:root{--forest:#194236;--green:#2e6450;--lime:#dceba8;--ink:#203b32;--muted:#647068;--paper:#fafbf8;--line:#dfe5dc;--white:#fff;--radius:14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;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}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #bd740e;outline-offset:4px}.container{max-width:1240px;margin:auto;padding:0 32px}.header{background:white;border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;gap:32px;height:88px}.brand{display:flex;align-items:center;gap:7px;font-size:25px;font-weight:700;letter-spacing:-1px;white-space:nowrap}.brand span{font-weight:400}.brand small{font-size:13px;color:var(--muted);align-self:center;letter-spacing:0}.header nav{display:flex;gap:25px;margin-left:auto;font-size:14px;font-weight:600}.header nav a:hover{color:var(--green)}.search-shortcut{padding:8px 13px;background:#f0f3ed;border-radius:8px;font-size:14px}.hero{display:grid;grid-template-columns:1.5fr 1fr;gap:60px;padding-top:68px;padding-bottom:58px;align-items:center}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.7px;color:var(--green)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(34px,4.2vw,56px);line-height:1.12;letter-spacing:-2.2px;margin-top:18px;margin-bottom:22px;font-weight:650}h1 em{font-family:Georgia,serif;font-weight:400;color:var(--green)}.hero p{color:var(--muted);line-height:1.7;font-size:16px}.search-box{margin-top:26px;padding:7px;display:flex;align-items:center;gap:10px;border:1px solid #b9c8bc;border-radius:10px;background:#fff;box-shadow:0 4px 10px #193d3106}.search-box>span{font-size:26px;padding-left:9px}.search-box input{min-width:0;flex:1;border:0;background:transparent;outline-offset:0;font-size:14px;padding:9px 0}.button{background:var(--forest);color:#fff;border:1px solid var(--forest);padding:12px 21px;border-radius:7px;font-size:14px;font-weight:600;display:inline-flex;justify-content:center;align-items:center;gap:8px}.button:hover{background:#2e604b}.suggestions{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:9px;margin-top:12px}.suggestions a{background:#edf1e9;padding:3px 10px;border-radius:20px;color:#3e5748}.hero-trust{margin-top:28px;display:flex;gap:23px;font-size:12px;color:#4a6254}.hero-note{background:#e8eee1;border-radius:18px;min-height:335px;padding:32px;position:relative}.hero-note h2{font-family:Georgia,serif;font-size:34px;line-height:1.2;margin-top:16px}.sample-result{background:white;padding:22px;border-radius:10px;box-shadow:0 8px 20px #19423609}.sample-result small{font-size:10px;letter-spacing:1px}.sample-result strong{display:block;font-size:38px;line-height:1.5}.sample-result strong span{font-size:17px;font-weight:400}.sample-result p{font-size:13px;margin-bottom:0}.section{padding-top:46px;padding-bottom:52px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:25px;gap:24px}.section-heading h2{font-size:28px;letter-spacing:-.7px;margin-top:7px;margin-bottom:0;line-height:1.2}.section-heading>span,.text-link{font-size:13px;color:var(--green);font-weight:600}.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.calculator-card{display:flex;flex-direction:column;background:white;border:1px solid var(--line);border-radius:12px;padding:24px;transition:border-color .15s,transform .15s;min-width:0}.calculator-card:hover{border-color:#789981;transform:translateY(-2px)}.icon-tile{display:flex;width:44px;height:44px;align-items:center;justify-content:center;background:#edf3e7;border-radius:10px;font-size:25px;margin-bottom:22px;color:#315946}.calculator-card small{font-size:10px;font-weight:600;letter-spacing:1px;color:var(--muted)}.calculator-card h3{font-size:18px;letter-spacing:-.4px;margin:8px 0}.calculator-card p{font-size:13px;color:var(--muted);line-height:1.65;flex:1}.card-bottom{display:flex;justify-content:space-between;gap:8px;font-size:12px;font-weight:600;padding-top:16px;border-top:1px solid #edf0e9}.card-bottom span{font-size:18px;line-height:1}footer{background:var(--forest);color:#fff;padding:45px 0}footer p{font-size:13px;color:#c7d7cb;margin-top:10px}@media(max-width:1050px){.header nav{gap:14px}.header-inner{gap:14px}.header .search-shortcut