/* ============================================================
   BM ÉLECTRIQUE — Site web statique
   Styles autonomes (basés sur le système de design)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&display=swap');

:root{
  --orange:#F17F26; --orange-on-dark:#ECA146;
  --orange-50:#FEF3E9; --orange-100:#FCE1C7; --orange-600:#D9650F; --orange-700:#B5530C;
  --ink:#212121; --ink-700:#2E2E2E; --ink-900:#161616;
  --gray-500:#6B6B6B; --gray-300:#C9C7C4; --gray-200:#E5E3E0; --gray-100:#F2F0ED; --gray-50:#FAF9F7;
  --success:#2E9E5B; --error:#D64545;
  --font:'Montserrat',system-ui,-apple-system,'Segoe UI',sans-serif;
  --shadow-sm:0 1px 2px rgba(33,33,33,.06),0 1px 3px rgba(33,33,33,.10);
  --shadow-md:0 4px 12px rgba(33,33,33,.10);
  --shadow-brand:0 8px 24px rgba(241,127,38,.32);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased;line-height:1.6}
a{text-decoration:none;color:inherit}
img{display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.eyebrow{font-weight:600;font-size:14px;text-transform:uppercase;letter-spacing:.18em;color:var(--orange-600)}

/* ---------- Buttons ---------- */
.btn{font-family:var(--font);font-weight:700;font-size:15px;border:0;cursor:pointer;border-radius:10px;
  padding:13px 24px;display:inline-flex;align-items:center;gap:8px;transition:all .18s ease;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-600);box-shadow:var(--shadow-brand);transform:translateY(-1px)}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{background:var(--gray-100)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%;justify-content:center}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--gray-200)}
.site-header .wrap{display:flex;align-items:center;gap:22px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:11px}
.brand img{width:44px;height:44px;object-fit:contain}
.brand .bm{display:block;font-weight:900;font-size:22px;letter-spacing:-.02em;line-height:.85}
.brand .sub{display:block;font-weight:300;font-size:9px;letter-spacing:.3em;color:var(--gray-500)}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{font-size:14px;font-weight:600;padding:8px 11px;border-radius:8px;transition:background .15s;white-space:nowrap}
.nav a:hover{background:var(--orange-50);color:var(--orange-600)}
.header-cta{display:flex;align-items:center;gap:14px}
.tel{display:flex;align-items:center;gap:7px;font-weight:700;font-size:14px;white-space:nowrap}
.tel svg{width:16px;height:16px}

/* ---------- Hero ---------- */
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.hero .ring{position:absolute;inset:0;border:0;border-radius:0;pointer-events:none;
  background:repeating-radial-gradient(circle at 100% 0, rgba(241,127,38,.26) 0 2px, transparent 2px 52px);
  -webkit-mask-image:radial-gradient(circle at 100% 0, #000, transparent 72%);mask-image:radial-gradient(circle at 100% 0, #000, transparent 72%)}
.hero .wrap{padding:88px 28px 96px;position:relative}
.hero-inner{max-width:720px}
.hero h1{font-weight:800;font-size:64px;line-height:.98;letter-spacing:-.02em;margin:18px 0 20px;text-transform:uppercase}
.hero h1 .accent{color:var(--orange)}
.hero p{font-size:19px;line-height:1.55;color:rgba(255,255,255,.78);max-width:560px;margin:0 0 32px}
.hero-eyebrow{font-weight:600;font-size:14px;text-transform:uppercase;letter-spacing:.18em;color:var(--orange-on-dark)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.stats{display:flex;gap:30px;margin-top:48px;flex-wrap:wrap}
.stats .n{font-weight:800;font-size:30px;color:var(--orange-on-dark)}
.stats .l{font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- Sections ---------- */
section{scroll-margin-top:80px}
.sec-pad{padding:80px 0}
.sec-head h2{font-weight:700;font-size:36px;line-height:1.08;letter-spacing:-.015em;margin:10px 0 8px;text-wrap:balance}
.lead{font-size:18px;color:var(--gray-500);max-width:560px;margin:0}

