@charset "UTF-8";
:root{--ink:#151515;--muted:#62625e;--line:#dededb;--paper:#fff;--soft:#f4f4f2;--yellow:#fcbb01;--dark:#171717;--max:1320px;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:110px}
*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #8c6700;outline-offset:5px}button{cursor:pointer}::selection{background:var(--yellow);color:var(--ink)}.wrap{width:min(var(--max),calc(100% - 112px));margin-inline:auto}.skip{position:fixed;top:-100px;left:20px;padding:12px 20px;background:var(--yellow);z-index:30}.skip:focus{top:15px}.draft-bar{background:var(--dark);color:#d8d8d3;text-align:center;font-size:12px;letter-spacing:.065em;padding:6px 15px}.draft-bar span{color:var(--yellow);margin-right:12px}.header{position:sticky;top:0;background:rgba(255,255,255,.97);z-index:20;border-bottom:1px solid var(--line)}.nav-inner{height:90px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:block;width:230px;max-width:100%;line-height:1;flex-shrink:0}.brand-logo{display:block;width:100%;height:auto;object-fit:contain}.desktop-nav{display:flex;align-items:center;gap:29px;font-size:14px}.desktop-nav>a:not(.button){position:relative;padding:12px 0}.desktop-nav>a:not(.button):after{content:"";position:absolute;bottom:4px;left:0;width:0;height:2px;background:var(--ink);transition:width .2s}.desktop-nav>a:hover:after,.desktop-nav>a[aria-current=page]:after{width:100%}.button{display:inline-flex;align-items:center;justify-content:center;gap:23px;background:var(--ink);color:white;padding:15px 23px;border:1px solid var(--ink);border-radius:4px;line-height:1.25;font-size:14px;font-weight:600;min-height:49px;transition:background .2s,transform .2s}.button:hover{background:#383835;transform:translateY(-2px)}.button.light{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}.button.light:hover{background:#ffd155}.arrow{font-weight:400;font-size:22px;line-height:1}.text-link{display:inline-flex;align-items:center;gap:18px;font-size:14px;font-weight:600;line-height:1.4;border-bottom:1px solid var(--ink);padding-bottom:7px}.text-link:hover{gap:25px}.menu-toggle{display:none;background:none;border:1px solid var(--line);padding:10px 13px;font-size:14px;color:var(--ink)}.mobile-nav{padding:0 25px 24px;border-top:1px solid var(--line)}.mobile-nav a{display:block;padding:13px 0;border-bottom:1px solid var(--line)}[hidden]{display:none!important}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:12px;font-weight:600;line-height:1.5;margin:0 0 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h2{margin-bottom:24px}.heating-section p{color:#d0d0c8;max-width:470px}.heating-section .text-link{color:var(--yellow);border-color:#8e7221;margin-top:13px}.technical-list{display:grid;gap:0}.technical-item{display:grid;grid-template-columns:35px 1fr;gap:18px;padding:21px 0;border-top:1px solid #494944}.technical-item:last-child{border-bottom:1px solid #494944}.technical-item span{font-size:13px;color:var(--yellow);padding-top:3px}.technical-item h3{font-size:20px;margin-bottom:8px}.technical-item p{font-size:14px;margin:0;color:#c6c6bf}.method{display:grid;grid-template-columns:repeat(4,1fr);gap:29px;border-top:1px solid var(--line)}.method article{padding-top:29px}.method .num{font-size:14px;color:var(--muted);margin-bottom:27px;display:block}.method h3{font-size:21px;line-height:1.35;margin-bottom:13px}.method p{font-size:14px;color:var(--muted);margin:0}.cee-block{display:grid;grid-template-columns:.85fr 