.page-products {
  --products-rail-w: 204px;
  --products-gap: 40px;
  background-color: var(--color-deep);
  color: var(--color-paper);
  scroll-behavior: smooth;
}

.page-products__intro {
  position: relative;
  padding: 24px 0 56px;
  background-color: var(--color-deep);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-products__intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 242, 233, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 242, 233, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.page-products__hero {
  position: relative;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.page-products__hero .index-code {
  margin-bottom: 10px;
  color: var(--color-orange);
}

.page-products__lead {
  max-width: 760px;
  margin-top: 20px;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-mist);
}

.page-products__lead strong {
  color: var(--color-paper);
  font-weight: 600;
}

.page-products__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 28px;
}

.page-products__metrics .metric {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-products__metrics .metric__label {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.page-products__metrics .metric__caption {
  font-size: 0.875rem;
  color: var(--color-slate);
}

.page-products__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-products__layout {
  position: relative;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 16px;
  min-width: 0;
}

.page-products__mobile-toc {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 16px 0 20px;
  border-bottom: 1px solid var(--line-muted);
  scrollbar-width: none;
}

.page-products__mobile-toc::-webkit-scrollbar {
  display: none;
}

.page-products__mobile-toc-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-mist);
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-products__mobile-toc-link:hover {
  color: var(--color-paper);
  border-color: var(--color-gold);
}

.page-products__rail {
  display: none;
}

.page-products__content {
  min-width: 0;
}

.page-products__section {
  position: relative;
  padding: 44px 0 52px;
  border-bottom: 1px solid var(--line-muted);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-products__section--catalog {
  padding-top: 40px;
}

.page-products__section--updates {
  background:
    linear-gradient(180deg, rgba(16, 26, 58, 0.6) 0%, rgba(16, 26, 58, 0.2) 100%);
}

.page-products__section--benefits {
  margin: 0 -12px;
  padding: 44px 12px 52px;
  background:
    linear-gradient(135deg, transparent 22px, var(--color-indigo) 22px) top left / 100% 56px no-repeat,
    linear-gradient(315deg, transparent 22px, var(--color-indigo) 22px) bottom right / 100% 56px no-repeat,
    var(--color-indigo);
}

.page-products__section--guide {
  padding-top: 52px;
}

.page-products__section--docs {
  background: linear-gradient(180deg, rgba(14, 76, 92, 0.5) 0%, rgba(14, 76, 92, 0.18) 100%);
}

.page-products__catalog {
  display: grid;
  gap: 4px;
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.page-products__cat-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line-muted);
  transition: background-color 0.24s var(--ease), padding-left 0.24s var(--ease);
}

.page-products__cat-row:hover {
  background-color: rgba(255, 255, 255, 0.04);
  padding-left: 10px;
}

.page-products__cat-index {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-orange);
  padding-top: 4px;
  letter-spacing: 0.08em;
}

.page-products__cat-body {
  min-width: 0;
}

.page-products__cat-title {
  margin: 0 0 8px;
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  font-weight: 600;
  color: var(--color-paper);
}

.page-products__cat-desc {
  margin: 0 0 10px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-mist);
}

.page-products__cat-link {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  color: var(--color-gold);
  font-size: 0.875rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-products__cat-link:hover {
  color: var(--color-paper);
  border-bottom-color: var(--color-gold);
}

.page-products__update-svg {
  display: block;
  width: 100%;
  max-width: 560px;
  height: 48px;
  margin: 4px 0 8px;
  color: var(--color-slate);
}

.page-products__updates-body {
  display: grid;
  gap: 28px;
  margin-top: 8px;
}

.page-products__updates-list {
  min-width: 0;
}

.page-products__update-root {
  border-bottom: 1px solid var(--line-muted);
}

.page-products__update-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.24s var(--ease), padding-left 0.24s var(--ease);
}

.page-products__update-row::-webkit-details-marker {
  display: none;
}

.page-products__update-row::marker {
  display: none;
}

.page-products__update-row:hover {
  background-color: rgba(255, 255, 255, 0.04);
  padding-left: 10px;
}

.page-products__update-version {
  min-width: 54px;
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 0.02em;
}

