.page-products {
  --dl-grid: 28px;
  --speed-gold: rgba(240, 180, 41, 0.12);
  --speed-green: rgba(0, 245, 160, 0.08);
  --frame-gold: rgba(240, 180, 41, 0.35);
  --glow-gold: rgba(240, 180, 41, 0.2);
  --card-bg: rgba(17, 23, 34, 0.72);
}

.page-products .container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}

.page-products section[id] {
  scroll-margin-top: 112px;
}

.page-products .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 28px;
  padding-bottom: 12px;
  font-size: 14px;
  color: var(--text-dim);
}

.page-products .breadcrumb__item {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.25s var(--ease-out);
}

.page-products .breadcrumb__item:hover {
  color: var(--brand-gold);
}

.page-products .breadcrumb__item--current {
  color: var(--text-main);
  font-weight: 500;
}

.page-products .breadcrumb__sep {
  opacity: 0.6;
}

.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background:
    radial-gradient(ellipse at 80% 20%, rgba(240, 180, 41, 0.07), transparent 55%),
    radial-gradient(ellipse at 10% 90%, rgba(0, 245, 160, 0.06), transparent 50%),
    linear-gradient(var(--line-glow) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-glow) 1px, transparent 1px),
    var(--ink-bg);
  background-size: auto, auto, var(--dl-grid) var(--dl-grid), var(--dl-grid) var(--dl-grid), auto;
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    -12deg,
    transparent 0 24px,
    var(--speed-gold) 24px 26px,
    transparent 26px 52px,
    var(--speed-green) 52px 53px,
    transparent 53px 78px
  );
  opacity: 0.7;
}

.page-products .dl-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: 40px;
  padding-bottom: 32px;
}

.page-products .dl-hero__info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
}

.page-products .app-mark {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-light));
  display: grid;
  place-items: center;
  position: relative;
  box-shadow: 0 0 0 1px rgba(240, 180, 41, 0.4), 0 0 48px var(--glow-gold);
  margin-bottom: 4px;
}

.page-products .app-mark__logo {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 700;
  color: var(--text-invert);
  line-height: 1;
}

.page-products .dl-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon-green);
}

.page-products .dl-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(46px, 11vw, 72px);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text-main);
}

.page-products .dl-hero__lead {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--brand-gold);
}

.page-products .dl-hero__desc {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}

.page-products .dl-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-width: 180px;
  padding: 14px 22px;
  border-radius: var(--radius-capsule);
  line-height: 1.3;
  cursor: default;
}

.page-products .dl-btn__platform {
  font-size: 18px;
  font-weight: 700;
}

.page-products .dl-btn__version {
  font-family: var(--font-mono);
  font-size: 13px;
  opacity: 0.75;
}

.page-products .dl-btn__note {
  font-size: 12px;
  opacity: 0.7;
}

.page-products .dl-qr {
  max-width: 280px;
  margin-top: 2px;
  border: 1px dashed var(--frame-gold);
  border-radius: var(--radius-md);
  background: rgba(240, 180, 41, 0.03);
  overflow: hidden;
}

.page-products .dl-qr__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-gold);
}

.page-products .dl-qr__summary::-webkit-details-marker {
  display: none;
}

.page-products .dl-qr__panel {
  display: grid;
  place-items: center;
  padding: 0 14px 14px;
}

.page-products .dl-qr__deco {
  width: 96px;
  height: 96px;
  border-radius: 12px;
  border: 2px solid #0a0e1a;
  background-color: #f2f2f2;
  background-image:
    linear-gradient(90deg, #0a0e1a 0 12px, transparent 12px 16px, #0a0e1a 16px 26px, transparent 26px 30px, #0a0e1a 30px 40px),
    linear-gradient(0deg, #0a0e1a 0 10px, transparent 10px 14px, #0a0e1a 14px 24px, transparent 24px 28px, #0a0e1a 28px 38px);
}

.page-products .dl-qr__text {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-dim);
}

.page-products .dl-hero__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.page-products .dl-hero__help {
  font-size: 14px;
  color: var(--neon-green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
}

.page-products .dl-hero__help:hover {
  color: var(--brand-gold);
  border-color: var(--brand-gold);
}

.page-products .dl-hero__figure {
  position: relative;
  overflow: hidden;
  margin: 36px 0 0;
  padding: 12px;
  border: 1px solid var(--frame-gold);
  border-radius: 32px;
  background: var(--panel-bg);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

