.page-products {
  --rail-width: 240px;
  background: var(--warm-paper);
  color: var(--ink-navy);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-warm);
}

.page-products__crumb {
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px var(--gutter) 0;
  font-size: 0.86rem;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-products__crumb a {
  color: var(--signal-orange);
  text-decoration: none;
  font-weight: 500;
}

.page-products__crumb a:hover {
  text-decoration: underline;
}

.page-products__crumb-sep {
  color: var(--line-warm);
}

.page-products__hero {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px var(--gutter) var(--space-section);
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  position: relative;
}

.page-products__hero::after {
  content: "";
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: 24px;
  height: 4px;
  background: linear-gradient(90deg, var(--signal-orange) 0 33%, var(--teal) 33% 66%, var(--violet) 66% 100%);
}

.page-products__hero-label {
  margin-bottom: 12px;
}

.page-products__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.page-products__lead {
  border-left: 3px solid var(--signal-orange);
  padding-left: 18px;
  margin: 0 0 16px;
  max-width: 640px;
  font-size: 1.06rem;
  line-height: 1.8;
  color: var(--ink-navy);
}

.page-products__hero-note {
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 560px;
  margin: 0;
}

.page-products__hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  border: 1px solid var(--line-warm);
  border-left: 4px solid var(--signal-orange);
  background: var(--warm-paper-deep);
  padding: 16px;
  align-self: end;
}

.page-products__stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products__stat-num {
  font-size: 1.4rem;
  line-height: 1;
  color: var(--signal-orange);
}

.page-products__stat-label {
  font-size: 0.76rem;
  color: var(--ink-muted);
}

.page-products__layout {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter) var(--space-section);
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: 28px;
}

.page-products__rail {
  border-top: 2px solid var(--ink-navy);
  border-bottom: 1px solid var(--line-warm);
  padding: 12px 0 8px;
}

.page-products__rail-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin: 0 0 10px;
}

.page-products__rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products__rail-list li {
  flex: 0 0 auto;
}

.page-products__rail-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  text-decoration: none;
  color: var(--ink-navy);
  font-size: 0.88rem;
  padding: 7px 10px;
  border: 1px solid transparent;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.page-products__rail-link:hover {
  border-color: var(--signal-orange);
  color: var(--signal-orange);
}

.page-products__rail-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--signal-orange);
}

.page-products__section {
  scroll-margin-top: 24px;
  border-bottom: 1px solid var(--line-warm);
  padding-bottom: 40px;
  margin-bottom: 40px;
}

.page-products__section:last-of-type {
  border-bottom: none;
}

.page-products__section-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--ink-navy);
  padding-bottom: 14px;
}

.page-products__section-index {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.86rem;
  line-height: 1.4;
  color: var(--ink-navy);
  background: var(--signal-orange);
  padding: 6px 12px 6px 10px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  flex: 0 0 auto;
}

.page-products__section h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.4vw, 1.85rem);
  line-height: 1.2;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.page-products__section-sub {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.page-products__mod-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products__card {
  background: var(--warm-paper-deep);
  border: 1px solid var(--line-warm);
  padding: 20px;
  position: relative;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-products__card:hover {
  border-color: var(--signal-orange);
  transform: translateY(-2px);
}

.page-products__card-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--warm-paper);
  background: var(--navy);
  padding: 4px 12px 4px 10px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  margin-bottom: 14px;
}

.page-products__card h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  margin: 0 0 8px;
}

.page-products__card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-muted);
  margin: 0;
}

.page-products__card-details {
  margin-top: 14px;
  border-top: 1px solid var(--line-warm);
  padding-top: 12px;
}

.page-products__card-details summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--signal-orange);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-products__card-details summary::-webkit-details-marker {
  display: none;
}

.page-products__card-details summary::before {
  content: "+";
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
}

.page-products__card-details[open] summary::before {
  content: "–";
}

.page-products__card-spec {
  margin: 12px 0 0;
}

.page-products__card-spec div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line-warm);
}