1.15fr;border:1px solid var(--line);margin-top:64px;border-radius:5px;overflow:hidden}.cee-label{background:var(--yellow);padding:36px 40px;display:flex;flex-direction:column;justify-content:center}.cee-label h3{font-size:36px;margin:0;line-height:1.12}.cee-label .eyebrow{margin-bottom:14px}.cee-copy{padding:35px 40px;display:flex;flex-direction:column;align-items:start;justify-content:center}.cee-copy p{font-size:15px;color:var(--muted)}.impact-section{background:var(--soft);padding:85px 0}.impact-section .section-head{margin-bottom:38px}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}.metric{border-left:1px solid #d3d3cd;padding:12px 27px 10px}.metric:first-child{padding-left:0;border-left:none}.metric-symbol{font-size:48px;line-height:1.15;letter-spacing:-.06em;margin-bottom:16px;display:block;font-weight:500}.metric h3{font-size:17px;margin-bottom:9px}.metric p{font-size:13px;color:var(--muted);margin:0}.pending{display:inline-block;font-size:12px;letter-spacing:.04em;border:1px solid #babbb2;color:#606059;border-radius:3px;padding:3px 7px;margin-top:16px}.editor-note{border-top:1px solid #d3d3cb;font-size:12px;color:var(--muted);padding-top:19px;margin:28px 0 0}.team-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}.team-copy h2{margin-bottom:25px}.team-copy>p{color:var(--muted);max-width:495px}.team-principles{display:flex;flex-wrap:wrap;gap:9px;margin-top:29px}.tag{display:inline-block;border:1px solid var(--line);padding:7px 13px;border-radius:3px;font-size:13px}.people{border-top:1px solid var(--line)}.person{display:flex;gap:24px;align-items:center;padding:31px 0;border-bottom:1px solid var(--line)}.initials{width:70px;height:70px;border-radius:50%;background:var(--soft);font-size:21px;letter-spacing:-.05em;display:grid;place-items:center;flex:none}.person:last-child .initials{background:var(--yellow)}.person h3{font-size:25px;margin-bottom:5px}.person 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a:not(.button){text-decoration:underline;text-underline-offset:4px}.prose .callout{background:var(--soft);border-left:3px solid var(--yellow);padding:25px 28px;margin:29px 0;font-size:17px}.side-note{padding:31px;background:var(--soft);border-radius:5px}.side-note h3{font-size:23px}.side-note p{font-size:14px;color:var(--muted)}.side-note ul{list-style:none;padding:0;margin:24px 0 0}.side-note li{font-size:14px;padding:13px 0;border-top:1px solid var(--line)}.side-note .button{margin-top:7px}.sources{margin-top:39px;border-top:1px solid var(--line);padding-top:21px}.sources p,.sources li{font-size:12px!important;line-height:1.7}.sources ul{list-style:none;padding:0}.sources li{padding:0}.source-label{font-weight:600;color:var(--ink)!important}.article-layout{max-width:780px;margin-inline:auto}.article-layout .article-meta{justify-content:start;gap:27px}.article-layout .prose{margin-top:43px}.article-return{border-top:1px solid var(--line);margin-top:38px;padding-top:27px}.faq{margin-top:48px}.faq details{border-top:1px solid var(--line);padding:22px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-size:18px;font-weight:500;line-height:1.5;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-size:23px}.faq details[open] summary:after{content:"−"}.faq details p{font-size:15px;margin:18px 30px 0 0;line-height:1.7;color:var(--muted)}.all-articles{padding-bottom:95px}.all-articles .articles{row-gap:50px}.legal-message{padding:24px;background:var(--soft);border-left:3px solid var(--yellow);font-size:16px}.not-found{padding:100px 0 140px}.not-found h1{font-size:50px;line-height:1.1;font-weight:500;letter-spacing:-.045em}.not-found p{max-width:550px}.metric-details{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:38px}.metric-detail{padding:28px;border:1px solid var(--line)}.metric-detail h3{font-size:22px}.metric-detail p{font-size:15px;margin:0}.header a{overflow-wrap:normal}