span{display:none}.hero{gap:28px}.card-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.container{padding-left:20px;padding-right:20px}.header-inner{height:72px}.brand{font-size:23px}.header nav{display:none}.search-shortcut{margin-left:auto}.hero{grid-template-columns:1fr;padding-top:36px;gap:28px;padding-bottom:26px}h1{letter-spacing:-1.5px;font-size:40px}.hero-note{min-height:240px;display:none}.hero-trust{gap:14px;justify-content:space-between;font-size:11px}.eyebrow{font-size:10px;letter-spacing:1.4px}.section{padding-top:30px;padding-bottom:32px}.section-heading h2{font-size:26px}.section-heading>span{display:none}.calculator-card{padding:18px}.card-grid{gap:12px}.calculator-card h3{font-size:17px}.calculator-card p{font-size:13px}.card-bottom{font-size:11px}.icon-tile{margin-bottom:15px}.search-box{gap:6px}.search-box .button{padding:12px;font-size:12px}}
/* Shared product components */
[hidden]{display:none!important}.icon{flex-shrink:0;vertical-align:middle}.brand-mark{background:var(--forest);color:white;padding:5px;display:flex;border-radius:7px}.brand-mark .icon{width:23px;height:23px}.brand b{font-weight:700}.brand b span{font-weight:400}.search-shortcut{display:flex;gap:8px;align-items:center}.search-shortcut .icon{width:18px;height:18px}.menu-toggle{display:none;padding:9px;border:1px solid var(--line);border-radius:7px;background:white;color:var(--ink)}.skip-link{position:fixed;top:-100px;left:16px;background:white;padding:12px;z-index:100}.skip-link:focus{top:10px}.search-box>.icon{margin-left:10px;width:21px;height:21px;color:var(--green)}.search-wrap{position:relative}.search-results{position:absolute;z-index:20;top:calc(100% + 5px);left:0;right:0;border:1px solid var(--line);border-radius:10px;background:white;box-shadow:0 14px 35px #203b3220;overflow:hidden}.search-results a{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;border-bottom:1px solid #edf0e9;font-size:14px;gap:15px}.search-results a:hover,.search-results a:focus{background:#f0f5e8}.search-results a span{color:var(--muted);font-size:12px}.search-results p{padding:16px;margin:0;font-size:14px}.hero-note.with-photo{padding:0;min-height:360px;margin-bottom:20px}.hero-note.with-photo>img{width:100%;height:360px;object-fit:cover;border-radius:18px;display:block}.hero-note.with-photo .sample-result{position:absolute;left:20px;right:-14px;bottom:-20px;padding:21px}.sample-result{display:flex;gap:16px;align-items:center}.sample-result strong{font-size:18px;line-height:1.4;letter-spacing:-.3px;margin:5px 0}.sample-result a{font-size:12px;font-weight:600;color:var(--green);display:flex;gap:35px;margin-top:8px}.sample-result a span{margin-left:auto}.sample-icon{padding:13px;background:#ecf2e5;border-radius:10px}.hero-note:not(.with-photo) .sample-result{margin-top:25px}.calculator-card small{text-transform:uppercase}.calculator-card p{font-size:14px}.calculator-card .icon{width:25px;height:25px}.cat-travaux{background:#f1ecdF;color:#897346}.cat-terrasse{background:#eaf0df;color:#63793b}.cat-jardin{background:#e8f1e4;color:#467b47}.cat-piscine{background:#e5eff1;color:#4e858e}.cat-eau{background:#e5edf5;color:#587da3}.cat-energie{background:#f9f0d9;color:#9b7b31}.cat-bricolage{background:#eee8e1;color:#8d7058}.tinted{background:#f0f3eb;border-top:1px solid #e7ebe2;border-bottom:1px solid #e7ebe2}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.category-card{padding:22px;border:1px solid #d9e0d1;border-radius:10px;display:flex;gap:15px;align-items:flex-start;background:#fafbf8}.category-card:hover{border-color:#8ca380}.category-card .icon-tile{margin:0;flex-shrink:0;width:38px;height:38px}.category-card .icon{width:21px;height:21px}.category-card h3{font-size:16px;line-height:1.4;margin-bottom:8px}.category-card p{font-size:13px;color:var(--muted);line-height:1.6;margin-bottom:9px}.category-card small{font-size:11px;color:var(--green)}.how{display:grid;grid-template-columns:1fr 2.5fr;gap:45px;border-bottom:1px solid var(--line)}.how h2{font-size:26px;line-height:1.3;letter-spacing:-.7px;margin-top:12px}.how ol{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:35px;margin:0}.how li>span{font-family:Georgia,serif;font-size:32px;color:#869b75;display:block;margin-bottom:12px}.how