.page-products {
  --products-gold-deep: #a8872f;
  --products-glass-strong: rgba(212, 175, 55, 0.16);
  position: relative;
  background:
    radial-gradient(circle at 85% 4%, rgba(212, 175, 55, 0.14), transparent 380px),
    radial-gradient(circle at 6% 46%, rgba(31, 58, 79, 0.7), transparent 460px),
    linear-gradient(180deg, var(--c-night) 0%, var(--c-abyss) 100%);
  color: var(--c-ivory);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-products .container {
  width: min(1440px, calc(100% - 32px));
  margin-inline: auto;
}

.page-products .chapter {
  padding-block: 64px;
  position: relative;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-serif);
  font-weight: 700;
}

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

.page-products .chapter__head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 40px;
}

.page-products .chapter__head .chapter__index {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  color: var(--c-crimson);
  padding-top: 4px;
  letter-spacing: -0.04em;
}

.page-products .chapter__head .section-label {
  color: var(--c-gold);
  font-size: var(--text-micro);
  letter-spacing: 0.16em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.page-products .chapter__head .chapter__title {
  margin: 0;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.25;
}

/* breadcrumbs */
.page-products .products-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 32px 0 4px;
  color: var(--c-moon);
  font-size: var(--text-micro);
  letter-spacing: 0.1em;
}

.page-products .products-crumbs a {
  color: var(--c-moon);
  transition: color 0.3s var(--ease);
}

.page-products .products-crumbs a:hover {
  color: var(--c-gold);
}

.page-products .products-crumbs__sep {
  color: var(--c-line);
}

/* hero */
.page-products .products-hero {
  position: relative;
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: linear-gradient(120deg, transparent 8%, rgba(212, 175, 55, 0.1));
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .hero-grid {
  display: grid;
  gap: 40px;
  padding: 36px 0 48px;
  position: relative;
}

.page-products .hero-copy {
  position: relative;
  z-index: 1;
}

.page-products .hero-copy .section-label {
  color: var(--c-gold);
  margin-bottom: 16px;
}

.page-products .hero-copy .display-title {
  font-size: clamp(36px, 7vw, 62px);
  line-height: 1.14;
  margin-bottom: 24px;
  letter-spacing: 0;
}

.page-products .hero-copy .lede {
  color: var(--c-moon);
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.page-products .hero-desc {
  color: var(--c-moon);
  font-size: var(--text-base);
  line-height: 1.9;
  max-width: 34em;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.page-products .btn--angled {
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-products .btn--angled:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(212, 175, 55, 0.22);
}

.page-products .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  max-width: 520px;
  margin-top: 36px;
}

.page-products .hero-stat {
  background: rgba(10, 17, 24, 0.85);
  padding: 14px 16px;
}

.page-products .hero-stat dt {
  font-size: var(--text-micro);
  color: var(--c-moon);
  letter-spacing: 0.1em;
}

.page-products .hero-stat dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--c-gold);
  line-height: 1;
}

.page-products .hero-media {
  position: relative;
  z-index: 1;
  max-width: 300px;
  margin: 0 auto;
  padding: 12px;
  border: 2px solid var(--c-line);
  border-radius: 24px;
  background: var(--c-glass);
  align-self: start;
}

.page-products .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
}

.page-products .hero-media figcaption {
  font-size: var(--text-note);
  color: var(--c-moon);
  text-align: center;
  padding-top: 12px;
  line-height: 1.6;
}

/* core feature layout */
.page-products .core-layout {
  display: grid;
  gap: 32px;
}

.page-products .version-aside {
  display: grid;
  gap: 20px;
  align-self: start;
}

.page-products .version-card {
  position: relative;
  border: 1px solid var(--c-line);
  background: linear-gradient(160deg, var(--c-blue-deep) 0%, var(--c-midnight) 100%);
  padding: 28px;
  overflow: hidden;
}

.page-products .version-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: rgba(212, 175, 55, 0.08);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.page-products .version-card__label {
  font-size: var(--text-micro);
  color: var(--c-moon);
  letter-spacing: 0.12em;
}

.page-products .version-card__num {
  font-family: var(--font-mono);
  font-size: clamp(56px, 11vw, 88px);
  line-height: 1;
  color: var(--c-gold);
  margin: 12px 0 10px;
  letter-spacing: -0.06em;
}

.page-products .version-card__scan {
  position: relative;
  height: 2px;
  background: var(--c-line);
  margin-bottom: 20px;
  overflow: hidden;
}

.page-products .version-card__scan::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
  animation: products-scan 4.2s ease-in-out infinite 0.4s;
}

@keyframes products-scan {
  0% { transform: translateX(-130%); }
  55% { transform: translateX(130%); }
  100% { transform: translateX(130%); }
}

.page-products .version-card__specs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: var(--text-note);
  color: var(--c-moon);
}

