:root{--ink:#243e36;--green:#264e40;--paper:#f8f5ee;--orange:#bb5b35;--line:#deded0}*{box-sizing:border-box}body{margin:0;font:16px system-ui,sans-serif;color:var(--ink);background:var(--paper)}a{color:inherit}header,main,footer{max-width:1180px;margin:auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{text-decoration:none;font-weight:800;line-height:1.15;display:flex;align-items:center;gap:12px}.mark{font-size:28px;border:2px solid var(--green);padding:4px 10px;border-radius:10px}.logo small{font-size:11px;display:block;letter-spacing:1.5px;font-weight:500}nav{display:flex;gap:24px;font-size:14px}nav a{text-decoration:none}.hero{padding:55px 0;display:grid;grid-template-columns:1.5fr 1fr;gap:45px;align-items:center}.eyebrow{color:var(--orange);text-transform:uppercase;font-size:12px;letter-spacing:2px;font-weight:750}h1{font-size:clamp(38px,5vw,66px);letter-spacing:-2.5px;line-height:1.07;margin:20px 0}h2{font-size:30px;letter-spacing:-1px}h3{font-size:21px}.lead{font-size:19px;line-height:1.6;color:#607069;max-width:690px}.btn,button{background:var(--green);color:white;border:0;border-radius:9px;padding:13px 19px;font:inherit;cursor:pointer;text-decoration:none;display:inline-block}.outline{background:transparent;color:var(--green);border:1px solid var(--green)}.scene{background:#e9ebdb;border-radius:150px 150px 18px 18px;padding:30px;aspect-ratio:1;display:grid;place-items:center}.scene svg{width:100%;height:auto}.search{display:flex;gap:10px;max-width:650px;margin:25px 0}input,select{font:inherit;padding:13px;border:1px solid #c6cfc2;border-radius:9px;background:white;color:var(--ink)}.search input{flex:1;min-width:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{display:block;background:white;border:1px solid var(--line);border-radius:15px;padding:25px;text-decoration:none;transition:transform .15s}.card:hover{transform:translateY(-4px);border-color:#7d9a7c}.card p{color:#63746b;line-height:1.6;font-size:14px}.num{font-size:13px;color:var(--orange);letter-spacing:1px}.arrow{display:block;margin-top:20px;font-size:13px;font-weight:700}.band{background:var(--green);color:white;border-radius:18px;padding:35px;margin:45px 0;display:flex;gap:30px;justify-content:space-between;align-items:center}.band .btn{background:#e6ecce;color:var(--green)}.band p{max-width:650px;line-height:1.6}.path{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:20px 0}.path div{border-top:2px solid #c9d3bd;padding-top:20px}.path p{font-size:14px;line-height:1.6}.tags{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.tags a{padding:10px 14px;background:#e9ebde;border-radius:30px;text-decoration:none;font-size:14px}.crumb{font-size:13px;color:#67776b;margin:20px 0}.article{display:grid;grid-template-columns:220px 1fr;gap:45px;margin-top:35px}.toc{align-self:start;position:sticky;top:20px;border-left:2px solid #c3ceb8;padding-left:18px}.toc a{display:block;text-decoration:none;font-size:14px;padding:9px 0}.body p,.body li{line-height:1.8}.body section{margin:0 0 40px;scroll-margin-top:20px}.notice{background:#eee9da;border-left:4px solid var(--orange);padding:18px 22px;border-radius:0 8px 8px 0;font-size:14px;line-height:1.7}.tablewrap{overflow:auto}table{border-collapse:collapse;width:100%;background:white;font-size:14px}th,td{padding:16px;text-align:left;border-bottom:1px solid var(--line);line-height:1.5}th{background:#e5eada}.checklist{background:white;border:1px solid var(--line);border-radius:12px;padding:24px}.checklist label{display:flex;gap:12px;align-items:flex-start;padding:10px 0;line-height:1.5}.checklist input{margin-top:5px;width:18px;height:18px;accent-color:var(--green)}.budget{display:flex;flex-wrap:wrap;gap:12px;align-items:end}.budget label{font-size:13px}.budget input{display:block;width:145px;margin-top:5px}.budget output{background:#e5ebd3;padding:15px;border-radius:10px;font-size:22px;font-weight:700}.ad{padding:25px;border:1px dashed #c9cebe;border-radius:10px;text-align:center;font-size:11px;letter-spacing:2px;color:#7c8573;margin:30px 0}.muted{font-size:13px;color:#67776b;line-height:1.6}footer{border-top:1px solid var(--line);font-size:13px;line-height:1.7;margin-top:40px}.foot{display:flex;justify-content:space-between;gap:20px}.empty{padding:20px;background:#ecefdf;border-radius:12px}details{padding:18px 0;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:600}.extras{margin-top:40px}section{scroll-margin-top:20px}@media(max-width:780px){header{align-items:flex-start}nav{gap:12px;flex-wrap:wrap;justify-content:flex-end}nav a{font-size:12px}.hero{grid-template-columns:1fr;padding:25px 0}.scene{display:none}.grid{grid-template-columns:1fr 1fr}.article{grid-template-columns:1fr;gap:20px}.toc{position:static;display:flex;flex-wrap:wrap;gap:15px}.path{grid-template-columns:1fr 1fr}.band{flex-direction:column;align-items:start}.foot{flex-direction:column}h1{letter-spacing:-1.5px}}@media(max-width:480px){.grid{grid-template-columns:1fr}header,main,footer{padding:18px}.logo{font-size:13px}.logo small{font-size:9px}.mark{display:none}.search button{padding:12px}.card{padding:22px}}@media print{header,footer,.toc,.ad,.extras,.noprint{display:none}.article{display:block}body{background:white}main{max-width:none}.checklist{border:0}.body section{break-inside:avoid}h1{font-size:30px}}
[hidden]{display:none!important}

