:root{
  --bg:#F6FAF9; --surface:#FFFFFF; --ink:#0E2A33; --muted:#4C6670;
  --brand:#0F5C6E; --brand-ink:#FFFFFF; --soft:#DDEEEA; --accent:#F0A12E; --accent-ink:#2B1B00; --line:#CFE0DC;
  box-sizing:border-box;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0B1A1F; --surface:#112830; --ink:#E6F2F0; --muted:#9DB8BE;
    --brand:#4FB3C7; --brand-ink:#04222A; --soft:#14343D; --accent:#F0A12E; --accent-ink:#2B1B00; --line:#21424C;
  }
}
:root[data-theme="dark"]{
  --bg:#0B1A1F; --surface:#112830; --ink:#E6F2F0; --muted:#9DB8BE;
  --brand:#4FB3C7; --brand-ink:#04222A; --soft:#14343D; --accent:#F0A12E; --accent-ink:#2B1B00; --line:#21424C;
}
html{scroll-behavior:smooth;scroll-padding-top:140px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 "Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;padding-bottom:env(safe-area-inset-bottom,0px)}
h1,h2,h3{font-family:"Bricolage Grotesque","Trebuchet MS",system-ui,sans-serif;line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(1.9rem,5vw,3rem);font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,3.5vw,2.1rem);font-weight:700}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em;max-width:66ch}
a{color:var(--brand)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:56px 0}
.alt{background:var(--soft)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:10px 16px;z-index:100}
.skip:focus{left:8px;top:8px}
.ico{width:20px;height:20px;flex:none}
.illu{width:100%;height:100%;color:var(--brand)}

/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;text-decoration:none;border:2px solid transparent;cursor:pointer;font:600 1rem/1.2 inherit;font-family:inherit}
.btn-main{background:var(--accent);color:var(--accent-ink)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-brand{background:var(--brand);color:var(--brand-ink)}
.btn-sm{padding:8px 14px;font-size:.9rem}
.btn:hover{filter:brightness(1.06)}
.notice{margin:16px 0 0;padding:12px 16px;border-radius:10px;font-weight:600}
.notice.ok{background:#DDF3E4;color:#14532D}.notice.err{background:#FDE2E1;color:#7F1D1D}

/* bandeau haut */
.topbar{background:var(--brand);color:var(--brand-ink);font-size:.92rem}
.topbar .wrap{display:flex;gap:20px;align-items:center;justify-content:space-between;min-height:38px;flex-wrap:wrap}
.topbar a{color:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.topbar .ico{width:16px;height:16px}
.topbar .hours{opacity:.95}
@media (max-width:760px){.topbar .tb-right{display:none}.topbar .wrap{justify-content:center;gap:12px;padding-top:4px;padding-bottom:4px}}

/* en-tête */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.hdr{display:grid;grid-template-columns:auto minmax(220px,1fr) auto;gap:22px;align-items:center;padding-top:12px;padding-bottom:12px}
.logo{font:700 1.45rem "Bricolage Grotesque",sans-serif;color:var(--ink);text-decoration:none;white-space:nowrap}
.logo span{color:var(--brand)}
.burger{display:none;background:none;border:0;color:var(--ink);padding:6px;cursor:pointer}
.search{display:flex;border:2px solid var(--line);border-radius:999px;background:var(--bg);overflow:hidden}
.search:focus-within{border-color:var(--brand)}
.search input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);padding:11px 18px;font:inherit}
.search input:focus{outline:none}
.search button{border:0;background:var(--brand);color:var(--brand-ink);padding:0 18px;cursor:pointer}
.actions{display:flex;gap:6px;align-items:center}
.act{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 12px;border-radius:12px;color:var(--ink);text-decoration:none;font-size:.82rem;font-weight:600;background:none;border:0;cursor:pointer;font-family:inherit;position:relative}
.act:hover,.act:focus-visible{background:var(--soft);color:var(--brand)}
.act .ico{width:26px;height:26px}
.count{position:absolute;top:0;right:4px;min-width:20px;height:20px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-style:normal;font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 5px}
.dd{position:relative}
.dd-panel{display:none;position:absolute;right:0;top:100%;width:340px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 40px rgba(8,30,38,.18);padding:8px;z-index:60}
.dd:hover .dd-panel,.dd:focus-within .dd-panel,.dd.open .dd-panel{display:block}
.dd-panel a{display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:10px;color:var(--ink);text-decoration:none}
.dd-panel a:hover{background:var(--soft)}
.dd-panel .ico{color:var(--brand);margin-top:3px}
.dd-panel b{display:block;font-size:.98rem}.dd-panel small{color:var(--muted);font-size:.85rem;line-height:1.3;display:block}

