/* Clever Energy — a warmer, more exploratory second direction. */
.home-play>.play-triangle{font-size:10px;padding-left:2px}.film-section{display:grid;grid-template-columns:1.16fr .84fr;gap:64px;align-items:center;padding:75px 0 65px;border-bottom:1px solid #e3dfd7;scroll-margin-top:105px}.film-stage{position:relative;background:#102b3b;border-radius:9px;overflow:hidden;box-shadow:0 16px 35px #102b3b16;aspect-ratio:16/11}.film-stage video{display:block;width:100%;height:100%;position:absolute;inset:0;object-fit:contain;background:#102b3b}.film-start{display:flex;position:absolute;inset:0;width:100%;height:100%;border:0;background:linear-gradient(180deg,#0b233c20,#0b233c30 50%,#0b233ca0);align-items:center;justify-content:center;flex-direction:column;color:white;gap:18px}.film-play-circle{display:grid;place-items:center;background:#e47c3f;color:#fff;height:72px;width:72px;border:1px solid #ffffff40;border-radius:50%;font-size:23px;padding-left:5px;box-shadow:0 0 0 11px #ffffff12;transition:transform .2s,box-shadow .2s}.film-start:hover .film-play-circle{transform:scale(1.08);box-shadow:0 0 0 15px #ffffff15}.film-start-label{font-size:9px;font-weight:800;letter-spacing:1.5px;display:flex;flex-direction:column;align-items:center;gap:5px}.film-start-label>span{font-weight:400;font-size:9px;letter-spacing:.8px;color:#d9e1e8}.film-archive-tag{position:absolute;left:16px;top:14px;pointer-events:none;background:#102b3bd9;color:#fff;font-size:7px;font-weight:700;letter-spacing:1.2px;padding:7px 10px;border-radius:3px;transition:opacity .2s}.film-stage.is-playing .film-archive-tag{opacity:0}.film-caption{font-size:9px;line-height:1.9;color:#7b858b;margin-top:15px}.film-story>.eyebrow{font-size:8px;color:#b66d42;letter-spacing:1.4px;margin-bottom:20px}.film-story h2{font-size:37px;line-height:1.24;letter-spacing:-1.5px}.film-story h2 em{font-family:Georgia,'Times New Roman',serif;font-size:1.14em;color:#b87547;font-weight:400;letter-spacing:-1.4px}.film-story>p:not(.eyebrow){font-size:13px;color:#647684;line-height:1.95;margin-top:20px;max-width:350px}.film-story>p+p:not(.eyebrow){margin-top:12px}.film-story .text-link{font-size:12px;line-height:1.8;gap:15px;margin-top:24px}.desktop-nav{gap:24px}
@media(max-width:1150px){.film-section{gap:42px;padding-block:60px}.film-story h2{font-size:32px}.desktop-nav{gap:18px}.desktop-nav a{font-size:11px}}
@media(max-width:900px){.film-section{gap:30px;padding-block:55px}.film-story h2{font-size:28px}.film-story>.eyebrow{font-size:6px;letter-spacing:1px}.film-story>p:not(.eyebrow){font-size:12px}.film-story .text-link{font-size:10px}.film-play-circle{height:58px;width:58px;font-size:20px}.film-archive-tag{font-size:5px;left:10px;top:10px}.film-start-label{font-size:7px}.film-caption{font-size:8px}}
@media(max-width:670px){.film-section{grid-template-columns:1fr;gap:28px;padding:45px 0 47px;scroll-margin-top:90px}.film-story{grid-row:1}.film-story>.eyebrow{font-size:7px;letter-spacing:1.1px;margin-bottom:15px}.film-story h2{font-size:30px;letter-spacing:-1.2px}.film-story>p:not(.eyebrow){font-size:12px;max-width:100%;margin-top:17px}.film-story>p+p:not(.eyebrow){margin-top:10px}.film-story .text-link{font-size:11px;margin-top:17px}.film-caption{font-size:8px;line-height:1.85;margin-top:13px}.film-stage{border-radius:7px}.film-play-circle{width:57px;height:57px;font-size:19px}.film-start{gap:15px}.film-start-label{font-size:7px}.film-start-label>span{font-size:8px}.film-archive-tag{font-size:6px;left:11px;top:10px;letter-spacing:.8px}.home-play>.play-triangle{font-size:8px}.home-play{font-size:8px}}
:root{--orange:#e96c27;--orange-bright:#ff9c60;--cream:#f6f2eb}
body{background:#fdfcf9}.topbar{background:#eee9e1;color:#65717a}.topbar strong{color:var(--ink)}.header{background:#fdfcf9f5;border-color:#e8e5df}.header-inner{height:84px}.desktop-nav a{font-size:12px}.brand-sub{letter-spacing:1.6px}.button{border-radius:4px;padding:17px 24px}.header .button-small{padding:12px 18px}
