:root {
  --block-product-header-version: 20260921first2;
  --block-product-subheader-height: 36px;
  --block-product-mainheader-height: 72px;
  --block-product-brand-image-height: 52px;
}

/* The product header participates in normal flow. Reserve its measured base
 * geometry in initial HTML so deferred rendering cannot push the main content
 * down after the first paint. Product-specific extension rows remain additive. */
.block-product-header-mount {
  min-block-size: calc(var(--block-product-subheader-height) + var(--block-product-mainheader-height));
}

.block-product-header[data-block-header-state="pending"] {
  visibility: hidden;
  opacity: 0;
}

.block-product-header[data-block-header-state="ready"] {
  visibility: visible;
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .block-product-header[data-block-header-state="ready"] {
    animation: block-product-header-first-reveal 140ms ease-out both;
  }
}

@keyframes block-product-header-first-reveal {
  from { opacity: 0; }
  to { opacity: 1; }
}

.block-product-header {
  --block-product-shell-max: var(--page-max, 1560px);
  --block-product-shell-padding: clamp(var(--space-3, 12px), 4vw, var(--space-6, 24px));
  isolation: isolate;
  width: 100%;
  color: var(--foreground);
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.block-product-shell {
  width: 100%;
  max-width: calc(var(--block-product-shell-max) + var(--block-product-shell-padding) + var(--block-product-shell-padding));
  margin-inline: auto;
  padding-inline: var(--block-product-shell-padding);
}

.block-product-subheader {
  min-height: var(--block-product-subheader-height);
  background: color-mix(in srgb, var(--card) 90%, var(--background));
  border-bottom: 1px solid var(--border-subtle);
}

.block-product-subheader > .block-product-shell {
  display: flex;
  align-items: center;
  min-height: var(--block-product-subheader-height);
}

.block-product-site-brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.block-product-site-brand .nav-logo {
  height: 15px;
  border-radius: var(--radius-sm, 8px);
  opacity: 0.76;
  transition: opacity 0.16s ease;
}

.block-product-site-brand .nav-logo:hover,
.block-product-site-brand .nav-logo:focus-visible {
  opacity: 1;
}

.block-product-site-brand .nav-logo:focus-visible,
.block-product-site-brand .block-service-menu-trigger:focus-visible,
.block-product-brand:focus-visible,
.block-product-local-link:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.block-product-site-brand .block-service-menu-trigger {
  display: inline-flex;
  color: var(--muted-foreground);
}

.block-product-site-brand .block-service-menu-trigger:hover,
.block-product-site-brand .block-service-menu-trigger:focus-visible,
.block-product-site-brand .block-brand-switcher.is-open .block-service-menu-trigger {
  background: var(--hover-overlay);
  color: var(--foreground);
}

.block-product-mainheader {
  min-height: var(--block-product-mainheader-height);
  background: var(--card);
}

.block-product-mainheader > .block-product-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-5, 20px);
  min-height: var(--block-product-mainheader-height);
}

.block-product-primary {
  display: flex;
  align-items: center;
  align-self: stretch;
  min-width: 0;
  gap: var(--space-5, 20px);
}

.block-product-brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-self: start;
  min-width: 0;
  border-radius: var(--radius-sm, 8px);
  color: var(--foreground);
  text-decoration: none;
}

.block-product-brand-image {
  display: block;
  height: var(--block-product-brand-image-height);
  width: auto;
  max-width: 164px;
  max-height: var(--block-product-brand-image-height);
  object-fit: contain;
}

:root[data-theme="dark"] .block-product-brand-image,
:root[data-theme="hc-dark"] .block-product-brand-image {
  filter: brightness(0) invert(1);
}

.block-product-brand-label {
  font-size: var(--fs-h3, 18px);
  font-weight: 700;
  line-height: var(--lh-h3, 1.35);
}

.block-product-local-nav {
  position: relative;
  display: flex;
  align-items: center;
  align-self: stretch;
  justify-content: flex-start;
  min-width: 0;
  gap: var(--space-1, 4px);
  padding-inline-start: var(--space-4, 16px);
}

.block-product-local-nav::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 50%;
  width: 1px;
  height: var(--space-6, 24px);
  background: var(--border-subtle);
  transform: translateY(-50%);
}

