:root{--navy:#082b50;--blue:#0078ed;--light:#f3f6fa;--line:#dce4ee}*{box-sizing:border-box}body{margin:0;color:var(--navy);font:16px/1.6 Arial,Helvetica,sans-serif}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}header{height:110px;padding:10px 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:white}.brand img{width:158px;height:90px;object-fit:contain}nav{display:flex;align-items:center;gap:32px}nav a{font-size:14px;color:var(--navy)}.cart{background:var(--light);padding:12px 18px;border-radius:5px}#count{background:var(--navy);color:white;padding:3px 7px;border-radius:20px;margin-left:7px}.hero{background:linear-gradient(90deg,rgba(4,25,47,.88),rgba(4,25,47,.18)),url('hero.webp') center/cover;color:white;min-height:520px;display:flex;align-items:center}.wrap{width:1200px;max-width:90%;margin:auto;padding:50px 0}.hero h1{font-size:52px;line-height:1.14;letter-spacing:-1.8px;max-width:760px}.hero em{font-style:normal;color:#37a9ff}.hero p{font-size:18px}.eyebrow{font-size:12px!important;font-weight:700;letter-spacing:2px}.search{display:flex;max-width:680px;margin:28px 0 18px;gap:6px;padding:6px;background:white;border-radius:6px}.search input{border:0;min-width:0;flex:1}.white{color:white}button,.button{border:1px solid var(--navy);background:var(--navy);color:white;border-radius:4px;padding:13px 19px;font:600 14px Arial;cursor:pointer;display:inline-block;text-align:center}button:hover,.button:hover{background:#075792;color:white;text-decoration:none}button:disabled{opacity:.5;cursor:not-allowed}.secondary{background:white;color:var(--navy);border-color:var(--line)}input,select,textarea{font:16px Arial;padding:13px;border:1px solid #c7d3e2;border-radius:4px;color:var(--navy);background:white}input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid #66b7ff;outline-offset:3px}.benefits{display:flex;justify-content:space-evenly;background:var(--light);padding:24px 5%;font-size:14px;font-weight:bold;gap:20px}main{max-width:1200px;margin:45px auto;padding:0 25px;min-height:45vh}h1{font-size:36px;line-height:1.2;letter-spacing:-1px}h2{font-size:30px;line-height:1.3;letter-spacing:-.5px}.section-head{display:flex;justify-content:space-between;align-items:center;margin:30px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{border:1px solid var(--line);border-radius:7px;padding:16px;background:white;transition:box-shadow .2s}.card:hover{box-shadow:0 8px 24px #092a5010}.card img{width:100%;height:155px;object-fit:contain;background:linear-gradient(145deg,#f8fafc,#edf1f5);border-radius:4px}.card h3{margin:16px 0 6px;font-size:19px}.card p{margin:4px 0;font-size:14px}.card .button{display:block;margin-top:17px}.approach{display:grid;grid-template-columns:1fr 1fr;gap:75px;margin-top:70px;padding:40px;background:var(--light);border-radius:8px}.approach ol{padding-left:20px}.approach li{margin-bottom:18px}.approach li p{margin:4px 0}.banner{background:var(--navy);color:white;padding:35px max(5%,calc((100% - 1150px)/2))}.banner h1{margin:12px 0}.filters{display:flex;align-items:end;gap:15px}.filters label:first-child{flex:1}.filters label{font-size:13px}label{display:block;font-weight:600}label input,label select,label textarea{display:block;width:100%;margin-top:6px;font-weight:400}.product{display:grid;grid-template-columns:1fr 1.2fr;gap:50px}.product h1{font-size:30px}.product-visual{background:var(--light);border-radius:7px;align-self:start;padding:30px;text-align:center}.product-visual img{width:100%;height:300px}.product-visual small{font-size:12px;color:#657487}.lead{font-size:20px}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:11px 8px}th{font-weight:400;color:#596c83}.buy{display:flex;align-items:end;gap:15px}.buy input{width:100px}.buy label{font-size:13px}.note{border-left:3px solid #e8b450;padding:12px;background:#fff9ed;font-size:13px}.info{background:var(--light);padding:25px;margin-top:40px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:30px 