@font-face{font-family:Montserrat;src:url('montserrat-400.woff') format('woff');font-weight:400;font-display:swap}
@font-face{font-family:Montserrat;src:url('montserrat-500.woff') format('woff');font-weight:500;font-display:swap}
@font-face{font-family:Montserrat;src:url('montserrat-600.woff') format('woff');font-weight:600;font-display:swap}
@font-face{font-family:Montserrat;src:url('montserrat-700.woff') format('woff');font-weight:700;font-display:swap}
@font-face{font-family:Montserrat;src:url('montserrat-800.woff') format('woff');font-weight:800;font-display:swap}
:root{--ink:#15271c;--muted:#586459;--green:#386b2a;--lime:#c2ed69;--paper:#fff;--cream:#f3f5f0;--line:#dce2d7;--dark:#101c15;--font:Montserrat,Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:112px}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--font);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}img,video{max-width:100%;display:block}button{border:0}button:disabled{cursor:wait;opacity:.65}[hidden]{display:none!important}::selection{background:var(--lime);color:var(--ink)}:focus-visible{outline:3px solid #568529;outline-offset:5px}.hero :focus-visible,.spec-section :focus-visible,.contact-section :focus-visible,.video-dialog :focus-visible{outline-color:var(--lime)}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.container{width:min(1320px,calc(100% - 112px));margin-inline:auto}.skip-link{position:fixed;z-index:100;left:20px;top:10px;transform:translateY(-150%);padding:12px 20px;background:var(--lime);font-weight:700}.skip-link:focus{transform:none}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.13;letter-spacing:-.05em}h2{font-size:clamp(32px,3.65vw,54px);font-weight:700;margin-bottom:25px}h3{font-size:22px}p{margin-bottom:22px}em{font-style:normal}.eyebrow{font-size:11px;line-height:1.5;letter-spacing:.12em;font-weight:700;margin-bottom:25px;color:var(--green)}.eyebrow-light{color:#d6e0d1}.text-green{color:var(--green)}.section-index{display:inline-block;border-bottom:1px solid var(--green);padding-bottom:9px;margin-right:20px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-height:56px;padding:17px 24px;font-size:12px;line-height:1.4;font-weight:700;border-radius:3px;transition:background .2s,transform .2s}.button span{font-size:23px;font-weight:400;line-height:1}.button:hover{transform:translateY(-2px)}.button-lime{background:var(--lime);color:#122412}.button-lime:hover{background:#d6ff8c}.button-dark{background:var(--ink);color:white}.button-dark:hover{background:#2a472e}.text-link{display:inline-flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;font-weight:600;border-bottom:1px solid #95a490;padding-bottom:9px;transition:gap .2s}.text-link span{font-size:23px;line-height:1}.text-link:hover{gap:29px}.text-link-light{color:#eff5e9;border-color:#5c725e}.fine-print{color:var(--muted);font-size:11px;line-height:1.8;margin:25px 0 0}
.topbar{background:#eaf1e4;color:#385436;font-size:10px;font-weight:600;letter-spacing:.05em}.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:34px;gap:20px}.topbar a{font-size:11px;letter-spacing:0}.topbar-divider{margin:0 12px;color:#7d9675}.header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid #edf0e9;backdrop-filter:blur(10px)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;height:91px}.brand{display:block;width:222px;flex-shrink:0}.brand img{width:100%;height:auto}.nav{display:flex;align-items:center;gap:23px}.nav a{font-size:11px;font-weight:600;white-space:nowrap;position:relative;padding:14px 0}.nav a:after{content:'';position:absolute;bottom:6px;left:0;height:2px;width:0;background:var(--green);transition:width .25s}.nav a:hover:after{width:100%}.header-contact{min-height:46px;padding:13px 19px}.menu-toggle{display:none;position:relative;width:44px;height:44px;background:transparent;padding:10px}.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:6px 0;transition:transform .2s}
