/* ── Styles partagés : nav ArtKeyz ── */

/* <picture> transparent pour le layout — indispensable avec le wrap WebP */
picture { display: contents; }

:root {
  --gold: #c9a96e;
  --white: #f5f0e8;
}

#nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 48px;
  background: #080808;
  border-bottom: 1px solid rgba(201,169,110,0.12);
  opacity: 0;
  transition: opacity 0.5s ease;
}
#nav.visible { opacity: 1; }

.nav-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
}
.nav-logo-img {
  height: 80px;
  width: auto;
}
.nav-logo-tagline {
  font-family: "corner-store-jf", cursive;
  font-size: 9px;
  color: rgba(255,255,255,0.75);
  margin-top: -12px;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 0 rgba(255,255,255,0.15), 0 -1px 0 rgba(0,0,0,0.4);
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.nav-links a {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  transition: color .3s;
}
.nav-links a:hover { color: var(--gold); }
.nav-links a.active {
  color: var(--gold);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}
.nav-icons { display: flex; gap: 20px; color: rgba(255,255,255,0.9); font-size: 18px; }

/* Hamburger button — hidden on desktop */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 201;
  flex-direction: column;
  gap: 5px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white, #f5f0e8);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile overlay */
.nav-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.3s;
}
.nav-mobile-overlay.active {
  display: block;
  opacity: 1;
}

@media (max-width: 768px) {
  #nav { padding: 12px 20px; }
  .nav-logo-img { height: 50px; }

  /* Layout mobile : burger gauche · logo centré · panier droite */
  .nav-hamburger { display: flex; order: 1; }
  .nav-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: auto;
  }
  .nav-icons { order: 3; }

  /* ─── Menu plein écran "cinématique" ───────────────────────────────── */
  .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    transform: none;
    width: 100vw;
    height: 100vh;
    background:
      radial-gradient(ellipse at 50% 45%, rgba(201,169,110,0.06) 0%, transparent 60%),
      linear-gradient(180deg, #0b0b0b 0%, #060606 100%);
    padding: 0 32px;
    align-items: center;
    justify-content: center;
    gap: 36px;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s;
  }

  #nav.mobile-open .nav-links {
    opacity: 1;
    visibility: visible;
  }

  .nav-links li {
    list-style: none;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  }
  #nav.mobile-open .nav-links li {
    opacity: 1;
    transform: translateY(0);
  }
  #nav.mobile-open .nav-links li:nth-child(1) { transition-delay: 0.25s; }
  #nav.mobile-open .nav-links li:nth-child(2) { transition-delay: 0.38s; }
  #nav.mobile-open .nav-links li:nth-child(3) { transition-delay: 0.51s; }
  #nav.mobile-open .nav-links li:nth-child(4) { transition-delay: 0.64s; }
  #nav.mobile-open .nav-links li:nth-child(5) { transition-delay: 0.77s; }

  .nav-links a {
    display: block;
    padding: 6px 16px;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 44px;
    font-weight: 400;
    letter-spacing: 0.18em;
    color: rgba(245,240,232,0.9);
    text-transform: uppercase;
    position: relative;
    transition: color 0.35s;
  }
  .nav-links a::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -4px;
    width: 0;
    height: 1px;
    background: var(--gold);
    transform: translateX(-50%);
    transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .nav-links a:hover,
  .nav-links a.active {
    color: var(--gold);
  }
  .nav-links a.active::after {
    width: 70%;
  }
  .nav-links a:hover::after {
    width: 50%;
  }

  /* Petit ornement doré au-dessus du premier item (fade-in avec le menu) */
  .nav-links::before {
    content: '';
    position: absolute;
    top: 22%;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
    opacity: 0;
    transition: opacity 0.6s ease 0.15s;
  }
  #nav.mobile-open .nav-links::before {
    opacity: 0.6;
  }

  /* Overlay retiré — le plein écran remplace */
  .nav-mobile-overlay {
    display: none !important;
  }

  /* Quand le menu est ouvert, on remet le burger en X doré centré en haut à droite */
  #nav.mobile-open .nav-hamburger {
    position: fixed;
    top: 22px;
    right: 20px;
    z-index: 210;
  }
  #nav.mobile-open .nav-hamburger span {
    background: var(--gold);
  }
}