:root{--ink:#17343d;--deep:#12303a;--teal:#087d85;--muted:#5e7178;--line:#dbe5e8;--pale:#f1f7f9;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:#fff;font-family:"Pretendard","Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;font-size:1rem;line-height:1.8;word-break:keep-all;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}h1,h2,h3{overflow-wrap:break-word}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}img{display:block;max-width:100%}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}a:focus-visible,button:focus-visible{outline:3px solid #119caf;outline-offset:5px}.container{width:calc(100% - 112px);max-width:var(--max);margin-inline:auto}.section{padding-block:110px}.eyebrow{font-size:.875rem;font-weight:600;letter-spacing:.12em;line-height:1.5;color:var(--teal);margin-bottom:24px}h2{font-size:clamp(2rem,3.2vw,2.875rem);font-weight:600;line-height:1.4;letter-spacing:-.045em}.skip-link{position:fixed;left:20px;top:-100px;z-index:100;padding:12px 20px;background:white}.skip-link:focus{top:12px}.mobile-break{display:none}
/* Shared navigation and the original corporate layout. */
.header{position:sticky;top:0;z-index:40;background:#fffffff7;border-bottom:1px solid #edf1f2}.header-inner{max-width:1500px;min-height:94px;padding:20px 56px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:flex;gap:22px;align-items:center;flex-shrink:0}.brand-art{display:block;position:relative;width:170px;height:43px;overflow:hidden;flex-shrink:0}.brand-art img{position:absolute;width:208px;max-width:none;height:104px;left:-19px;top:-25px}.brand-name{font-size:.875rem;color:var(--muted);border-left:1px solid var(--line);padding-left:20px;line-height:1.6}.main-nav{display:flex;align-items:center;gap:36px;font-size:1rem;font-weight:500}.main-nav>a{white-space:nowrap;padding-block:8px;border-bottom:1px solid transparent}.main-nav>a:hover{color:var(--teal);border-bottom-color:var(--teal)}.nav-contact{margin-left:6px}.menu-toggle{display:none;background:none;border:0;width:44px;height:44px;padding:10px}.menu-toggle span{display:block;height:2px;background:var(--ink);margin-block:7px;transition:transform .2s}
.hero{position:relative;isolation:isolate;overflow:hidden;background:#426b7d;color:#fff}.hero-landscape,.hero-shade{position:absolute;inset:0;width:100%;height:100%}.hero-landscape{object-fit:cover;object-position:center 55%;z-index:-3}.hero-shade{z-index:-2;background:linear-gradient(90deg,rgba(10,36,50,.68),rgba(10,36,50,.4) 55%,rgba(10,36,50,.08)),linear-gradient(0deg,rgba(10,36,50,.38),transparent 40%)}.hero-inner{display:flex;align-items:flex-start;flex-direction:column;justify-content:center;min-height:650px;padding-block:105px 95px}.hero-eyebrow{color:#fff;letter-spacing:.16em;margin-bottom:26px}.hero h1{font-size:clamp(2.75rem,4.6vw,4.375rem);line-height:1.3;letter-spacing:-.045em;font-weight:550;text-shadow:0 2px 20px #16364035}.hero-description{font-size:1.125rem;line-height:1.9;margin-top:29px;color:#fff}.hero-link{display:inline-flex;align-items:center;gap:40px;border-bottom:1px solid #ffffffa8;margin-top:38px;padding:0 0 10px;font-size:1rem}.hero-link:hover{border-color:#fff}.hero a:focus-visible{outline-color:#fff}.hero-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid #ffffff55;padding-block:22px;color:#fff;font-size:.8125rem;letter-spacing:.08em}.hero-bottom a{display:flex;align-items:center;gap:18px}.hero-bottom svg{width:17px;height:17px}
.about{display:grid;grid-template-columns:1fr 1.15fr;gap:100px}.section-subtitle{font-size:1rem;color:var(--muted);margin-top:24px}.about-copy .lead{font-size:1.4375rem;line-height:1.65;font-weight:500;letter-spacing:-.035em;color:var(--ink);margin:0 0 24px}.about-copy>p{color:var(--muted);margin-top:16px;line-height:1.95}.company-overview{margin:30px 0 0;border-top:1px solid var(--ink)}.company-overview>div{display:grid;grid-template-columns:90px 1fr;gap:22px;border-bottom:1px solid var(--line);padding:13px 0;font-size:.9375rem;line-height:1.75}.company-overview dt{color:var(--muted)}.company-overview dd{margin:0}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:48px}.section-heading .eyebrow{margin-bottom:18px}.section-description{color:var(--muted);line-height:1.9;max-width:440px}.energy{background:var(--pale)}.energy-topics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid #c8d8de;border-bottom:1px solid #c8d8de}.energy-topics article{padding:35px 36px 39px 0}.energy-topics article+article{border-left:1px solid #c8d8de;padding-left:36px}.topic-number{color:var(--teal);font-size:.875rem;letter-spacing:.06em;display:block;margin-bottom:25px}.energy-topics h3{font-size:1.5rem;line-height:1.5;font-weight:550;letter-spacing:-.035em;margin-bottom:15px}.energy-topics p{color:var(--muted);font-size:1rem;line-height:1.95}.electrolysis{display:grid;grid-template-columns:1fr 1.15fr;gap:100px;margin-top:65px}.electrolysis .eyebrow{margin-bottom:16px}.electrolysis h3{font-size:1.875rem;line-height:1.5;font-weight:550;letter-spacing:-.04em}.electrolysis-copy p{font-size:1rem;color:var(--muted);line-height:1.95}.electrolysis-copy p+p{margin-top:15px}