/* ---------- Services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.svc{background:#fff;border:1px solid var(--gray-200);border-radius:16px;padding:26px;transition:all .2s ease}
.svc:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.svc .ico{width:50px;height:50px;border-radius:10px;background:var(--orange-50);color:var(--orange-600);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.svc .ico svg{width:26px;height:26px}
.svc h3{font-weight:700;font-size:21px;margin:0 0 8px}
.svc p{font-size:14px;line-height:1.55;color:var(--gray-500);margin:0}
.svc .more{display:flex;align-items:center;gap:6px;margin-top:16px;color:var(--orange-600);font-weight:700;font-size:14px}
.svc .more svg{width:16px;height:16px;stroke-width:3}

/* ---------- Why us (orange band) ---------- */
.why{background:var(--orange);color:#fff;position:relative;overflow:hidden}
.why .corner{position:absolute;top:0;right:0;width:200px;height:110px;border-left:2px solid rgba(255,255,255,.55);border-bottom:2px solid rgba(255,255,255,.55);border-bottom-left-radius:70px}
.why .wrap{padding:76px 28px}
.why h2{font-weight:800;font-size:44px;line-height:1;letter-spacing:-.02em;text-transform:uppercase;margin:0 0 44px}
.why h2 .low{text-transform:none;font-weight:700}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.why-item{display:flex;gap:16px}
.why-item .chev{font-size:34px;font-weight:900;line-height:.9;flex:none}
.why-item h3{font-weight:700;font-size:22px;margin:0 0 6px}
.why-item p{font-size:15px;line-height:1.55;color:rgba(255,255,255,.85);margin:0}

/* ---------- Contact ---------- */
.contact{background:var(--gray-50)}
.contact .grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:18px;margin-top:28px}
.ci-item{display:flex;gap:14px;align-items:center}
.ci-item .ico{width:44px;height:44px;border-radius:10px;background:var(--orange-50);color:var(--orange-600);display:flex;align-items:center;justify-content:center;flex:none}
.ci-item .ico svg{width:20px;height:20px}
.ci-item .t{font-size:12px;color:var(--gray-500);font-weight:600}
.ci-item .v{font-size:16px;font-weight:700;white-space:nowrap}
.form-card{background:#fff;border:1px solid var(--gray-200);border-radius:16px;box-shadow:var(--shadow-md);padding:32px}
.form-card h3{font-weight:700;font-size:22px;margin:0 0 20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:700;margin-bottom:6px}
.field input,.field select,.field textarea{font-family:var(--font);font-size:15px;padding:12px 14px;border-radius:10px;
  border:1.5px solid var(--gray-300);background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s;width:100%}
.field textarea{resize:vertical;min-height:110px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px var(--orange-100)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:#fff}
.site-footer .wrap{padding:60px 28px 30px}
.foot-top{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-about{max-width:300px}
.foot-about img{width:64px;height:64px;object-fit:contain;border-radius:8px}
.foot-about p{font-size:14px;line-height:1.6;color:rgba(255,255,255,.6);margin-top:16px}
.foot-col h4,
.foot-contact h4{font-weight:700;font-size:15px;margin:0 0 14px}
.foot-col .links{display:flex;flex-direction:column;gap:9px}
.foot-col .links a{font-size:14px;color:rgba(255,255,255,.7)}
.foot-col .links a:hover{color:#fff}
.foot-contact{min-width:220px}
.foot-contact .row{display:flex;gap:9px;align-items:center;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:10px}
.foot-contact .row svg{width:16px;height:16px}
.foot-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:22px;font-size:12px;color:rgba(255,255,255,.45)}

