.topbar {
  background: var(--primary);
  color: var(--white);
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.65rem 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 245, 242, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo img,
.logo-img {
  height: 36px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
}

.logo-text {
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--text);
  transition: color 0.2s ease;
}

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

.cart-nav-btn {
  font-weight: 700;
  color: var(--primary) !important;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.cart-badge {
  display: inline-grid;
  place-items: center;
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.25rem;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 0.68rem;
  letter-spacing: 0;
  font-weight: 700;
}

.cart-badge--empty {
  opacity: 0.45;
}

.nav-cta {
  font-weight: 700;
  color: var(--primary) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--primary);
  line-height: 1;
  padding: 0.25rem;
}

/* Compat: headers antiguos */
.brand-header {
  display: none;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 0;
    box-shadow: var(--shadow-soft);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links li {
    border-top: 1px solid var(--line);
  }

  .nav-links a,
  .nav-links .cart-nav-btn {
    display: block;
    padding: 0.85rem 1.25rem;
  }
}