.download-intro {
  padding-top: 74px;
  padding-bottom: 82px;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-page);
  color: var(--color-ink);
}

.download-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
  gap: 72px;
  align-items: center;
}

.download-intro h1 {
  max-width: 720px;
  font-size: clamp(34px, 3.35vw, 48px);
}

.download-lead {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
  font-size: 18px;
  line-height: 1.8;
}

.download-facts {
  margin-top: 25px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.selection-note {
  padding: 12px;
}

.selection-note .panel {
  height: 100%;
}

.selection-note-title {
  margin-bottom: 13px;
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.selection-note ol {
  margin-bottom: 18px;
  padding-left: 1.3em;
  color: var(--color-ink);
}

.selection-note li {
  margin-bottom: 8px;
}

.selection-note p:last-child {
  margin-bottom: 0;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.download-platform-shell {
  width: 100%;
}

.download-platform-shell > .tab-list {
  justify-content: center;
}

.download-platform-shell .tab-button {
  min-width: 150px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
}

.platform-tab-icon {
  width: 27px;
  height: 27px;
  display: grid;
  flex-shrink: 0;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xs);
  background: var(--color-page);
  color: var(--color-ink-muted);
}

.platform-tab-icon svg {
  width: 14px;
  height: 14px;
}

.platform-tab-icon-tux svg {
  width: 13px;
  height: 16px;
}

.tab-button.is-active .platform-tab-icon {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
}

.platform-panel {
  grid-column: 1;
  grid-row: 1;
  padding-top: 50px;
}

.platform-panel-heading {
  margin-bottom: 28px;
  padding-bottom: 25px;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 1.15fr);
  gap: 56px;
  align-items: end;
  border-bottom: 1px solid var(--color-line);
}

.platform-panel-heading h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 2.8vw, 40px);
}

.platform-panel-heading > p {
  margin-bottom: 0;
  color: var(--color-ink-muted);
}

.package-card {
  padding: 34px;
}

.package-card .download-card-head {
  justify-content: space-between;
}

.package-card .badge {
  margin-bottom: 12px;
}

.package-card .download-card-title {
  margin-bottom: 6px;
  font-size: 30px;
}

.package-card .download-card-meta {
  margin-bottom: 0;
}

.package-summary {
  max-width: 940px;
  margin-bottom: 30px;
  color: var(--color-ink-muted);
  line-height: 1.8;
}

.package-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.package-option {
  min-width: 0;
  padding: 23px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-ink);
}

.package-option-primary {
  background: var(--color-page);
}

.package-option h4 {
  margin-bottom: 7px;
  font-size: 18px;
}

.package-option p {
  margin-bottom: 22px;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.package-main-action,
.package-alt-action {
  width: 100%;
  min-height: 50px;
  margin-top: auto;
}

.package-main-action {
  font-size: 16px;
}

.requirements-block {
  margin-top: 38px;
  padding-top: 37px;
  border-top: 1px solid var(--color-line);
}

.requirements-block h3 {
  font-size: 26px;
}

.requirements-block table {
  min-width: 690px;
}

.requirements-block th:first-child {
  width: 22%;
}

.requirements-block th:nth-child(2) {
  width: 31%;
}

.requirements-copy {
  max-width: 980px;
  margin-top: 24px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
  line-height: 1.82;
}

.android-card-stack {
  display: grid;
  gap: 20px;
}

.architecture-alternatives {
  margin-top: 18px;
  padding: 23px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-ink);
}

.architecture-alternatives h4 {
  margin-bottom: 7px;
}

.architecture-alternatives p {
  margin-bottom: 18px;
  color: var(--color-ink-muted);
}

.architecture-alternatives .button {
  min-height: 48px;
}

.install-sequence {
  border-top: 1px solid var(--color-line);
}

.install-step {
  padding-top: 30px;
  padding-bottom: 30px;
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 25px;
  border-bottom: 1px solid var(--color-line);
}

.install-step-number {
  width: 52px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 13px;
}

.install-step h3 {
  margin-bottom: 9px;
  font-size: 23px;
}

.install-step p {
  max-width: 900px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
  line-height: 1.8;
}

.client-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.client-note {
  min-height: 100%;
}

.client-note .card-title {
  font-size: 21px;
}

.client-note .card-copy {
  line-height: 1.78;
}

.compatibility-copy {
  max-width: 930px;
  margin-top: 54px;
  padding-top: 42px;
  border-top: 1px solid var(--color-line);
}

.compatibility-copy h3 {
  font-size: 28px;
}

.compatibility-copy p {
  color: var(--color-ink-muted);
  line-height: 1.82;
}

@media (max-width: 960px) {
  .download-intro-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .selection-note {
    max-width: 680px;
  }

  .download-platform-shell > .tab-list {
    justify-content: flex-start;
  }

  .download-platform-shell .tab-button {
    min-width: 132px;
  }

  .platform-panel-heading {
    grid-template-columns: 1fr;
    gap: 18px;
    align-items: start;
  }

  .client-notes {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .download-intro {
    padding-top: 52px;
    padding-bottom: 60px;
  }

  .download-intro h1 {
    font-size: clamp(26px, 7.4vw, 30px);
  }

  .download-lead {
    font-size: 16px;
  }

  .package-card {
    padding: 24px;
  }

  .package-options {
    grid-template-columns: 1fr;
  }

  .platform-panel {
    padding-top: 36px;
  }

  .install-step {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 14px;
  }
}

@media (max-width: 640px) {
  .download-intro {
    padding-top: 40px;
    padding-bottom: 48px;
  }

  .download-intro-grid {
    gap: 28px;
  }

  .selection-note {
    padding: 8px;
  }

  .download-platform-shell .tab-button {
    min-width: 122px;
    padding-inline: 13px;
  }

  .package-card {
    padding: 21px;
  }

  .package-card .download-card-title {
    font-size: 26px;
  }

  .package-option,
  .architecture-alternatives {
    padding: 19px;
  }

  .package-main-action,
  .package-alt-action,
  .architecture-alternatives .button {
    width: 100%;
  }

  .requirements-block {
    margin-top: 30px;
    padding-top: 29px;
  }

  .requirements-block h3 {
    font-size: 23px;
  }

  .install-step {
    grid-template-columns: 1fr;
  }

  .install-step-number {
    width: 48px;
  }

  .compatibility-copy {
    margin-top: 40px;
    padding-top: 34px;
  }
}