:root{color-scheme:light;font-family:Arial,Helvetica,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--paper:#f7f5ee;--surface:#fffef9;--ink:#293c30;--muted:#616759;--accent:#a74630;--line:#dcded2;--soft:#eceee3;--radius:16px;--heading:Georgia,'Times New Roman',serif;--button-ink:#fffaf3}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.65}body.hvac{--paper:#f5f7f8;--surface:#fff;--ink:#182f43;--muted:#556471;--accent:#f0bd59;--line:#d7e0e6;--soft:#e8eef2;--radius:10px;--heading:Arial,Helvetica,sans-serif;--button-ink:#182f43}a{color:inherit;text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}img,svg{max-width:100%}img{display:block;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-family:var(--heading);font-weight:400;line-height:1.1;letter-spacing:-.035em}h1{font-size:clamp(48px,5.2vw,76px)}h2{font-size:clamp(32px,3.5vw,45px)}h3{font-size:26px;letter-spacing:-.025em}.hvac h1,.hvac h2,.hvac h3{font-weight:600}.hvac h1{letter-spacing:-.055em}p{color:var(--muted)}.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}.icon{width:24px;height:24px;flex:none}.button,.text-link{display:inline-flex;align-items:center;justify-content:center;gap:14px;font-size:14px;font-weight:600;line-height:1.4;text-decoration:none;min-height:48px}.button{padding:15px 22px;background:var(--accent);color:var(--button-ink);border:1px solid transparent;border-radius:6px;transition:transform .18s,filter .18s}.button:hover{filter:brightness(.95);transform:translateY(-2px)}.button.secondary{background:transparent;border-color:var(--line);color:var(--ink)}.button.small{padding:10px 16px;min-height:44px}.text-link{justify-content:flex-start;border:0;background:none;padding:0;color:var(--ink)}.text-link:hover{text-decoration:underline}.text-link .icon,.button .icon{width:19px;height:19px}.eyebrow{font-size:11px;line-height:1.4;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--accent);margin-bottom:20px}.hvac .eyebrow{color:#49677d}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #a64d18;outline-offset:5px}input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #527891;outline-offset:2px}.skip-link{position:fixed;top:-100px;left:12px;z-index:50;padding:12px;background:var(--ink);color:white}.skip-link:focus{top:12px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:30px;min-height:112px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;line-height:1.1;font-family:var(--heading);font-size:17px}.brand strong{display:block;font-size:23px;font-weight:400;margin-top:4px}.hvac .brand{font-family:Arial,Helvetica,sans-serif}.hvac .brand strong{font-size:18px;font-weight:700}.brand-mark{width:44px;height:44px;border:1px solid var(--ink);border-radius:50%;display:grid;place-items:center}.hvac .brand-mark{border-radius:9px}.site-header nav{display:flex;align-items:center;gap:28px}.site-header nav>a:not(.button){font-size:13px;text-decoration:none;padding-block:12px}.site-header nav>a:hover{text-decoration:underline}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1.06fr 1fr;gap:42px;align-items:center;padding-block:72px 74px}.hero-copy{padding-block:12px}.hero h1{max-width:610px}.hero-intro{font-size:17px;line-height:1.8;margin-top:26px;max-width:510px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;margin-top:30px}.disclosure{font-size:11px;line-height:1.7;max-width:390px;margin-top:23px}.hero-art{position:relative}.hero-art img{width:100%;border-radius:var(--radius)}.hero-art figcaption{font-size:11px;color:var(--muted);letter-spacing:.07em;margin-top:15px;text-align:center}.local-ribbon{border-block:1px solid var(--line)}.local-ribbon .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-block:18px;font-size:11px;font-weight:600;letter-spacing:.07em;text-transform:uppercase}.local-ribbon span:first-child{color:var(--accent)}.hvac .local-ribbon span:first-child{color:var(--ink)}.local-ribbon span+span:before{content:'·';margin-right:32px;color:var(--muted)}.section{padding-block:85px}.section.compact{padding-top:25px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:45px;margin-bottom:36px}.section-heading>div{max-width:640px}.section-heading>p{max-width:365px;font-size:14px}.section-heading .eyebrow{margin-bottom:14px}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.hvac .service-grid{grid-template-columns:repeat(4,1fr)}.service-card{display:flex;flex-direction:column;padding:30px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;min-height:292px;transition:transform .18s,box-shadow .18s}.service-card:hover{transform:translateY(-4px);box-shadow:0 12px 35px #2539260c}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:35px}.card-top>.icon{width:34px;height:34px}.card-number{color:#717969;font-size:11px}.service-card h3{font-size:25px;margin-bottom:13px}.hvac .service-card h3{font-size:21px}.service-card p{font-size:13px;line-height:1.7;margin-bottom:22px}.card-link{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:700;margin-top:auto}.card-link .icon{width:18px;height:18px}.guide-feature{background:var(--ink);color:var(--paper);border-radius:var(--radius);display:grid;grid-template-columns:.7fr 1.3fr;overflow:hidden}.guide-feature>div:last-child{padding:48px 50px}.guide-feature h2{font-size:42px;max-width:650px}.guide-feature p{color:#dce4d8;margin-top:18px;font-size:14px;max-width:520px}.guide-feature .eyebrow{color:#dec4ac;margin-top:0}.guide-feature .text-link{color:var(--paper);margin-top:20px}.guide-visual{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;border-right:1px solid #ffffff25;background:repeating-linear-gradient(0deg,transparent,transparent 31px,#ffffff06 32px),repeating-linear-gradient(90deg,transparent,transparent 31px,#ffffff06 32px)}.guide-visual .icon{width:100px;height:100px;stroke-width:.8;color:#dac9ad}.guide-visual span{font-size:10px;letter-spacing:.2em}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:45px}.steps>div>span{display:block;font-size:12px;border-top:1px solid var(--line);padding-top:20px;margin-bottom:25px;color:var(--accent)}.hvac .steps>div>span{color:#49677d}.steps h3{font-size:25px;max-width:250px;margin-bottom:14px}.steps p{font-size:14px}.local-section{background:var(--soft);padding-block:68px}.local-section .wrap{max-width:950px;text-align:center}.local-section p:not(.eyebrow){max-width:650px;margin:20px auto 25px;font-size:15px}.area-pills{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:10px;padding:0;margin:26px 0}.area-pills li{border:1px solid var(--line);border-radius:30px;font-size:12px;padding:8px 16px;background:var(--paper)}.closing-cta{display:flex;align-items:center;justify-content:space-between;gap:40px;padding-block:76px}.closing-cta h2{font-size:38px;margin-bottom:15px}.closing-cta p:not(.eyebrow){font-size:13px;max-width:570px}.closing-cta .eyebrow{margin-bottom:14px}.closing-cta>.button{flex:none}.site-footer{border-top:1px solid var(--line);padding-top:48px;background:var(--surface)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:70px}.footer-grid>div{max-width:570px}.footer-brand{font-family:var(--heading);font-size:25px;text-decoration:none;line-height:1.25}.footer-grid p{font-size:12px;margin-top:18px}.email-link{font-size:13px;display:inline-block;margin-top:18px;overflow-wrap:anywhere}.footer-grid nav{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;align-content:start}.footer-grid nav a{font-size:12px;padding-block:6px;text-decoration:none}.footer-grid nav a:hover{text-decoration:underline}.footer-bottom{border-top:1px solid var(--line);margin-top:38px;padding-block:20px;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--muted)}.breadcrumbs{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;font-size:11px;color:var(--muted)}.page-intro{padding-block:56px 60px;max-width:1000px}.page-intro>p:not(.eyebrow):not(.disclosure){font-size:19px;max-width:780px;margin-top:28px}.page-intro h1{font-size:clamp(42px,5vw,65px)}.page-intro .area-pills{justify-content:flex-start}.article-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.9fr);gap:80px;padding-bottom:45px}.article-section{margin-bottom:38px}.article-section h2{font-size:30px;margin-bottom:16px}.article-section>p{font-size:16px;line-height:1.9}.article-aside{min-width:0}.planning-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;position:sticky;top:24px}.planning-card>.icon{width:35px;height:35px;margin-bottom:20px}.planning-card h2{font-size:30px;margin-bottom:24px}.planning-card .button{width:100%;margin-top:12px}.planning-card>p{font-size:14px}.checklist{padding:0;list-style:none;margin:0 0 20px}.checklist li{display:flex;align-items:start;gap:12px;font-size:13px;line-height:1.6;margin:15px 0}.checklist .icon{width:18px;height:18px;margin-top:2px}.scope-aside{font-size:12px;margin-top:24px}.scope-note{border-left:3px solid var(--accent);background:var(--soft);padding:25px 