.catalog-header {
  padding: 42px 0 25px;
}
.catalog-header .lead {
  margin-top: 8px;
}
.demo-notice {
  font-size: var(--text-xs);
  margin-top: 11px;
  color: #94a2b5;
}
.filter-primary {
  display: flex;
  gap: 20px;
  align-items: center;
}
.search-form {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 15px;
  min-height: 52px;
  padding: 8px 12px 8px 17px;
  flex: 1;
  min-width: 0;
  background: #ffffffb0;
}
.search-form > input {
  border: 0;
  outline: 0;
  background: transparent;
  min-width: 0;
  flex: 1;
  color: var(--ink);
  font-size: var(--text-sm);
}
.search-form input::placeholder {
  color: #94a2b8;
}
.search-form > button {
  width: 35px;
  height: 35px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #eff6fc;
  color: #577695;
}
.filter-tabs {
  display: flex;
  gap: 10px;
  align-items: center;
  flex: 1;
}
.filter-tabs > a {
  text-align: center;
  padding: 12px 18px;
  flex: 1;
  white-space: nowrap;
  background: #f1f6fa;
  border-radius: 14px;
  color: #586c87;
  font-size: var(--text-sm);
}
.filter-tabs > a[aria-current] {
  background: linear-gradient(120deg, #161c26, #080d15);
  color: white;
}
.filter-secondary {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 18px 0 20px;
}
.filter-secondary select {
  appearance: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 13px;
  background: white;
  color: #52657f;
  font-size: var(--text-xs);
  max-width: 210px;
}
.reset-link {
  font-size: var(--text-xs);
  color: #6381a1;
}
.project-tags {
  margin: 16px 0 20px;
}
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px 18px;
}
.content-card {
  min-width: 0;
}
.card-visual {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background: #e5eff5;
  aspect-ratio: 4/5;
}
.card-visual > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.card-visual:hover img {
  transform: scale(1.025);
}
.media-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 7px 10px;
  background: #111c29c9;
  color: white;
  border-radius: 9px;
  font-size: var(--text-xs);
  backdrop-filter: blur(4px);
}
.media-badge svg {
  width: 15px;
  height: 15px;
}
.card-title {
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.035em;
  margin: 10px 0 8px;
  min-height: 2.6em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-copy .tags {
  flex-wrap: nowrap;
  overflow: hidden;
  gap: 6px;
  min-height: 27px;
}
.card-copy .tags > a {
  font-size: var(--text-xs);
  padding: 5px 10px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-title a:hover {
  color: #306c94;
}
.projects-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.project-card {
  border: 1px solid var(--line);
  border-radius: 17px;
  overflow: hidden;
  background: #ffffff85;
}
.project-card .card-visual {
  aspect-ratio: 1.86;
  border-radius: 0;
}
.demo-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: var(--text-xs);
  padding: 5px 10px;
  border: 1px solid #bac9d6;
  border-radius: 9px;
  background: #f9fcffe3;
  color: #647489;
}
.project-card .card-copy {
  position: relative;
  padding: 13px 16px 20px;
}
.category-label {
  font-size: var(--text-xs);
  color: #8292a8;
}
.project-card .card-title {
  min-height: 0;
  margin: 5px 0 7px;
  font-size: var(--text-xl);
}
.project-card p {
  font-size: var(--text-sm);
  line-height: 1.5;
  min-height: 3em;
  max-width: 92%;
}
.project-card .tags {
  margin-top: 15px;
  padding-right: 48px;
}
.project-card .round-arrow {
  position: absolute;
  bottom: 17px;
  right: 17px;
}
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 25px 0;
  color: #8293a7;
  font-size: var(--text-xs);
}
.pagination > a:not(.button) {
  color: #497aa0;
}
.pagination .button {
  padding: 8px 35px;
  min-height: 40px;
  font-size: var(--text-xs);
}
.empty-state {
  text-align: center;
  padding: 55px 15px;
}
.empty-state > svg {
  width: 36px;
  height: 36px;
  color: #829bb2;
  margin: auto auto 15px;
}
.empty-state p {
  margin: 12px 0 20px;
}
.knowledge-hero {
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  gap: 30px;