.page-products__update-name {
  flex: 1 1 150px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-paper);
}

.page-products__update-more {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-slate);
  letter-spacing: 0.08em;
  transition: color 0.24s var(--ease);
}

.page-products__update-root[open] .page-products__update-more {
  color: var(--color-orange);
}

.page-products__update-detail {
  padding: 2px 4px 22px;
}

.page-products__update-detail dl {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 14px;
  border-left: 1px solid rgba(229, 168, 58, 0.35);
}

.page-products__update-field {
  display: grid;
  gap: 4px;
}

.page-products__update-field dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-slate);
}

.page-products__update-field dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-mist);
}

.page-products__update-field dd a {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-products__update-field dd a:hover {
  color: var(--color-paper);
  border-bottom-color: var(--color-gold);
}

.page-products__update-figure,
.page-products__benefits-figure,
.page-products__guide-figure,
.page-products__doc-figure {
  position: relative;
  margin: 0;
}

.page-products__update-figure .image-frame,
.page-products__benefits-figure .image-frame,
.page-products__guide-figure .image-frame,
.page-products__doc-figure .image-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  background-color: var(--color-ink);
}

.page-products__update-figure .image-frame__media,
.page-products__benefits-figure .image-frame__media,
.page-products__guide-figure .image-frame__media,
.page-products__doc-figure .image-frame__media {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products__update-figure .image-frame__index,
.page-products__benefits-figure .image-frame__index,
.page-products__guide-figure .image-frame__index,
.page-products__doc-figure .image-frame__index {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  padding: 4px 8px;
  background: rgba(10, 17, 40, 0.72);
  border: 1px solid var(--line);
  color: var(--color-gold);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.page-products__figure-caption {
  margin-top: 12px;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-slate);
}

.page-products__benefits-note {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 24px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 107, 44, 0.4);
  background: rgba(255, 107, 44, 0.08);
  font-size: 0.9375rem;
  color: var(--color-mist);
}

.page-products__tier-switch {
  position: relative;
  min-width: 0;
}

.page-products__tier-radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-products__tier-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-mist);
  font-size: 0.9375rem;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-products__tier-tab + .page-products__tier-tab {
  margin-left: 8px;
}

.page-products__tier-tab:hover {
  color: var(--color-paper);
  border-color: rgba(255, 255, 255, 0.4);
}

#tier-standard:checked ~ .page-products__tier-tab[for="tier-standard"],
#tier-plus:checked ~ .page-products__tier-tab[for="tier-plus"],
#tier-premium:checked ~ .page-products__tier-tab[for="tier-premium"] {
  color: var(--color-paper);
  border-color: var(--color-gold);
  background: rgba(229, 168, 58, 0.08);
}

.page-products__tier-panel {
  display: none;
  margin-top: 24px;
  padding: 24px;
  border: 1px solid var(--line);
  animation: page-products-tier-in 0.24s var(--ease);
}

@keyframes page-products-tier-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#tier-standard:checked ~ .page-products__tier-panel--standard,
#tier-plus:checked ~ .page-products__tier-panel--plus,
#tier-premium:checked ~ .page-products__tier-panel--premium {
  display: block;
}

.page-products__tier-panel--plus {
  border-color: rgba(94, 26, 43, 0.7);
  background: rgba(94, 26, 43, 0.28);
}

.page-products__tier-panel--premium {
  border-color: rgba(229, 168, 58, 0.55);
  background: rgba(229, 168, 58, 0.06);
}

.page-products__tier-head {
  margin-bottom: 16px;
}

.page-products__tier-code {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-slate);
}

.page-products__tier-name {
  margin: 0 0 4px;
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 700;
  color: var(--color-paper);
}

.page-products__tier-desc {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-mist);
}

.page-products__tier-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-muted);
  list-style: none;
}

.page-products__tier-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-paper);
}

.page-products__tier-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 2px;
  background: var(--color-orange);
}

.page-products__benefits-figure {
  margin-top: 28px;
}

.page-products__stripe {
  position: relative;
  margin: 0 -16px;
  overflow: hidden;
}

