*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#19201f;background:#fff;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}:focus-visible{outline:3px solid #b36c00;outline-offset:5px}img{max-width:100%;display:block}.wrap{width:min(1240px,calc(100% - 80px));margin:auto}.preview{padding:7px 20px;text-align:center;background:#f6cc69;color:#272313;font-size:13px}.header{background:#111918;color:white}.nav{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{font-size:24px;font-weight:700;letter-spacing:.06em;display:flex;align-items:center;gap:12px}.logo-mark{width:29px;height:29px;border:2px solid #f6c45c;border-radius:50%;box-shadow:inset 0 0 0 6px #111918,inset 0 0 0 8px #f6c45c}.nav-links{display:flex;gap:30px;font-size:14px}.nav-links 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.eyebrow{color:#b3c3b9}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;margin-top:48px}.step{border-top:1px solid #b5beb8;padding-top:22px}.step span{font-size:14px;color:#67796e}.step h3{font-size:23px;font-weight:500}.step p{color:#69766d}.faq{margin-top:40px}.faq details{border-top:1px solid #d3dbd5;padding:23px 0}.faq details:last-child{border-bottom:1px solid #d3dbd5}.faq summary{cursor:pointer;font-size:21px;line-height:1.4}.faq p{color:#617066;max-width:850px}.journal-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}.article-link{display:block;border-top:2px solid #192c22;padding:24px 0}.article-link h3{font-size:26px;font-weight:500;line-height:1.3}.article-link span{font-size:14px;color:#68776c}.article-link:hover h3{text-decoration:underline;text-underline-offset:6px}.calc-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:70px}.calc-fields{display:grid;grid-template-columns:1fr 1fr;gap:24px}.field label{display:block;font-size:15px;margin-bottom:9px}.field input,.field select{width:100%;padding:13px;border:1px solid #a4b2a7;background:#fff;border-radius:3px;min-height:50px}.field small{display:block;color:#5e6e63;margin-top:8px;font-size:13px}.result{padding:35px;background:#172822;color:#fff;align-self:start}.result output{display:block;font-size:72px;font-weight:400;line-height:1.2;letter-spacing:-.05em;color:#f6c45c;margin:20px 0}.result p{color:#ccd8d0}.result .unit{font-size:28px}.calc-error{color:#a1301c;margin:20px 0}.form-actions{margin-top:28px;display:flex;gap:16px;flex-wrap:wrap}.specs{width:100%;border-collapse:collapse;font-size:16px}.specs th,.specs td{text-align:left;padding:18px 12px;border-bottom:1px solid #d7dfd8;vertical-align:top}.specs th{font-weight:500;width:40%}.chart{height:240px;display:flex;gap:12px;align-items:end;border-bottom:1px solid #aabaac;margin:25px 0 45px;padding:0 10px}.bar{flex:1;position:relative;background:#f6c45c;min-width:0}.bar small{position:absolute;bottom:-30px;left:50%;transform:translateX(-50%);font-size:12px;color:#c8d6cc}.bar:hover{background:#ffdc90}.chart-label{font-size:14px;color:#d0ddd3}.fine{font-size:14px;color:#647368}.mobile-menu{display:none}.menu-button{background:none;border:1px solid #65786c;color:white;padding:10px 14px;border-radius:3px;cursor:pointer}button[disabled]{opacity:.6;cursor:not-allowed}
@media(max-width:900px){.wrap{width:calc(100% - 40px)}.nav{min-height:80px}.nav-links{gap:18px}.nav-note{display:none}.hero{min-height:680px}.hero h1{max-width:550px}.hero:after{background:linear-gradient(90deg,rgba(6,14,14,.87),rgba(6,14,14,.42) 80%)}.section{padding:70px 0}.section-top{align-items:start;flex-direction:column;gap:20px}.calc-layout{gap:35px}.solution{padding:28px}.steps{gap:22px}}