.hero{background:#080d09;color:#fff;position:relative;min-height:725px;overflow:hidden}.hero-inner{position:relative;z-index:2;padding-top:88px;padding-bottom:30px;min-height:725px;display:flex;flex-direction:column;justify-content:space-between}.hero-copy{max-width:690px;padding-bottom:45px}.hero h1{font-size:clamp(54px,6.05vw,91px);font-weight:700;line-height:1.03;letter-spacing:-.065em;margin-bottom:31px}.hero h1 em{color:var(--lime)}.hero-description{color:#d0d8cc;font-size:16px;line-height:1.9}.live-dot{width:7px;height:7px;background:var(--lime);border-radius:50%;display:inline-block;margin-right:10px;box-shadow:0 0 15px #87ce3c5e}.hero-media{position:absolute;inset:0 0 0 38%;width:62%;overflow:hidden}.hero-media:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#080d09 0%,#080d0980 16%,transparent 47%),linear-gradient(0deg,#080d09 0%,transparent 20%,transparent 80%,#080d0980 100%)}.hero-video,.hero-poster{height:100%;width:100%;object-fit:cover;object-position:48% center;opacity:.76}.hero-video{position:absolute;inset:0;opacity:0;transition:opacity .5s}.hero-video.is-playing{opacity:.83}.hero-grid{position:absolute;inset:0;opacity:.035;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:85px 85px}.hero .eyebrow{margin-bottom:27px;letter-spacing:.12em;font-size:10px}.hero-actions{display:flex;align-items:center;gap:32px;margin-top:35px}.video-link{display:flex;align-items:center;gap:11px;font-size:12px;font-weight:500}.play-small{border:1px solid #778073;width:34px;height:34px;display:grid;place-content:center;border-radius:50%;font-size:9px;padding-left:1px}.hero-origin{font-size:9px;letter-spacing:.16em;color:#a4b09d;margin:39px 0 0}.hero-origin span{margin:0 15px;color:#62775b}.hero-side-label{position:absolute;right:0;bottom:122px;font-size:9px;letter-spacing:.13em;writing-mode:vertical-rl;color:#bac8b2}.hero-side-label span{display:block;margin-top:30px;color:var(--lime)}.hero-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:22px;border-top:1px solid #ffffff25}.scroll-link,.motion-toggle{display:flex;align-items:center;gap:23px;font-size:10px;color:#d0dacb;font-weight:500}.scroll-link span{font-size:22px}.motion-toggle{background:transparent;padding:8px 0}.motion-toggle span{font-size:15px}.intro-strip{background:var(--lime)}.intro-strip-inner{display:grid;grid-template-columns:1.05fr 1fr 1fr 1fr;min-height:132px;align-items:center;gap:35px}.intro-strip-inner>span{font-size:11px;line-height:1.8;letter-spacing:.07em}.intro-strip-inner>span strong{font-weight:800}.intro-strip-inner>div{border-left:1px solid #7a9a48;padding-left:32px}.intro-strip-inner>div>strong{display:block;font-size:25px;line-height:1.2;letter-spacing:-.05em;font-weight:700}.intro-strip-inner>div small{font-size:16px}.intro-strip-inner>div>span{font-size:11px;display:block;margin-top:8px}
.section{padding:112px 0}.section-heading{display:grid;grid-template-columns:1fr 2.1fr;gap:50px;margin-bottom:58px}.section-heading>.eyebrow{padding-top:12px}.section-heading>div{max-width:850px}.section-heading h2{margin-bottom:22px}.section-heading p:not(.eyebrow){max-width:680px;color:var(--muted);font-size:15px;line-height:1.9;margin-bottom:0}.technology-grid{display:grid;grid-template-columns:1.06fr 1fr;gap:78px;align-items:center}.boiler-visual{position:relative;background:#101413;aspect-ratio:1.03;overflow:hidden;border-radius:4px}.boiler-visual>img{width:100%;height:100%;object-fit:cover;object-position:45% center}.visual-tag{position:absolute;top:25px;left:25px;color:#bfccb9;border:1px solid #41513b;padding:7px 11px;font-size:9px;letter-spacing:.11em;background:#101811a8}.visual-play{position:absolute;left:25px;bottom:66px;display:flex;align-items:center;gap:14px;color:white;background:transparent;font-size:12px;padding:0}.visual-play span{background:var(--lime);color:#1b2d1a;width:42px;height:42px;display:grid;place-content:center;border-radius:50%;font-size:11px}.visual-caption{position:absolute;left:25px;bottom:24px;font-size:10px;color:#c2d0bb;letter-spacing:.03em}.numbered-point{display:grid;grid-template-columns:28px 1fr;gap:22px;padding:27px 0;border-bottom:1px solid var(--line)}.numbered-point:first-child{padding-top:0}.numbered-point>span{font-size:11px;color:var(--green);padding-top:5px}.numbered-point h3{margin-bottom:12px;font-size:23px}.numbered-point p{font-size:13px;color:var(--muted);line-height:1.85;margin:0}.technology-points>.text-link{margin-top:30px}