@media(min-width:1550px){.hero-figure{min-height:605px}.hero-copy{padding-block:65px}}
@media(max-width:1160px){.wrap{width:calc(100% - 64px)}.desktop-nav{gap:20px}.desktop-nav .button{padding-inline:15px}.hero{gap:32px}.hero h1{font-size:64px}.hero-figure{min-height:560px}.hero-actions{gap:23px}.section-head,.heating-grid,.team-grid,.contact-grid{gap:45px}.expertise-card{padding:25px 23px}.metric{padding-inline:20px}.prose-grid{gap:50px}}
@media(max-width:960px){.desktop-nav{display:none}.menu-toggle{display:block}.nav-inner{height:77px}.hero{grid-template-columns:1fr 1fr;gap:27px;padding-top:35px}.hero h1{font-size:54px}.hero-lead{font-size:18px}.hero-copy{padding:20px 0}.hero-figure{min-height:525px}.hero-caption{left:20px;right:20px;bottom:22px}.hero-caption strong{font-size:18px}.hero-caption .caption-mark{display:none}.hero-actions{align-items:start;flex-direction:column;gap:20px}.audiences{gap:15px;flex-wrap:wrap;justify-content:start}.audiences p{width:100%;max-width:none;margin-bottom:3px}.audiences span:not(:last-child):after{content:"/";padding-left:15px;color:#b5b5af}.section{padding:80px 0}.section-head{gap:35px}.expertise-grid{gap:14px}.expertise-card h3{font-size:22px}.card-top{margin-bottom:32px}.expertise-card{padding:25px 20px}.expertise-card p{font-size:14px}.heating-grid{gap:38px}.method{gap:23px}.method h3{font-size:18px}.team-grid{gap:40px}.articles{gap:24px}.article-card h3{font-size:22px}.metric-symbol{font-size:40px}.metric{padding-inline:18px}.metric h3{font-size:15px}.contact-section h2{font-size:40px}.contact-grid{gap:38px}.cee-label{padding:29px}.cee-copy{padding:29px}.cee-label h3{font-size:31px}}
@media(max-width:700px){.wrap{width:calc(100% - 40px)}.draft-bar{font-size:12px;padding-block:7px}.draft-bar span{margin-right:5px}.brand{font-size:27px}.nav-inner{height:72px}.hero{grid-template-columns:1fr;gap:30px;padding:30px 0}.hero-copy{padding:5px 0 0}.eyebrow{font-size:12px;margin-bottom:20px}.hero h1{font-size:clamp(47px,9.6vw,66px);line-height:1.055;margin:6px 0 23px}.hero-lead{font-size:19px;max-width:450px}.hero-description{font-size:15px;max-width:450px}.hero-actions{margin-top:26px;flex-direction:row;align-items:center;gap:22px}.button{padding:14px 18px;font-size:13px;gap:17px}.hero-actions .text-link{font-size:12px}.hero-figure{height:380px;min-height:0}.hero-figure img{object-position:40% 62%}.hero-caption{left:22px;bottom:21px}.hero-caption strong{font-size:20px}.hero-caption .caption-mark{display:grid}.audiences{padding:21px 0;gap:12px}.audiences span{font-size:12px}.audiences p{font-size:12px}.audiences span:not(:last-child):after{padding-left:12px}.section{padding:65px 0}.section-head{grid-template-columns:1fr;gap:21px;margin-bottom:32px}h2{font-size:37px}.section-head>p{font-size:15px;max-width:550px}.expertise-grid{grid-template-columns:1fr;gap:15px}.expertise-card{min-height:0;padding:27px}.card-top{margin-bottom:25px}.expertise-card h3{font-size:26px}.expertise-card p{font-size:15px;max-width:500px;margin-bottom:24px}.expertise-card .card-link{padding-top:20px}.heating-section{padding:60px 0}.heating-grid{grid-template-columns:1fr;gap:35px}.heating-section p{font-size:15px}.technical-item{padding-block:21px}.technical-item h3{font-size:21px}.method{grid-template-columns:1fr 1fr;gap:30px 26px}.method article{padding-top:22px}.method .num{margin-bottom:16px}.method h3{font-size:19px}.cee-block{grid-template-columns:1fr;margin-top:40px}.cee-label{padding:30px}.cee-label h3{font-size:33px}.cee-copy{padding:30px}.impact-section{padding:60px 0}.metrics{grid-template-columns:1fr;gap:24px}.metric{padding:24px 0 0;border-left:0;border-top:1px solid #d3d3cd}.metric:first-child{padding-top:0;border-top:0}.metric-symbol{font-size:42px;margin-bottom:11px}.metric h3{font-size:16px}.metric p{font-size:12px}.pending{font-size:12px}.team-grid{grid-template-columns:1fr;gap:31px}.team-copy>p{font-size:15px}.person{padding-block:24px}.person h3{font-size:23px}.team-principles{margin-top:21px}.journal .section-head>.text-link{justify-self:start}.articles{grid-template-columns:1fr;gap:35px}.article-card{min-height:0;padding-top:22px}.article-meta{margin-bottom:19px;font-size:12px}.article-card h3{font-size:26px;max-width:480px}.article-card p{font-size:15px;max-width:510px;margin-bottom:22px}.contact-section{padding:55px 0}.contact-grid{grid-template-columns:1fr;gap:24px}.contact-section h2{font-size:39px}.contact-section p{max-width:none;font-size:15px}.contact-people{font-size:17px}.footer{padding-top:40px}.footer-top{flex-direction:column;gap:32px}.footer-links{grid-template-columns:1fr 1fr;gap:13px 20px}.footer-bottom{flex-wrap:wrap;font-size:12px;gap:13px}.page-hero{padding:42px 0}.page-hero h1{font-size:43px}.page-hero .intro{font-size:19px}.breadcrumb{font-size:12px;margin-bottom:26px}.content-section{padding-bottom:60px}.prose-grid{grid-template-columns:1fr;gap:38px}.prose h2{font-size:29px;margin-top:35px}.prose p,.prose li{font-size:16px;line-height:1.8}.prose .callout{padding:21px}.metric-details{grid-template-columns:1fr}.all-articles{padding-bottom:60px}.article-layout .prose{margin-top:32px}.side-note{padding:27px}.faq summary{font-size:17px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* OFF-WATT identity: supplied logo, its exact golden yellow, black and white. */
.draft-bar{background:#f4f4f2;color:#63635d;letter-spacing:.06em;border-bottom:1px solid #e5e5df}
.draft-bar span{color:#151515;font-weight:700}
.header{border-bottom:1px solid #e5e5df}
.header .brand{width:218px}
.nav-inner{height:100px;gap:26px}
.desktop-nav{gap:25px}
.desktop-nav>a:not(.button):after{background:var(--yellow);height:3px}
.button{border-radius:30px;min-height:51px;padding:15px 24px;letter-spacing:.005em}
.desktop-nav .button{background:var(--yellow);color:var(--ink);border-color:var(--yellow)}
.desktop-nav .button:hover{background:#ffd155;border-color:#ffd155}
.eyebrow:before{background:transparent;border:2px solid var(--yellow);height:9px;width:9px;border-radius:50%}
.hero{margin-top:33px;margin-bottom:36px;padding:45px;gap:40px;background:var(--dark);color:#fff;border-radius:8px 78px 8px 8px;grid-template-columns:1.05fr 1fr}
.hero-copy{padding:28px 0}
.hero h1{font-weight:600;font-size:clamp(46px,4.65vw,65px);line-height:1.055;letter-spacing:-.055em;margin-top:5px}
.hero h1 em{color:var(--yellow)}
.hero .eyebrow{color:#d3d3cc;font-size:12px;letter-spacing:.11em}
.hero-lead{font-size:20px;color:#fafaf6;max-width:410px}