.page-products .dl-hero__figure::before {
  content: "J9 · CLIENT 5.2.1";
  display: block;
  padding: 4px 8px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--brand-gold);
}

.page-products .dl-hero__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
}

.page-products .dl-hero__figcap {
  padding-top: 10px;
  font-size: 12px;
  text-align: center;
  color: var(--text-dim);
}

.page-products .dl-index {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding-top: 28px;
  padding-bottom: 32px;
}

.page-products .dl-index__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--line-glow);
  border-radius: var(--radius-capsule);
  background: rgba(10, 14, 26, 0.6);
  transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.page-products .dl-index__item:hover {
  color: var(--brand-gold);
  border-color: var(--frame-gold);
}

.page-products .dl-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neon-green);
}

.page-products .feature-matrix {
  padding-top: 64px;
}

.page-products .feature-matrix__bg {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 24px;
  border: 1px solid var(--line-glow);
  border-radius: var(--radius-lg);
}

.page-products .feature-matrix__table-wrap {
  margin-top: 20px;
  overflow-x: auto;
  border: 1px solid var(--line-glow);
  border-radius: var(--radius-md);
  background: var(--panel-bg);
}

.page-products .feature-matrix__table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .feature-matrix__table th {
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-align: left;
  white-space: nowrap;
  background: rgba(240, 180, 41, 0.08);
  border-bottom: 1px solid var(--frame-gold);
  color: var(--brand-gold);
}

.page-products .feature-matrix__table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-glow);
  line-height: 1.6;
  vertical-align: top;
  color: var(--text-main);
}

.page-products .feature-matrix__table tbody tr {
  transition: background 0.25s var(--ease-out);
}

.page-products .feature-matrix__table tbody tr:hover {
  background: rgba(240, 180, 41, 0.04);
}

.page-products .feature-matrix__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .feature-matrix__table td:first-child {
  white-space: nowrap;
  font-weight: 700;
  color: var(--brand-gold);
}

.page-products .feature-matrix__footnote {
  margin-top: 16px;
  padding-left: 12px;
  border-left: 2px solid var(--neon-green);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-products .small-mode {
  padding-top: 64px;
}

.page-products .small-mode__grid {
  display: grid;
  gap: 32px;
  align-items: center;
  margin-top: 24px;
}

.page-products .small-mode__copy p {
  margin: 0 0 14px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .small-mode__list {
  display: grid;
  gap: 8px;
  margin: 20px 0;
  padding: 0;
  list-style: none;
}

.page-products .small-mode__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
}

.page-products .dot {
  display: inline-block;
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-products .dot--green {
  background: var(--neon-green);
  box-shadow: 0 0 10px rgba(0, 245, 160, 0.5);
}

.page-products .dot--gold {
  background: var(--brand-gold);
  box-shadow: 0 0 10px rgba(240, 180, 41, 0.5);
}

.page-products .dot--dim {
  background: var(--text-dim);
  opacity: 0.7;
}

.page-products .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 2px;
  font-size: 15px;
  font-weight: 700;
  color: var(--brand-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
}

.page-products .link-arrow:hover {
  color: var(--neon-green);
  border-color: var(--neon-green);
}

.page-products .small-mode__figure {
  position: relative;
  max-width: 320px;
  margin: 0 auto;
  padding: 14px;
  border: 2px solid var(--frame-gold);
  border-radius: 44px;
  background: var(--panel-bg);
  box-shadow: 0 0 0 1px var(--line-glow), 0 20px 60px rgba(0, 0, 0, 0.35);
}

.page-products .small-mode__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 32px;
}

.page-products .small-mode__figcap {
  padding-top: 10px;
  font-size: 12px;
  text-align: center;
  color: var(--text-dim);
}

.page-products .version-history {
  padding-top: 64px;
}

.page-products .version-history__timeline-img {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  margin: 24px auto 0;
  border: 1px solid var(--line-glow);
  border-radius: var(--radius-md);
}

.page-products .version-history__list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-products .version-item {
  overflow: hidden;
  border: 1px solid var(--line-glow);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-products .version-item[open] {
  border-color: var(--frame-gold);
  box-shadow: 0 0 0 1px rgba(240, 180, 41, 0.08), 0 12px 36px rgba(0, 0, 0, 0.25);
}