.spec-section{padding:85px 0;background:var(--ink);color:#fff;position:relative}.spec-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:100px;align-items:center}.spec-layout h2{font-size:40px}.spec-layout>div>p:not(.eyebrow){color:#bbc8b5;font-size:13px;max-width:450px}.spec-grid{margin:0;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #50634d}.spec-grid>div{padding:23px 0;border-bottom:1px solid #50634d}.spec-grid>div:nth-child(2n){padding-left:30px;border-left:1px solid #50634d}.spec-grid dt{font-size:11px;color:#b4c4ab;margin-bottom:9px}.spec-grid dd{font-size:49px;letter-spacing:-.055em;line-height:1.2;margin:0;color:var(--lime);font-weight:600}.spec-grid dd>span{font-size:18px;font-weight:400}.spec-grid .spec-wide{grid-column:1/-1}.spec-grid>div.spec-wide:nth-child(2n){padding-left:0;border-left:0}.spec-grid .spec-wide dd{font-size:23px;letter-spacing:-.025em;display:flex;justify-content:space-between;align-items:center}.spec-grid .spec-wide dd>span{font-size:27px}.spec-grid .spec-chimney dd{justify-content:flex-start;align-items:baseline;gap:8px}.spec-grid .spec-chimney dd>span{font-size:18px}.applications-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.application-card{border:1px solid var(--line);padding:40px 31px 28px;position:relative;transition:background .25s,border .25s}.application-card:hover{background:var(--cream);border-color:#7caa63}.application-card svg{width:56px;height:56px;stroke:var(--green);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round;margin-bottom:35px}.application-card h3{font-size:23px;margin-bottom:17px}.application-card p{font-size:13px;color:var(--muted);min-height:96px;margin-bottom:27px}.application-card a{font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:19px;gap:10px}.application-card a span{font-size:24px}
.calculator-section{background:var(--cream)}.calculator-grid{display:grid;grid-template-columns:.85fr 1.2fr;background:white;border:1px solid var(--line);border-radius:4px;overflow:hidden}.calculator-controls{padding:42px;border-right:1px solid var(--line)}.pill{font-size:9px;font-weight:700;letter-spacing:.08em;display:inline-block;padding:7px 10px;background:#eef4e5;color:var(--green);border-radius:3px;margin-bottom:32px}.range-label{font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:15px}.range-label output{font-size:25px;font-weight:700;letter-spacing:-.05em}input[type=range]{width:100%;height:25px;accent-color:var(--green);margin:20px 0 0;cursor:pointer}.range-endpoints{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin:1px 0 30px}.field-label{font-size:12px;font-weight:600;display:block;margin-bottom:11px}.input-unit{display:flex;align-items:center;background:var(--cream);border:1px solid var(--line);border-radius:2px}.input-unit input{width:50%;border:0;background:transparent;font-size:21px;font-weight:600;padding:13px 16px;color:var(--ink)}.input-unit span{width:50%;text-align:right;padding:0 15px;font-size:11px;color:var(--muted)}.input-note{font-size:10px;line-height:1.7;color:var(--muted);margin:9px 0 23px}.rate-settings{font-size:11px}.rate-settings summary{display:flex;justify-content:space-between;cursor:pointer;padding:11px 0;border-bottom:1px solid var(--line);font-weight:600;gap:14px}.rate-settings summary span{font-size:17px}.rate-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;padding:20px 0}.rate-grid