.lesson-figure{margin:26px 0}.lesson-figure img{display:block;width:100%;height:auto;border:1px solid #deded0;border-radius:16px}.lesson-figure figcaption{font-size:12px;line-height:1.6;color:#657368;margin-top:10px}.detailed-steps>li{padding-left:8px;margin-bottom:22px}.detailed-steps p{margin-top:5px} .body h3{margin-top:28px}@media print{.lesson-figure{break-inside:avoid}}

.figure-zoom{padding:0;background:none;color:var(--ink);width:100%;text-align:left}.figure-zoom span{font-size:12px;display:block;margin-top:8px;text-decoration:underline}#image-dialog{width:min(1100px,95vw);max-width:95vw;border:1px solid #ccd4c0;border-radius:16px;padding:20px;color:var(--ink)}#image-dialog::backdrop{background:#183c32bb}#large-image{width:100%;height:auto;margin-top:14px}#image-caption{font-size:13px;line-height:1.6}#close-image{float:right}@media print{.figure-zoom span{display:none}.figure-zoom{color:var(--ink)}}

.compare-budget{background:#edf0e2;padding:24px;border-radius:14px;margin-bottom:35px}.quote-comparison{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.quote-comparison label{font-size:13px}.quote-comparison input{width:100%;display:block;margin-top:7px}.quote-comparison output{grid-column:1/-1;font-size:17px;line-height:1.7;font-weight:600}@media(max-width:600px){.quote-comparison{grid-template-columns:1fr}}

