@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600&display=swap');

:root{--blue:#0066B3;--blue-strong:#005b9f;--sky:#4d9fda;--ink:#17344c;--muted:#506b7d;--pale:#eaf2f6;--pale-2:#f3f7f9;--line:#c9dce7;--amber:#d99618;--paper:#f8fbfc;--font:"Manrope",sans-serif;--display:"Space Grotesk",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);line-height:1.55;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}.skip-link{position:absolute;left:16px;top:-60px;z-index:100;background:var(--amber);color:#17344c;padding:10px 14px;font-weight:700}.skip-link:focus{top:12px}.shell{width:min(1240px,calc(100% - 48px));margin:auto}.eyebrow{font:600 11px var(--display);letter-spacing:.16em;text-transform:uppercase;color:var(--blue)}h1,h2,h3,p{margin-top:0}h1,h2{font-family:var(--display);font-weight:400;color:var(--blue);letter-spacing:-.045em}h1{font-size:clamp(2.8rem,6vw,5.55rem);line-height:.98}h2{font-size:clamp(2rem,3.4vw,3.45rem);line-height:1.05}h3{font:600 1.1rem var(--display);letter-spacing:-.025em}.lead{font-size:1.12rem;color:#476276;max-width:58ch}.text-link{display:inline-flex;align-items:center;gap:.6rem;color:var(--blue);font-weight:700;border-bottom:1px solid currentColor;padding-bottom:.2rem}.text-link b{color:var(--amber);font-size:1.2em;transition:transform .25s ease}.text-link:hover b{transform:translateX(4px)}a:focus-visible,button:focus-visible{outline:3px solid var(--amber);outline-offset:4px}
header{height:86px;background:rgba(251,253,255,.96);border-bottom:1px solid #e3eef5;position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand img{width:158px;height:auto}.links{display:flex;align-items:center;gap:26px;font:600 12px var(--display);letter-spacing:.045em;text-transform:uppercase;color:#456579}.links a{padding:8px 0;border-bottom:2px solid transparent}.links a:hover,.links a.active{border-color:var(--amber);color:var(--blue)}.contact{color:var(--blue)!important}.language-switch{margin-left:2px;padding-left:14px!important;border-left:1px solid #cbd9e2!important;color:var(--blue)!important;white-space:nowrap}.menu{display:none;background:none;border:0;color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.hero{min-height:630px;position:relative;background:#10283a;color:#fff;display:grid;align-items:end}.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.72}.hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,27,42,.86) 0%,rgba(8,27,42,.5) 48%,rgba(8,27,42,.18))}.hero-copy{position:relative;z-index:1;padding:112px 0 82px;max-width:760px}.hero h1{color:white;margin:.4rem 0 1.4rem}.hero p{max-width:53ch;color:#e2edf3;font-size:1.1rem}.hero .eyebrow{color:#9fd4f3}.hero-note{display:flex;gap:18px;margin-top:2.3rem;font-size:.83rem;color:#c9dbe6}.hero-note:before{content:"";width:38px;height:1px;background:var(--amber);margin-top:.75em;flex:0 0 auto}
.intro{padding:110px 0;display:grid;grid-template-columns:1.1fr .9fr;gap:10vw;align-items:end}.intro p{max-width:50ch;color:var(--muted)}.rule{border:0;border-top:1px solid var(--line);margin:0}.facts{padding:55px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.fact{border-left:2px solid var(--amber);padding-left:18px}.fact strong{display:block;font:400 clamp(1.6rem,3vw,2.5rem) var(--display);color:var(--blue);letter-spacing:-.05em}.fact span{font-size:.9rem;color:var(--muted)}
.surface{background:var(--pale-2);box-shadow:0 0 0 100vmax var(--pale-2);clip-path:inset(0 -100vmax)}.surface-deep{background:var(--pale);box-shadow:0 0 0 100vmax var(--pale)}.surface-blue{background:var(--blue-strong);box-shadow:0 0 0 100vmax var(--blue-strong)}.surface-blue,.surface-blue h2,.surface-blue h3,.surface-blue .eyebrow,.surface-blue .fact strong,.surface-blue .fact span{color:#fff}.surface-blue .eyebrow{color:#c3e3f4}.surface-blue .fact{border-color:var(--amber)}.surface-blue .fact span{color:#d7eaf5}
.split-product{display:grid;grid-template-columns:1fr 1fr;min-height:510px;align-items:center;background:var(--pale-2)}.product-photo{height:100%;min-height:430px;background:#f7f9fb;display:flex;align-items:center;justify-content:center;padding:7%}.product-photo img{max-height:390px;object-fit:contain}.product-copy{padding:clamp(42px,7vw,104px);max-width:650px}.product-copy p{color:var(--muted)}.product-copy .text-link{margin-top:12px}
.tile-grid{display:grid;grid-template-columns:1fr 1fr}.tile{min-height:365px;position:relative;background-size:cover;background-position:center;color:#fff;display:flex;align-items:flex-end;padding:38px}.tile.neutral{background:linear-gradient(135deg,#0d527e,#4a9dca)}.tile:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,27,42,.78),rgba(6,27,42,.1) 75%)}.tile>*{position:relative}.tile h3{font:400 clamp(1.6rem,2.5vw,2.4rem) var(--display);line-height:1.1;max-width:12ch;margin:0 0 16px}.tile h3 b{font-weight:600}.tile .text-link{color:#fff;border:0}.tile .text-link b{color:var(--amber)}.section-title{padding:105px 0 46px}.section-title p{color:var(--muted);max-width:54ch}.blueband{background:var(--blue);color:white;padding:80px 0}.blueband h2{color:white;max-width:17ch;margin-bottom:1.5rem}.blueband p{max-width:54ch;color:#e3f1fb}.button{display:inline-flex;padding:13px 21px;background:var(--amber);color:#193e58;font:700 12px var(--display);text-transform:uppercase;letter-spacing:.08em;margin-top:10px}
