.page-app-download .client-hero {
  position: relative;
  padding-block: var(--space-8) var(--section-y);
  overflow: hidden;
}

.page-app-download .client-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 88% 6%, color-mix(in srgb, var(--color-primary) 26%, transparent) 0%, transparent 58%),
    radial-gradient(80% 60% at 6% 96%, color-mix(in srgb, var(--color-accent) 10%, transparent) 0%, transparent 62%);
  pointer-events: none;
}

.page-app-download .client-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-app-download .client-hero-copy .breadcrumb {
  margin-bottom: var(--space-3);
}

.page-app-download .client-hero-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 0.94;
  letter-spacing: -0.035em;
  color: var(--color-ink);
}

.page-app-download .client-hero-lede {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-app-download .client-hero-note {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-app-download .client-hero-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.page-app-download .hero-figures {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
}

.page-app-download .hero-figure {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-primary);
}

.page-app-download .hero-figure .figure-num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 0.86;
  letter-spacing: -0.04em;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.page-app-download .hero-figure-label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-ink-soft);
}

.page-app-download .client-hero-media {
  margin: 0;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-primary) 42%, transparent), 0 0 28px color-mix(in srgb, var(--color-primary) 22%, transparent);
}

.page-app-download .client-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-app-download .client-hero-media .media-caption {
  padding: var(--space-2) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-app-download .index-head,
.page-app-download .steps-head,
.page-app-download .lines-head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-app-download .index-head h2,
.page-app-download .steps-head h2,
.page-app-download .lines-head h2 {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}

.page-app-download .section-lede {
  margin: 0;
  color: var(--color-ink-soft);
}

.page-app-download .step-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--space-2);
}

.page-app-download .step-index-link {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.page-app-download .step-index-link:hover,
.page-app-download .step-index-link:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-ink);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-primary) 55%, transparent);
}

.page-app-download .step-index-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.page-app-download .step-index-label {
  font-size: var(--text-sm);
  line-height: 1.4;
}

.page-app-download .step-group + .step-group {
  margin-top: var(--space-8);
}

.page-app-download .group-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .group-title-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
}

.page-app-download .group-title-row h3 {
  margin: 0;
  color: var(--color-ink);
}

.page-app-download .group-letter {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-app-download .group-count {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  padding: 2px var(--space-2);
  border-radius: var(--radius-pill);
  background: var(--color-highlight);
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

.page-app-download .group-lede {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

.page-app-download .group-media {
  margin: 0;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-primary) 34%, transparent);
}

.page-app-download .group-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-app-download .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-6);
}

.page-app-download .step-item {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: var(--space-3);
  scroll-margin-top: 120px;
}

.page-app-download .step-rail {
  position: relative;
}

.page-app-download .step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

.page-app-download .step-item::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 40px;
  bottom: -24px;
  width: 1px;
  background: linear-gradient(180deg, var(--color-line) 0%, color-mix(in srgb, var(--color-line) 20%, transparent) 100%);
}

.page-app-download .step-item:last-child::before {
  display: none;
}

.page-app-download .step-main {
  min-width: 0;
}

.page-app-download .step-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-app-download .step-action {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-app-download .step-meta {
  display: grid;
  gap: var(--space-2);
}

.page-app-download .step-meta-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding-left: var(--space-3);
  border-left: var(--border-thin) solid var(--color-line);
}

.page-app-download .step-meta-key {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-app-download .step-meta-val {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-app-download .step-check {
  display: inline-block;
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-accent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.page-app-download .line-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-app-download .line-card {
  position: relative;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--color-primary) 45%, transparent), 0 0 0 1px var(--color-line);
  transition: box-shadow 160ms ease;
}

.page-app-download .line-card:hover {
  box-shadow: inset 0 1px 0 var(--color-primary), 0 0 0 1px color-mix(in srgb, var(--color-primary) 55%, transparent);
}

.page-app-download .line-name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-app-download .line-rhythm {
  margin: var(--space-1) 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.page-app-download .line-fields {
  margin: 0;
}

.page-app-download .line-fields dt {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  margin-top: var(--space-2);
}

.page-app-download .line-fields dt:first-child {
  margin-top: 0;
}

.page-app-download .line-fields dd {
  margin: 2px 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-app-download .lines-media {
  margin: var(--space-6) 0 0;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-primary) 30%, transparent);
}

.page-app-download .lines-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-app-download .lines-media .media-caption {
  padding: var(--space-2) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-app-download .android-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface-deep);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-primary) 38%, transparent);
}

.page-app-download .android-copy h2 {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}

.page-app-download .android-copy p {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-app-download .android-link-row {
  margin: 0;
  font-size: var(--text-base);
}

.page-app-download .related-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-app-download .related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-app-download .related-list li {
  padding-left: var(--space-3);
  border-left: var(--border-thin) solid var(--color-line);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

@media (min-width: 700px) {
  .page-app-download .step-meta-row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: var(--space-3);
    align-items: baseline;
  }

  .page-app-download .step-item {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: var(--space-4);
  }

  .page-app-download .step-item::before {
    left: 35px;
    top: 48px;
    bottom: -32px;
  }

  .page-app-download .step-num {
    font-size: var(--text-xl);
  }

  .page-app-download .step-title {
    font-size: var(--text-xl);
  }

  .page-app-download .line-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-app-download .android-panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    padding: var(--space-6);
  }
}

@media (min-width: 900px) {
  .page-app-download .client-hero {
    padding-block: var(--space-8) var(--section-y-lg);
  }

  .page-app-download .client-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: end;
  }

  .page-app-download .hero-figures {
    justify-content: flex-end;
  }

  .page-app-download .group-head {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--space-6);
    align-items: start;
  }

  .page-app-download .step-item {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .page-app-download .step-item::before {
    left: 47px;
  }

  .page-app-download .step-num {
    font-size: var(--text-2xl);
  }
}

@media (min-width: 1040px) {
  .page-app-download .line-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-app-download .step-index-link,
  .page-app-download .line-card {
    transition: none;
  }
}