/* Responsive containment: grid tracks must shrink below content width. */
.hero{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr)}
.article{grid-template-columns:220px minmax(0,1fr)}
.grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.path{grid-template-columns:repeat(4,minmax(0,1fr))}
.article>*,.hero>*,.grid>*,.path>*,.budget>*,.quote-comparison>*{min-width:0}
main,header,footer{width:100%;min-width:0}
.body,.tablewrap,form,figure,output{min-width:0;max-width:100%}
img,svg{max-width:100%}
.body a,.crumb,.notice,summary,output{overflow-wrap:anywhere}
input,select,textarea{max-width:100%;min-width:0}
.checklist input{flex:0 0 18px}
@media(max-width:780px){
 .hero,.article{grid-template-columns:minmax(0,1fr)}
 .grid,.path{grid-template-columns:repeat(2,minmax(0,1fr))}
 header{flex-direction:column;gap:18px}
 header nav{width:100%;justify-content:flex-start;gap:10px 18px}
 header nav a{font-size:13px;min-height:32px;display:flex;align-items:center}
 .toc{display:block;padding:16px;background:#edf0e2;border:0;border-radius:12px}
 .toc strong{display:block;margin-bottom:8px}
 .toc a{padding:8px 0;border-top:1px solid #d7dfca}
}
@media(max-width:600px){
 header,main,footer{padding:18px 16px}
 h1{font-size:clamp(30px,8.5vw,42px);line-height:1.14;letter-spacing:-1px;overflow-wrap:break-word}
 h2{font-size:26px;line-height:1.25}
 h3{font-size:20px;line-height:1.35}
 .lead{font-size:17px;line-height:1.65}
 .grid,.path{grid-template-columns:minmax(0,1fr)}
 .body p,.body li{line-height:1.75}
 .body ul,.body ol{padding-left:22px}
 .notice,.checklist,.compare-budget{padding:18px 16px}
 .band{padding:25px 20px;gap:16px}
 .card{padding:22px 20px}
 .budget{display:grid;grid-template-columns:minmax(0,1fr)}
 .budget input{width:100%}
 .budget output{font-size:20px;overflow-wrap:anywhere}
 .quote-comparison{grid-template-columns:minmax(0,1fr)}
 .tablewrap{overflow:visible}
 .tablewrap table,.tablewrap tbody,.tablewrap tr,.tablewrap td{display:block;width:100%}
 .tablewrap thead{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
 .tablewrap table{background:transparent}
 .tablewrap tr{background:white;border:1px solid var(--line);border-radius:12px;margin-bottom:16px;overflow:hidden}
 .tablewrap td{padding:13px 16px;border-bottom:1px solid #e5e8dc}
 .tablewrap td:last-child{border-bottom:0}
 .tablewrap td::before{content:attr(data-label);display:block;font-size:11px;font-weight:750;letter-spacing:.6px;text-transform:uppercase;color:#718069;margin-bottom:6px}
 .tablewrap td:first-child{background:#e8edda;font-weight:650}
 .tablewrap td input{width:100%}
 .tags a{max-width:100%;overflow-wrap:anywhere}
 .search{flex-wrap:wrap}
 .search input{flex:1 1 100%;width:100%}
 .search button{width:100%}
 #image-dialog{padding:14px;width:96vw;max-width:96vw}
 .ad{padding:18px 14px;letter-spacing:1px;line-height:1.7}
}
.entry-ways{margin:15px 0 45px}.entry-ways .tags{gap:8px}.tags button{padding:9px 12px;background:#e9ebde;color:var(--green);border:0;border-radius:20px;font-size:13px;text-align:left;max-width:100%;white-space:normal}.results-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}.results-heading button{font-size:13px}#search-results{margin-bottom:40px;padding:24px;background:#eaeedc;border-radius:16px}#search-results .card{background:#fff}#search-help{max-width:580px}@media(max-width:600px){#search-results{padding:18px 14px}.results-heading{align-items:start;flex-direction:column;gap:8px}.results-heading h2{margin:0}.entry-ways{margin-top:25px}}

.entry-card{color:var(--ink);text-align:left;width:100%;font:inherit;cursor:pointer;background:white}.entry-title{display:block;font-size:21px;font-weight:700;margin:0 0 16px}.entry-description{display:block;color:#63746b;font-size:14px;line-height:1.6}.entry-card[aria-expanded="true"]{border:2px solid var(--green);background:#e8edda}.entry-card:focus-visible{outline:3px solid var(--orange);outline-offset:4px}.start-panel{margin-top:20px;padding:24px;background:#e8edda;border-radius:14px}.start-panel h3{margin-top:0}.start-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.start-links a{background:white;border-radius:10px;padding:16px;text-decoration:none;display:flex;justify-content:space-between;gap:12px;line-height:1.5}.start-links a:hover{background:#f8f5ee}.start-links a:focus-visible{outline:3px solid var(--orange)}@media(max-width:600px){.start-links{grid-template-columns:minmax(0,1fr)}.start-panel{padding:18px 14px}}

