.page-products {
  --page-deep-blue: #1F3A5F;
  --page-cream: #F5F0E6;
  --page-orange: #E85D04;
  --page-ink: #2B2B2B;
  --page-silver: #B0B7C3;
  --page-light-silver: #E5E9F0;
  --page-paper: #FDFBF7;
  --page-green: #2F9E6E;
  --page-amber: #F4A340;
  --page-info: #4A7FB5;
  background: transparent;
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding: 1.25rem 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.page-products__hero {
  position: relative;
  padding-bottom: 3.5rem;
}

.page-products__hero::after {
  content: "";
  display: block;
  height: 6px;
  margin-top: 2.5rem;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--page-deep-blue) 0%, var(--page-orange) 70%);
}

.page-products__hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-products__section-index {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--page-orange);
}

.page-products__hero-text h1 {
  margin: 0 0 1rem;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--page-deep-blue);
}

.page-products__hero-text .lead {
  max-width: 46em;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--page-ink);
}

.page-products__hero-figure {
  margin: 0;
  padding: 1rem;
  background: var(--page-paper);
  border: 1px solid var(--page-light-silver);
  border-radius: 8px;
}

.page-products__hero-figure img {
  display: block;
  width: 100%;
  border-radius: 4px;
}

.page-products__hero-figure figcaption {
  padding: 0.75rem 0.25rem 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--page-ink);
}

.page-products__index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 0.5rem;
}

.page-products__index-item {
  display: block;
  padding: 1.2rem 1.2rem 1rem;
  text-decoration: none;
  color: inherit;
  background: var(--page-paper);
  border-left: 3px solid var(--page-deep-blue);
  border-top: 1px solid var(--page-light-silver);
  border-right: 1px solid var(--page-light-silver);
  border-bottom: 1px solid var(--page-light-silver);
  border-radius: 4px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.page-products__index-item:hover,
.page-products__index-item:focus-visible {
  border-left-color: var(--page-orange);
  transform: translateX(3px);
  box-shadow: var(--shadow-sm);
  outline: none;
}

.page-products__index-item:hover .page-products__index-summary {
  color: var(--page-deep-blue);
}

.page-products__index-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-products__index-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--page-orange);
}

.page-products__index-name {
  flex: 1 1 auto;
  font-weight: 800;
  color: var(--page-deep-blue);
}

.page-products__index-summary {
  display: block;
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px dashed var(--page-silver);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--page-ink);
  transition: color 0.2s ease;
}

.page-products__hero-note {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.page-products__hero-note p {
  margin: 0;
  line-height: 1.75;
}

.page-products__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 4rem;
}

.page-products__sidebar {
  align-self: start;
  padding: 1.75rem 1.5rem;
  background: var(--page-deep-blue);
  color: var(--page-cream);
  border-radius: 8px;
}

.page-products__sidebar-nav {
  display: grid;
  gap: 0.3rem;
}

.page-products__sidebar-link {
  display: block;
  padding: 0.55rem 0.75rem;
  border-left: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 0 4px 4px 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--page-cream);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-products__sidebar-link:hover,
.page-products__sidebar-link:focus-visible {
  border-left-color: var(--page-orange);
  background-color: rgba(255, 255, 255, 0.08);
  outline: none;
}

.page-products__sidebar-extra {
  display: grid;
  gap: 0.3rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.page-products__sidebar-label {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--page-amber);
}

.page-products__sidebar-link--small {
  font-size: 0.85rem;
}

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

.page-products__section {
  margin-bottom: 2rem;
  padding: 2rem 1.75rem;
  background: var(--page-paper);
  border-top: 4px solid var(--page-deep-blue);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.page-products__section--tint {
  background: var(--page-light-silver);
  border-top-color: var(--page-orange);
}

.page-products__section-head h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--page-deep-blue);
}

.page-products__section-head p:not(.page-products__section-index) {
  max-width: 48em;
  line-height: 1.75;
  color: var(--page-ink);
}

.page-products__doc-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 1.75rem;
  padding: 1.5rem;
  background: var(--page-cream);
  border: 1px solid var(--page-light-silver);
  border-radius: 8px;
}

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

.page-products__doc-cover img {
  display: block;
  width: 100%;
  border-radius: 4px;
}

.page-products__doc-info {
  align-self: center;
}

.page-products__doc-info h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--page-ink);
}

.page-products__doc-version {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--page-orange);
}

.page-products__doc-info p:not(.page-products__doc-version) {
  margin-bottom: 1.25rem;
  line-height: 1.75;
  color: var(--page-ink);
}

