body {
  background: var(--ink);
  color: var(--paper);
  line-height: 1.65;
}

.catalog-hero {
  min-height: calc(100svh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 470px);
  gap: clamp(34px, 6vw, 90px);
  align-items: end;
  padding: clamp(85px, 11vw, 145px) clamp(24px, 7vw, 110px) clamp(70px, 9vw, 110px);
}

.catalog-hero-copy,
.catalog-card-demo {
  position: relative;
  z-index: 1;
}

.catalog-hero h1 {
  max-width: 920px;
  margin: 24px 0 0;
  font-size: clamp(54px, 7.4vw, 112px);
  line-height: .88;
  letter-spacing: -.06em;
}

.catalog-hero h1 em {
  color: var(--lime);
  font-style: normal;
}

.catalog-hero p:not(.page-kicker) {
  max-width: 730px;
  margin: 34px 0 0;
  color: #c8cac2;
  font-size: clamp(17px, 1.55vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 0 18px;
  border: 1px solid var(--line);
  color: var(--paper);
  font: 700 12px DM Mono, monospace;
  text-decoration: none;
  text-transform: uppercase;
}

.button.primary,
.button:hover {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
}

.catalog-card-demo {
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(16, 20, 27, .84);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .28);
}

.catalog-card-demo span,
.section-tag,
.benefit-grid span,
.book-card span,
.catalog-footer {
  font: 700 10px DM Mono, monospace;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.catalog-card-demo span,
.section-tag,
.benefit-grid span,
.book-card span {
  color: var(--lime);
}

.catalog-card-demo h2 {
  margin: 18px 0 24px;
  color: var(--paper);
  font-size: clamp(32px, 3vw, 46px);
  line-height: 1;
  letter-spacing: -.045em;
}

.catalog-card-demo dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.catalog-card-demo div {
  padding: 14px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.catalog-card-demo dt {
  color: var(--muted);
  font: 600 10px DM Mono, monospace;
  text-transform: uppercase;
}

.catalog-card-demo dd {
  margin: 8px 0 0;
  color: var(--paper);
  font-weight: 800;
}

.catalog-card-demo p {
  margin-top: 22px;
  color: #c8cac2;
}

main {
  background: var(--paper);
  color: var(--ink);
}

.intro-section,
.why-section,
.components-section,
.not-section,
.roadmap-section,
.book-section {
  width: min(calc(100% - 48px), var(--content-max));
  margin: 0 auto;
}

.intro-section,
.not-section,
.book-section {
  display: grid;
  grid-template-columns: 1fr .95fr;
  gap: clamp(30px, 7vw, 92px);
  align-items: end;
  padding: clamp(78px, 10vw, 130px) 0;
}

.why-section,
.components-section,
.demo-section,
.roadmap-section {
  padding: clamp(70px, 9vw, 115px) 0;
  border-top: 1px solid var(--dark-line);
}

.intro-section h2,
.section-heading h2,
.not-section h2,
.book-section h2 {
  margin: 14px 0 0;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1;
  letter-spacing: -.055em;
}

.intro-section p,
.section-heading p,
.benefit-grid p,
.component-list p,
.not-section p,
.roadmap span,
.book-section p,
.book-card small {
  color: #565951;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: clamp(28px, 6vw, 80px);
  align-items: end;
  margin-bottom: 44px;
}

.section-heading.compact {
  display: block;
  max-width: 850px;
}

.benefit-grid,
.component-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--dark-line);
  border-left: 1px solid var(--dark-line);
}

.benefit-grid article,
.component-list article {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border-right: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
}

.benefit-grid h3,
.component-list strong {
  margin: auto 0 14px;
  font-size: clamp(24px, 2.4vw, 36px);
  line-height: 1.05;
  letter-spacing: -.045em;
}

.component-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.demo-section {
  width: min(calc(100% - 48px), var(--content-max));
  margin: 0 auto;
}

.catalog-demo-shell {
  border: 1px solid var(--dark-line);
  background: #f7f6f0;
}

.catalog-demo-toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 220px 220px;
  border-bottom: 1px solid var(--dark-line);
}

.catalog-demo-toolbar label {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border-right: 1px solid var(--dark-line);
}

.catalog-demo-toolbar label:last-child {
  border-right: 0;
}

.catalog-demo-toolbar span,
.asset-list-status,
.asset-card span,
.asset-card small,
.asset-card em,
.detail-header span,
.metadata-grid span,
.detail-columns h4,
.lineage-box h4,
.usage-box span {
  font: 700 10px DM Mono, monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.catalog-demo-toolbar span,
.asset-card span,
.detail-header span,
.metadata-grid span,
.detail-columns h4,
.lineage-box h4,
.usage-box span {
  color: var(--lime-dark);
}

.catalog-demo-toolbar input,
.catalog-demo-toolbar select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--dark-line);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  padding: 0 12px;
  font: 600 14px Manrope, sans-serif;
}

.catalog-demo-toolbar input:focus,
.catalog-demo-toolbar select:focus {
  outline: 2px solid rgba(72, 99, 0, .22);
  border-color: var(--lime-dark);
}

.catalog-demo-layout {
  display: grid;
  grid-template-columns: minmax(300px, .85fr) minmax(0, 1.35fr);
  min-height: 720px;
}

.asset-list-panel {
  border-right: 1px solid var(--dark-line);
  background: var(--paper);
}

.asset-list-status {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 18px;
  border-bottom: 1px solid var(--dark-line);
  color: #666961;
}

.asset-list-status button {
  border: 0;
  background: transparent;
  color: var(--lime-dark);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.asset-list {
  display: grid;
}