.page-products__stripe-media {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products__guide-wrap {
  display: grid;
  gap: 32px;
  margin-top: 24px;
}

.page-products__guide-steps {
  display: grid;
  counter-reset: guide-step;
}

.page-products__guide-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line-muted);
}

.page-products__guide-step::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-products__guide-step:first-child::before {
  top: 50%;
}

.page-products__guide-step:last-child::before {
  bottom: 50%;
}

.page-products__guide-step:only-child::before {
  display: none;
}

.page-products__guide-num {
  z-index: 1;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gold);
  background: var(--color-deep);
  color: var(--color-gold);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  margin-top: 2px;
}

.page-products__guide-body {
  min-width: 0;
}

.page-products__guide-title {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-paper);
}

.page-products__guide-body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-mist);
}

.page-products__guide-link {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  margin-top: 10px;
  color: var(--color-gold);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-products__guide-link:hover {
  color: var(--color-paper);
  border-bottom-color: var(--color-gold);
}

.page-products__guide-figure {
  margin: 0;
}

.page-products__doc-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-products__doc-card {
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-products__doc-card:hover {
  border-color: var(--color-gold);
  background-color: rgba(255, 255, 255, 0.04);
}

.page-products__doc-count {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-gold);
}

.page-products__doc-title {
  margin: 0 0 8px;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-paper);
}

.page-products__doc-desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-mist);
}

.page-products__doc-lower {
  display: grid;
  gap: 24px;
  margin-top: 32px;
}

.page-products__doc-figure {
  margin: 0;
}

.page-products__doc-advice {
  padding: 22px;
}

.page-products__doc-advice-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}

.page-products__doc-advice-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-mist);
}

.page-products__doc-advice-list li::marker {
  color: var(--color-gold);
}

.page-products__rail {
  display: none;
}

@media (max-width: 640px) {
  .page-products__update-detail dl {
    padding-left: 12px;
  }

  .page-products__tier-panel {
    padding: 18px;
  }
}

@media (min-width: 760px) {
  .page-products__updates-body {
    grid-template-columns: 1fr minmax(220px, 30%);
    gap: 32px;
    align-items: start;
  }

  .page-products__update-figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

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

@media (min-width: 920px) {
  .page-products__layout {
    display: grid;
    grid-template-columns: var(--products-rail-w) 1fr;
    gap: var(--products-gap);
    padding: 0 24px;
  }

  .page-products__mobile-toc {
    display: none;
  }

  .page-products__rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
    margin-top: 36px;
    padding: 20px 16px 20px 0;
    border-right: 1px solid var(--line);
  }

  .page-products__rail-title {
    margin: 0 0 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--color-slate);
  }

  .page-products__rail-list {
    display: grid;
    gap: 2px;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .page-products__rail-item {
    position: relative;
  }

  .page-products__rail-link {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 0 10px;
    font-size: 0.875rem;
    line-height: 1.4;
    color: var(--color-mist);
    text-decoration: none;
    transition: color 0.24s var(--ease), background-color 0.24s var(--ease);
  }

  .page-products__rail-link:hover {
    color: var(--color-paper);
    background-color: rgba(255, 255, 255, 0.04);
  }

  .page-products__rail-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gold);
    letter-spacing: 0.05em;
  }

  .page-products__rail-note {
    margin: 12px 0 0;
    padding: 10px 10px 0;
    border-top: 1px solid var(--line-muted);
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--color-slate);
  }

  .page-products__guide-wrap {
    grid-template-columns: 1fr minmax(280px, 36%);
    gap: 40px;
    align-items: start;
  }

  .page-products__guide-figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products__doc-lower {
    grid-template-columns: minmax(260px, 1fr) 1.2fr;
    gap: 32px;
    align-items: center;
  }
}

@media (min-width: 1200px) {
  .page-products__section--benefits {
    margin: 0 -24px;
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products,
  .page-products * {
    scroll-behavior: auto;
  }

  .page-products__tier-panel {
    animation: none;
  }

  .page-products__update-row,
  .page-products__cat-row,
  .page-products__tier-tab,
  .page-products__doc-card {
    transition: none;
  }
}