h3{font-size:16px;margin-bottom:9px}.how p{font-size:14px;color:var(--muted);line-height:1.7}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.article-card{border:1px solid var(--line);background:white;border-radius:12px;padding:26px;display:flex;flex-direction:column}.article-card:hover{border-color:#8ba381}.article-label{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);gap:10px;margin-bottom:24px}.article-label span:first-child{color:var(--green);font-weight:700;text-transform:uppercase;letter-spacing:.5px}.article-card h3{font-family:Georgia,serif;font-size:24px;font-weight:400;line-height:1.3}.article-card p{font-size:14px;color:var(--muted);flex:1}.article-card .text-link{padding-top:14px}.faq-section{display:grid;grid-template-columns:1fr 2fr;gap:65px}.faq-section h2{font-size:29px;line-height:1.25;letter-spacing:-.7px;margin-top:12px}.faq-list details{border-bottom:1px solid var(--line);padding:18px 0}.faq-list details:first-child{padding-top:0}.faq-list summary{list-style:none;font-size:15px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';font-size:23px;font-weight:400}.faq-list details[open] summary:after{content:'−'}.faq-list p{font-size:15px;color:var(--muted);margin:15px 30px 0 0}.bottom-cta{background:var(--forest);color:white;border-radius:15px;padding:34px 40px;margin:14px 0 60px;display:flex;justify-content:space-between;align-items:center;gap:25px}.bottom-cta h2{font-family:Georgia,serif;font-size:27px;font-weight:400;margin-bottom:8px}.bottom-cta p{font-size:14px;color:#cbd9cd;margin:0}.button.light{background:var(--lime);border-color:var(--lime);color:var(--forest);white-space:nowrap}.button.secondary{color:var(--forest);border-color:#acbeb0;background:transparent}.button.secondary:hover{background:#e6eddf}.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1.1fr 1.5fr;gap:40px}.footer-grid>div>strong{display:block;font-size:13px;margin:5px 0 15px}.footer-grid>div>a:not(.brand),.footer-grid .link-button{display:block;font-size:13px;color:#cfdbd0;line-height:2.2}.footer-grid .brand-mark{background:#315a4b}.footer-grid .brand small{color:#c1d2c4}.footer-grid>div>a:hover,.footer-grid .link-button:hover{color:white;text-decoration:underline}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #456457;margin-top:35px;padding-top:22px;font-size:11px;color:#b5cabd}.link-button{border:0;padding:0;background:none;color:var(--green);text-decoration:underline;text-underline-offset:4px;cursor:pointer;font-size:14px}.breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin:0 0 30px}.breadcrumbs a:hover{text-decoration:underline}.breadcrumbs [aria-current]{color:var(--ink)}.page-heading{max-width:850px;margin-bottom:35px}.page-heading h1{font-size:44px;letter-spacing:-1.5px;line-height:1.14;margin:15px 0 20px}.page-heading>p{font-size:17px;color:var(--muted);line-height:1.8}.section>.search-wrap{max-width:800px;margin-bottom:28px}.filter-chips{display:flex;gap:9px;flex-wrap:wrap;margin:32px 0 15px}.filter-chip{border:1px solid var(--line);border-radius:25px;padding:9px 16px;background:white;color:var(--muted);font-size:14px;min-height:44px}.filter-chip.active{background:var(--forest);color:#fff;border-color:var(--forest)}.small{font-size:13px;color:var(--muted)}.reading-width{max-width:760px}.reading-width>p,.prose p{font-size:16px;line-height:1.85;color:#56645b}.reading-width h2{font-size:28px;line-height:1.25;letter-spacing:-.6px;margin:32px 0 18px}.reading-width h3{font-size:20px;margin:28px 0 13px}.reading-width a,.prose a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.calculator-heading{max-width:870px;margin-bottom:32px}.calculator-heading h1{font-size:43px;letter-spacing:-1.3px;margin:16px 0 15px}.calculator-heading>p{font-size:17px;color:var(--muted);max-width:760px;margin-bottom:13px}.category-pill{display:inline-flex;gap:7px;align-items:center;font-size:12px;background:#ebf1e3;padding:5px 10px;border-radius:5px;color:var(--green)}.category-pill .icon{width:16px;height:16px}.calculator-workspace{display:grid;grid-template-columns:1.3fr 1fr;gap:26px;align-items:start}.calculator-workspace form{background:white;border:1px solid var(--line);padding:30px;border-radius:14px}.form-title{display:flex;align-items:center;gap:12px;border-bottom:1px