@media(max-width:600px){.wrap{width:calc(100% - 36px)}.preview{font-size:12px}.nav{min-height:76px;flex-wrap:wrap;padding:15px 0}.nav-links{display:none;width:100%;flex-direction:column;gap:0}.nav-links.open{display:flex}.nav-links a{padding:12px 0}.mobile-menu{display:block}.logo{font-size:21px}.hero{min-height:690px;align-items:start}.hero>img{object-position:65% center}.hero-content{padding:50px 0 100px}.hero h1{font-size:44px;max-width:360px}.hero p.lead{font-size:17px;max-width:340px}.hero:after{background:linear-gradient(180deg,rgba(6,14,14,.83),rgba(6,14,14,.66) 65%,rgba(6,14,14,.20))}.hero-actions{gap:14px}.hero-actions .btn{width:100%}.image-caption{right:18px;bottom:10px}.eyebrow{font-size:12px}.facts{grid-template-columns:1fr}.facts>div,.facts>div:first-child{padding:18px 0;border:0;border-bottom:1px solid #dce1dd}.facts>div:last-child{border:0}.solutions,.steps,.journal-grid,.calc-layout{grid-template-columns:1fr}.section{padding:60px 0}.section-top{margin-bottom:30px}.solution{padding:28px}.solution h3{font-size:29px}.index{margin-bottom:24px}.footer .wrap{flex-direction:column}.subhero{padding:45px 0}.subhero .lead{font-size:18px}.calc-fields{gap:18px}.result output{font-size:64px}.steps{gap:20px}.chart{gap:7px;padding:0}.bar small{font-size:12px}.specs th,.specs td{padding:15px 7px;font-size:15px}.faq summary{font-size:19px}.content p,.content li{font-size:17px}.form-actions .btn{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Editorial journal */
.journal-feature{display:block;background:#172822;color:#fff;padding:clamp(28px,5vw,64px);border-radius:4px;max-width:100%;margin-bottom:42px}.journal-feature .eyebrow{display:block;color:#f6c45c;font-size:14px}.journal-feature h2{max-width:780px}.journal-feature p{max-width:660px;font-size:19px;color:#d0dcd4;margin:24px 0}.journal-feature:hover .btn{background:#ffda86}.topic-nav{display:flex;gap:12px;flex-wrap:wrap;border-bottom:1px solid #d7dfd8;padding-bottom:26px}.topic-nav a{padding:10px 18px;border:1px solid #a8b8ad;border-radius:30px;font-size:15px}.topic-nav a:hover{background:#f1f4f1}.topic-section{padding-top:64px;scroll-margin-top:24px}.topic-section h2{font-size:32px;margin-bottom:28px}.read-link{font-size:15px;font-weight:600}.article-link p{color:#5b685f}.article-header{padding-top:54px;padding-bottom:48px}.article-header h1{max-width:1000px;font-size:clamp(36px,4.8vw,64px);line-height:1.12;letter-spacing:-.035em;font-weight:500;margin:0 0 24px;overflow-wrap:break-word}.article-header .lead{max-width:800px;font-size:21px;line-height:1.6;color:#56645b}.article-header .eyebrow{font-size:14px}.article-meta{color:#5b685f;font-size:14px}.article-layout{display:grid;grid-template-columns:250px minmax(0,800px);gap:65px;align-items:start;padding-bottom:30px}.article-toc{position:sticky;top:24px;border-top:2px solid #172822;padding-top:18px;font-size:15px}.article-toc span{font-weight:600}.article-toc ol{padding-left:20px}.article-toc li{margin:14px 0;color:#53665a}.article-toc a:hover{text-decoration:underline}.article-body{min-width:0;font-size:18px;line-height:1.8}.article-body section{scroll-margin-top:28px}.article-body h2{font-size:30px;line-height:1.25;font-weight:500;letter-spacing:-.02em;margin:46px 0 20px}.article-body p{margin:18px 0}.article-body a:not(.btn){text-decoration:underline;text-underline-offset:4px}.article-body ul{padding-left:24px}.article-body li{margin:10px 0}.answer{padding:26px 30px;background:#f1f4f1;border-left:3px solid #172822}.answer strong{font-size:14px;text-transform:uppercase;letter-spacing:.1em}.answer p{margin-bottom:0}.table-scroll{overflow-x:auto;max-width:100%}.article-body .specs{font-size:16px;line-height:1.6}.article-body .specs th{width:33%}.article-cta{background:#172822;color:white;padding:30px;margin:40px 0}.article-cta h2{margin:0;font-size:28px}.article-cta p{color:#d2dfd5}.article-cta .btn{white-space:normal;text-align:center}.article-cta .text-link{display:block;margin-top:20px;font-size:16px}.editorial-status{font-size:14px;line-height:1.6;margin-top:35px}.related{border-top:1px solid #d7dfd8}.related h2{margin-bottom:36px}.journal-hub{padding-top:48px}.breadcrumbs a{text-decoration:underline;text-underline-offset:3px}