.page-hero{background:var(--pale);padding:85px 0 65px;border-bottom:1px solid var(--line)}.page-hero h1{max-width:900px;margin:.45rem 0 1.2rem}.page-hero .lead{color:#4b6c81}.image-copy{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,8vw,130px);align-items:center;padding:105px 0}.image-copy figure{margin:0;background:#f4f9fc;padding:35px}.image-copy figure img{width:100%;max-height:420px;object-fit:contain}.image-copy p{color:var(--muted)}.production{background:#10283a;color:white;position:relative;padding:100px 0;min-height:430px;display:flex;align-items:center}.production:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#10283a 20%,rgba(16,40,58,.48)),url("assets/production.jpg") center/cover}.production .shell{position:relative}.production h2{color:white;max-width:600px}.production p{max-width:510px;color:#d1e1eb}.sheet-list{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin:10px 0 100px}.sheet-list a{padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font:500 1rem var(--display);color:var(--blue);background:#fdfefe}.sheet-list a span{color:var(--amber);font-size:1.4rem}.sheet-list a:hover{background:var(--pale)}
.video-hero{min-height:590px;color:white;position:relative;display:grid;align-items:end;background:#132b3c}.video-hero video,.video-hero:after{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.video-hero:after{content:"";background:linear-gradient(90deg,rgba(8,28,43,.82),rgba(8,28,43,.28))}.video-copy{position:relative;z-index:2;padding:110px 0 70px;max-width:720px}.video-copy h1{color:white;margin:.4rem 0 1rem}.video-copy p{color:#dce9ef;max-width:55ch}.video-toggle{position:absolute;z-index:3;right:max(24px,calc((100vw - 1240px)/2));bottom:32px;background:rgba(255,255,255,.92);color:var(--blue);border:0;padding:12px 16px;font-weight:700;font-size:12px;letter-spacing:.05em}
.video-copy .eyebrow{color:#bce8ff}.viewer-stage{background:#eaf4f9;padding:90px 0}.viewer-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(30px,6vw,90px);align-items:center}.viewer-panel{height:500px;min-height:460px;background:radial-gradient(circle at 50% 35%,#fff,#e8f1f6);border:1px solid var(--line);position:relative;overflow:hidden}.recuperator-viewer{width:100%;height:100%;touch-action:none;cursor:grab}.recuperator-viewer:active{cursor:grabbing}.recuperator-viewer canvas{display:block;width:100%;height:100%;outline:0}.viewer-status{position:absolute;inset:auto 20px 18px;z-index:2;margin:0;color:#4d687a;font-size:.82rem;background:rgba(255,255,255,.88);padding:6px 9px}.viewer-status[hidden]{display:none}.viewer-status.is-error{color:#8a2c20}.viewer-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.viewer-reset,.viewer-cutaway{position:relative;background:#fff;border:1px solid var(--line);padding:10px 14px;color:var(--blue);font-size:.78rem;font-weight:700}.viewer-cutaway{background:var(--blue);border-color:var(--blue);color:#fff}.viewer-cutaway[aria-pressed="true"]{background:var(--amber);border-color:var(--amber);color:#17344c}.viewer-reset:disabled,.viewer-cutaway:disabled{cursor:wait;opacity:.48}.viewer-note{max-width:48ch;margin:16px 0 0;color:var(--muted);font-size:.78rem;line-height:1.55}.viewer-panel::after{content:"Cutaway";position:absolute;top:16px;right:16px;padding:5px 8px;background:rgba(23,52,76,.88);color:#fff;font:600 10px var(--display);letter-spacing:.12em;text-transform:uppercase;opacity:0;transform:translateY(-4px);transition:opacity .3s ease,transform .3s ease;pointer-events:none}.viewer-panel.is-cutaway::after{opacity:1;transform:none}.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-bottom:95px}.project-grid article{background:var(--paper);padding:32px}.project-grid p{font-size:.92rem;color:var(--muted)}.project-tag{color:var(--blue);font:600 .72rem var(--display);letter-spacing:.1em;text-transform:uppercase}
.chain{padding:95px 0;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line)}.chain article{background:var(--paper);padding:35px}.chain strong{display:block;font:400 2.6rem var(--display);color:var(--amber);margin-bottom:36px}.chain p{color:var(--muted);font-size:.94rem}.datacenter-hero{background:#e9f5fb}.datacenter-hero .shell{display:grid;grid-template-columns:1.05fr .95fr;align-items:end;gap:50px}.datacenter-hero img{width:100%;align-self:end}.simple-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:55px;padding:95px 0}.simple-grid p{color:var(--muted)}.company-grid{padding:90px 0;display:grid;grid-template-columns:1fr 1fr;gap:80px}.company-grid p{color:var(--muted)}.company-grid ul{margin:22px 0 0;padding:0;list-style:none}.company-grid li{padding:12px 0;border-bottom:1px solid var(--line);font-weight:600;color:var(--blue)}
@media(max-width:1000px){.menu{display:block}.links{display:none;position:absolute;top:72px;left:0;right:0;background:var(--paper);padding:18px;box-shadow:0 10px 16px #17344c22;align-items:stretch;gap:2px}.links.open{display:flex;flex-direction:column}.links a{padding:12px}}@media(max-width:760px){.shell{width:min(100% - 36px,1240px)}header{height:72px}.brand img{width:128px}.hero{min-height:560px}.hero-copy{padding:80px 0 56px}.intro,.split-product,.image-copy,.datacenter-hero .shell,.company-grid{grid-template-columns:1fr;gap:35px}.intro{padding:72px 0}.facts{grid-template-columns:1fr;gap:25px;padding:36px 0}.split-product{display:flex;flex-direction:column}.product-photo{width:100%;min-height:310px}.product-copy{padding:52px 28px}.tile-grid,.sheet-list,.simple-grid{grid-template-columns:1fr}.tile{min-height:310px;padding:28px}.section-title{padding:70px 0 34px}.page-hero{padding:64px 0 48px}.image-copy{padding:65px 0}.image-copy figure{padding:18px}.production{padding:72px 0}.video-hero{min-height:560px}.video-copy{padding:80px 0 70px}.chain{padding:0;grid-template-columns:1fr}.chain article{padding:32px}.simple-grid,.company-grid{padding:65px 0;gap:32px}.video-toggle{right:18px;bottom:20px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media(max-width:900px){.links{gap:16px;font-size:11px}.viewer-grid,.project-grid{grid-template-columns:1fr}.viewer-stage{padding:65px 0}}@media(max-width:760px){.viewer-panel{min-height:390px;height:390px}}