0}textarea{width:100%}.actions{display:flex;gap:12px;margin-top:20px}.muted{color:#68788b;font-size:13px}.cart-row{display:grid;grid-template-columns:1fr 1fr 100px 100px;align-items:center;gap:20px;border-bottom:1px solid var(--line);padding:20px 0}.cart-row input{width:100%}.cart-row button{font-size:12px}.breadcrumb{font-size:13px;margin-bottom:25px}footer{padding:35px 5%;display:flex;justify-content:space-between;gap:20px;background:var(--navy);color:white;font-size:13px}footer a{color:white}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--navy);color:white;padding:12px 24px;border-radius:6px;display:none;box-shadow:0 6px 30px #0003}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}@media(max-width:750px){header{height:auto;gap:8px;padding:10px 4%}.brand img{width:100px;height:70px}nav{gap:12px;flex-wrap:wrap;justify-content:flex-end}nav a{font-size:12px}nav a:nth-child(2){display:none}.cart{padding:8px}.hero{min-height:480px;background-position:65% center}.hero h1{font-size:36px}.hero p{font-size:16px}.search{flex-wrap:wrap}.search input{width:100%;flex-basis:100%}.search button{width:100%}.benefits{display:grid;grid-template-columns:1fr 1fr;font-size:12px}.grid{grid-template-columns:repeat(2,1fr);gap:12px}.card{padding:12px}.card h3{font-size:15px}.card img{height:115px}.card .button{padding:12px 5px;font-size:12px}.section-head{display:block}.approach,.product{grid-template-columns:1fr;gap:25px}.approach{padding:22px}.filters{flex-wrap:wrap}.filters label:first-child{flex-basis:100%}.filters label{flex:1}.filters button{width:100%}.product-visual img{height:210px}.product h1{font-size:25px}.form-grid{grid-template-columns:1fr}.cart-row{grid-template-columns:1fr 90px;gap:10px}.actions,footer{flex-direction:column}main{padding:0 18px}.banner h1{font-size:29px}.buy{flex-wrap:wrap}h2{font-size:26px}}@media(max-width:380px){.grid{grid-template-columns:1fr}}
/* V2 : vues dimensionnelles et guide matières */
.gallery{align-self:start;min-width:0}.gallery>a:first-child{display:block;border:1px solid var(--line);border-radius:8px;background:#f9f9f9}.gallery #product-image{display:block;width:100%;height:350px;object-fit:contain}.thumbnails{display:flex;gap:12px;margin:18px 0}.thumb{width:120px;padding:7px;background:white;color:var(--navy);border:1px solid var(--line)}.thumb img{width:100%;height:70px;object-fit:contain}.thumb span{display:block;font-size:12px}.thumb.selected{border:2px solid var(--blue);background:#f0f7ff}.thumb:hover{background:#e9f3ff;color:var(--navy)}.product th{width:43%}.material-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.material-card{padding:24px;border:1px solid var(--line);border-radius:8px;scroll-margin-top:25px}.material-title{display:flex;justify-content:space-between;align-items:center;gap:8px}.material-title h2{margin:0}.material-title span{font-size:12px;background:var(--light);padding:5px 8px;border-radius:5px}.material-card p{font-size:14px}.material-card dl{font-size:13px;display:grid;grid-template-columns:1fr 1fr;gap:8px}.material-card dt{color:#54657a}.material-card dd{margin:0;font-weight:bold}.material-card summary{cursor:pointer;font-size:13px;color:var(--blue)}.material-card:target{border:2px solid var(--blue)}.table-scroll{overflow:auto}.info{scroll-margin-top:20px}nav{gap:22px}.card img{background:#f9f9f9;object-fit:contain}.benefits a{color:var(--navy)}@media(max-width:900px){.material-grid{grid-template-columns:repeat(2,minmax(0,1fr))}nav{gap:10px}}@media(max-width:750px){nav a:nth-child(2){display:inline}header{align-items:center}.brand img{width:90px}nav{gap:7px;max-width:260px}.gallery #product-image{height:290px}.material-grid{grid-template-columns:1fr}.product h1{overflow-wrap:anywhere}.filters{align-items:stretch}.filters a{width:100%}.material-card{padding:20px}}