.page-products__card-spec dt {
  color: var(--ink-muted);
  font-size: 0.8rem;
}

.page-products__card-spec dd {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-navy);
}

.page-products__shoot-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.page-products__shoot-fig {
  margin: 0;
  max-width: 320px;
  width: 100%;
  justify-self: center;
  border: 1px solid var(--line-warm);
  padding: 8px;
  background: var(--warm-paper-deep);
}

.page-products__shoot-fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
}

.page-products__shoot-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-products__spec {
  border: 1px solid var(--line-warm);
  background: var(--warm-paper-deep);
}

.page-products__spec-title {
  margin: 0;
  padding: 10px 16px;
  background: var(--navy);
  color: var(--warm-paper);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.page-products__spec-list {
  margin: 0;
  padding: 6px 16px 12px;
}

.page-products__spec-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line-warm);
}

.page-products__spec-row:last-child {
  border-bottom: 0;
}

.page-products__spec-row dt {
  color: var(--ink-navy);
  font-size: 0.92rem;
}

.page-products__spec-row dd {
  margin: 0;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  text-align: right;
}

.page-products__bullet-list {
  margin: 0;
  padding: 14px 16px 16px;
  list-style: none;
}

.page-products__bullet-list li {
  padding-left: 16px;
  position: relative;
  color: var(--ink-navy);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-products__bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--signal-orange);
}

.page-products__version-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products__chart-panel {
  background: var(--navy);
  padding: 20px;
}

.page-products__chart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-products__chart-head h4 {
  margin: 0;
  color: var(--warm-paper);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.page-products__chart-panel .tag--outline {
  border-color: rgba(245, 241, 232, 0.5);
  color: var(--warm-paper);
}

.page-products__chart {
  display: block;
  width: 100%;
  height: auto;
}

.page-products__chart text {
  font-family: var(--font-body);
}

.page-products__index-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products__tree {
  border: 2px solid var(--ink-navy);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--warm-paper-deep);
}

.page-products__tree-node {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line-warm);
  background: var(--warm-paper);
  padding: 14px 16px;
}

.page-products__tree-node--l1 {
  border-left: 5px solid var(--signal-orange);
}

.page-products__tree-node--l2 {
  border-left: 5px solid var(--teal);
}

.page-products__tree-node--l3 {
  border-left: 5px solid var(--violet);
}

.page-products__tree-label {
  font-weight: 700;
}

.page-products__tree-sub {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.page-products__tree-arrow {
  align-self: flex-start;
  margin-left: 24px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
}

.page-products__index-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products__filter-card,
.page-products__process-card {
  border: 1px solid var(--line-warm);
  background: var(--warm-paper-deep);
  padding: 16px;
}

.page-products__filter-card h3 {
  font-size: 1rem;
  margin: 0 0 10px;
}

.page-products__filter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products__filter-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.86rem;
}

.page-products__process-card p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 0;
}

.page-products__process-meta {
  color: var(--ink-muted);
  font-size: 0.78rem;
  margin-top: 8px;
}

.page-products__index-fig {
  margin: 24px 0 0;
}

.page-products figcaption {
  color: var(--ink-muted);
  font-size: 0.82rem;
  margin-top: 8px;
  line-height: 1.6;
}

.page-products__adapt-overview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products__adapt-fig {
  margin: 0;
}

.page-products__adapt-list-wrap {
  border: 1px solid var(--line-warm);
  background: var(--warm-paper-deep);
  padding: 18px;
}

.page-products__adapt-list-wrap h3 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.page-products__env-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.page-products__env-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--warm-paper);
  border: 1px solid var(--line-warm);
  font-size: 0.88rem;
}

.page-products__env-list li::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--teal);
  color: var(--ink-navy);
  font-size: 0.8rem;
}

.page-products__path-card {
  margin-top: 24px;
  border: 2px solid var(--ink-navy);
  background: var(--warm-paper-deep);
  padding: 18px;
}

.page-products__path-card h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.page-products__click-path {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 16px 0;
}

.page-products__click-step {
  background: var(--navy);
  color: var(--warm-paper);
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
}

