:root {
  --download-hero-width: 760px;
  --download-choice-width: 360px;
  --download-logo-size: 52px;
  --download-icon-size: 30px;
  --download-step-size: 38px;
  --download-package-min: 250px;
  --download-panel-gap: 30px;
}

.download-hero {
  position: relative;
  overflow: clip;
  padding-top: 66px;
  padding-bottom: 80px;
}

.download-hero::before {
  position: absolute;
  top: -240px;
  right: -180px;
  width: 760px;
  height: 680px;
  border-radius: var(--radius-pill);
  background:
    radial-gradient(circle at 42% 50%, var(--color-accent-wash), transparent 64%),
    radial-gradient(circle at 74% 28%, var(--color-blue-wash), transparent 58%);
  content: "";
  pointer-events: none;
}

.download-hero .wrap {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, var(--download-choice-width));
  gap: 72px;
  align-items: center;
}

.download-hero-copy {
  min-width: 0;
  max-width: var(--download-hero-width);
}

.download-hero h1 {
  max-width: 760px;
  margin-top: 20px;
  margin-bottom: 18px;
  font-size: clamp(34px, 3.2vw, 48px);
}

.download-lead {
  max-width: 740px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
  font-size: 18px;
  line-height: 1.85;
}

.download-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.download-summary span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 13px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-ink-muted);
  font-size: 12.5px;
  font-weight: 650;
}

.choice-panel {
  min-width: 0;
  padding: 26px;
  border-radius: var(--radius-card);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.choice-panel-head {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding-top: 17px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--color-line-soft);
}

.choice-panel-head:first-child {
  padding-top: 0;
}

.choice-panel-head:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.choice-step {
  display: inline-flex;
  width: var(--download-step-size);
  height: var(--download-step-size);
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-small);
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.choice-panel-head strong {
  display: block;
  margin-bottom: 3px;
  font-size: 14px;
}

.choice-panel-head p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 12.5px;
  line-height: 1.55;
}

.download-browser {
  padding-top: 88px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-heading h2 {
  margin-top: 16px;
  margin-bottom: 13px;
}

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

.section-heading-centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.download-tabs .tab-list {
  width: 100%;
  justify-content: center;
}

.download-tabs .tab-list [role="tab"] {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.platform-tab-icon {
  display: inline-flex;
  width: var(--download-icon-size);
  height: var(--download-icon-size);
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-small);
  background: var(--color-panel-muted);
  color: var(--color-ink-muted);
}

.platform-tab-icon svg {
  width: 15px;
  height: 15px;
}

.platform-tab-icon-tux svg {
  width: 14px;
  height: 17px;
}

.download-tabs [role="tab"][aria-selected="true"] .platform-tab-icon {
  background: var(--color-panel);
  color: var(--color-accent-deep);
}

.download-tabs [role="tabpanel"] {
  grid-column: 1;
  grid-row: 1;
  margin-top: 42px;
}

.platform-intro {
  display: grid;
  grid-template-columns: minmax(220px, .7fr) minmax(0, 1.3fr);
  gap: 46px;
  align-items: end;
  margin-bottom: 28px;
}

.platform-intro h3 {
  margin: 7px 0 0;
  font-size: 28px;
}

.platform-intro p {
  margin: 0;
  color: var(--color-ink-muted);
}

.platform-kicker {
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.client-card {
  padding: 36px;
}

.client-logo {
  width: var(--download-logo-size);
  height: var(--download-logo-size);
  flex-shrink: 0;
}

.client-title-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.client-title-line h3 {
  margin: 0;
  font-size: 27px;
}

.client-summary {
  max-width: 890px;
  margin-top: 24px;
  margin-bottom: 0;
  color: var(--color-ink-muted);
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(var(--download-package-min), 1fr));
  gap: 18px;
  margin-top: 28px;
  margin-bottom: 24px;
}

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

.package-choice-primary {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.package-label {
  display: inline-block;
  margin-bottom: 7px;
  color: var(--color-accent-deep);
  font-size: 12px;
  font-weight: 750;
}

