.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-4);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
  transition: opacity var(--duration) var(--ease-out);
}

.header__logo:hover {
  opacity: 0.7;
}

.header__logo-icon {
  width: 24px;
  height: 24px;
}

.header__cart {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  position: relative;
}

.header__cart-icon {
  color: var(--color-text);
}

.header__cart-count {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 var(--space-1);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  background-color: var(--color-primary);
  color: var(--color-primary-fg);
  border-radius: 9999px;
  line-height: 1;
}