.page-products {
  --rail-w: 15rem;
  --grid-line: rgba(74, 102, 124, 0.18);
  --panel-line: rgba(74, 102, 124, 0.5);
  background-color: var(--ink);
  color: var(--mist);
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3,
.page-products p,
.page-products li {
  overflow-wrap: break-word;
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- breadcrumbs ---------- */
.page-products .breadcrumbs {
  padding-block: 1.1rem 0;
}

.page-products .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist-dim);
}

.page-products .breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--slate);
}

.page-products .breadcrumbs a {
  color: var(--cyan);
  text-decoration: none;
}

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

/* ---------- hero ---------- */
.page-products .catalog-hero {
  position: relative;
  padding-block: clamp(1.75rem, 4vw, 3rem) clamp(2.25rem, 5vw, 3.75rem);
  border-bottom: 1px solid var(--hair-soft);
}

.page-products .catalog-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(120% 85% at 16% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 85% at 16% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-products .catalog-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-products .catalog-hero__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.95rem, 6.2vw, 3.75rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-products .catalog-hero__text {
  margin: 1.1rem 0 0;
  max-width: 34rem;
  font-size: clamp(0.95rem, 2.4vw, 1.0625rem);
  line-height: 1.85;
  color: var(--mist-soft);
}

.page-products .catalog-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-products .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  background-color: var(--hair-soft);
  border: 1px solid var(--hair-soft);
}

.page-products .hero-stat {
  background-color: var(--ink);
  padding: 0.95rem 1.05rem;
}

.page-products .hero-stat dt {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-products .hero-stat dd {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--mist);
}

.page-products .hero-stat dd .mono {
  font-size: clamp(1.35rem, 4vw, 1.85rem);
  font-weight: 700;
  color: var(--cyan);
  margin-right: 0.15rem;
}

/* ---------- shared section titles ---------- */
.page-products .section-title {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.6vw, 2.25rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-products .lead {
  margin: 0.9rem 0 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist-soft);
}

/* ---------- filter rail + model grid ---------- */
.page-products .catalog-split {
  border-top: 1px solid var(--hair-soft);
}

.page-products .catalog-split__grid {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-products .catalog-split__rail {
  position: relative;
  padding: 1.25rem 1.1rem 1.5rem;
  border: 1px solid var(--panel-line);
  background: linear-gradient(180deg, var(--ink-2), rgba(16, 43, 64, 0.32));
}

.page-products .catalog-split__rail::before {
  content: "";
  position: absolute;
  left: -1px;
  right: -1px;
  top: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(57, 209, 223, 0));
}

.page-products .rail-head {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-products .rail-note {
  margin: 0.55rem 0 1.15rem;
  font-size: 0.79rem;
  line-height: 1.7;
  color: var(--mist-dim);
}

.page-products .rail-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.page-products .rail-item {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 0.6rem 0.65rem;
  border-left: 2px solid transparent;
  background-color: rgba(8, 24, 38, 0.55);
}

.page-products .rail-item.is-active {
  border-left-color: var(--orange);
  background-color: rgba(241, 120, 60, 0.1);
}

.page-products .rail-item__num {
  font-size: 0.72rem;
  line-height: 1.65;
  color: var(--cyan);
}

.page-products .rail-item__body {
  display: block;
}

.page-products .rail-item__name {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--mist);
}

.page-products .rail-item__hint {
  display: block;
  margin-top: 0.12rem;
  font-size: 0.73rem;
  line-height: 1.55;
  color: var(--mist-faint);
}

.page-products .rail-link {
  display: inline-block;
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.03em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--hair);
  padding-bottom: 1px;
}

.page-products .rail-link:hover {
  border-bottom-color: var(--cyan);
}

.page-products .model-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--hair-soft);
  background-color: var(--hair-soft);
}

.page-products .model-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.1rem 1.15rem 1.2rem;
  background-color: rgba(8, 24, 38, 0.92);
  transition: background-color 200ms ease;
}

.page-products .model-card:hover {
  background-color: var(--ink-2);
}

.page-products .model-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.page-products .model-card__code {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-products .model-card__title {
  margin: 0.15rem 0 0;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--cream);
}

.page-products .model-card__text {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--mist-dim);
}

.page-products .model-card__link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 1px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 209, 223, 0.4);
}

.page-products .model-card__link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- record ---------- */
.page-products .record-section {
  border-top: 1px solid var(--hair-soft);
}

.page-products .record-grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: center;
}

.page-products .record-list {
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.page-products .record-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.87rem;
  line-height: 1.78;
  color: var(--mist-soft);
}

.page-products .record-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 0.62rem;
  height: 1px;
  background-color: var(--cyan);
}

.page-products .record-list .mono {
  color: var(--orange);
  font-weight: 700;
}

/* ---------- export flow ---------- */
.page-products .export-section {
  border-top: 1px solid var(--hair-soft);
  background: linear-gradient(180deg, rgba(16, 43, 64, 0.55), rgba(8, 24, 38, 0.92));
}

.page-products .export-head {
  max-width: 44rem;
}

.page-products .export-head__text {
  margin: 0.9rem 0 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist-soft);
}

.page-products .export-grid {
  margin-top: clamp(1.6rem, 4vw, 2.5rem);
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
  align-items: start;
}

.page-products .export-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.page-products .export-step {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.85rem 0.9rem 0.9rem;
  border: 1px solid var(--hair-soft);
  background-color: rgba(8, 24, 38, 0.7);
}