/* Hero imagery and CPT evidence */
.hero{min-height:min(630px,calc(100svh - 86px));align-items:center}
.hero-copy{padding:clamp(48px,7vh,82px) 0}
.hero h1{font-size:clamp(2.55rem,5.35vw,5.1rem);margin:.35rem 0 1rem}
.hero p{font-size:clamp(1rem,1.45vw,1.1rem);margin-bottom:0}
.hero-note{margin-top:1.35rem}
.photo-hero{min-height:420px;position:relative;display:flex;align-items:flex-end;background-size:cover;background-position:center}
.photo-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,28,43,.86),rgba(8,28,43,.35))}
.photo-hero .shell{position:relative}
.photo-hero h1,.photo-hero .lead{color:#fff}
.photo-hero .eyebrow{color:#bce8ff}
.technology-hero{background-image:url("assets/photos/doublet-closeup.jpg")}
.surface-deep,.surface-blue{clip-path:inset(0 -100vmax)}
[id]{scroll-margin-top:110px}
.doublet-comparison{padding:64px 0 20px}
.doublet-comparison p{max-width:850px;color:var(--muted)}
.doublet-comparison figure{margin:28px 0}
.doublet-comparison img{display:block;width:100%;max-width:1000px;height:auto;margin:auto}
.doublet-comparison figcaption,.image-copy figcaption{font-size:.85rem;line-height:1.6;color:var(--muted);max-width:1000px;margin:16px auto 0}
.manufacturing{padding:65px 0;border-top:1px solid var(--line)}
.manufacturing-lead{max-width:720px;color:var(--muted)}
.manufacturing-stage{margin-top:36px}
.stage-heading{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:18px}
.stage-heading h3{margin:0;font-size:1.5rem;color:var(--blue)}
.stage-heading h3 span{display:inline-block;margin-right:10px;color:var(--muted);font-size:.9rem}
.stage-heading p{max-width:530px;margin:0;color:var(--muted)}
.manufacturing-photos{display:grid;gap:20px}
.doublet-photos{grid-template-columns:1fr 2fr}
.core-photos{grid-template-columns:repeat(3,minmax(0,1fr))}
.manufacturing-photos figure{margin:0;min-width:0}
.manufacturing-photos img{display:block;width:100%;height:310px;object-fit:cover;background:#dfe9ee}
.doublet-photos figure:first-child img{object-position:center}.doublet-photos figure:last-child img{object-position:center 52%}.core-photos figure:nth-child(1) img{object-position:center}.core-photos figure:nth-child(2) img{object-position:center 48%}.core-photos figure:nth-child(3) img{object-position:center 52%}
.manufacturing-photos figcaption{padding:10px 0;font-size:.9rem;color:var(--muted)}
@media(max-width:760px){.stage-heading{display:block}.stage-heading p{margin-top:10px}.manufacturing-photos{gap:24px;grid-template-columns:1fr}.manufacturing-photos img{height:260px;max-height:none;object-fit:cover}.manufacturing{padding:48px 0}}
.cpt-hero{background-image:url("assets/photos/impeller-hero.jpg");background-position:center}
.photo-credit{display:block;color:#e1edf4;margin-top:24px;font-size:.72rem}
.evidence{padding:78px 0 58px}
.evidence>div:first-child{max-width:620px}
.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:42px}
.evidence-grid article{background:#f4f8fa;padding:28px}
.evidence-grid strong{display:block;color:var(--blue);font:400 clamp(1.65rem,3vw,2.65rem) var(--display);letter-spacing:-.06em}
.evidence-grid h3{margin:12px 0 8px;color:#28516c}
.evidence-grid p,.evidence-note{color:var(--muted);font-size:.9rem}
.surface-blue .evidence-grid{background:#78add1}.surface-blue .evidence-grid article{background:#f3f8fa}.surface-blue .evidence-note{color:#d7eaf5}
.evidence-note{margin:19px 0 0;max-width:68ch}
@media(max-width:760px){
  .hero{min-height:calc(100svh - 72px);align-items:center}
  .hero-copy{padding:44px 0}
  .hero h1{font-size:clamp(2.45rem,11vw,3.4rem);line-height:1.02}
  .hero-note{margin-top:1rem}
  .photo-hero{min-height:440px;padding:64px 0 48px}
  .evidence{padding:60px 0 44px}
  .evidence-grid{grid-template-columns:1fr}
}