.page-products .version-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  font-size: 15px;
  list-style: none;
  cursor: pointer;
}

.page-products .version-item__head::-webkit-details-marker {
  display: none;
}

.page-products .version-item__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--text-dim);
  transition: transform 0.3s var(--ease-out), color 0.3s var(--ease-out);
}

.page-products .version-item[open] .version-item__head::after {
  content: "−";
  color: var(--brand-gold);
  transform: rotate(180deg);
}

.page-products .version-item__badge {
  padding: 2px 10px;
  border-radius: var(--radius-capsule);
  background: var(--brand-gold);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--text-invert);
}

.page-products .version-item__badge--current {
  background: var(--neon-green);
}

.page-products .version-item__num {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--brand-gold);
}

.page-products .version-item__name {
  flex: 1;
  min-width: 180px;
  font-weight: 500;
  color: var(--text-main);
}

.page-products .version-item__body {
  padding: 0 18px 16px;
  border-top: 1px solid var(--line-glow);
}

.page-products .version-item__body ul {
  display: grid;
  gap: 6px;
  margin: 12px 0 0;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-dim);
}

.page-products .install-guide {
  padding-top: 64px;
}

.page-products .install-guide__banner {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 24px;
  border: 1px solid var(--line-glow);
  border-radius: var(--radius-lg);
}

.page-products .install-guide__grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-products .install-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border: 1px solid var(--line-glow);
  border-radius: var(--radius-lg);
  background: var(--panel-bg);
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-products .install-card:hover {
  border-color: var(--frame-gold);
  transform: translateY(-2px);
}

.page-products .install-card__idx {
  position: absolute;
  top: 8px;
  right: 16px;
  pointer-events: none;
  font-family: var(--font-display);
  font-size: 76px;
  font-weight: 700;
  line-height: 1;
  color: rgba(255, 255, 255, 0.04);
}

.page-products .install-card__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-main);
}

.page-products .install-card__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-products .install-card__list li {
  position: relative;
  padding-left: 14px;
}

.page-products .install-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand-gold);
}

.page-products .install-card--feedback {
  background: linear-gradient(135deg, rgba(240, 180, 41, 0.06), transparent 60%), var(--panel-bg);
}

.page-products .install-card__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .install-card--feedback .btn--gold {
  padding: 10px 20px;
  font-size: 14px;
}

.page-products .related-links {
  padding-top: 64px;
  padding-bottom: 80px;
}

.page-products .related-links__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-products .related-links__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.page-products .related-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 20px;
  border: 1px solid var(--line-glow);
  border-radius: var(--radius-md);
  background: var(--panel-bg);
  font-weight: 700;
  text-decoration: none;
  color: var(--text-main);
  transition: transform 0.25s var(--ease-out), border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.page-products .related-card:hover {
  border-color: var(--frame-gold);
  box-shadow: 0 0 0 1px rgba(240, 180, 41, 0.12), 0 12px 28px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}

.page-products .related-card__hint {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-dim);
}

@media (min-width: 768px) {
  .page-products .dl-index {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .small-mode__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .page-products .version-history__list {
    position: relative;
    padding-left: 28px;
    border-left: 2px solid var(--brand-gold);
  }

  .page-products .version-item {
    position: relative;
  }

  .page-products .version-item::before {
    content: "";
    position: absolute;
    left: -33px;
    top: 22px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--brand-gold);
    border: 2px solid var(--ink-bg);
    box-shadow: 0 0 0 2px rgba(240, 180, 41, 0.3);
  }

  .page-products .version-item:first-child::before {
    background: var(--neon-green);
    box-shadow: 0 0 0 2px rgba(0, 245, 160, 0.3);
  }

  .page-products .install-guide__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .install-guide__grid .install-card--feedback {
    grid-column: 1 / -1;
  }

  .page-products .related-links__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-products .dl-hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    padding-top: 56px;
    padding-bottom: 40px;
  }

  .page-products .dl-hero__figure {
    margin-top: 0;
  }

  .page-products .feature-matrix {
    padding-top: 88px;
  }

  .page-products .small-mode {
    padding-top: 88px;
  }

  .page-products .version-history {
    padding-top: 88px;
  }

  .page-products .install-guide {
    padding-top: 88px;
  }

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

  .page-products .install-guide__grid .install-card--feedback {
    grid-column: auto;
  }

  .page-products .related-links {
    padding-top: 88px;
  }
}