/* ===== HEADER STICKY ===== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-header);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: background var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  border-bottom-color: var(--border);
  box-shadow: 0 1px 0 rgba(31, 53, 49, 0.04), 0 6px 18px -10px rgba(31, 53, 49, 0.18);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-h-mobile);
}
@media (min-width: 768px) {
  .header-inner { height: var(--header-h); }
}

/* ===== BRAND ===== */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
  min-width: 0;
}
.brand-mark {
  width: 38px;
  height: 38px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--bg));
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  padding: 7px;
}
.brand-mark svg { width: 100%; height: 100%; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1; min-width: 0; }
.brand-name {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.005em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}
.brand-name em { color: var(--accent); font-style: italic; }
.brand-tag {
  display: none;
  font-family: var(--ff-ui);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.66rem;
  color: var(--text-mute);
  margin-top: 4px;
  white-space: nowrap;
}
@media (min-width: 980px) { .brand-tag { display: block; } }

/* ===== NAV DESKTOP ===== */
.nav-desktop { display: none; }
@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
    gap: clamp(14px, 2vw, 30px);
    align-items: center;
  }
  .nav-desktop a {
    font-family: var(--ff-ui);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text);
    padding: 8px 4px;
    position: relative;
  }
  .nav-desktop a::after {
    content: "";
    position: absolute;
    left: 4px; right: 4px; bottom: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-fast);
  }
  .nav-desktop a:hover::after, .nav-desktop a.is-active::after { transform: scaleX(1); }
}

.header-cta { display: none; }
@media (min-width: 768px) {
  .header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--accent);
    color: #fff;
    border-radius: 999px;
    font-family: var(--ff-ui);
    font-weight: 600;
    font-size: 0.9rem;
    transition: background var(--t-fast), transform var(--t-fast);
  }
  .header-cta:hover { background: color-mix(in srgb, var(--accent) 80%, #000); color: #fff; transform: translateY(-1px); }
  .header-cta svg { width: 14px; height: 14px; }
}

/* ===== BURGER (PIEGE PROD #14 — position fixed top-right) ===== */
.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);
}
.burger span,
.burger span::before,
.burger span::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--t-med), opacity var(--t-fast), background var(--t-fast);
}
.burger span { position: relative; }
.burger span::before,
.burger span::after { content: ""; position: absolute; left: 0; }
.burger span::before { top: -8px; }
.burger span::after  { top:  8px; }
.burger.is-open span { background: transparent; }
.burger.is-open span::before { transform: translateY(8px) rotate(45deg); }
.burger.is-open span::after  { transform: translateY(-8px) rotate(-45deg); }

@media (min-width: 768px) { .burger { display: none; } }

/* ===== MENU MOBILE (enfant direct du body — pattern obligatoire) ===== */
.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 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--t-slow) cubic-bezier(.2,.7,.2,1),
              opacity var(--t-slow) ease,
              visibility 0s linear var(--t-slow);
}
.menu-mobile.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  transition: transform var(--t-slow) cubic-bezier(.2,.7,.2,1),
              opacity var(--t-slow) ease;
}
.menu-mobile a {
  font-family: var(--ff-display);
  font-size: 1.6rem;
  color: var(--text);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.menu-mobile a:last-of-type { border-bottom: 0; }
.menu-mobile .menu-cta {
  margin-top: 14px;
  padding: 16px 22px;
  border-radius: 999px;
  font-family: var(--ff-ui);
  font-size: 1rem;
  border-bottom: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
}
.menu-mobile a.menu-cta.btn-primary { background: var(--accent); color: #fff !important; }
.menu-mobile a.menu-cta.btn-wa { background: var(--wa-green); color: #fff !important; }
.menu-mobile-meta {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-family: var(--ff-ui);
  font-size: 0.9rem;
  color: var(--text-mute);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

@media (min-width: 768px) {
  .menu-mobile { display: none; }
}

/* ===== FOOTER ===== */
.site-footer {
  margin-top: 0;       /* PIEGE PROD #12 — pas de margin-top */
  background: var(--surface-dark);
  color: #E8F0EC;
  padding: clamp(40px, 6vw, 64px) 0 24px;
}
.site-footer h4 {
  font-family: var(--ff-display);
  color: #fff;
  font-size: 1rem;
  margin-bottom: 12px;
  font-weight: 600;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
}
.footer-brand { color: #fff; }
.footer-brand .brand-mark { background: rgba(255,255,255,0.08); color: var(--accent-on-dark); }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { color: rgba(232,240,236,0.72); margin-top: 14px; font-size: 0.95rem; max-width: 32ch; }
.footer-list { display: flex; flex-direction: column; gap: 10px; }
.footer-list a, .footer-list span {
  color: rgba(232,240,236,0.78);
  font-size: 0.95rem;
  font-family: var(--ff-ui);
}
.footer-list a:hover { color: var(--accent-on-dark); }
.footer-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: rgba(232,240,236,0.78);
}
.footer-row svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--accent-on-dark); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.8rem;
  color: rgba(232,240,236,0.55);
  font-family: var(--ff-ui);
}
.footer-bottom a { color: rgba(232,240,236,0.72); }
.footer-bottom a:hover { color: var(--accent-on-dark); }
@media (min-width: 640px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* ===== FAB MOBILE (bouton Appeler) ===== */
.fab-call {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: var(--z-fab);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 14px 30px -10px rgba(31, 53, 49, 0.42), 0 4px 12px rgba(31, 53, 49, 0.18);
  transition: transform var(--t-fast), background var(--t-fast);
  opacity: 0;
  transform: translateY(20px) scale(0.9);
  pointer-events: none;
}
.fab-call.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.fab-call svg { width: 22px; height: 22px; }
.fab-call:hover { background: color-mix(in srgb, var(--accent) 80%, #000); color: #fff; transform: translateY(-2px); }
@media (min-width: 768px) { .fab-call { display: none; } }