.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--container-padding);
  z-index: var(--z-nav);
  opacity: 0.7;
  transition: opacity var(--transition-base);
  background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, transparent 100%);
}

.nav:hover {
  opacity: 1;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-img {
  height: 24px;
  width: auto;
}

.nav__links {
  display: flex;
  gap: var(--space-lg);
}

.nav__link {
  font-family: var(--font-heading);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-normal);
  text-transform: uppercase;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.nav__link:hover {
  opacity: 1;
}

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav__burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__burger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-mobile-menu);
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.nav-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.nav-overlay__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.nav-overlay__link {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.nav-overlay__link:hover {
  opacity: 1;
}

@media (max-width: 768px) {
  .nav__links  { display: none; }
  .nav__burger { display: flex; }
}