/* =====================================================================
   ERASEPEN — thème moderne, coloré, ludique et animé
   Encre bleue · corail · menthe · jaune
   ===================================================================== */
:root{
  --ink:#2E4BE6; --ink-2:#3B4DFF; --ink-deep:#1B2140;
  --coral:#FF6B5E; --coral-d:#F0523F; --teal:#17C3B2; --yellow:#FFC64B;
  --paper:#FBFBFF; --surface:#FFFFFF; --surface-2:#F3F4FE; --surface-3:#EDEFFB;
  --muted:#6B7192; --muted-2:#9AA0BF; --line:#E6E8F5; --line-2:#D9DCF0;
  --font-heading:var(--font-headings, "Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif);
  --font-body:var(--font-text, system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif);
  --content-w:1080px; --wide-w:1240px; --radius:20px; --radius-sm:14px;
  --header-h:74px;
  --shadow:0 18px 44px -22px rgba(46,75,230,.32);
  --shadow-sm:0 8px 24px -14px rgba(27,33,64,.3);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{margin:0;background:var(--paper);color:var(--ink-deep);font-family:var(--font-body);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
body.nav-open{overflow:hidden}
a{color:var(--ink);text-decoration:none;transition:color .16s}
a:hover{color:var(--coral-d)}
img{max-width:100%;height:auto;display:block}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;border-radius:0 0 10px 0;z-index:2000}
.skip-link:focus{left:0}

h1,h2,h3,h4{font-family:var(--font-heading);color:var(--ink-deep);line-height:1.16;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5vw,3.4rem)}
h2{font-size:clamp(1.55rem,3.2vw,2.15rem)}
h3{font-size:clamp(1.2rem,2.2vw,1.45rem)}
p{margin:0 0 1.15rem}
strong{font-weight:700;color:var(--ink-deep)}
em{font-style:italic}
::selection{background:rgba(255,107,94,.25)}
.wrap{max-width:var(--wide-w);margin:0 auto;padding:0 clamp(1.1rem,4vw,2rem)}

.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-body);font-weight:800;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink);background:var(--surface-3);padding:.4rem .85rem;border-radius:999px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--coral)}

/* buttons (utilisés hors corps éditorial uniquement) */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-body);font-weight:700;font-size:.95rem;padding:.8rem 1.4rem;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s}
.btn-ink{background:var(--ink);color:#fff;box-shadow:0 12px 26px -12px rgba(46,75,230,.7)}
.btn-ink:hover{transform:translateY(-2px);color:#fff;box-shadow:0 18px 34px -12px rgba(46,75,230,.8)}

/* =====================================================================
   HEADER
   ===================================================================== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(251,251,255,.82);backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.hd-inner{max-width:var(--wide-w);margin:0 auto;height:var(--header-h);display:flex;align-items:center;gap:1.2rem;padding:0 clamp(1.1rem,4vw,2rem)}
.brand{margin-right:auto;display:flex;align-items:center}
.brand img{height:38px;width:auto}
.site-nav ul{list-style:none;display:flex;align-items:center;gap:.25rem;margin:0;padding:0}
.site-nav a{font-family:var(--font-body);font-weight:600;font-size:.95rem;color:var(--ink-deep);padding:.55rem .9rem;border-radius:10px;display:inline-block;position:relative;transition:color .16s,background .16s}
.site-nav a:hover{background:var(--surface-2);color:var(--ink)}
.site-nav li.active a{color:var(--ink)}
.site-nav li.active a::after{content:"";position:absolute;left:.9rem;right:.9rem;bottom:.28rem;height:3px;border-radius:3px;background:var(--coral)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:9px;margin-left:auto}
.nav-toggle span{width:24px;height:2.5px;background:var(--ink-deep);border-radius:3px;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.nav-scrim{position:fixed;inset:0;background:rgba(27,33,64,.4);opacity:0;visibility:hidden;transition:.25s;z-index:995}
.nav-scrim.open{opacity:1;visibility:visible}
.reading-bar{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--ink),var(--coral));z-index:2000;transition:width .1s}

