.page-products {
  --page-card-tint: rgba(255, 255, 255, 0.05);
  --page-line: rgba(255, 255, 255, 0.12);
  --page-gold-line: rgba(212, 175, 55, 0.45);
  --page-text-soft: rgba(255, 255, 255, 0.78);
  --page-text-mute: rgba(255, 255, 255, 0.58);
  background:
    radial-gradient(circle at 90% 10%, rgba(0, 166, 251, 0.12), transparent 32%),
    radial-gradient(circle at 10% 70%, rgba(123, 44, 191, 0.15), transparent 35%),
    var(--color-primary-deep);
  color: var(--color-text-light);
  min-height: 100vh;
  overflow: hidden;
}

.page-products .container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.page-products__breadcrumb {
  padding-top: 1.5rem;
}

.page-products__breadcrumb .breadcrumb__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.page-products__breadcrumb .breadcrumb__item {
  position: relative;
  font-size: 0.9rem;
}

.page-products__breadcrumb .breadcrumb__item:not(:last-child)::after {
  content: "/";
  position: absolute;
  right: -1rem;
  top: 0;
  color: rgba(255, 255, 255, 0.4);
}

.page-products__breadcrumb .breadcrumb__link {
  color: var(--page-text-mute);
  text-decoration: none;
}

.page-products__breadcrumb .breadcrumb__link:hover {
  color: var(--color-secondary-gold);
}

.page-products__breadcrumb .breadcrumb__item [aria-current="page"] {
  color: var(--color-secondary-gold);
}

.page-products__hero {
  position: relative;
  padding: 2.5rem 0 3rem;
}

.page-products__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 62%, rgba(212, 175, 55, 0.22) 62.5%, transparent 63.5%);
}

.page-products__hero-grid {
  position: relative;
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-products__hero-copy {
  max-width: 720px;
}

.page-products__hero-copy h1 {
  font-family: var(--font-headline);
  font-size: var(--h1-size);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0.75rem 0 1rem;
}

.page-products__hero-copy h1 span {
  display: block;
  color: var(--color-secondary-gold);
  font-size: 0.48em;
  line-height: 1.15;
  margin-top: 0.18em;
}

.page-products__lead {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--page-text-soft);
  max-width: 640px;
}

.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.page-products__hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--page-gold-line);
  border: 1px solid var(--page-gold-line);
}

.page-products__hero-stat {
  padding: 1.25rem 1rem;
  background: rgba(10, 30, 63, 0.9);
}

.page-products__stat-label {
  display: block;
  color: var(--page-text-mute);
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
}

.page-products__hero-stat .data-point {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-secondary-gold);
  margin-bottom: 0.35rem;
}

.page-products__stat-note {
  color: var(--page-text-mute);
  font-size: 0.8rem;
}

.page-products__feature,
.page-products__channels {
  padding: 3.5rem 0;
}

.page-products__guide {
  padding: 3.5rem 0;
  background: rgba(255, 255, 255, 0.03);
  border-block: 1px solid var(--page-line);
}

.page-products__section-header,
.page-products__guide-copy,
.page-products__version-copy,
.page-products__channel-header {
  margin-bottom: 2rem;
}

.page-products__section-header h2,
.page-products__guide-copy h2,
.page-products__version-copy h2,
.page-products__channel-header h2,
.page-products__support-card h2 {
  font-family: var(--font-headline);
  font-size: var(--h2-size);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0.5rem 0 0.75rem;
}

.page-products__section-sub,
.page-products__guide-lead,
.page-products__version-lead {
  color: var(--page-text-soft);
  line-height: 1.75;
  max-width: 62ch;
  margin: 0;
}

.page-products__tree-layout {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.page-products__tree-intro {
  display: grid;
  gap: 1rem;
}

.page-products__tree-intro img {
  width: 100%;
  height: auto;
  border: 1px solid var(--page-line);
}

.page-products__tree-intro-note {
  border-left: 2px solid var(--color-accent-red);
  padding: 0.75rem 1rem;
  background: var(--page-card-tint);
}

.page-products__tree-intro-note .data-point {
  display: block;
  font-family: var(--font-data);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-secondary-gold);
  margin-bottom: 0.25rem;
}