.page-products .version-card__specs li {
  padding-left: 14px;
  position: relative;
}

.page-products .version-card__specs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--c-gold);
  transform: rotate(45deg);
}

.page-products .version-aside__note {
  font-size: var(--text-note);
  color: var(--c-moon);
  line-height: 1.8;
  border-left: 2px solid var(--c-crimson);
  padding-left: 16px;
}

.page-products .core-main {
  min-width: 0;
}

.page-products .core-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.page-products .core-tab {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid var(--c-line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--c-moon);
  font-size: var(--text-note);
  border-radius: var(--radius);
  transition: all 0.3s var(--ease);
}

.page-products .core-tab:hover {
  color: var(--c-gold);
  border-color: var(--c-gold);
  transform: translateY(-2px);
}

.page-products .core-tab:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}

.page-products .core-panels {
  display: grid;
  gap: 20px;
}

.page-products .core-panel {
  border-left: 2px solid var(--c-line);
  margin: 0;
  padding: 26px 28px;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-products .core-panel:target {
  border-left-color: var(--c-gold);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.12), rgba(255, 255, 255, 0.03));
}

.page-products .core-panel h3 {
  margin: 0 0 12px;
  font-size: 22px;
  color: var(--c-ivory);
}

.page-products .core-panel p {
  color: var(--c-moon);
  line-height: 1.85;
  font-size: var(--text-base);
  margin-bottom: 12px;
}

.page-products .core-panel ul {
  margin: 0 0 14px;
  padding-left: 18px;
  color: var(--c-moon);
  font-size: var(--text-note);
  line-height: 1.9;
}

.page-products .core-panel__meta {
  margin: 0;
  font-size: var(--text-note);
}

.page-products .core-panel__meta a {
  color: var(--c-gold);
  border-bottom: 1px solid rgba(212, 175, 55, 0.4);
  transition: border-color 0.3s var(--ease);
}

.page-products .core-panel__meta a:hover {
  border-color: var(--c-gold);
}

/* timeline */
.page-products .timeline-section {
  background: linear-gradient(180deg, rgba(10, 17, 24, 0.6), rgba(11, 31, 51, 0.3));
}

.page-products .timeline {
  position: relative;
  display: grid;
  gap: 28px;
  padding-left: 0;
  list-style: none;
  margin-bottom: 40px;
}

.page-products .timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 20px;
  padding-bottom: 28px;
}

.page-products .timeline-item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 40px;
  top: 28px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--c-gold), var(--c-line));
}

.page-products .timeline-item__marker {
  text-align: right;
}

.page-products .timeline-item__dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--c-gold);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(212, 175, 55, 0.18);
  margin-top: 8px;
}

.page-products .timeline-item__body {
  color: var(--c-moon);
  line-height: 1.85;
  font-size: var(--text-base);
}

.page-products .timeline-item__body h3 {
  color: var(--c-ivory);
  font-size: 22px;
  margin: 0 0 10px;
}

.page-products .timeline-item__body p {
  margin: 0;
}

.page-products .version-flow,
.page-products .rules-media,
.page-products .download-media,
.page-products .dual-media {
  margin-top: 24px;
  border: 1px solid var(--c-line);
  background: var(--c-glass);
  padding: 12px;
  border-radius: var(--radius);
}

.page-products .version-flow img,
.page-products .rules-media img,
.page-products .download-media img,
.page-products .dual-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .version-flow figcaption,
.page-products .rules-media figcaption,
.page-products .download-media figcaption,
.page-products .dual-media figcaption {
  padding-top: 10px;
  font-size: var(--text-note);
  color: var(--c-moon);
  text-align: center;
  line-height: 1.6;
}

/* rules */
.page-products .rules-grid {
  display: grid;
  gap: 24px;
  margin-bottom: 32px;
}

.page-products .rules-intro {
  padding: 28px;
  border: 1px solid var(--c-line);
  line-height: 1.85;
}

.page-products .rules-intro h3 {
  margin: 0 0 12px;
  font-size: 24px;
}

.page-products .rules-intro p {
  color: var(--c-moon);
  font-size: var(--text-base);
  margin-bottom: 14px;
}

.page-products .rules-brief {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .brief-metric {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--c-line);
  padding: 18px 20px;
  border-radius: var(--radius);
}

.page-products .brief-metric__num {
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  color: var(--c-gold);
  letter-spacing: -0.04em;
}

.page-products .brief-metric__label {
  color: var(--c-moon);
  font-size: var(--text-note);
  letter-spacing: 0.06em;
}

.page-products .table-block {
  overflow-x: auto;
  border: 1px solid var(--c-line);
  background: var(--c-midnight);
  border-radius: var(--radius);
}

.page-products .diff-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

.page-products .diff-table th,
.page-products .diff-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--c-line);
  font-size: var(--text-note);
  line-height: 1.7;
}

