/* Barre de navigation partagée — partials/site-nav.html */
:root {
  --nav-olive: #4a3d24;
  --nav-olive-deep: #2e2410;
  --nav-cream: #f2ebe4;
  --nav-gold: #c4a97e;
  --site-nav-h: 88px;
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  overflow: visible;
}

.site-nav__bar {
  display: flex;
  flex-direction: column;
  max-width: 100%;
  overflow: visible;
}

.site-nav__skin {
  background: linear-gradient(180deg, #4f4229 0%, #382d17 55%, #2e2410 100%);
  color: var(--nav-cream);
  position: relative;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.28);
}

.site-nav__skin::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.04;
  mix-blend-mode: overlay;
}

.site-nav__skin::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(196, 169, 126, 0.55) 30%,
    rgba(196, 169, 126, 0.8) 50%,
    rgba(196, 169, 126, 0.55) 70%,
    transparent
  );
}

.site-nav__links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  padding: 16px 32px 12px;
  position: relative;
  z-index: 1;
}

.site-nav__foot {
  position: relative;
  flex-shrink: 0;
  width: 100%;
  min-height: 18px;
  height: 18px;
  background: transparent;
  overflow: visible;
}

/* Ligne crème pleine largeur sous la barre */
.site-nav__foot::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 1px;
  z-index: 1;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(196, 169, 126, 0.5) 20%,
    rgba(242, 235, 228, 0.95) 50%,
    rgba(196, 169, 126, 0.5) 80%,
    transparent
  );
}

/* Ornement central (logo) — chevauche la ligne */
.site-nav__foot-mark {
  position: absolute;
  left: 50%;
  right: auto;
  top: 0;
  bottom: auto;
  transform: translate(-50%, -50%);
  width: 32px;
  height: 32px;
  z-index: 3;
  pointer-events: none;
  filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.4));
}

.site-nav__ornament {
  display: block;
  width: 100%;
  height: 100%;
}

a.site-nav__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: rgba(242, 235, 228, 0.92);
}

.site-nav__btn {
  flex: 0 0 auto;
  background: none;
  border: none;
  cursor: pointer;
  font-family: "Cinzel", serif;
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: rgba(242, 235, 228, 0.92);
  padding: 8px 6px 11px;
  position: relative;
  transition: color 0.35s;
  white-space: nowrap;
  text-align: center;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.site-nav__btn::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 5px;
  transform: translateX(-50%) scaleX(0);
  width: calc(100% - 22px);
  height: 0.5px;
  background: var(--nav-gold);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  transform-origin: center;
}

.site-nav__btn:hover {
  color: #fff;
}

.site-nav__btn:hover::before {
  transform: translateX(-50%) scaleX(0.6);
}

.site-nav__btn:focus-visible {
  outline: 1px solid var(--nav-gold);
  outline-offset: 3px;
}

.site-nav__btn.active {
  color: #fff;
}

.site-nav__btn.active::before {
  transform: translateX(-50%) scaleX(1) !important;
  opacity: 0.9;
}

.site-nav__btn.active::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%) rotate(45deg);
  width: 4px;
  height: 4px;
  background: var(--nav-gold);
  opacity: 0.8;
}

@media (max-width: 640px) {
  .site-nav__btn {
    font-size: 0.46rem;
    letter-spacing: 0.2em;
    padding: 8px 9px 11px;
  }

  :root {
    --site-nav-h: 84px;
  }
}