/* ENERGIS — feuille de style principale */
:root{
  --navy:#0b2250; --navy-d:#071636; --navy-m:#13346f;
  --gold:#b98324; --gold-l:#d9a441; --gold-d:#8f6317;
  --paper:#f6f4ef; --white:#fff; --ink:#1d2430; --char:#2f343c; --mute:#5d6572; --line:#dcd8cf;
  --f-head:'Barlow Condensed','Arial Narrow',Arial,sans-serif;
  --f-body:'Barlow',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  --w:1200px; --g:20px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--f-body);font-size:17px;line-height:1.6;color:var(--ink);background:var(--white)}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-underline-offset:3px}
a:hover{color:var(--gold-d)}
:focus-visible{outline:3px solid var(--gold-l);outline-offset:2px}
h1,h2,h3,h4{font-family:var(--f-head);font-weight:700;line-height:1.08;margin:0 0 .5em;color:var(--navy);text-transform:uppercase;letter-spacing:.02em}
h1{font-size:clamp(2.3rem,5.4vw,4rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
h3{font-size:1.4rem}
p{margin:0 0 1em}
ul{padding:0;margin:0;list-style:none}
.wrap{width:100%;max-width:var(--w);margin:0 auto;padding:0 var(--g)}
.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(--navy);color:#fff;padding:.7rem 1rem;z-index:100}
.skip:focus{left:0}

/* Boutons */
.btn{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font:600 .95rem/1 var(--f-body);letter-spacing:.06em;text-transform:uppercase;text-decoration:none;padding:.95rem 1.3rem;border:2px solid transparent;border-radius:0;cursor:pointer;transition:background .15s,color .15s,border-color .15s;clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%)}
.btn-lg{padding:1.1rem 1.8rem;font-size:1rem}
.btn-gold{background:var(--gold-l);color:var(--navy-d)}
.btn-gold:hover{background:#e6b457;color:var(--navy-d)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-m);color:#fff}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost-light:hover{background:#fff;color:var(--navy)}
.btn-link{font-weight:600;font-size:.95rem;padding:.4rem .2rem}

/* En-tête */
.site-header{position:sticky;top:0;z-index:50;background:var(--white);border-bottom:3px solid var(--navy)}
.site-header::after{content:"";position:absolute;left:0;bottom:-3px;width:min(220px,30vw);height:3px;background:var(--gold-l)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:84px}
.brand img{width:auto;height:58px}
.primary-nav{display:flex;align-items:center;gap:1.1rem}
.primary-nav>ul{display:flex;gap:.2rem;align-items:center}
.primary-nav a{text-decoration:none}
.primary-nav ul>li>a{display:block;white-space:nowrap;padding:.6rem .7rem;color:var(--navy);font-weight:600;font-size:.95rem;letter-spacing:.05em;text-transform:uppercase;border-bottom:3px solid transparent}
.primary-nav ul>li>a:hover,.primary-nav [aria-current="page"],.primary-nav .is-active>a{color:var(--gold-d);border-bottom-color:var(--gold-l)}
.has-sub{position:relative;display:flex;align-items:center}
.sub-toggle{background:none;border:0;padding:.5rem .4rem;cursor:pointer;margin-left:-.5rem}
.sub-toggle span{display:block;width:8px;height:8px;border-right:2px solid var(--navy);border-bottom:2px solid var(--navy);transform:rotate(45deg) translateY(-2px)}
.sub{position:absolute;left:0;top:100%;min-width:260px;background:var(--white);border:1px solid var(--line);border-top:3px solid var(--gold-l);box-shadow:0 14px 28px rgba(7,22,54,.14);display:none;z-index:5}
.has-sub.open>.sub,.has-sub:hover>.sub,.has-sub:focus-within>.sub{display:block}
.sub a{padding:.75rem 1rem!important;border:0!important;text-transform:none!important;letter-spacing:0!important;font-weight:500!important}
.sub a:hover{background:var(--paper)}
.nav-actions{display:flex;align-items:center;gap:1rem}
.nav-phone{font-weight:700;color:var(--navy);white-space:nowrap;font-size:.98rem}
.nav-toggle{display:none;background:var(--navy);border:0;width:48px;height:48px;cursor:pointer;position:relative}
.nav-toggle .bars,.nav-toggle .bars::before,.nav-toggle .bars::after{position:absolute;left:12px;width:24px;height:2px;background:#fff;content:"";transition:transform .2s}
.nav-toggle .bars{top:23px}.nav-toggle .bars::before{left:0;top:-7px}.nav-toggle .bars::after{left:0;top:7px}
.nav-toggle[aria-expanded="true"] .bars{background:transparent}
.nav-toggle[aria-expanded="true"] .bars::before{transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .bars::after{transform:translateY(-7px) rotate(-45deg)}

