/* ============================================================
   NAVIGATION — Barre principale + menu mobile
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(20px, env(safe-area-inset-top)) 60px 20px;
  background: rgba(250, 247, 242, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--rule);
  transition: padding 0.3s, box-shadow 0.3s;
}

/* Logo */
.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--ink);
  line-height: 1.15;
  text-decoration: none;
}

.nav-logo span {
  color: var(--gold-text);
}

.nav-logo-sub {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--muted);
  font-family: 'Jost', sans-serif;
  font-weight: 300;
  text-transform: uppercase;
}

/* Liens desktop */
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 13px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--gold-text);
}

/* Boutons droite */
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-btn {
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--muted);
  font-family: 'Jost', 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', sans-serif;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 9px 14px;
  cursor: pointer;
  transition: all 0.2s;
  line-height: 1;
}

.lang-btn.active,
.lang-btn:hover,
.lang-btn:focus-visible {
  border-color: var(--gold-text);
  color: var(--gold-text);
  background: transparent;
}

/* Hamburger */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--rule);
  padding: 8px 10px;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
  -webkit-tap-highlight-color: transparent;
}

.mobile-menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: all 0.3s;
}

/* Menu mobile déroulant */
.mobile-nav {
  display: none;
  position: fixed;
  top: 53px;
  left: 0;
  right: 0;
  background: rgba(250, 247, 242, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--rule);
  z-index: 199;
  padding: 0;
  flex-direction: column;
  gap: 0;
}

.mobile-nav a {
  display: block;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding: 14px 20px;
  border-bottom: 1px solid var(--rule);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav.open {
  display: flex;
}

/* Overlay derrière le menu mobile */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(28, 24, 18, 0.5);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 198;
  cursor: pointer;
}

.mobile-nav-overlay.open {
  display: block;
}

/* Onglets de navigation appartements */
.apts-nav-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--rule);
  margin-bottom: 40px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.apts-nav-tabs::-webkit-scrollbar {
  display: none;
}

.apt-nav-tab {
  font-family: 'Jost', sans-serif;
  font-size: 11px;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--muted);
  padding: 14px 22px;
  cursor: pointer;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
  background: transparent;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.apt-nav-tab:hover,
.apt-nav-tab.active,
.apt-nav-tab:focus-visible {
  color: var(--gold-text);
  border-bottom-color: var(--gold-text);
}

/* ── Responsive nav ── */
@media (max-width: 960px) {
  .nav {
    padding: 12px 16px;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .apts-nav-tabs {
    margin-bottom: 28px;
  }

  .apt-nav-tab {
    padding: 12px 14px;
    font-size: 11px;
  }
}

@media (max-width: 600px) {
  .nav {
    padding: 10px 14px;
    flex-wrap: nowrap;
    align-items: center;
  }

  .nav-logo {
    font-size: 13px;
    letter-spacing: 2px;
    flex-shrink: 1;
    min-width: 0;
  }

  .nav-logo-sub {
    display: none;
  }

  .nav-right {
    gap: 6px;
    flex-shrink: 0;
  }

  .lang-btn {
    font-size: 9px;
    padding: 5px 7px;
    letter-spacing: 1px;
  }
}