@media(max-width:1000px){.article-layout{grid-template-columns:210px minmax(0,1fr);gap:35px}}
@media(max-width:760px){.article-layout{grid-template-columns:1fr;gap:24px}.article-toc{position:static}.article-toc ol{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}.article-header{padding-top:36px;padding-bottom:28px}.article-header .lead{font-size:18px}.article-body{font-size:17px}.article-body h2{font-size:27px}.answer,.article-cta{padding:22px}.topic-section{padding-top:42px}}
@media(max-width:420px){.article-toc ol{display:block}.article-header h1{font-size:36px}.topic-nav a{width:100%}.article-body .specs th,.article-body .specs td{font-size:14px;padding:12px 6px}}
.article-sources{margin-top:46px;padding-top:8px;border-top:1px solid #cfd9d1}.article-sources h2{font-size:25px}.article-sources ol{padding-left:22px}.article-sources li{margin:12px 0;font-size:16px}.article-sources p{font-size:14px;color:#647368}
/* Product choice and request preparation */
.offer-hero{background:#f1f4f1;padding:44px 0 30px}.offer-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:65px;align-items:start}.offer-layout h1{font-size:clamp(38px,4.8vw,66px);line-height:1.1;letter-spacing:-.04em;font-weight:500;margin:0 0 25px}.offer-layout .lead{font-size:20px;max-width:600px;color:#53645a}.offer-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}.offer-facts span{display:block;font-size:14px;color:#5b6d61}.offer-facts strong{display:block;font-size:17px;line-height:1.4;font-weight:500;margin-top:7px}.offer-summary{background:#172822;color:white;padding:34px}.offer-summary .eyebrow{color:#f6c45c;font-size:14px}.offer-summary h2{font-size:33px;line-height:1.2;font-weight:500;margin:0}.offer-summary p,.offer-summary li{color:#d1dfd5}.offer-summary ul{padding-left:20px}.offer-summary .btn{width:100%;margin:15px 0}.offer-summary .text-link{display:block;font-size:15px}.offer-note{font-size:14px;color:#596c5e;margin-top:28px}.delivery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.delivery-grid h3{font-size:23px;font-weight:500}.delivery-grid p{color:#596b5e}.request-callout{display:flex;justify-content:space-between;align-items:center;gap:35px;background:#172822;color:white;padding:36px;margin:50px 0 25px}.request-callout h2{font-size:30px}.request-callout p{color:#cbd9cf;max-width:580px}.request-callout .btn{flex-shrink:0}.request-section{max-width:920px}.request-intro h1{font-size:clamp(36px,4.5vw,58px);line-height:1.1;font-weight:500;letter-spacing:-.03em}.request-intro .lead{font-size:20px;color:#5b6b61}.request-section fieldset{border:0;border-top:1px solid #c2cec5;padding:26px 0 35px;margin:30px 0 0}.request-section legend{font-size:23px;padding:0 18px 0 0;line-height:1.4}.appliance-options{display:grid;grid-template-columns:1fr 1fr;gap:14px 25px}.appliance-options label{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid #c9d5cc;cursor:pointer}.appliance-options input{width:20px;height:20px;accent-color:#172822;flex-shrink:0}.request-result{margin-top:48px;padding:30px;background:#f1f4f1}.request-result[hidden]{display:none}.request-result h2{font-size:30px;line-height:1.3;margin-bottom:25px}.request-result label{display:block;font-size:15px;margin:15px 0}.request-result textarea{width:100%;resize:vertical;min-height:330px;padding:18px;font:16px/1.7 Arial,sans-serif;border:1px solid #a4b2a7;border-radius:3px;background:white}.request-help{display:flex;gap:25px;flex-wrap:wrap;margin-top:36px}.request-section select{max-width:100%}#details{scroll-margin-top:20px}
