/* Deepelec — feuille de style du site.
   Concept : panneaux bleu marine francs (charte du logo) sur fond blanc, typographie condensée de signalétique technique, vert du logo réservé aux repères. */
:root{
  --navy:#042983; --blue:#013D94; --sky:#018DCC; --green:#7DCE32;
  --ink:#0F1B33; --muted:#4F5B73; --bg:#FFFFFF; --tint:#EEF3FA; --line:#D6DEEB;
  --on-navy:#FFFFFF; --on-navy-muted:#C5D3EE;
  --display:"Barlow Semi Condensed","Arial Narrow",Arial,sans-serif;
  --body:"Barlow",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --wrap:1180px; --gutter:clamp(16px,4vw,40px);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:1.0625rem;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
h1,h2,h3{font-family:var(--display);line-height:1.1;text-wrap:balance;margin:0;color:var(--navy)}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:700}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:700}
h3{font-size:1.3rem;font-weight:600}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
.eyebrow{font-family:var(--display);font-weight:600;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:var(--sky);display:flex;align-items:center;gap:.6rem}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--green);border-radius:2px}
.lead{font-size:1.2rem;color:var(--muted);max-width:62ch}
.section{padding-block:clamp(56px,8vw,96px)}
.section.tint{background:var(--tint)}
.section-head{display:grid;gap:.9rem;margin-bottom:2.4rem;max-width:760px}
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--display);font-weight:600;font-size:1.05rem;letter-spacing:.02em;padding:.8rem 1.4rem;border-radius:4px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn-primary{background:var(--green);color:var(--ink)}
.btn-primary:hover{background:#6BB928}
.btn-navy{background:var(--navy);color:var(--on-navy)}
.btn-navy:hover{background:var(--blue)}
.btn-ghost{border-color:currentColor;color:var(--on-navy)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}

/* En-tête */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--bg);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:76px}
.brand img{width:170px}
.nav{display:flex;align-items:center;gap:1.4rem}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:1.3rem}
.nav a{font-family:var(--display);font-weight:600;font-size:1rem;color:var(--ink);text-decoration:none;padding-block:.3rem;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{color:var(--blue);border-bottom-color:var(--green)}
.nav .btn{padding:.55rem 1rem;border-bottom:0}
.nav a.btn,.nav a.btn:hover{color:var(--on-navy)}
.menu-toggle{display:none;background:none;border:2px solid var(--navy);color:var(--navy);border-radius:4px;font-family:var(--display);font-weight:600;font-size:1rem;padding:.45rem .8rem;cursor:pointer}
@media (max-width:1040px){
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:1rem var(--gutter) 1.4rem}
  .nav.open{display:flex}
  .nav ul{flex-direction:column;gap:.2rem}
  .nav a{display:block;padding:.6rem 0;border-bottom:1px solid var(--line)}
  .nav .btn{justify-content:center;margin-top:.6rem}
}

/* Hero */
.hero{background:var(--navy);color:var(--on-navy)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,56px);align-items:center;padding-block:clamp(40px,6vw,72px)}
.hero h1{color:var(--on-navy)}
.hero .eyebrow{color:var(--on-navy-muted)}
.hero .lead{color:var(--on-navy-muted)}
.hero-copy{display:grid;gap:1.3rem;min-width:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:.4rem}
.hero-media{position:relative;min-width:0}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:4px}
.hero-media.tall img{aspect-ratio:4/4.4}
.hero-media figcaption{position:absolute;left:-14px;bottom:18px;background:var(--green);color:var(--ink);font-family:var(--display);font-weight:600;padding:.45rem .9rem;border-radius:3px;font-size:.95rem}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero-media figcaption{left:12px}}

/* Chiffres clés */
.figures{background:var(--blue);color:var(--on-navy)}
.figures .wrap{display:grid;grid-template-columns:repeat(3,1fr)}
.figure{padding:1.6rem 1.4rem;display:grid;gap:.2rem;border-left:1px solid rgba(255,255,255,.2)}
.figure:first-child{border-left:0;padding-left:0}
@media (max-width:700px){.figure{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.2)}.figure:first-child{border-top:0}}
.figure strong{font-family:var(--display);font-size:clamp(1.8rem,3.4vw,2.5rem);font-weight:700;line-height:1;font-variant-numeric:tabular-nums}
.figure span{color:var(--on-navy-muted)}
@media (max-width:700px){.figures .wrap{grid-template-columns:1fr}}

/* Secteurs */
.sectors{display:grid;grid-template-columns:repeat(6,1fr);gap:1.4rem}
.sector{grid-column:span 2;display:grid;grid-template-rows:auto 1fr;background:var(--bg);border:1px solid var(--line);border-radius:4px;overflow:hidden;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.sector:hover{border-color:var(--sky);transform:translateY(-2px)}
.sector.feature{grid-column:span 3}
.sector img{width:100%;aspect-ratio:16/9;object-fit:cover}
.sector-body{padding:1.2rem 1.3rem 1.4rem;display:grid;gap:.5rem;align-content:start}
.sector-body .more{font-family:var(--display);font-weight:600;color:var(--blue);margin-top:.3rem}
.tag{justify-self:start;font-family:var(--display);font-weight:600;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;background:var(--green);color:var(--ink);padding:.15rem .55rem;border-radius:3px}
@media (max-width:960px){.sector,.sector.feature{grid-column:span 3}}
@media (max-width:640px){.sectors{grid-template-columns:1fr}.sector,.sector.feature{grid-column:auto}}

