.site-header {
  box-shadow: var(--shadow-subtle);
}

.nav-brand-text {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(255, 247, 237, 0.85);
  cursor: pointer;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  flex-shrink: 0;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
  transform-origin: center;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(1),
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(2),
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(3),
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-cta .nav-download {
  font-size: var(--font-size-xs);
  padding-inline: 1rem;
}

.nav-cta .fa-google-play {
  font-size: 0.95rem;
}

.mobile-nav-panel {
  border-top: 1px solid rgba(254, 215, 170, 0.9);
  background: radial-gradient(circle at top left, #fffbeb 0, #fefce8 40%, #ffedd5 100%);
}

.mobile-nav-panel.is-open {
  display: block;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  padding: var(--space-4) var(--space-5) var(--space-5);
  gap: 0.75rem;
}

.mobile-nav-link {
  display: block;
  padding: 0.55rem 0.1rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

.mobile-nav-download {
  margin-top: var(--space-3);
  padding: 0.7rem 1rem;
  border-radius: var(--radius-full);
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-amber));
  color: #fefce8;
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: var(--shadow-warm);
}

@media (min-width: 641px) {
  .nav-toggle {
    display: none;
  }
  .mobile-nav-panel {
    display: none !important;
  }
}

@media (max-width: 640px) {
  .nav-cta {
    display: none;
  }
  .nav-primary {
    display: none;
  }
}