:root{
  --navy:#0b1a2e; --navy-2:#12253f; --blue:#0a4a92; --blue-l:#1f6fd1; --yellow:#f5b700;
  --text:#1c2430; --muted:#5b6575; --bg:#ffffff; --bg-2:#f3f6fa; --line:#dde3ec;
  --radius:10px; --max:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;font-size:17px}
img{max-width:100%;height:auto}
a{color:var(--blue)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* Barre du haut */
.topbar{background:var(--navy);color:#c9d4e3;font-size:14px}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:6px 26px;justify-content:center;padding-top:8px;padding-bottom:8px}
.topbar a{color:#fff;text-decoration:none;font-weight:600}

/* En-tête */
header.site{background:var(--navy-2);position:sticky;top:0;z-index:10;box-shadow:0 2px 10px rgba(0,0,0,.25)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:10px;padding-bottom:10px}
.logo img{height:56px;width:auto;display:block}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;flex-wrap:wrap}
nav a{color:#fff;text-decoration:none;font-weight:600;font-size:15px;text-transform:uppercase;letter-spacing:.04em;padding:8px 12px;border-radius:6px;display:block}
nav a:hover,nav a[aria-current="page"]{background:rgba(255,255,255,.1);color:var(--yellow)}
.btn{display:inline-block;background:var(--yellow);color:var(--navy);font-weight:700;text-decoration:none;padding:12px 22px;border-radius:6px;text-transform:uppercase;letter-spacing:.04em;font-size:15px;border:0;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn.outline{background:transparent;color:#fff;border:2px solid #fff}
.menu-toggle{display:none;background:none;border:2px solid #fff;color:#fff;border-radius:6px;padding:6px 10px;font-size:15px;font-weight:700;cursor:pointer}
@media (max-width:820px){
  .menu-toggle{display:block}
  nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--navy-2);padding:8px 20px 16px}
  nav.open{display:block}
  nav ul{flex-direction:column}
  header.site .wrap{position:relative}
  header.site .btn.head-cta{display:none}
  .logo img{height:46px}
}

/* Bandeau */
.hero{background:radial-gradient(1200px 500px at 80% -10%,#1d4f8f 0%,transparent 60%),linear-gradient(160deg,var(--navy) 0%,#0e2a4d 100%);color:#fff;text-align:center;padding:90px 0 100px;position:relative;overflow:hidden}
.hero h1{font-size:clamp(34px,6vw,60px);line-height:1.1;margin:0 0 18px;font-weight:800}
.hero p{font-size:clamp(17px,2.2vw,21px);max-width:760px;margin:0 auto 30px;color:#d5deea}
.hero .actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero.small{padding:60px 0 64px}
.eyebrow{display:inline-block;color:var(--yellow);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:14px;margin-bottom:10px}

/* Sections */
section{padding:70px 0}
section.alt{background:var(--bg-2)}
h2{font-size:clamp(26px,3.6vw,36px);line-height:1.2;margin:0 0 18px;color:var(--navy)}
h3{margin:0 0 8px;color:var(--navy);font-size:20px}
.lead{color:var(--muted);max-width:760px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;margin-top:30px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 2px 8px rgba(11,26,46,.05)}
.card .ico{width:46px;height:46px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;margin-bottom:14px}
.card .ico svg{width:24px;height:24px}
.card p{margin:0;color:var(--muted);font-size:16px}

.two{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media (max-width:820px){.two{grid-template-columns:1fr}}
.checks{list-style:none;padding:0;margin:20px 0 0}
.checks li{padding-left:34px;position:relative;margin-bottom:10px;font-weight:600}
.checks li::before{content:"";position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;background:var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/14px no-repeat}
.panel{background:var(--navy);color:#fff;border-radius:var(--radius);padding:34px}
.panel h3{color:#fff}
.panel p{color:#c9d4e3}
.panel .big{font-size:30px;font-weight:800;color:var(--yellow);text-decoration:none;display:inline-block;margin:6px 0 14px}

/* Services détaillés */
.service{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--line)}
.service:last-child{border-bottom:0}
.service .ico{width:64px;height:64px;border-radius:14px;background:var(--blue);color:#fff;display:grid;place-items:center}
.service .ico svg{width:32px;height:32px}
.service p{margin:0;color:var(--muted)}
.tags{color:var(--blue);font-weight:600}

.reasons{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:26px;counter-reset:r}
.reasons div{background:#fff;border-radius:var(--radius);padding:22px 22px 22px 70px;position:relative;border:1px solid var(--line)}
.reasons div::before{counter-increment:r;content:counter(r);position:absolute;left:20px;top:20px;width:34px;height:34px;border-radius:50%;background:var(--yellow);color:var(--navy);font-weight:800;display:grid;place-items:center}
.reasons p{margin:0}

/* FAQ */
.faq{max-width:820px;margin:26px auto 0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--blue)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0;padding:0 22px 18px;color:var(--muted)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:26px}
.contact-grid .card a{font-weight:700;font-size:20px;text-decoration:none}
iframe.map{width:100%;height:340px;border:0;border-radius:var(--radius);margin-top:26px}

/* CTA */
.cta{background:linear-gradient(120deg,var(--blue) 0%,#0b3a74 100%);color:#fff;text-align:center;padding:56px 0}
.cta h2{color:#fff}
.cta p{color:#d5deea;margin:0 0 22px}

/* Pied de page */
footer.site{background:var(--navy);color:#b5c2d4;padding:46px 0 24px;font-size:15px}
footer.site .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:26px}
footer.site h4{color:#fff;margin:0 0 10px;font-size:16px;text-transform:uppercase;letter-spacing:.06em}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin-bottom:6px}
footer.site a{color:#fff;text-decoration:none}
footer.site a:hover{color:var(--yellow)}
footer.site .bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:18px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.cmeq{height:44px;width:auto;margin-top:10px}

.prose{max-width:820px}
.prose h2{font-size:24px;margin-top:34px}

/* Photos */
.hero{background:linear-gradient(160deg,rgba(11,26,46,.92) 0%,rgba(14,42,77,.82) 100%),url("img/electricien-commercial-la-sarre.jpg") center/cover no-repeat}
.card.photo{padding:0;overflow:hidden;display:flex;flex-direction:column}
.card.photo img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover}
.card.photo .card-body{padding:18px 20px 22px}
.service{grid-template-columns:260px 1fr;align-items:center}
.service img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius);display:block}
@media (max-width:640px){.service{grid-template-columns:1fr}}
.card.photo .card-body{position:relative;padding-top:38px}
.card.photo .ico{position:absolute;top:-23px;left:20px;margin:0;box-shadow:0 0 0 4px #fff}