.home-hero{position:relative;isolation:isolate;min-height:694px;margin:16px 18px 0;border-radius:13px;overflow:hidden;background:#142b3d;color:white;scroll-margin-top:100px}.home-backdrop{position:absolute;width:100%;height:100%;inset:0;object-fit:cover;object-position:58% 56%;z-index:-3}.home-shade{position:absolute;inset:0;background:linear-gradient(90deg,#10293af5 0%,#10293ac9 34%,#10293a4d 66%,#10293a05 100%),linear-gradient(0deg,#0a2036aa,transparent 36%);z-index:-2}.home-inner{min-height:694px;position:relative;padding:56px 0 102px}.home-copy{max-width:665px}.home-eyebrow{font-size:9px;font-weight:800;letter-spacing:2.6px;display:flex;align-items:center;gap:11px;color:#fbd1af;margin-bottom:24px}.home-eyebrow>span{height:6px;width:6px;background:#f5a66e;border-radius:50%;box-shadow:0 0 0 5px #ffac7020}.home-copy h1{font-size:70px;font-weight:800;line-height:1.07;letter-spacing:-3.7px}.home-copy h1 em{display:inline-block;font-family:Georgia,'Times New Roman',serif;font-size:1.16em;font-weight:400;letter-spacing:-4px;color:#ffad73;line-height:1.07}.home-subtitle{font-size:18px;font-weight:600;line-height:1.6;letter-spacing:-.3px;margin-top:24px}.home-description{font-size:12px;color:#d5dee2;max-width:370px;margin-top:14px;line-height:1.95}.home-actions{display:flex;align-items:center;gap:29px;margin-top:25px}.home-actions .button{font-size:12px;padding:16px 21px;gap:24px;background:#ed762f}.home-actions .button:hover{background:#ff8a40;box-shadow:0 7px 24px #f5843820}.home-play{display:flex;align-items:center;gap:9px;font-size:11px;font-weight:700;color:#fff}.home-play>span{display:grid;place-items:center;width:30px;height:30px;border:1px solid #dce8ed55;border-radius:50%;font-size:18px;font-weight:400}.home-play:hover{color:#ffb27e}.home-checks{display:flex;gap:21px;font-size:9px;color:#bcccd5;margin-top:18px}.home-checks>span{display:flex;align-items:center;gap:6px}.home-checks .icon{height:12px;width:12px;color:#e4b088}.potential-stamp{position:absolute;right:25px;top:48px;width:159px;height:159px;background:#f7eddf;box-shadow:0 5px 35px #061e3260;border-radius:50%;color:#263c49;display:flex;flex-direction:column;align-items:center;justify-content:center;transform:rotate(9deg);transition:transform .3s}.potential-stamp:before{content:'';position:absolute;inset:8px;border:1px dashed #c78657aa;border-radius:50%}.potential-stamp>span{font-size:8px;letter-spacing:1.5px;font-weight:800}.potential-stamp>span:first-child{font-size:9px;letter-spacing:3px;margin-top:1px}.potential-stamp>strong{font-size:59px;letter-spacing:-3px;line-height:1.1;font-weight:800;color:#d86429;margin:4px 0 3px}.potential-stamp small{font-size:29px;letter-spacing:-1px}.potential-stamp .icon{width:18px;height:18px;position:absolute;right:15px;bottom:16px;transform:rotate(-43deg);opacity:.6}.potential-stamp:hover{transform:rotate(0deg) scale(1.04)}.product-teaser{position:absolute;right:0;bottom:98px;display:flex;align-items:center;gap:17px;padding:17px 23px 17px 16px;border:1px solid #ffffff50;border-radius:9px;background:#f4efe6f5;color:#203a4b;box-shadow:0 14px 35px #061b3030;backdrop-filter:blur(16px);transition:transform .25s;max-width:345px}.product-teaser>img{width:111px;height:94px;object-fit:cover;border-radius:5px;box-shadow:0 3px 9px #132a4115}.product-teaser>span{display:block}.product-teaser small{display:block;font-size:7px;letter-spacing:1.4px;color:#a36036;font-weight:800;margin-bottom:6px}.product-teaser strong{display:block;font-size:19px;line-height:1.4;font-weight:800;letter-spacing:-.5px}.product-teaser>span>span{display:flex;gap:18px;align-items:center;font-size:9px;font-weight:700;color:#99603c;margin-top:9px}.product-teaser .icon{width:15px;height:15px}.product-teaser:hover{transform:translateY(-5px)}.home-scroll{position:absolute;left:0;right:0;bottom:30px;display:flex;align-items:center;justify-content:space-between;padding-top:15px;border-top:1px solid #ffffff29;font-size:8px;letter-spacing:1.4px;color:#d8e2e5}.home-scroll>span:last-child{font-size:9px;letter-spacing:0}.mood-caption{position:absolute;bottom:5px;right:13px;font-size:7px;color:#d0dae0b0}.home-disclaimer{font-size:9px;line-height:1.8;color:#7c8387;text-align:center;padding:13px 0 17px}.benefit-strip{background:transparent;border-top:0;border-bottom-color:#e4e1db}.strip-inner{padding:23px 0 27px}.strip-inner>span{font-size:12px}.strip-inner .icon{color:#bd794c}.section{padding-block:100px}.section-intro{margin-bottom:45px}.section-intro .eyebrow{font-size:9px;color:#bd6a37;letter-spacing:1.7px}.section-intro h2{font-size:43px;line-height:1.25;letter-spacing:-1.9px}.section-intro h2>span{font-family:Georgia,'Times New Roman',serif;font-style:italic;color:#9a6f50;font-size:1.13em;letter-spacing:-1.5px}.section-intro>p{font-size:13px;max-width:330px}.principle-layout{grid-template-columns:1.15fr .85fr;gap:66px}.heat-demo{background:#ecf0f0;border-color:#e1e6e5;padding:25px 26px 17px;border-radius:12px;box-shadow:0 15px 45px #142c4306}.boiler-graphic{margin:5px 0 0}.demo-top{font-size:8px}.phase-controls{padding:5px;gap:5px;background:#dfe6e7}.phase-button{font-size:11px;padding:13px 9px}.phase-button span{font-size:9px}.diagram-note{font-size:8px;margin-top:13px}.principle-copy h3{font-size:27px}.principle-copy .text-link{font-size:12px}.original-module{display:flex;gap:20px;align-items:center;margin-bottom:29px;padding-bottom:25px;border-bottom:1px solid #e1e3de}.original-module img{width:112px;height:86px;object-fit:cover;border-radius:5px;transform:rotate(-4deg);box-shadow:0 5px 12px #142c4314}.original-module>div>span{display:block;font-size:8px;letter-spacing:1.5px;font-weight:800;color:#a96c44;margin-bottom:7px}.original-module strong{font-size:18px;font-weight:700;line-height:1.45;letter-spacing:-.4px}.principle-divider{margin-top:21px}.number-label{font-size:8px}.flame{transform-origin:208px 202px;animation:burner-flicker 2s ease-in-out infinite}.heat-demo[data-phase=release] .release-waves{animation:heat-pulse 2.3s ease-in-out infinite;transform-origin:325px 201px}.heat-demo[data-phase=release] .flame{animation:none}.advantages{padding:68px 0;background:#f0ede6;border:0}.advantages .section-intro{margin-bottom:38px}.advantages .section-intro h2{font-size:35px}.advantage-grid article{padding-top:12px}.advantage-grid article+article{border-color:#d8d7cd}.feature-number{font-size:38px;line-height:1;letter-spacing:-2px;color:#bd9c7e;top:15px;opacity:.6}.feature-icon{background:#fdfcf9;border-color:#e3dfd5}.advantage-grid h3{font-size:22px}.advantage-grid p{font-size:13px}.savings-experience{padding:100px 0 110px;background:#fdfcf9;position:relative;overflow:hidden}.savings-experience:after{content:'%';font-family:Georgia,serif;font-size:390px;color:#e7dfd344;position:absolute;right:-20px;bottom:-150px;line-height:1;z-index:0;pointer-events:none}.savings-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:85px;align-items:center;position:relative;z-index:1}.savings-story>.eyebrow{font-size:9px;color:#b96c3d;letter-spacing:1.8px;margin-bottom:22px}.savings-story h2{font-size:42px;line-height:1.2;letter-spacing:-1.8px}.savings-story h2 em{font-family:Georgia,'Times New Roman',serif;font-size:1.12em;font-weight:400;color:#c47743;letter-spacing:-1.8px;line-height:1.24;display:block;margin-top:9px}.savings-story>p:not(.eyebrow){font-size:14px;line-height:1.95;color:#657582;max-width:345px;margin-top:25px}.savings-story .text-link{max-width:345px;font-size:12px;line-height:1.8;margin-top:29px;gap:15px}.savings-small-note{display:block;max-width:300px;font-size:10px;line-height:1.9;color:#88929a;margin-top:18px}.savings-playground{padding:32px 36px;background:#f3eee5;border-radius:12px;border:1px solid #ebe4d9;box-shadow:0 16px 40px #302b2106}.range-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.range-heading label{font-size:12px;font-weight:700;max-width:155px;line-height:1.6}.range-heading output{font-size:24px;line-height:1.2;font-weight:800;letter-spacing:-.7px;white-space:nowrap}.range-heading output span{font-size:12px;font-weight:500;letter-spacing:0;margin-left:2px}#annual-oil{appearance:none;-webkit-appearance:none;height:6px;background:linear-gradient(90deg,#d77b42 21.05%,#dcd7cc 21.05%);border:0;border-radius:10px;padding:0;cursor:pointer;display:block;margin:20px 0 14px;width:100%}#annual-oil::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;background:#fdfcf9;border:5px solid #d47a44;border-radius:50%;height:23px;width:23px;box-shadow:0 2px 6px #6d4d3325}#annual-oil::-moz-range-thumb{background:#fdfcf9;border:5px solid #d47a44;border-radius:50%;height:13px;width:13px}.range-limits{display:flex;justify-content:space-between;color:#898c85;font-size:9px}.scenario-label{font-size:10px;font-weight:600;color:#7e7e72;margin-top:25px;margin-bottom:11px}.scenario-options{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.scenario-options button{background:#ffffff60;border:1px solid #ded9cf;border-radius:5px;padding:10px 5px;font-weight:800;font-size:19px;color:#72808a;transition:background .2s,color .2s,border-color .2s}.scenario-options button>span{font-size:11px;font-weight:500}.scenario-options button:hover{border-color:#c27e50;color:#a66034}.scenario-options button.is-selected{background:#183448;color:#fff;border-color:#183448}.calculated-result{margin-top:30px;border-top:1px solid #dbd6ca;padding-top:24px}.result-kicker{font-size:8px;letter-spacing:1.6px;color:#8b795e;font-weight:800}.calculated-result>div{display:flex;align-items:center;gap:20px;margin-top:5px}.calculated-result output{font-size:92px;letter-spacing:-7px;line-height:1.2;font-weight:800;color:#c97037;min-width:185px}.calculated-result>div>span{font-size:13px;color:#7a7869;line-height:1.7}.oil-comparison{margin-top:16px}.oil-comparison>div:not(.oil-track){display:flex;justify-content:space-between;gap:15px;font-size:9px;color:#818679;margin-top:13px}.oil-comparison