/* Fil d'Ariane */
.crumbs{border-bottom:1px solid var(--line);background:var(--surface)}
.crumbs-in{max-width:var(--wide-w);margin:0 auto;padding:.65rem clamp(1.1rem,4vw,2rem);font-family:var(--font-body);font-size:.82rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:.35rem;align-items:center}
.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--ink)}
.crumbs .sep{color:var(--muted-2)}
.crumbs [aria-current]{color:var(--ink-deep);font-weight:600}

/* =====================================================================
   HERO ANIMÉ (accueil)
   ===================================================================== */
.hero{position:relative;overflow:hidden;padding:clamp(3rem,7vw,5.5rem) 0 clamp(2.5rem,5vw,4rem);background:radial-gradient(1100px 520px at 78% -10%,rgba(46,75,230,.10),transparent 60%),radial-gradient(760px 500px at 6% 8%,rgba(23,195,178,.10),transparent 58%),var(--paper)}
.hero-blobs{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.hero-blobs span{position:absolute;border-radius:50%;filter:blur(6px);opacity:.5;animation:floaty 12s ease-in-out infinite}
.hero-blobs .b1{width:16px;height:16px;background:var(--coral);left:12%;top:32%;animation-delay:0s}
.hero-blobs .b2{width:10px;height:10px;background:var(--teal);left:82%;top:24%;animation-delay:1.5s}
.hero-blobs .b3{width:22px;height:22px;background:var(--yellow);left:68%;top:64%;animation-delay:.8s}
.hero-blobs .b4{width:12px;height:12px;background:var(--ink);left:26%;top:72%;animation-delay:2.2s}
.hero-blobs .b5{width:8px;height:8px;background:var(--coral);left:46%;top:16%;animation-delay:1.1s}
@keyframes floaty{0%,100%{transform:translateY(0) translateX(0)}50%{transform:translateY(-18px) translateX(8px)}}
.hero-in{position:relative;z-index:2;max-width:880px;margin:0 auto;text-align:center;padding:0 1.2rem}
.hero h1{margin:1rem 0 .3rem}
.hero .hl{position:relative;display:inline-block;color:var(--ink)}
/* trait qui s'écrit puis vague corail qui « efface » */
.hero .hl::after{content:"";position:absolute;left:0;bottom:.02em;height:.5em;width:100%;background:linear-gradient(180deg,transparent 62%,rgba(255,198,75,.55) 62%);transform-origin:left;animation:writeIn 1.1s ease forwards .3s;transform:scaleX(0)}
@keyframes writeIn{to{transform:scaleX(1)}}
.hero .lead{font-size:clamp(1.05rem,2.1vw,1.28rem);color:var(--muted);max-width:640px;margin:1rem auto 0}
.hero-in>*{opacity:0;transform:translateY(16px);animation:heroIn .8s cubic-bezier(.2,.7,.2,1) forwards}
.hero-in .eyebrow{animation-delay:.05s}.hero h1{animation-delay:.15s}.hero .lead{animation-delay:.32s}.hero-pen{animation-delay:.15s}
@keyframes heroIn{to{opacity:1;transform:none}}
/* stylo dessiné SVG animé */
.hero-pen{position:relative;z-index:2;width:min(560px,86vw);margin:1.8rem auto 0}
.hero-pen .draw{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2.2s ease forwards .5s}
@keyframes draw{to{stroke-dashoffset:0}}

/* ruban défilant (signature) */
.ribbon{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--ink);color:#fff}
.ribbon-track{display:flex;gap:2.5rem;white-space:nowrap;padding:.7rem 0;width:max-content;animation:marq 26s linear infinite;font-family:var(--font-body);font-weight:700;font-size:.9rem;letter-spacing:.04em}
.ribbon-track span{display:inline-flex;align-items:center;gap:2.5rem;opacity:.92}
.ribbon-track b{color:var(--yellow);font-weight:800}
@keyframes marq{to{transform:translateX(-50%)}}

