/* Zero Debris Database: shared theme typography, colours and page structure. */
.zero-debris-page [hidden] {
  display: none !important;
}
.zero-debris-page .zd-introduction {
  padding-bottom: 0;
}
.zero-debris-page .zd-directory-layout {
  background: transparent;
}
.zero-debris-page .zd-sidebar,
.zero-debris-page .zd-results-column {
  min-width: 0;
}
.zero-debris-page .zd-sidebar {
  padding-right: 2rem;
}
.zero-debris-page .clear-all-btn {
  text-transform: uppercase;
  text-decoration: none;
}
.zero-debris-page .clear-all-btn:hover {
  color: #fff;
}
.zero-debris-page .zd-search:focus-within {
  border-color: var(--light-green, #8bd3ce);
}
.zero-debris-page .zd-search input {
  min-width: 0;
}
.zero-debris-page .zd-search input:focus,
.zero-debris-page .zd-search input:focus-visible {
  outline: none;
  box-shadow: none;
}
.zero-debris-page .zd-search-arrow {
  display: flex;
  align-items: center;
  min-width: 2rem;
  min-height: 2.75rem;
  justify-content: center;
  color: #fff;
}
.zero-debris-page .zd-search-arrow svg {
  transition: color 0.2s ease;
}
.zero-debris-page .zd-search-arrow:hover svg {
  color: #38998f;
}
.zero-debris-page .zd-filter-group {
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}
.zero-debris-page .zd-filter-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 0;
  cursor: pointer;
  list-style: none;
  color: #fff;
  font-family: var(--notesesa, sans-serif);
  font-size: 1.05rem;
  text-transform: uppercase;
}
.zero-debris-page .zd-filter-group summary::-webkit-details-marker {
  display: none;
}
.zero-debris-page .zd-chevron {
  flex: 0 0 0.55rem;
  height: 0.55rem;
  margin-right: 0.3rem;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.15s ease;
}
.zero-debris-page .zd-filter-group[open] .zd-chevron {
  transform: rotate(225deg);
}
.zero-debris-page .zd-filter-group fieldset {
  border: 0;
  padding: 0 0 0.75rem;
  margin: 0;
  min-width: 0;
}
/* Reuse the patents' checkbox styles, with the square to the left of the label. */
.zero-debris-page .zd-checkbox {
  box-sizing: border-box;
  padding: 0 0 0 2rem;
  overflow-wrap: anywhere;
  cursor: pointer;
}
.zero-debris-page .zd-checkbox .checkmark {
  left: 0;
  right: auto;
}
.zero-debris-page .zd-checkbox input:focus-visible {
  outline: none;
}
.zero-debris-page .zd-checkbox input:focus-visible ~ .checkmark {
  outline: 2px solid var(--light-green, #8bd3ce);
  outline-offset: 4px;
}
.zero-debris-page .zd-results-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 1rem;
}
.zero-debris-page .zd-results-heading h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2vw, 1.8rem);
}
.zero-debris-page .zd-results-count {
  margin: 0;
  color: var(--grey, #ccd4da);
  font-size: 0.875rem;
}
.zero-debris-page .zd-card {
  padding: 1.8rem 1.5rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  background: var(--bg-color, #003247);
  overflow-wrap: anywhere;
}
.zero-debris-page .zd-card:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}
.zero-debris-page .zd-entity {
  margin: 0 0 0.65rem;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}
.zero-debris-page .zd-card-title {
  margin: 0 0 1.25rem;
  padding: 0;
  border: 0;
  font-family: var(--notesesa, sans-serif);
  font-size: clamp(1.1rem, 1.5vw, 1.4rem);
  font-weight: bold;
  line-height: 1.4;
  text-transform: none;
}
.zero-debris-page .zd-card-metadata {
  display: grid;
  gap: 1.25rem;
  margin: 0;
}
.zero-debris-page .zd-card-metadata > div {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr);
  gap: 0.75rem;
}
.zero-debris-page .zd-card-metadata dt {
  font-family: var(--notesesa, sans-serif);
  font-size: 0.85rem;
  font-weight: normal;
  color: var(--grey, #ccd4da);
}
.zero-debris-page .zd-card-metadata dd {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.55;
  color: #fff;
}
