/* HEADER + NAV + MENU MOBILE + FOOTER */

.site-header{
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-header);   /* > menu */
  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;
  transition: border-color var(--tr-med), background var(--tr-med);
}
.site-header.is-scrolled{
  border-bottom-color: var(--border);
  background: color-mix(in srgb, var(--bg) 98%, transparent);
}
@media (min-width: 768px){
  .site-header{ height: var(--header-h); }
}
.header-inner{
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  min-width: 0;
}
.brand-mark{
  width: 38px;
  height: 38px;
  color: var(--accent);
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 14%, var(--bg));
  padding: 7px;
}
.brand-mark svg{
  width: 100%;
  height: 100%;
  display: block;
}
.brand-name{
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 1.2rem;
  line-height: 1;
  letter-spacing: -0.005em;
  white-space: nowrap;
}
.brand-name em{
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
}
.brand-tag{
  display: block;
  font-family: var(--ff-body);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-top: 2px;
}
@media (max-width: 599px){
  .brand-tag{ display: none; }
  .brand-name{ font-size: 1.05rem; }
  .brand-mark{ width: 32px; height: 32px; padding: 6px; }
}
/* Nav desktop */
.nav-desktop{
  display: none;
  align-items: center;
  gap: 28px;
}
.nav-desktop a{
  font-family: var(--ff-ui);
  font-size: .92rem;
  color: var(--text);
  font-weight: 500;
  text-decoration: none;
  position: relative;
}
.nav-desktop a::after{
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -6px;
  height: 1.5px;
  background: var(--accent);
  transition: right var(--tr-med);
}
.nav-desktop a:hover::after,
.nav-desktop a[aria-current="true"]::after{ right: 0; }
@media (min-width: 1024px){
  .nav-desktop{ display: flex; }
}
/* Burger */
.burger{
  position: fixed;        /* PIEGE PROD #8 obligatoire */
  top: calc((var(--header-h-mobile) - 44px) / 2);
  right: 16px;
  width: 44px; height: 44px;
  background: transparent;
  border: 0;
  cursor: pointer;
  z-index: 1101;          /* > menu-mobile (1000) et > header (1100) */
  display: grid;
  place-items: center;
  border-radius: 50%;
  transition: background var(--tr-fast);
}
.burger:hover{ background: var(--accent-soft); }
.burger span,
.burger span::before,
.burger span::after{
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--tr-med), opacity var(--tr-fast), background var(--tr-fast);
}
.burger span{ position: relative; }
.burger span::before{ position: absolute; left: 0; top: -7px; }
.burger span::after{ position: absolute; left: 0; top: 7px; }
.burger.is-open span{ background: transparent; }
.burger.is-open span::before{ transform: translateY(7px) rotate(45deg); }
.burger.is-open span::after{ transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 1024px){
  .burger{ display: none; }
}

/* MENU MOBILE - enfant direct du body (regle 1) */
.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) + 24px) 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  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{
  font-family: var(--ff-display);
  font-size: 1.45rem;
  color: var(--text);
  text-decoration: none;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--tr-fast);
}
.menu-mobile a:hover{ color: var(--accent); }
.menu-mobile a.btn{ border: 0; padding: 14px 18px; font-size: 1rem; font-family: var(--ff-ui); margin-top: 8px; }
.menu-mobile a.btn-primary{ color: #fff; }
.menu-mobile a.btn-wa{ color: #fff; }
.menu-mobile-cta{ display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
@media (min-width: 1024px){
  .menu-mobile{ display: none; }
}

/* FAB Appel mobile */
.fab-call{
  position: fixed;
  bottom: 18px;
  right: 18px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  z-index: var(--z-fab);
  box-shadow: 0 8px 22px rgba(49,42,32,0.22), 0 0 0 6px color-mix(in srgb, var(--accent) 12%, transparent);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity .35s ease, transform .35s ease, background var(--tr-fast);
}
.fab-call.is-visible{
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.fab-call:hover{ background: var(--accent-2); color: #fff; }
.fab-call svg{ width: 26px; height: 26px; }
@media (min-width: 1024px){
  .fab-call{ display: none; }
}

/* FOOTER */
.site-footer{
  background: var(--surface-deep);
  color: var(--text-on-dark);
  padding: 48px 0 24px;
  margin-top: 0;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 768px){
  .footer-grid{ grid-template-columns: 1.2fr 1fr 1fr; gap: 48px; }
  .site-footer{ padding: 64px 0 28px; }
}
.footer-col h4{
  font-family: var(--ff-display);
  font-size: 1.05rem;
  color: var(--text-on-dark);
  margin-bottom: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.footer-col p, .footer-col li, .footer-col a{
  color: var(--text-on-dark-2);
  font-size: .92rem;
  line-height: 1.7;
}
.footer-col a:hover{ color: var(--accent-on-dark); }
.footer-col ul{ list-style: none; padding: 0; margin: 0; }
.footer-col li{ padding: 4px 0; }

.footer-brand .brand-mark{
  background: color-mix(in srgb, var(--accent-on-dark) 22%, transparent);
  color: var(--accent-on-dark);
}
.footer-brand .brand-name{ color: var(--text-on-dark); }
.footer-brand .brand-name em{ color: var(--accent-on-dark); }
.footer-brand .brand-tag{ color: var(--text-on-dark-2); }
.footer-tagline{
  margin-top: 14px;
  color: var(--text-on-dark-2);
  max-width: 38ch;
}
.footer-bottom{
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid rgba(240, 234, 214, 0.14);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  align-items: center;
  font-size: .82rem;
  color: var(--text-on-dark-2);
}
.footer-bottom button{
  background: transparent;
  border: 0;
  color: var(--text-on-dark-2);
  font-size: .82rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 0;
  cursor: pointer;
}
.footer-bottom button:hover{ color: var(--accent-on-dark); }