.download-hero {
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(var(--color-grid) 1px, var(--color-transparent) 1px),
    linear-gradient(90deg, var(--color-grid) 1px, var(--color-transparent) 1px),
    var(--color-bg);
  background-size: var(--space-7) var(--space-7);
}

.download-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.78fr);
  align-items: center;
  gap: var(--space-8);
}

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

.download-lead {
  max-width: 700px;
  margin-bottom: var(--space-4);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.65;
}

.download-fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.download-fact-row span {
  display: inline-flex;
  max-width: 100%;
  min-height: 34px;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  background: var(--color-bg);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  white-space: nowrap;
}

.package-index {
  border: 1px solid var(--color-border-strong);
  background: var(--color-bg);
}

.package-index-head,
.package-index a {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-4);
  align-items: center;
}

.package-index-head {
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-strong);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.package-index a {
  min-height: 64px;
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.package-index a:hover {
  background: var(--color-accent-soft);
  color: var(--color-text);
}

.package-index a span {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
}

.package-index a strong {
  overflow-wrap: anywhere;
}

.package-index-note {
  margin: 0;
  padding: var(--space-4) var(--space-5);
  color: var(--color-text-muted);
  font-size: 13px;
}

.section-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: var(--space-7);
  align-items: end;
  margin-bottom: var(--space-7);
}

.section-heading-row h2 {
  margin-bottom: 0;
}

.section-heading-copy {
  margin-bottom: 0;
}

.download-tabs {
  grid-template-columns: minmax(250px, 0.3fr) minmax(0, 1fr);
}

.platform-tab-list .tab-button {
  grid-template-columns: 48px minmax(0, 1fr);
  gap: var(--space-3);
  min-height: 76px;
}

.platform-tab-icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--color-border);
  background: var(--color-panel);
  color: var(--color-text-muted);
}

.platform-tab-icon svg {
  width: 19px;
  height: 19px;
}

.platform-tab-icon-tux svg {
  width: 18px;
  height: 22px;
}

.tab-button[aria-selected="true"] .platform-tab-icon {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.platform-tab-list .tab-number,
.platform-tab-list .tab-title {
  display: block;
}

.platform-tab-list .tab-number {
  margin-bottom: var(--space-1);
}

.platform-panels {
  min-width: 0;
}

.platform-panel {
  grid-column: 1;
  grid-row: 1;
  padding: clamp(24px, 4vw, 46px);
}

.platform-panel-head {
  display: grid;
  grid-template-columns: minmax(210px, 0.45fr) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.platform-panel-head h3,
.platform-panel-head p:last-child {
  margin-bottom: 0;
}

.platform-panel .client-card {
  margin-bottom: var(--space-6);
}

.client-card-head img {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
}

.client-card-title .badge {
  margin-bottom: var(--space-2);
}

.package-choice {
  margin-top: var(--space-5);
  padding: var(--space-5);
  border: 1px solid var(--color-border-strong);
  background: var(--color-panel);
}

.package-choice > div {
  margin-bottom: var(--space-4);
}

.package-choice strong {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 17px;
}

.package-choice p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.package-choice-secondary {
  border-color: var(--color-border);
  background: var(--color-bg);
}

.package-download {
  display: flex;
  width: 100%;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-accent-dark);
  background: var(--color-accent-dark);
  color: var(--color-bg);
  font-weight: 600;
}

.package-download:hover {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-bg);
}

.package-download-primary {
  min-height: 56px;
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.package-download-primary:hover {
  border-color: var(--color-accent-dark);
  background: var(--color-accent-dark);
}

.package-download span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.requirement-block {
  margin-top: var(--space-7);
}

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

.requirement-block table {
  min-width: 660px;
  font-size: 14px;
}

.requirement-block caption {
  font-family: var(--font-mono);
  font-size: 11px;
}

.android-client-stack {
  display: grid;
  gap: var(--space-6);
}

.android-client-stack .client-card {
  margin-bottom: 0;
}

.linux-primary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.architecture-alternatives {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.architecture-alternatives .download-options {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.selection-intro,
.faq-intro {
  max-width: 780px;
}

.decision-steps {
  margin: var(--space-7) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--color-border-strong);
}

.decision-steps li {
  margin: 0;
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border-strong);
}

.decision-steps li > div {
  display: grid;
  grid-template-columns: 72px minmax(160px, 0.42fr) minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
}

.decision-index {
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.decision-steps h3,
.decision-steps p {
  margin-bottom: 0;
}

.decision-steps p {
  color: var(--color-text-muted);
}

.install-notes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

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

.install-notes-grid h3 {
  margin-bottom: var(--space-3);
  font-size: 23px;
}

.install-notes-grid p:last-child {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.install-note-actions {
  margin-top: var(--space-6);
}

@media (max-width: 1080px) {
  .download-hero-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .package-index {
    max-width: 720px;
  }

  .download-tabs {
    grid-template-columns: minmax(210px, 0.3fr) minmax(0, 1fr);
    gap: var(--space-5);
  }

  .platform-panel-head {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
  }
}

@media (max-width: 768px) {
  .section-heading-row,
  .download-tabs {
    grid-template-columns: minmax(0, 1fr);
  }

  .section-heading-row {
    gap: var(--space-4);
  }

  .platform-tab-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .platform-tab-list .tab-button {
    grid-template-columns: 42px minmax(0, 1fr);
    min-height: 68px;
    padding: var(--space-3);
  }

  .platform-tab-icon {
    width: 34px;
    height: 34px;
  }

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

  .linux-primary-grid,
  .install-notes-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .decision-steps li > div {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .decision-steps p {
    grid-column: 2;
  }
}

@media (max-width: 640px) {
  .download-hero-layout {
    gap: var(--space-7);
  }

  .download-fact-row span {
    flex: 1 1 auto;
    justify-content: center;
  }

  .package-index-head,
  .package-index a {
    grid-template-columns: minmax(90px, 0.7fr) minmax(0, 1.3fr);
    padding-right: var(--space-4);
    padding-left: var(--space-4);
  }

  .platform-tab-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .platform-panel {
    padding: var(--space-5) var(--space-4);
  }

  .client-card-head {
    align-items: center;
  }

  .client-card-head img {
    width: 48px;
    height: 48px;
  }

  .package-choice {
    padding: var(--space-4);
  }

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

  .decision-steps li > div {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: var(--space-3);
  }

  .decision-steps p {
    grid-column: 1 / -1;
  }
}