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

.download-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  border-radius: var(--radius-window);
  background: var(--color-panel);
  padding: clamp(26px, 5vw, 54px);
}

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

.download-hero-copy h1 {
  max-width: 700px;
}

.download-facts {
  margin-top: 24px;
}

.download-guide-panel {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-page);
  padding: clamp(22px, 3vw, 30px);
  box-shadow: var(--shadow-card);
}

.choice-route {
  display: grid;
  gap: 18px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: choice-route;
}

.choice-route li {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 12px;
  counter-increment: choice-route;
}

.choice-route li::before {
  display: grid;
  width: 34px;
  height: 34px;
  grid-row: 1 / span 2;
  place-items: center;
  border-radius: 50%;
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
  content: counter(choice-route);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.choice-route b {
  align-self: center;
  font-size: 15px;
}

.choice-route span {
  grid-column: 2;
  margin-top: 2px;
  color: var(--color-ink-muted);
  font-size: 13px;
  line-height: 1.55;
}

.download-tabs {
  border-radius: var(--radius-window);
}

.platform-tab-list {
  position: sticky;
  top: 8px;
  z-index: 25;
}

.platform-tab-list [role="tab"] {
  gap: 8px;
  flex: 1 0 auto;
}

.platform-tab-list svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.platform-intro {
  display: grid;
  grid-template-columns: minmax(220px, .72fr) minmax(0, 1.28fr);
  gap: 28px;
  align-items: end;
  margin: 22px 0 28px;
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  padding: clamp(22px, 4vw, 34px);
}

.platform-intro h2 {
  margin: 5px 0 0;
  font-size: clamp(26px, 3vw, 36px);
}

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

.platform-kicker {
  color: var(--color-brand-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.download-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.download-card-grid-single {
  grid-template-columns: minmax(0, 760px);
}

.download-card {
  min-height: 390px;
}

.download-card-primary {
  border-color: var(--color-brand);
}

.client-logo {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
}

.download-card-body p {
  margin-bottom: 14px;
}

.client-points {
  margin: 0;
  padding-left: 1.2em;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.client-points li + li {
  margin-top: 5px;
}

.download-card-actions {
  align-items: stretch;
}

.download-card-actions .button-primary {
  min-height: 50px;
  flex-basis: 100%;
  width: 100%;
}

.download-card-actions .button-secondary,
.download-card-actions .button-outline {
  min-height: 46px;
}

.requirements-block {
  margin-top: 28px;
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  padding: clamp(22px, 4vw, 32px);
}

.requirements-block h3 {
  font-size: 22px;
}

.requirements-block .table-wrap {
  background: var(--color-page);
}

.requirements-block table {
  margin: 0;
}

.core-download-shell {
  border-radius: var(--radius-window);
  background: var(--color-panel);
  padding: clamp(24px, 5vw, 48px);
}

.core-download-head {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
  gap: 28px;
  align-items: start;
}

.core-download-head .section-heading {
  margin-bottom: 0;
}

.core-download-head .callout {
  margin: 0;
}

.core-table-wrap {
  margin-top: 32px;
  background: var(--color-page);
}

.core-table {
  min-width: 760px;
  margin: 0;
}

.core-table td:last-child {
  width: 110px;
}

.core-button {
  min-height: 38px;
  padding: 7px 15px;
  white-space: nowrap;
}

.core-notes {
  margin-top: 24px;
}

.core-notes .panel {
  min-height: 100%;
}

.core-notes h3 {
  font-size: 19px;
}

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

.install-step {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-page);
  padding: 22px;
  box-shadow: var(--shadow-small);
}

.install-step-number {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 50%;
  background: var(--color-brand);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
}

.install-step h3 {
  margin-bottom: 7px;
  font-size: 21px;
}

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

.install-flow-actions {
  margin-top: 26px;
}

@media (max-width: 880px) {
  .download-hero-grid,
  .core-download-head {
    grid-template-columns: 1fr;
  }

  .download-guide-panel {
    max-width: 620px;
  }

  .download-card-grid {
    grid-template-columns: 1fr;
  }

  .download-card-grid-single {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .download-hero-grid {
    padding: 22px;
  }

  .download-facts {
    margin-top: 18px;
  }

  .platform-tab-list {
    top: 6px;
  }

  .platform-tab-list [role="tab"] {
    flex: 0 0 auto;
  }

  .platform-intro {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .download-card {
    min-height: 0;
  }

  .download-card-actions .button,
  .download-card-actions .button-primary,
  .download-card-actions .button-secondary,
  .download-card-actions .button-outline {
    flex: 1 1 100%;
    width: 100%;
  }

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

  .core-download-shell {
    padding: 20px;
  }

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

  .install-step {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 13px;
    padding: 18px;
  }

  .install-step-number {
    width: 40px;
    height: 40px;
  }

  .install-step h3 {
    font-size: 19px;
  }
}