/* ============================================================
   MAISON LE DRÉAN — Navbar
   css/navbar.css
   ============================================================ */

/* ---- Barre de navigation --------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(14, 6, 3, 0.92);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background var(--transition-base),
              border-color var(--transition-base);
}

/* Scrollée : fond encore plus opaque */
.nav.is-scrolled {
  background: rgba(14, 6, 3, 0.98);
  border-bottom-color: rgba(180, 140, 60, 0.28);
}

.nav__inner {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* ---- Logo ------------------------------------------------ */
.nav__logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
  flex-shrink: 0;
}
.nav__logo-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--gold-main);
  letter-spacing: 0.06em;
  transition: color var(--transition-fast);
}
.nav__logo-tagline {
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-dim);
  margin-top: 3px;
  transition: color var(--transition-fast);
}
.nav__logo:hover .nav__logo-name { color: var(--gold-bright); }
.nav__logo:hover .nav__logo-tagline { color: var(--gold-muted); }

/* ---- Liens desktop --------------------------------------- */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream-muted);
  text-decoration: none;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition-fast);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold-main);
  transition: width var(--transition-base);
}
.nav__link:hover { color: var(--cream-bright); }
.nav__link:hover::after { width: 100%; }
.nav__link.is-active {
  color: var(--gold-main);
}
.nav__link.is-active::after { width: 100%; }

/* ---- CTA boutique (desktop) ------------------------------ */
.nav__cta {
  font-size: 0.62rem;
  padding: 0.6rem 1.4rem;
  flex-shrink: 0;
}

/* ---- Burger (mobile) ------------------------------------- */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast);
  flex-shrink: 0;
}
.nav__burger:hover { border-color: var(--gold-main); }
.nav__burger-bar {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--cream-muted);
  transition: transform var(--transition-base),
              opacity var(--transition-base),
              background var(--transition-fast);
  transform-origin: center;
}
/* Burger ouvert → croix */
.nav__burger.is-open .nav__burger-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
  background: var(--gold-main);
}
.nav__burger.is-open .nav__burger-bar:nth-child(2) {
  opacity: 0;
}
.nav__burger.is-open .nav__burger-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
  background: var(--gold-main);
}

/* ---- Menu mobile (drawer) -------------------------------- */
.nav__mobile {
  display: none; /* activé par JS via .is-open sur le nav */
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(14, 6, 3, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: calc(var(--z-nav) - 1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: var(--space-12);
  border-top: 1px solid var(--color-border);
}
.nav__mobile.is-open {
  display: flex;
}
.nav__mobile-link {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 6vw, 2.5rem);
  font-weight: 400;
  color: var(--cream-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color var(--transition-fast);
  text-align: center;
}
.nav__mobile-link:hover,
.nav__mobile-link.is-active {
  color: var(--gold-main);
}
.nav__mobile-divider {
  width: 40px;
  height: 1px;
  background: var(--color-border);
  margin-block: var(--space-2);
}
.nav__mobile-cta {
  margin-top: var(--space-6);
  font-size: 0.7rem;
  padding: 0.85rem 2.5rem;
}

/* ---- Responsive ----------------------------------------- */
@media (max-width: 1023px) {
  .nav__links,
  .nav__cta {
    display: none;
  }
  .nav__burger {
    display: flex;
  }
}