.zero-debris-page .zd-card-metadata dd span {
  display: block;
  margin-bottom: 0.35rem;
}
.zero-debris-page .zd-card-metadata dd span:last-child {
  margin-bottom: 0;
}
.zero-debris-page .zd-abstract {
  margin-bottom: 1.75rem;
  color: var(--grey, #ccd4da);
  font-size: 0.95rem;
  line-height: 1.6;
}
.zero-debris-page .zd-abstract p {
  font-size: inherit;
  line-height: inherit;
  margin: 0 0 0.8em;
}
.zero-debris-page .zd-abstract > :last-child {
  margin-bottom: 0;
}
.zero-debris-page .zd-details-link,
.zero-debris-page .zd-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--notesesa, sans-serif);
  font-size: 1.05rem;
  color: #fff;
  text-decoration: none;
}
.zero-debris-page .zd-card-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 1.75rem;
}
.zero-debris-page .zd-details-link,
.zero-debris-page .zd-back-link {
  box-sizing: border-box;
  padding: 0.4rem 0;
  min-height: 2.75rem;
  border: 0;
  background: transparent;
  font-size: 1rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.zero-debris-page .zd-details-link svg,
.zero-debris-page .zd-back-link svg {
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.zero-debris-page .zd-details-link:hover,
.zero-debris-page .zd-back-link:hover {
  background: transparent;
  color: #fff;
  text-decoration: none;
}
.zero-debris-page .zd-details-link:hover .zd-details-label,
.zero-debris-page .zd-back-link:hover .zd-details-label {
  color: var(--light-green, #8bd3ce);
}
.zero-debris-page .zd-details-link:hover svg {
  transform: translateX(0.25rem);
}
.zero-debris-page .zd-back-link:hover svg {
  transform: translateX(-0.25rem);
}
.zero-debris-page :is(a, button, input, summary):focus-visible {
  outline: 2px solid var(--light-green, #8bd3ce);
  outline-offset: 5px;
}
.zero-debris-page .zd-empty-state {
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  padding: 2rem 0;
}
.zero-debris-page .zd-empty-state h3 {
  font-size: 1.35rem;
}
.zero-debris-page .zd-pagination .pagination {
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}
.zero-debris-page .zd-pagination .page-link.prev,
.zero-debris-page .zd-pagination .page-link.next {
  border: 0;
}
.zero-debris-page #zero-debris-results {
  scroll-margin-top: 9rem;
}
.zero-debris-page.zd-single .page-header {
  min-height: 0;
  padding: 7rem 0 3rem;
}
.zero-debris-page .zd-eyebrow {
  font-family: var(--notesesa, sans-serif);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
}
.zero-debris-page .zd-header-entity {
  margin: 1rem 0 0;
  color: var(--grey, #ccd4da);
}
.zero-debris-page .zd-detail {
  padding-top: 2rem;
  overflow-wrap: anywhere;
}
.zero-debris-page .zd-detail-overview {
  margin-bottom: 3rem;
}
.zero-debris-page .zd-detail-block {
  margin-bottom: 2.5rem;
  padding: 0 0 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.zero-debris-page .zd-detail h2.patent-cat-title {
  margin: 0 0 1rem;
  padding: 0;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: normal;
}
.zero-debris-page .zd-detail .entry-content {
  margin-top: 0;
}
.zero-debris-page .zd-detail .entry-content p {
  line-height: 1.75;
}
.zero-debris-page .zd-detail-abstract .entry-content {
  font-size: 1.1rem;
}
.zero-debris-page .zd-detail-picture {
  margin: 0;
}
.zero-debris-page .zd-detail-picture img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 28rem;
  object-fit: contain;
  object-position: top;
}
.zero-debris-page .zd-detail-picture figcaption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--grey, #ccd4da);
}
.zero-debris-page .zd-classification {
  margin: 0;
  border-top: 1px solid rgba(129, 151, 166, 0.35);
}
.zero-debris-page .zd-classification > div {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1.5rem 0;
}
.zero-debris-page .zd-classification > div + div {
  border-top: 1px solid rgba(129, 151, 166, 0.2);
}