/* =====================================================================
   SECTIONS
   ===================================================================== */
.section{padding:clamp(2.6rem,6vw,4.5rem) 0}
.section-tint{background:var(--surface-2)}
.sec-head{text-align:center;max-width:680px;margin:0 auto clamp(1.8rem,4vw,2.8rem)}
.sec-head .eyebrow{margin-bottom:.9rem}
.sec-head h2{margin:.2rem 0 .5rem}
.sec-head p{color:var(--muted)}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* =====================================================================
   CARTES (un seul <a> englobant — politique de liens Facem Web)
   ===================================================================== */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.4rem}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--ink-deep);box-shadow:var(--shadow-sm);transition:transform .22s,box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card:hover .card-media img{transform:scale(1.06)}
.card:hover .card-more{gap:.7rem;color:var(--coral-d)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-3)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card-badge{position:absolute;top:12px;left:12px;font-family:var(--font-body);font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--ink);padding:.32rem .6rem;border-radius:8px}
.card-body{padding:1.2rem 1.3rem 1.35rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.card-body h3{margin:0;font-size:1.22rem;line-height:1.25}
.card-body p{margin:0;color:var(--muted);font-size:.95rem}
.card-more{margin-top:auto;font-family:var(--font-body);font-weight:700;font-size:.88rem;color:var(--ink);display:inline-flex;align-items:center;gap:.4rem;transition:gap .2s,color .2s}
.card-more::after{content:"→"}
/* carte rubrique : accent coloré */
.card-cat{position:relative}
.card-cat .card-media{aspect-ratio:16/10;background:linear-gradient(135deg,var(--ink),var(--ink-2))}
.card-cat.c1 .card-media{background:linear-gradient(135deg,#2E4BE6,#5A6BFF)}
.card-cat.c2 .card-media{background:linear-gradient(135deg,#17C3B2,#28A0C9)}
.card-cat.c3 .card-media{background:linear-gradient(135deg,#FF6B5E,#FF9A4B)}
.card-cat .card-media .cat-emoji{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}

/* =====================================================================
   CORPS ÉDITORIAL
   ===================================================================== */
.container{max-width:var(--wide-w);margin:0 auto;padding:clamp(2rem,5vw,3.4rem) clamp(1.1rem,4vw,2rem)}
.prose{max-width:var(--content-w);margin:0 auto}
.page-hero{position:relative;overflow:hidden;padding:clamp(2.4rem,5vw,3.6rem) 0 clamp(1.4rem,3vw,2rem);text-align:center;background:radial-gradient(700px 320px at 50% -20%,rgba(46,75,230,.09),transparent 62%)}
.page-hero .eyebrow{margin-bottom:1rem}
.page-hero h1{max-width:900px;margin:0 auto}
.page-hero .sub{color:var(--muted);max-width:640px;margin:.9rem auto 0;font-size:1.06rem}