30px;margin-block:35px}.scope-note h2{font-family:Arial,Helvetica,sans-serif;font-weight:600;letter-spacing:0;font-size:16px;margin-bottom:8px}.scope-note p{font-size:14px;max-width:850px}details{border-bottom:1px solid var(--line);padding-block:16px}summary{cursor:pointer;font-weight:600;line-height:1.6;padding:5px 0;font-size:15px}details p{margin-top:13px;font-size:14px}.sources{border-top:1px solid var(--line);padding-top:25px}.sources h2{font-family:Arial,Helvetica,sans-serif;font-size:16px;font-weight:600;letter-spacing:0}.sources ul{padding-left:20px;font-size:13px}.sources p{font-size:11px}.prose{max-width:850px;padding-bottom:60px}.form-shell{display:grid;grid-template-columns:.75fr 1.3fr;gap:65px;padding:50px 0 75px;align-items:start}.form-intro h2{font-size:36px}.form-intro p:not(.eyebrow){margin-top:22px;font-size:14px;overflow-wrap:anywhere}.form-shell form,.confirmation{padding:34px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);min-width:0}label{display:block;font-size:13px;font-weight:600;margin-bottom:20px}input,select,textarea{display:block;width:100%;margin-top:8px;padding:12px;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:4px;min-height:48px;font-size:15px}textarea{resize:vertical;line-height:1.6}.field-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field-help{font-size:11px;line-height:1.7;margin:0 0 20px}#message-help{margin-top:-8px}.consent{display:flex;align-items:start;gap:11px;font-size:11px;font-weight:400;line-height:1.7}.consent input{flex:none;width:18px;min-height:18px;height:18px;margin-top:2px;accent-color:var(--ink)}.honeypot{position:absolute;left:-10000px;height:1px;overflow:hidden}.form-shell form>.button{margin-top:15px}#form-status{font-size:13px;line-height:1.6;margin-top:15px}.confirmation h2{font-size:36px}.confirmation p{font-size:14px;margin:20px 0}.confirmation .reference{font-size:11px;overflow-wrap:anywhere}.confirmation pre{font:13px/1.6 Arial,Helvetica,sans-serif;white-space:pre-wrap;overflow-wrap:anywhere;padding:18px;background:var(--soft);border-radius:4px;max-height:400px;overflow:auto}.list-builder{padding-top:15px}.builder-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:35px}.task-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.task-choice{border:1px solid var(--line);border-radius:9px;display:flex;text-align:left;align-items:center;gap:10px;background:var(--surface);color:var(--ink);padding:18px;font-size:13px;min-height:75px}.task-choice .icon{opacity:0;width:18px;height:18px}.task-choice .task-plus{margin-left:auto}.task-choice[aria-pressed=true]{border-color:var(--ink);background:var(--soft)}.task-choice[aria-pressed=true] .icon{opacity:1}.task-choice[aria-pressed=true] .task-plus{opacity:0}.list-sheet{background:#fffdf4;border:1px solid #dfddcd;border-radius:4px;padding:30px;box-shadow:0 12px 24px #2f453807}.list-sheet h3{font-size:30px;display:flex;justify-content:space-between}.list-sheet h3 span{font:12px/28px Arial,Helvetica,sans-serif;text-align:center;width:28px;height:28px;border-radius:50%;background:var(--soft)}.list-sheet>p:not(.eyebrow){font-size:13px;margin-top:22px}.list-sheet ul{padding:0;list-style:none}.list-sheet li{display:flex;justify-content:space-between;gap:12px;align-items:center;border-bottom:1px solid #e6e2d4;font-size:13px;padding:8px 0}.remove-task{border:0;background:none;min-width:44px;min-height:44px;color:var(--accent);font-size:20px}.list-actions{display:flex;flex-direction:column;gap:5px;margin-top:22px}.list-actions .text-link{font-size:12px}.custom-label{margin-top:22px}.inline-input{display:flex;align-items:center;gap:10px}.inline-input .button{margin-top:8px;flex:none}[hidden]{display:none!important}
@media(min-width:1500px){.hero{padding-block:90px}.hero h1{font-size:80px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.site-header nav{gap:18px}.site-header nav>a:not(.button){font-size:12px}.hero{gap:24px;padding-block:58px}.hero h1{font-size:58px}.hvac .service-grid{grid-template-columns:repeat(2,1fr)}.article-layout{gap:45px}.form-shell{gap:35px}.service-card{padding:24px}.guide-feature h2{font-size:37px}.section-heading>p{max-width:320px}}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.site-header{min-height:88px;position:relative;flex-wrap:wrap;gap:0}.brand{font-size:14px}.brand strong{font-size:20px}.hvac .brand