:root{
  --navy:#0e2238; --navy-2:#16324f; --ink:#1b2733; --muted:#5b6b7a;
  --line:#e2e7ec; --bg:#fff; --bg-soft:#f4f6f8; --accent:#0a8fb5; --accent-d:#077594;
  --radius:10px; --max:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter","Segoe UI",Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.2;color:var(--navy);letter-spacing:-.01em}
.btn{display:inline-block;padding:13px 26px;border-radius:8px;font-weight:600;font-size:15px;border:2px solid transparent;transition:.2s;cursor:pointer;font-family:inherit;background:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d)}
.btn-outline{border-color:var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-block{display:block;width:100%;text-align:center}

/* top bar + header */
.topbar{background:var(--navy);color:#cfd9e3;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a:hover{color:#fff}
.topbar .social{display:flex;gap:18px}
header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{font-weight:800;font-size:22px;color:var(--navy);display:flex;align-items:center;gap:10px}
.logo i{display:inline-grid;grid-template-columns:1fr 1fr;gap:2px;width:26px;height:26px}
.logo i b{display:block;border-radius:3px}
.logo i b:nth-child(1){background:#14a8d4}.logo i b:nth-child(2){background:#d6317c}
.logo i b:nth-child(3){background:#f2c230}.logo i b:nth-child(4){background:var(--navy)}
nav ul{display:flex;gap:30px;list-style:none;font-size:15px;font-weight:500}
nav a{padding:6px 0;border-bottom:2px solid transparent}
nav a:hover,nav a.active{border-color:var(--accent);color:var(--navy)}

/* page title band */
.page-head{background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;padding:48px 0 44px}
.page-head h1{color:#fff;font-size:clamp(28px,3.6vw,40px);margin-bottom:8px}
.page-head p{color:#c3d0dc;max-width:620px}
.crumbs{font-size:13px;color:#8fa4b8;margin-bottom:14px}
.crumbs a:hover{color:#fff}
.crumbs.dark{color:var(--muted)}
.crumbs.dark a:hover{color:var(--navy)}

/* catalogue layout */
.cat{display:grid;grid-template-columns:260px 1fr;gap:40px;padding:48px 0 84px}
.filters{position:sticky;top:100px;align-self:start}
.filters h3{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:12px}
.filters ul{list-style:none;margin-bottom:28px}
.filters li a{display:flex;justify-content:space-between;padding:9px 12px;border-radius:8px;font-size:15px}
.filters li a:hover{background:var(--bg-soft)}
.filters li a.on{background:#e6f4f9;color:var(--accent-d);font-weight:600}
.filters li a span{color:var(--muted);font-weight:400;font-size:13px}
.help{background:var(--bg-soft);border-radius:var(--radius);padding:20px;font-size:14px;color:var(--muted)}
.help strong{display:block;color:var(--navy);margin-bottom:4px}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.search{flex:1;min-width:220px;max-width:380px;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:15px}
.search:focus,.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);border-color:transparent}
.count{font-size:14px;color:var(--muted)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.25s;display:flex;flex-direction:column}
.prod:hover{border-color:var(--accent);box-shadow:0 10px 24px rgba(14,34,56,.08);transform:translateY(-3px)}
.prod .img{aspect-ratio:4/3;background:var(--bg-soft);display:grid;place-items:center;font-size:38px;color:#9db0c0;border-bottom:1px solid var(--line)}
.prod .img{overflow:hidden}
.prod .img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.prod:hover .img img{transform:scale(1.04)}
.prod .t{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1}
.tag{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--accent)}
.prod h3{font-size:17px;margin:4px 0 6px}
.prod p{font-size:14px;color:var(--muted);margin-bottom:14px}
.prod .more{margin-top:auto;font-size:14px;font-weight:600;color:var(--navy)}
.prod:hover .more{color:var(--accent)}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}
.pagination a{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;font-size:14px}
.pagination a.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.pagination a:hover:not(.on){border-color:var(--accent)}

