:root{--fond:#f6f3ee;--papier:#fff;--texte:#171717;--muet:#68635d;--accent:#e30613;--accent-sombre:#9f0710;--ligne:#d8d1c8;--ombre:0 14px 42px rgba(20,20,20,.12);--max:1380px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--fond);color:var(--texte);font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;line-height:1.6}body.dialog-open{overflow:hidden}a{color:inherit}img{display:block;max-width:100%}button,input,textarea{font:inherit}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:1rem;top:1rem;z-index:9999;background:#fff;padding:.7rem 1rem}
.site-header{position:relative;background:#111;color:#fff}
.hero{min-height:390px;background-image:linear-gradient(90deg,rgba(0,0,0,0),rgba(0,0,0,0)),url('../images/header/header-atelier-ptlb.png');background-size:cover;background-position:center;display:flex;align-items:flex-end}
.hero-inner{width:min(var(--max),calc(100% - 2rem));margin:auto;padding:3.6rem 0 3rem}
.eyebrow{text-transform:uppercase;letter-spacing:.2em;font-size:.78rem;font-weight:700;color:#e13630}
.hero h1{font-family:Arial,Helvetica,sans-serif;font-size:clamp(1.2rem,3vw,2.8rem);line-height:.96;max-width:1050px;margin:.35rem 0 .75rem}
.hero p{font-size:clamp(.95rem,1.9vw,1rem);max-width:760px;margin:0;color:#ece7e1}
.nav-shell{background:rgba(17,17,17,.97);border-top:1px solid rgba(255,255,255,.14);position:sticky;top:0;z-index:50}
.nav-inner{width:min(var(--max),calc(100% - 2rem));margin:auto}
.nav-top{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{font-weight:800;text-decoration:none;letter-spacing:.02em;white-space:nowrap}
.menu-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.45);color:#fff;border-radius:999px;padding:.45rem .8rem}
.main-nav{display:flex;gap:.2rem;align-items:center}
.main-nav a{padding:.7rem .9rem;text-decoration:none;border-radius:4px}
.main-nav a:hover,.main-nav a:focus-visible,.main-nav a[aria-current=page]{background:#fff;color:#111}

.header-intro{max-width:900px;margin:0;padding:0 0 1.15rem;font-size:.96rem;line-height:1.55;text-align:justify;color:rgba(255,255,255,.88)}
main{min-height:50vh}
.container{width:min(var(--max),calc(100% - 2rem));margin:auto}.section{padding:clamp(3rem,7vw,6rem) 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:2rem;margin-bottom:2rem}.section-head h2,.page-title{font-family:Arial,Helvetica,sans-serif;font-size:clamp(1rem,2vw,2rem);line-height:1.05;margin:0}.section-head p{max-width:650px;margin:0;color:var(--muet)}
.series-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.35rem}.series-card{background:var(--papier);border:1px solid var(--ligne);border-radius:4px;overflow:hidden;box-shadow:0 8px 24px rgba(30,25,20,.06);transition:transform .2s,box-shadow .2s}.series-card:hover{transform:translateY(-5px);box-shadow:var(--ombre)}.series-card a{text-decoration:none}.series-card img{aspect-ratio:1;object-fit:cover;width:100%;background:#ddd}.series-card-content{padding:1.1rem}.series-card h3{font-family:Arial,Helvetica,sans-serif;font-size:1.18rem;line-height:1.22;margin:0 0 .45rem}.series-card p{font-size:.92rem;color:var(--muet);margin:0}.series-card.empty{border:2px dashed #aaa;background:transparent;display:flex;min-height:250px;align-items:center;justify-content:center;text-align:center;color:var(--muet)}.series-card.empty strong{display:block;font-size:2.5rem;color:var(--accent);line-height:1}