.business-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.business-card{min-width:0;scroll-margin-top:115px}.business-visual{height:250px;background:#f3f6f7;display:flex;align-items:center;justify-content:center;padding:25px;border-bottom:2px solid #bfdcdf}.business-visual img{object-fit:contain;width:100%;height:100%;max-width:330px}#business-system .business-visual img{mix-blend-mode:multiply}.business-copy{padding-top:26px}.business-copy .eyebrow{font-size:.8125rem;letter-spacing:.07em;margin-bottom:12px}.business-copy h3{font-size:1.5rem;line-height:1.5;letter-spacing:-.04em;font-weight:550;margin-bottom:16px}.business-copy>p:not(.eyebrow){color:var(--muted);font-size:1rem;line-height:1.95}
.contact{padding-block:85px;background:var(--deep);color:white}.contact .eyebrow{color:#a4dae0;margin-bottom:20px}.contact-top{display:grid;grid-template-columns:1fr 1.15fr;gap:100px;align-items:end;padding-bottom:45px}.contact-top>p{color:#c2d3d9;line-height:1.9;padding-bottom:4px}.contact-details{display:grid;grid-template-columns:1fr 1.15fr;gap:100px;border-top:1px solid #ffffff35;padding-top:36px}.contact-label{font-size:.875rem;color:#b5ccd3;display:block;margin-bottom:12px}.contact-direct a{display:inline-flex;align-items:center;gap:20px;font-size:clamp(1.375rem,2.3vw,1.9375rem);line-height:1.5;letter-spacing:-.025em;overflow-wrap:anywhere}.contact-direct a:hover{color:#a4dae0}.contact-direct svg{height:20px;width:20px}.contact-addresses{display:grid;grid-template-columns:1.5fr 1fr;gap:30px}.contact-addresses address{font-style:normal;color:#e0eaee;line-height:1.9}.contact a:focus-visible{outline-color:#fff}.footer{background:#0f2730;color:#c2d3da;padding-block:25px}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:25px;font-size:.875rem}.footer p{color:#a6bec8;font-size:.8125rem}.back-top{display:flex;align-items:center;gap:12px}.back-top svg{height:17px;width:17px}
@media(min-width:1600px){.hero-inner{min-height:720px}}
@media(max-width:1190px){.container{width:calc(100% - 72px)}.header-inner{padding-inline:36px}.brand-name{display:none}.main-nav{gap:30px}.about,.electrolysis,.contact-top,.contact-details{gap:55px}.business-grid{gap:25px}.business-visual{height:230px}.contact-addresses{grid-template-columns:1fr;gap:25px}.hero-inner{min-height:620px}}
@media(max-width:980px){.container{width:calc(100% - 48px)}.header-inner{padding:18px 24px;min-height:82px}.brand-art{width:151px;height:37px}.brand-art img{width:184px;height:92px;left:-17px;top:-23px}.main-nav{gap:22px;font-size:.9375rem}.section{padding-block:82px}.hero-inner{min-height:560px;padding-block:95px}.hero h1{font-size:3.25rem}.about,.electrolysis,.contact-top,.contact-details{gap:36px}.about-copy .lead{font-size:1.25rem}.section-heading{gap:30px}.section-description{max-width:320px}.energy-topics article{padding-right:24px}.energy-topics article+article{padding-left:24px}.business-grid{gap:24px}.business-visual{height:215px;padding:22px}.business-copy h3{font-size:1.3125rem}.company-overview>div{grid-template-columns:70px 1fr;gap:16px}.contact{padding-block:70px}.contact-direct a{font-size:1.5rem;gap:14px}}
@media(max-width:700px){html{scroll-padding-top:93px}.container{width:calc(100% - 40px)}.section{padding-block:65px}.header-inner{min-height:74px;padding:14px 20px;gap:10px;flex-wrap:wrap}.brand-art{width:146px;height:37px}.brand-art img{width:179px;height:89.5px;top:-22px;left:-16px}.main-nav{width:100%;flex-direction:column;align-items:stretch;gap:0;font-size:1rem;padding:5px 0 12px}.main-nav>a{padding:12px 4px}.nav-contact{margin-left:0}.js .menu-toggle{display:block}.js .main-nav{display:none}.js .main-nav.is-open{display:flex}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4.5px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4.5px) rotate(-45deg)}.hero-inner{min-height:520px;padding-block:82px}.hero-landscape{object-position:60% center}.hero-shade{background:linear-gradient(90deg,#0a2432a3,#0a243240),linear-gradient(0deg,#0a243255,transparent)}.hero