/* V3 — navigation par gamme */
.ranges{margin:15px 0 65px}.family-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:22px}.family-card{grid-column:span 2;border:1px solid var(--line);border-radius:8px;background:#f5f7fa;overflow:hidden;display:flex;flex-direction:column;color:var(--navy)}.family-card:nth-last-child(-n+2){grid-column:span 3}.family-card:hover{box-shadow:0 9px 26px #082b5015;text-decoration:none;border-color:#8bbced}.family-card img{width:100%;height:210px;object-fit:contain;background:#f9f9f9}.family-card div{padding:22px}.family-card h3{font-size:22px;line-height:1.2;margin:0 0 9px}.family-card p{margin:0 0 13px;font-size:15px}.family-card strong{font-size:14px;color:var(--blue)}.range-hero{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}.range-hero figure{margin:0}.range-hero img{width:100%;border-radius:8px;max-height:420px;object-fit:contain}.range-hero figcaption{font-size:12px;color:#61758e}.range-details{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.range-details .info{margin-top:35px}.range-details h2{font-size:22px}.solutions-benefits small{display:block;font-size:12px;font-weight:400}.dimension-panel{margin-top:20px;padding:18px;background:var(--light);border-radius:6px}.dimension-panel summary{cursor:pointer;font-weight:bold}.dimension-panel .filters{margin-top:15px}.dimension-panel .filters label{flex:1}header nav{flex-wrap:wrap;justify-content:flex-end}@media(max-width:750px){.family-grid{grid-template-columns:1fr}.family-card,.family-card:nth-last-child(-n+2){grid-column:auto}.family-card img{height:210px}.range-hero,.range-details{grid-template-columns:1fr;gap:15px}.range-hero h1{font-size:32px}.range-details .info{margin-top:12px}.solutions-benefits{gap:16px}header nav a{font-size:11px}header nav{max-width:270px}.dimension-panel .filters{display:block}.dimension-panel label+label{margin-top:14px}}
/* V4 — vues compactes et fiches matière individuelles */
.hero{min-height:380px}.wrap{padding:32px 0}.hero h1{font-size:44px}.family-card img{height:135px;padding:12px}.family-card div{padding:17px}.family-card h3{font-size:20px}.family-card:nth-last-child(-n+2) img{height:135px}.card img{height:105px;padding:10px}.gallery #product-image{height:250px;padding:20px}.gallery:has(.thumb.selected:nth-child(2)) #product-image{height:360px;padding:5px}.thumb{width:95px}.thumb img{height:52px}.range-hero img{max-height:270px}.material-list{border:1px solid var(--line);border-radius:8px;overflow:hidden}.material-row,.material-list-head{display:grid;grid-template-columns:120px 150px 1fr 120px;gap:20px;align-items:center;padding:15px 20px}.material-list-head{background:var(--navy);color:white;font-size:13px;font-weight:bold}.material-row{color:var(--navy);border-bottom:1px solid var(--line);font-size:14px;scroll-margin-top:20px}.material-row:last-child{border:0}.material-row:hover{background:#edf6ff;text-decoration:none}.material-row:target{background:#edf6ff}.material-row strong,.material-open{color:var(--blue)}.material-open{font-size:13px}.material-detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:35px}.material-detail-grid aside{align-self:start;margin-top:24px}.material-detail details{margin-top:20px}.material-detail summary{color:var(--blue);cursor:pointer}.related-products{list-style:none;padding:0}.related-products li{display:flex;gap:25px;padding:12px 0;border-bottom:1px solid var(--line)}@media(max-width:750px){.hero{min-height:360px}.hero h1{font-size:33px}.family-card{display:grid;grid-template-columns:115px 1fr;align-items:center}.family-card img,.family-card:nth-last-child(-n+2) img{height:115px;padding:8px}.family-card div{padding:14px}.family-card h3{font-size:18px}.family-card p{font-size:13px}.family-card strong{font-size:12px}.family-grid{gap:13px}.card img{height:80px;padding:8px}.card h3{font-size:13px}.gallery #product-image{height:200px;padding:16px}.gallery:has(.thumb.selected:nth-child(2)) #product-image{height:270px;padding:4px}.range-hero img{max-height:220px}.material-row,.material-list-head{grid-template-columns:75px 1fr 85px;gap:9px;padding:13px 12px;font-size:13px}.material-row .material-standard,.material-list-head span:nth-child(3){display:none}.material-open{font-size:11px}.material-detail-grid{grid-template-columns:1fr;gap:10px}.material-detail h1{font-size:30px}.related-products li{flex-wrap:wrap;gap:5px 20px}}