.presentation{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:clamp(2rem,6vw,6rem);align-items:start}.prose{font-family:Arial,Helvetica,sans-serif;font-size:clamp(1.06rem,1.5vw,0.70rem)}.prose h2,.prose h3{font-family:Arial,Helvetica,sans-serif;line-height:1}.prose h2{font-size:clamp(2rem,4vw,3.5rem)}.prose a{color:var(--accent-sombre)}.atelier-figure{margin:0;position:sticky;top:90px}.atelier-figure img{box-shadow:var(--ombre)}.atelier-figure figcaption{color:var(--muet);font-size:.9rem;margin-top:.7rem}

.page-hero{
	background:#181818;color:white;padding:clamp(3rem,7vw,6rem) 0}
.page-hero 
p{max-width:800px;color:#d9d4ce}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin:2rem 0}
.button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:var(--accent);color:#fff;border:0;border-radius:3px     !important;padding:.75rem 1.1rem;text-decoration:none;font-weight:750;cursor:pointer}
.button:hover,.button:focus-visible{background:var(--accent-sombre)}
.button.secondary{background:#242424}
.button.ghost{background:transparent;color:var(--texte);border:1px solid var(--ligne)}
.gallery-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.25rem}
.art-card{background:#fff;border:1px solid var(--ligne);box-shadow:0 7px 22px rgba(25,20,15,.06);overflow:hidden}
.art-card-link{display:block;border:0;padding:0;width:100%;background:#e7e3dc;cursor:zoom-in;text-decoration:none}
.art-figure{margin:0}.art-card img{aspect-ratio:1;object-fit:cover;width:100%}.art-card-content{padding:1rem}
.art-card h2{font-family:Georgia,'Times New Roman',serif;font-size:1.15rem;line-height:1.25;margin:0 0 .35rem}.art-card p{font-size:.9rem;color:var(--muet);margin:0}
.art-card .art-price{font-size:1rem;font-weight:800;color:var(--texte);margin-top:.45rem}.art-card .art-shipping{font-size:.84rem;margin-top:.15rem}
.empty-gallery{background:#fff;border:1px solid var(--ligne);padding:2rem}.demo-note{background:#fff7df;border-left:5px solid #f59e0b;padding:1rem 1.2rem;margin:0 0 2rem}
.lightbox{width:min(1180px,96vw);max-height:94vh;border:0;padding:0;background:#141414;color:#fff;box-shadow:0 30px 100px rgba(0,0,0,.55)}
.lightbox::backdrop{background:rgba(0,0,0,.82)}.lightbox-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(290px,.65fr);max-height:94vh}.lightbox-media{min-height:520px;background:#050505;display:grid;place-items:center;position:relative}.lightbox-media img{max-height:86vh;max-width:100%;object-fit:contain}.lightbox-info{padding:2rem;overflow:auto}.lightbox-info h2{font-family:Arial,Helvetica,sans-serif;font-size:clamp(1.7rem,3vw,2.8rem);line-height:1.05;margin:.4rem 0 1rem}.lightbox-price{font-size:1.15rem;margin:1.3rem 0 .15rem}.lightbox-shipping{color:#d3d0cc;margin:.15rem 0}.lightbox-close{position:absolute;right:.8rem;top:.8rem;z-index:2;border:0;border-radius:50%;width:44px;height:44px;background:rgba(255,255,255,.92);font-size:1.5rem;cursor:pointer}.lightbox-arrow{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:60px;border:0;background:rgba(255,255,255,.86);font-size:2rem;cursor:pointer}.lightbox-arrow.prev{left:.5rem}.lightbox-arrow.next{right:.5rem}.lightbox-controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:.7rem;margin-top:1.5rem}.lightbox-controls .slideshow-control{grid-column:1/-1}.lightbox-controls button{display:flex;align-items:center;justify-content:center;min-height:44px;width:100%;border:1px solid #777;background:transparent;color:#fff;border-radius:3px;padding:.65rem .85rem;cursor:pointer}.lightbox-controls button:hover,.lightbox-controls button:focus-visible{background:#fff;color:#111}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}.info-card{background:#fff;border:1px solid var(--ligne);padding:1.5rem}.info-card h2{font-family:Arial,Helvetica,sans-serif}.notice{background:#fff3cd;border:1px solid #ead28c;padding:1rem 1.2rem}.legal{max-width:920px}.legal h2{margin-top:2.3rem}.legal li{margin:.35rem 0}
