nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  will-change: transform;
  backface-visibility: hidden;
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--fg);
  letter-spacing: 2px;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: center;
}

nav a {
  color: var(--dim);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 1px;
  transition: color 0.15s;
}

nav a:hover {
  color: var(--accent);
}

.nav-home {
  display: none;
  font-size: 1rem;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--fg);
  transition: transform 0.2s, opacity 0.2s;
}

nav.nav-open .nav-hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

nav.nav-open .nav-hamburger span:nth-child(2) {
  opacity: 0;
}

nav.nav-open .nav-hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}