.article-body{font-size:1.06rem;line-height:1.58;color:#2b3057}
.article-body p{margin:0 0 .55rem}
.article-body>p:first-of-type{font-size:1.14rem;color:var(--ink-deep);margin-bottom:.7rem}
.dropcap>p:first-of-type::first-letter{float:left;font-family:var(--font-heading);font-size:3.5rem;line-height:.8;font-weight:700;color:var(--ink);padding:.34rem .5rem 0 0}
.article-body h2{margin:1.8rem 0 .6rem;position:relative;padding-left:1rem}
.article-body h2::before{content:"";position:absolute;left:0;top:.12em;bottom:.12em;width:5px;border-radius:5px;background:linear-gradient(180deg,var(--ink),var(--coral))}
.article-body h3{margin:1.25rem 0 .4rem;color:var(--ink)}
.article-body a{color:var(--ink);text-decoration:underline;text-decoration-color:rgba(46,75,230,.35);text-underline-offset:3px;font-weight:600}
.article-body a:hover{color:var(--coral-d);text-decoration-color:var(--coral)}
.article-body ul,.article-body ol{margin:0 0 1.3rem;padding-left:1.3rem}
.article-body li{margin:.4rem 0}
.article-body ul li::marker{color:var(--coral)}
.article-body blockquote{margin:2rem 0;padding:1.1rem 1.4rem;background:var(--surface-2);border-left:5px solid var(--ink);border-radius:0 14px 14px 0;font-family:var(--font-heading);font-size:1.15rem;font-style:italic;color:var(--ink-deep)}
.article-body img{border-radius:var(--radius-sm)}
.article-body figure{margin:2rem 0}
.article-body figcaption{font-family:var(--font-body);font-size:.85rem;color:var(--muted);margin-top:.6rem;text-align:center}
.article-body figure.ep-illus{margin:2.4rem 0}.article-body figure.ep-illus img{display:block;width:100%;height:auto;border-radius:16px;box-shadow:0 20px 44px -26px rgba(27,33,64,.42)}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4rem 0}

/* tableaux */
.article-body table,table.ep{width:100%;border-collapse:separate;border-spacing:0;margin:1.8rem 0;font-family:var(--font-body);font-size:.95rem;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.article-body th,.article-body td{padding:.85rem 1rem;text-align:left;border-bottom:1px solid var(--line)}
.article-body thead th{background:var(--ink);color:#fff;font-weight:700;border-bottom:0}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body tbody tr:nth-child(even) td{background:var(--surface-2)}
.table-scroll{overflow-x:auto}

/* encadrés éditoriaux */
.ep-key{margin:2rem 0;padding:1.3rem 1.5rem;background:linear-gradient(180deg,var(--surface-3),var(--surface));border:1px solid var(--line-2);border-radius:16px;position:relative}
.ep-key::before{content:"✦";position:absolute;top:1.15rem;right:1.3rem;color:var(--ink);opacity:.25;font-size:1.3rem}
.ep-key h4{margin:0 0 .6rem;font-family:var(--font-body);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}
.ep-key ul{margin:0;padding-left:1.1rem}
.ep-key li{margin:.35rem 0}
.ep-warn{margin:2rem 0;padding:1.2rem 1.4rem 1.2rem 3.2rem;background:#FFF6EC;border:1px solid #FFE0BD;border-radius:16px;position:relative}
.ep-warn::before{content:"!";position:absolute;left:1.1rem;top:1.15rem;width:26px;height:26px;border-radius:50%;background:var(--coral);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.ep-warn h4{margin:0 0 .35rem;font-family:var(--font-body);font-size:.95rem;color:var(--coral-d)}
.ep-warn p:last-child{margin-bottom:0}

/* FAQ */
.ep-faq{margin:1.4rem 0}
.ep-faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:.75rem;overflow:hidden;transition:border-color .2s}
.ep-faq details[open]{border-color:var(--line-2)}
.ep-faq summary{cursor:pointer;list-style:none;padding:1rem 1.2rem;font-family:var(--font-heading);font-weight:700;font-size:1.08rem;color:var(--ink-deep);display:flex;justify-content:space-between;align-items:center;gap:1rem}
.ep-faq summary::-webkit-details-marker{display:none}
.ep-faq summary::after{content:"+";font-family:var(--font-body);font-size:1.5rem;color:var(--ink);transition:transform .2s}
.ep-faq details[open] summary::after{transform:rotate(45deg);color:var(--coral)}
.ep-faq .ans{padding:0 1.2rem 1.1rem;color:#2b3057}
.ep-faq .ans p:last-child{margin-bottom:0}

/* infographies / graphiques SVG en ligne */
.ep-chart{margin:2.2rem 0;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:1.5rem 1.6rem;box-shadow:var(--shadow-sm)}
.ep-chart svg{width:100%;height:auto;display:block;font-family:var(--font-body)}
.ep-chart figcaption{font-family:var(--font-body);font-size:.82rem;color:var(--muted);margin-top:1rem;text-align:center;font-style:italic}

