/* Header sticky */
.site-header{
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(246, 240, 226, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s;
}
.site-header.is-scrolled{
  border-bottom-color: var(--border);
  background: rgba(246, 240, 226, 0.98);
}
.header-inner{
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
@media (max-width: 768px){
  .header-inner{ height: var(--header-h-mobile); }
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}
.brand svg{ flex-shrink: 0; }
.brand__name{
  font-family: var(--ff-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
}
.brand__sub{
  display: block;
  font-family: var(--ff-ui);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 4px;
}
@media (max-width: 480px){
  .brand__sub{ display: none; }
  .brand__name{ font-size: 1.2rem; }
}

.nav-desktop{
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-desktop a{
  color: var(--text);
  font-family: var(--ff-ui);
  font-size: 0.92rem;
  font-weight: 500;
}
.nav-desktop a:hover{ color: var(--accent); opacity: 1; }
.nav-desktop .btn{ margin-left: 8px; }

@media (max-width: 980px){
  .nav-desktop{ display: none; }
}

.burger{
  display: none;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  position: relative;
}
.burger span,
.burger::before,
.burger::after{
  content: "";
  position: absolute;
  left: 12px;
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s, opacity .2s, top .3s;
}
.burger::before{ top: 16px; }
.burger span{ top: 21px; }
.burger::after{ top: 26px; }
.burger.is-open::before{ top: 21px; transform: rotate(45deg); }
.burger.is-open span{ opacity: 0; }
.burger.is-open::after{ top: 21px; transform: rotate(-45deg); }

@media (max-width: 980px){
  .burger{ display: inline-flex; }
}

/* Menu mobile — pattern obligatoire, 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) + 32px) 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  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{
  padding: 16px 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.menu-mobile a:last-of-type{ border-bottom: none; }
.menu-mobile .btn{
  font-family: var(--ff-ui);
  font-size: 1rem;
  margin-top: 14px;
  text-align: center;
  border-bottom: none;
  letter-spacing: 0;
}

@media (min-width: 981px){
  .burger{ display: none !important; }
  .menu-mobile{ display: none !important; }
}

/* Footer */
.site-footer{
  background: #1c1812;
  color: #d9d1bd;
  padding: 64px 0 24px;
  margin-top: 80px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
}
.footer-brand{
  font-family: var(--ff-display);
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 12px;
}
.footer-tag{
  color: #b5ad99;
  font-size: 0.95rem;
  line-height: 1.6;
}
.footer-col h4{
  font-family: var(--ff-ui);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-2);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer-col ul{
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.95rem;
}
.footer-col a{ color: #d9d1bd; }
.footer-col a:hover{ color: #fff; opacity: 1; }
.footer-bottom{
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: #8a8071;
}
.footer-bottom a{ color: #8a8071; }
.footer-bottom a:hover{ color: #d9d1bd; opacity: 1; }
@media (max-width: 768px){
  .footer-grid{ grid-template-columns: 1fr; gap: 32px; }
  .site-footer{ padding: 48px 0 24px; margin-top: 48px; }
}

/* FAB mobile appeler */
.fab-call{
  display: none;
  position: fixed;
  bottom: 18px; right: 18px;
  z-index: 90;
  background: var(--accent);
  color: #fff;
  width: 56px; height: 56px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 28px rgba(34, 94, 99, 0.4);
}
.fab-call svg{ width: 26px; height: 26px; }
@media (max-width: 768px){
  .fab-call{ display: inline-flex; }
}