h1{font-size:clamp(2rem,7.5vw,3rem);letter-spacing:-.045em;line-height:1.4}.hero-eyebrow{font-size:.8125rem;letter-spacing:.1em;margin-bottom:24px}.hero-description{font-size:1rem;margin-top:26px}.mobile-break{display:block}.hero-link{margin-top:32px;font-size:.9375rem}.hero-bottom{padding-block:18px;font-size:.75rem;gap:15px;letter-spacing:.03em}.hero-bottom>span{max-width:180px}.hero-bottom a{font-size:.75rem;gap:12px;white-space:nowrap}h2{font-size:2rem}.about,.electrolysis,.contact-top,.contact-details{grid-template-columns:1fr;gap:30px}.section-subtitle{margin-top:18px}.about-copy .lead{font-size:1.25rem;margin-bottom:18px}.company-overview{margin-top:25px}.company-overview>div{grid-template-columns:75px 1fr;gap:16px}.section-heading{display:block;margin-bottom:32px}.section-description{max-width:none;margin-top:24px}.energy-topics{grid-template-columns:1fr}.energy-topics article{padding:27px 0 28px;display:grid;grid-template-columns:32px 1fr;gap:0 15px}.energy-topics article+article{border-left:0;border-top:1px solid #c8d8de;padding-left:0}.topic-number{grid-row:1/3;margin:5px 0 0}.energy-topics h3{font-size:1.375rem;margin-bottom:12px}.electrolysis{margin-top:40px;gap:22px}.electrolysis h3{font-size:1.625rem}.business-grid{grid-template-columns:1fr;gap:40px}.business-visual{height:260px;padding:28px}.business-visual img{max-width:340px}.business-copy{padding-top:22px}.business-copy h3{font-size:1.5rem;margin-bottom:13px}.contact{padding-block:60px}.contact-top{gap:24px;padding-bottom:30px}.contact-details{padding-top:28px;gap:32px}.contact-direct a{font-size:1.625rem}.contact-addresses{gap:24px}.footer-inner{display:grid;grid-template-columns:1fr auto;gap:12px 22px}.footer p{grid-column:1;grid-row:2;font-size:.75rem}.back-top{grid-column:2;grid-row:1/3;font-size:.8125rem}}
@media(max-width:370px){.container{width:calc(100% - 32px)}.header-inner{padding-inline:16px}.hero h1{font-size:2rem}.hero-bottom>span{max-width:145px}.contact-direct a{font-size:1.375rem}.business-visual{height:240px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.header,.hero-bottom,.hero-link,.back-top{display:none}.container{width:100%}.hero,.contact,.footer{background:#fff;color:var(--ink)}.hero-landscape,.hero-shade{display:none}.hero-inner{min-height:0;padding-block:25px}.hero-eyebrow,.hero-description,.contact .eyebrow,.contact-top>p,.contact-label,.contact-addresses address{color:var(--muted)}.hero h1{font-size:2.5rem;text-shadow:none}.section,.contact{padding-block:30px}.about,.electrolysis,.contact-top,.contact-details{gap:25px}.business-visual{height:140px}.business-grid{gap:20px}.business-copy h3{font-size:1.125rem}.energy-topics article{padding-block:20px}.business-card,.energy-topics article{break-inside:avoid}.footer p{color:var(--muted)}}

/* Bilingual navigation and the supplied precision-clean vector identity. */
:root{--ci-dark:#192d2d;--ci-teal:#01828b;--ci-orange:#e6843b}
.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}
.header-inner{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:24px}
.brand{gap:16px;min-width:0}
.brand-art{width:178px;height:auto;overflow:visible}
.brand-art img{position:static;max-width:100%;width:100%;height:auto;left:auto;top:auto}
.brand-name{padding-left:16px}
.main-nav{justify-content:flex-end;gap:clamp(16px,2vw,28px)}
.main-nav>a[aria-current=page]{color:var(--teal);border-bottom-color:var(--teal)}
.nav-contact{margin-left:0}
.header-actions{display:flex;align-items:center;gap:10px}
.language-switch{display:inline-flex;align-items:center;padding:3px;border:1px solid var(--line);border-radius:5px;gap:2px;background:#fff}
.language-switch a{display:flex;align-items:center;justify-content:center;min-width:43px;min-height:36px;padding:5px 7px;font-size:.875rem;line-height:1.4;font-weight:600;letter-spacing:.02em;border-radius:2px;color:var(--muted)}
.language-switch a[aria-current=true]{background:var(--ci-dark);color:#fff}
.language-switch a:not([aria-current]):hover{background:var(--pale);color:var(--ink)}
.language-switch a:focus-visible{outline-offset:2px}
.footer-brand{display:flex;align-items:center;gap:20px}
.footer-brand img{width:120px;height:auto}
.footer-brand span{font-size:.875rem}
.contact-map-link{display:inline-flex;gap:30px;align-items:center;margin-top:32px;padding:11px 0;border-bottom:1px solid #ffffff70;font-size:1rem}