/* Sections */
.section{padding:clamp(3rem,7vw,5.5rem) 0}
.section-paper{background:var(--paper)}
.section-navy{background:var(--navy);color:#e8ecf5}
.section-navy h2,.section-navy h3{color:#fff}
.section-head{max-width:760px;margin-bottom:2.2rem}
.eyebrow{font:600 .8rem/1.2 var(--f-body);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-d);margin:0 0 .7rem;display:flex;align-items:center;gap:.6rem}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--gold-l)}
.section-navy .eyebrow{color:var(--gold-l)}
.lead{font-size:1.2rem;color:var(--char)}
.section-navy .lead{color:#d3daea}

/* Hero */
.hero{background:var(--navy-d);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,var(--navy-d) 0 52%,var(--navy) 52% 100%)}
.hero::after{content:"";position:absolute;left:52%;top:0;bottom:0;width:6px;background:var(--gold-l);transform:skewX(-14deg);transform-origin:top}
.hero-in{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr 1fr;gap:2rem;align-items:center;padding:clamp(2.5rem,6vw,4.5rem) var(--g)}
.hero h1{color:#fff;margin-bottom:.4em}
.hero h1 span{color:var(--gold-l)}
.hero p.lead{color:#d3daea;max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
.hero-img{background:var(--paper);clip-path:polygon(12% 0,100% 0,100% 100%,0 100%,0 14%);padding:1.2rem 1rem 1.2rem 2rem}
.hero-img img{width:100%;aspect-ratio:3/2;object-fit:contain}
.hero-sectors{display:flex;gap:1.2rem;flex-wrap:wrap;margin-top:2rem;font:600 .85rem var(--f-body);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-l)}
.hero-sectors span+span::before{content:"|";margin-right:1.2rem;color:rgba(255,255,255,.4)}

/* Page title banner */
.page-hero{background:var(--navy);color:#fff;padding:clamp(2.2rem,5vw,3.6rem) 0;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-40px;top:0;bottom:0;width:160px;background:var(--navy-m);transform:skewX(-14deg)}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{color:#fff;margin:0 0 .3em}
.page-hero p{color:#d3daea;max-width:44em;margin:0}
.crumbs{font-size:.85rem;margin-bottom:1rem;color:#aab6d0}
.crumbs a{color:#d3daea}
.crumbs span[aria-current]{color:var(--gold-l)}

/* Grilles */
.grid{display:grid;gap:1.6rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem 1.4rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center}

/* Catégories */
.cat{display:block;background:var(--white);border:1px solid var(--line);text-decoration:none;color:var(--ink);position:relative;transition:border-color .15s,transform .15s}
.cat:hover{border-color:var(--gold);color:var(--ink)}
.cat-img{background:var(--paper);aspect-ratio:3/2;display:flex;align-items:center;justify-content:center;padding:.8rem}
.cat-img img{width:100%;height:100%;object-fit:contain}
.cat-body{padding:1.2rem 1.3rem 1.4rem;border-top:3px solid var(--navy)}
.cat-body h3{margin-bottom:.4rem}
.cat-body p{color:var(--mute);margin:0 0 .8rem;font-size:.97rem}
.more{font-weight:600;color:var(--navy);text-transform:uppercase;font-size:.85rem;letter-spacing:.08em}
.more::after{content:" →"}