.legal-summary{font-size:12px;line-height:1.7;margin-top:18px;padding-top:15px;border-top:1px solid var(--line);overflow-wrap:anywhere}.legal-intro{margin:22px 0;font-size:14px;line-height:1.7}.legal-context{font-size:13px;line-height:1.7;background:#edf0e2;border-left:3px solid #7d9a7c;padding:12px 16px;margin:16px 0;overflow-wrap:anywhere}.legal-context a,.legal-summary a{text-decoration:underline}@media print{.legal-intro{display:none}.legal-summary,.legal-context{font-size:10pt}}

/* Thematic guide directory: native keyboard-accessible disclosure, mobile containment. */
.guide-directory{display:grid;gap:1rem;min-width:0}.guide-group{min-width:0;border:1px solid var(--line,#d8dfd1);border-radius:14px;background:#fbf9f2;padding:0}.guide-group>summary{display:list-item;cursor:pointer;padding:1.25rem;font-weight:700;font-size:1.15rem;overflow-wrap:anywhere}.guide-group>summary span{display:inline-block;margin-left:.8rem;font-size:.85rem;font-weight:400;color:#53665a}.guide-group[open]>summary{border-bottom:1px solid #d8dfd1}.guide-group>.grid{padding:1rem;min-width:0}.guide-group .card{min-width:0}@media(max-width:600px){.guide-group>summary{font-size:1rem;padding:1rem}.guide-group>summary span{display:block;margin:.3rem 0 0}.guide-group>.grid{padding:.65rem}}

/* Layout audit: readable article measure, usable controls and compact mobile contents. */
html{scroll-padding-top:24px}
body{-webkit-text-size-adjust:100%;text-size-adjust:100%}
.article{gap:32px}
.body{width:100%;max-width:76ch}
.body h2{line-height:1.25;overflow-wrap:anywhere}
.body h3,.card,.start-links a,.foot{overflow-wrap:anywhere}
.toc{max-height:calc(100dvh - 40px);overflow:auto;padding-right:6px}
.toc-disclosure{padding:0;border:0}
.toc-disclosure>summary{padding:0 0 12px;font-size:14px;list-style:inside;min-height:44px}
.toc-hint{display:none}
nav a,button,.btn,select{min-height:44px}
nav a{display:inline-flex;align-items:center}
button,a,summary,input,select{touch-action:manipulation}
a:focus-visible,button:focus-visible,summary:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
input,select,textarea{font-size:16px}
table{table-layout:fixed}
th,td{overflow-wrap:anywhere;vertical-align:top}
.tablewrap input{width:100%;min-width:0}
.start-links a>span{flex:0 0 auto}
#image-dialog{max-height:calc(100dvh - 32px);overflow:auto}
#close-image{position:sticky;top:0;z-index:1}
@media(max-width:780px){
 .article{gap:20px}
 .toc{max-height:none;overflow:visible;padding:0}
 .toc-disclosure>summary{list-style:inside;padding:16px;pointer-events:auto;min-height:48px}
 .toc-disclosure>summary::-webkit-details-marker{display:inline}
 .toc-hint{display:block;margin-top:4px;font-size:12px;font-weight:400;color:#607069}
 .toc-disclosure[open] .toc-hint{display:none}
 .toc-links{padding:0 16px 10px}
 .toc-quick{padding:16px}
 .toc a{min-height:44px;display:flex;align-items:center}
 header nav a{min-height:44px;font-size:14px}
 header nav{gap:4px 18px}
}
@media(max-width:600px){
 .tablewrap table{table-layout:auto}
 .figure-zoom span{padding:10px 0;min-height:44px}
 .body{max-width:100%}
 .guide-group>summary{min-height:64px}
 .search button,.budget input{min-height:48px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.card:hover{transform:none}}
@media print{.toc{display:none}.body{max-width:none}}

