:.5rem}.hero-art figcaption{font-size:.58rem}.brand-strip{display:block;padding:20px 0;margin-bottom:25px}.brand-strip>p{max-width:none;margin-bottom:18px}.brand-strip>div{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.brand-strip a{font-size:1.5rem}.brand-strip small{font-size:.67rem}.quick-paths{grid-template-columns:1fr}.quick-paths a{border-right:0;border-bottom:1px solid var(--color-divider);padding:20px}.quick-paths h2{font-size:1.2rem;margin:8px 0}.quick-paths p{font-size:.85rem}.section-heading{display:block}.section-heading>a,.section-heading>p{margin-top:15px;display:inline-block}.scene-grid,.technology-grid,.editorial-feature,.process-grid,.enquiry-layout,.two-col{grid-template-columns:1fr}.scene-grid{gap:22px}.scene-card>div{padding:22px}.scene-card h3{font-size:1.45rem}.technology-section{padding:24px 16px}.technology-card{display:grid;grid-template-columns:.85fr 1.15fr}.technology-card .technical-drawing{border:0;border-right:1px solid var(--color-divider);display:flex;justify-content:center;flex-direction:column;padding:8px}.technology-card h3{font-size:1.2rem;letter-spacing:-.02em}.technology-card p{font-size:.83rem}.compact .drawing-label,.compact figcaption{display:none}.editorial-feature{gap:30px;padding:30px 0}.process-grid{gap:20px;margin-top:25px}.process-grid>div{padding-top:20px;border-top:1px solid var(--color-divider)}.process-grid b{font-size:1.55rem}.process-grid p{margin-bottom:0}.cta{padding:30px 23px}.cta .btn{width:100%}main>section{margin-bottom:50px}.page-head{padding:20px 0}.page-head h1{font-size:2.5rem}.lede{font-size:1rem}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.fineprint{padding-bottom:100px}.mobile-bar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:60;background:#173f41;box-shadow:0 -3px 15px #173f4120;padding-bottom:env(safe-area-inset-bottom)}.mobile-bar a{flex:1;text-align:center;padding:14px 7px;font-size:.85rem;color:#fff;text-decoration:none}.mobile-bar a+a{background:#d9ef81;color:#173e36;font-weight:600}.tool-form,.form-grid{grid-template-columns:1fr}.enquiry-layout .tool-form,.enquiry-aside{padding:23px}.filter-toggle{background:#fff;padding:0 18px;border:1px solid var(--color-divider);border-radius:8px}.two-col{gap:10px}.drawing-label{font-size:8px}.table-scroll{margin:20px 0}.result-bar{font-size:.9rem}.cards{grid-template-columns:1fr}}
@media(max-width:380px){.wrap{padding:0 16px}.brand{font-size:1rem}.hero h1{font-size:2.8rem}.hero .actions{gap:15px}.hero .btn{padding:13px 17px}.hero-art figcaption{font-size:.52rem}.footer-grid{grid-template-columns:1fr}.technology-card{display:block}.technology-card .technical-drawing{display:none}.page-head h1{font-size:2.2rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{header,.topbar,footer,.mobile-bar,.actions,.filters,.skip{display:none}.wrap,.prose{max-width:none;padding:0}body{background:#fff;font-size:11pt}.table-scroll{overflow:visible}h1{font-size:28pt}th{background:#eee;color:#111}a{color:inherit}tr{break-inside:avoid}.hero{display:block}.hero-art,.cta{display:none}}
.application-art{max-width:820px;margin:0 0 40px;border-radius:12px;overflow:hidden;background:#eee8dc}.application-art img{display:block;width:100%;height:auto}.application-art figcaption{padding:9px 15px;font-size:.7rem;color:#5b6f63}.hero-art .scene-image{object-position:48% 50%}
.hero-art .scene-image{top:auto;bottom:30px;height:auto;object-fit:contain}.art-label{top:24px}.hero-art{background:#ebe3d7}.hero-art figcaption{margin:0}.scene-card .scene-image{height:auto}.hero h1 em{display:inline}@media(max-width:760px){.hero-art .scene-image{top:0;bottom:auto;height:100%;object-fit:cover}.art-label{display:none}}
@media(max-width:760px){.hero{gap:18px}.hero-copy{display:contents}.hero-copy>.eyebrow{order:0;margin:0}.hero-copy>h1{order:1;margin:0;font-size:clamp(2.65rem,9.6vw,3.5rem)}.hero-art{order:2;width:100%;margin:0}.hero-copy>.lede{order:3;margin:0}.hero-copy>.actions{order:4;margin:0}.hero-copy>.hero-note{order:5}}
