.download-hero {
  position: relative;
  background: var(--color-bg);
}

.download-hero::before {
  position: absolute;
  top: 20%;
  right: -10%;
  width: 48%;
  height: 62%;
  background: repeating-linear-gradient(
    90deg,
    var(--color-accent-line) 0 1px,
    var(--color-transparent) 1px 9px
  );
  content: "";
  opacity: 0.34;
  pointer-events: none;
  transform: skewY(-6deg);
  -webkit-mask-image: linear-gradient(90deg, var(--color-transparent), var(--color-text), var(--color-transparent));
  mask-image: linear-gradient(90deg, var(--color-transparent), var(--color-text), var(--color-transparent));
}

.download-hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 480px;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: center;
}

.download-hero-copy {
  max-width: 710px;
}

.download-hero-copy .badge-row {
  margin-top: 30px;
}

.selection-map {
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-bg);
  box-shadow: var(--shadow-float);
  transform: perspective(1100px) rotateY(-3deg) rotateX(2deg);
}

.selection-map-label {
  display: block;
  margin-bottom: 20px;
  color: var(--color-accent-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.selection-map ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.selection-map li {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 24px;
}

.selection-map li:last-child {
  padding-bottom: 0;
}

.selection-map li:not(:last-child)::after {
  position: absolute;
  top: 36px;
  bottom: 4px;
  left: 18px;
  width: 1px;
  background: var(--color-accent-line);
  content: "";
}

.selection-index {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--color-accent-line);
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font: 700 11px/1 var(--font-mono);
}

.selection-map strong {
  display: block;
  margin-top: 4px;
  margin-bottom: 3px;
}

.selection-map p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.download-tabs > .tab-list {
  position: sticky;
  z-index: 12;
  top: 12px;
  box-shadow: var(--shadow-card);
}

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

.download-tabs .tab-list svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.platform-panel {
  padding-top: 46px;
}

.platform-intro {
  display: grid;
  margin-bottom: 30px;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.platform-intro h3 {
  margin-bottom: 8px;
}

.platform-intro p {
  max-width: 820px;
  margin-bottom: 0;
  color: var(--color-muted);
}

.platform-heading-icon {
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, var(--color-accent), var(--color-sky));
  color: var(--color-bg);
  box-shadow: var(--shadow-button);
}

.platform-heading-icon svg {
  width: 25px;
  height: 25px;
}

.download-card {
  gap: 28px;
}

.architecture-label {
  display: inline-flex;
  min-height: 34px;
  max-width: 100%;
  align-items: center;
  padding: 5px 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-muted);
  font: 700 12px/1.2 var(--font-mono);
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.package-option {
  display: flex;
  min-height: 310px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  flex-direction: column;
}

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

.package-option h4 {
  margin-top: 5px;
  font-size: 20px;
}

.package-option p {
  margin-bottom: 24px;
  color: var(--color-muted);
}

.package-kicker {
  color: var(--color-accent-dark);
  font-size: 12px;
  font-weight: 800;
}

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

.package-filename {
  display: block;
  max-width: 100%;
  margin-top: 12px;
  overflow-wrap: anywhere;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.55;
  text-align: center;
}

.requirements-block {
  margin-top: 40px;
}

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

.platform-panel > .callout {
  margin-top: 30px;
  margin-bottom: 0;
}

.android-card-stack {
  display: grid;
  gap: 24px;
}

.client-description {
  max-width: 880px;
  margin: -8px 0 0;
  color: var(--color-muted);
}

.arm-downloads {
  display: grid;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.8fr);
  gap: 18px 28px;
  align-items: center;
}

.arm-downloads h4 {
  margin-bottom: 6px;
}

.arm-downloads p {
  margin-bottom: 0;
  color: var(--color-muted);
}

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

.arm-actions .button {
  min-height: 50px;
  padding-inline: 16px;
}

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

.arm-filenames .package-filename {
  margin-top: 0;
}

.install-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.install-step {
  position: relative;
  min-height: 330px;
  padding: 26px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-bg);
  box-shadow: var(--shadow-card);
}

.install-step::after {
  position: absolute;
  right: -28px;
  bottom: -50px;
  width: 120px;
  height: 120px;
  border: 1px solid var(--color-accent-line);
  border-radius: 50%;
  content: "";
}

.install-step-number {
  display: inline-flex;
  margin-bottom: 50px;
  color: var(--color-accent-dark);
  font: 800 13px/1 var(--font-mono);
}

.install-step h3 {
  font-size: 21px;
}

.install-step p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 15px;
}

.post-install-panel {
  display: grid;
  margin-top: 24px;
  grid-template-columns: minmax(250px, 0.7fr) minmax(0, 1.3fr);
  gap: 30px 56px;
  align-items: start;
}

.post-install-panel ol {
  margin-bottom: 0;
}

.post-install-panel li {
  margin-bottom: 10px;
  color: var(--color-muted);
}

.post-install-panel .button-row {
  grid-column: 2;
}

.identifier-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.identifier-code {
  display: inline-flex;
  max-width: 100%;
  margin-bottom: 28px;
  overflow-wrap: anywhere;
  color: var(--color-accent-dark);
  font-size: 13px;
  font-weight: 700;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(40px, 7vw, 90px);
  align-items: start;
}

.faq-heading {
  position: sticky;
  top: 24px;
}

.faq-heading .lead {
  font-size: 17px;
}

@media (max-width: 1080px) {
  .install-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .install-step {
    min-height: 280px;
  }
}

@media (max-width: 980px) {
  .download-hero-layout {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .selection-map {
    max-width: 680px;
    transform: none;
  }

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

  .package-option {
    min-height: 0;
  }

  .arm-downloads {
    grid-template-columns: 1fr;
  }

  .arm-filenames {
    grid-column: 1;
  }

  .post-install-panel,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .post-install-panel .button-row {
    grid-column: 1;
  }

  .faq-heading {
    position: static;
  }
}

@media (max-width: 700px) {
  .download-hero::before {
    top: auto;
    right: -25%;
    bottom: 2%;
    width: 90%;
    height: 30%;
  }

  .selection-map {
    padding: 22px;
  }

  .download-tabs > .tab-list {
    position: static;
  }

  .download-tabs .tab-list [role="tab"] {
    padding-inline: 15px;
  }

  .platform-intro {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 14px;
  }

  .platform-heading-icon {
    width: 46px;
    height: 46px;
  }

  .platform-heading-icon svg {
    width: 21px;
    height: 21px;
  }

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

  .install-step {
    min-height: 0;
  }

  .install-step-number {
    margin-bottom: 32px;
  }

  .arm-actions,
  .arm-filenames {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .download-hero-copy .badge-row {
    margin-top: 24px;
  }

  .selection-map li {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 11px;
  }

  .selection-index {
    width: 34px;
    height: 34px;
  }

  .selection-map li:not(:last-child)::after {
    top: 34px;
    left: 16px;
  }

  .platform-panel {
    padding-top: 34px;
  }

  .platform-intro {
    grid-template-columns: 1fr;
  }

  .download-card {
    padding: 20px;
  }

  .package-option,
  .install-step {
    padding: 21px;
  }

  .package-button,
  .arm-actions .button {
    width: 100%;
  }

  .post-install-panel {
    padding: 22px;
  }
}