/* Shared identity, served locally without an external font service. */
@font-face{font-family:Compagnon;src:url('/fonts/compagnon-heading.woff') format('woff');font-weight:600 900;font-style:normal;font-display:swap}
header{gap:28px;padding-top:28px;padding-bottom:22px;border-bottom:1px solid #deded0}
.logo{display:flex;align-items:center;gap:14px;text-decoration:none;color:#264e40;flex-shrink:0;max-width:100%;font-size:inherit;line-height:1.12}
.brand-copy{display:block;min-width:0}
.brand-name{display:block;font-family:Compagnon,system-ui,sans-serif;font-size:34px;font-weight:700;letter-spacing:-.7px}
.logo .brand-name small{display:block;font-family:inherit;font-size:27px;font-weight:700;letter-spacing:-.3px;color:#264e40;line-height:1.15}
.brand-tagline{display:block;margin-top:10px;font-family:system-ui,sans-serif;font-size:14px;font-weight:450;line-height:1.5;letter-spacing:0;color:#465b51;max-width:360px}
.logo .mark{font-family:system-ui,sans-serif;font-size:34px;line-height:1;border:2px solid #264e40;border-radius:14px;padding:9px 12px;flex-shrink:0;color:#264e40}
h1,h2,h3,.entry-title{font-family:Compagnon,system-ui,sans-serif;font-weight:700}
h1{letter-spacing:-1.3px}h2{letter-spacing:-.5px}h3{letter-spacing:-.2px}
.lead,.card p,.muted,.path p,.crumb,.lesson-figure figcaption{color:#465b51}
.eyebrow,.num{color:#a34a29}
header nav{flex-wrap:wrap;gap:4px 20px;justify-content:flex-end;min-width:0}
header nav a{font-size:15px;min-height:44px;display:flex;align-items:center;font-weight:550}
.logo:focus-visible,header nav a:focus-visible{outline:3px solid #a34a29;outline-offset:5px;border-radius:4px}
.hero{padding-top:38px}
@media(max-width:980px){header{flex-direction:column;align-items:flex-start;gap:14px}header nav{width:100%;justify-content:flex-start;gap:4px 20px}}
@media(max-width:600px){header{padding-top:20px;padding-bottom:12px;gap:12px}.brand-name{font-size:30px}.logo .brand-name small{font-size:24px}.brand-tagline{font-size:14px;margin-top:8px}.logo{gap:12px}.logo .mark{font-size:28px;padding:8px 10px}header nav a{font-size:14px}header nav{gap:0 18px}.hero{padding-top:20px;padding-bottom:25px}h1{letter-spacing:-.7px}}
@media(max-width:480px){.logo .mark{display:none}.brand-name{font-size:30px}.logo .brand-name small{font-size:24px}}
@media print{header{display:none}}
.equipment-intro{padding:24px;border:1px solid var(--line);border-radius:16px;background:#e9ebde;margin:0 0 32px}.equipment-intro h2{margin:10px 0}.equipment-intro p{line-height:1.65;max-width:70ch}.equipment-cost{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding:24px;background:#edf0e2;border-radius:14px}.equipment-cost label{font-size:15px;line-height:1.5}.equipment-cost input{display:block;width:100%;margin-top:6px;font-size:16px}.equipment-cost p,.equipment-cost output{grid-column:1/-1}.equipment-cost output{padding:18px;background:white;border:1px solid var(--line);border-radius:10px;line-height:1.7;overflow-wrap:anywhere}@media(max-width:600px){.equipment-cost{grid-template-columns:minmax(0,1fr);padding:18px}.equipment-intro{padding:20px}}

.question-callout{margin:2rem 0;padding:clamp(1.2rem,4vw,2rem);border:1px solid #c8d6cb;border-radius:16px;background:#edf3eb}.question-callout p{max-width:65ch}.question-form{max-width:680px;display:grid;gap:1rem}.question-form label{display:grid;gap:.5rem;font-weight:600}.question-form input,.question-form textarea{width:100%;min-width:0;box-sizing:border-box;padding:.85rem;border:1px solid #829587;border-radius:8px;font:inherit;background:#fff;color:#23392f}.question-form textarea{resize:vertical}.question-form .btn{justify-self:start;cursor:pointer}.question-form [hidden],.question-callout[hidden]{display:none}

.project-path{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;list-style:none;padding:0;counter-reset:project-step}.project-path li{counter-increment:project-step;min-width:0}.project-path a{display:block;height:100%;padding:16px;border:1px solid #cbd7cb;border-radius:10px;text-decoration:none;overflow-wrap:anywhere}.project-path strong:before{content:counter(project-step) " / ";color:#bb5b35}.project-path span{display:block;margin-top:7px;font-size:.95rem}.project-path a:hover{background:#edf1e2}@media(max-width:780px){.project-path{grid-template-columns:minmax(0,1fr)}}