.page-products .export-step__num {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--slate);
}

.page-products .export-step--key {
  border-left-width: 3px;
  border-color: rgba(241, 120, 60, 0.6);
  border-left-color: var(--orange);
  background: linear-gradient(100deg, rgba(241, 120, 60, 0.14), rgba(8, 24, 38, 0.84) 62%);
}

.page-products .export-step--key .export-step__num {
  color: var(--orange);
}

.page-products .export-step__body {
  min-width: 0;
}

.page-products .export-step__title {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--cream);
}

.page-products .export-step__text {
  margin: 0.3rem 0 0;
  font-size: 0.82rem;
  line-height: 1.72;
  color: var(--mist-dim);
}

.page-products .badge-key {
  font-family: var(--font-mono);
  font-size: 0.61rem;
  letter-spacing: 0.1em;
  padding: 0.12rem 0.4rem;
  color: var(--ink);
  background-color: var(--orange);
}

/* ---------- version ---------- */
.page-products .version-section {
  border-top: 1px solid var(--hair-soft);
}

.page-products .version-body {
  margin-top: clamp(1.6rem, 4vw, 2.5rem);
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.5rem);
  align-items: start;
}

.page-products .version-tabs {
  padding: 1rem 1rem 1.25rem;
  border: 1px solid var(--panel-line);
  background-color: rgba(16, 43, 64, 0.4);
}

.page-products .version-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.05rem;
}

.page-products .version-tabs .tabs__tab {
  appearance: none;
  border: 1px solid var(--hair-soft);
  background-color: transparent;
  color: var(--mist-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 0.5rem 0.85rem;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.page-products .version-tabs .tabs__tab:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-products .version-tabs .tabs__tab[aria-selected="true"] {
  color: var(--ink);
  background-color: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-products .version-tabs .tabs__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .version-tabs .tabs__panel[hidden],
.page-products .version-tabs .tabs__panel[data-inactive] {
  display: none;
}

.page-products .version-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
  padding: 0.32rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.69rem;
  letter-spacing: 0.08em;
}

.page-products .version-status--current {
  color: var(--ink);
  background-color: var(--mint);
}

.page-products .version-status--legacy {
  color: var(--brown);
  background-color: var(--amber);
}

.page-products .version-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.page-products .version-list li {
  display: grid;
  grid-template-columns: 3.1rem minmax(0, 1fr);
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--hair-soft);
}

.page-products .version-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .version-list__code {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .version-list strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cream);
}

.page-products .version-list p {
  margin: 0.2rem 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--mist-dim);
}

.page-products .version-figure .media-frame {
  margin: 0;
}

/* ---------- scenes ---------- */
.page-products .scene-section {
  border-top: 1px solid var(--hair-soft);
}

.page-products .scene-grid {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--hair-soft);
  background-color: var(--hair-soft);
}

.page-products .scene-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.25rem 1.2rem 1.4rem;
  background-color: rgba(8, 24, 38, 0.94);
}

.page-products .scene-card > .tag {
  align-self: flex-start;
}

.page-products .scene-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--cream);
}

.page-products .scene-card__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.78;
  color: var(--mist-dim);
}

.page-products .scene-card__list {
  margin: 0.2rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.page-products .scene-card__list li {
  position: relative;
  padding-left: 0.9rem;
  font-size: 0.79rem;
  line-height: 1.62;
  color: var(--mist-faint);
}

.page-products .scene-card__list li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--cyan);
}

.page-products .scene-card__figure {
  margin: 0.5rem 0 0;
}

/* ---------- closing cta ---------- */
.page-products .catalog-cta {
  border-top: 1px solid var(--hair-soft);
  background: linear-gradient(160deg, rgba(16, 43, 64, 0.75), var(--ink) 66%);
}

.page-products .catalog-cta__inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.page-products .catalog-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.page-products .catalog-cta__aside {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.page-products .cta-card {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.15rem 0.7rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--hair-soft);
  background-color: rgba(8, 24, 38, 0.6);
  text-decoration: none;
  transition: border-color 200ms ease, background-color 200ms ease;
}

.page-products .cta-card:hover,
.page-products .cta-card:focus-visible {
  border-color: var(--cyan);
  background-color: rgba(57, 209, 223, 0.08);
}

.page-products .cta-card__index {
  grid-row: span 2;
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--orange);
}

.page-products .cta-card strong {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cream);
}

.page-products .cta-card span:last-child {
  font-size: 0.77rem;
  line-height: 1.6;
  color: var(--mist-faint);
}

/* ---------- responsive ---------- */
@media (min-width: 48rem) {
  .page-products .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .scene-card__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 60rem) {
  .page-products .catalog-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .page-products .catalog-split__grid {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .catalog-split__rail {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }

  .page-products .model-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .record-grid {
    grid-template-columns: 0.95fr 1.05fr;
  }

  .page-products .export-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .page-products .version-body {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-products .scene-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-products .scene-card--a {
    grid-column: span 5;
  }

  .page-products .scene-card--b {
    grid-column: span 7;
  }

  .page-products .scene-card--c {
    grid-column: span 12;
  }

  .page-products .scene-card--c .scene-card__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .catalog-cta__inner {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .model-card,
  .page-products .version-tabs .tabs__tab,
  .page-products .cta-card {
    transition: none;
  }
}