/* ============================================
   Navigation
   ============================================ */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 249, 245, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: transform 0.4s ease;
}

nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  letter-spacing: 1px;
  color: var(--text);
}

.nav-logo span {
  color: var(--human);
  font-size: 1.25rem;
}

.nav-logo .acc {
  color: var(--humanoid);
}

.nav-links {
  display: flex;
  gap: 10px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color var(--speed);
  position: relative;
  padding: 4px 0;
  white-space: nowrap;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--human);
  transform: scaleX(0);
  transition: transform var(--speed);
}

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

.nav-links a:hover::after {
  transform: scaleX(1);
}

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

.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

.nav-sep {
  color: var(--human);
  font-family: var(--font-mono);
  margin-right: 2px;
}