  align-items: center;
  padding: 30px 0 24px;
}
.knowledge-hero h1 {
  margin: 18px 0 10px;
}
.knowledge-hero .lead {
  font-size: var(--text-2xl);
  max-width: 440px;
}
.knowledge-hero .search-form {
  margin-top: 25px;
}
.knowledge-hero > img {
  width: 100%;
  height: 300px;
  border-radius: 23px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 11px;
  border-radius: 30px;
  background: #edf6fc;
  color: #647c95;
  font-size: var(--text-xs);
}
.eyebrow i {
  width: 7px;
  height: 7px;
  background: #5ebaff;
  border-radius: 50%;
}
.knowledge-tabs {
  margin-bottom: 28px;
  gap: 12px;
}
.knowledge-layout {
  display: grid;
  grid-template-columns: 295px minmax(0, 1fr);
  gap: 20px;
}
.topics-panel,
.questions-panel {
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #ffffff50;
  align-self: start;
}
.topics-panel h2,
.questions-panel h2 {
  font-size: var(--text-2xl);
  margin-bottom: 18px;
}
.topics-panel nav {
  display: grid;
  gap: 2px;
}
.topics-panel nav > a {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 49px;
  border-radius: 12px;
  border-bottom: 1px solid #eff3f7;
  font-size: var(--text-xs);
  color: #60718a;
}
.topics-panel nav > a[aria-current] {
  background: #edf7ff;
  padding: 0 8px;
}
.topics-panel small {
  font-size: var(--text-xs);
  color: #8394aa;
}
.topics-panel small:last-child {
  margin-left: auto;
}
.topics-panel svg {
  width: 21px;
}
.questions-panel .section-heading {
  margin-bottom: 0;
}
.question {
  border: 1px solid var(--line);
  border-radius: 16px;
  margin-bottom: 10px;
  background: #ffffff75;
}
.question summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 16px;
  cursor: pointer;
  font-size: var(--text-base);
  letter-spacing: -0.025em;
}
.question summary::-webkit-details-marker {
  display: none;
}
.question-toggle {
  display: grid;
  place-items: center;
  background: #edf6fc;
  min-width: 31px;
  height: 31px;
  border-radius: 50%;
  font-size: var(--text-xl);
}
.question-toggle:after {
  content: "+";
}
.question[open] .question-toggle:after {
  content: "−";
}
.question[open] summary {
  font-weight: 500;
}
.question-answer {
  padding: 0 16px 16px;
}
.question-answer p {
  font-size: var(--text-sm);
  line-height: 1.5;
}
.question-answer > a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #338ed0;
  font-size: var(--text-sm);
  margin-top: 12px;
}
.questions-panel .pagination {
  font-size: var(--text-xs);
  gap: 10px;
  margin-bottom: 0;
  flex-wrap: wrap;
}
.questions-panel .pagination .button {
  font-size: var(--text-xs);
}
.related-section {
  margin: 30px 0;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.related-card {
  min-width: 0;
}
.related-card img {
  width: 100%;
  aspect-ratio: 2.1;
  height: auto;
  border-radius: 12px;
  margin-bottom: 10px;
}
.related-card .tag {
  font-size: var(--text-xs);
  margin: 0 0 7px;
}
.related-card h3 {
  margin-bottom: 6px;
}
.related-card p {
  font-size: var(--text-sm);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
@media (max-width: 1050px) {
  .filter-primary {
    gap: 12px;
    align-items: stretch;
  }
  .filter-tabs {
    gap: 7px;
  }
  .filter-tabs > a {
    padding: 12px;
    font-size: var(--text-xs);
  }
  .search-form > input {
    font-size: var(--text-sm);
  }
  .catalog-grid {
    gap: 19px 13px;
  }
  .card-title {
    font-size: var(--text-base);
  }
  .knowledge-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 15px;
  }
  .topics-panel,
  .questions-panel {
    padding: 17px;
  }
  .knowledge-hero > img {
    height: 270px;
  }
  .knowledge-hero .lead {
    font-size: var(--text-xl);
  }
  .card-copy .tags > a {
    padding: 4px 8px;
    font-size: var(--text-xs);
  }
}
@media (max-width: 760px) {
  .catalog-header {
    padding: 27px 0 21px;
  }
  .catalog-header h1 {
    max-width: 500px;
  }
  .catalog-header .lead {
    font-size: var(--text-lg);
    margin-top: 10px;
  }
  .demo-notice {
    font-size: var(--text-xs);
    line-height: 1.5;
  }
