.download-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(620px 320px at 82% 12%, var(--color-pink-soft), transparent),
    radial-gradient(540px 300px at 12% 88%, var(--color-blue-soft), transparent),
    var(--color-page);
  padding-top: clamp(54px, 8vw, 94px);
  padding-bottom: clamp(54px, 8vw, 94px);
}

.download-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: clamp(28px, 6vw, 76px);
}

.download-hero-copy,
.download-route-map {
  min-width: 0;
}

.download-hero-copy h1 {
  max-width: 720px;
  font-size: clamp(34px, 4vw, 48px);
}

.download-hero-copy .subtitle {
  max-width: 720px;
}

.download-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.download-route-map {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-device);
  padding: clamp(20px, 4vw, 34px);
}

.download-route-map::before {
  position: absolute;
  top: 22px;
  bottom: 22px;
  left: 18px;
  width: 3px;
  border-radius: var(--radius-pill);
  background: linear-gradient(var(--color-cyan), var(--color-accent), var(--color-orange));
  content: "";
}

.route-map-head,
.route-map-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-left: 12px;
}

.route-map-head {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
  color: var(--color-muted);
  font-size: 0.76rem;
}

.route-map-line {
  position: relative;
  border-bottom: 1px solid var(--color-border);
  padding-top: 17px;
  padding-bottom: 17px;
}

.route-map-line:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.route-map-line::before {
  position: absolute;
  left: -19px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--color-surface);
  border-radius: var(--radius-small);
  background: var(--color-accent);
  content: "";
}

.route-map-line:nth-child(3)::before {
  background: var(--color-cyan);
}

.route-map-line:nth-child(4)::before {
  background: var(--color-orange);
}

.route-map-line:nth-child(5)::before {
  background: var(--color-accent-deep);
}

.route-map-line span {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.route-map-line strong {
  text-align: right;
}

.download-tabs .tab-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
}

.download-tabs .tab-button:nth-child(4)[aria-selected="true"],
.download-tabs .tab-button:nth-child(4).is-active {
  background: var(--color-blue-soft);
  color: var(--color-ink);
}

.download-platform-icon {
  display: grid;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-surface);
  color: var(--color-ink);
}

.download-platform-icon svg {
  width: 18px;
  height: 18px;
}

.download-platform-panel {
  grid-column: 1;
  grid-row: 2;
}

.platform-panel-intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 30px;
  padding-bottom: 26px;
}

.platform-panel-intro > div {
  max-width: 820px;
}

.platform-panel-intro > :last-child {
  flex-shrink: 0;
}

.package-card {
  box-shadow: none;
}

.package-card + .package-card {
  margin-top: 22px;
}

.download-card-header img,
.client-note-heading img {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.download-card-header h3 {
  margin-top: 8px;
  margin-bottom: 3px;
}

.package-version {
  margin-bottom: 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.package-choice {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 0.42fr);
  align-items: center;
  gap: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface-soft);
  margin-top: 16px;
  padding: clamp(18px, 3vw, 26px);
}

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

.package-choice h4 {
  margin-bottom: 5px;
}

.package-choice p {
  margin-bottom: 9px;
  color: var(--color-muted);
}

.package-choice code,
.arm-package-files code {
  display: block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.package-main-action,
.package-secondary-action {
  width: 100%;
  min-height: 52px;
}

.package-main-action {
  box-shadow: var(--shadow-button);
}

.system-requirements {
  border-top: 1px solid var(--color-border);
  margin-top: 34px;
  padding-top: 30px;
}

.system-requirements h3 {
  margin-bottom: 18px;
}

.system-requirements .callout {
  margin-top: 22px;
}

.android-package-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 22px;
}

.android-package-stack .package-card + .package-card {
  margin-top: 0;
}

.android-package-stack .package-choice {
  grid-template-columns: minmax(0, 1fr);
  align-items: stretch;
}

.linux-main-packages {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.linux-main-packages .package-choice {
  grid-template-columns: minmax(0, 1fr);
  align-items: stretch;
}

.arm-package-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.7fr);
  gap: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-blue-soft);
  margin-top: 16px;
  padding: clamp(18px, 3vw, 26px);
}

.arm-package-actions {
  display: grid;
  align-content: center;
  gap: 10px;
}

.arm-package-files {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.decision-flow {
  display: grid;
  gap: 14px;
}

.decision-step {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  padding: clamp(22px, 4vw, 34px);
}

.decision-step h3 {
  margin-bottom: 7px;
}

.decision-step p {
  margin-bottom: 0;
  color: var(--color-ink-soft);
}

.decision-index {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-surface);
  color: var(--color-accent-deep);
  font-weight: 800;
}

.post-install-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
  align-items: start;
  gap: clamp(28px, 6vw, 66px);
}

.install-sequence {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: install-step;
}

.install-sequence li {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  counter-increment: install-step;
}

.install-sequence li::before {
  position: relative;
  z-index: 1;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-ink);
  color: var(--color-surface);
  content: counter(install-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.install-sequence li::after {
  position: absolute;
  top: 42px;
  bottom: 0;
  left: 20px;
  width: 1px;
  background: var(--color-border);
  content: "";
}

.install-sequence li:last-child::after {
  display: none;
}

.install-sequence li + li {
  padding-top: 26px;
}

.install-sequence h3 {
  margin-bottom: 7px;
  font-size: 1.15rem;
}

.install-sequence p {
  color: var(--color-muted);
}

.install-check-panel {
  position: sticky;
  top: 20px;
}

.install-check-panel .button {
  width: 100%;
  margin-top: 10px;
}

.client-notes {
  display: grid;
  gap: 18px;
}

.client-note {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  padding: clamp(22px, 4vw, 34px);
}

.client-note-heading {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.client-note-heading h3 {
  margin-bottom: 0;
}

.client-note p:last-child {
  margin-bottom: 0;
}

.download-next-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-pink-soft);
  margin-top: 52px;
  padding: clamp(24px, 5vw, 42px);
}

.download-next-step h2 {
  margin-bottom: 8px;
}

.download-next-step p:last-child {
  margin-bottom: 0;
}

@media (max-width: 960px) {
  .download-hero-layout,
  .post-install-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .download-route-map {
    max-width: 720px;
  }

  .android-package-stack {
    grid-template-columns: minmax(0, 1fr);
  }

  .install-check-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  .download-hero-copy h1 {
    font-size: clamp(24px, 7.5vw, 30px);
  }

  .platform-panel-intro {
    flex-direction: column;
  }

  .package-choice,
  .arm-package-strip {
    grid-template-columns: minmax(0, 1fr);
  }

  .linux-main-packages,
  .arm-package-files {
    grid-template-columns: minmax(0, 1fr);
  }

  .arm-package-files {
    grid-column: auto;
  }

  .download-next-step {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 520px) {
  .download-route-map {
    padding-left: 28px;
  }

  .route-map-head,
  .route-map-line {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .route-map-line strong {
    text-align: left;
  }

  .download-tabs .tab-button {
    min-width: 160px;
  }

  .decision-step {
    grid-template-columns: minmax(0, 1fr);
  }

  .install-sequence li {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 13px;
  }

  .install-sequence li::before {
    width: 36px;
    height: 36px;
  }

  .install-sequence li::after {
    top: 36px;
    left: 17px;
  }

  .download-card-header {
    align-items: center;
  }

  .download-card-header img,
  .client-note-heading img {
    width: 48px;
    height: 48px;
  }
}