/* ══════════════════════════════════════
   NAVIGATION
══════════════════════════════════════ */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), border-color var(--transition-base), backdrop-filter var(--transition-base);
}

#main-nav.scrolled {
  background: rgba(14, 13, 9, 0.85);
  backdrop-filter: blur(28px) saturate(200%);
  -webkit-backdrop-filter: blur(28px) saturate(200%);
  border-bottom: 1px solid var(--border-glass);
}

.nav-inner {
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* ── Logo ── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo img {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 2px 8px rgba(201,166,107,0.3));
}

/* ── Nav links ── */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}

.nav-links a {
  position: relative;
  padding: var(--space-2) var(--space-3);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: var(--space-3);
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  border-radius: var(--radius-full);
  transition: width var(--transition-base) cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: calc(100% - var(--space-6));
}

/* ── Nav right (lang + CTA) ── */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* ── Language toggle ── */
.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  background: none;
  border: none;
  cursor: pointer;
}

.lang-btn.active {
  background: var(--accent-gold);
  color: #0E0D09;
}

.lang-btn:hover:not(.active) {
  color: var(--text-primary);
}

/* ── CTA button ── */
.nav-cta {
  padding: 9px 20px;
  font-size: 0.85rem;
}

/* ── Mobile hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile menu overlay ── */
#mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(14,13,9,0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: calc(var(--z-nav) - 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}

.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: color var(--transition-fast);
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
}

.mobile-nav-links a:hover { color: var(--accent-gold); }

.mobile-lang {
  display: flex;
  gap: var(--space-3);
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 480px) {
  .nav-logo img { height: 36px; }
}