.package-choice > strong {
  display: block;
  margin-bottom: 8px;
  font-size: 19px;
}

.package-choice p {
  margin-bottom: 20px;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.package-download {
  width: 100%;
  min-height: 52px;
  margin-top: auto;
}

.package-choice:not(.package-choice-primary) .package-download {
  border-color: var(--color-accent);
  color: var(--color-accent-deep);
  font-weight: 800;
}

.requirement-block {
  margin-top: 38px;
}

.requirement-block h3 {
  margin-bottom: 18px;
  font-size: 23px;
}

.requirement-block .data-table {
  min-width: 720px;
}

.android-card-stack {
  display: grid;
  gap: var(--download-panel-gap);
}

.architecture-alternatives {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 6px;
  margin-bottom: 24px;
  padding: 22px;
  border-radius: var(--radius-medium);
  background: var(--color-panel-muted);
}

.architecture-alternatives h4 {
  margin-bottom: 7px;
  font-size: 20px;
}

.architecture-alternatives p {
  max-width: 640px;
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.architecture-actions {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.install-path {
  position: relative;
}

.install-steps {
  display: grid;
  max-width: 900px;
  gap: 18px;
  margin-right: auto;
  margin-left: auto;
  padding: 0;
  list-style: none;
}

.install-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 20px;
  padding: 28px;
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.install-step-number {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-small);
  background: var(--color-accent);
  color: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 800;
}

.install-steps h3 {
  margin-bottom: 9px;
  font-size: 21px;
}

.install-steps p {
  margin: 0;
  color: var(--color-ink-muted);
}

.install-followup {
  display: flex;
  max-width: 900px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin: 28px auto 0;
  padding: 27px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-panel);
}

.install-followup h3 {
  margin-bottom: 6px;
  font-size: 20px;
}

.install-followup p {
  margin: 0;
  color: var(--color-ink-muted);
}

@media (max-width: 900px) {
  .download-hero .wrap {
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
  }

  .choice-panel {
    max-width: 680px;
  }

  .platform-intro {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .architecture-alternatives {
    align-items: flex-start;
    flex-direction: column;
  }

  .architecture-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 700px) {
  .package-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .client-card {
    padding: 25px;
  }

  .download-tabs .tab-list {
    justify-content: flex-start;
  }

  .install-followup {
    align-items: stretch;
    flex-direction: column;
  }

  .install-followup .button {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .download-hero {
    padding-top: 38px;
    padding-bottom: 56px;
  }

  .download-hero h1 {
    font-size: clamp(25px, 7vw, 30px);
  }

  .download-lead {
    font-size: 15.5px;
    line-height: 1.75;
  }

  .download-summary {
    gap: 7px;
    margin-top: 22px;
  }

  .download-summary span {
    padding: 5px 10px;
    font-size: 11.5px;
  }

  .choice-panel {
    padding: 21px;
  }

  .download-browser {
    padding-top: 66px;
  }

  .download-tabs [role="tabpanel"] {
    margin-top: 32px;
  }

  .platform-intro h3 {
    font-size: 24px;
  }

  .client-card {
    padding: 21px;
  }

  .client-logo {
    width: 48px;
    height: 48px;
  }

  .client-title-line h3 {
    font-size: 23px;
  }

  .package-choice {
    padding: 19px;
  }

  .architecture-actions {
    flex-direction: column;
  }

  .architecture-actions .button {
    width: 100%;
  }

  .install-steps li {
    grid-template-columns: minmax(0, 1fr);
    gap: 15px;
    padding: 22px;
  }

  .install-step-number {
    width: 38px;
    height: 38px;
  }

  .install-followup {
    padding: 22px;
  }
}

@media (max-width: 380px) {
  .download-card-head {
    gap: 12px;
  }

  .client-logo {
    width: 48px;
    height: 48px;
  }

  .client-title-line {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .package-download {
    padding-right: 17px;
    padding-left: 17px;
    font-size: 13px;
  }
}