:root {
  --download-hero-space: clamp(58px, 8vw, 108px);
  --download-card-gap: 20px;
  --download-icon-size: 52px;
  --download-table-min: 820px;
}

.download-hero {
  padding-top: var(--download-hero-space);
  padding-bottom: var(--download-hero-space);
}

.download-hero::before {
  position: absolute;
  z-index: -1;
  top: -30%;
  right: -18%;
  width: min(72vw, 980px);
  height: min(72vw, 980px);
  border-radius: var(--radius-pill);
  background: var(--gradient-glow);
  content: "";
  pointer-events: none;
}

.download-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  gap: clamp(38px, 7vw, 92px);
  align-items: center;
}

.download-hero-copy h1 {
  max-width: 760px;
  margin-top: 24px;
  font-size: clamp(36px, 4vw, 48px);
}

.download-lead {
  max-width: 710px;
  margin-bottom: 28px;
  color: var(--color-muted);
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.72;
}

.download-lead strong {
  color: var(--color-ink);
}

.download-fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 28px;
}

.download-fact-row span {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  background: var(--color-page);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

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

.download-guide-head {
  display: flex;
  align-items: center;
  gap: 15px;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 22px;
}

.download-guide-head strong,
.download-guide-head span {
  display: block;
}

.download-guide-head strong {
  font-family: var(--font-display);
  font-size: 19px;
}

.download-guide-head span {
  color: var(--color-muted);
  font-size: 13px;
}

.download-guide-icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--gradient-brand-accessible);
  color: var(--color-white-text);
}

.download-guide-icon svg {
  width: 23px;
  height: 23px;
}

.download-guide-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 8px 0 0;
  list-style: none;
}

.download-guide-list li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 13px;
  border-bottom: 1px solid var(--color-line);
  padding: 18px 0;
}

.download-guide-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.download-guide-list li > span {
  color: var(--color-brand-deep);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.download-guide-list strong {
  display: block;
  margin-bottom: 4px;
}

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

.section-heading {
  max-width: 800px;
  margin-bottom: 38px;
}

.section-heading h2 {
  margin-top: 18px;
}

.section-heading > p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 17px;
}

.download-tabs .tab-list {
  margin-bottom: 34px;
}

.download-tabs .tab-list svg {
  width: 17px;
  height: 17px;
}

.download-tabs .tab-list button:last-child svg {
  width: 15px;
  height: 18px;
}

.platform-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, 0.65fr);
  gap: 28px;
  align-items: start;
  margin-bottom: 26px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 34px);
  background: var(--color-panel);
}

.platform-intro h3 {
  margin-bottom: 9px;
}

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

.system-table {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-page);
}

.system-table span {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 14px;
  color: var(--color-muted);
  font-size: 13px;
}

.system-table span + span {
  border-top: 1px solid var(--color-line);
}

.system-table strong {
  color: var(--color-ink);
}

.download-card {
  grid-template-columns: minmax(0, 1fr) minmax(250px, 320px);
  padding: clamp(22px, 3vw, 30px);
}

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

.download-card-archived {
  background: var(--color-panel);
}

.client-icon {
  width: var(--download-icon-size);
  height: var(--download-icon-size);
  flex: 0 0 var(--download-icon-size);
}

.download-card-copy p {
  max-width: 700px;
}

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

.download-card-actions .button {
  width: 100%;
}

.download-main-action {
  min-height: 50px;
  padding-inline: 20px;
}

.download-card-actions .button-secondary {
  min-height: 44px;
}

.official-site-line {
  margin-top: 10px;
  color: var(--color-muted);
}

.official-site-line a {
  color: var(--color-brand-deep);
  font-family: var(--font-mono);
  font-weight: 700;
}

.kernel-panel {
  position: relative;
  overflow: hidden;
}

.kernel-panel::after {
  position: absolute;
  top: -110px;
  right: -110px;
  width: 280px;
  height: 280px;
  border-radius: var(--radius-pill);
  background: var(--gradient-glow);
  content: "";
  pointer-events: none;
}

.kernel-heading {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr);
  gap: 38px;
  align-items: end;
  margin-bottom: 34px;
}

.kernel-heading h2 {
  margin-top: 18px;
  margin-bottom: 0;
}

.kernel-heading > p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.kernel-table-wrap {
  position: relative;
  z-index: 1;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-page);
  box-shadow: var(--shadow-card);
  -webkit-overflow-scrolling: touch;
}

.kernel-table {
  min-width: var(--download-table-min);
}

.kernel-table th {
  font-size: 13px;
}

.kernel-table td {
  color: var(--color-muted);
  font-size: 14px;
}

.kernel-table td:first-child {
  color: var(--color-ink);
  font-weight: 700;
}

.kernel-link {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  background: var(--color-brand-deep);
  color: var(--color-white-text);
  font-weight: 700;
  white-space: nowrap;
}

.kernel-notes {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.kernel-notes article {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 23px;
  background: var(--color-page);
  box-shadow: var(--shadow-card);
}

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

.kernel-notes p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.install-flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  background: var(--color-line);
  gap: 1px;
}

.install-step {
  padding: clamp(26px, 4vw, 42px);
  background: var(--color-page);
}

.install-step-number {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--color-brand-deep);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.install-step h3 {
  font-size: 22px;
}

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

.faq-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(36px, 7vw, 84px);
  align-items: start;
}

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

.faq-heading h2 {
  margin-top: 18px;
}

.faq-heading p {
  color: var(--color-muted);
}

@media (max-width: 980px) {
  .download-hero-grid,
  .platform-intro,
  .kernel-heading,
  .faq-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .download-guide {
    max-width: 720px;
  }

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

  .download-card-actions {
    max-width: 520px;
  }

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

  .faq-heading {
    position: static;
  }
}

@media (max-width: 640px) {
  .download-hero {
    padding-top: 46px;
    padding-bottom: 58px;
  }

  .download-hero-grid {
    gap: 34px;
  }

  .download-hero-copy h1 {
    font-size: clamp(27px, 8vw, 30px);
  }

  .download-lead {
    font-size: 16px;
  }

  .download-guide {
    padding: 22px 18px;
  }

  .download-guide-list li {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .platform-intro {
    padding: 22px 18px;
  }

  .system-table span {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .download-card-main {
    align-items: flex-start;
    flex-direction: row;
  }

  .download-card {
    padding: 21px 18px;
  }

  .download-card-copy h3 {
    font-size: 20px;
  }

  .download-card-actions {
    max-width: none;
  }

  .download-card-actions .button {
    white-space: normal;
  }

  .kernel-heading {
    gap: 18px;
  }

  .kernel-notes article {
    padding: 20px 18px;
  }

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

  .faq-layout {
    gap: 30px;
  }
}

@media (max-width: 420px) {
  .download-card-main {
    flex-direction: column;
  }

  .download-fact-row span {
    font-size: 11px;
  }
}