/* ── Navbar ───────────────────────────────────────────────────── */
#mainNav {
  background: transparent;
  transition: background 0.5s var(--ease), backdrop-filter 0.5s, padding 0.4s var(--ease);
  padding: 1.5rem 0;
  z-index: 1050;
}
#mainNav.scrolled {
  background: rgba(10, 10, 10, 0.93);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 var(--card-border);
  padding: 0.75rem 0;
}

.navbar-brand img {
  height: 80px;
  transition: height 0.4s var(--ease);
}
#mainNav.scrolled .navbar-brand img { height: 60px; }

.nav-link {
  color: var(--muted) !important;
  font-family: 'Montserrat', sans-serif;
  font-weight: 400;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 1rem !important;
  transition: color 0.3s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 1rem; right: 1rem;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.35s var(--ease);
  transform-origin: left;
}
.nav-link:hover, .nav-link.active { color: var(--white) !important; }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.navbar-toggler {
  border: 1px solid var(--gold);
  padding: 0.4rem 0.65rem;
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23C9A84C' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Menu mobile : panneau slide-down épuré */
@media (max-width: 991px) {
  #navMenu,
  #navMenu.collapsing {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    height: auto !important;
    max-height: 100vh;
    background: #0a0a0a;
    border-bottom: 1px solid var(--card-border);
    z-index: 1029;
    display: flex !important;
    flex-direction: column;
    align-items: center;
    padding: 108px 2rem 2.5rem;
    overflow: hidden !important;
  }

  #navMenu:not(.show):not(.collapsing) {
    display: none !important;
  }

  .navbar-nav {
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 320px;
    text-align: center;
    gap: 0;
  }

  .nav-item {
    width: 100%;
    border-bottom: 1px solid rgba(201,168,76,0.08);
  }
  .nav-item:last-child { border-bottom: none; }

  .nav-link {
    font-size: 0.82rem !important;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500 !important;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted) !important;
    padding: 0.9rem 0 !important;
    width: 100%;
    display: block !important;
  }

  .nav-link:hover,
  .nav-link.active { color: var(--gold) !important; }
  .nav-link::after { display: none; }
  .navbar-nav .btn-gold { margin-top: 1.5rem; width: 100%; text-align: center; justify-content: center; }

  .hero-eyebrow { display: none !important; }

  /* Padding hero pour dégager le logo */
  .hero-section {
    align-items: flex-start;
    padding-top: 130px;
  }
}