/* Cartes produit */
.card{background:var(--white);border:1px solid var(--line);display:flex;flex-direction:column;position:relative}
.card::before{content:"";position:absolute;left:-1px;top:-1px;width:26px;height:26px;border-left:4px solid var(--gold-l);border-top:4px solid var(--gold-l);z-index:2}
.card-img{display:block;position:relative;background:var(--paper);aspect-ratio:3/2;padding:.9rem}
.card-img img{width:100%;height:100%;object-fit:contain}
.tag{position:absolute;right:0;top:0;background:var(--navy);color:#fff;font:600 .75rem var(--f-body);letter-spacing:.12em;text-transform:uppercase;padding:.4rem .7rem}
.tag-occasion{background:var(--char)}
.card-body{padding:1.1rem 1.3rem 1.4rem;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:1.35rem;margin-bottom:.6rem}
.card-body h3 a{text-decoration:none;color:var(--navy)}
.card-body h3 a:hover{color:var(--gold-d)}
.facts{margin:0 0 1rem;font-size:.93rem}
.facts div{display:flex;justify-content:space-between;gap:1rem;padding:.3rem 0;border-bottom:1px solid var(--line)}
.facts dt{color:var(--mute)}.facts dd{margin:0;font-weight:600;text-align:right}
.card-cta{margin-top:auto;display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;padding-top:.6rem}
.card-cta .btn{padding:.8rem 1rem;font-size:.82rem}

/* Filtres */
.filters{background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--gold-l);padding:1.1rem 1.2rem;display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:1rem;align-items:end;margin-bottom:2rem}
.filters label{display:block;font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.3rem;color:var(--navy)}
.result-count{color:var(--mute);margin-bottom:1rem}
.empty{padding:2.5rem;border:1px dashed var(--line);text-align:center;background:var(--paper)}

/* Secteurs */
.sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.sector{padding:2rem 1.6rem 2.2rem;border-left:1px solid rgba(255,255,255,.18);position:relative}
.sector:first-child{border-left:0}
.sector .n{font:700 3rem/1 var(--f-head);color:var(--gold-l);display:block;margin-bottom:.4rem}
.sector p{color:#d3daea;margin:0}

/* Listes services / avantages */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.tile{border-top:4px solid var(--navy);background:var(--white);padding:1.4rem 1.4rem 1.5rem;border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-left:1px solid var(--line)}
.tile h3{margin-bottom:.4rem}
.tile p{margin:0;color:var(--char);font-size:.98rem}
.check li{position:relative;padding-left:1.7rem;margin-bottom:.7rem}
.check li::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:12px;background:var(--gold-l);clip-path:polygon(0 0,100% 0,100% 100%)}

/* CTA */
.cta{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-60px;top:0;bottom:0;width:240px;background:var(--navy-m);transform:skewX(-14deg)}
.cta-in{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:1.6rem;align-items:center;justify-content:space-between;padding:clamp(2.2rem,5vw,3.4rem) var(--g)}
.cta h2{color:#fff;margin-bottom:.3rem}
.cta p{margin:0;color:#d3daea}
.cta-btns{display:flex;gap:.8rem;flex-wrap:wrap}