.site-footer{background:#171717;color:#eee;margin-top:4rem;padding:3.5rem 0 5.5rem}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:3rem}.footer-grid h2,.footer-grid h3{font-family:Arial,Helvetica,sans-serif}.footer-grid a{color:#fff}.footer-small{border-top:1px solid #444;margin-top:2rem;padding-top:1rem;color:#aaa;font-size:.9rem}.privacy-tab{position:fixed;left:50%;bottom:0;transform:translateX(-50%);z-index:60;background:#fff;color:#111;border:1px solid #bbb;border-bottom:0;border-radius:10px 10px 0 0;padding:.65rem 1.1rem;text-decoration:none;box-shadow:0 -5px 22px rgba(0,0,0,.14);font-size:.9rem;font-weight:700;white-space:nowrap}
@media(max-width:1050px){.series-grid,.gallery-grid{grid-template-columns:repeat(3,1fr)}.presentation{grid-template-columns:1fr}.atelier-figure{position:static}.lightbox-layout{grid-template-columns:1fr}.lightbox-media{min-height:45vh}.lightbox-info{max-height:42vh}}
@media(max-width:760px){.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:64px;background:#171717;padding:1rem;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{border-radius:4px}.series-grid,.gallery-grid,.cards-3{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.hero{min-height:330px}.section-head{display:block}.section-head p{margin-top:1rem}.lightbox{width:100vw;max-height:100vh;height:100vh}.lightbox-layout{max-height:100vh;height:100vh}.lightbox-media{min-height:45vh}.lightbox-info{max-height:none}.lightbox-arrow{width:42px}.privacy-tab{font-size:.78rem}}
@media(max-width:480px){.series-grid,.gallery-grid{grid-template-columns:1fr}.hero-inner,.container,.nav-inner{width:min(100% - 1.2rem,var(--max))}.hero h1{font-size:2.55rem}.lightbox-info{padding:1.2rem}.series-card.empty{min-height:150px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Version 3 : pages individuelles indexables */
.artwork-page{padding:clamp(2.5rem,6vw,5.5rem) 0}.artwork-shell{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.65fr);gap:clamp(2rem,6vw,5rem);align-items:start}.artwork-figure{margin:0;background:#e5e0d9}.artwork-figure img{width:100%;aspect-ratio:1;object-fit:contain;background:#e5e0d9}.artwork-summary{position:sticky;top:92px}.artwork-summary h1{font-family:Arial,Helvetica,sans-serif;font-size:clamp(1.8rem,3vw,3.4rem);line-height:1.02;margin:.5rem 0 1.2rem}.artwork-summary .artwork-price{font-size:1.35rem;font-weight:800;margin:.6rem 0 .1rem}.artwork-summary .artwork-shipping{color:var(--muet);margin:0 0 1.5rem}.artwork-links{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.5rem}.seo-content{margin-top:2rem;border-top:1px solid var(--ligne);padding-top:1.4rem}.seo-content summary{cursor:pointer;font-weight:800}.seo-content p{color:var(--muet)}.artwork-neighbours{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:2rem}.artwork-neighbours a{text-decoration:none;border:1px solid var(--ligne);background:#fff;padding:1rem}.artwork-neighbours a:last-child{text-align:right}.artwork-neighbours small{display:block;color:var(--muet)}

.series-gallery-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin: 40px 0 30px;
}

@media(max-width:900px){.artwork-shell{grid-template-columns:1fr}.artwork-summary{position:static}}
@media(max-width:560px){.artwork-neighbours{grid-template-columns:1fr}.artwork-neighbours a:last-child{text-align:left}}