label{font-size:10px;font-weight:500}.rate-grid input{display:block;width:100%;min-width:0;margin-top:6px;border:1px solid var(--line);padding:8px 10px;border-radius:2px;background:var(--cream)}.annual-demand{border-top:1px solid var(--line);padding-top:22px;margin-top:25px;font-size:11px;display:flex;justify-content:space-between;gap:15px}.annual-demand strong{font-size:13px}.calculator-controls>.button{width:100%;margin-top:3px}.calculator-results{padding:42px}.results-label{font-size:9px;font-weight:600;letter-spacing:.06em;color:var(--muted);margin-bottom:13px}.comparison-table{width:100%;border-collapse:collapse;table-layout:fixed}.comparison-table th,.comparison-table td{padding:23px 0;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.comparison-table th{width:51%;font-size:12px;font-weight:500;padding-right:15px;line-height:1.7}.comparison-table th small{display:block;color:var(--muted);font-size:10px;font-weight:400;margin-top:5px}.comparison-table td strong{font-size:23px;line-height:1.3;letter-spacing:-.055em;display:block;white-space:nowrap}.comparison-table th .unit-rate{margin-top:11px;color:var(--ink)}.unit-rate-value{display:block;font-size:14px;font-weight:700;line-height:1.5;letter-spacing:-.025em}.unit-rate-caption{display:block;font-size:9px;line-height:1.6;margin-top:2px;color:var(--muted)}.wood-result .unit-rate-value{color:var(--green)}.cost-bar{height:6px;width:100%;background:#edf0e9;margin-top:17px;border-radius:2px;overflow:hidden}.cost-bar i{display:block;height:100%;background:#aab6a3;transition:width .35s}.wood-result th{font-weight:700;color:var(--green)}.wood-result td strong{font-size:33px;color:var(--green)}.wood-result .cost-bar i{background:#7eb641}.calculator-disclaimer{font-size:10px;color:var(--muted);line-height:1.9;margin-top:24px;margin-bottom:0}.calculation-error{color:#aa2519;font-size:11px;margin:14px 0 0}.savings-details{margin-top:28px;font-size:12px;color:var(--muted)}.savings-details summary{cursor:pointer;display:flex;justify-content:space-between;gap:15px;font-weight:600;padding:10px 0}.savings-details summary span{font-size:20px}.savings-details>div{max-width:920px;padding:15px 0}.savings-details p:last-child{margin-bottom:0}
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.cookie-banner{position:fixed;bottom:22px;left:22px;z-index:55;width:min(480px,calc(100% - 44px));background:white;padding:24px;border:1px solid var(--line);border-radius:5px;box-shadow:0 10px 65px #11241222}.cookie-banner-head{display:flex;align-items:center;gap:10px;font-size:13px;line-height:1.4;margin-bottom:10px}.cookie-icon{font-size:20px;color:var(--green)}.cookie-banner p{font-size:10px;line-height:1.8;margin:0 0 16px;color:var(--muted)}.cookie-banner p a{text-decoration:underline;text-underline-offset:2px}.cookie-actions{display:flex;align-items:center;flex-wrap:wrap;gap:9px}.cookie-actions>button:not(.cookie-settings-link){background:var(--cream);border:1px solid #b7c5aa;padding:11px 15px;font-size:10px;font-weight:600;border-radius:2px;min-height:41px;flex:1}.cookie-actions>button:not(.cookie-settings-link):hover{background:#e3efcf}.cookie-settings-link{font-size:10px;background:transparent;padding:10px 4px;text-decoration:underline;min-height:41px}dialog{border:0;border-radius:5px;padding:42px;color:var(--ink);max-height:calc(100dvh - 40px);overflow:auto;overscroll-behavior:contain}dialog::backdrop{background:#061008bb;backdrop-filter:blur(6px)}.dialog-close{position:absolute;top:14px;right:16px;width:36px;height:36px;display:grid;place-content:center;font-size:28px;font-weight:400;background:transparent;line-height:1;border-radius:50%}.dialog-close:hover{background:#7fa46425}.cookie-dialog{width:min(580px,calc(100% - 36px))}.cookie-dialog h2{font-size:35px;margin-bottom:16px}.cookie-dialog>.eyebrow{margin-bottom:12px}.cookie-dialog>p:not(.eyebrow){font-size:12px;color:var(--muted)}.consent-row{display:flex;gap:22px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:21px 