/* Contact / formulaire */
.contact-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
.form .field{margin-bottom:1.1rem}
.form label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.3rem;color:var(--navy)}
.form input,.form select,.form textarea{width:100%;font:inherit;color:var(--ink);background:var(--white);border:1px solid #b9b5ab;border-radius:0;padding:.8rem .9rem}
.form input:focus,.form select:focus,.form textarea:focus{outline:3px solid var(--gold-l);outline-offset:0;border-color:var(--navy)}
.form [aria-invalid="true"]{border-color:#a12626;background:#fdf3f3}
.field-err{display:block;color:#a12626;font-size:.88rem;margin-top:.3rem}
.form-note{font-size:.88rem;color:var(--mute)}
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.notice{padding:1rem 1.2rem;margin-bottom:1.5rem;border-left:5px solid}
.notice-ok{background:#eef6ee;border-color:#2f7a3c;color:#1d4a26}
.notice-err{background:#fdf3f3;border-color:#a12626;color:#6d1717}
.aside-box{background:var(--paper);border-top:4px solid var(--navy);padding:1.5rem}
.aside-box h2,.aside-box h3{font-size:1.4rem}
.aside-box address{font-style:normal;margin-bottom:1rem}
.aside-box .btn{margin-top:.4rem}

/* Fiche produit */
.pd{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(1.5rem,4vw,3rem);align-items:start}
.pd-img{background:var(--paper);border:1px solid var(--line);padding:1.2rem;position:relative}
.pd-img img{width:100%;aspect-ratio:3/2;object-fit:contain}
.spec{width:100%;border-collapse:collapse;margin:1rem 0 1.5rem}
.spec th,.spec td{text-align:left;padding:.65rem .2rem;border-bottom:1px solid var(--line);font-size:1rem}
.spec th{width:40%;color:var(--mute);font-weight:500}
.spec td{font-weight:600}
.pd-cta{display:flex;flex-wrap:wrap;gap:.7rem}
.note{font-size:.9rem;color:var(--mute)}

/* Texte légal */
.prose{max-width:780px}
.prose h2{font-size:1.7rem;margin-top:2rem}
.prose ul{list-style:disc;padding-left:1.3rem;margin-bottom:1em}

/* Pied de page */
.site-footer{background:var(--navy-d);color:#c5cee0;font-size:.97rem;border-top:4px solid var(--gold-l)}
.site-footer a{color:#e6ebf6}
.site-footer a:hover{color:var(--gold-l)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.2fr;gap:2rem;padding-top:3rem;padding-bottom:2.4rem}
.f-brand img{margin-bottom:.8rem}
.f-name{font:700 1.8rem var(--f-head);letter-spacing:.08em;color:#fff;margin:0}
.f-tag{margin-bottom:1rem}
address{font-style:normal;margin-bottom:1rem}
.f-h{font:700 1.1rem var(--f-head);letter-spacing:.1em;text-transform:uppercase;color:var(--gold-l);margin-bottom:.8rem}
.site-footer li{margin-bottom:.45rem}
.footer-bar{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:1.2rem;padding-bottom:1.4rem;border-top:1px solid rgba(255,255,255,.14);font-size:.88rem}

