/* =========================================================================
   IT Bâtiment — feuille de style commune (toutes les pages)
   Style BOLD (Proposition 2 · Full Impact) · plan STARTER
   Accent = bleu du logo. Titres Archivo (MAJUSCULES) · texte Plus Jakarta Sans.
   Un seul fichier = une seule source pour couleurs / polices / rythme.
   ========================================================================= */
:root{
  --bg:#ffffff;
  --bg-soft:#f3f5f9;
  --ink:#11161d;
  --body:#4f5762;
  --muted:#8b93a0;
  --line:#e3e8ef;
  --accent:#1763c7;
  --accent-deep:#0e3c8c;
  --dark:#0d1420;
  --maxw:1200px;
  --r:6px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--body);
  font-family:"Plus Jakarta Sans",system-ui,sans-serif;font-size:1.04rem;line-height:1.7;
  -webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:"Archivo",system-ui,sans-serif;color:var(--ink);line-height:1.05;
  margin:0 0 .5em;text-transform:uppercase;letter-spacing:-.005em}
h1{font-size:clamp(2.5rem,6.4vw,5rem);font-weight:900;letter-spacing:-.02em}
h2{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:800}
h3{font-size:1.16rem;font-weight:700;text-transform:none;letter-spacing:0}
p{margin:0 0 1rem}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:104px 0}
.eyebrow{display:inline-block;font-family:"Archivo";font-size:.78rem;font-weight:800;letter-spacing:.22em;
  text-transform:uppercase;color:var(--accent);margin-bottom:.9rem}
.lead{font-size:1.16rem;max-width:58ch}
.shead{margin-bottom:50px}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}

/* buttons — bold : pleins, marqués */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;min-height:58px;
  padding:0 36px;font-family:"Archivo";font-weight:800;font-size:.95rem;letter-spacing:.04em;
  text-transform:uppercase;border-radius:var(--r);border:0;cursor:pointer;
  transition:transform .14s,box-shadow .2s,background .2s}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 26px rgba(23,99,199,.32)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--accent-deep)}
.btn-light:hover{transform:translateY(-2px)}
.btn-ghost{background:transparent;border:2px solid rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* header — transparent puis solide */
header{position:fixed;top:0;left:0;right:0;z-index:70;transition:background .3s,box-shadow .3s,padding .3s;padding:8px 0}
header.solid{background:#fff;box-shadow:0 4px 24px rgba(0,0,0,.09)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:"Archivo";font-weight:900;font-size:1.3rem;
  text-transform:uppercase;letter-spacing:.02em;color:#fff}
header.solid .brand{color:var(--ink)}
.brand img{height:42px;background:#fff;border-radius:4px;padding:3px}
header.solid .brand img{padding:0}
.menu{display:flex;gap:30px;font-family:"Archivo";font-weight:600;text-transform:uppercase;
  font-size:.84rem;letter-spacing:.06em}
.menu a{color:rgba(255,255,255,.92);padding:6px 0;border-bottom:2px solid transparent}
header.solid .menu a{color:var(--ink)}
.menu a:hover,.menu a[aria-current="page"]{border-color:var(--accent);color:#fff}
header.solid .menu a:hover,header.solid .menu a[aria-current="page"]{color:var(--accent)}
.nav-r{display:flex;align-items:center;gap:18px}
.burger{display:none;background:none;border:0;font-size:1.7rem;color:#fff;cursor:pointer;line-height:1}
header.solid .burger{color:var(--ink)}
/* header solide par défaut sur les pages intérieures (fond clair) */
header.static-solid{position:fixed;background:#fff;box-shadow:0 4px 24px rgba(0,0,0,.09)}
header.static-solid .brand{color:var(--ink)}
header.static-solid .brand img{padding:0}
header.static-solid .menu a{color:var(--ink)}
header.static-solid .menu a:hover,header.static-solid .menu a[aria-current="page"]{color:var(--accent)}
header.static-solid .burger{color:var(--ink)}

/* hero — plein écran + overlay (accueil) */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(105deg,rgba(8,14,24,.93) 0%,rgba(13,32,64,.82) 45%,rgba(23,99,199,.55) 100%),
  url('images/hero.jpg');background-size:cover;background-position:center}
.hero .wrap{position:relative;z-index:1;padding-top:120px;padding-bottom:60px;width:100%}
.hero h1{color:#fff;max-width:16ch}
.hero .eyebrow{color:#7fb2ff}
.hero p{color:#dde6f1;font-size:1.22rem;max-width:46ch;margin-top:.6rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:38px}
.hero-bar{position:absolute;left:0;right:0;bottom:0;z-index:1;border-top:1px solid rgba(255,255,255,.18);
  background:rgba(8,14,24,.45);backdrop-filter:blur(4px)}
.hero-bar .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-top:22px;padding-bottom:22px}
.hbar{display:flex;align-items:center;gap:.7rem;color:#fff;font-size:.92rem}
.hbar svg{width:24px;height:24px;color:#7fb2ff;flex:none}
.hbar b{font-family:"Archivo";font-weight:800;display:block;font-size:1.02rem}

