.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.nav.scrolled {
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Logo */
.nav__logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav__logo-name {
  font-family: var(--font-display);
  font-size: var(--size-xl);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.nav__logo-name span {
  color: var(--color-gold);
}

.nav__logo-tagline {
  font-size: var(--size-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Menu */
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: var(--size-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-text);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta {
  padding: 0.6rem 1.4rem;
  font-size: var(--size-xs);
}

/* Burger */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  padding: 6px;
}

.nav__burger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

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

/* Mobile */
@media (max-width: 768px) {
  .nav__burger {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    border-top: 1px solid var(--color-border);
  }

  .nav__menu.open {
    transform: translateX(0);
  }

  .nav__link {
    font-size: var(--size-xl);
    font-family: var(--font-display);
    letter-spacing: 0.02em;
    color: var(--color-text);
  }

  .nav__cta {
    padding: 0.85rem 2.5rem;
    font-size: var(--size-sm);
  }
}