.product-directory {
  position: sticky;
  top: 68px;
  z-index: 24;
  border-block: 1px solid rgba(13, 60, 109, .12);
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 10px 28px rgba(7, 40, 76, .06);
  backdrop-filter: blur(14px);
}
.product-directory-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 24px;
  min-height: 78px;
}
.product-directory-title {
  margin: 0;
  color: #0b315c;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
}
.product-directory-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 8px 2px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}
.product-directory-list a {
  display: block;
  padding: 9px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: #46617d;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.product-directory-list a:hover,
.product-directory-list a:focus-visible {
  border-color: #9fc6eb;
  color: #075fae;
  outline: none;
}
.product-directory-list a[aria-current="location"] {
  border-color: #1689e3;
  background: #e9f5ff;
  color: #075fae;
}
.product-mobile-summary { display: none; }
.product-entry { scroll-margin-top: 164px; }

@media (max-width: 760px) {
  .product-directory { top: 64px; }
  .product-directory-inner {
    display: block;
    min-height: 0;
    padding-block: 10px;
  }
  .product-directory-title { display: none; }
  .product-directory-list { gap: 6px; padding: 0; }
  .product-directory-list a { padding: 8px 11px; font-size: 12px; }
  .product-entry {
    scroll-margin-top: 126px;
    padding-top: 0 !important;
    overflow: clip;
  }
  .product-mobile-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 0 -1px;
    padding: 18px 20px;
    border: 1px solid #cfe0ef;
    border-radius: 12px;
    background: linear-gradient(135deg, #f8fbff, #edf6ff);
    color: #0b315c;
  }
  .product-mobile-summary strong {
    font-size: 16px;
    line-height: 1.35;
  }
  .product-mobile-toggle {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border: 1px solid #9fc6eb;
    border-radius: 50%;
    background: #fff;
    color: #086dbd;
    font: 700 20px/1 system-ui, sans-serif;
    cursor: pointer;
  }
  .product-mobile-toggle::before { content: "+"; }
  .product-mobile-toggle[aria-expanded="true"]::before { content: "−"; }
  .product-mobile-body { padding-top: 20px; }
  .product-entry.is-mobile-collapsed { padding-bottom: 20px !important; }
}

@media (prefers-reduced-motion: reduce) {
  .product-directory-list a { transition: none; }
}