strong{font-size:15px}.brand-mark{width:36px;height:36px}.menu-toggle{display:flex;gap:14px;align-items:center;border:1px solid var(--line);background:transparent;color:var(--ink);padding:10px 12px;min-height:44px;border-radius:5px;font-size:12px}.site-header nav{display:none;width:100%;padding:15px 0 22px;flex-direction:column;align-items:stretch;gap:3px}.site-header nav.open{display:flex}.site-header nav>a:not(.button){font-size:14px;padding:12px 0}.site-header nav>.button{margin-top:8px}.hero{grid-template-columns:1fr;gap:30px;padding-top:45px;padding-bottom:35px}.hero h1{font-size:58px;max-width:630px}.hero-copy{padding:0}.hero-intro{font-size:16px;max-width:560px;margin-top:22px}.hero-art{max-width:520px;width:100%;margin:auto}.hero-art img{max-height:370px;object-fit:contain}.hero-art figcaption{margin-top:8px}.hero-actions{margin-top:24px}.disclosure{font-size:11px;margin-top:20px}.local-ribbon .wrap{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;font-size:9px}.local-ribbon span+span:before{display:none}.section{padding-block:55px}.section-heading{align-items:start;flex-direction:column;gap:20px;margin-bottom:28px}.section-heading>p{max-width:550px}.service-grid{grid-template-columns:1fr}.service-card{min-height:220px}.card-top{margin-bottom:23px}.service-card h3{font-size:28px}.hvac .service-card h3{font-size:22px}.guide-feature{grid-template-columns:1fr}.guide-visual{display:none}.guide-feature>div:last-child{padding:32px}.guide-feature h2{font-size:36px}.steps{gap:25px}.steps h3{font-size:22px}.steps p{font-size:12px}.local-section{padding-block:48px}.closing-cta{padding-block:55px;flex-direction:column;align-items:start;gap:25px}.closing-cta h2{font-size:35px}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-grid nav{max-width:450px}.footer-bottom{flex-direction:column;gap:8px}.page-intro{padding-block:38px 40px}.page-intro h1{font-size:48px}.page-intro>p:not(.eyebrow):not(.disclosure){font-size:17px;margin-top:22px}.article-layout{grid-template-columns:1fr;gap:24px}.article-aside{order:0}.planning-card{position:static;padding:24px}.planning-card h2{font-size:25px;margin-bottom:15px}.planning-card>.icon{float:right;margin:0}.checklist{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}.checklist li{margin:0}.planning-card .button{width:auto}.scope-aside{font-size:11px}.article-section h2{font-size:28px}.article-section>p{font-size:15px}.form-shell{grid-template-columns:1fr;gap:30px;padding-block:25px 45px}.form-shell form,.confirmation{padding:24px}.builder-grid{grid-template-columns:1fr}.list-builder .section-heading h2{font-size:34px}.list-sheet{padding:25px}.scope-note{padding:22px}.form-intro p:not(.eyebrow){max-width:650px}.page-intro .area-pills li{font-size:11px}}
@media(max-width:480px){h1,.hero h1{font-size:48px}h2{font-size:34px}.hero{padding-top:38px}.hero-actions{gap:12px}.hero-actions .button{width:100%}.hero-actions .text-link{min-height:44px;font-size:13px}.hero-art img{max-height:295px}.eyebrow{font-size:10px;margin-bottom:18px}.hvac .service-grid{grid-template-columns:1fr}.service-card{min-height:210px;padding:25px}.steps{grid-template-columns:1fr;gap:25px}.steps>div>span{margin-bottom:14px;padding-top:14px}.steps h3{max-width:none;margin-bottom:10px}.steps p{font-size:14px}.area-pills{gap:8px}.area-pills li{padding:7px 13px}.guide-feature>div:last-child{padding:28px}.guide-feature h2{font-size:33px}.page-intro h1{font-size:43px}.field-pair{grid-template-columns:1fr;gap:0}.form-shell form{padding:21px}.form-shell form>.button{width:100%}.task-grid{gap:8px}.task-choice{font-size:12px;gap:6px;padding:12px}.task-choice>.icon{width:15px;height:15px}.checklist{grid-template-columns:1fr}.list-actions{gap:2px}.brand-mark{width:34px;height:34px}.hvac .brand{font-size:12px}.hvac .brand strong{font-size:14px}.menu-toggle{gap:8px}.prose{padding-bottom:35px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{.site-header,.site-footer,.hero-actions,form,.menu-toggle,.list-actions,.remove-task,.closing-cta,.task-grid,.custom-label{display:none!important}.wrap{width:100%}.list-sheet,.planning-card{box-shadow:none;break-inside:avoid}.builder-grid,.article-layout{display:block}body{background:white;color:#111}.hero,.section{padding-block:20px}a{color:#111}.scope-note{break-inside:avoid}}

.preview-notice{padding:10px 20px;text-align:center;background:#fff0cb;color:#4c381a;font:12px/1.5 Arial,sans-serif;border-bottom:1px solid #e9d6a5}