strong{font-size:10px;font-weight:600;color:#596e79;white-space:nowrap}.oil-track{height:6px;border-radius:5px;background:#e1ddd3;overflow:hidden;margin-top:6px}.oil-track span{height:100%;width:100%;display:block;background:#a8b2ae;transition:width .45s ease}.oil-track #after-bar{background:#d58b57}.calculation-note{font-size:9px;line-height:1.9;color:#8a8b80;margin-top:22px}.faq-section{padding-top:20px;padding-bottom:95px}.faq-intro h2{font-size:37px}.faq-intro h2>span{font-family:Georgia,'Times New Roman',serif;font-style:italic;color:#a17a58}.offer-section{background:#183548;padding-top:94px;padding-bottom:94px}.offer-section:after{content:'Wärme.';position:absolute;font-size:230px;line-height:1;bottom:-32px;left:-30px;letter-spacing:-14px;color:#ffffff03;pointer-events:none}.offer-layout{z-index:1}.offer-copy h2{font-size:46px}.offer-copy h2>span{font-family:Georgia,'Times New Roman',serif;font-style:italic;font-weight:400;color:#ffb17b;font-size:1.1em}.form-card{background:#fdfcf9;border-radius:9px}.footer{background:#fdfcf9}.button-full{padding:15px 14px}.mobile-cta{background:#e46d2b}
@keyframes burner-flicker{0%,100%{transform:scaleX(1)}50%{transform:scaleX(.94)}}@keyframes heat-pulse{0%,100%{opacity:.45;transform:scaleX(.95)}50%{opacity:1;transform:scaleX(1.08)}}
@media(min-width:1550px){.home-hero,.home-inner{min-height:760px}.home-inner{padding-top:65px}.home-copy h1{font-size:82px}.home-subtitle{font-size:20px;margin-top:28px}.home-description{font-size:14px;max-width:420px}.home-actions{margin-top:27px}.home-actions .button{font-size:13px}.home-checks{font-size:10px}.potential-stamp{top:65px;right:30px;width:180px;height:180px}.potential-stamp strong{font-size:67px}.product-teaser{bottom:117px}}
@media(max-width:1150px){.home-hero{margin:13px 13px 0}.home-inner{min-height:665px;padding-top:49px}.home-copy{max-width:550px}.home-copy h1{font-size:62px;letter-spacing:-3px}.home-copy h1 em{letter-spacing:-3px}.home-description{max-width:340px;font-size:12px}.home-subtitle{font-size:17px}.potential-stamp{right:3px;width:138px;height:138px;top:42px}.potential-stamp>strong{font-size:50px}.potential-stamp>span{font-size:7px}.product-teaser{right:0;max-width:285px;gap:13px;padding:14px 16px 14px 13px;bottom:99px}.product-teaser>img{width:88px;height:77px}.product-teaser strong{font-size:17px}.product-teaser small{font-size:6px}.home-shade{background:linear-gradient(90deg,#10293af5 0%,#10293acd 37%,#10293a55 73%,#10293a10 100%),linear-gradient(0deg,#0a2036bb,transparent 36%)}.section-intro h2{font-size:38px}.principle-layout{gap:42px}.savings-layout{gap:48px}.savings-story h2{font-size:36px}.savings-playground{padding:28px}.calculated-result output{font-size:80px;min-width:157px}.calculated-result>div{gap:15px}.offer-copy h2{font-size:40px}}
@media(max-width:900px){.header-inner{height:77px}.home-hero{min-height:670px}.home-copy h1{font-size:55px;letter-spacing:-2.7px}.home-copy h1 em{letter-spacing:-2.7px}.home-copy{max-width:470px}.home-description{font-size:12px;max-width:320px}.home-actions{gap:18px}.home-actions .button{font-size:11px;padding:15px 17px;gap:14px}.home-play{font-size:10px;gap:7px}.home-play>span{width:26px;height:26px;font-size:16px}.potential-stamp{top:42px;right:0;width:114px;height:114px}.potential-stamp:before{inset:6px}.potential-stamp>strong{font-size:42px;margin-top:2px;margin-bottom:2px}.potential-stamp small{font-size:20px}.potential-stamp>span{font-size:5.5px;letter-spacing:1.3px}.potential-stamp>span:first-child{font-size:7px;letter-spacing:2px}.potential-stamp .icon{display:none}.product-teaser{padding:12px;gap:12px;bottom:94px;max-width:246px}.product-teaser>img{width:75px;height:65px}.product-teaser strong{font-size:15px}.product-teaser small{font-size:5px;letter-spacing:1px}.product-teaser>span>span{font-size:8px;gap:10px;margin-top:7px}.home-scroll{font-size:7px}.home-scroll>span:last-child{font-size:8px}.section{padding-block:75px}.section-intro h2{font-size:32px}.section-intro>p{font-size:12px;max-width:260px}.principle-layout{gap:29px}.original-module{gap:14px;margin-bottom:23px;padding-bottom:21px}.original-module img{width:90px;height:70px}.original-module strong{font-size:15px}.original-module>div>span{font-size:6px}.principle-copy h3{font-size:23px}.phase-button{font-size:9px;padding:12px 6px}.heat-demo{padding:20px 17px 15px}.demo-top{font-size:7px}.advantages .section-intro h2{font-size:30px}.advantage-grid h3{font-size:19px}.advantage-grid p{font-size:12px}.feature-number{font-size:31px}.savings-experience{padding-block:78px}.savings-layout{gap:30px;grid-template-columns:.9fr 1.1fr}.savings-story h2{font-size:31px}.savings-story>.eyebrow{font-size:7px}.savings-story>p:not(.eyebrow){font-size:12px}.savings-story .text-link{font-size:11px}.savings-playground{padding:23px}.range-heading{gap:13px}.range-heading label{font-size:10px;max-width:110px}.range-heading output{font-size:21px}.range-heading output span{font-size:10px}.scenario-label{font-size:9px}.calculated-result output{font-size:65px;min-width:125px;letter-spacing:-5px}.calculated-result>div>span{font-size:10px}.result-kicker{font-size:6px}.calculated-result>div{gap:13px}.oil-comparison>div:not(.oil-track){font-size:8px}.oil-comparison strong{font-size:9px}.calculation-note{font-size:8px}.faq-section{padding-top:10px;padding-bottom:75px}.offer-copy h2{font-size:33px}}