/* menu principal et menu déroulant Produits */
.mainnav{background:var(--brand);color:var(--brand-ink)}
.menu{list-style:none;margin:0;padding:0;display:flex;gap:4px;flex-wrap:wrap}
.menu>li>.top{display:flex;align-items:center;gap:6px;padding:14px 18px;color:inherit;text-decoration:none;font-weight:600}
.menu>li>.top .ico{width:16px;height:16px}
.menu>li:hover>.top,.menu>li>.top:focus-visible{background:rgba(255,255,255,.14)}
.has-mega>.mega{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);color:var(--ink);border-bottom:1px solid var(--line);box-shadow:0 18px 40px rgba(8,30,38,.2);z-index:60}
.mainnav{position:relative}
.has-mega:hover>.mega,.has-mega:focus-within>.mega,.has-mega.open>.mega{display:block}
.mega-in{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:300px 1fr;min-height:340px}
.mega-tabs{list-style:none;margin:0;padding:12px 0;background:var(--bg);border-right:1px solid var(--line)}
.mega-tabs .tab{display:flex;align-items:center;gap:12px;padding:10px 20px;text-decoration:none;color:var(--ink);font-weight:600}
.mega-tabs .tab.is-on,.mega-tabs .tab:hover{background:var(--surface);color:var(--brand);box-shadow:inset 4px 0 0 var(--accent)}
.mi{width:44px;height:34px;flex:none}
.mega-panels{padding:22px 30px}
.mega-panel{display:none}.mega-panel.is-on{display:block}
.mp-title{font:700 1.25rem "Bricolage Grotesque",sans-serif;margin:0 0 12px;max-width:none}
.cols{list-style:none;margin:0 0 14px;padding:0;columns:2;column-gap:30px}
.cols li{break-inside:avoid}
.cols a{display:block;padding:6px 0;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}
.cols a:hover{color:var(--brand)}
.mega-panel .all{font-weight:600}

@media (max-width:900px){
  .hdr{grid-template-columns:auto 1fr auto;gap:10px}
  .burger{display:block}
  .search{grid-column:1/-1;order:5}
  .act span:not(.sr){display:none}
  .act .ico{width:28px;height:28px}
  .dd-panel{position:fixed;left:12px;right:12px;top:auto;width:auto;margin-top:6px}
  .mainnav{display:none}
  .site-header.nav-open .mainnav{display:block}
  .menu{flex-direction:column}
  .has-mega>.mega{position:static;box-shadow:none}
  .has-mega:hover>.mega{display:none}
  .has-mega.open>.mega{display:block}
  .mega-in{grid-template-columns:1fr;min-height:0}
  .mega-panels{display:none}
  .mega-tabs{border-right:0}
}

/* accueil */
.hero{background:var(--brand);color:var(--brand-ink);padding:56px 0 64px;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero h1{max-width:20ch}
.hero p{font-size:1.15rem;opacity:.95}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero .btn-ghost{border-color:var(--brand-ink);color:var(--brand-ink)}
.hero-art{background:rgba(255,255,255,.12);border-radius:24px;padding:28px;aspect-ratio:4/3;color:var(--brand-ink)}
.hero-art .illu{color:var(--brand-ink)}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}.hero-art{display:none}}
.quick{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-top:-40px;position:relative;z-index:2}
.quick a{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px 12px;text-align:center;text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem;box-shadow:0 6px 18px rgba(8,30,38,.08)}
.quick a:hover{border-color:var(--brand);color:var(--brand)}
.quick .qi{width:84px;height:62px;margin:0 auto 8px}
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px}
.svc-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;text-decoration:none;color:var(--ink);display:block}
.svc-card:hover{border-color:var(--brand)}
.svc-card .ico{width:34px;height:34px;color:var(--brand);margin-bottom:10px}
.svc-card b{display:block;font:700 1.08rem "Bricolage Grotesque",sans-serif;margin-bottom:4px}
.svc-card span{color:var(--muted);font-size:.95rem}
@media (max-width:900px){.services{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.services{grid-template-columns:1fr}}
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.about .made{margin:0}
@media (max-width:900px){.about{grid-template-columns:1fr}}
.made{display:flex;align-items:center;gap:12px;background:var(--soft);border:1px solid var(--brand);border-radius:12px;padding:14px 18px;font-weight:600}
.made .ico{width:28px;height:28px;color:var(--brand)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:28px 0 0;padding:0;list-style:none;counter-reset:s}
.steps li{counter-increment:s;padding-top:14px;border-top:4px solid var(--brand)}
.steps li::before{content:"Étape " counter(s);display:block;color:var(--muted);font-size:.85rem;margin-bottom:4px}
.steps b{display:block;font:700 1.05rem "Bricolage Grotesque",sans-serif;margin-bottom:4px}
.steps span{color:var(--muted);font-size:.95rem}
@media (max-width:820px){.steps{grid-template-columns:1fr 1fr}}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}
.card p{margin:0 0 .8em;color:var(--muted)}
@media (max-width:820px){.grid3{grid-template-columns:1fr}}
details{border-bottom:1px solid var(--line);padding:16px 0}
summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--brand)}
details[open] summary::after{content:"–"}
details p{margin:12px 0 0;color:var(--muted)}