solid #e8ece4;padding-bottom:22px;margin-bottom:24px}.step-number{width:29px;height:29px;display:grid;place-items:center;border-radius:50%;color:var(--green);background:#edf2e7;font-size:13px;font-weight:700}.form-title h2{font-size:19px;margin:0;letter-spacing:-.3px}.fields-grid{display:grid;grid-template-columns:repeat(2,1fr);column-gap:24px;row-gap:21px}.field{min-width:0}.field label{display:block;font-size:14px;font-weight:600;line-height:1.45;margin-bottom:8px}.input-unit{display:flex;background:#fafbf8;border:1px solid #c7d2c8;border-radius:7px;overflow:hidden;align-items:center}.input-unit:focus-within{outline:3px solid #809964;outline-offset:2px}.input-unit input{border:0;outline:none;width:100%;min-width:0;padding:11px 13px;background:transparent;color:var(--ink);font-size:17px;line-height:1.5}.input-unit span{padding:0 12px;color:var(--muted);font-size:13px;white-space:nowrap}.field select{border:1px solid #c7d2c8;border-radius:7px;padding:12px;width:100%;min-height:49px;color:var(--ink);background:#fafbf8;font-size:15px}.field-help{display:block;font-size:12px;line-height:1.5;color:var(--muted);margin-top:5px}.field-help:empty{display:none}.field-error{display:block;color:#ab3021;font-size:13px;margin-top:7px;line-height:1.5}.field-error:empty{display:none}.input-unit:has([aria-invalid=true]){border:2px solid #ab3021}.form-actions{display:flex;align-items:center;gap:22px;margin-top:25px}.form-actions .button{flex:1;font-size:15px;min-height:49px}.form-actions+.small{font-size:12px;margin:15px 0 0}.result-panel{background:var(--forest);border-radius:14px;color:white;padding:30px;position:sticky;top:24px;scroll-margin-top:20px;min-width:0}.result-topline{display:flex;justify-content:space-between;align-items:center;margin-bottom:19px}.result-topline .eyebrow{color:#d4e5b6;font-size:11px}.result-topline>.icon{color:#cdddb2}.result-zero{font-size:64px;line-height:1.4;color:#b5c6b9}.empty-result h3{font-family:Georgia,serif;font-size:26px;font-weight:400}.empty-result p{font-size:15px;color:#d1dbd0;max-width:260px}.result-number{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin:15px 0 0;line-height:1.15}.result-number strong{font-size:clamp(36px,4vw,60px);letter-spacing:-1.8px;overflow-wrap:anywhere;font-weight:500}.result-number span{font-size:23px;color:#e1ebd1}.result-subtitle{font-size:13px;color:#c8d8ca;margin:12px 0 24px}.result-details{margin:22px 0 0;border-top:1px solid #466658;padding-top:9px}.result-details div{display:flex;justify-content:space-between;gap:20px;margin:0;padding:8px 0;font-size:13px}.result-details dt{color:#d0dece}.result-details dd{margin:0;text-align:right;font-weight:600;white-space:nowrap}.result-notice{font-size:12px;line-height:1.7;color:#c1d3c3;margin:20px 0 0;padding-top:17px;border-top:1px solid #466658}.result-actions{display:flex;gap:8px;margin-top:25px;flex-wrap:wrap}.result-actions button{border:1px solid #648071;background:#285041;border-radius:7px;color:white;flex:1;padding:10px;font-size:12px;display:flex;gap:7px;justify-content:center;align-items:center;min-height:44px}.result-actions button:hover{background:#3b6552}.result-actions .icon{width:15px;height:15px}.print-date{display:none}.calculator-reassurance{display:flex;gap:30px;font-size:12px;color:var(--muted);margin-top:24px}.explanation-layout{display:grid;grid-template-columns:1.5fr .7fr;gap:70px;align-items:start;border-top:1px solid var(--line)}.explanation-layout article>h2:first-of-type{margin-top:12px}.formula-box{background:#edf2e5;border:1px solid #d9e2cf;border-radius:10px;padding:22px;margin:26px 0}.formula-box>span{font-size:11px;font-weight:700;letter-spacing:1px;color:var(--green)}.formula-box p{font-size:16px;line-height:1.8;margin:12px 0 0;color:#334d3d}.example-inputs{padding:15px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.example-inputs>div{display:flex;justify-content:space-between;gap:18px;font-size:14px;margin:8px 0}.example-inputs dt{color:var(--muted)}.example-inputs dd{text-align:right;margin:0;font-weight:600}.example-answer{background:#f0f3eb;padding:15px 18px;border-radius:6px}.advice-list{padding-left:22px;color:#56645b;font-size:16px;line-height:1.85}.advice-list