/* page-hero — en-tête des pages intérieures */
.page-hero{position:relative;background:var(--dark);color:#fff;padding:148px 0 56px;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(105deg,rgba(8,14,24,.96),rgba(13,32,64,.68))}
.page-hero .wrap{position:relative;z-index:1}
.page-hero .eyebrow{color:#7fb2ff}
.page-hero h1{color:#fff;font-size:clamp(2rem,5vw,3.4rem)}
.page-hero p{color:#cdd5e0;max-width:62ch;margin:0;font-size:1.1rem}

/* breadcrumb */
.breadcrumb{background:var(--bg-soft);border-bottom:1px solid var(--line);font-size:.82rem}
.breadcrumb .wrap{padding-top:14px;padding-bottom:14px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .cur{color:var(--ink);font-weight:600}

/* métiers — cartes photo bold */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.svc{border-radius:var(--r);overflow:hidden;background:#fff;border:1px solid var(--line);
  transition:transform .16s,box-shadow .16s}
.svc:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(13,32,64,.16)}
.svc .ph{height:160px;background-size:cover;background-position:center;position:relative}
.svc .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(13,20,32,.5))}
.svc .bd{padding:24px}
.svc h3{margin-bottom:.35rem}
.svc p{font-size:.93rem;margin:0}

/* services détaillés (page services) */
.svc-detail{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px;
  border-top:4px solid var(--accent)}
.svc-card h3{color:var(--ink);font-size:1.3rem;text-transform:none}
.svc-card>p{margin:.4rem 0 1rem}
.svc-card ul{margin:.4rem 0 1.4rem}
.svc-card li{padding-left:22px;position:relative;margin-bottom:9px;color:var(--body);font-size:.96rem}
.svc-card li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--accent);transform:rotate(45deg)}

/* bande accent bold */
.band{background:linear-gradient(115deg,var(--accent-deep),var(--accent));color:#fff;text-align:center}
.band h2{color:#fff;margin-bottom:.4rem}
.band p{color:rgba(255,255,255,.9);max-width:56ch;margin:0 auto 28px}

/* atouts — bande sombre */
.atouts{background:var(--dark);color:#cdd5e0}
.atouts h2{color:#fff}
.atouts .shead{margin-bottom:44px}
.atouts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}
.atout{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);padding:30px}
.atout .ic{width:54px;height:54px;border-radius:var(--r);background:var(--accent);color:#fff;
  display:grid;place-items:center;margin-bottom:18px}
.atout .ic svg{width:28px;height:28px}
.atout h3{color:#fff;margin-bottom:.4rem}
.atout p{font-size:.95rem;margin:0}

/* réalisations — bold full bleed */
.real-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.real{position:relative;border-radius:var(--r);overflow:hidden;height:300px}
.real img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.real:hover img{transform:scale(1.06)}
.real .cap{position:absolute;left:0;right:0;bottom:0;padding:22px;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(8,14,24,.86))}
.real .tag{font-family:"Archivo";font-size:.7rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#7fb2ff}
.real h3{color:#fff;margin:.25rem 0 0;font-size:1.08rem}
.real-note{font-size:.8rem;color:var(--muted);margin-top:22px;text-align:center}

/* avis */
.avis-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.avis-item{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;position:relative}
.avis-item::before{content:"\201C";position:absolute;top:10px;right:22px;font-family:"Archivo";font-weight:900;
  font-size:4rem;color:var(--accent);opacity:.16;line-height:1}
.stars{color:#e8a020;letter-spacing:2px;margin-bottom:12px}
.avis-item .q{color:var(--ink);font-weight:500;margin-bottom:14px}
.avis-item .who{font-family:"Archivo";font-weight:700;color:var(--ink)}
.avis-item .who small{display:block;font-family:"Plus Jakarta Sans";font-weight:400;color:var(--muted);font-size:.84rem}
.avis-item .ex{font-size:.72rem;color:var(--muted)}

/* chiffres clés */
.chiffres{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.chiffre{background:var(--bg-soft);border-radius:var(--r);padding:34px 24px}
.chiffre b{font-family:"Archivo";font-weight:900;font-size:2.7rem;color:var(--accent);display:block;line-height:1}
.chiffre span{font-size:.92rem;color:var(--body);margin-top:.4rem;display:block}

/* about / contenu */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.prose{max-width:760px}
.prose h2{font-size:1.6rem;margin-top:1.6em}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:1.4em;text-transform:none}
.prose p,.prose li{color:var(--body)}
.prose ul{list-style:disc;padding-left:1.3em;margin:0 0 1rem}
.prose li{margin-bottom:.5rem}
.prose a{color:var(--accent);text-decoration:underline}
.prose strong{color:var(--ink)}
.note-box{background:#eaf2fd;border-left:4px solid var(--accent);border-radius:var(--r);padding:18px 22px;
  font-size:.95rem;color:var(--accent-deep);margin:1.2rem 0}
/* .todo = note interne de rédaction (assurance, médiateur, certifications).
   Masquées en production — retirer `display:none` une fois les infos complétées. */
.todo{background:#fff7e6;border:1px dashed #e8a020;border-radius:var(--r);padding:3px 9px;font-size:.82rem;
  color:#7a5b00;font-weight:600;display:none}