/* V5 — cartes "Nos solutions" : grandes images pleine largeur */
.family-grid{gap:24px}
.family-card{display:flex;flex-direction:column;align-items:stretch;background:#f9f9f9;border-color:#e4e9f0}
.family-card img,.family-card:nth-last-child(-n+2) img{display:block;width:100%;height:230px;padding:14px 14px 0;object-fit:contain;background:#f9f9f9}
.family-card img[src*="bagues-bs"],.family-card img[src*="joints-cem"]{padding:0;object-fit:cover}
.family-card img[src*="plan"]{padding:18px;object-fit:contain;background:#fff}
.family-card div{padding:20px 22px 22px;background:#f9f9f9}
.family-card h3{font-size:23px;margin-bottom:8px}
.family-card strong{font-size:15px}
@media(max-width:900px){.family-card img,.family-card:nth-last-child(-n+2) img{height:200px}}
@media(max-width:750px){
.family-grid{gap:16px}
.family-card,.family-card:nth-last-child(-n+2){display:flex;flex-direction:column;align-items:stretch;grid-column:auto}
.family-card img,.family-card:nth-last-child(-n+2) img{height:190px}
.family-card div{padding:16px 18px 18px}
.family-card h3{font-size:20px}.family-card p{font-size:14px}.family-card strong{font-size:14px}}

/* V6 — accueil : cartes "Nos solutions" sur une seule ligne (maquette) */
.family-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.family-card,.family-card:nth-last-child(-n+2){grid-column:auto}
.family-card img,.family-card:nth-last-child(-n+2) img{height:175px;padding:12px 12px 0}
.family-card img[src*="bagues-bs"],.family-card img[src*="joints-cem"]{padding:0}
.family-card img[src*="plan"]{padding:12px}
.family-card div{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.family-card h3{font-size:19px;line-height:1.2;margin:0 0 6px}
.family-card p{font-size:14px;line-height:1.4;margin:0 0 12px}
.family-card strong{margin-top:auto;font-size:14px}
@media(max-width:1000px){
.family-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;padding-bottom:10px;-webkit-overflow-scrolling:touch}
.family-card,.family-card:nth-last-child(-n+2){flex:0 0 31%;scroll-snap-align:start}}
@media(max-width:750px){
.family-card,.family-card:nth-last-child(-n+2){flex:0 0 72%}
.family-card img,.family-card:nth-last-child(-n+2) img{height:165px}}
.family-card strong{font-size:13.5px}

/* V7 — bague BS : photo produit sur fond blanc */
.family-card img[src*="bagues-bs"]{padding:12px;object-fit:contain;background:#fff}

/* V8 — choix validés : images d'accueil plein cadre ; page matières en cartes famille / norme */
.family-card img[src*="joint-dimensions"],.family-card img[src*="thumbs/plan"]{padding:0;object-fit:cover;background:#f9f9f9}
.range-hero img[src*="pieces-sur-plan"]{object-fit:contain;border:1px solid var(--line)}
.mat-legend{font-size:13px;color:#61758e;margin:0 0 14px}
.mat-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}
.mat-card{border:1px solid var(--line);border-radius:8px;padding:18px 20px;background:#fff;min-width:0}
.mat-card header{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin:0 0 4px;padding:0;border:0;position:static;background:none;height:auto;min-height:0}
.mat-card h2{margin:0;font-size:21px;color:var(--navy)}
.mat-card .count{font-size:12px;color:#61758e}
.mat-card .desc{margin:0 0 12px;font-size:13px;color:#61758e;line-height:1.45}
.std-row{border-top:1px solid var(--line);padding:10px 0 4px}