@media(max-width:900px){.offer-layout{gap:30px}.offer-facts{grid-template-columns:1fr}.offer-facts>div{border-bottom:1px solid #ccd6cf;padding-bottom:12px}.request-callout{align-items:start;flex-direction:column}.offer-summary{padding:28px}}
@media(max-width:600px){.offer-layout,.delivery-grid{grid-template-columns:1fr}.offer-facts{grid-template-columns:1fr 1fr}.offer-hero{padding-top:32px}.offer-layout .lead,.request-intro .lead{font-size:18px}.request-callout,.request-result{padding:24px}.request-section .calc-fields,.appliance-options{grid-template-columns:1fr}.request-section legend{font-size:21px}.request-section .form-actions .btn,.request-callout .btn{width:100%}}

/* Final selector and benchmark systems */
.benchmark-section{background:#0d1715;color:#fff;scroll-margin-top:20px}.benchmark-head{display:grid;grid-template-columns:1.1fr .9fr;align-items:end;gap:70px;margin-bottom:48px}.benchmark-head .eyebrow{color:#f6c45c}.benchmark-head h2{font-size:clamp(38px,4vw,60px);font-weight:400;line-height:1.05;letter-spacing:-.04em}.benchmark-head>div:last-child p{font-size:18px;line-height:1.6;color:#c7d4cc;margin:0 0 12px}.benchmark-head>div:last-child span{font-size:13px;color:#91a59a}.benchmark-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.benchmark-card{position:relative;display:flex;flex-direction:column;min-width:0;padding:28px 24px;border:1px solid #3e534a;background:#15241f;min-height:545px}.benchmark-card:hover{border-color:#d6aa55;transform:translateY(-3px);transition:transform .2s ease,border-color .2s ease}.benchmark-main{background:#20362e;border-color:#d6aa55}.benchmark-badge{position:absolute;top:0;right:0;padding:7px 10px;background:#f6c45c;color:#18211d;font-size:11px;font-weight:700}.benchmark-power{display:flex;align-items:baseline;gap:8px;margin:6px 0 4px}.benchmark-power strong{font-size:54px;font-weight:400;line-height:1;color:#ffe2a6;letter-spacing:-.055em}.benchmark-power span{font-size:18px;color:#e7d09f}.benchmark-use{min-height:44px;margin:0;color:#9db0a5;font-size:13px;line-height:1.45}.benchmark-card h3{font-size:22px;line-height:1.2;font-weight:500;margin:22px 0 14px}.benchmark-card ul{padding:0;margin:0 0 25px;list-style:none}.benchmark-card li{font-size:14px;line-height:1.5;color:#c7d4cc;border-top:1px solid #385047;padding:10px 0}.benchmark-price{margin-top:auto;padding-top:17px;border-top:1px solid #5d7269}.benchmark-price span{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#91a59a}.benchmark-price strong{display:block;font-size:23px;font-weight:500;color:#fff;margin-top:4px}.benchmark-link{display:flex;justify-content:space-between;gap:12px;margin-top:18px;padding-bottom:5px;border-bottom:1px solid #d8b363;color:#f5d38c;font-size:14px}.benchmark-note{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px;margin-top:24px;padding:24px 26px;border:1px solid #3e534a}.benchmark-note strong{font-size:18px;white-space:nowrap}.benchmark-note p{font-size:13px;line-height:1.55;color:#aebfb5;margin:0}.benchmark-note .btn{white-space:nowrap}
@media(max-width:1100px){.benchmark-grid{grid-template-columns:1fr 1fr}.benchmark-card{min-height:480px}.benchmark-note{grid-template-columns:1fr}.benchmark-note strong{white-space:normal}.benchmark-note .btn{justify-self:start}.benchmark-head{grid-template-columns:1fr;gap:22px}}
@media(max-width:600px){.benchmark-grid{grid-template-columns:1fr}.benchmark-card{min-height:0}.benchmark-head h2{font-size:38px}.benchmark-head>div:last-child p{font-size:16px}.benchmark-note{padding:22px 20px}.benchmark-note .btn{width:100%;white-space:normal}.benchmark-power strong{font-size:48px}}