.physics-nav{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 25px}.physics-nav a{padding:8px 13px;border:1px solid #c7d9ce;border-radius:20px;font-size:.8rem;text-decoration:none}.physics-panel{display:grid;grid-template-columns:1fr 1.08fr;gap:45px;padding:45px 0;border-top:1px solid var(--color-divider);align-items:start}.physics-panel h2{font-size:2.4rem}.physics-panel h3{font-size:1.1rem;letter-spacing:0;margin-top:25px}.physics-copy p{color:#405f56}.physics-source{font-size:.75rem;margin-top:18px}.formula{font:500 1.05rem/1.6 monospace;padding:16px;background:#eaf1e4;border-radius:7px;overflow-wrap:anywhere}.physics-experiment{border:1px solid #c3d9cf;background:#f0f5ed;border-radius:13px;overflow:hidden;position:sticky;top:20px}.physics-experiment svg{display:block;width:100%;height:auto;color:#225957;padding:12px 8px}.physics-experiment svg text{font:12px 'Barlow',sans-serif;fill:#264e48;stroke:none}.physics-experiment .water-fill{fill:#c4e6e8;stroke:none}.physics-experiment .flow-arrow,.physics-experiment .signal,.physics-experiment .acoustic{stroke:#237d91;stroke-width:3}.physics-experiment .return-sound{stroke:#ad6039;stroke-width:3}.physics-experiment .field{stroke:#839c8c;stroke-width:1.5}.physics-experiment .hot-pipe{stroke:#c77738;stroke-width:14}.physics-control{padding:20px 25px 25px;border-top:1px solid #c3d9cf}.physics-control label{display:block;font-size:.9rem;font-weight:600}.physics-control input[type=range]{width:100%;border:0;padding:0;background:transparent;accent-color:#24675e;cursor:ew-resize}.range-labels{display:flex;justify-content:space-between;font-size:.75rem;color:#526f63}.physics-control output{display:block;padding:17px;background:#fff;border-radius:6px;margin-top:15px;font-size:.95rem;line-height:1.6;min-height:115px}.physics-home{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;padding:35px;border-radius:14px;background:#e9f0e4;align-items:center}.physics-home .technical-drawing{margin:0;background-color:#f7faf4}.physics-home h2{font-size:2.7rem}.physics-crosslink{padding:30px;background:#edf2e6;border-radius:12px;margin-top:35px}.physics-crosslink h2{font-size:1.8rem}.desktop-nav{gap:16px;font-size:.84rem}@media(max-width:1160px){.desktop-nav{display:none}.mobile-nav{display:block;position:relative;border:0}.mobile-nav nav{position:absolute;right:0;width:250px;background:#faf9f5;padding:18px;border:1px solid #cbd9cd;z-index:50}.mobile-nav nav a{display:block;padding:10px}}@media(max-width:760px){.physics-panel,.physics-home{grid-template-columns:1fr;gap:25px}.physics-panel{padding:30px 0;margin-bottom:30px}.physics-panel h2{font-size:2rem}.physics-experiment{position:static;grid-row:1}.physics-control{padding:18px}.physics-home{padding:25px}.physics-home h2{font-size:2.2rem}.physics-panel .physics-copy{grid-row:2}.physics-panel{scroll-margin-top:15px}.physics-control output{min-height:0}.physics-nav a{font-size:.75rem}}
body:has(.physics-nav) .page-head{margin-bottom:20px;padding-bottom:5px}body:has(.physics-nav) .physics-nav{margin-bottom:16px}.physics-panel:first-of-type{padding-top:25px}

/* Fixed logo dimensions prevent header layout shift. */
.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:48px;height:48px;object-fit:contain;flex:none;background:#fff;border-radius:8px}@media(max-width:760px){.brand-mark{width:36px;height:36px}.brand{gap:7px;font-size:1rem}.brand small{font-size:.5rem;letter-spacing:.12em}}@media(max-width:380px){.brand{font-size:.85rem}.brand-mark{width:30px;height:30px}}
/* Product catalogue and manufacturer ranges */
.product-hero,.brand-hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:56px;padding:35px 0 48px}.product-hero h1{font-family:'Barlow Condensed',sans-serif;font-size:clamp(2.6rem,5vw,5rem);line-height:1.02;overflow-wrap:anywhere;margin:20px 0}.product-art{margin:0;background:#fff;border:1px solid var(--color-divider);border-radius:12px;overflow:hidden}.product-art img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain}.product-art figcaption{font-size:.75rem;line-height:1.5;padding:12px 16px;color:#526560;border-top:1px solid #e5eae8}.product-intro{max-width:48ch;color:#40554f}.product-nav{display:flex;gap:26px;overflow-x:auto;padding:18px 0;border-block:1px solid var(--color-divider);margin-bottom:45px}.product-nav