/* Bloc mis en avant */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.split > *{min-width:0}
.split img{width:100%;border-radius:4px;aspect-ratio:4/3;object-fit:cover}
.split img.portrait{aspect-ratio:4/5;max-height:640px}
.split .copy{display:grid;gap:1.1rem}
@media (max-width:860px){.split{grid-template-columns:1fr}.split.reverse .media{order:-1}}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.checks li{position:relative;padding-left:1.8rem}
.checks li::before{content:"";position:absolute;left:0;top:.45em;width:.95rem;height:.55rem;border-left:3px solid var(--green);border-bottom:3px solid var(--green);transform:rotate(-45deg)}

/* Engagements */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem}
.pillar{display:grid;gap:.6rem;align-content:start;padding-top:1.1rem;border-top:3px solid var(--navy)}
.pillar svg{width:34px;height:34px;color:var(--sky)}
.pillar p{color:var(--muted)}
@media (max-width:900px){.pillars{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.pillars{grid-template-columns:1fr}}

/* Références */
.trust{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 3rem}
.trust .label{font-family:var(--display);font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:.9rem}
.trust ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.6rem 2.6rem}
.trust li{font-family:var(--display);font-weight:700;font-size:clamp(1.5rem,3vw,2.1rem);color:var(--navy)}

/* Prestations */
.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:1.2rem}
.service{background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:1.4rem;display:grid;gap:.5rem;align-content:start}
.section.tint .service{border-color:transparent}
.service p{color:var(--muted)}

/* FAQ */
.faq{display:grid;gap:.7rem;max-width:860px}
.faq details{background:var(--bg);border:1px solid var(--line);border-radius:4px}
.faq summary{cursor:pointer;list-style:none;padding:1.1rem 3rem 1.1rem 1.3rem;font-family:var(--display);font-weight:600;font-size:1.15rem;color:var(--navy);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:1.2rem;top:50%;transform:translateY(-50%);font-size:1.6rem;color:var(--sky)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 1.3rem 1.2rem;color:var(--muted)}

/* Appel à l'action */
.cta{background:var(--navy);color:var(--on-navy)}
.cta .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.6rem;padding-block:clamp(40px,6vw,64px)}
.cta h2{color:var(--on-navy)}
.cta p{color:var(--on-navy-muted);margin-top:.5rem}
.cta .actions{display:flex;flex-wrap:wrap;gap:.8rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,5vw,64px);align-items:start}
.contact-grid > *{min-width:0}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
.coords{display:grid;gap:1.3rem}
.coord{display:grid;gap:.15rem}
.coord .k{font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:.85rem;color:var(--sky)}
.coord .v{font-size:1.2rem;color:var(--ink);overflow-wrap:anywhere}
.coord a.v{text-decoration:none;color:var(--navy);font-weight:500}
form.contact{display:grid;gap:1rem;background:var(--tint);padding:clamp(18px,3vw,32px);border-radius:4px}
.field{display:grid;gap:.35rem}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:560px){.row{grid-template-columns:1fr}}
label{font-weight:500}
input,select,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:.7rem .8rem;width:100%}
textarea{min-height:150px;resize:vertical}
.form-note{font-size:.9rem;color:var(--muted)}
.form-status{font-weight:500;color:var(--navy)}

/* Pages de texte */
.prose{max-width:760px;display:grid;gap:1rem}
.prose h2{font-size:1.5rem;margin-top:1.4rem}
.prose dl{display:grid;grid-template-columns:max-content 1fr;gap:.4rem 1.2rem;margin:0}
.prose dt{font-weight:600}
.prose dd{margin:0;overflow-wrap:anywhere}
@media (max-width:560px){.prose dl{grid-template-columns:1fr}.prose dd{margin-bottom:.5rem}}

/* Fil d'Ariane */
.crumbs{font-size:.9rem;color:var(--on-navy-muted)}
.crumbs a{color:var(--on-navy)}

/* Pied de page */
.site-footer{background:var(--tint);border-top:1px solid var(--line);padding-block:48px 28px;font-size:.98rem}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2rem}
.footer-grid > *{min-width:0}
.footer-grid h3{font-size:1.05rem;margin-bottom:.7rem;text-transform:uppercase;letter-spacing:.08em}
.footer-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:.35rem}
.footer-grid a{color:var(--ink);text-decoration:none}
.footer-grid a:hover{color:var(--blue);text-decoration:underline}
.footer-grid .brand img{width:180px;margin-bottom:.9rem}
.footer-grid p{color:var(--muted)}
.legal{margin-top:2.2rem;padding-top:1.2rem;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem;color:var(--muted);font-size:.9rem}
.legal a{color:var(--muted)}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}}