.hero-description{color:#bebeb6;font-size:15px;max-width:405px}
.hero-actions{gap:24px}
.hero-actions .button{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}
.hero-actions .button:hover{background:#ffd155;border-color:#ffd155}
.hero-actions .text-link{color:#fff;border-color:#78786e}
.hero-figure{min-height:510px;border-radius:4px 46px 4px 4px}
.hero-caption{left:24px;right:24px;bottom:25px}
.hero-caption strong{font-size:20px}
.hero-figure .image-note{right:24px;top:18px}
.audiences{border-top:none;padding:8px 0 26px}
.section-head h2,.team-copy h2{font-weight:550}
.expertise-card{border-radius:5px 32px 5px 5px;border-color:var(--line);background:#fff}
.expertise-card:hover{border-color:var(--yellow);transform:translateY(-4px)}
.expertise-card .card-top .icon{height:43px;width:43px;padding:7px;border-radius:50%;background:#fff3cf;color:#29271e}
.expertise-card.featured{border-color:var(--dark)}
.expertise-card.featured .card-top .icon{background:var(--yellow);color:var(--ink)}
.expertise-card.featured:hover{border-color:var(--yellow)}
.heating-section{border-top:4px solid var(--yellow)}
.heating-section .eyebrow:before{background:transparent}
.technical-item span{border:1px solid #756b4b;width:31px;height:31px;border-radius:50%;display:grid;place-items:center;padding-top:0;font-size:12px}
.method .num{color:#55554e;font-size:12px;font-weight:600}
.method article{border-top:3px solid var(--yellow);margin-top:-1px}
.cee-block{border-radius:5px 32px 5px 5px}
.cee-label{background:var(--yellow)}
.cee-label .eyebrow:before,.contact-section .eyebrow:before{border-color:#151515}
.impact-section{background:#f3f3f0}
.metric-symbol{font-weight:550}
.metric h3{font-weight:550}
.initials{border:1px solid #deded4;background:#f4f4f0}
.person:last-child .initials{border-color:var(--yellow)}
.tag{border-radius:20px}
.article-card{border-top:2px solid #151515}
.article-card:hover{border-top-color:var(--yellow)}
.article-card .read .arrow{width:36px;height:36px;display:grid;place-items:center;background:#f4f4ef;border-radius:50%}
.article-card:hover .read .arrow{background:var(--yellow)}
.contact-section{border-top:1px solid #e8ac00}
.footer{background:#fff;color:#151515;border-top:1px solid #dededb}
.footer .brand{width:240px}
.footer-tagline{color:#64645d}
.footer-links{color:#44443e}
.footer-links a:hover{color:#775800;text-decoration:underline;text-underline-offset:5px}
.footer-bottom{border-color:#deded7;color:#65655e}
.menu-toggle{border-radius:25px;min-height:43px;border-color:#d7d7cc;background:#fff;color:#151515}
.menu-toggle[aria-expanded=true]{background:var(--yellow);border-color:var(--yellow)}
.side-note{border-radius:5px 30px 5px 5px}
@media(min-width:1550px){.hero{padding:48px;gap:48px}.hero h1{font-size:69px}.hero-figure{min-height:555px}.hero-copy{padding:40px 0}}
@media(max-width:1160px){.header .brand{width:195px}.desktop-nav{gap:18px}.desktop-nav .button{padding-inline:18px}.hero{padding:32px;gap:30px;border-top-right-radius:62px}.hero h1{font-size:55px}.hero-figure{min-height:540px;border-top-right-radius:35px}.hero-lead{font-size:19px}.hero-actions{gap:20px;flex-direction:column;align-items:start}}
@media(max-width:960px){.nav-inner{height:88px}.header .brand{width:216px}.hero{padding:28px;gap:26px;border-top-right-radius:54px}.hero h1{font-size:47px}.hero .eyebrow{font-size:12px;letter-spacing:.07em}.hero-lead{font-size:18px}.hero-description{font-size:15px}.hero-figure{min-height:520px;border-top-right-radius:30px}.hero-caption{left:17px;right:17px}.hero-caption strong{font-size:18px}.hero-copy{padding:10px 0}}