.contact-map-link:hover{color:#a4dae0;border-color:currentColor}
.contact-note{color:#c2d3d9;margin:0}
.page-intro{background:var(--pale);border-bottom:1px solid var(--line);padding:30px 0 66px}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:12px;font-size:.875rem;color:var(--muted);margin-bottom:43px}
.breadcrumbs a:hover{text-decoration:underline}
.page-intro .eyebrow{margin-bottom:18px}
.page-intro h1{font-size:clamp(2.375rem,4vw,3.5rem);line-height:1.3;letter-spacing:-.045em;font-weight:600}
.page-description{margin-top:22px;font-size:1.125rem;color:var(--muted)}
/* CI: show the master artwork without cropping or image reconstruction. */
.ci-primary{padding-bottom:90px}
.logo-stage,.symbol-stage,.variant-grid figure{margin:0}
.logo-stage{display:flex;align-items:center;justify-content:center;flex-direction:column;min-height:330px;padding:58px 60px 26px;border:1px solid var(--line);background:#fff}
.logo-stage>img{width:min(100%,760px);height:auto}
.logo-stage figcaption{margin-top:32px;font-size:.875rem;letter-spacing:.06em;color:var(--muted)}
.ci-symbol-row{display:grid;grid-template-columns:280px minmax(0,1fr);align-items:center;gap:72px;margin-top:62px}
.symbol-stage{display:flex;align-items:center;justify-content:center;background:var(--pale);padding:40px;min-height:260px}
.symbol-stage img{width:180px;height:auto}
.ci-symbol-row h3{font-size:1.625rem;line-height:1.5;font-weight:550;letter-spacing:-.025em}
.ci-symbol-row .eyebrow{margin-bottom:16px}
.ci-symbol-row p:not(.eyebrow){max-width:560px;color:var(--muted);margin-top:18px;line-height:1.95}
.ci-colours{background:var(--pale)}
.colour-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.colour-card{background:#fff;border:1px solid var(--line)}
.colour-swatch{height:140px}
.colour-dark{background:var(--ci-dark)}
.colour-teal{background:var(--ci-teal)}
.colour-orange{background:var(--ci-orange)}
.colour-card>div:last-child{padding:24px 28px 26px}
.colour-card h3{font-size:1.25rem;font-weight:550;margin-bottom:14px}
.colour-card p{font-size:.9375rem;color:var(--muted);line-height:1.8;display:flex;gap:16px;justify-content:space-between}
.colour-card p span{color:var(--ink);font-variant-numeric:tabular-nums}
.variant-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
.variant-stage{min-height:220px;display:flex;align-items:center;justify-content:center;padding:45px;border:1px solid var(--line)}
.variant-stage img{width:100%;height:auto}
.variant-dark{background:var(--ci-dark);border-color:var(--ci-dark)}
.variant-grid figcaption{font-size:1rem;color:var(--muted);margin-top:16px}
/* Full address maps, with map-service links available outside each frame. */
.location-card+.location-card{margin-top:74px;padding-top:68px;border-top:1px solid var(--line)}
.location-heading{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:end;margin-bottom:28px}
.location-heading .eyebrow{margin-bottom:14px}
.location-heading h2{font-size:2.25rem}
.location-heading address{font-style:normal;font-size:1.0625rem;line-height:1.9;color:var(--muted)}
.map-frame{height:380px;border:1px solid var(--line);background:var(--pale)}
.map-frame iframe{display:block;width:100%;height:100%;border:0}
.map-toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px 28px;margin-top:22px}
.map-toolbar>p{font-size:.9375rem;color:var(--muted);flex:1 1 300px}
.map-links{display:flex;gap:10px;flex-wrap:wrap}
.map-button{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:46px;padding:10px 17px;border:1px solid var(--line);background:#fff;font-size:.9375rem;line-height:1.6}
.map-button:hover{border-color:var(--teal);color:var(--teal);background:var(--pale)}
.map-button svg{width:17px;height:17px}
.map-note{margin-top:46px;font-size:.875rem;color:var(--muted)}
html[lang=en] body{word-break:normal}
html[lang=en] h1,html[lang=en] h2,html[lang=en] h3{letter-spacing:-.035em}
html[lang=en] .hero h1{line-height:1.18}
html[lang=en] .company-overview>div{grid-template-columns:95px minmax(0,1fr)}
html[lang=en] .contact-addresses{grid-template-columns:1fr;gap:24px}
html[lang=en] .business-copy .eyebrow{letter-spacing:.04em}
@media(max-width:1390px){.brand-name{display:none}}
@media(max-width:1100px){
  .header-inner{grid-template-columns:minmax(0,1fr) auto;gap:0 16px;min-height:82px;padding-block:16px}
  .brand{grid-column:1;grid-row:1}
  .header-actions{grid-column:2;grid-row:1}
  .brand-art{width:168px;height:auto}