/* ---------- Form feedback ---------- */
.form-sent{display:none;text-align:center;padding:30px 10px}
.form-sent .check{width:64px;height:64px;border-radius:50%;background:rgba(46,158,91,.12);color:var(--success);display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.form-sent .check svg{width:34px;height:34px}
.form-sent h3{font-weight:800;font-size:24px;margin:0 0 8px}
.form-sent p{font-size:15px;color:var(--gray-500);margin:0}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .nav,.tel{display:none}
}
@media (max-width:900px){
  .hero h1{font-size:44px}
  .svc-grid{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:1fr;gap:22px}
  .contact .grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:560px){
  .svc-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .hero h1{font-size:36px}
  .sec-head h2,.why h2{font-size:30px}
}

/* ---------- Service cards as buttons ---------- */
.svc{font-family:var(--font);text-align:left;cursor:pointer;color:inherit}
a.svc{display:block}

/* ---------- Page banner (sous-pages) ---------- */
.page-hero{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.page-hero .ring{position:absolute;inset:0;border:0;border-radius:0;pointer-events:none;
  background:repeating-radial-gradient(circle at 100% 0, rgba(241,127,38,.24) 0 2px, transparent 2px 46px);
  -webkit-mask-image:radial-gradient(circle at 100% 0, #000, transparent 70%);mask-image:radial-gradient(circle at 100% 0, #000, transparent 70%)}
.page-hero .wrap{padding:64px 28px;position:relative}
.page-hero .eyebrow{color:var(--orange-on-dark)}
.page-hero h1{font-weight:800;font-size:52px;line-height:1;letter-spacing:-.02em;text-transform:uppercase;margin:12px 0 14px}
.page-hero p{font-size:18px;line-height:1.55;color:rgba(255,255,255,.78);max-width:600px;margin:0}
.crumbs{font-size:13px;color:rgba(255,255,255,.5);margin-bottom:6px}
.crumbs a{color:rgba(255,255,255,.7)}
.crumbs a:hover{color:#fff}

/* ---------- CTA band (accueil) ---------- */
.cta-band{background:var(--orange);color:#fff;position:relative;overflow:hidden}
.cta-band .corner{position:absolute;top:0;right:0;width:200px;height:110px;border-left:2px solid rgba(255,255,255,.55);border-bottom:2px solid rgba(255,255,255,.55);border-bottom-left-radius:70px}
.cta-band .wrap{padding:64px 28px;position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{font-weight:800;font-size:40px;line-height:1.02;letter-spacing:-.02em;text-transform:uppercase;margin:0;max-width:620px}
.cta-band .btn{background:#fff;color:var(--ink)}
.cta-band .btn:hover{background:var(--gray-100);transform:translateY(-1px)}

/* ---------- Réalisations (galerie) ---------- */
.realisations{background:#fff}
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.proj{border-radius:16px;overflow:hidden;border:1px solid var(--gray-200);background:#fff;transition:all .2s ease}
.proj:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.proj .photo{aspect-ratio:4/3;background:var(--gray-100);position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.proj .photo img{width:100%;height:100%;object-fit:cover}
.proj .photo .placeholder{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--gray-500);text-align:center;padding:16px}
.proj .photo .placeholder svg{width:34px;height:34px;opacity:.5}
.proj .photo .placeholder span{font-size:12px;font-weight:600;max-width:180px;line-height:1.4}
.proj .photo .tag{position:absolute;top:12px;left:12px;background:var(--orange);color:#fff;font-size:11px;font-weight:700;padding:5px 11px;border-radius:999px}
.proj .body{padding:18px 20px}
.proj .body h3{font-weight:700;font-size:18px;margin:0 0 5px}
.proj .body p{font-size:13px;color:var(--gray-500);margin:0;line-height:1.5}
.proj .body .loc{display:flex;align-items:center;gap:5px;margin-top:10px;font-size:12px;font-weight:600;color:var(--orange-600)}
.proj .body .loc svg{width:14px;height:14px}
.realisations .note{margin-top:28px;font-size:13px;color:var(--gray-500);text-align:center}