li{padding-left:3px;margin-bottom:8px}.method-note{padding:26px;border:1px solid #dce4d4;background:#f3f5ee;border-radius:12px;margin-top:25px}.method-note>.icon{width:30px;height:30px;color:#829968;margin-bottom:24px}.method-note h3{font-family:Georgia,serif;font-weight:400;font-size:25px;line-height:1.3}.method-note p{font-size:14px;color:var(--muted)}.method-note>a{font-size:13px;color:var(--green);font-weight:600;text-decoration:underline}.sources{margin-top:28px;border-top:1px solid var(--line);padding-top:15px}.sources p{font-size:13px;color:var(--muted)}.sources a{display:block;font-size:13px;margin:8px 0}.article-page .reading-width{margin-top:38px}.article-page .reading-width h2{margin-top:42px}.article-page .page-heading{max-width:900px}.info-box,.warning{padding:20px 24px;border-left:3px solid #8caa6c;background:#eff4e7;border-radius:0 8px 8px 0}.warning{background:#fff6e6;border-color:#b99144;color:#775c24!important}.legal-page .prose h2{margin-top:35px}.legal-list{font-size:15px}.legal-list dt{font-weight:600;margin-top:15px}.legal-list dd{margin:4px 0 0;color:var(--muted)}.config-pending{color:#92661c;font-weight:600}.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.sitemap-grid h2{font-size:22px}.sitemap-grid li{margin-bottom:10px;font-size:15px}.sitemap-grid a:hover{text-decoration:underline}.error-page{max-width:850px;min-height:65vh;padding-top:90px}.error-page .search-wrap{margin-bottom:35px}.ad-slot{margin:32px auto;max-width:970px;min-height:90px;text-align:center}.ad-slot>span{font-size:11px;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:16px;padding:36px;max-width:550px;width:calc(100% - 32px);color:var(--ink);box-shadow:0 20px 80px #0003}dialog::backdrop{background:#102f286b}dialog h2{font-size:28px;line-height:1.3;margin:12px 0 18px}dialog p{font-size:15px;color:var(--muted)}.dialog-close{position:absolute;right:14px;top:10px;border:0;background:none;font-size:26px;color:var(--muted);width:40px;height:40px}.cookie-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.cookie-actions button{flex:1;white-space:nowrap;min-height:45px}.cookie-actions .secondary{font-weight:600;background:#eff3e9}.toast{position:fixed;left:50%;bottom:25px;transform:translateX(-50%);z-index:100;background:#193e32;color:#fff;border:1px solid #86a076;border-radius:9px;padding:13px 22px;box-shadow:0 4px 25px #0002;font-size:14px;max-width:calc(100% - 30px);width:max-content}.clipboard-fallback{position:fixed;top:-9999px;left:-9999px}.result-invalid{color:#e7dec6;font-size:15px;min-height:160px;padding-top:25px}.product-recommendation{border:1px solid var(--line);padding:20px;border-radius:10px}.prose code{overflow-wrap:anywhere}
@media(min-width:1400px){.hero{gap:80px}.hero-note.with-photo>img{height:375px}}
@media(max-width:1100px){.header-inner{gap:18px}.header nav{gap:16px;font-size:13px}.brand{font-size:22px}.category-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:28px}.footer-grid>div:last-child{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:0 22px;align-items:center}.footer-grid>div:last-child>strong{width:100%}.footer-grid>div:last-child>p{display:none}.calculator-workspace{grid-template-columns:1.2fr 1fr}.calculator-workspace form,.result-panel{padding:24px}.fields-grid{column-gap:16px}.result-actions{gap:5px}.result-actions button{padding:9px 7px}.explanation-layout{gap:35px}}
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@media(max-width:380px){.container{padding-left:16px;padding-right:16px}.brand small{display:none}.hero h1{font-size:35px}.hero-trust{font-size:10px;gap:8px}.card-grid{grid-template-columns:1fr}.calculator-card{padding:22px}.calculator-card .icon-tile{margin-bottom:16px}.fields-grid{grid-template-columns:1fr}.form-title h2{font-size:17px}.result-number strong{font-size:48px}.result-details div{font-size:13px}.form-actions{flex-direction:column;align-items:stretch}.form-actions .link-button{padding:5px}.sitemap-grid{grid-template-columns:1fr}.search-box .button{padding:12px 10px;font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
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.adsbygoogle{display:block}.cookie-actions button{white-space:normal}