/*
Theme Name: Atelier3DFacile — L'atelier
Author: FranceWebEdition
Description: Un thème éditorial original, léger et accessible pour Atelier3DFacile.
Version: 1.0.1
Requires PHP: 8.0
Text Domain: atelier3d-facile
*/
:root{--paper:#f7f6f0;--white:#fff;--ink:#182c3d;--muted:#536575;--blue:#254b68;--deep:#17384f;--accent:#c9502c;--line:#d9dfdf;--pale:#eaf0ef;--radius:14px;--max:1220px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--blue);text-underline-offset:4px}a:hover{color:var(--accent)}img,svg{max-width:100%;height:auto}button,input,select{font:inherit}button,a,input,summary{touch-action:manipulation}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.13;font-weight:600;letter-spacing:-.035em}h1,h2,.display{font-family:Georgia,"Times New Roman",serif;font-weight:400}h1{font-size:clamp(2.4rem,5.7vw,5.2rem)}h2{font-size:clamp(2rem,3.8vw,3.3rem)}h3{font-size:1.35rem;line-height:1.25}.wrap{width:min(var(--max),calc(100% - 80px));margin:auto}.skip-link{position:absolute;left:16px;top:-100px;background:var(--ink);color:white;z-index:1000;padding:12px}.skip-link:focus{top:12px}.eyebrow{font:600 11px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.13em;text-transform:uppercase}.muted{color:var(--muted)}.site-header{border-bottom:1px solid var(--line);background:var(--paper)}.header-inner{min-height:108px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;flex-shrink:0}.brand svg{width:43px;height:48px}.brand-name{font-size:21px;font-weight:750;letter-spacing:-.06em;line-height:1.2}.brand-name span{color:var(--accent)}.brand-tag{font:10px/1.6 ui-monospace,Consolas,monospace;letter-spacing:.08em;color:var(--muted)}.main-nav{display:flex;gap:25px;align-items:center;font-size:13px;font-weight:600}.main-nav a{color:var(--ink);text-decoration:none}.main-nav a:hover,.main-nav a[aria-current=page]{color:var(--accent)}.main-nav .nav-tool{border:1px solid var(--line);padding:10px 14px;border-radius:7px}.menu-toggle{display:none;border:1px solid var(--line);background:transparent;border-radius:7px;padding:7px 13px;color:var(--ink)}
.hero{padding:70px 0 58px}.hero-grid{display:grid;grid-template-columns:1.07fr 1fr;gap:65px;align-items:center}.hero .eyebrow{color:var(--accent);margin-bottom:24px}.hero h1{max-width:650px;margin-bottom:25px}.hero h1 em{font-weight:400;color:var(--blue)}.hero-copy{font-size:18px;color:var(--muted);max-width:520px;margin-bottom:29px}.actions{display:flex;gap:18px;flex-wrap:wrap;align-items:center}.button{display:inline-flex;gap:20px;justify-content:space-between;align-items:center;background:var(--deep);border:1px solid var(--deep);color:white;text-decoration:none;padding:14px 21px;border-radius:6px;font-size:14px;font-weight:650;line-height:1.4;cursor:pointer}.button:hover{background:#285873;color:white}.button.light{background:var(--white);color:var(--ink);border-color:var(--line)}.text-link{font-size:14px;font-weight:650;color:var(--ink)}.hero-foot{font-size:12px;color:var(--muted);margin:24px 0 0}.artboard{position:relative;overflow:hidden;border:1px solid #cbd7d8;background:#e7edeb;border-radius:18px}.artboard-head{display:flex;justify-content:space-between;padding:19px 22px;border-bottom:1px solid #cbd7d8;font:10px/1.5 ui-monospace,Consolas,monospace;letter-spacing:.08em}.artboard svg{display:block;width:100%;aspect-ratio:1.15}.artboard-bottom{padding:15px 22px;border-top:1px solid #cbd7d8;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted)}.artboard-bottom strong{font-weight:650;color:var(--ink)}.trust-line{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);padding:23px 0;gap:20px;font-size:13px}.trust-line span{display:flex;align-items:center;gap:11px}.trust-line b{font:14px ui-monospace,Consolas,monospace;color:var(--accent)}
.section{padding:78px 0}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px}.section-heading h2{margin:10px 0 0;max-width:690px}.section-heading>p{max-width:330px;font-size:14px;color:var(--muted);margin:0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{position:relative;display:flex;flex-direction:column;align-items:flex-start;background:var(--white);border:1px solid var(--line);padding:28px;border-radius:var(--radius)}.card-number{font:12px ui-monospace,Consolas,monospace;color:var(--accent);margin-bottom:30px}.card h3{margin-bottom:14px}.card p{font-size:14px;color:var(--muted);margin-bottom:25px}.card a{margin-top:auto;font-size:13px;font-weight:650;color:var(--ink);text-decoration:none}.card a:hover{color:var(--accent)}.card-visual{height:150px;width:100%;border-radius:8px;margin-bottom:22px;background:var(--pale);display:flex;align-items:center;justify-content:center}.card-visual