a{white-space:nowrap;text-decoration:none;font-weight:600;font-size:.9rem}.product-section{max-width:1050px;padding-top:15px;scroll-margin-top:100px}.product-section>ul{columns:2;column-gap:50px}.product-section li{break-inside:avoid;margin-bottom:12px;line-height:1.65}.product-two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px}.product-conflicts{background:#faf5e9;border-left:3px solid #a17a3c;padding:26px;border-radius:8px}.source-details{margin:24px 0}.source-details li{font-size:.9rem}.model-enquiry{background:#edf3ef;border-radius:14px;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:50px;scroll-margin-top:100px}.model-form{display:grid;gap:18px}.model-form label{display:grid;gap:8px;font-size:.9rem;font-weight:600}.model-form input,.model-form textarea{width:100%;font:inherit;border:1px solid #a9b9b2;border-radius:6px;padding:12px;background:white}.product-card{padding:0;overflow:hidden;background:white}.product-card .product-art{border:0;border-radius:0;border-bottom:1px solid var(--color-divider)}.product-card .product-art figcaption{font-size:.68rem;padding:8px 14px}.product-image-link{display:block;text-decoration:none}.product-card-body{padding:24px}.product-card-body h3{overflow-wrap:anywhere;font-size:1.5rem}.product-card-body>p:not(.eyebrow){font-size:.94rem;line-height:1.6}.product-card-links{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--color-divider);padding-top:18px;margin-top:20px;font-size:.88rem}.technical-note{aspect-ratio:4/3;padding:28px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}.technical-note>p{font-family:'Barlow Condensed',sans-serif;font-size:3rem;margin:10px}.brand-statement{font-family:'Barlow Condensed',sans-serif;font-size:2rem;line-height:1.15}.brand-summary{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--color-divider);margin-bottom:45px}.brand-summary>div{padding:24px;border-right:1px solid var(--color-divider)}.brand-summary>div:last-child{border:0}.brand-summary strong{display:block;font-family:'Barlow Condensed',sans-serif;font-size:2.3rem}.brand-summary span{font-size:.9rem}.range-nav{display:flex;flex-wrap:wrap;gap:12px}.range-nav a{padding:12px 16px;border:1px solid var(--color-divider);border-radius:6px;background:#fff;text-decoration:none;font-size:.9rem}.range-nav span{color:#647970;margin-left:12px}.brand-advice{padding:30px;background:#edf3ef;border-radius:12px}#models>section{padding-top:25px;margin-bottom:60px;scroll-margin-top:90px}.brand-directory{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-bottom:50px}.brand-directory>article{padding:35px;border:1px solid var(--color-divider);border-radius:12px;background:#fff}.product-section .prose{max-width:none}.product-hero .actions{flex-wrap:wrap}
@media(max-width:900px){.product-hero,.brand-hero{gap:25px}.product-two-col,.model-enquiry{gap:25px}.product-card-body{padding:18px}}
@media(max-width:760px){.product-hero,.brand-hero{grid-template-columns:1fr;padding-top:15px}.product-hero>figure{order:2}.product-hero h1{font-size:3rem}.product-hero .product-art img,.brand-hero .product-art img{max-height:330px}.product-section>ul{columns:1}.product-nav{gap:20px;margin-bottom:25px}.product-two-col,.model-enquiry,.brand-directory{grid-template-columns:1fr}.model-enquiry{padding:25px}.brand-summary>div{padding:16px 10px}.brand-summary strong{font-size:1.6rem}.brand-summary span{font-size:.8rem}.brand-directory>article{padding:25px}.product-card .product-art img{max-height:260px}.product-section{scroll-margin-top:75px}}
@media print{.product-nav,.model-enquiry,.product-card-links{display:none}.product-hero{display:grid;grid-template-columns:1fr 1fr}.product-section{break-inside:avoid}}
.brand-summary{grid-template-columns:repeat(3,minmax(0,1fr))}.brand-summary>div{min-width:0;overflow-wrap:anywhere}
@media(max-width:760px){.product-hero>figure{order:0}.product-hero .product-art img{max-height:220px}.product-hero .product-art figcaption{font-size:.7rem;padding:8px 12px}.product-hero{gap:20px}.product-hero h1{margin:12px 0}.product-hero .actions{margin:20px 0}.product-hero .meta{font-size:.8rem}}
.hero-art{background:#fff;border:1px solid var(--color-divider)}