/* zone — liste (STARTER, sans iframe) */
.zone{background:var(--bg-soft)}
.zone .wrap{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.deps{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 22px}
.dep{font-family:"Archivo";font-weight:800;background:var(--accent);color:#fff;border-radius:var(--r);
  padding:8px 16px;font-size:.92rem;letter-spacing:.04em}
.zone-cities{columns:2;column-gap:22px}
.zone-cities li{padding-left:24px;position:relative;margin-bottom:12px;color:var(--ink);font-weight:500}
.zone-cities li::before{content:"";position:absolute;left:0;top:8px;width:9px;height:9px;background:var(--accent);
  transform:rotate(45deg)}
.zone-card{background:var(--dark);color:#fff;border-radius:var(--r);padding:40px}
.zone-card .big{font-family:"Archivo";font-weight:900;font-size:3.4rem;color:#7fb2ff;line-height:1}
.zone-card p{color:#cdd5e0;margin:.6rem 0 0}

/* devis / contact */
.devis .wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:54px;align-items:start}
.cline{display:flex;align-items:center;gap:.7rem;margin-bottom:16px;color:var(--ink);font-weight:500}
.cline svg{width:20px;height:20px;color:var(--accent);flex:none}
.cline a{font-family:"Archivo";font-weight:700}
form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px;
  box-shadow:0 20px 50px rgba(13,32,64,.1)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.fld{margin-bottom:18px}
label{display:block;font-family:"Archivo";font-size:.78rem;font-weight:700;letter-spacing:.05em;
  text-transform:uppercase;color:var(--ink);margin-bottom:7px}
input,select,textarea{width:100%;padding:14px 15px;border:1.5px solid var(--line);border-radius:var(--r);
  font-family:"Plus Jakarta Sans";font-size:1rem;color:var(--ink);background:var(--bg-soft)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);background:#fff}
.hp{position:absolute!important;left:-9999px;height:1px;width:1px;overflow:hidden}
.rgpd{display:flex;gap:10px;align-items:flex-start;font-size:.84rem;color:var(--muted);text-transform:none;letter-spacing:0;margin-bottom:6px}
.rgpd input{width:auto;margin-top:4px}
.fnote{font-size:.78rem;color:var(--muted);margin:10px 0 0}
.ok-msg{display:none;background:#eaf2fd;border:1.5px solid var(--accent);border-radius:var(--r);padding:16px;color:var(--accent-deep);margin-top:14px;font-size:.94rem}

/* footer */
footer{background:var(--dark);color:#9aa3af;padding:70px 0 0}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1.1fr;gap:40px;padding-bottom:46px}
footer h4{font-family:"Archivo";color:#fff;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
footer p{margin:0 0 8px}
footer a:hover{color:#fff}
footer .fbrand img{height:40px;background:#fff;padding:4px;border-radius:4px;margin-bottom:16px}
footer .fc li,footer .fl li{margin-bottom:9px}
footer .fc li{display:flex;gap:.55rem;align-items:flex-start}
footer .fc svg{width:16px;height:16px;color:var(--accent);flex:none;margin-top:4px}
.legal{border-top:1px solid rgba(255,255,255,.09);padding:18px 0}
.legal .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.79rem;color:#717a86}
.legal a:hover{color:#fff}

/* 404 */
.err{min-height:70vh;display:flex;align-items:center;text-align:center}
.err .big{font-family:"Archivo";font-weight:900;font-size:clamp(5rem,18vw,11rem);color:var(--accent);line-height:1}

/* cookie */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;max-width:600px;margin:0 auto;z-index:90;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:0 16px 40px rgba(0,0,0,.2);
  padding:16px 18px;display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:.86rem}
.cookie p{margin:0;color:var(--body);flex:1;min-width:200px}
.cookie .ck-actions{display:flex;gap:10px;flex-wrap:wrap}
.cookie .btn{min-height:42px;white-space:nowrap;padding:0 22px}
.cookie .btn-light{border:1.5px solid var(--line)}

@keyframes up{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.rv{animation:up .6s both}

@media(max-width:980px){
  .menu{display:none}.burger{display:block}
  .svc-grid{grid-template-columns:1fr 1fr}
  .hero-bar .wrap{grid-template-columns:1fr;gap:12px}
  .hero-bar{position:static;background:var(--dark)}
  .atouts-grid,.real-grid,.avis-grid,.svc-detail,.chiffres,.about-grid{grid-template-columns:1fr}
  .zone .wrap,.devis .wrap,footer .cols{grid-template-columns:1fr;gap:40px}
  .frow{grid-template-columns:1fr}
  section{padding:72px 0}
  .hero{min-height:auto}
  .page-hero{padding:120px 0 44px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}.real img{transform:none}}