/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: saturate(1.1) blur(6px);
}

.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-seal {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--color-accent);
}

.brand-seal img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name .brand-title {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.brand-name .brand-subtitle {
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.main-nav a {
  font-weight: 600;
  color: var(--color-text);
  font-size: var(--fs-sm);
  transition: color var(--duration-fast) var(--ease-standard);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.cart-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: 0.6em 1.1em 0.6em 0.9em;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: var(--fs-sm);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-fast) var(--ease-standard);
}

.cart-button:hover {
  transform: translateY(-1px);
}

.cart-button svg {
  width: 20px;
  height: 20px;
}

.cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 20px;
  height: 20px;
  padding: 0 4px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-deep);
  font-size: 0.7rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-bg);
}

.cart-count[hidden] {
  display: none;
}

@media (max-width: 720px) {
  .main-nav {
    display: none;
  }
  .brand-subtitle {
    display: none;
  }
}