/* Site footers */
.site-footer{background:#0d263a;color:#c1d4df;padding:44px 0 28px}
.site-footer a{color:#fff;font-weight:600}
.site-footer__logo{display:block;width:160px;height:auto;filter:brightness(0) invert(1) sepia(1) saturate(1) hue-rotate(150deg)}
.site-footer--full .footer-logo{margin-bottom:34px}
.site-footer--full .footer-columns{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:clamp(32px,6vw,80px);align-items:start}
.site-footer--full .footer-columns p,.site-footer--full .footer-columns address{max-width:430px;font-size:.88rem}
.site-footer--full .footer-columns address{font-style:normal}
.site-footer--full .footer-heading{margin:0 0 14px;color:#fff;font:600 .78rem var(--display);letter-spacing:.1em;text-transform:uppercase}
.site-footer--full .footer-company{margin-bottom:5px;color:#fff;font-weight:600}
.site-footer--full .footer-vat{margin-bottom:0}
.site-footer--full .footer-columns a{text-decoration:underline;text-underline-offset:3px}
.site-footer .copyright{font-size:.72rem}
.site-footer--full .copyright{border-top:1px solid rgba(255,255,255,.17);margin-top:36px;padding-top:20px}
.site-footer--compact{padding:30px 0}
.site-footer--compact .compact-foot{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:34px}
.site-footer--compact .compact-foot .copyright{justify-self:center}
.site-footer--compact .footer-contact-button{margin:0}
@media(max-width:760px){
  .site-footer--full .footer-columns{grid-template-columns:1fr;gap:34px}
  .site-footer--compact .compact-foot{grid-template-columns:1fr;justify-items:start;gap:20px}
  .site-footer--compact .compact-foot .copyright{justify-self:start}
}