.block-product-local-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 100%;
  padding-inline: var(--space-3, 12px);
  border-radius: 0;
  color: var(--muted-foreground);
  font-size: var(--fs-sm, 14px);
  font-weight: 600;
  line-height: var(--lh-sm, 1.45);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.16s ease;
}

.block-product-local-link::after {
  content: '';
  position: absolute;
  right: var(--space-3, 12px);
  bottom: 0;
  left: var(--space-3, 12px);
  height: 2px;
  border-radius: var(--radius-full, 999px);
  background: var(--primary);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: center;
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.block-product-local-link:hover,
.block-product-local-link:focus-visible {
  color: var(--foreground);
}

.block-product-local-link:hover::after,
.block-product-local-link:focus-visible::after {
  opacity: 0.56;
  transform: scaleX(0.44);
}

.block-product-local-link[aria-current="page"] {
  color: var(--foreground);
}

.block-product-local-link[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.block-product-main-actions,
.block-product-status,
.block-product-account {
  display: flex;
  align-items: center;
  min-width: 0;
}

.block-product-main-actions {
  justify-content: flex-end;
  gap: var(--space-3, 12px);
}

.block-product-status {
  color: var(--muted-foreground);
  padding-inline-end: var(--space-3, 12px);
  border-inline-end: 1px solid var(--border-subtle);
}

.block-product-account {
  gap: var(--space-2, 8px);
}

.block-product-account .pc-auth-widget {
  --pc-auth-surface: var(--muted);
  --pc-auth-surface-strong: var(--card);
  --pc-auth-border: var(--border);
  --pc-auth-hover: var(--hover-overlay);
  --pc-auth-muted: var(--muted-foreground);
  --pc-auth-text: var(--foreground);
}

@media (max-width: 1024px) {
  .block-product-header-mount {
    min-block-size: 156px;
  }

  .block-product-mainheader > .block-product-shell {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-3, 12px);
    padding-block: var(--space-2, 8px);
  }

  .block-product-primary {
    display: contents;
  }

  .block-product-local-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    align-self: auto;
    justify-content: flex-start;
    width: 100%;
    min-height: var(--control-h-m, 40px);
    padding-inline-start: 0;
    border-top: 1px solid var(--border-subtle);
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
  }

  .block-product-local-nav::before {
    display: none;
  }

  body.block-service-menu-compact-open {
    overflow: hidden;
  }

  .block-service-menu-popover--compact {
    display: block;
    max-width: 100vw;
    max-height: calc(100dvh - var(--block-service-menu-top, var(--block-product-subheader-height)));
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  .block-service-menu-popover--compact[hidden] {
    display: none;
  }

  .block-service-menu-popover--compact .block-service-menu-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .block-service-menu-popover--compact .block-service-search {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .block-service-menu-popover--compact .block-service-menu-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .block-product-header-mount {
    min-block-size: 144px;
  }

  .block-product-header {
    --block-product-shell-padding: var(--space-3, 12px);
    --block-product-brand-image-height: 44px;
  }

  .block-product-mainheader > .block-product-shell {
    gap: var(--space-2, 8px);
  }

  .block-product-brand-image {
    max-width: 132px;
  }

  .block-product-main-actions {
    gap: var(--space-2, 8px);
  }

  .block-product-status {
    padding-inline-end: var(--space-2, 8px);
  }

  .block-service-menu-popover--compact {
    padding: var(--space-3, 12px);
  }

  .block-service-menu-popover--compact .block-service-menu-header,
  .block-service-menu-popover--compact .block-service-menu-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .block-service-menu-popover--compact .block-service-menu-categories {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-right: 0;
    padding-bottom: var(--space-3, 12px);
    border-right: 0;
    border-bottom: 1px solid var(--border-strong);
  }

  .block-service-menu-popover--compact .block-service-menu-actions {
    grid-column: 1;
    grid-row: 3;
    justify-content: space-between;
  }

  .block-product-local-link {
    min-height: 36px;
    padding-inline: var(--space-3, 12px);
    font-size: var(--fs-xs, 13px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .block-product-site-brand .nav-logo,
  .block-product-local-link,
  .block-product-local-link::after {
    transition: none;
  }
}