/* Responsive */
@media (max-width:1240px){
  .nav-toggle{display:block}
  .primary-nav{position:absolute;left:0;right:0;top:100%;background:var(--white);border-bottom:3px solid var(--navy);flex-direction:column;align-items:stretch;gap:0;padding:.6rem var(--g) 1.2rem;display:none;max-height:calc(100vh - 90px);overflow:auto}
  .primary-nav.open{display:flex}
  .primary-nav>ul{flex-direction:column;align-items:stretch}
  .primary-nav ul>li>a{padding:.85rem .2rem;border-bottom:1px solid var(--line)}
  .has-sub{flex-wrap:wrap}
  .has-sub>a{flex:1}
  .sub-toggle{padding:.9rem .8rem;margin:0}
  .sub{position:static;width:100%;border:0;box-shadow:none;background:var(--paper);display:none}
  .has-sub:hover>.sub,.has-sub:focus-within>.sub{display:none}
  .has-sub.open>.sub{display:block}
  .nav-actions{flex-direction:column;align-items:stretch;margin-top:1rem}
  .nav-actions .btn{width:100%}
  .nav-phone{text-align:center;font-size:1.1rem;padding:.4rem}
}
@media (max-width:900px){
  .hero::before{background:var(--navy-d)}
  .hero::after{display:none}
  .hero-in,.split,.pd,.contact-grid{grid-template-columns:1fr}
  .hero-img{clip-path:polygon(0 0,100% 0,100% 100%,0 100%);padding:1rem}
  .grid-3,.tiles{grid-template-columns:1fr 1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .sectors{grid-template-columns:1fr}
  .sector{border-left:0;border-top:1px solid rgba(255,255,255,.18)}
  .sector:first-child{border-top:0}
  .filters{grid-template-columns:1fr 1fr}
  .filters .field-q{grid-column:1/-1}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  body{font-size:16px}
  .grid-3,.tiles,.grid-4,.grid-2,.footer-grid,.filters{grid-template-columns:1fr}
  .brand img{height:48px}
  .header-in{min-height:72px}
  .card-cta .btn{flex:1 1 40%}
  .cta-btns .btn,.hero-cta .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.site-footer,.cta,.nav-toggle{display:none}}

/* Complément : champs des filtres + fondu des photos à fond blanc */
.filters input,.filters select{width:100%;font:inherit;color:var(--ink);background:var(--white);border:1px solid #b9b5ab;border-radius:0;padding:.8rem .9rem}
.filters input:focus,.filters select:focus{outline:3px solid var(--gold-l);outline-offset:0;border-color:var(--navy)}
.card-img img,.cat-img img,.pd-img img,.hero-img img{mix-blend-mode:multiply}

/* Sélecteur de langue */
.lang-switch{display:flex;border:1px solid var(--line);flex-shrink:0}
.lang-switch a{display:block;padding:.45rem .6rem;font:700 .78rem/1 var(--f-body);letter-spacing:.1em;color:var(--navy);text-decoration:none;border-left:1px solid var(--line)}
.lang-switch a:first-child{border-left:0}
.lang-switch a:hover{background:var(--paper);color:var(--navy)}
.lang-switch a[aria-current]{background:var(--navy);color:#fff}
@media (max-width:1240px){.header-in{gap:.6rem}.brand{margin-right:auto}.lang-switch{order:1}.nav-toggle{order:2}}

/* Hero : diaporama */
.hero-img.slider{padding:0;position:relative}
.slides{position:relative;aspect-ratio:3/2;background:var(--paper)}
.slide{position:absolute;inset:0;display:block;opacity:0;visibility:hidden;transition:opacity .5s ease,visibility .5s;padding:1.4rem 1.2rem 3.6rem 2.2rem;text-decoration:none}
.slide.is-active{opacity:1;visibility:visible}
.slide img{width:100%;height:100%;aspect-ratio:auto;object-fit:contain}
.slide-cap{position:absolute;left:2.2rem;bottom:.9rem;font:700 1.1rem var(--f-head);letter-spacing:.08em;text-transform:uppercase;color:var(--navy);border-left:4px solid var(--gold-l);padding-left:.6rem}
.slider-ctrl{position:absolute;right:.8rem;bottom:.6rem;display:flex;align-items:center;gap:.5rem}
.slider-ctrl button{border:0;cursor:pointer}
.s-prev,.s-next{width:34px;height:34px;background:var(--navy);color:#fff;font-size:1.5rem;line-height:1;display:flex;align-items:center;justify-content:center;padding:0 0 3px}
.s-prev:hover,.s-next:hover{background:var(--navy-m)}
.s-dots{display:flex;gap:.4rem}
.s-dot{width:22px;height:5px;padding:0;background:#c3c0b6}
.s-dot.is-active{background:var(--gold)}
@media (prefers-reduced-motion:reduce){.slide{transition:none}}
@media (max-width:900px){.slide{padding:1rem 1rem 3.4rem 1rem}.slide-cap{left:1rem}}