.page-products__version-details {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: var(--page-cream);
  border: 1px solid var(--page-light-silver);
  border-left: 4px solid var(--page-orange);
  border-radius: 4px;
}

.page-products__version-details summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--page-deep-blue);
}

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

.page-products__version-details summary::before {
  content: "›";
  display: inline-block;
  font-size: 1.3rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

.page-products__version-details[open] summary::before {
  transform: rotate(90deg);
}

.page-products__version-details ul {
  display: grid;
  gap: 0.45rem;
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  line-height: 1.7;
  color: var(--page-ink);
}

.page-products__subsection-title {
  margin: 2rem 0 0.9rem;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--page-deep-blue);
}

.page-products__panel-figure {
  margin: 1.75rem 0 0;
  padding: 1rem;
  background: var(--page-paper);
  border: 1px solid var(--page-silver);
  border-radius: 8px;
}

.page-products__panel-figure img {
  display: block;
  width: 100%;
  border-radius: 4px;
}

.page-products__panel-figure figcaption {
  padding-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: center;
  color: var(--page-ink);
}

.page-products__panel-grid {
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-products__panel-item {
  padding: 1.25rem;
  background: var(--page-paper);
  border-left: 3px solid var(--page-deep-blue);
  border-radius: 4px;
}

.page-products__panel-item h4 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 800;
  color: var(--page-deep-blue);
}

.page-products__panel-item p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--page-ink);
}

.page-products__panel-tip {
  margin-top: 1.5rem;
}

.page-products__sync-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

.page-products__steps {
  counter-reset: bifa-step;
  display: grid;
  gap: 1.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products__steps li {
  position: relative;
  counter-increment: bifa-step;
  padding-left: 3.5rem;
  line-height: 1.7;
  color: var(--page-ink);
}

.page-products__steps li::before {
  content: counter(bifa-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 50%;
  background: var(--page-deep-blue);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.page-products__sync-note {
  margin-top: 1.5rem;
}

.page-products__sync-figure {
  align-self: start;
  margin: 0;
  padding: 1rem;
  background: var(--page-light-silver);
  border-radius: 8px;
}

.page-products__sync-figure img {
  display: block;
  width: 100%;
  border-radius: 4px;
}

.page-products__sync-figure figcaption {
  padding-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: center;
  color: var(--page-ink);
}

.page-products__section--dark {
  background: var(--page-deep-blue);
  border-top-color: var(--page-orange);
  color: var(--page-cream);
}

.page-products__section--dark .page-products__section-head h2 {
  color: #fff;
}

.page-products__section--dark .page-products__section-index {
  color: var(--page-amber);
}

.page-products__section--dark .page-products__section-head p:not(.page-products__section-index) {
  color: var(--page-light-silver);
}

.page-products__section--dark a:not(.btn) {
  color: #B9D1EA;
}

.page-products__subscribe-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

.page-products__subscribe-figure {
  margin: 0;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
}

.page-products__subscribe-figure img {
  display: block;
  width: 100%;
  border-radius: 4px;
}

.page-products__subscribe-figure figcaption {
  padding-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: center;
  color: var(--page-silver);
}

.page-products__subscribe-info {
  align-self: center;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.page-products__subscribe-info p {
  line-height: 1.75;
  color: var(--page-light-silver);
}

.page-products__copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
  padding: 0.8rem 1rem;
  background: #fff;
  border-radius: 6px;
}

.page-products__rss {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--page-deep-blue);
  word-break: break-all;
}

.page-products__subscribe-meta {
  font-size: 0.92rem;
}

@media (min-width: 768px) {
  .page-products__hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
  }

  .page-products__hero-text {
    grid-column: 1;
  }

  .page-products__hero-figure {
    grid-column: 2;
    grid-row: 1;
    align-self: center;
  }

  .page-products__index {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
  }

  .page-products__hero-note {
    grid-column: 1 / -1;
  }

  .page-products__doc-card {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
  }

  .page-products__sync-wrap {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-products__subscribe-wrap {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-products__layout {
    grid-template-columns: 250px 1fr;
    gap: 2.5rem;
  }

  .page-products__sidebar {
    position: sticky;
    top: 1.5rem;
  }

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

  .page-products__index-item:nth-child(1) {
    grid-column: span 2;
  }

  .page-products__index-item:nth-child(2) {
    grid-column: span 1;
  }

  .page-products__index-item:nth-child(3) {
    grid-column: span 1;
  }

  .page-products__index-item:nth-child(4) {
    grid-column: span 2;
  }

  .page-products__section {
    padding: 2.25rem;
  }
}