/* product page */
.product{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;padding:32px 0 64px}
.gallery .main{aspect-ratio:1/1;border-radius:var(--radius);background:linear-gradient(135deg,#dfe7ee,#c3d0dc);display:grid;place-items:center;color:#7d93a7;font-size:14px}
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:12px}
.thumbs div{aspect-ratio:1/1;border-radius:8px;background:var(--bg-soft);border:2px solid transparent;display:grid;place-items:center;color:#9db0c0;font-size:12px}
.thumbs div.on{border-color:var(--accent)}
.gallery .main{overflow:hidden}
.gallery .main img{width:100%;height:100%;object-fit:cover;display:block}
.thumbs div{overflow:hidden;cursor:pointer}
.thumbs div img{width:100%;height:100%;object-fit:cover;display:block}
.info h1{font-size:clamp(28px,3.4vw,38px);margin:6px 0 12px}
.lead{color:var(--muted);font-size:17px;margin-bottom:24px}
.price{display:flex;align-items:baseline;gap:10px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:24px}
.price strong{font-size:26px;color:var(--navy)}
.price span{font-size:14px;color:var(--muted)}
.opt{margin-bottom:20px}
.opt label{display:block;font-weight:600;font-size:14px;color:var(--navy);margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{padding:9px 16px;border:1px solid var(--line);border-radius:8px;font-size:14px;cursor:pointer;transition:.15s}
.chips span:hover{border-color:var(--accent)}
.chips span.on{border-color:var(--accent);background:#e6f4f9;color:var(--accent-d);font-weight:600}
.qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;width:max-content}
.qty button{width:42px;height:42px;border:0;background:none;font-size:18px;cursor:pointer}
.qty input{width:56px;height:42px;border:0;text-align:center;font:inherit;border-left:1px solid var(--line);border-right:1px solid var(--line)}
.actions{display:flex;gap:12px;margin:28px 0 20px;flex-wrap:wrap}
.actions .btn{flex:1;text-align:center;min-width:170px}
.perks{list-style:none;font-size:14px;color:var(--muted)}
.perks li{padding:4px 0 4px 26px;position:relative}
.perks li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.tabs{border-top:1px solid var(--line);padding:56px 0}
.tab-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.tab-grid h2{font-size:20px;margin-bottom:12px}
.tab-grid p,.tab-grid li{font-size:15px;color:var(--muted)}
.tab-grid ul{list-style:none}
.tab-grid li{padding:7px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px}
.tab-grid li b{color:var(--ink);font-weight:600}
.related{background:var(--bg-soft);padding:64px 0}
.related h2{font-size:28px;margin-bottom:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* quote form */
.quote{display:grid;grid-template-columns:1fr 340px;gap:40px;padding:48px 0 84px;align-items:start}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;margin-bottom:24px}
.card h2{font-size:20px;margin-bottom:6px;display:flex;align-items:center;gap:12px}
.card h2 em{font-style:normal;display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;font-size:14px}
.card .sub{font-size:14px;color:var(--muted);margin:0 0 22px 42px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--navy);margin-bottom:6px}
.field label small{font-weight:400;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:15px;background:#fff;color:var(--ink)}
.field textarea{min-height:130px;resize:vertical}
.drop{border:2px dashed #c3d0dc;border-radius:var(--radius);padding:28px;text-align:center;color:var(--muted);font-size:14px;background:var(--bg-soft)}
.drop strong{color:var(--accent-d)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin-bottom:12px}
.check input{margin-top:4px}
.side{position:sticky;top:100px}
.summary{background:var(--navy);color:#fff;border-radius:var(--radius);padding:28px;margin-bottom:20px}
.summary h3{color:#fff;font-size:18px;margin-bottom:16px}
.summary dl{font-size:14px}
.summary dl div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.summary dt{color:#9fb4c8}
.summary dd{font-weight:600;text-align:right}
.summary p{font-size:13px;color:#9fb4c8;margin-top:16px}
.side .help{margin-bottom:0}

/* footer */
footer{background:#0a1a2b;color:#9fb0c0;font-size:14px;padding:64px 0 0}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
footer h4{color:#fff;font-size:15px;margin-bottom:16px}
footer ul{list-style:none}
footer li{padding:5px 0}
footer a:hover{color:#fff}
footer .logo{color:#fff;margin-bottom:14px}
.copy{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;font-size:13px}

@media(max-width:960px){
  nav{display:none}
  .cat,.product,.quote{grid-template-columns:1fr}
  .filters,.side{position:static}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .tab-grid{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .grid-3,.grid-4,.row,.f-grid{grid-template-columns:1fr}
  .topbar .social{display:none}
  .card{padding:22px}
  .card .sub{margin-left:0}
}

/* custom dropdowns */
.dd{position:relative;display:inline-block;min-width:200px;font-size:15px}
.field .dd,.dd.block{display:block;width:100%}
.dd select{position:absolute;inset:0;width:100%;height:100%;opacity:0;pointer-events:none;border:0}
.dd-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:left;padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:15px;color:var(--ink);cursor:pointer;transition:border-color .15s,box-shadow .15s}
.dd-btn:hover{border-color:#b9c6d2}
.dd-btn:focus-visible,.dd.open .dd-btn{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(10,143,181,.18)}
.dd-btn .chev{flex:none;width:18px;height:18px;color:var(--muted);transition:transform .2s}
.dd.open .dd-btn .chev{transform:rotate(180deg);color:var(--accent)}
.dd-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dd-menu{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:40;list-style:none;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 16px 36px rgba(14,34,56,.16);padding:6px;max-height:280px;overflow:auto;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .15s,transform .15s,visibility .15s;min-width:max-content}
.dd.open .dd-menu{opacity:1;visibility:visible;transform:none}
.dd.up .dd-menu{top:auto;bottom:calc(100% + 6px);transform:translateY(6px)}
.dd.up.open .dd-menu{transform:none}
.dd-opt{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 12px;border-radius:7px;cursor:pointer;color:var(--ink)}
.dd-opt.active{background:var(--bg-soft)}
.dd-opt[aria-selected="true"]{color:var(--accent-d);font-weight:600}
.dd-opt[aria-selected="true"]::after{content:"";flex:none;width:14px;height:14px;background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23077594' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E")}
.dd-opt[aria-disabled="true"]{opacity:.45;cursor:not-allowed}
.toolbar .dd{min-width:240px}