@media(max-width:670px){.header-inner{height:74px}.topbar{font-size:8px}.home-hero{margin:8px 8px 0;border-radius:8px;min-height:780px;scroll-margin-top:90px}.home-inner{width:calc(100% - 40px);min-height:780px;padding-top:36px;padding-bottom:220px}.home-backdrop{object-position:63% 50%}.home-shade{background:linear-gradient(180deg,#102c42ef 0%,#102c42d9 36%,#102c4280 66%,#102c42a8 100%),linear-gradient(90deg,#102c4260,transparent)}.home-eyebrow{font-size:7px;letter-spacing:1.75px;gap:9px;margin-bottom:23px}.home-copy h1{font-size:clamp(34px,10.9vw,48px);letter-spacing:-2.1px;line-height:1.12}.home-copy h1 em{font-size:1.19em;letter-spacing:-2.2px;line-height:1.1}.home-subtitle{font-size:17px;line-height:1.65;margin-top:25px}.home-description{font-size:12px;line-height:1.9;max-width:320px;margin-top:16px}.home-actions{margin-top:25px;gap:15px}.home-actions .button{font-size:10px;padding:15px 13px;gap:10px}.home-actions .button .icon{height:15px;width:15px}.home-play{font-size:9px;gap:7px;white-space:nowrap}.home-play>span{width:24px;height:24px;font-size:14px}.home-checks{gap:15px;font-size:8px;margin-top:17px}.potential-stamp{top:auto;bottom:89px;right:0;width:98px;height:98px}.potential-stamp>strong{font-size:36px}.potential-stamp small{font-size:17px}.potential-stamp>span{font-size:5px;letter-spacing:.9px}.potential-stamp>span:first-child{font-size:6px}.product-teaser{left:0;right:auto;bottom:91px;max-width:219px;gap:10px;padding:11px;box-shadow:0 6px 20px #061b3030;border-radius:6px}.product-teaser>img{width:70px;height:63px}.product-teaser small{font-size:5px;letter-spacing:.9px}.product-teaser strong{font-size:14px;line-height:1.35}.product-teaser>span>span{font-size:7px;margin-top:7px;gap:8px}.product-teaser .icon{width:12px;height:12px}.home-scroll{bottom:30px;font-size:6px;letter-spacing:.8px;gap:10px;padding-top:12px}.home-scroll>span:last-child{font-size:7px}.mood-caption{font-size:6px;bottom:4px;right:10px}.home-disclaimer{font-size:8px;text-align:left;padding:13px 0 15px}.strip-inner{padding-block:21px;gap:14px}.strip-inner>span{font-size:11px;padding-left:0;gap:12px}.section{padding-block:57px}.section-intro .eyebrow{font-size:7px;letter-spacing:1.3px;margin-bottom:15px}.section-intro h2{font-size:30px;letter-spacing:-1.3px;line-height:1.3}.section-intro h2>span{font-size:1.1em;letter-spacing:-1.2px}.section-intro>p{font-size:12px;max-width:100%;line-height:1.9;margin-top:20px}.section-intro{margin-bottom:27px}.principle-layout{grid-template-columns:1fr;gap:29px}.heat-demo{padding:20px 15px 15px}.demo-top{font-size:6.5px}.boiler-graphic{margin-top:2px}.phase-button{font-size:9px;padding:12px 6px}.phase-button span{font-size:8px}.diagram-note{font-size:7px}.original-module{padding-bottom:24px;margin-bottom:25px;gap:19px}.original-module img{width:113px;height:87px}.original-module strong{font-size:18px}.original-module>div>span{font-size:7px}.principle-copy h3{font-size:25px}.principle-copy>p{font-size:13px}.principle-copy .principle-result{font-size:12px}.principle-copy>.text-link{font-size:11px}.advantages{padding-block:53px}.advantages .section-intro h2{font-size:29px}.advantage-grid h3{font-size:20px}.advantage-grid p{font-size:12px}.feature-number{font-size:27px;right:0}.advantage-grid article{column-gap:18px}.savings-experience{padding-block:57px}.savings-layout{grid-template-columns:1fr;gap:31px}.savings-story>.eyebrow{font-size:7px;letter-spacing:1.4px;margin-bottom:19px}.savings-story h2{font-size:34px;line-height:1.23;letter-spacing:-1.5px}.savings-story h2 em{line-height:1.2;letter-spacing:-1.4px;margin-top:8px}.savings-story>p:not(.eyebrow){font-size:13px;max-width:100%;margin-top:23px}.savings-story .text-link{font-size:11px;margin-top:21px;max-width:100%}.savings-small-note{font-size:9px;line-height:1.9;max-width:100%;margin-top:14px}.savings-playground{padding:25px 23px;border-radius:9px}.range-heading label{font-size:11px;max-width:130px}.range-heading