  .main-nav{grid-column:1/-1;grid-row:2;width:100%;flex-direction:column;align-items:stretch;gap:0;padding:14px 0 5px;font-size:1rem}
  .main-nav>a{padding:11px 4px;white-space:normal}
  .js .main-nav{display:none}
  .js .main-nav.is-open{display:flex}
  .js .menu-toggle{display:block}
  .menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4.5px) rotate(45deg)}
  .menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4.5px) rotate(-45deg)}
  .ci-symbol-row{grid-template-columns:230px minmax(0,1fr);gap:40px}
  .colour-grid{gap:20px}
  .colour-card>div:last-child{padding:20px}
  .location-heading{gap:40px}
}

/* Corporate identity downloads and the identity's visual message. */
.ci-downloads{margin-top:32px}
.ci-downloads>h3,.ci-meaning>h3{font-size:1.625rem;line-height:1.5;font-weight:550;letter-spacing:-.03em;margin:0}
.ci-download-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:20px}
.ci-download-link{display:flex;justify-content:space-between;align-items:center;gap:22px;padding:21px 25px;border:1px solid var(--line);background:var(--pale)}
.ci-download-link:hover{border-color:var(--teal);color:var(--teal)}
.ci-download-link strong{display:block;font-size:1.125rem;line-height:1.5;font-weight:550}
.ci-download-link small{display:block;font-size:.875rem;color:var(--muted);line-height:1.65;margin-top:5px}
.ci-download-link>svg{width:24px;height:24px;color:var(--teal)}
.ci-download-note{font-size:.875rem;color:var(--muted);line-height:1.8;margin-top:15px}
.ci-meaning{margin-top:58px}
.ci-meaning-intro{max-width:850px;font-size:1.0625rem;color:var(--muted);line-height:1.9;margin-top:17px}
.ci-meaning-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ci-meaning-grid article{padding:28px 30px 32px 0}
.ci-meaning-grid article+article{padding-left:30px;border-left:1px solid var(--line)}
.ci-meaning-grid .topic-number{margin-bottom:16px}
.ci-meaning-grid h4{font-size:1.25rem;line-height:1.6;font-weight:550;margin:0 0 13px}
.ci-meaning-grid p{font-size:1rem;color:var(--muted);line-height:1.95}
.colour-card p.colour-meaning{display:block;margin-top:17px;padding-top:14px;border-top:1px solid var(--line);font-size:.9375rem;line-height:1.7;color:var(--muted)}
@media(max-width:700px){
  .ci-downloads{margin-top:27px}
  .ci-download-grid{grid-template-columns:1fr;gap:12px;margin-top:18px}
  .ci-download-link{padding:19px 21px}
  .ci-downloads>h3,.ci-meaning>h3{font-size:1.5rem}
  .ci-meaning{margin-top:38px}
  .ci-meaning-intro{font-size:1rem}
  .ci-meaning-grid{grid-template-columns:1fr;margin-top:22px}
  .ci-meaning-grid article{padding:24px 0}
  .ci-meaning-grid article+article{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .ci-meaning-grid h4{font-size:1.1875rem}
}
@media print{.ci-downloads{display:none}.ci-meaning-grid article{break-inside:avoid}}

/* Separate corporate and business pages, with shared two-level navigation. */
.nav-group{position:relative;flex-shrink:0}
.nav-group-heading{display:flex;align-items:center;gap:3px}
.nav-category{padding-block:8px;white-space:nowrap;border-bottom:1px solid transparent}
.nav-category:hover,.nav-group.is-current .nav-category{color:var(--teal);border-bottom-color:var(--teal)}
.submenu-toggle{display:none;align-items:center;justify-content:center;padding:5px;border:0;background:transparent;width:30px;height:40px}
.js .submenu-toggle{display:inline-flex}
.submenu-toggle svg{width:16px;height:16px;transition:transform .18s}
.submenu-toggle[aria-expanded=true] svg{transform:rotate(180deg)}
.nav-submenu{display:none;position:absolute;left:0;top:100%;min-width:230px;max-width:calc(100vw - 48px);padding:10px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 35px #12303a18;border-top:3px solid var(--teal);z-index:50}
#submenu-business{left:auto;right:0;width:350px}
.js .nav-group.is-open>.nav-submenu{display:grid}
.nav-submenu>a{display:block;padding:12px 15px;font-size:.9375rem;line-height:1.65;border-bottom:1px solid #edf1f2;overflow-wrap:break-word}
.nav-submenu>a:last-child{border-bottom:0}
.nav-submenu>a:hover,.nav-submenu>a[aria-current=page]{background:var(--pale);color:var(--teal)}
.section-nav-shell{background:var(--deep)}
.section-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));align-items:stretch}
.section-nav>a{display:flex;align-items:center;justify-content:center;text-align:center;padding:20px 18px;min-height:74px;font-size:1rem;line-height:1.6;color:#e5edef;border-left:1px solid #ffffff18;border-bottom:3px solid transparent}
.section-nav>a:last-child{border-right:1px solid #ffffff18}