/* Lecture progressive : explications courtes, matériaux reconnaissables. */
@media(min-width:601px){.body p{text-align:justify;hyphens:auto;text-align-last:left}}
.material-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:24px 0}.material-card{border:1px solid #d9ded6;border-radius:16px;background:#fff;padding:18px;min-width:0}.material-card img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;border-radius:10px}.material-card h3{margin-top:16px}.material-card p,.body .illustration-note{text-align:left}.material-card dl{margin:0}.material-card dt{font-weight:700;margin-top:16px}.material-card dd{margin:5px 0 0;line-height:1.65}.illustration-note{font-size:.9rem;color:#526252}.deep-dive{border:1px solid #d9ded6;border-radius:12px;padding:16px;margin:18px 0}.deep-dive summary{cursor:pointer;font-weight:700;line-height:1.6}.deep-dive[open] summary{margin-bottom:20px}@media(max-width:700px){.material-grid{grid-template-columns:1fr}.material-card img{max-height:260px;object-fit:contain}.body p{text-align:left}}

.insulation-brief-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.insulation-pictures{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.insulation-pictures figure{margin:0}.insulation-pictures img{width:100%;height:auto}.insulation-pictures figcaption{font-size:.9rem}@media(max-width:700px){.insulation-brief-grid{grid-template-columns:1fr;gap:0}.insulation-pictures{grid-template-columns:1fr 1fr}}

/* Un véritable comparatif : conserver les lignes sur mobile. */
.tablewrap.insulation-comparison{overflow:auto;max-width:100%;border:1px solid var(--line);border-radius:12px;isolation:isolate}.tablewrap.insulation-comparison table{display:table;width:850px;min-width:850px;table-layout:fixed;background:#fff;border-collapse:separate;border-spacing:0}.tablewrap.insulation-comparison caption{caption-side:top;padding:12px;text-align:left;font-size:13px;background:#f2f4ec}.tablewrap.insulation-comparison thead{display:table-header-group;position:static;width:auto;height:auto;padding:0;overflow:visible;clip-path:none;white-space:normal}.tablewrap.insulation-comparison tbody{display:table-row-group;width:auto}.tablewrap.insulation-comparison tr{display:table-row;width:auto;border:0;border-radius:0;margin:0;overflow:visible}.tablewrap.insulation-comparison th,.tablewrap.insulation-comparison td{display:table-cell;width:auto;padding:10px;line-height:1.4;font-size:13px;vertical-align:top;border-bottom:1px solid var(--line);text-align:left;overflow-wrap:normal}.tablewrap.insulation-comparison td::before{display:none;content:none}.tablewrap.insulation-comparison tr>*:first-child{width:135px;position:sticky;left:0;background:#e8edda;z-index:1;font-weight:700;border-right:1px solid var(--line)}.tablewrap.insulation-comparison thead th{background:#e8edda}.tablewrap.insulation-comparison thead th:nth-child(2){width:105px}.tablewrap.insulation-comparison thead th:nth-child(3){width:110px}.tablewrap.insulation-comparison .price{font-weight:750;white-space:nowrap;background:#fff}.body .comparison-scroll-hint{text-align:left;font-size:.9rem;margin-bottom:10px}

/* Accueil : choix courts, compléments dépliables. */
.more-choices{margin-top:18px}.more-choices summary{cursor:pointer;font-weight:700;padding:12px 0;color:var(--green)}.more-choices[open] summary{margin-bottom:8px}.more-choices summary:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