@media(max-width:700px){.nav-inner{height:83px}.header .brand{width:205px}.hero{grid-template-columns:1fr;padding:29px 23px 23px;margin-top:22px;margin-bottom:25px;border-radius:6px 50px 6px 6px;gap:29px}.hero-copy{padding:6px 0 0}.hero h1{font-size:clamp(40px,8vw,54px);margin-top:10px;line-height:1.075}.hero .eyebrow{font-size:12px;letter-spacing:.04em;margin-bottom:15px}.hero-lead{font-size:18px}.hero-description{font-size:15px}.hero-actions{flex-direction:row;align-items:center;gap:20px;margin-top:26px}.hero-actions .button{font-size:13px;padding:14px 19px}.hero-actions .text-link{font-size:12px}.hero-figure{height:315px;min-height:0;border-radius:4px 30px 4px 4px}.hero-caption{left:19px;right:19px;bottom:21px}.hero-caption strong{font-size:19px}.hero-figure .image-note{right:17px;top:14px;font-size:12px}.hero-caption .caption-mark{width:40px;height:40px}.audiences{padding-top:4px;padding-bottom:23px}.footer .brand{width:230px}.expertise-card{border-top-right-radius:30px}.draft-bar{font-size:12px;letter-spacing:.03em}.method .num{font-size:12px}.contact-section h2{font-weight:550}}
@media(max-width:360px){.header .brand{width:177px}.nav-inner{gap:12px}.hero{padding:27px 19px 19px}.hero h1{font-size:38px}.hero .eyebrow{font-size:12px}.hero-figure{height:275px}.hero-caption strong{font-size:17px}.hero-caption .caption-mark{display:none}}

/* Partner-first presentation; preserve the official OFF-WATT identity. */
.partner-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.partner-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:5px 32px 5px 5px;padding:37px;background:#fff;transition:border-color .2s,transform .2s}
.partner-card:hover{border-color:var(--yellow);transform:translateY(-3px)}
.partner-label{font-size:12px;letter-spacing:.11em;font-weight:600;margin-bottom:24px;color:#5d5d55}
.partner-card h3{font-size:31px;line-height:1.18;letter-spacing:-.035em;margin-bottom:22px}
.partner-card p{font-size:16px;color:var(--muted);line-height:1.7;margin-bottom:20px}
.partner-card ul{list-style:none;padding:0;margin:0 0 30px;font-size:14px;color:#4c4c44}
.partner-card li{position:relative;padding-left:19px;margin-bottom:11px;line-height:1.6}
.partner-card li:before{content:"";position:absolute;width:6px;height:6px;border:1.5px solid #9a7000;border-radius:50%;left:0;top:.52em}
.partner-card .card-link{display:flex;align-items:center;justify-content:space-between;gap:18px;border-top:1px solid var(--line);padding-top:23px;margin-top:auto;font-size:14px;font-weight:600;line-height:1.5}
.partner-card-dark{background:var(--dark);color:#fff;border-color:var(--dark)}
.partner-card-dark .partner-label{color:var(--yellow)}
.partner-card-dark p,.partner-card-dark ul{color:#d1d1c9}
.partner-card-dark li:before{border-color:var(--yellow)}
.partner-card-dark .card-link{border-color:#484842;color:var(--yellow)}
.method-section{border-top:1px solid var(--line)}
.hero .eyebrow{max-width:430px}
.hero h1{font-size:clamp(44px,4.55vw,63px)}
@media(min-width:1550px){.hero h1{font-size:67px}}
@media(max-width:1160px){.desktop-nav{gap:17px;font-size:13px}.desktop-nav .button{padding-inline:19px}.hero h1{font-size:53px}.partner-card{padding:30px}.partner-card h3{font-size:28px}}
@media(max-width:960px){.hero h1{font-size:46px}.partner-card{padding:27px}.partner-card h3{font-size:26px}.partner-card .card-link{font-size:13px}}
