/* ============================================================
   CHAMPAGNE JEAN JOSSELIN
   nav.css — Navigation principale
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: box-shadow var(--transition);
  display: flex;
  align-items: center;
}

.nav.scrolled {
  box-shadow: 0 1px 0 rgba(155, 134, 52, 0.2);
}

.nav__inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

/* Items gauche */
.nav__left {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 48px);
}

/* Logo centre */
.nav__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-decoration: none;
  line-height: 1;
}

.nav__logo-img {
  height: 36px;
  width: auto;
}

.nav__logo-name {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--dark);
  text-transform: uppercase;
  white-space: nowrap;
}

.nav__logo-sub {
  font-family: var(--font-sans);
  font-size: 8px;
  font-weight: 400;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
}

/* Items droite */
.nav__right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(20px, 3vw, 48px);
}

.nav__tools {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: clamp(2px, 0.8vw, 10px);
}

/* Liens nav */
.nav__link {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dark);
  position: relative;
  white-space: nowrap;
  transition: color var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}

.nav__link:hover { color: var(--gold); }
.nav__link:hover::after { width: 100%; }
.nav__link.active { color: var(--gold); }
.nav__link.active::after { width: 100%; }
.nav__link--disabled {
  color: var(--grey);
  cursor: default;
}

.nav__link--disabled::after {
  display: none;
}

.nav__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: var(--gold);
  transition:
    color var(--transition),
    transform var(--transition);
}

.nav__social-link:hover {
  color: var(--dark);
  transform: translateY(-1px);
}

.nav__social-link svg {
  width: 30px;
  height: 30px;
  display: block;
}

/* Lien langue */
.nav__lang {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--grey);
  border: 1px solid var(--grey-light);
  padding: 5px 10px;
  transition: color var(--transition), border-color var(--transition);
}

.nav__lang:hover {
  color: var(--gold);
  border-color: var(--gold-border);
}

/* ── MOBILE : hamburger ── */
.nav__hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  width: 32px;
  height: 32px;
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--dark);
  transform-origin: center;
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

.nav__hamburger.is-active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav__hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.is-active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Menu mobile overlay */
.nav__mobile {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-12px);
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s ease;
}

.nav__mobile.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.nav__mobile-link {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--dark);
  opacity: 0;
  transform: translateY(12px);
  transition: color var(--transition), opacity 0.35s ease, transform 0.35s ease;
}

.nav__mobile.open .nav__mobile-link {
  opacity: 1;
  transform: translateY(0);
}

.nav__mobile.open .nav__mobile-link:nth-child(2) { transition-delay: 0.04s; }
.nav__mobile.open .nav__mobile-link:nth-child(3) { transition-delay: 0.08s; }
.nav__mobile.open .nav__mobile-link:nth-child(4) { transition-delay: 0.12s; }
.nav__mobile.open .nav__mobile-link:nth-child(5) { transition-delay: 0.16s; }
.nav__mobile.open .nav__mobile-link:nth-child(6) { transition-delay: 0.2s; }
.nav__mobile.open .nav__mobile-link:nth-child(7) { transition-delay: 0.24s; }

.nav__mobile-close {
  display: none;
}

.nav__mobile-link:hover { color: var(--gold); }
.nav__mobile-link--disabled {
  color: var(--grey);
  cursor: default;
}

/* ── Sélecteur de langue ── */
.lang-switcher {
  position: relative;
}

.lang-switcher__toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  padding: 4px 6px;
  border: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.lang-switcher__toggle:hover,
.lang-switcher__toggle[aria-expanded="true"] {
  border-color: rgba(155, 134, 52, 0.4);
}

.lang-switcher__flag {
  font-size: 14px;
  line-height: 1;
}

.lang-switcher__code {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dark);
}

.lang-switcher__toggle:hover .lang-switcher__code,
.lang-switcher__toggle[aria-expanded="true"] .lang-switcher__code {
  color: var(--gold);
}

.lang-switcher__arrow {
  font-size: 8px;
  color: var(--grey);
  transition: transform 0.2s ease;
}

.lang-switcher__toggle[aria-expanded="true"] .lang-switcher__arrow {
  transform: rotate(180deg);
}

.lang-switcher__dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #fff;
  border: 1px solid rgba(155, 134, 52, 0.25);
  min-width: 56px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 100;
}

.lang-switcher__dropdown.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.lang-switcher__option {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 12px;
  transition: background var(--transition);
}

.lang-switcher__option:hover {
  background: rgba(155, 134, 52, 0.06);
}

.lang-switcher__option .lang-switcher__code {
  color: var(--dark);
}

.lang-switcher__option.is-active .lang-switcher__code {
  color: var(--gold);
}

.lang-switcher__option.is-active {
  pointer-events: none;
}

/* Mobile — dans l'overlay */
.lang-switcher--mobile {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 18px;
  margin-top: 8px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.35s ease 0.28s, transform 0.35s ease 0.28s;
}

.nav__mobile.open .lang-switcher--mobile {
  opacity: 1;
  transform: translateY(0);
}

.lang-switcher--mobile .lang-switcher__option {
  padding: 0;
  gap: 5px;
  background: transparent;
}

.lang-switcher--mobile .lang-switcher__flag {
  font-size: 20px;
}

.lang-switcher--mobile .lang-switcher__code {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--dark);
}

.lang-switcher--mobile .lang-switcher__option.is-active .lang-switcher__code {
  color: var(--gold);
}

.nav__social-link--mobile {
  width: 46px;
  height: 46px;
}

.nav__social-link--mobile svg {
  width: 34px;
  height: 34px;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .nav__left .nav__link:nth-child(n+3),
  .nav__right .nav__link:not(:last-child) {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav__left,
  .nav__right { display: none; }

  .nav__inner {
    grid-template-columns: 1fr;
    position: relative;
    justify-items: center;
  }

  .nav__logo {
    justify-self: center;
  }

  .nav__logo-img {
    height: 38px;
  }

  .nav__logo-name {
    font-size: 16px;
  }

  .nav__hamburger {
    display: flex;
    position: absolute;
    right: var(--gutter);
    top: 50%;
    transform: translateY(-50%);
    justify-self: auto;
  }

  .nav__inner .nav__hamburger:first-child {
    justify-self: auto;
  }
}