0}.consent-row strong{font-size:12px}.consent-row p{font-size:10px;line-height:1.8;margin:7px 0 0;color:var(--muted)}.always-on{font-size:9px;white-space:nowrap;font-weight:600;color:var(--green)}.consent-toggle{height:22px;width:22px;flex-shrink:0;accent-color:var(--green)}.dialog-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}.dialog-actions>.button{flex:1;font-size:10px;justify-content:center;min-height:47px;padding:12px 14px}.small-link{display:inline-block;text-decoration:underline;font-size:10px;color:var(--muted);margin-top:20px}.video-dialog{background:#111d15;color:white;width:min(1020px,calc(100% - 40px));padding:28px 35px}.video-dialog>.eyebrow{margin-bottom:10px;font-size:9px}.video-dialog h2{font-size:23px;margin-bottom:22px;padding-right:28px}.video-container{background:#060c08;border:1px solid #32412c;min-height:200px}.video-container iframe{width:100%;aspect-ratio:16/9;border:0;display:block}.video-container video{width:100%;max-height:65dvh;object-fit:contain;background:#060c08}.video-container .video-consent{padding:50px 35px;background:#152317;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;min-height:340px;justify-content:center}.video-consent h3{font-size:25px;margin:0}.video-consent p{font-size:12px;color:#c5d3bc;max-width:490px;margin:0}.video-consent .button{margin-top:7px;font-size:11px}.video-consent>a{font-size:11px;text-decoration:underline}.video-dialog-footer{font-size:10px;color:#c2d1b8;line-height:1.8;margin-top:17px}.video-dialog-footer a{text-decoration:underline}.video-dialog-footer details{padding-top:10px}.video-dialog-footer summary{cursor:pointer;font-weight:600;color:#e5efdc}.video-dialog-footer details p{margin:10px 0 0}.reveal{opacity:1;transform:none}.motion-ready .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s,transform .6s}.motion-ready .reveal.is-visible{opacity:1;transform:none}.legal-main{padding:80px 0 95px}.legal-header{max-width:900px;padding-bottom:35px;border-bottom:1px solid var(--line);margin-bottom:35px}.legal-header h1{font-size:clamp(36px,5vw,58px);margin-bottom:23px}.legal-header>p:not(.eyebrow){color:var(--muted);font-size:13px}.legal-content{max-width:890px}.legal-content h2{font-size:23px;letter-spacing:-.025em;margin:37px 0 15px}.legal-content h3{font-size:17px;letter-spacing:-.02em}.legal-content p,.legal-content li{font-size:13px;color:var(--muted);line-height:1.9}.legal-content a{text-decoration:underline;text-underline-offset:3px}.legal-content table{width:100%;border-collapse:collapse;margin:25px 0}.legal-content th,.legal-content td{font-size:11px;border:1px solid var(--line);text-align:left;padding:14px;vertical-align:top;overflow-wrap:anywhere}.legal-content th{background:var(--cream)}.legal-content .button{text-decoration:none;margin-top:25px}.error-page{min-height:55vh;padding:100px 0}.error-page h1{font-size:75px;margin-bottom:20px}
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@media(max-width:760px){.reviews-grid{grid-template-columns:minmax(0,1fr);gap:32px}.unit-rate-value{font-size:13px}html{scroll-padding-top:91px}.container{width:calc(100% - 40px)}.topbar-inner{min-height:29px;justify-content:center}.topbar-inner>span{font-size:8px;letter-spacing:.045em}.topbar-inner>a{display:none}.header-inner{height:72px;gap:12px}.brand{width:170px}.header-contact{font-size:0;padding:10px;min-height:38px;gap:0;margin-right:0;background:transparent;color:var(--ink)}.header-contact span{font-size:23px}.menu-toggle{padding:8px;width:40px;height:40px}.nav{top:72px;padding:17px 20px 24px}.hero,.hero-inner{min-height:710px}.hero-inner{padding-top:52px;padding-bottom:22px}.hero h1{font-size:clamp(48px,10.8vw,74px);line-height:1.04;letter-spacing:-.06em;margin-bottom:22px}.hero-copy{max-width:100%;padding-bottom:30px}.hero 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