output{font-size:24px}.range-heading output span{font-size:11px}.range-limits{font-size:8px}.scenario-label{font-size:9px;margin-top:24px}.scenario-options button{padding:12px 5px;font-size:20px}.result-kicker{font-size:7px;letter-spacing:1.3px}.calculated-result{margin-top:24px;padding-top:23px}.calculated-result output{font-size:80px;letter-spacing:-5px;min-width:153px}.calculated-result>div>span{font-size:11px}.calculated-result>div{gap:16px}.oil-comparison>div:not(.oil-track){font-size:8px}.oil-comparison strong{font-size:9px}.calculation-note{font-size:8px}.faq-section{padding-top:9px;padding-bottom:57px}.faq-intro h2{font-size:31px}.offer-section{padding-block:57px}.offer-copy h2{font-size:34px}.offer-section:after{font-size:130px;letter-spacing:-8px}.form-card{padding:25px 22px}.savings-experience:after{font-size:290px;bottom:-100px}}
@media(max-width:370px){.home-inner{width:calc(100% - 34px);min-height:790px}.home-hero{min-height:790px}.home-copy h1{font-size:clamp(30px,10.6vw,40px);letter-spacing:-1.7px}.home-description{font-size:11px}.home-actions{gap:12px}.home-actions .button{font-size:9px;padding:14px 12px;gap:8px}.home-play{font-size:8px;gap:5px}.home-play>span{width:20px;height:20px;font-size:13px}.home-checks{font-size:7px;gap:12px}.product-teaser{max-width:186px;padding:9px;gap:8px;bottom:93px}.product-teaser>img{width:56px;height:54px}.product-teaser strong{font-size:12px}.product-teaser small{font-size:4.5px}.potential-stamp{width:85px;height:85px;bottom:92px}.potential-stamp>strong{font-size:30px}.potential-stamp small{font-size:15px}.potential-stamp>span{font-size:4px}.potential-stamp>span:first-child{font-size:5px}.home-scroll{font-size:5px}.home-scroll>span:last-child{font-size:6px}.section-intro h2{font-size:27px}.savings-story h2{font-size:31px}.savings-playground{padding:23px 18px}.range-heading output{font-size:22px}.calculated-result output{font-size:70px;min-width:135px}.calculated-result>div>span{font-size:10px}.original-module{gap:15px}.original-module strong{font-size:17px}}
@media(prefers-reduced-motion:reduce){.flame,.release-waves{animation:none!important}.oil-track span{transition:none!important}}

.calculated-result output.compact-number{font-size:80px;letter-spacing:-5px}
@media(max-width:900px) and (min-width:671px){.calculated-result output.compact-number{font-size:53px;letter-spacing:-3px}}
@media(max-width:670px){.calculated-result output.compact-number{font-size:64px;letter-spacing:-4px;min-width:0}}
@media(max-width:370px){.calculated-result output.compact-number{font-size:54px;letter-spacing:-3px;min-width:0}.calculated-result>div{gap:12px}}

@media(max-width:670px){.header .button-small{white-space:nowrap;font-size:9px;padding:10px 11px;gap:7px}.home-copy h1{font-size:clamp(31px,9.8vw,43px);letter-spacing:-1.8px}.home-description{font-size:12px}}
@media(max-width:370px){.home-copy h1{font-size:clamp(29px,9.8vw,36px);letter-spacing:-1.5px}}

/* Current reference quote, read from the server-side price feed. */
.oil-price-banner{background:#f4efe6;border-bottom:1px solid #e7e0d4;padding:17px 0 11px}.oil-price-inner{display:grid;grid-template-columns:1.1fr auto 1fr;align-items:center;gap:45px}.oil-price-label{display:flex;align-items:center;gap:14px}.oil-price-icon{display:grid;place-items:center;width:38px;height:38px;background:#fbf8f1;border:1px solid #e5dac8;color:#c17842;border-radius:50%;flex-shrink:0}.oil-price-icon .icon{width:17px;height:17px}.oil-price-label h2{font-size:13px;line-height:1.5;letter-spacing:0;font-weight:800}.oil-price-label p{font-size:10px;color:#7a807e;line-height:1.7;margin-top:3px}.oil-price-value{display:flex;align-items:baseline;gap:9px;flex-wrap:wrap;max-width:245px;justify-content:center}.oil-price-value strong{font-size:31px;line-height:1.1;letter-spacing:-1.3px;color:#bf6b36;font-weight:800;font-variant-numeric:tabular-nums}.oil-price-value>span{font-size:11px;color:#6e776e}.oil-price-value #oil-price-status{display:block;flex-basis:100%;text-align:center;font-size:8px;line-height:1.5;color:#7d8d6c;margin-top:-2px}.oil-price-source{text-align:right;font-size:9px;line-height:1.8;color:#7c8179}.oil-price-source a{font-size:9px;color:#9d704c;text-decoration:underline;text-underline-offset:3px}.oil-price-note{font-size:8px;color:#8e8d80;line-height:1.8;margin-top:10px;text-align:center}.oil-price-banner[data-state=stale] #oil-price-status{color:#aa6a36}.oil-price-banner[data-state=unavailable] #oil-price-status{color:#7b807c}.oil-price-banner[data-state=unavailable] .oil-price-value strong{color:#9c9b91}