@media(max-width:700px){.partner-grid{grid-template-columns:1fr;gap:20px}.partner-card{padding:28px}.partner-card h3{font-size:29px}.partner-card p{font-size:16px}.partner-card .card-link{font-size:14px}.hero h1{font-size:clamp(40px,8vw,53px)}.hero .eyebrow{font-size:12px;line-height:1.6;letter-spacing:.03em}.hero-actions .text-link{font-size:14px}.hero-actions{gap:22px}}
@media(max-width:360px){.hero h1{font-size:37px}.partner-card{padding:24px}.partner-card h3{font-size:27px}}

/* Equal audience choices; heating expertise shared by both building sectors. */
.hero-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:stretch;width:100%;max-width:540px}
.hero-actions .audience-button{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;height:100%;min-height:56px;padding:15px 19px;font-size:14px;line-height:1.4;background:var(--yellow);border:1px solid var(--yellow);color:var(--ink)}
.hero-actions .audience-button .arrow{flex-shrink:0}
.hero-actions .audience-button:hover{background:#ffd155;border-color:#ffd155}
.expertise-scope{border:1px solid var(--line);border-radius:5px 32px 5px 5px;overflow:hidden}
.heating-pillar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center;background:var(--dark);color:#fff;padding:36px 38px}
.heating-pillar .eyebrow{color:var(--yellow);margin-bottom:14px}
.heating-pillar h3{font-size:33px;line-height:1.2;margin-bottom:16px}
.heating-pillar .pillar-description{max-width:700px;margin:0;font-size:16px;line-height:1.7;color:#d1d1c9}
.heating-pillar .text-link{color:var(--yellow);border-color:#8e7221;white-space:nowrap}
.expertise-sectors{grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
.expertise-sectors .expertise-card{border:0;border-radius:0;padding:33px 37px;min-height:310px}
.expertise-sectors .expertise-card:first-child{border-right:1px solid var(--line)}
.expertise-sectors .expertise-card:hover{transform:none;background:#fafaf6}
.expertise-sectors .card-top{margin-bottom:28px}
.expertise-sectors h3{font-size:27px}
.expertise-sectors p{font-size:16px}
@media(max-width:1160px){.hero-actions{grid-template-columns:1fr;max-width:320px}.heating-pillar{padding:31px;gap:28px}.expertise-sectors .expertise-card{padding:30px}}
@media(max-width:960px){.heating-pillar{grid-template-columns:1fr;gap:24px}.heating-pillar .text-link{justify-self:start}.expertise-sectors .expertise-card{padding:27px}.expertise-sectors h3{font-size:25px}}
@media(max-width:700px){.hero-actions{grid-template-columns:1fr;gap:13px;max-width:none}.hero-actions .audience-button{font-size:14px;min-height:56px;padding:15px 20px}.heating-pillar{padding:28px 25px}.heating-pillar h3{font-size:29px}.heating-pillar .eyebrow{font-size:12px}.heating-pillar .text-link{white-space:normal}.expertise-sectors{grid-template-columns:1fr}.expertise-sectors .expertise-card{padding:28px 25px;min-height:0}.expertise-sectors .expertise-card:first-child{border-right:0;border-bottom:1px solid var(--line)}.expertise-sectors h3{font-size:26px}}

/* Broader operations, alongside the established heating and sector expertise. */
.other-operations{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;margin-top:28px;padding:36px 38px;background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--yellow);border-radius:5px 28px 5px 5px}
.other-operations .eyebrow{color:#655014;margin-bottom:16px}
.other-operations h3{font-size:28px;line-height:1.25;letter-spacing:-.03em;margin:0}
