nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 60px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  --nav-text: var(--text-dark);
  --nav-bg:   rgba(245, 238, 228, 0.96);
  background: transparent;
  transition: transform 0.45s cubic-bezier(0.16,1,0.3,1),
              background 0.4s ease,
              opacity 0.4s ease;
}
nav.nav-visible {
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  transform: translateY(0);
  opacity: 1;
}
nav.nav-hidden {
  transform: translateY(-100%);
  opacity: 0;
}

/* Always-dark variant used on products + contact pages */
nav.nav-dark {
  background: rgba(18, 13, 7, 0.94);
  backdrop-filter: blur(12px);
}

.nav-logo img {
  height: 32px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}
.nav-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nav-text);
  text-decoration: none;
  opacity: 0.65;
  transition: opacity 0.2s, color 0.3s;
}
.nav-links a:hover  { opacity: 1; }
.nav-links a.active { opacity: 1; }

nav.nav-dark .nav-links a         { color: var(--cream); opacity: 0.6; }
nav.nav-dark .nav-links a:hover   { opacity: 1; }
nav.nav-dark .nav-links a.active  { opacity: 1; color: var(--gold-light); }

.nav-contact-btn {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid currentColor;
  padding: 9px 22px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  opacity: 1;
}
.nav-contact-btn:hover              { background: var(--gold); color: var(--brown-dark); }
nav.nav-dark .nav-contact-btn       { color: var(--gold-light); border-color: var(--gold); }
nav.nav-dark .nav-contact-btn:hover { background: var(--gold); color: var(--brown-dark); }