.asset-card {
  display: grid;
  gap: 10px;
  padding: 20px 18px;
  border: 0;
  border-bottom: 1px solid var(--dark-line);
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.asset-card:hover,
.asset-card.active {
  background: var(--lime);
}

.asset-card strong {
  font-size: 24px;
  line-height: 1.05;
  letter-spacing: -.035em;
}

.asset-card small {
  color: #666961;
  text-transform: none;
}

.asset-card em,
.detail-header > strong {
  width: max-content;
  padding: 6px 8px;
  border: 1px solid var(--dark-line);
  font-style: normal;
}

.asset-card em.good,
.detail-header > strong.good {
  background: #d7ffc2;
  color: #183300;
}

.asset-card em.attention,
.detail-header > strong.attention {
  background: #fff1a8;
  color: #4f3f00;
}

.asset-card em.risk,
.detail-header > strong.risk {
  background: #ffd7d0;
  color: #5a130c;
}

.empty-list,
.empty-detail {
  margin: 0;
  padding: 24px;
  color: #666961;
}

.asset-detail {
  min-width: 0;
  padding: clamp(22px, 4vw, 38px);
}

.detail-header {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: flex-start;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--dark-line);
}

.detail-header h3 {
  margin: 12px 0 14px;
  font-size: clamp(34px, 4.8vw, 64px);
  line-height: .96;
  letter-spacing: -.055em;
}

.detail-header code {
  display: inline-block;
  padding: 5px 8px;
  background: var(--ink);
  color: var(--paper);
  font: 600 12px DM Mono, monospace;
}

.detail-header > strong {
  min-width: 84px;
  text-align: center;
  font: 800 18px Manrope, sans-serif;
}

.asset-detail > p {
  max-width: 820px;
  color: #565951;
  font-size: 17px;
}

.metadata-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--dark-line);
  border-left: 1px solid var(--dark-line);
  margin: 28px 0;
}

.metadata-grid div {
  min-height: 110px;
  padding: 16px;
  border-right: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
}

.metadata-grid strong {
  display: block;
  margin-top: 16px;
  line-height: 1.2;
}

.detail-columns,
.usage-box {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.detail-columns section,
.lineage-box,
.usage-box div {
  padding: 20px;
  border: 1px solid var(--dark-line);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-list span {
  padding: 8px 10px;
  border: 1px solid var(--dark-line);
  background: var(--lime);
  font-size: 13px;
}

.chip-list.muted span {
  background: var(--paper);
  font-family: DM Mono, monospace;
  font-size: 12px;
}

.lineage-box {
  margin: 18px 0;
}

.lineage-box ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: lineage;
}

.lineage-box li {
  position: relative;
  min-height: 110px;
  padding: 42px 14px 14px;
  border: 1px solid var(--dark-line);
  counter-increment: lineage;
}

.lineage-box li::before {
  content: counter(lineage, decimal-leading-zero);
  position: absolute;
  top: 14px;
  left: 14px;
  color: var(--lime-dark);
  font: 700 10px DM Mono, monospace;
}

.usage-box p {
  margin-bottom: 0;
  color: #565951;
}

.not-section {
  border-top: 1px solid var(--dark-line);
}

.not-section h2 {
  color: var(--lime-dark);
}

.roadmap {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--dark-line);
}

.roadmap li {
  display: grid;
  grid-template-columns: .65fr 1fr;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--dark-line);
}

.roadmap strong {
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.05;
  letter-spacing: -.04em;
}

.book-section {
  border-top: 1px solid var(--dark-line);
  align-items: stretch;
}

.book-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 320px;
  padding: 28px;
  border: 1px solid var(--dark-line);
  color: var(--ink);
  text-decoration: none;
}

.book-card:hover {
  background: var(--lime);
}

.book-card strong {
  margin-top: auto;
  max-width: 360px;
  font-size: clamp(34px, 4vw, 56px);
  line-height: .98;
  letter-spacing: -.05em;
}

.book-card small {
  margin-top: 18px;
}

.book-card i {
  position: absolute;
  top: 24px;
  right: 24px;
  color: var(--lime-dark);
  font-style: normal;
  font-size: 24px;
}

.catalog-footer {
  min-height: 96px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 24px clamp(20px, 4vw, 72px);
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: var(--muted);
}

.catalog-footer a {
  color: inherit;
  text-decoration: none;
}

.catalog-footer > a:last-child:hover {
  color: var(--lime);
}

@media (max-width: 1020px) {
  .catalog-hero,
  .intro-section,
  .section-heading,
  .not-section,
  .book-section,
  .catalog-demo-layout {
    grid-template-columns: 1fr;
  }

  .benefit-grid,
  .component-list,
  .metadata-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-demo-toolbar,
  .lineage-box ol {
    grid-template-columns: 1fr;
  }

  .catalog-demo-toolbar label,
  .asset-list-panel {
    border-right: 0;
  }

  .catalog-demo-toolbar label {
    border-bottom: 1px solid var(--dark-line);
  }

  .asset-list-panel {
    border-bottom: 1px solid var(--dark-line);
  }
}

@media (max-width: 680px) {
  .catalog-hero {
    min-height: auto;
    padding: 78px 20px 62px;
  }

  .catalog-hero h1 {
    font-size: 48px;
  }

  .button {
    width: 100%;
  }

  .intro-section,
  .why-section,
  .components-section,
  .demo-section,
  .not-section,
  .roadmap-section,
  .book-section {
    width: calc(100% - 40px);
  }

  .benefit-grid,
  .component-list,
  .metadata-grid,
  .detail-columns,
  .usage-box {
    grid-template-columns: 1fr;
  }

  .detail-header {
    display: grid;
  }

  .roadmap li {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .catalog-card-demo dl {
    grid-template-columns: 1fr;
  }

  .catalog-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}