/* ---------- Carrières ---------- */
.careers{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.careers .ring{position:absolute;bottom:-120px;left:-80px;width:340px;height:340px;border:2px solid rgba(241,127,38,.22);border-radius:50%}
.careers .wrap{padding:80px 28px;position:relative}
.careers-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.careers .eyebrow{color:var(--orange-on-dark)}
.careers h2{font-weight:800;font-size:46px;line-height:1;letter-spacing:-.02em;text-transform:uppercase;margin:12px 0 18px}
.careers h2 .low{text-transform:none;font-weight:700;display:block}
.careers .intro{font-size:18px;line-height:1.55;color:rgba(255,255,255,.78);margin:0 0 28px;max-width:520px}
.perks{display:flex;flex-direction:column;gap:18px;margin-bottom:32px}
.perk{display:flex;gap:16px;align-items:flex-start}
.perk .chev{font-size:28px;font-weight:900;line-height:.9;color:var(--orange-on-dark);flex:none}
.perk h4{font-weight:700;font-size:18px;margin:0 0 3px}
.perk p{font-size:14px;line-height:1.5;color:rgba(255,255,255,.7);margin:0}
.job-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:30px}
.job-card .badge{display:inline-block;background:var(--orange);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;margin-bottom:16px}
.job-card h3{font-weight:800;font-size:28px;margin:0 0 8px;line-height:1.1}
.job-card .meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin:0 0 18px;font-size:13px;color:rgba(255,255,255,.7)}
.job-card .meta span{display:flex;align-items:center;gap:6px}
.job-card .meta svg{width:15px;height:15px}
.job-card p{font-size:14px;line-height:1.6;color:rgba(255,255,255,.8);margin:0 0 22px}

/* ---------- Modal (popup) ---------- */
.modal-overlay{position:fixed;inset:0;z-index:100;background:rgba(22,22,22,.55);backdrop-filter:blur(3px);
  display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.open{display:flex}
.modal{background:#fff;border-radius:24px;box-shadow:0 24px 60px rgba(0,0,0,.3);width:100%;max-width:560px;
  max-height:90vh;overflow-y:auto;position:relative;padding:36px}
.modal-close{position:absolute;top:18px;right:18px;background:var(--gray-100);border:0;width:38px;height:38px;
  border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--gray-500);transition:background .15s}
.modal-close:hover{background:var(--gray-200)}
.modal-close svg{width:19px;height:19px}
.modal .m-ico{width:56px;height:56px;border-radius:12px;background:var(--orange-50);color:var(--orange-600);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.modal .m-ico svg{width:30px;height:30px}
.modal h3{font-weight:800;font-size:28px;margin:0 0 10px;letter-spacing:-.01em}
.modal .m-lead{font-size:16px;line-height:1.55;color:var(--gray-500);margin:0 0 22px}
.modal .m-list{list-style:none;margin:0 0 26px;padding:0;display:flex;flex-direction:column;gap:12px}
.modal .m-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.45}
.modal .m-list .chev{color:var(--orange);font-weight:900;font-size:20px;line-height:1.1;flex:none}
.modal .m-actions{display:flex;gap:12px;flex-wrap:wrap}

/* careers modal form */
.modal .form-grid{margin-bottom:0}

@media (max-width:900px){
  .careers-grid{grid-template-columns:1fr;gap:36px}
  .proj-grid{grid-template-columns:1fr 1fr}
  .careers h2{font-size:36px}
  .page-hero h1{font-size:38px}
  .cta-band h2{font-size:30px}
}

/* ---------- « Pourquoi » en disposition verticale (page Carrières) ---------- */
.why--stack .why-grid{grid-template-columns:1fr;gap:40px;max-width:760px}
.why--stack .why-item{gap:22px}
.why--stack .why-item .chev{font-size:40px}
.why--stack .why-item h3{font-size:26px;margin:0 0 8px}
.why--stack .why-item p{font-size:17px;line-height:1.6}
@media (max-width:560px){
  .proj-grid{grid-template-columns:1fr}
  .modal{padding:26px 22px}
}