/* bandeau réassurance + pied de page */
.reassure{background:var(--soft);border-top:1px solid var(--line);padding:30px 0}
.reassure .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.reassure div{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;align-items:center}
.reassure .ico{grid-row:span 2;width:36px;height:36px;color:var(--brand)}
.reassure b{font-size:1rem}.reassure span{color:var(--muted);font-size:.9rem;line-height:1.3}
@media (max-width:900px){.reassure .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.reassure .wrap{grid-template-columns:1fr}}
.site-footer{background:var(--ink);color:#E6F2F0;padding:44px 0 0;font-size:.95rem}
:root[data-theme="dark"] .site-footer{background:#07131A}
.site-footer a{color:inherit}
.fcols{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.site-footer h3{font-size:1rem;margin:0 0 10px;color:#fff}
.site-footer ul{list-style:none;margin:0 0 14px;padding:0}
.site-footer li{padding:3px 0}
.site-footer p{margin:0 0 14px}
.copy{border-top:1px solid rgba(255,255,255,.18);margin-top:26px;padding:16px 20px;font-size:.88rem;opacity:.85}
@media (max-width:900px){.fcols{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.fcols{grid-template-columns:1fr}}

/* en-têtes de pages */
.pagehead{background:var(--brand);color:var(--brand-ink);padding:36px 0 28px}
.pagehead p{opacity:.95;margin:0}
.crumbs{font-size:.9rem;margin-bottom:12px;opacity:.95}
.crumbs a{color:inherit}.crumbs i{font-style:normal;margin:0 4px;opacity:.7}
.cat{padding:44px 0}
.cat + .cat{border-top:1px solid var(--line)}

/* produits */
.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.product{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.product .ph{aspect-ratio:4/3;background:#fff;display:flex;align-items:center;justify-content:center;text-decoration:none}
.product .ph img{width:100%;height:100%;object-fit:contain;display:block}
.product .ph.empty{background:var(--soft);padding:16px}
.product .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.product h3{margin:0;font-size:1.06rem}
.product h3 a{color:inherit;text-decoration:none}.product h3 a:hover{color:var(--brand)}
.product p{margin:0;color:var(--muted);font-size:.95rem}
.tag{align-self:flex-start;background:var(--soft);color:var(--brand);font-weight:600;font-size:.8rem;border-radius:999px;padding:3px 10px}
.tag-on{display:inline-block;background:var(--accent);color:var(--accent-ink);margin-bottom:10px}
.actions-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:6px}
.addform{margin:0}
.fiche{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:32px;align-items:start}
.fiche-photo{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;margin-bottom:24px;text-align:center}
.fiche-photo img{max-width:100%;max-height:440px;height:auto;display:inline-block}
.fiche-photo.empty{background:var(--soft);padding:30px 60px}
.fiche-side{display:grid;gap:18px;position:sticky;top:150px}
.side-list{list-style:none;margin:0 0 .8em;padding:0}
.side-list li{border-bottom:1px solid var(--line)}
.side-list a{display:block;padding:8px 0;color:var(--ink);text-decoration:none;font-size:.95rem}
.side-list a:hover,.side-list a[aria-current]{color:var(--brand);font-weight:600}
@media (max-width:900px){.fiche{grid-template-columns:1fr}.fiche-side{position:static}}
.rich{background:#fff;color:#0E2A33;border:1px solid var(--line);border-radius:14px;padding:24px;overflow-x:auto;overflow-wrap:anywhere}
.rich h2{font-size:1.4rem;margin:1.2em 0 .5em}.rich h3{font-size:1.15rem;margin:1.1em 0 .4em}.rich h4{font-size:1rem}
.rich>:first-child{margin-top:0}.rich>:last-child{margin-bottom:0}
.rich p{max-width:none}.rich ul,.rich ol{padding-left:1.4em}.rich a{color:#0F5C6E}.rich img{max-width:100%;height:auto}
.rich table{border-collapse:collapse;max-width:100%;margin:1em 0}
.rich th,.rich td{border:1px solid #B9CFCA;padding:8px 12px;text-align:left;vertical-align:top}
.rich th{background:#E8F1EF}

/* formulaires, compte, devis */
.formbox{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;display:grid;gap:14px}
.formbox h2,.formbox h3{margin:0}
label{font-weight:600;font-size:.95rem;display:grid;gap:6px}
input,select,textarea{font:inherit;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);width:100%}
input[type=checkbox]{width:auto;padding:0}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.note{font-size:.85rem;color:var(--muted);margin:0}
.chk{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.9rem}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
@media (max-width:820px){.row,.two{grid-template-columns:1fr}}
.lines{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.lines th,.lines td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.lines th{background:var(--soft);font-size:.9rem}
.lines .thumb{width:64px;height:48px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.lines .thumb img{width:100%;height:100%;object-fit:contain}
.lines .thumb .illu{padding:4px}
.lines .qty{display:inline-flex;gap:6px;align-items:center}
.lines .qty input{width:64px;padding:8px}
.link-btn{background:none;border:0;color:#B42318;cursor:pointer;font:inherit;text-decoration:underline;padding:0}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:36px}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr}}
.tel-big{font:700 1.8rem "Bricolage Grotesque",sans-serif;text-decoration:none}
.legal .wrap{max-width:820px}
.legal h2{font-size:1.3rem;margin-top:1.6em}