.page-products__click-step--active {
  background: var(--signal-orange);
  color: var(--ink-navy);
  font-weight: 700;
}

.page-products__click-arrow {
  color: var(--signal-orange);
  font-family: var(--font-mono);
  font-weight: 700;
}

.page-products__path-card p {
  color: var(--ink-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 0;
}

.page-products__adapt-chart {
  margin: 24px 0 0;
}

.page-products__adapt-chart img {
  width: 100%;
  height: auto;
}

.page-products__update-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products__update-main h3 {
  font-size: 1rem;
  margin: 24px 0 12px;
}

.page-products__update-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  border: 1px solid var(--line-warm);
  background: var(--warm-paper-deep);
  padding: 14px;
}

.page-products__update-row p {
  width: 100%;
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-navy);
}

.page-products__timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--line-warm);
}

.page-products__timeline li {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0 10px 18px;
}

.page-products__timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 18px;
  width: 10px;
  height: 10px;
  background: var(--signal-orange);
  border: 2px solid var(--warm-paper);
}

.page-products__timeline-year {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--signal-orange);
  font-size: 0.84rem;
}

.page-products__timeline p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-navy);
}

.page-products__update-note {
  margin-top: 24px;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.page-products__update-note a {
  color: var(--signal-orange);
  text-decoration: none;
  font-weight: 500;
}

.page-products__update-note a:hover {
  text-decoration: underline;
}

.page-products__update-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products__weekend-fig {
  margin: 0;
}

.page-products__record-card,
.page-products__team-card,
.page-products__award-card {
  border: 1px solid var(--line-warm);
  background: var(--warm-paper-deep);
  padding: 16px;
}

.page-products__record-card h3,
.page-products__team-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.page-products__record-card p,
.page-products__team-card p,
.page-products__award-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-navy);
}

.page-products__award-card {
  position: relative;
  border-left: 4px solid var(--violet);
}

.page-products__final {
  background: var(--navy);
  color: var(--warm-paper);
  padding: 48px var(--gutter);
}

.page-products__final-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.page-products__final h2 {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  margin: 0;
  font-weight: 800;
}

.page-products__final p {
  color: rgba(245, 241, 232, 0.85);
  margin: 0;
  max-width: 640px;
  line-height: 1.8;
  font-size: 0.94rem;
}

.page-products__final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.page-products__final .btn--ghost {
  background: transparent;
  border: 1px solid var(--warm-paper);
  color: var(--warm-paper);
}

@media (min-width: 720px) {
  .page-products__hero {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: end;
  }

  .page-products__mod-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products__shoot-layout {
    grid-template-columns: 280px 1fr;
    align-items: start;
  }

  .page-products__shoot-fig {
    max-width: 280px;
    justify-self: start;
  }

  .page-products__env-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__update-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products__hero-stats {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .page-products__stat-num {
    font-size: 2rem;
  }

  .page-products__layout {
    grid-template-columns: var(--rail-width) minmax(0, 1fr);
    gap: calc(var(--gutter) * 1.2);
  }

  .page-products__rail {
    position: sticky;
    top: 24px;
    border-top: 0;
    border-bottom: 0;
    border-left: 2px solid var(--line-warm);
    padding: 4px 0 4px 18px;
    overflow-x: visible;
  }

  .page-products__rail-list {
    flex-direction: column;
    gap: 2px;
    overflow-x: visible;
  }

  .page-products__rail-link {
    white-space: normal;
    border-left: 2px solid transparent;
    margin-left: -20px;
    padding: 8px 12px;
  }

  .page-products__rail-link:hover {
    border-left-color: var(--signal-orange);
    background: var(--warm-paper-deep);
  }

  .page-products__index-layout {
    grid-template-columns: 1fr 0.9fr;
    align-items: start;
  }

  .page-products__adapt-overview {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .page-products__shoot-layout {
    grid-template-columns: 240px 1fr;
  }

  .page-products__shoot-fig {
    max-width: 240px;
  }

  .page-products__final {
    padding: 64px var(--gutter);
  }
}