.section-nav>a:hover{background:#ffffff0c;color:white}
.section-nav>a[aria-current=page]{background:var(--teal);border-bottom-color:var(--ci-orange);color:white;font-weight:600}
.section-nav>a:focus-visible{outline-color:#fff;outline-offset:-6px}
.section-nav-business>a{min-height:94px}
.page-intro h1{max-width:1100px}
.page-description{max-width:950px}
.breadcrumbs{line-height:1.65}
/* The home page leads to each standalone area. */
.home-company,.home-energy{display:grid;grid-template-columns:1fr 1.15fr;gap:100px;align-items:start}
.home-lead{font-size:1.375rem;line-height:1.9;font-weight:400}
.text-link{display:inline-flex;align-items:center;gap:30px;margin-top:28px;padding-bottom:9px;border-bottom:1px solid var(--teal);color:var(--teal);font-size:1rem}
.text-link:hover{color:var(--deep);border-color:var(--deep)}
.home-business{background:var(--pale)}
.business-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.business-link-card{display:flex;flex-direction:column;align-items:flex-start;position:relative;padding:35px 38px 30px;background:#fff;border:1px solid var(--line);min-height:255px}
.business-link-card:hover{border-color:var(--teal)}
.business-link-card .topic-number{margin-bottom:16px}
.business-link-card h3{font-size:1.5rem;line-height:1.55;font-weight:550;letter-spacing:-.035em;margin-bottom:12px}
.business-link-card>p{color:var(--muted);font-size:1rem;line-height:1.85;margin-bottom:25px}
.business-link-action{display:flex;align-items:center;justify-content:space-between;gap:28px;width:100%;margin-top:auto;font-size:.9375rem;color:var(--teal)}
.business-link-action svg{width:19px;height:19px}
.home-energy>div:last-child{color:var(--muted);font-size:1.0625rem;line-height:1.95;padding-top:5px}
.home-contact-inner{display:grid;grid-template-columns:1fr 1.15fr;align-items:center;gap:100px}
.home-contact .contact-map-link{margin-top:24px}
.home-contact .contact-direct{border-top:1px solid #ffffff30;padding-top:24px}
.home-contact .contact-label{margin-bottom:15px}
/* Company overview, CEO message and history. */
.overview-page .company-overview>div{grid-template-columns:90px minmax(0,1fr)}
html[lang=en] .overview-page .company-overview>div{grid-template-columns:110px minmax(0,1fr)}
.greeting-layout{display:grid;grid-template-columns:.95fr 1.2fr;gap:90px;align-items:start}
.greeting-statement h2{font-size:clamp(1.9375rem,3vw,2.625rem)}
.greeting-logo{width:220px;height:auto;margin-top:50px}
.greeting-copy{max-width:720px}
.greeting-copy>p{font-size:1.0625rem;line-height:2;color:var(--muted);margin-bottom:24px}
.greeting-copy>p.lead{font-size:1.375rem;color:var(--ink);line-height:1.8;font-weight:500}
.greeting-copy>.greeting-signature{color:var(--ink);margin-top:36px;padding-top:24px;border-top:1px solid var(--line);margin-bottom:0}
.greeting-signature strong{font-size:1rem;font-weight:500;color:var(--muted)}
.history-list{list-style:none;margin:0;padding:0}
.history-list>li{display:grid;grid-template-columns:190px minmax(0,1fr);gap:65px;border-top:1px solid var(--line);padding:38px 0 44px;align-items:start}
.history-list>li:first-child{border-top:2px solid var(--ink)}
.history-list>li:last-child{border-bottom:1px solid var(--line)}
.history-list h2{font-size:3rem;color:var(--teal);line-height:1.25;letter-spacing:-.025em;font-variant-numeric:tabular-nums}
.history-list>li>ul{margin:0;padding:1px 0 0 21px;color:var(--ink);font-size:1.0625rem;line-height:1.9}
.history-list>li>ul>li+li{margin-top:9px}
.energy-page{background:#fff}
/* Business pages keep technical details at company-introduction level. */
.business-detail-intro{display:grid;grid-template-columns:1fr 1.15fr;gap:70px;align-items:center}
.business-detail-visual{display:flex;align-items:center;justify-content:center;min-height:410px;padding:38px;background:var(--pale);border-bottom:3px solid #bfdcdf;margin:0}
.business-detail-visual img{width:100%;max-width:390px;height:340px;object-fit:contain}
.business-detail-system .business-detail-visual img{mix-blend-mode:multiply}
.business-detail-copy .eyebrow{margin-bottom:17px}
.business-detail-copy h2{font-size:clamp(1.9375rem,2.8vw,2.625rem);line-height:1.5}
.business-detail-copy .lead{font-size:1.25rem;color:var(--ink);margin-top:24px;line-height:1.85}
.business-detail-copy>p:not(.eyebrow):not(.lead){font-size:1rem;color:var(--muted);line-height:1.95;margin-top:18px}
.business-detail-service{display:block;max-width:900px}