  .filter-primary {
    display: block;
  }
  .search-form {
    min-height: 48px;
  }
  .filter-tabs {
    margin-top: 14px;
    gap: 6px;
    overflow: auto;
    scrollbar-width: none;
  }
  .filter-tabs > a {
    padding: 10px 12px;
    font-size: var(--text-xs);
    min-height: 40px;
    border-radius: 11px;
  }
  .filter-secondary {
    margin: 13px 0 18px;
    gap: 9px;
    flex-wrap: wrap;
  }
  .filter-secondary select {
    font-size: var(--text-xs);
    max-width: 175px;
    padding: 10px;
    border-radius: 10px;
  }
  .reset-link {
    font-size: var(--text-xs);
  }
  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 17px 12px;
  }
  .card-visual {
    border-radius: 10px;
    aspect-ratio: 4/5;
  }
  .media-badge {
    top: 8px;
    left: 8px;
    font-size: var(--text-xs);
    gap: 5px;
    padding: 5px 7px;
    border-radius: 7px;
  }
  .media-badge svg {
    width: 12px;
    height: 12px;
  }
  .card-title {
    font-size: var(--text-sm);
    line-height: 1.35;
    min-height: 2.7em;
    margin: 8px 0 5px;
    letter-spacing: -0.03em;
  }
  .card-copy .tags {
    gap: 5px;
    min-height: 23px;
  }
  .card-copy .tags > a {
    font-size: var(--text-xs);
    padding: 4px 7px;
  }
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 17px;
  }
  .project-card .card-visual {
    aspect-ratio: 1.75;
  }
  .project-card .card-title {
    font-size: var(--text-xl);
  }
  .project-card .card-copy {
    padding: 13px 15px 18px;
  }
  .project-card p {
    font-size: var(--text-sm);
    max-width: 95%;
  }
  .project-card .tags > a {
    font-size: var(--text-xs);
  }
  .pagination {
    flex-wrap: wrap;
    gap: 13px;
    margin: 23px 0;
  }
  .pagination .button {
    font-size: var(--text-xs);
    min-height: 43px;
    padding: 9px 28px;
  }
  .knowledge-hero {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 26px 0 10px;
  }
  .knowledge-hero h1 {
    margin: 14px 0 10px;
  }
  .knowledge-hero .lead {
    font-size: var(--text-xl);
  }
  .knowledge-hero .search-form {
    margin-top: 19px;
  }
  .knowledge-hero > img {
    height: 175px;
    border-radius: 17px;
  }
  .knowledge-tabs {
    margin: 13px 0 18px;
    gap: 7px;
  }
  .knowledge-layout {
    grid-template-columns: 1fr;
    gap: 17px;
  }
  .topics-panel {
    padding: 15px;
  }
  .topics-panel h2 {
    margin-bottom: 10px;
  }
  .topics-panel nav {
    display: flex;
    gap: 7px;
    overflow: auto;
  }
  .topics-panel nav > a {
    flex: none;
    border: 1px solid #eaf0f5;
    min-height: 41px;
    padding: 0 10px;
    font-size: var(--text-xs);
    gap: 7px;
  }
  .topics-panel nav > a[aria-current] {
    padding: 0 10px;
  }
  .topics-panel nav > a > small:first-of-type {
    display: none;
  }
  .topics-panel svg {
    width: 16px;
    height: 16px;
  }
  .questions-panel {
    padding: 15px;
    border-radius: 18px;
  }
  .question summary {
    font-size: var(--text-base);
    padding: 13px;
    line-height: 1.4;
  }
  .question-answer {
    padding: 0 13px 14px;
  }
  .question-answer p {
    font-size: var(--text-sm);
  }
  .question-toggle {
    min-width: 28px;
    height: 28px;
  }
  .related-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .related-card img {
    aspect-ratio: 2.15;
  }
  .related-card p {
    font-size: var(--text-sm);
  }
  .project-tags {
    gap: 6px;
  }
  .project-tags a {
    font-size: var(--text-xs);
  }
  .knowledge-hero .eyebrow {
    font-size: var(--text-xs);
  }
}
@media (max-width: 360px) {
  .catalog-grid {
    gap: 15px 9px;
  }
  .card-title {
    font-size: var(--text-sm);
  }
  .card-copy .tags > a {
    font-size: var(--text-xs);
    padding: 4px 6px;
  }
  .filter-tabs > a {
    padding: 10px;
    font-size: var(--text-xs);
  }
}

.project-play {
  position: absolute;
  inset: 0;
  margin: auto;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid #fff;
  border-radius: 50%;
  color: #fff;
  background: #14202a99;
  backdrop-filter: blur(4px);
}
.project-play svg {
  width: 24px;
  height: 24px;
}