.page-products__tree-intro-note p {
  margin: 0;
  color: var(--page-text-soft);
  line-height: 1.7;
}

.page-products__skill-tree,
.page-products__tree-branches,
.page-products__tree-node-leaf-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products__tree-root {
  position: relative;
  padding-left: clamp(1rem, 4vw, 2rem);
}

.page-products__tree-root::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9rem;
  bottom: 0.5rem;
  width: 2px;
  background: var(--page-gold-line);
}

.page-products__tree-root-label {
  display: inline-flex;
  align-items: center;
  background: var(--color-secondary-gold);
  color: var(--color-primary-deep);
  font-family: var(--font-headline);
  font-weight: 700;
  padding: 0.5rem 0.95rem;
  margin-bottom: 0.5rem;
  clip-path: polygon(0 0, 100% 0, calc(100% - 0.65rem) 100%, 0 100%);
}

.page-products__tree-branches {
  display: grid;
  gap: 1rem;
}

.page-products__tree-branch {
  position: relative;
  margin-left: 1rem;
  padding-left: 1.25rem;
  border-left: 2px solid var(--page-gold-line);
}

.page-products__tree-branch::before {
  content: "";
  position: absolute;
  left: -2px;
  top: 1.25rem;
  width: 1rem;
  height: 2px;
  background: var(--page-gold-line);
}

.page-products__tree-node {
  background: var(--page-card-tint);
  border: 1px solid var(--page-line);
}

.page-products__tree-node summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.125rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.1rem;
}

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

.page-products__tree-node summary::after {
  content: "+";
  font-family: var(--font-data);
  color: var(--color-secondary-gold);
  font-size: 1.4rem;
  transition: transform 0.2s ease;
}

.page-products__tree-node[open] summary::after {
  content: "−";
}

.page-products__tree-node-leaf-list {
  padding: 0 1.125rem 1rem 1.75rem;
  display: grid;
  gap: 0.5rem;
}

.page-products__tree-node-leaf-list li {
  position: relative;
  padding-left: 1rem;
  color: var(--page-text-soft);
  line-height: 1.5;
}

.page-products__tree-node-leaf-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.55rem;
  height: 2px;
  background: var(--color-accent-red);
}

.page-products__tree-foot {
  margin-top: 1.5rem;
  color: var(--page-text-mute);
  font-size: 0.9rem;
  line-height: 1.6;
}

.page-products__guide-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.page-products__guide-steps {
  list-style: none;
  counter-reset: guide-step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.page-products__guide-step {
  counter-increment: guide-step;
  padding: 1.25rem 1.25rem 1.25rem 3.25rem;
  background: rgba(255, 255, 255, 0.04);
  border-left: 2px solid var(--color-secondary-gold);
  position: relative;
}

.page-products__guide-step::before {
  content: counter(guide-step, decimal-leading-zero);
  position: absolute;
  left: 1rem;
  top: 1.25rem;
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--color-secondary-gold);
}

.page-products__guide-step h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-headline);
  font-size: 1.25rem;
}

.page-products__guide-step p {
  margin: 0;
  color: var(--page-text-soft);
  line-height: 1.7;
}

.page-products__guide-visual {
  display: grid;
  gap: 1rem;
}

.page-products__guide-visual img,
.page-products__channel-display img {
  width: 100%;
  height: auto;
  border: 1px solid var(--page-line);
}

.page-products__panel-sim {
  border: 1px solid var(--page-line);
  background: var(--color-dark-surface);
  padding: 1rem;
}

.page-products__panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--page-line);
  padding-bottom: 0.65rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-headline);
  font-weight: 700;
}

.page-products__panel-status {
  font-family: var(--font-data);
  color: var(--color-success);
  font-size: 0.85rem;
}

.page-products__panel-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
  font-family: var(--font-data);
  color: var(--page-text-soft);
}

.page-products__panel-row strong {
  color: var(--color-secondary-gold);
  font-weight: 700;
}

.page-products__version {
  padding: 3.5rem 0 3rem;
  background: radial-gradient(circle at 85% 20%, rgba(212, 175, 55, 0.16), transparent 32%), var(--color-dark-surface);
}

.page-products__version-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.page-products__version-list {
  display: grid;
  gap: 1rem;
}