.business-detail-service .business-detail-copy h2{font-size:clamp(2rem,3.4vw,3rem)}
.field-photo{margin:0;min-width:0}
.field-photo img{width:100%;height:auto;border:1px solid var(--line)}
.field-photo figcaption{font-size:.875rem;color:var(--muted);line-height:1.7;margin-top:12px}
.energy-photo{margin:0 0 42px}
.energy-photo img{width:100%;height:clamp(240px,34vw,420px);object-fit:cover;object-position:50% 100%}
.energy-photo figcaption{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 24px;margin-top:13px;font-size:.875rem;color:var(--muted);line-height:1.7}
.photo-credit{font-size:.8125rem}
.photo-credit a{text-decoration:underline;text-decoration-color:#b6c7ce;text-underline-offset:3px}
.photo-credit a:hover{color:var(--teal)}
.business-detail-copy .mro-definition{padding-top:20px;border-top:1px solid var(--line);font-size:.9375rem!important}
.business-scope{margin-top:70px}
.business-scope>h3{font-size:1.375rem;line-height:1.5;font-weight:550;margin:0 0 25px}
.scope-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.scope-grid article{padding:28px 30px 33px 0}
.scope-grid article+article{padding-left:30px;border-left:1px solid var(--line)}
.scope-grid .topic-number{margin-bottom:17px}
.scope-grid h4{font-size:1.1875rem;line-height:1.6;font-weight:550;margin:0 0 13px}
.scope-grid p{color:var(--muted);font-size:1rem;line-height:1.9}
.enquiry-band{background:var(--deep);padding-block:54px;color:#fff}
.enquiry-inner{display:flex;align-items:center;justify-content:space-between;gap:30px 50px;flex-wrap:wrap}
.enquiry-inner .eyebrow{color:#a4dae0;margin-bottom:13px}
.enquiry-inner h2{font-size:1.875rem}
.enquiry-inner p:not(.eyebrow){font-size:1rem;color:#c2d3d9;margin-top:13px}
.enquiry-email{display:inline-flex;align-items:center;gap:22px;font-size:1.5rem;line-height:1.6;overflow-wrap:anywhere;border-bottom:1px solid #ffffff70;padding-bottom:8px}
.enquiry-email:hover{color:#a4dae0}
.enquiry-email:focus-visible{outline-color:white}
@media(max-width:1190px){
  .home-company,.home-energy,.home-contact-inner{gap:55px}
  .greeting-layout{gap:55px}
  .business-detail-intro{gap:45px}
}
@media(max-width:1100px){
  .nav-group{width:100%}
  .nav-group-heading{justify-content:space-between;width:100%;gap:12px}
  .nav-category{display:block;flex:1;padding:11px 4px;white-space:normal}
  .submenu-toggle{width:42px;height:42px;flex-shrink:0}
  .nav-submenu,#submenu-business{position:static;min-width:0;max-width:100%;width:100%;padding:3px 13px 9px;box-shadow:none;background:var(--pale);border:0;border-left:2px solid var(--teal);margin-block:5px 10px}
  .nav-submenu>a{font-size:.9375rem;padding:11px 10px}
  .nav-submenu>a[aria-current=page]{font-weight:600}
  .section-nav>a{padding:18px 12px}
  .section-nav-business>a{font-size:.9375rem}
  .greeting-layout{grid-template-columns:1fr 1.15fr;gap:36px}
  .business-detail-visual{min-height:365px;padding:28px}
  .business-detail-visual img{height:300px}
}
@media(max-width:800px){
  .section-nav-business{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section-nav-business>a{min-height:76px;border-bottom:1px solid #ffffff18}
  .section-nav-business>a:nth-child(2){border-right:1px solid #ffffff18}
  .section-nav-business>a[aria-current=page]{box-shadow:inset 0 -3px var(--ci-orange)}
}
@media(max-width:700px){
  .section-nav{width:100%;max-width:none}
  .section-nav-company>a{min-height:69px;padding:15px 8px;font-size:.875rem;line-height:1.55}
  .section-nav-business>a{padding:15px 14px;font-size:.875rem;min-height:77px}
  .home-company,.home-energy,.home-contact-inner{grid-template-columns:1fr;gap:28px}
  .home-lead{font-size:1.1875rem}
  .text-link{margin-top:24px}
  .business-links{grid-template-columns:1fr;gap:18px}
  .business-link-card{min-height:225px;padding:28px}
  .business-link-card h3{font-size:1.375rem}
  .home-contact-inner{gap:30px}
  .home-energy>div:last-child{font-size:1rem}
  .greeting-layout{grid-template-columns:1fr;gap:32px}
  .greeting-logo{width:170px;margin-top:27px}
  .greeting-copy>p{font-size:1rem;line-height:1.95}
  .greeting-copy>p.lead{font-size:1.25rem}
  .greeting-copy>.greeting-signature{margin-top:27px}
  .history-list>li{grid-template-columns:95px minmax(0,1fr);gap:26px;padding-block:29px 33px}
  .history-list h2{font-size:2.25rem}
  .history-list>li>ul{font-size:1rem;padding-left:17px}
  .overview-page .company-overview>div{grid-template-columns:80px minmax(0,1fr)}
  html[lang=en] .overview-page .company-overview>div{grid-template-columns:98px minmax(0,1fr);gap:14px}
