.header {
  background-color: white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gray-900);
}

.logo-icon {
  color: var(--color-primary);
  transition: transform 0.2s;
}

.logo-link:hover .logo-icon {
  transform: scale(1.1);
}

.nav-links {
  display: none;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--color-gray-600);
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s;
}

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

.cart-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--color-primary);
  color: white;
  border-radius: 9999px;
  font-weight: 600;
  transition: background-color 0.2s;
}

.cart-link:hover {
  background-color: var(--color-primary-dark);
}

.cart-link svg {
  transition: transform 0.2s;
}

.cart-link:hover svg {
  transform: scale(1.1);
}

.cart-count {
  background-color: white;
  color: var(--color-primary);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}