/* sommaire (extension sommaire-quietcms) */
.sqcms-toc{background:var(--surface-2);border:1px solid var(--line);border-left:5px solid var(--ink);border-radius:0 14px 14px 0;padding:1.1rem 1.3rem;margin:0 0 2rem;font-family:var(--font-body)}
.sqcms-toc__title,.sqcms-toc-title{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);font-weight:800;margin-bottom:.6rem}
.sqcms-toc a{color:#2b3057;text-decoration:none;font-size:.94rem}
.sqcms-toc a:hover{color:var(--ink)}
.sqcms-toc li{margin:.28rem 0}
/* sommaire maison (accueil) */
.toc-home{background:var(--surface-2);border:1px solid var(--line);border-radius:16px;padding:1.3rem 1.5rem;margin:0 0 2.4rem;columns:2;column-gap:2rem}
.toc-home .toc-t{columns:1;font-family:var(--font-body);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);font-weight:800;margin-bottom:.7rem}
.toc-home ol{margin:0;padding-left:1.1rem;font-family:var(--font-body);font-size:.95rem}
.toc-home li{margin:.3rem 0}
.toc-home a{color:#2b3057}.toc-home a:hover{color:var(--ink)}

/* =====================================================================
   ARTICLE (post)
   ===================================================================== */
.post-head{text-align:center;max-width:820px;margin:0 auto}
.post-meta{display:flex;flex-wrap:wrap;gap:.5rem 1.3rem;justify-content:center;font-family:var(--font-body);font-size:.85rem;color:var(--muted);margin-top:1rem}
.post-meta .mi{display:inline-flex;align-items:center;gap:.4rem}
.post-meta svg{width:15px;height:15px}
.post-featured{max-width:1000px;margin:1.8rem auto 0;padding:0 clamp(1.1rem,4vw,2rem)}
.post-featured img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius)}

/* =====================================================================
   LISTES (blog / rubrique)
   ===================================================================== */
.list-head{max-width:var(--content-w);margin:0 auto}
.pagination{display:flex;gap:.4rem;justify-content:center;margin:2.6rem 0 0;flex-wrap:wrap}
.pagination a,.pagination span{font-family:var(--font-body);font-weight:700;min-width:44px;text-align:center;padding:.5rem .7rem;border-radius:10px;border:1px solid var(--line);color:var(--ink-deep)}
.pagination a:hover{background:var(--surface-2);border-color:var(--line-2)}
.pagination .current{background:var(--ink);color:#fff;border-color:var(--ink)}
.pagination .gap{border:0}
.list-empty{text-align:center;color:var(--muted);padding:3rem 1rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}

/* =====================================================================
   FOOTER
   ===================================================================== */
.site-footer{border-top:1px solid var(--line);background:var(--surface);margin-top:2rem}
.ft-in{max-width:var(--wide-w);margin:0 auto;padding:clamp(2rem,4vw,3rem) clamp(1.1rem,4vw,2rem);display:flex;gap:2rem;justify-content:space-between;align-items:center;flex-wrap:wrap}
.ft-brand img{height:34px;width:auto;margin-bottom:.7rem}
.ft-brand p{color:var(--muted);font-size:.92rem;max-width:440px;margin:0}
.ft-links{display:flex;gap:1.4rem}
.ft-links a{color:var(--ink-deep);font-family:var(--font-body);font-weight:600;font-size:.92rem}
.ft-links a:hover{color:var(--coral-d)}
.ft-bottom{border-top:1px solid var(--line);text-align:center;padding:1rem;font-family:var(--font-body);font-size:.82rem;color:var(--muted-2)}