.other-operations p:not(.eyebrow){font-size:16px;line-height:1.7;color:var(--muted);margin:0 0 22px}
.metric-symbol{white-space:nowrap}
.metric-symbol small{font-size:.55em;letter-spacing:-.035em}
.impact-section .section-head{grid-template-columns:1fr}
@media(max-width:960px){.other-operations{padding:30px 27px;gap:30px}.other-operations h3{font-size:26px}}
@media(max-width:700px){.other-operations{grid-template-columns:1fr;padding:28px 25px;gap:22px;margin-top:20px}.other-operations .text-link{line-height:1.5}}

/* One headline figure supplied by OFF-WATT. */
.impact-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:56px;align-items:center}
.impact-layout .section-head{margin-bottom:0}
.metrics-single{display:block}
.metrics-single .metric{border:0;border-left:3px solid var(--yellow);padding:12px 0 12px 40px}
.metrics-single .metric-symbol{font-size:clamp(64px,7vw,108px);line-height:1.1;letter-spacing:-.055em;margin-bottom:18px}
.metrics-single .metric-symbol small{font-size:.48em;letter-spacing:-.025em}
.metrics-single h3{font-size:22px;line-height:1.4;letter-spacing:-.02em;margin:0}
@media(max-width:960px){.impact-layout{gap:32px}.metrics-single .metric{padding-left:28px}.metrics-single h3{font-size:20px}}
@media(max-width:700px){.impact-layout{grid-template-columns:1fr;gap:34px}.metrics-single .metric{padding:4px 0 4px 22px}.metrics-single .metric-symbol{font-size:clamp(56px,13vw,82px);margin-bottom:12px}.metrics-single h3{font-size:20px}}

/* Direct contact details confirmed by OFF-WATT. */
.contact-links{display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin-top:22px}
.contact-links a{font-size:clamp(18px,2vw,23px);font-weight:600;line-height:1.5;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:6px;overflow-wrap:anywhere}
.contact-links a:hover{text-decoration-thickness:2px}
.contact-links a:focus-visible{outline-color:var(--ink)}

/* Reveal the original bitmap in two masks; no redraw or alteration of the logo. */
.brand-intro{display:none;position:fixed;inset:0;z-index:100;background:#fff;place-items:center;pointer-events:none}
.intro-pending .brand-intro,.intro-active .brand-intro{display:grid}
.brand-intro-lockup{position:relative;width:min(520px,calc(100vw - 64px));aspect-ratio:1139/233}
.brand-intro-lockup img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:0}
.brand-intro-symbol{clip-path:inset(0 79.45% 0 0);transform-origin:10.275% 50%}
.brand-intro-wordmark{clip-path:inset(0 0 0 23.5%)}
.intro-active .brand-intro{animation:offwatt-intro-curtain 1.8s ease both}
.intro-active .brand-intro-symbol{animation:offwatt-intro-symbol 1.8s cubic-bezier(.22,.7,.2,1) both}
.intro-active .brand-intro-wordmark{animation:offwatt-intro-wordmark 1.8s cubic-bezier(.22,.7,.2,1) both}
@keyframes offwatt-intro-symbol{0%{opacity:0;transform:translateX(39.725%) scale(.92)}16%,30%{opacity:1;transform:translateX(39.725%) scale(1.15)}58%,100%{opacity:1;transform:translateX(0) scale(1)}}
@keyframes offwatt-intro-wordmark{0%,32%{opacity:0;clip-path:inset(0 76.5% 0 23.5%);transform:translateX(8px)}64%,100%{opacity:1;clip-path:inset(0 0 0 23.5%);transform:translateX(0)}}
@keyframes offwatt-intro-curtain{0%,78%{opacity:1;visibility:visible}100%{opacity:0;visibility:hidden}}
@media(prefers-reduced-motion:reduce){.intro-pending .brand-intro,.intro-active .brand-intro{display:none!important;animation:none!important}.brand-intro-lockup img{animation:none!important}}