.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), backdrop-filter var(--transition-base);
}

.nav.scrolled {
  background: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}

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

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

.nav__logo-img {
  height: 32px;
  width: auto;
  transition: opacity var(--transition-fast);
}

.nav__logo:hover .nav__logo-img {
  opacity: 0.8;
}

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

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--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(--accent);
  transition: width var(--transition-base);
}

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

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

.nav__cta {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius-full);
  color: var(--accent);
  font-size: var(--text-xs);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.nav__cta:hover {
  background: var(--accent);
  color: var(--bg);
}

/* Mobile menu */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

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

.nav__mobile-menu {
  display: none;
}

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

  .nav__burger {
    display: flex;
  }

  .nav__mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(5, 5, 5, 0.97);
    backdrop-filter: blur(30px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
  }

  .nav__mobile-menu.open {
    display: flex;
  }

  .nav__mobile-menu .nav__link {
    font-size: var(--text-2xl);
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--text);
  }

  .nav.menu-open .nav__burger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav.menu-open .nav__burger span:nth-child(2) {
    opacity: 0;
  }
  .nav.menu-open .nav__burger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}