.to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s;z-index:900;box-shadow:var(--shadow-sm)}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top svg{width:22px;height:22px}
.to-top:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* formulaires QuietCMS (surcharge claire soignée) */
.qcms-form-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.7rem;margin:1.4rem 0}
.qcms-form-wrap .qcms-label{font-family:var(--font-body);font-weight:600;color:var(--ink-deep)}
.qcms-form-wrap .qcms-req{color:var(--coral)}
.qcms-form-wrap .qcms-input{width:100%;padding:.8rem 1rem;border:1.5px solid var(--line-2);border-radius:12px;font-family:var(--font-body);font-size:.95rem;background:var(--surface);color:var(--ink-deep)}
.qcms-form-wrap .qcms-input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(46,75,230,.15)}
.qcms-form-wrap .qcms-submit{background:var(--ink);color:#fff;border:0;border-radius:999px;padding:.85rem 1.7rem;font-family:var(--font-body);font-weight:700;cursor:pointer}

/* =====================================================================
   RESPONSIVE
   ===================================================================== */
@media(max-width:900px){
  .toc-home{columns:1}
  .ft-in{flex-direction:column;align-items:flex-start}
}
@media(max-width:760px){
  body{font-size:16px}
  .nav-toggle{display:flex}
  .site-nav{position:fixed;top:0;right:0;height:100dvh;width:min(80vw,320px);background:var(--surface);border-left:1px solid var(--line);transform:translateX(100%);visibility:hidden;transition:transform .28s,visibility .28s;z-index:996;padding:calc(var(--header-h) + 1rem) 1.1rem 2rem;overflow-y:auto}
  .site-nav.open{transform:none;visibility:visible;box-shadow:-20px 0 60px -30px rgba(27,33,64,.5)}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:.2rem}
  .site-nav a{padding:.85rem .8rem;border-radius:12px}
  .site-nav li.active a::after{display:none}
  .card-grid{grid-template-columns:1fr}
}
@media print{
  .site-header,.crumbs,.site-footer,.to-top,.reading-bar,.nav-scrim,.ep-faq summary::after{display:none!important}
  body{background:#fff;color:#000}
  .reveal{opacity:1!important;transform:none!important}
  a{color:#000;text-decoration:underline}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important}
  .hero .hl::after{transform:scaleX(1)!important}
  .hero-in>*{opacity:1!important;transform:none!important}
}

/* =====================================================================
   OUTILS INTERACTIFS (simulateur, calculateur)
   ===================================================================== */
.vis-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ep-tool{margin:.5rem 0 2.6rem;padding:clamp(1.2rem,3vw,2rem);border-radius:22px;background:linear-gradient(160deg,#fff, #F3F4FE);border:1px solid var(--line);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.ep-tool::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--ink),var(--teal),var(--yellow),var(--coral))}
.ep-tool-head{margin-bottom:1.4rem}
.ep-tool-tag{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-body);font-weight:800;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink);background:var(--surface-3);padding:.35rem .8rem;border-radius:999px}
.ep-tool-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--coral)}
.article-body .ep-tool-title{font-size:clamp(1.4rem,2.6vw,1.9rem);margin:.7rem 0 .4rem}
.ep-tool-sub{color:var(--muted);font-size:1rem;margin:0;max-width:62ch}
.ep-tool-note{font-size:.82rem;color:var(--muted-2);font-style:italic;margin:1.2rem 0 0}