/* category page */
.sect{padding:72px 0}
.sect.soft{background:var(--bg-soft)}
.head{max-width:640px;margin-bottom:36px}
.head h2{font-size:clamp(26px,3vw,34px);margin-bottom:10px}
.head p{color:var(--muted);font-size:17px}
.head-cta{margin-top:26px}
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.spec{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.spec h3{font-size:18px;margin-bottom:6px}
.spec p.k{font-size:13px;color:var(--muted);margin-bottom:14px}
.spec ul{list-style:none;font-size:15px}
.spec li{padding:9px 0;border-top:1px solid var(--line)}
.spec li small{display:block;color:var(--muted);font-size:13px}
.benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.benefit .ico{margin-bottom:14px;width:46px;height:46px;border-radius:50%;background:#e6f4f9;color:var(--accent);display:grid;place-items:center;font-weight:800;font-size:18px}
.benefit h3{font-size:18px;margin-bottom:6px}
.benefit p{font-size:15px;color:var(--muted)}
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.app{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;font-weight:600;color:var(--navy);display:flex;gap:12px;align-items:flex-start;line-height:1.4}
.app::before{content:"✓";color:var(--accent);font-weight:800}
.cta-band{background:linear-gradient(120deg,var(--accent),#0a6f94);color:#fff;padding:64px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:6px}
.cta-band p{color:#d8f0f7}
.cta-band .btn{background:#fff;color:var(--navy)}
.cta-band .btn:hover{background:#e9f6fa}
.prod .img.contain img{object-fit:contain;padding:8px;background:#fff}
@media(max-width:960px){.spec-grid,.benefits,.apps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.spec-grid,.benefits,.apps{grid-template-columns:1fr}.sect{padding:56px 0}}

/* récapitulatif en direct */
@keyframes ddflash{0%{background:var(--y,#ffd21f);color:#12131a}100%{background:transparent}}
.summary dd.flash{animation:ddflash .8s ease-out;border-radius:4px;padding:0 4px;margin:0 -4px}

/* logo */
.logo-mark{height:30px;width:auto;display:block;flex:none}
footer .logo-mark{height:34px}
@media(max-width:560px){.logo-mark{height:24px}}

/* pages de gamme : variantes de grilles, liens, bloc image+texte */
.spec-grid.c3,.apps.c3{grid-template-columns:repeat(3,1fr)}
.linkchips{display:flex;flex-wrap:wrap;gap:10px}
.linkchips a{padding:10px 16px;border:1.5px solid #cfcbc0;border-radius:10px;background:#fff;font-weight:500;font-size:15px;transition:border-color .15s,background .15s}
.linkchips a:hover{border-color:#12131a;background:#ffd21f}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{width:100%;height:100%;max-height:440px;object-fit:cover;border-radius:var(--radius);display:block;box-shadow:0 1px 2px rgba(20,21,28,.06),0 18px 36px rgba(20,21,28,.12)}
.split p{color:var(--muted);font-size:17px;margin-bottom:18px}
.split .checks{list-style:none;margin:18px 0 26px}
.split .checks li{padding:7px 0 7px 30px;position:relative;font-weight:500}
.split .checks li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:800}
.spec ul.plain li{border-top:1px solid var(--line)}
@media(max-width:960px){.spec-grid.c3,.apps.c3{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr;gap:28px}}
@media(max-width:560px){.spec-grid.c3,.apps.c3{grid-template-columns:1fr}}

/* page contact */
.info-list{list-style:none}
.info-list li{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line,#e6e3db)}
.info-list li:first-child{border-top:0;padding-top:4px}
.info-list .ic{flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--paper-2,#f6f5f1);color:var(--accent,#e6007e);font-weight:700}
.info-list strong{display:block;font-family:var(--display,inherit);color:var(--k,#12131a);font-size:15px;margin-bottom:2px}
.info-list a{color:var(--accent-d,#b80064);font-weight:600}
.info-list span{color:var(--muted,#5d6070);font-size:15px}
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line,#e6e3db);aspect-ratio:4/3;background:var(--paper-2,#f6f5f1);margin-top:20px;position:relative}
.map iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.social{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.contact-side .card{margin-bottom:0}
.ok-msg{display:none;background:#e6f4f9;border:1px solid var(--accent);color:var(--accent-d);padding:16px 20px;border-radius:8px;margin-bottom:24px;font-weight:600}