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

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(26, 22, 18, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.wordmark {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-variant: small-caps;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--color-text-primary);
  text-decoration: none;
}

.wordmark .ampersand {
  color: var(--color-accent);
  font-style: italic;
  font-variant: normal;
  text-transform: none;
  letter-spacing: normal;
}

.nav-links {
  display: flex;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  font-variant: small-caps;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a[aria-current="page"] {
  color: var(--color-text-primary);
}

.nav-links a[aria-current="page"]::after {
  width: 100%;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  padding: var(--space-2);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-4);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }
}