.download-hero {
  position: relative;
  padding-top: clamp(76px, 10vw, 126px);
  padding-bottom: clamp(72px, 9vw, 112px);
  overflow-x: clip;
  background: linear-gradient(125deg, var(--hero-deep), var(--hero-mid) 62%, var(--hero-pale));
  color: var(--white);
}

.download-hero::before,
.download-hero::after {
  position: absolute;
  border-radius: var(--radius-pill);
  background: var(--hero-pill);
  content: "";
  pointer-events: none;
}

.download-hero::before {
  width: min(46vw, 620px);
  height: min(46vw, 620px);
  top: -36%;
  right: -8%;
}

.download-hero::after {
  width: min(28vw, 380px);
  height: min(28vw, 380px);
  bottom: -42%;
  left: -5%;
}

.download-hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: clamp(40px, 7vw, 88px);
  align-items: center;
}

.download-hero-copy,
.download-selector-card {
  min-width: 0;
}

.download-kicker {
  display: inline-flex;
  margin-bottom: 18px;
  align-items: center;
  gap: 9px;
  color: var(--hero-ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.download-kicker span {
  width: 9px;
  height: 9px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
  background: var(--cta);
  box-shadow: 0 0 0 6px var(--hero-pill);
}

.download-hero h1 {
  max-width: 720px;
  margin-bottom: 22px;
  color: var(--white);
  font-size: clamp(34px, 4.2vw, 48px);
}

.download-hero-lede {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--hero-ink);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.85;
}

.download-hero-lede strong {
  color: var(--white);
}

.download-fact-row {
  display: flex;
  max-width: 100%;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.download-fact-row span {
  display: inline-flex;
  max-width: 100%;
  min-height: 36px;
  align-items: center;
  padding: 7px 13px;
  overflow: hidden;
  border: 1px solid var(--hero-border);
  border-radius: var(--radius-pill);
  background: var(--hero-pill);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.download-selector-card {
  padding: 28px;
  border: 1px solid var(--hero-border);
  border-radius: var(--radius-panel);
  background: var(--bg);
  color: var(--text);
  box-shadow: var(--shadow-hero-panel);
}

.selector-card-top {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 14px;
}

.selector-index {
  display: grid;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  place-items: center;
  border-radius: var(--radius-small);
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.selector-track {
  width: 2px;
  height: 22px;
  margin: 5px 0 5px 18px;
  background: var(--border);
}

.download-selector-card p {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
}

.download-tab-shell {
  min-width: 0;
}

.download-platform-tabs {
  position: sticky;
  z-index: 30;
  top: 10px;
  padding: 9px;
  border: 1px solid var(--border);
  background: var(--bg);
  box-shadow: var(--shadow-card);
}

.download-platform-tabs [role="tab"] {
  display: inline-flex;
  min-width: 150px;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.platform-tab-icon {
  display: grid;
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  place-items: center;
  border-radius: var(--radius-small);
  background: var(--bg-panel-2);
  color: var(--accent-dark);
}

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

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

.platform-download-panel {
  padding-top: clamp(42px, 6vw, 72px);
}

.platform-panel-head {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.75fr);
  gap: clamp(26px, 5vw, 64px);
  margin-bottom: 34px;
  align-items: end;
}

.platform-panel-head > * {
  min-width: 0;
}

.platform-panel-head h2 {
  margin-bottom: 0;
}

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

.download-card-expanded {
  padding: clamp(24px, 4vw, 38px);
}

.download-card-expanded .download-card-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.download-card-expanded .download-card-head h3 {
  margin-bottom: 0;
}

.client-version {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.client-version strong {
  color: var(--accent-dark);
}

.package-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.package-choice {
  display: flex;
  min-width: 0;
  min-height: 100%;
  padding: 22px;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--bg-panel);
}

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

.package-choice-head {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 14px;
  margin-bottom: 12px;
}

.package-choice-head strong {
  color: var(--text);
  font-size: 18px;
}

.package-choice-head span {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.package-choice p {
  color: var(--text-muted);
  font-size: 14px;
}

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

.package-choice .download-filename {
  min-height: 35px;
}

.alternate-architecture {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
}

.alternate-architecture > a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  margin-top: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-small);
  background: var(--bg);
  color: var(--accent-dark);
  font-weight: 750;
  text-decoration: none;
}

.alternate-architecture > a:hover {
  background: var(--accent);
  color: var(--white);
}

.requirements-block {
  margin-top: 34px;
  padding: clamp(24px, 4vw, 38px);
  border-radius: var(--radius-card);
  background: var(--bg-panel);
}

.requirements-block h3 {
  margin-bottom: 22px;
}

.requirements-block .data-table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--bg);
}

.requirements-block .data-table {
  margin-bottom: 0;
}

.requirements-block .callout {
  margin-bottom: 0;
}

.android-client-stack {
  display: grid;
  gap: 28px;
}

.download-method-section {
  background: var(--bg);
}

.download-check-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.download-check-card {
  position: relative;
  padding-top: 78px;
}

.download-check-card:hover {
  transform: none;
}

.check-number {
  position: absolute;
  top: 24px;
  left: 26px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
}

.download-check-card h3 {
  font-size: 22px;
}

.download-check-card p {
  margin-bottom: 0;
  color: var(--text-muted);
}

.post-download-panel {
  display: grid;
  min-width: 0;
  margin-top: clamp(42px, 7vw, 76px);
  padding: clamp(26px, 5vw, 52px);
  grid-template-columns: minmax(220px, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(30px, 6vw, 72px);
  border-radius: var(--radius-panel);
  background: var(--bg-panel);
}

.post-download-panel > * {
  min-width: 0;
}

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

.post-download-steps {
  margin-bottom: 0;
  padding-left: 0;
  list-style: none;
  counter-reset: download-step;
}

.post-download-steps li {
  position: relative;
  min-height: 66px;
  padding: 0 0 24px 54px;
  counter-increment: download-step;
}

.post-download-steps li::before {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: var(--white);
  content: counter(download-step);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.post-download-steps li::after {
  position: absolute;
  top: 42px;
  bottom: 6px;
  left: 17px;
  width: 2px;
  background: var(--border);
  content: "";
}

.post-download-steps li:last-child::after {
  display: none;
}

.post-download-steps strong {
  display: block;
  margin-bottom: 5px;
  color: var(--text);
}

.post-download-steps p {
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 14px;
}

@media (max-width: 900px) {
  .download-hero-layout,
  .platform-panel-head,
  .post-download-panel {
    grid-template-columns: minmax(0, 1fr);
  }

  .download-selector-card {
    max-width: 620px;
  }

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

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

@media (max-width: 700px) {
  .download-platform-tabs [role="tab"] {
    min-width: 132px;
  }

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

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

  .platform-panel-head {
    align-items: start;
  }
}

@media (max-width: 640px) {
  .download-hero {
    padding-top: 58px;
    padding-bottom: 70px;
  }

  .download-hero h1 {
    font-size: clamp(24px, 7vw, 30px);
  }

  .download-selector-card {
    padding: 22px;
  }

  .download-fact-row {
    flex-direction: row;
  }

  .download-platform-tabs {
    top: 6px;
  }

  .download-platform-tabs [role="tab"] {
    min-width: 122px;
    padding-inline: 12px;
  }

  .requirements-block {
    padding: 22px;
  }

  .package-choice {
    padding: 19px;
  }

  .post-download-steps li {
    padding-left: 48px;
  }
}