.zero-debris-page .zd-classification > div:last-child {
  padding-bottom: 0;
}
.zero-debris-page .zd-classification dt {
  margin: 0;
  padding-top: 0.3rem;
  color: #fff;
  font-family: var(--notesesa, sans-serif);
  font-size: 1.15rem;
  font-weight: normal;
  line-height: 1.6;
}
.zero-debris-page .zd-classification dd {
  min-width: 0;
  margin: 0;
}
.zero-debris-page .zd-classification ul {
  display: grid;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.zero-debris-page .zd-classification li {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  align-items: start;
  gap: 1rem;
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
}
.zero-debris-page .zd-classification-code {
  display: block;
  padding: 0.3rem 0.45rem;
  border: 1px solid rgba(25, 217, 208, 0.3);
  background: rgba(25, 217, 208, 0.06);
  color: var(--light-green, #19d9d0);
  font-family: var(--notesesa, sans-serif);
  font-size: 0.9rem;
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-align: center;
}
.zero-debris-page .zd-classification-text {
  min-width: 0;
  padding-top: 0.2rem;
}
.zero-debris-page .zd-classification-text:only-child {
  grid-column: 1 / -1;
}
.zero-debris-page .zd-facts {
  box-sizing: border-box;
  padding: 0;
  background: none;
}
.zero-debris-page .zd-facts-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 0;
}
.zero-debris-page .zd-facts-grid > div {
  min-width: 0;
  padding: 1.25rem 1.5rem;
}
.zero-debris-page .zd-facts dt {
  margin-bottom: 0.75rem;
  font-family: var(--notesesa, sans-serif);
  color: var(--grey, #ccd4da);
  font-weight: normal;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.zero-debris-page .zd-facts dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: #fff;
}
.zero-debris-page .zd-facts dd p,
.zero-debris-page .zd-facts dd a {
  font-size: inherit;
}
.zero-debris-page .zd-facts dd a {
  overflow-wrap: anywhere;
}
.zero-debris-page .zd-facts dd p:last-child {
  margin-bottom: 0;
}
.zero-debris-page .zd-back-link {
  margin-top: 2rem;
}
@media (min-width: 768px) {
  .zero-debris-page .zd-facts-grid > div:nth-child(n + 4) {
    border-top: 1px solid rgba(129, 151, 166, 0.35);
  }
  .zero-debris-page .zd-facts-grid > div:not(:nth-child(3n + 1)) {
    border-left: 1px solid rgba(129, 151, 166, 0.35);
  }
}
@media (max-width: 1199.98px) {
  .zero-debris-page .zd-card-metadata > div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}
@media (max-width: 767.98px) {
  .zero-debris-page .zd-sidebar {
    padding-right: calc(var(--bs-gutter-x, 1.5rem) * 0.5);
  }
  .zero-debris-page .zd-card {
    padding: 1.5rem 0;
  }
  .zero-debris-page .zd-classification > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.85rem;
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
  }
  .zero-debris-page .zd-classification dt {
    padding-top: 0;
  }
  .zero-debris-page .zd-classification li {
    grid-template-columns: 4rem minmax(0, 1fr);
    gap: 0.85rem;
  }
  .zero-debris-page .zd-facts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .zero-debris-page .zd-facts-grid > div {
    padding: 1rem;
  }
}
@media (min-width: 576px) and (max-width: 767.98px) {
  .zero-debris-page .zd-facts-grid > div:nth-child(n + 3) {
    border-top: 1px solid rgba(129, 151, 166, 0.35);
  }
  .zero-debris-page .zd-facts-grid > div:not(:nth-child(2n + 1)) {
    border-left: 1px solid rgba(129, 151, 166, 0.35);
  }
}
@media (max-width: 575.98px) {
  .zero-debris-page .zd-facts-grid {
    grid-template-columns: 1fr;
  }
  .zero-debris-page .zd-facts-grid > div + div {
    border-top: 1px solid rgba(129, 151, 166, 0.35);
  }
}
@media (prefers-reduced-motion: reduce) {
  .zero-debris-page .zd-chevron,
  .zero-debris-page .zd-search-arrow svg,
  .zero-debris-page .zd-details-link svg,
  .zero-debris-page .zd-back-link svg {
    transition: none;
  }
}