/* Les Immeubles Quatuor — en-tête, pied de page et réseaux sociaux
   Chargé après le <style> de chaque page : ces règles ont préséance.
   Vert de marque : #1F6F6B — teinte claire : #EEF6F4 — foncé : #17544F */

/* ---------- Bandeau de contact, au-dessus du logo ---------- */
.topbar{background:#1F6F6B;color:#fff}
.topbar-in{max-width:1120px;margin:0 auto;padding:9px 24px;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:8px 24px;
  font-size:12px;letter-spacing:.06em}
.topbar a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35);
  padding-bottom:1px;transition:border-color .15s}
.topbar a:hover{color:#fff;border-bottom-color:#fff}
.topbar-liens{display:flex;flex-wrap:wrap;gap:8px 22px}

/* ---------- En-tête ---------- */
header{border-top:none;border-bottom:1px solid #e4e4e4}
.nav{gap:0}
.nav a{position:relative;padding:10px 14px;color:#111;border-bottom:2px solid transparent;
  transition:color .15s,background .15s,border-color .15s}
.nav a:hover{color:#17544F;background:#EEF6F4;border-bottom-color:#1F6F6B}
.nav a[aria-current="page"]{color:#17544F;border-bottom-color:#1F6F6B}
.nav a:focus-visible{outline:2px solid #1F6F6B;outline-offset:-2px}

/* ---------- Piliers de la page d'accueil ---------- */
.pilier svg{width:26px;height:26px;color:#1F6F6B;margin:0 0 14px;display:block}

/* ---------- Ruban « suivez-nous », à gauche ---------- */
.social{position:fixed;left:0;top:50%;transform:translateY(-50%);z-index:9;
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:20px 12px;background:#fff;border:1px solid #e4e4e4;border-left:none}
.social span{writing-mode:vertical-rl;transform:rotate(180deg);
  font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:#8a8a8a;
  border-bottom:1px solid #e4e4e4;padding:0 0 14px}
.social a{display:flex;color:#1F6F6B;transition:color .15s,transform .15s}
.social a:hover{color:#17544F;transform:scale(1.12)}
.social svg{width:22px;height:22px}
@media(max-width:1240px){.social{display:none}}

/* ---------- Pied de page ---------- */
footer{border-top:3px solid #1F6F6B;background:#EEF6F4;margin-top:76px}
.fbar{max-width:1120px;margin:0 auto;padding:44px 24px 34px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:34px 40px;font-size:14px;color:#4a4a4a}
.fcol{display:flex;flex-direction:column;gap:9px;align-items:flex-start}
.ftitre{font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:#17544F;margin:0 0 4px}
.fcol a{color:#4a4a4a;text-decoration:none;transition:color .15s}
.fcol a:hover{color:#17544F}
.fcol .gros{font-size:19px;font-weight:600;color:#111}
.fcol .gros:hover{color:#17544F}
.fb{display:flex;align-items:center;gap:9px}
.fb svg{width:19px;height:19px;color:#1F6F6B;flex:none}
.fbas{border-top:1px solid #D3E2DC}
.fbas-in{max-width:1120px;margin:0 auto;padding:18px 24px;display:flex;flex-wrap:wrap;
  gap:8px 24px;justify-content:space-between;font-size:13px;color:#6c7d78}
.fbas-in a{color:#6c7d78;text-decoration:none}
.fbas-in a:hover{color:#17544F}

/* ---------- Telephones et petites tablettes ---------- */
@media(max-width:760px){
  .fbar{padding:34px 20px 26px;gap:28px}
  .fbas-in{padding:16px 20px}
  /* Bandeau vert : une seule ligne, telephone et courriel */
  .topbar-in{padding:9px 20px;gap:18px;justify-content:center;font-size:12px}
  .topbar-in > span:first-child{display:none}
  .topbar-liens{gap:18px;justify-content:center}
  /* Menu : quatre cases de largeur egale */
  .nav{display:grid;grid-template-columns:1fr 1fr;grid-auto-rows:1fr;gap:0;width:100%;
    border-top:1px solid #e4e4e4;padding:0;font-size:11px;letter-spacing:.08em;text-align:center}
  .nav a{padding:15px 8px;border-bottom:1px solid #f0f0f0;border-right:1px solid #f0f0f0;
    display:flex;align-items:center;justify-content:center}
  .nav a:nth-child(2n){border-right:none}
  .nav a:nth-child(n+3){border-bottom:none}
  .nav a:hover,.nav a[aria-current="page"]{background:#EEF6F4;border-bottom-color:#1F6F6B}
  .pilier svg{width:24px;margin-bottom:12px}
}