/* --- Simulateur --- */
.ep-sim-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:1.6rem;align-items:stretch}
.ep-sim-paper{background:#fff;border:1px solid var(--line);border-radius:18px;padding:1rem;display:flex;flex-direction:column;gap:.8rem}
.ep-sim-svg{width:100%;height:auto;display:block}
#sim-ink{transition:opacity .25s ease}#sim-ghost{transition:opacity .25s ease}
.ep-sim-state{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;font-size:.9rem;color:var(--ink-deep);align-self:flex-start;background:var(--surface-2);padding:.45rem .9rem;border-radius:999px}
.ep-sim-state .dot{width:11px;height:11px;border-radius:50%;background:var(--teal);transition:background .25s}
.ep-sim-state[data-state='on'] .dot{background:var(--ink)}
.ep-sim-state[data-state='fade'] .dot{background:var(--yellow)}
.ep-sim-state[data-state='off'] .dot{background:var(--coral)}
.ep-sim-state[data-state='cold'] .dot{background:#3AD9C9}
.ep-sim-controls{background:#fff;border:1px solid var(--line);border-radius:18px;padding:1.1rem;display:flex;flex-direction:column;align-items:center;gap:.7rem}
.ep-sim-thermo{width:70px}.ep-sim-thermo svg{width:100%;height:auto}
#sim-thermo-fill,#sim-thermo-bulb{transition:y .2s,height .2s,fill .2s}
.ep-sim-readout{text-align:center}
.ep-sim-temp{display:block;font-family:var(--font-heading);font-size:1.9rem;font-weight:700;color:var(--ink-deep);line-height:1}
.ep-sim-hint{font-size:.76rem;color:var(--muted-2)}
.ep-sim-slider{width:100%}
.ep-sim-ticks{width:100%;display:flex;justify-content:space-between;font-size:.68rem;color:var(--muted-2);margin-top:-.3rem}
.ep-sim-btns{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;width:100%;margin-top:.3rem}

/* --- Boutons outils --- */
.ep-btn{font-family:var(--font-body);font-weight:700;font-size:.85rem;padding:.6rem 1rem;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,filter .15s}
.ep-btn:hover{transform:translateY(-2px)}
.ep-btn-warm{background:var(--coral);color:#fff}
.ep-btn-cold{background:var(--ink);color:#fff}

/* --- Range (curseur) --- */
input[type=range].ep-range,.ep-sim-slider input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:8px;border-radius:999px;background:linear-gradient(90deg,#2E4BE6,#17C3B2 55%,#FFC64B 74%,#FF6B5E);outline:none;margin:.4rem 0}
.ep-sim-slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;background:#fff;border:3px solid var(--ink);box-shadow:var(--shadow-sm);cursor:pointer}
.ep-sim-slider input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--ink);cursor:pointer}
.ep-sim-slider input[type=range]:focus-visible{box-shadow:0 0 0 4px rgba(46,75,230,.25)}

/* --- Calculateur --- */
.ep-calc-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:1.6rem;align-items:start}
.ep-calc-inputs{display:flex;flex-direction:column;gap:.9rem;background:#fff;border:1px solid var(--line);border-radius:18px;padding:1.2rem}
.ep-field{display:flex;flex-direction:column;gap:.35rem;font-size:.85rem;font-weight:600;color:var(--ink-deep)}
.ep-field input{font-family:var(--font-body);font-size:1rem;padding:.6rem .8rem;border:2px solid var(--line-2);border-radius:12px;background:#fff;color:var(--ink-deep);width:100%}
.ep-field input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 4px rgba(46,75,230,.12)}
.ep-calc-out{display:flex;flex-direction:column;gap:1.1rem}
.ep-calc-bars{background:#fff;border:1px solid var(--line);border-radius:18px;padding:1rem;display:flex;justify-content:center}
.ep-calc-bars svg{width:100%;max-width:340px;height:auto}
#calc-barA,#calc-barB{transition:y .3s,height .3s}
.ep-calc-cards{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.ep-calc-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:.85rem 1rem;display:flex;flex-direction:column;gap:.2rem}
.ep-calc-card.ep-calc-hi{background:linear-gradient(150deg,#EAF7F5,#E6FBF7);border-color:#B9EEE7}
.ep-calc-k{font-size:.76rem;color:var(--muted);font-weight:600}
.ep-calc-v{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;color:var(--ink-deep);line-height:1.1}
.ep-calc-hi .ep-calc-v{color:#0E9C8E}

@media (max-width:760px){
  .ep-sim-grid,.ep-calc-grid{grid-template-columns:1fr}
  .ep-calc-cards{grid-template-columns:1fr 1fr}
}