.page-products .diff-table caption {
  caption-side: top;
  text-align: left;
  padding: 14px 18px;
  font-size: var(--text-micro);
  color: var(--c-moon);
  letter-spacing: 0.08em;
}

.page-products .diff-table thead th {
  background: var(--c-crimson);
  color: var(--c-ivory);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--text-base);
}

.page-products .diff-table tbody th {
  color: var(--c-gold);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .diff-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.03);
}

.page-products .diff-table tbody tr:hover {
  background: var(--c-gold-soft);
  transition: background 0.25s ease;
}

.page-products .diff-table tbody tr:last-child th,
.page-products .diff-table tbody tr:last-child td {
  border-bottom: 0;
}

/* download */
.page-products .download-grid {
  display: grid;
  gap: 20px;
  margin-bottom: 28px;
}

.page-products .download-card {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--c-line);
  padding: 24px;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .download-card::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-gold), transparent 72%);
}

.page-products .download-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--c-ivory);
}

.page-products .download-card p {
  margin: 0;
  color: var(--c-moon);
  font-size: var(--text-note);
  line-height: 1.8;
}

.page-products .download-note {
  border-left: 2px solid var(--c-gold);
  background: rgba(212, 175, 55, 0.06);
  padding: 20px 24px;
  margin-bottom: 28px;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-products .download-note p {
  margin: 0 0 8px;
  color: var(--c-moon);
  font-size: var(--text-base);
  line-height: 1.85;
}

.page-products .download-note p:last-child {
  margin-bottom: 0;
}

.page-products .download-note a {
  border-bottom: 1px solid rgba(212, 175, 55, 0.4);
}

/* dual */
.page-products .dual-section .lede {
  color: var(--c-moon);
  margin-bottom: 32px;
  font-size: var(--text-base);
  line-height: 1.85;
}

.page-products .dual-compare {
  overflow-x: auto;
  border: 1px solid var(--c-line);
  background: var(--c-midnight);
  border-radius: var(--radius);
}

.page-products .dual-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

.page-products .dual-table th,
.page-products .dual-table td {
  padding: 15px 18px;
  text-align: left;
  border-bottom: 1px solid var(--c-line);
  font-size: var(--text-note);
  line-height: 1.7;
}

.page-products .dual-table thead th {
  background: var(--c-crimson);
  color: var(--c-ivory);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--text-base);
}

.page-products .dual-table tbody th {
  color: var(--c-gold);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .dual-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.03);
}

.page-products .dual-table tbody tr:hover {
  background: var(--c-gold-soft);
  transition: background 0.25s ease;
}

.page-products .dual-table tbody tr:last-child th,
.page-products .dual-table tbody tr:last-child td {
  border-bottom: 0;
}

/* closing */
.page-products .closing-block {
  padding-block: 72px 96px;
}

.page-products .closing-inner {
  position: relative;
  border: 1px solid var(--c-line);
  background: radial-gradient(circle at 14% 12%, rgba(212, 175, 55, 0.14), transparent 280px), var(--c-blue-deep);
  padding: 48px 28px;
  text-align: center;
}

.page-products .closing-inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
}

.page-products .closing-inner .section-label {
  color: var(--c-gold);
  margin-bottom: 12px;
}

.page-products .closing-inner h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.3;
}

.page-products .closing-inner > p:not(.section-label):not(.note) {
  color: var(--c-moon);
  font-size: var(--text-base);
  line-height: 1.9;
  max-width: 44em;
  margin: 0 auto 24px;
}

.page-products .closing-inner .note {
  color: var(--c-moon);
  font-size: var(--text-note);
  line-height: 1.9;
  margin-top: 28px;
}

.page-products .closing-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

@media (min-width: 768px) {
  .page-products .container {
    width: min(1440px, calc(100% - 48px));
  }

  .page-products .chapter {
    padding-block: 88px;
  }

  .page-products .hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 48px;
    padding: 48px 0 72px;
  }

  .page-products .hero-media {
    max-width: 320px;
  }

  .page-products .core-layout {
    grid-template-columns: 340px 1fr;
    gap: 40px;
  }

  .page-products .version-aside {
    position: sticky;
    top: calc(var(--header-h) + var(--announce-h) + 24px);
  }

  .page-products .core-panels {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .page-products .rules-grid {
    grid-template-columns: 5fr 7fr;
  }

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

@media (min-width: 1200px) {
  .page-products .chapter {
    padding-block: 112px;
  }

  .page-products .hero-copy .display-title {
    font-size: 64px;
  }

  .page-products .hero-media {
    max-width: 360px;
    margin-right: 6%;
  }

  .page-products .version-card__num {
    font-size: 96px;
  }

  .page-products .timeline {
    gap: 34px;
  }

  .page-products .core-panels {
    gap: 20px;
  }
}