svg{height:125px;width:190px}.card small{font:10px ui-monospace,Consolas,monospace;color:var(--muted);margin-bottom:14px;letter-spacing:.06em}.tool-banner{border-radius:var(--radius);background:var(--deep);color:var(--white);display:grid;grid-template-columns:1.35fr .8fr;gap:65px;padding:48px}.tool-banner h2{font-size:clamp(2rem,3.2vw,3rem);margin:17px 0 20px}.tool-banner p{color:#d3dfe3;max-width:610px;font-size:15px}.tool-banner .eyebrow{color:#f3b49d}.tool-banner .button{margin-top:10px;background:#f4e9dd;border-color:#f4e9dd;color:var(--ink)}.calculation-sample{border:1px solid #648090;border-radius:10px;padding:25px;align-self:center}.calculation-sample dl{margin:0}.calculation-sample dl div{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid #4a697d;padding:9px 0;font-size:12px}.calculation-sample dt,.calculation-sample dd{margin:0}.calculation-sample .total{font:37px Georgia,serif;margin:14px 0 4px}.calculation-sample small{font-size:10px;color:#cfdbdf}.editorial-block{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:start}.editorial-block h2{margin-top:14px}.principles{counter-reset:principle}.principle{display:grid;grid-template-columns:40px 1fr;border-top:1px solid var(--line);padding:23px 0;gap:14px}.principle:before{counter-increment:principle;content:"0" counter(principle);font:12px ui-monospace,Consolas,monospace;color:var(--accent);padding-top:7px}.principle h3{font-size:17px;letter-spacing:-.02em;margin:0 0 9px}.principle p{font-size:14px;color:var(--muted);margin:0}.universe-strip{display:grid;grid-template-columns:1fr 1fr;gap:28px;background:#ecece2;border-radius:var(--radius);padding:37px}.universe-strip p{margin-bottom:0;font-size:14px;color:var(--muted)}.universe-strip h3{font-size:22px;margin-bottom:13px}.universe-strip .eyebrow{margin-bottom:14px;color:var(--accent)}
.site-footer{background:#e9eeec;border-top:1px solid #cfd8d6;padding:48px 0 20px}.footer-top{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:55px}.footer-top p{font-size:13px;color:var(--muted);max-width:310px;margin-top:20px}.footer-top ul{list-style:none;padding:0;margin:13px 0 0}.footer-top li{margin:7px 0;font-size:13px}.footer-top a{color:var(--ink);text-decoration:none}.footer-top .eyebrow{color:var(--muted)}.footer-bottom{border-top:1px solid #cfd8d6;padding-top:19px;margin-top:37px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:11px}.footer-bottom a{color:inherit}.breadcrumb{font-size:12px;color:var(--muted);padding:25px 0}.breadcrumb a{color:inherit}.article-shell{display:grid;grid-template-columns:minmax(0,800px) 260px;gap:70px;align-items:start;padding-bottom:80px}.article-header{padding:18px 0 30px}.article-header h1{font-size:clamp(2.5rem,4.6vw,4rem);margin:14px 0 20px}.article-header .intro{font-size:20px;color:var(--muted);line-height:1.6}.article-meta{font-size:11px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}.article-meta span+span:before{content:"·";margin-right:12px}.article-content{font-size:17px;line-height:1.85}.article-content h2{font-size:32px;line-height:1.2;margin:42px 0 20px}.article-content h3{font-size:21px;margin:28px 0 14px}.article-content ul,.article-content ol{padding-left:22px}.article-content li{padding-left:5px;margin-bottom:9px}.article-content .note{background:#eaf0ef;border-left:3px solid var(--blue);padding:21px 25px;margin:25px 0;font-size:15px;border-radius:0 8px 8px 0}.article-content .source-list{font-size:13px;padding:24px;background:#ecefe9;border-radius:10px;margin-top:35px}.article-content .source-list h2{font:600 15px system-ui;letter-spacing:0;margin:0 0 15px}.article-content .table-wrap{overflow:auto;margin:26px 0}.article-content table{border-collapse:collapse;width:100%;font-size:14px;background:#fff;min-width:480px}.article-content td,.article-content th{border-bottom:1px solid var(--line);padding:14px;text-align:left;vertical-align:top}.article-content th{background:var(--pale);font-weight:650}.article-content details{border:1px solid var(--line);border-radius:8px;margin:13px 0;padding:18px;background:white}.article-content summary{cursor:pointer;font-weight:650;font-size:16px}.article-content details p{margin:15px 0 0;font-size:15px}.article-aside{position:sticky;top:35px;border:1px solid var(--line);padding:25px;border-radius:10px;margin-top:30px;background:white;font-size:13px}.article-aside h2{font:600 16px system-ui;letter-spacing:0;margin-bottom:18px}.article-aside a{display:block;margin:13px 0;color:var(--ink);text-decoration:none}.article-aside p{font-size:12px;color:var(--muted)}.article-content .button{line-height:1.5}.calculator{background:white;border:1px solid #cad7d9;border-radius:14px;padding:28px;margin:28px 0}.calculator fieldset{border:0;padding:0;margin:0}.calculator legend{font-weight:650;margin-bottom:18px;font-size:17px}.calc-fields{display:grid;grid-template-columns:1fr 1fr;gap:17px}.calc-field label{display:block;font-size:12px;font-weight:650;margin-bottom:7px;line-height:1.5}.calc-field input{width:100%;min-width:0;border:1px solid #bac9cf;border-radius:5px;padding:10px 12px;color:var(--ink);background:#fafbf9;font-size:16px}.calculator small{font-size:12px;color:var(--muted);line-height:1.55;display:block;margin:17px 0}.calculator button{margin-top:18px}.calc-result{background:#eaf0ef;padding:24px;border-radius:8px;margin-top:23px}.calc-result h3{font:30px Georgia,serif;margin:0 0 15px}.calc-result dl{margin:0}.calc-result dl div{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #cdd9d6;padding:7px 0;font-size:13px}.calc-result dd{margin:0;font-weight:650}.calc-error{color:#9e3520;font-size:14px;margin-top:20px}.print-button{background:transparent;border:1px solid var(--line);border-radius:6px;padding:9px 14px;color:var(--ink);font-size:13px;cursor:pointer}.error-page{padding:80px 0 120px;max-width:800px}.search-form{display:flex;gap:10px;margin:25px 0}.search-form input{padding:12px;border:1px solid var(--line);border-radius:7px;min-width:0;width:100%}.site-main{min-height:50vh}blockquote{border-left:3px solid var(--accent);padding-left:25px;margin-left:0;color:var(--muted)}
@media(min-width:1600px){.hero{padding-top:95px;padding-bottom:75px}}
@media(max-width:1050px){.wrap{width:calc(100% - 48px)}.main-nav{gap:15px;font-size:12px}.header-inner{gap:20px}.hero-grid{gap:32px}.hero h1{font-size:4rem}.article-shell{grid-template-columns:minmax(0,1fr) 220px;gap:35px}.tool-banner{gap:35px;padding:35px}.editorial-block{gap:45px}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:86px;flex-wrap:wrap;gap:0;padding:17px 0}.brand svg{width:33px;height:38px}.brand-name{font-size:20px}.brand-tag{font-size:8px}.menu-toggle{display:block}.main-nav{width:100%;display:flex;flex-wrap:wrap;gap:12px 18px;padding-top:18px;font-size:12px}.js .main-nav[data-collapsible]{display:none}.js .main-nav[data-open=true]{display:flex}.main-nav .nav-tool{padding:7px 10px}.hero{padding:38px 0}.hero-grid{grid-template-columns:1fr;gap:32px}.hero h1{font-size:3.3rem;max-width:590px}.hero .eyebrow{font-size:10px;margin-bottom:18px}.hero-copy{font-size:16px}.hero-foot{font-size:11px}.hero .actions{gap:16px}.button{font-size:13px;padding:13px 17px}.hero .artboard{max-width:550px}.artboard svg{aspect-ratio:1.35}.artboard-head{padding:14px 18px;font-size:9px}.artboard-bottom{padding:12px 18px;font-size:10px}.trust-line{grid-template-columns:1fr;gap:11px;padding:19px 0;font-size:12px}.section{padding:49px 0}.section-heading{display:block;margin-bottom:25px}.section-heading>p{margin-top:18px}.section-heading h2{font-size:2.2rem}.cards{grid-template-columns:1fr;gap:15px}.card{padding:25px}.card-number{margin-bottom:20px}.card p{font-size:14px}.card-visual{height:150px}.tool-banner{grid-template-columns:1fr;gap:25px;padding:29px 24px}.tool-banner h2{font-size:2.25rem}.calculation-sample{padding:21px}.editorial-block{grid-template-columns:1fr;gap:14px}.editorial-block h2{font-size:2.2rem}.universe-strip{grid-template-columns:1fr;gap:25px;padding:26px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-top>div:first-child{grid-column:1/-1}.footer-bottom{display:block;font-size:10px}.footer-bottom p{margin:8px 0}.article-shell{grid-template-columns:1fr;gap:5px;padding-bottom:45px}.article-aside{position:static;margin-top:15px}.article-header{padding-top:8px}.article-header h1{font-size:2.6rem}.article-header .intro{font-size:18px}.article-content{font-size:16px}.article-content h2{font-size:28px}.article-content .note{padding:18px}.calculator{padding:21px 17px}.calc-fields{grid-template-columns:1fr}.calc-result{padding:19px 15px}.breadcrumb{font-size:11px;padding:19px 0}.source-list a{overflow-wrap:anywhere}.article-content table{font-size:13px}}
.article-shell>article,.article-content{min-width:0}
@media(max-width:760px){.article-shell{grid-template-columns:minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{body{background:white;color:#111;font-size:11pt}.site-header,.site-footer,.article-aside,.menu-toggle,.breadcrumb,.print-button,.calculator button,.skip-link{display:none!important}.wrap{width:100%;max-width:100%}.article-shell{display:block;padding:0}.article-header h1{font-size:26pt}.article-content h2{font-size:18pt}.calculator,.note{break-inside:avoid;border:1px solid #aaa}a{color:#111}.article-content .table-wrap{overflow:visible}}