@media(max-width:900px){.oil-price-inner{gap:22px;grid-template-columns:1fr auto 1fr}.oil-price-label{gap:10px}.oil-price-label h2{font-size:11px}.oil-price-label p{font-size:8px}.oil-price-value strong{font-size:27px}.oil-price-value>span{font-size:10px}.oil-price-source,.oil-price-source a{font-size:8px}}
@media(max-width:670px){.oil-price-banner{padding:13px 0 10px}.oil-price-inner{grid-template-columns:1fr auto;gap:8px 12px}.oil-price-label{gap:9px}.oil-price-icon{width:29px;height:29px}.oil-price-icon .icon{width:14px;height:14px}.oil-price-label h2{font-size:10px;line-height:1.5}.oil-price-label p{font-size:7px;margin-top:2px}.oil-price-value{gap:5px;max-width:125px;justify-content:flex-end}.oil-price-value strong{font-size:25px;letter-spacing:-1px}.oil-price-value>span{font-size:8px}.oil-price-value #oil-price-status{font-size:6.5px;text-align:right;margin-top:0}.oil-price-source{grid-column:1/-1;text-align:left;display:flex;flex-wrap:wrap;align-items:center;gap:3px 9px;font-size:7px;line-height:1.6;margin-top:2px}.oil-price-source a{font-size:7px;margin-left:auto}.oil-price-note{font-size:7px;text-align:left;margin-top:8px;line-height:1.7}}
@media(max-width:370px){.oil-price-label p{font-size:6px}.oil-price-label h2{font-size:9px}.oil-price-icon{display:none}.oil-price-value strong{font-size:23px}.oil-price-source{font-size:6.5px;gap:3px 7px}.oil-price-source a{font-size:6.5px}.oil-price-note{font-size:6.5px}}

@media(max-width:670px){.oil-price-label h2{font-size:11px}.oil-price-label p{font-size:8px}.oil-price-source,.oil-price-source a{font-size:8.5px;line-height:1.7}.oil-price-note{font-size:7.5px}.home-actions .button{white-space:nowrap}}
@media(max-width:370px){.oil-price-label h2{font-size:10px}.oil-price-label p{font-size:7.5px}.oil-price-source,.oil-price-source a{font-size:8px}.oil-price-note{font-size:7px}}

/* Stronger first impression: clearer benefit, warmer movement and a direct path from price to potential. */
.home-copy{animation:hero-copy-in .7s cubic-bezier(.22,.72,.2,1) both}
.potential-stamp{animation:hero-stamp-in .8s .18s cubic-bezier(.22,.72,.2,1) both,potential-stamp-float 3.4s 1.1s ease-in-out infinite}
.home-subtitle{color:#fff;max-width:500px}
.home-description{max-width:440px}
.home-actions .button{box-shadow:0 10px 26px #071c2f35}
.oil-price-links{display:flex;justify-content:flex-end;align-items:center;gap:14px;margin-top:3px}
.oil-price-links a:first-child{font-weight:800;color:#b75f2c;text-decoration:none}
.oil-price-links a:first-child:hover{color:#8f421d}
@keyframes hero-copy-in{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@keyframes hero-stamp-in{from{opacity:0;transform:rotate(2deg) scale(.88)}to{opacity:1;transform:rotate(9deg) scale(1)}}
@keyframes potential-stamp-float{0%,100%{translate:0 0}50%{translate:0 -10px}}
@media(max-width:900px){.home-copy{max-width:540px}.oil-price-links{gap:9px;flex-wrap:wrap}}
@media(max-width:670px){.home-copy h1{font-size:clamp(32px,10.2vw,45px)}.home-subtitle{font-size:15px;line-height:1.55}.home-description{max-width:335px}.oil-price-links{width:100%;justify-content:space-between;margin-top:2px}.oil-price-links a:first-child{font-size:8.5px}.home-actions{align-items:stretch;flex-direction:column;max-width:270px}.home-actions .button{width:100%}.home-play{justify-content:flex-start}}
@media(prefers-reduced-motion:reduce){.home-copy,.potential-stamp{animation:none}}
.payback-highlight{display:grid;gap:3px;max-width:480px;margin-top:18px;padding:13px 16px 14px;border:1px solid #ffb47b66;border-left:4px solid #f47a32;border-radius:7px;background:#102b3fcc;box-shadow:0 10px 30px #071a2929;backdrop-filter:blur(8px)}.payback-highlight>span,.payback-note>span{font-size:7px;font-weight:800;letter-spacing:1.65px;color:#ffb17c}.payback-highlight>strong{font-size:15px;line-height:1.45;color:#fff;letter-spacing:-.2px}.payback-highlight>small{font-size:9px;line-height:1.65;color:#c8d5dc}.payback-note{max-width:380px;margin-top:24px;padding:17px 18px 18px;border:1px solid #dfc7b3;border-left:4px solid #d17138;border-radius:7px;background:#f4ede3}.payback-note>span{display:block;color:#a85d32;margin-bottom:6px}.payback-note>strong{display:block;font-size:16px;line-height:1.45;color:#183448}.payback-note>p{font-size:9px!important;line-height:1.8!important;color:#73776f!important;margin-top:8px!important}.savings-story .payback-note+.text-link{margin-top:22px}@media(max-width:900px){.payback-highlight{max-width:420px;padding:11px 13px 12px;margin-top:15px}.payback-highlight>strong{font-size:13px}.payback-highlight>small{font-size:8px}.payback-note{padding:14px 15px}.payback-note>strong{font-size:14px}}@media(max-width:670px){.home-hero,.home-inner{min-height:875px}.home-inner{padding-bottom:220px}.payback-highlight{max-width:335px;margin-top:15px}.payback-highlight>span{font-size:6px}.payback-highlight>strong{font-size:13px}.payback-highlight>small{font-size:8px}.payback-note{max-width:100%;margin-top:21px}.payback-note>p{font-size:9px!important}}@media(max-width:370px){.home-hero,.home-inner{min-height:900px}.payback-highlight{padding:10px 11px}.payback-highlight>strong{font-size:12px}.payback-highlight>small{font-size:7px}}