  .business-detail-intro{grid-template-columns:1fr;gap:30px}
  .business-detail-visual{min-height:300px;padding:27px}
  .business-detail-visual img{height:270px}
  .business-detail-copy h2{font-size:2rem}
  .business-detail-copy .lead{font-size:1.125rem;margin-top:21px}
  .business-detail-service .business-detail-copy h2{font-size:2rem}
  .energy-photo{margin-bottom:30px}
  .energy-photo img{height:auto;aspect-ratio:16/9}
  .energy-photo figcaption{display:grid;gap:5px}
  .business-scope{margin-top:44px}
  .scope-grid{grid-template-columns:1fr}
  .scope-grid article{padding:25px 0}
  .scope-grid article+article{padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .scope-grid .topic-number{margin-bottom:10px}
  .scope-grid h4{font-size:1.1875rem}
  .enquiry-band{padding-block:43px}
  .enquiry-inner{gap:28px}
  .enquiry-email{font-size:1.3125rem}
}
@media(max-width:370px){
  .section-nav-company>a{font-size:.875rem;padding-inline:5px}
  .history-list>li{grid-template-columns:1fr;gap:16px}
  .history-list h2{font-size:2rem}
  .business-link-card{padding:24px}
}
@media print{
  .section-nav-shell{display:none}
  .home-company,.home-energy,.home-contact-inner,.greeting-layout,.business-detail-intro{gap:25px}
  .home-business,.enquiry-band{background:white;color:var(--ink)}
  .business-links{grid-template-columns:repeat(2,minmax(0,1fr))}
  .business-link-card{min-height:0;padding:18px}
  .business-detail-visual{min-height:0;padding:15px}
  .business-detail-visual img{height:180px}
  .history-list>li,.scope-grid article{break-inside:avoid}
  .enquiry-band{padding-block:25px}
  .enquiry-inner .eyebrow,.enquiry-inner p:not(.eyebrow){color:var(--muted)}
}
@media(min-width:1101px){.js .main-nav{display:flex}.js .menu-toggle{display:none}}
@media(max-width:700px){
  .header-inner{min-height:76px;padding:13px 20px;gap:0 8px}
  .brand-art{width:148px;height:auto}
  .brand-art img{width:100%;height:auto;top:auto;left:auto}
  .header-actions{gap:5px}
  .language-switch{padding:2px;gap:0}
  .language-switch a{min-width:39px;min-height:36px;padding:5px;font-size:.8125rem}
  .menu-toggle{width:40px;padding:9px}
  .footer-brand{gap:12px;flex-wrap:wrap}
  .footer-brand img{width:100px}
  .footer-brand span{font-size:.8125rem}
  .footer-inner{column-gap:14px}
  .back-top{max-width:90px}
  .page-intro{padding:24px 0 45px}
  .breadcrumbs{margin-bottom:32px}
  .page-intro h1{font-size:2.375rem}
  .page-description{margin-top:18px;font-size:1rem}
  .logo-stage{min-height:205px;padding:34px 22px 22px}
  .logo-stage figcaption{margin-top:25px;font-size:.8125rem}
  .ci-primary{padding-bottom:65px}
  .ci-symbol-row{grid-template-columns:1fr;gap:26px;margin-top:38px}
  .symbol-stage{min-height:220px;padding:28px}
  .symbol-stage img{width:155px}
  .ci-symbol-row h3{font-size:1.5rem}
  .ci-symbol-row p:not(.eyebrow){margin-top:14px}
  .colour-grid{grid-template-columns:1fr;gap:16px}
  .colour-card{display:grid;grid-template-columns:100px minmax(0,1fr)}
  .colour-swatch{height:100%;min-height:160px}
  .colour-card>div:last-child{padding:19px 22px}
  .colour-card h3{font-size:1.125rem;margin-bottom:10px}
  .variant-grid{grid-template-columns:1fr;gap:30px}
  .variant-stage{min-height:180px;padding:30px}
  .location-card+.location-card{margin-top:45px;padding-top:42px}
  .location-heading{grid-template-columns:1fr;gap:18px}
  .location-heading h2{font-size:1.875rem}
  .location-heading address{font-size:1rem}
  .map-frame{height:330px}
  .map-toolbar{margin-top:20px}
  .map-links{width:100%}
  .map-button{flex:1 1 auto;padding:10px 13px;gap:12px}
  .map-note{margin-top:32px}
}
@media(max-width:370px){
  .header-inner{padding-inline:16px}
  .brand-art{width:132px}
  .header-actions{gap:3px}
  .language-switch a{min-width:35px}
  .colour-card{grid-template-columns:75px minmax(0,1fr)}
  .colour-card>div:last-child{padding:18px}
  .colour-card p{font-size:.875rem;gap:8px}
}
@media print{
  .map-frame{display:none}
  .page-intro{background:white;padding-block:20px}
  .breadcrumbs,.map-toolbar>p{display:none}
  .map-button{border:0;padding:0}
  .locations-section,.ci-primary,.ci-colours,.ci-variants{padding-block:25px}
  .location-card+.location-card{margin-top:25px;padding-top:25px}
  .logo-stage{min-height:0;padding:25px}
  .ci-symbol-row{margin-top:25px}
  .colour-swatch,.variant-dark{print-color-adjust:exact;-webkit-print-color-adjust:exact}
  .logo-stage,.ci-symbol-row,.colour-grid,.variant-grid,.location-card{break-inside:avoid}
}