/* Comparatifs courts : largeur liée au nombre de colonnes, sans modifier le modèle isolation. */
.tablewrap.comparison-columns-2 table{width:100%;min-width:460px}
.tablewrap.comparison-columns-3 table{width:100%;min-width:600px}
.tablewrap.comparison-columns-4 table{width:100%;min-width:720px}
.tablewrap[class*="comparison-columns-"] thead th:nth-child(n){width:auto}
.tablewrap[class*="comparison-columns-"] tr>*:first-child{width:30%}
.comparison-hint{font-size:13px;color:#465b51;margin:8px 0 12px;line-height:1.5}
@media(min-width:781px){.comparison-hint{display:none}}
@media print{.tablewrap.insulation-comparison{overflow:visible}.tablewrap.insulation-comparison table{width:100%;min-width:0}.tablewrap.insulation-comparison tr>*:first-child{position:static}.comparison-hint{display:none}}

/* Illustrations de principe : légendes HTML lisibles, trois vues sur PC et une par ligne sur mobile. */
.concept-figure{margin:24px 0;padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}
.concept-figure>figcaption{font-size:17px;line-height:1.5;margin-bottom:16px}
.concept-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.concept-item{min-width:0}.concept-item img{width:100%;height:auto;display:block;border-radius:12px}
.body .concept-item h3{font-size:18px;margin:12px 0 6px}.body .concept-item p{text-align:left;line-height:1.55;font-size:14px;margin:0}
.body .concept-note{text-align:left;font-size:12px;line-height:1.6;margin:16px 0 0;color:#465b51}
@media(max-width:700px){.concept-grid{grid-template-columns:minmax(0,1fr)}.concept-item img{max-width:360px;margin:auto}.concept-figure{padding:14px}}
@media print{.concept-figure{break-inside:avoid}.concept-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}

@media(min-width:701px){.concept-grid-two{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Démarches : cas dépliables, accessibles sans dépendre d’un simulateur. */
.project-rule{padding:6px 0;scroll-margin-top:24px}
.project-rule>summary{min-height:48px;padding:10px 0;line-height:1.5}
.project-rule[open]{padding-bottom:16px}

.insulation-photo-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0 8px}.insulation-photo-gallery figure{min-width:0;margin:0;border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}.insulation-photo-gallery img{display:block;width:100%;height:170px;object-fit:cover}.insulation-photo-gallery figcaption{padding:10px;font-size:.78rem;line-height:1.45;color:#465b51}.insulation-photo-gallery figcaption span{display:block;margin-top:5px;font-size:.68rem;color:#657368}.insulation-photo-gallery a{color:inherit}@media(max-width:700px){.insulation-photo-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.insulation-photo-gallery img{height:124px}.insulation-photo-gallery figcaption{padding:8px;font-size:.78rem}.insulation-photo-gallery figcaption span{font-size:.7rem}}

.equipment-portrait img{width:100%;max-width:500px;max-height:360px;object-fit:cover;object-position:center 63%}
/* Photos documentaires : objet entier visible, légende courte et crédit séparé. */
.photo-figure{margin:24px 0;min-width:0}
.lesson-figure.photo-figure img{display:block;width:100%;height:auto;max-height:420px;object-fit:contain;background:#f3f4ee;border:1px solid var(--line);border-radius:14px}
.photo-figure figcaption{font-size:.9rem;line-height:1.45;margin-top:8px;color:#334d40}
.photo-figure .image-label{display:block;font-weight:600}
.photo-figure .photo-credit{display:block;font-size:.72rem;font-weight:400;line-height:1.5;margin-top:4px;color:#53665b;overflow-wrap:anywhere}
.photo-credit a{color:inherit}
.photo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:24px 0}
.photo-grid>.photo-figure{margin:0;min-width:0}
.photo-grid>.photo-figure img{height:260px;max-height:260px;object-fit:contain}
@media(max-width:620px){.photo-grid{grid-template-columns:1fr;gap:20px}.photo-grid>.photo-figure img{height:auto;max-height:340px}.lesson-figure.photo-figure img{max-height:340px}.photo-figure .photo-credit{font-size:.75rem}}
@media print{.photo-figure{break-inside:avoid}.lesson-figure.photo-figure img{max-height:240px}.photo-grid>.photo-figure img{max-height:190px}.photo-credit{font-size:9pt}}

.photo-grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}
.photo-grid-three>.photo-figure img{height:230px;max-height:230px}
@media(max-width:900px){.photo-grid-three{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.photo-grid-three{grid-template-columns:1fr}.photo-grid-three>.photo-figure img{height:auto;max-height:340px}}