.fuel-options{grid-template-columns:1fr}

/* Readable opening section: keep the visual hierarchy without using tiny copy. */
.home-eyebrow{font-size:11px;line-height:1.5}
.home-subtitle{font-size:20px;line-height:1.55}
.home-description{font-size:15px;line-height:1.75;color:#edf3f5}
.home-actions .button{font-size:13px}
.home-play{font-size:13px}
.home-checks{font-size:11px;line-height:1.55;color:#e0e9ed}
.home-scroll{font-size:10px;color:#eef4f6}
.home-scroll>span:last-child{font-size:10px}
.home-disclaimer{font-size:11px;line-height:1.65;color:#656d72}
.oil-price-label h2{font-size:14px}
.oil-price-label p{font-size:11px;color:#626b68}
.oil-price-value #oil-price-status{font-size:9px}
.oil-price-source,.oil-price-source a{font-size:10px}
.oil-price-note{font-size:9px;color:#74756d}

@media(max-width:900px){
  .home-eyebrow{font-size:10px}
  .home-subtitle{font-size:18px}
  .home-description{font-size:14px}
  .home-actions .button,.home-play{font-size:12px}
  .home-checks{font-size:10px}
  .oil-price-label h2{font-size:13px}
  .oil-price-label p{font-size:10px}
  .oil-price-source,.oil-price-source a{font-size:9px}
}

@media(max-width:670px){
  .home-eyebrow{font-size:10px;letter-spacing:1.35px;line-height:1.55}
  .home-subtitle{font-size:17px;line-height:1.55}
  .home-description{font-size:14px;line-height:1.7;color:#f0f5f7}
  .home-actions .button,.home-play{font-size:12px}
  .home-checks{font-size:10px;gap:12px;flex-wrap:wrap}
  .home-scroll,.home-scroll>span:last-child{font-size:9px}
  .home-disclaimer{font-size:10px;line-height:1.6;padding-inline:12px}
  .oil-price-label h2{font-size:12px}
  .oil-price-label p{font-size:9px}
  .oil-price-value #oil-price-status{font-size:8px}
  .oil-price-source,.oil-price-source a{font-size:9px;line-height:1.65}
  .oil-price-note{font-size:8px;line-height:1.65}
}

@media(max-width:370px){
  .home-eyebrow{font-size:9px}
  .home-description{font-size:13.5px}
  .home-checks{font-size:9px}
  .oil-price-label h2{font-size:11px}
  .oil-price-label p,.oil-price-source,.oil-price-source a{font-size:8.5px}
  .oil-price-note{font-size:8px}
}

.field-help{font-size:10px;line-height:1.65;color:#7e898f;margin-top:7px}
.field-help.is-match{color:#52745e}
.field-help.is-warning{color:#a4552d;font-weight:700}
.field input[readonly]{background:#f0eee8;color:#425967;cursor:default}
.field input[readonly].is-autofilled{border-color:#8baa95;background:#edf4ed;color:#315843;font-weight:700}
.form-trap{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.button[aria-busy="true"]{opacity:.72;cursor:wait;pointer-events:none}
@media(max-width:670px){.field-help{font-size:9.5px;line-height:1.6}}
.project-credit{position:relative;overflow:hidden;display:grid;grid-template-columns:auto 34px;grid-template-areas:"label arrow" "brand arrow";align-items:center;column-gap:14px;width:max-content;margin:23px 0 0 auto;padding:12px 13px 12px 18px;border:1px solid #536df2;border-radius:999px;background:linear-gradient(135deg,#3349d8 0%,#176df0 100%);color:#dce5ff;box-shadow:0 10px 26px #284ed33d;transition:transform .22s,box-shadow .22s,filter .22s}.project-credit:before{content:'';position:absolute;inset:-30% 38% -40% -12%;background:radial-gradient(circle,#ffffff24 0,transparent 68%);pointer-events:none}.project-credit>span{position:relative;grid-area:label;font-size:7px;line-height:1.25;font-weight:700;letter-spacing:1.05px;text-transform:uppercase}.project-credit>strong{position:relative;grid-area:brand;font-size:14px;line-height:1.35;letter-spacing:-.2px;color:#fff}.project-credit .icon{position:relative;grid-area:arrow;width:34px;height:34px;padding:9px;border-radius:50%;background:#fff;color:#2f55de;box-shadow:0 4px 12px #0d2e8c40;transition:transform .22s}.project-credit:hover{transform:translateY(-3px);filter:saturate(1.12);box-shadow:0 14px 32px #284ed352}.project-credit:hover .icon{transform:translateX(2px)}@media(max-width:670px){.project-credit{margin:20px 0 0;padding:11px 12px 11px 16px;grid-template-columns:auto 32px;column-gap:12px}.project-credit>span{font-size:6.5px}.project-credit>strong{font-size:13px}.project-credit .icon{width:32px;height:32px;padding:8px}}