.page-products__version-item {
  position: relative;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--page-line);
}

.page-products__version-item--v4 {
  border-color: var(--color-secondary-gold);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(255, 255, 255, 0.03));
}

.page-products__version-key {
  display: block;
  font-family: var(--font-data);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--color-secondary-gold);
  margin-bottom: 0.4rem;
}

.page-products__version-item h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-headline);
  font-size: 1.3rem;
}

.page-products__version-item p {
  margin: 0;
  color: var(--page-text-soft);
  line-height: 1.7;
}

.page-products__version-side {
  display: grid;
  gap: 1.5rem;
  justify-items: start;
}

.page-products__version-side img {
  width: min(100%, 300px);
  height: auto;
  border-radius: 50%;
  border: 1px solid var(--color-secondary-gold);
  background: var(--color-primary-deep);
  padding: 0.5rem;
}

.page-products__version-milestones {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: grid;
  gap: 0.75rem;
}

.page-products__version-milestones li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--page-line);
}

.page-products__milestone-year {
  font-family: var(--font-data);
  color: var(--color-secondary-gold);
  font-weight: 700;
}

.page-products__milestone-text {
  margin: 0;
  color: var(--page-text-soft);
}

.page-products__team-note {
  margin: 0;
  color: var(--page-text-mute);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-products__update-block {
  display: grid;
  gap: 2rem;
  align-items: center;
  margin-top: 3rem;
  padding: 1.5rem;
  border: 1px dashed var(--page-gold-line);
  background: rgba(0, 0, 0, 0.12);
}

.page-products__update-block img {
  width: 100%;
  max-width: 240px;
  height: auto;
}

.page-products__update-copy h3 {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  margin: 0.75rem 0 0.5rem;
}

.page-products__update-copy p {
  color: var(--page-text-soft);
  line-height: 1.75;
}

.page-products__update-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 1rem;
}

.page-products__update-stats .data-point {
  color: var(--color-secondary-gold);
  font-family: var(--font-data);
  font-weight: 700;
}

.page-products__trust-note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--page-text-mute);
}

.page-products__channel-grid {
  display: grid;
  gap: 1rem;
}

.page-products__channel {
  position: relative;
  padding: 1.5rem 1.25rem 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--page-line);
  overflow: hidden;
}

.page-products__channel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, transparent 50%, rgba(212, 175, 55, 0.28) 50%);
}

.page-products__channel-num {
  font-family: var(--font-data);
  color: var(--color-accent-red);
  font-weight: 700;
  font-size: 1.3rem;
  display: block;
  margin-bottom: 1rem;
}

.page-products__channel h3 {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.page-products__channel p {
  line-height: 1.7;
  color: var(--page-text-soft);
  margin: 0;
}

.page-products__channel-display {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
  align-items: center;
}

.page-products__channel-display img {
  max-width: 500px;
}

.page-products__channel-note {
  color: var(--page-text-soft);
  line-height: 1.8;
  margin: 0;
}

.page-products__support {
  padding: 3.5rem 0 4rem;
}

.page-products__support-card {
  display: grid;
  gap: 2rem;
  align-items: center;
  padding: 2rem;
  border: 1px solid var(--color-secondary-gold);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.12), rgba(255, 255, 255, 0.02));
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.18);
}

.page-products__support-card h2 {
  font-size: var(--h3-size);
}

.page-products__support-card p {
  color: var(--page-text-soft);
  line-height: 1.7;
  margin: 0;
  max-width: 60ch;
}

.page-products__support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (min-width: 768px) {
  .page-products__update-block {
    grid-template-columns: 240px 1fr;
  }

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

@media (min-width: 960px) {
  .page-products__hero {
    padding: 3.5rem 0 4rem;
  }

  .page-products__hero-grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 3rem;
  }

  .page-products__update-block {
    padding: 2rem;
  }

  .page-products__channel-display {
    grid-template-columns: auto 1fr;
  }

  .page-products__support-card {
    grid-template-columns: 1fr auto;
    padding: 2.5rem;
  }
}

@media (min-width: 1100px) {
  .page-products__tree-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 3rem;
  }

  .page-products__guide-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 4rem;
  }

  .page-products__version-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}