.std-name{font-size:12px;font-weight:bold;color:var(--navy);margin-bottom:7px}
.codes{display:flex;flex-wrap:wrap;gap:7px}
.mat-pill{font:700 14px/1 ui-monospace,Menlo,Consolas,monospace;border:1px solid #b9d6f5;background:#edf6ff;color:var(--navy);padding:6px 10px;border-radius:6px}
.mat-pill:hover{border-color:var(--blue);text-decoration:none;background:#dceeff}
.mat-pill i{font:400 11px Arial;color:#61758e;margin-left:5px}
@media(max-width:900px){.mat-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.mat-cards{grid-template-columns:1fr}}

/* V9 — sélecteur de langue */
header nav a.lang{border:1px solid var(--line);border-radius:4px;padding:5px 9px;font-size:12px;font-weight:bold;letter-spacing:.05em;color:var(--navy)}
header nav a.lang:hover{border-color:var(--blue);text-decoration:none}
.more{display:block;margin:24px auto 0;max-width:420px}
.tag{display:inline-block;font-size:11px;padding:1px 7px;border-radius:10px;background:#fff4dd;color:#8a5a00;margin-left:6px;vertical-align:middle}

/* V16 — recherche par plages de dimensions */
.range-filters{display:flex;flex-wrap:wrap;gap:16px}
.range-filters fieldset{border:1px solid #d6dbe1;border-radius:8px;padding:10px 14px 14px;margin:0;display:flex;gap:12px;flex:1 1 260px;min-width:0}
.range-filters legend{font-weight:600;padding:0 6px}
.range-filters label{flex:1 1 0;min-width:0}
.range-filters input{width:100%;box-sizing:border-box}
.range-filters input.invalid{border-color:#c0392b;background:#fff5f4}
.dimension-panel .range-filters label+label{margin-top:0}.range-filters label:first-child{flex:1 1 0}
@media(max-width:750px){.dimension-panel .range-filters{display:flex;flex-direction:column;gap:14px}.range-filters fieldset{flex:none;padding:8px 12px 12px}}

.seo-material-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.65rem;list-style:none;padding:0}.seo-pagination{display:flex;gap:.5rem;flex-wrap:wrap;margin:2rem 0}.seo-pagination a{padding:.5rem .8rem;border:1px solid #ccd5df;border-radius:5px}.seo-pagination [aria-current=page]{font-weight:700;background:#e8eff6}.seo-related a{display:inline-block;margin:.3rem 0}
.terms{list-style:none;padding:14px 16px;margin:18px 0 0;background:var(--light);border-radius:6px;font-size:14px}.terms li{margin:3px 0}.lead{font-size:16px;line-height:1.55;color:#33475e}.atelier{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0 30px}.atelier figure{margin:0}.atelier img{width:100%;height:320px;object-fit:cover;border-radius:6px;display:block}.atelier figcaption{font-size:13px;color:#596c83;margin-top:6px}@media(max-width:750px){.atelier{grid-template-columns:1fr 1fr}.atelier img{height:220px}}.note.ok{border-left-color:#0e7a4f;background:#eef8f2}table.qual{margin-top:12px}table.qual thead th{background:var(--navy);color:#fff;font-weight:600}table.qual tr.sec td{background:#e8eef5;font-weight:700;color:var(--navy)}table.qual td:nth-child(2),table.qual td:nth-child(3){white-space:nowrap}.qual-wrap{overflow-x:auto}
/* PRELANCEMENT — menu mobile sur une ligne, code 5331 sur les cartes, page 404 */
.card p.code{font-size:13px;color:var(--navy);font-family:ui-monospace,Menlo,Consolas,monospace}.notfound{text-align:center;padding:30px 0 60px}.notfound .search{margin:25px auto;border:1px solid var(--line)}.notfound ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:center}@media(max-width:750px){header{flex-wrap:nowrap;padding:8px 4%}.brand img{width:70px;height:48px}header nav{flex-wrap:nowrap;max-width:none;gap:9px}header nav a:nth-child(1),header nav a:nth-child(4){display:none}header nav a{font-size:12.5px;white-space:nowrap}.cart{padding:7px 9px}#count{margin-left:4px;padding:2px 6px}header nav a.lang{padding:4px 7px}}@media(max-width:370px){header nav{gap:6px}header nav a{font-size:11.5px}.cart{padding:6px 7px}}@media(max-width:340px){header nav a:nth-child(3){display:none}}
.info .button.dl{display:table;margin:10px 0 0}