/* Header sticky */
.site-header{
  position:sticky;top:0;left:0;right:0;
  height:var(--header-h-mobile);
  background:color-mix(in srgb,var(--bg) 92%,transparent);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  z-index:var(--z-header);
  transition:border-color var(--t-fast),background var(--t-fast);
}
.site-header.is-scrolled{
  border-bottom-color:var(--border);
  background:color-mix(in srgb,var(--bg) 96%,transparent);
}
.header-inner{
  height:100%;
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--container);margin:0 auto;
  padding:0 20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);}
.brand-mark{width:36px;height:36px;color:var(--accent);flex-shrink:0;display:grid;place-items:center;}
.brand-mark svg{width:100%;height:100%;display:block;}
.brand-mark--pill{background:color-mix(in srgb,var(--accent) 14%,var(--bg));border-radius:50%;padding:6px;}
.brand-name{font-family:var(--ff-display);font-weight:600;font-size:1.05rem;line-height:1;letter-spacing:-.01em;}
.brand-name em{font-style:normal;color:var(--accent);}

.nav-desktop{display:none;}
.header-cta{display:none;}

@media(min-width:920px){
  .site-header{height:var(--header-h);}
  .nav-desktop{display:flex;align-items:center;gap:28px;}
  .nav-desktop a{
    font-family:var(--ff-ui);font-size:.9rem;font-weight:500;
    color:var(--text);position:relative;padding:6px 2px;
    transition:color var(--t-fast);
  }
  .nav-desktop a:hover,.nav-desktop a[aria-current="page"]{color:var(--accent);}
  .nav-desktop a::after{
    content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;
    background:var(--accent);transition:right var(--t-fast);
  }
  .nav-desktop a:hover::after{right:0;}
  .header-cta{display:inline-flex;}
}

/* Burger : enfant direct du body, fixed top-right (PIEGE PROD #8) */
.burger{
  position:fixed;
  top:calc((var(--header-h-mobile) - 44px) / 2);
  right:14px;
  width:44px;height:44px;
  display:grid;place-items:center;
  background:transparent;border:0;cursor:pointer;
  z-index:var(--z-burger);
  border-radius:8px;
}
.burger span,.burger::before,.burger::after{
  content:"";display:block;width:22px;height:2px;background:var(--text);border-radius:2px;
  transition:transform var(--t-fast),opacity var(--t-fast);
}
.burger::before{margin-bottom:5px;}
.burger::after{margin-top:5px;}
.burger.is-open::before{transform:translateY(7px) rotate(45deg);}
.burger.is-open span{opacity:0;}
.burger.is-open::after{transform:translateY(-7px) rotate(-45deg);}

@media(min-width:920px){
  .burger{display:none;}
}

/* Menu mobile : enfant direct du body */
.menu-mobile{
  position:fixed;top:0;left:0;
  width:100%;height:100dvh;
  background:var(--bg);
  z-index:var(--z-menu);
  padding:calc(var(--header-h-mobile) + 28px) 24px 40px;
  display:flex;flex-direction:column;gap:.4rem;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  overscroll-behavior:contain;
  transform:translateY(-100%);
  opacity:0;
  visibility:hidden;
  transition:transform .35s ease,opacity .35s ease,visibility 0s linear .35s;
}
.menu-mobile.is-open{
  transform:translateY(0);opacity:1;visibility:visible;
  transition:transform .35s ease,opacity .35s ease;
}
.menu-mobile a{
  font-family:var(--ff-display);
  font-size:1.7rem;
  font-weight:600;
  color:var(--text);
  padding:14px 0;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
}
.menu-mobile a:last-of-type{border-bottom:0;}
.menu-mobile a::after{
  content:"\2192";font-family:var(--ff-ui);font-weight:400;color:var(--accent);opacity:.6;font-size:1.1rem;
}
.menu-mobile .btn{
  margin-top:18px;justify-content:center;
  font-family:var(--ff-ui);font-size:1rem;font-weight:600;
  padding:16px 22px;border-bottom:0;
}
.menu-mobile .btn::after{display:none;}
.menu-mobile .menu-meta{
  margin-top:24px;padding-top:18px;border-top:1px solid var(--border);
  font-family:var(--ff-ui);font-size:.85rem;color:var(--text-mute);line-height:1.7;
}
.menu-mobile .menu-meta a{
  font-family:var(--ff-ui);font-size:.85rem;border-bottom:0;padding:2px 0;color:var(--accent);justify-content:flex-start;
}
.menu-mobile .menu-meta a::after{display:none;}

@media(min-width:920px){
  .menu-mobile{display:none;}
}

/* Footer */
.site-footer{
  background:#15231F;
  color:#D7E0DC;
  padding:60px 0 28px;
  margin-top:0;
}
.site-footer .container{max-width:var(--container);}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:36px;
  margin-bottom:40px;
}
@media(min-width:768px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;}
}
.footer-brand .brand-name{color:#fff;font-size:1.3rem;}
.footer-brand .brand-mark{color:var(--accent-2);}
.footer-brand p{color:#A8B5B0;margin-top:14px;max-width:34ch;line-height:1.6;font-size:.92rem;}
.footer-col h4{
  color:#fff;font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;
  margin-bottom:16px;font-family:var(--ff-ui);font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col a, .footer-col p, .footer-col li{color:#A8B5B0;font-size:.92rem;line-height:1.55;}
.footer-col a{transition:color var(--t-fast);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:22px;
  display:flex;flex-direction:column;gap:10px;
  font-size:.82rem;color:#8E9994;
}
@media(min-width:640px){
  .footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;}
}
.footer-bottom a{color:#A8B5B0;}
.footer-bottom a:hover{color:#fff;}

/* FAB mobile (Appeler) */
.fab-call{
  position:fixed;
  left:16px;right:16px;bottom:16px;
  display:flex;gap:10px;
  z-index:var(--z-fab);
}
.fab-call .btn{flex:1;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.15);}
@media(min-width:920px){.fab-call{display:none;}}