.datacenter-diagram{padding:72px 0}
.datacenter-diagram .lead{max-width:76ch}
.datacenter-diagram figure{margin:32px 0 20px}
.datacenter-diagram picture{display:block;background:#fff;border:1px solid var(--line)}
.datacenter-diagram img{display:block;width:100%;height:auto}
.datacenter-diagram figcaption{max-width:90ch;margin-top:16px;color:var(--muted);font-size:.88rem}
.thermal-legend{max-width:760px;margin:24px 0;color:var(--ink)}
.thermal-legend__scale{height:8px;max-width:340px;margin:12px 0;background:linear-gradient(90deg,#1d6fc2,#d99618,#e8621b,#c2231a,#8b1710)}
.thermal-legend p{font-size:.85rem;color:var(--muted);margin:0}
@media(max-width:1100px){.datacenter-diagram picture{max-width:760px;margin-inline:auto}}
@media(max-width:760px){.datacenter-diagram{padding:52px 0}}

.oem-manufacturing{background:var(--pale);padding:80px 0;border-bottom:1px solid var(--line)}
.oem-manufacturing__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:start}
.oem-manufacturing h2{max-width:19ch;margin:12px 0 0}
.oem-manufacturing .lead{color:var(--blue);margin-top:0}
.oem-manufacturing p:not(.lead){color:var(--muted)}
.oem-manufacturing .button{white-space:normal}
@media(max-width:760px){.oem-manufacturing{padding:52px 0}.oem-manufacturing__grid{grid-template-columns:1fr;gap:28px}}

.intro.cpt-range{align-items:start;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);padding:72px 0}
.cpt-range h2{max-width:19ch;margin-bottom:0}
.cpt-range p{max-width:none}
@media(max-width:760px){.intro.cpt-range{grid-template-columns:1fr;gap:28px;padding:52px 0}}

/* First-screen page hero system: each opening composition occupies the viewport
   below the persistent masthead, while its content may extend naturally. */
.hero{min-height:calc(100svh - 86px)}
.page-hero{min-height:calc(100svh - 86px);position:relative;display:flex;align-items:center;padding:clamp(56px,9vh,110px) 0;overflow:hidden}
.page-hero .shell{position:relative;z-index:1}
.photo-hero{min-height:calc(100svh - 86px);align-items:center}
.video-hero{min-height:calc(100svh - 86px);align-items:center;overflow:hidden}
.video-copy{padding:clamp(56px,9vh,110px) 0}
.datacenter-hero img{max-height:calc(100svh - 150px);object-fit:contain}

.company-hero,.projects-hero,.viewer-hero{color:#fff;background-color:#10283a;background-repeat:no-repeat;background-position:right center;background-size:58% auto}
.company-hero{background-image:url("assets/photos/workshop-2.jpg")}
.projects-hero{background-image:url("assets/photos/cpt-70-product.jpg")}
.viewer-hero{background-image:url("assets/photos/render-cpt55.png")}
.company-hero:before,.projects-hero:before,.viewer-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,28,43,.94) 0%,rgba(8,28,43,.78) 43%,rgba(8,28,43,.18) 76%)}
.company-hero h1,.projects-hero h1,.viewer-hero h1{color:#fff}
.company-hero .lead,.projects-hero .lead,.viewer-hero .lead{color:#dce9ef}
.company-hero .eyebrow,.projects-hero .eyebrow,.viewer-hero .eyebrow{color:#bce8ff}

@media(max-width:760px){
  .hero,.page-hero,.photo-hero,.video-hero{min-height:calc(100svh - 72px)}
  .page-hero,.photo-hero{padding:56px 0}
  .video-copy{padding:56px 0}
  .datacenter-hero img{max-height:35svh}
  .company-hero,.projects-hero,.viewer-hero{background-size:auto 48%;background-position:right bottom}
  .company-hero:before,.projects-hero:before,.viewer-hero:before{background:linear-gradient(180deg,rgba(8,28,43,.94) 0%,rgba(8,28,43,.86) 55%,rgba(8,28,43,.28) 100%)}
}