.download-hero {
  position: relative;
  padding-top: clamp(64px, 8vw, 108px);
  padding-bottom: clamp(58px, 7vw, 92px);
  overflow-x: clip;
  border-bottom: 1px solid var(--color-line);
  background:
    radial-gradient(circle at 82% 22%, var(--color-blue-glow), transparent 32%),
    linear-gradient(var(--color-canvas), var(--color-panel));
}

.download-hero::before,
.download-hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border: 1px solid var(--color-brand-line);
}

.download-hero::before {
  top: 42px;
  right: 7%;
  width: 250px;
  height: 150px;
  border-radius: var(--radius-xlarge);
}

.download-hero::after {
  right: 18%;
  bottom: 36px;
  width: 124px;
  height: 76px;
  border-radius: var(--radius-large);
}

.download-hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
}

.download-hero-copy {
  max-width: 760px;
}

.download-hero h1 {
  max-width: 720px;
  font-size: clamp(34px, 4.2vw, 48px);
}

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

.download-fact-row {
  margin-top: 26px;
}

.download-selector {
  position: relative;
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-brand-line);
  border-radius: var(--radius-xlarge);
  background: var(--color-line);
  box-shadow: var(--shadow-lift);
}

.selector-head {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 16px;
  padding: 21px 22px;
  background: var(--color-canvas);
}

.selector-index {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-brand-soft);
  color: var(--color-brand-deep);
  font: 800 12px/1 var(--font-mono);
}

.selector-head div {
  min-width: 0;
}

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

.selector-head div > span {
  margin-top: 3px;
  color: var(--color-ink-muted);
  font-size: 13px;
}

.download-main {
  background: var(--color-canvas);
}

.download-tabs {
  min-width: 0;
}

.platform-tab-list {
  position: sticky;
  z-index: 20;
  top: 10px;
  margin-bottom: 38px;
  box-shadow: var(--shadow-soft);
}

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

.platform-tab-list svg {
  width: 18px;
  height: 18px;
}

.platform-panel {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
}

.platform-intro {
  margin-bottom: 28px;
}

.platform-title-line {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

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

.platform-title-line p {
  max-width: 760px;
  margin: 0;
  color: var(--color-ink-muted);
}

.platform-symbol {
  display: grid;
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--color-brand-line);
  border-radius: var(--radius-medium);
  background: var(--color-brand-soft);
  color: var(--color-brand);
}

.platform-symbol svg {
  width: 23px;
  height: 23px;
}

.platform-symbol-linux svg {
  width: 26px;
  height: 30px;
}

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

.android-client-grid {
  align-items: start;
}

.download-card {
  padding: clamp(24px, 4vw, 36px);
}

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

.client-logo {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
}

.client-version {
  display: block;
  margin-top: 4px;
  color: var(--color-ink-muted);
  font-size: 12px;
}

.client-version strong {
  color: var(--color-brand-deep);
  font-family: var(--font-mono);
}

.package-choice {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(190px, .34fr);
  align-items: center;
  gap: 24px;
  margin-top: 18px;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-panel);
}

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

.package-copy {
  min-width: 0;
}

.package-copy h4 {
  margin: 4px 0 7px;
}

.package-copy p {
  margin-bottom: 10px;
  font-size: 14px;
}

.package-copy code,
.filename-list code {
  display: block;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.package-label {
  display: block;
  color: var(--color-brand-deep);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
}

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

.linux-package-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.linux-package-grid .package-choice {
  grid-template-columns: 1fr;
  align-content: space-between;
  margin-top: 0;
}

.architecture-alternatives {
  margin-top: 18px;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-panel);
}

.architecture-alternatives h4 {
  margin-bottom: 7px;
}

.architecture-alternatives p {
  margin-bottom: 14px;
}

.architecture-alternatives .download-actions .button {
  min-height: 48px;
  flex: 1 1 220px;
}

.filename-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin-top: 14px;
}

.requirements-block {
  margin-top: 38px;
}

.requirements-block h3 {
  margin-bottom: 18px;
  font-size: 22px;
}

.platform-panel > .callout {
  margin-top: 24px;
}

.install-notes {
  border-top: 1px solid var(--color-line);
  background: var(--color-panel);
}

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

.decision-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: clamp(20px, 4vw, 54px);
  padding-top: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--color-line);
}

.decision-number {
  color: var(--color-brand);
  font: 800 18px/1.3 var(--font-mono);
}

.decision-item h3 {
  margin-bottom: 10px;
  font-size: 23px;
}

.decision-item p {
  max-width: 850px;
  margin: 0;
  color: var(--color-ink-muted);
}

.after-download {
  background: var(--color-canvas);
}

.after-download-layout {
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr);
  gap: clamp(40px, 8vw, 110px);
  align-items: start;
}

.after-download-layout .section-heading {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  margin-bottom: 0;
}

.setup-sequence {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: download-step;
}

.setup-sequence li {
  position: relative;
  min-height: 116px;
  padding: 0 0 32px 72px;
  counter-increment: download-step;
}

.setup-sequence li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 44px;
  bottom: 8px;
  left: 22px;
  width: 1px;
  background: var(--color-brand-line);
}

.setup-sequence li::before {
  content: counter(download-step);
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-brand);
  color: var(--color-white-text);
  font: 800 13px/1 var(--font-mono);
  box-shadow: var(--shadow-soft);
}

.setup-sequence strong {
  display: block;
  margin-bottom: 7px;
  font-size: 18px;
}

.setup-sequence p {
  margin: 0;
  color: var(--color-ink-muted);
}

.after-download-actions {
  grid-column: 2;
  margin-top: 8px;
}

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

.download-faq .faq-list {
  background: var(--color-canvas);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
}

.download-faq .faq-item {
  padding-inline: clamp(18px, 4vw, 30px);
}

.download-faq .faq-item:last-child {
  border-bottom: 0;
}

.faq-more {
  margin: 28px 0 0;
}

@media (max-width: 960px) {
  .download-hero-layout,
  .after-download-layout {
    grid-template-columns: 1fr;
  }

  .download-selector {
    max-width: 680px;
  }

  .after-download-layout .section-heading {
    position: static;
  }

  .after-download-actions {
    grid-column: 1;
  }

  .android-client-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .download-hero {
    padding-top: 58px;
    padding-bottom: 64px;
  }

  .download-hero h1 {
    font-size: clamp(24px, 7.6vw, 30px);
  }

  .download-hero::before,
  .download-hero::after {
    display: none;
  }

  .platform-tab-list {
    position: relative;
    top: auto;
  }

  .platform-tab-list [role="tab"] {
    min-width: 128px;
  }

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

  .linux-package-grid,
  .filename-list {
    grid-template-columns: 1fr;
  }

  .decision-item {
    grid-template-columns: 46px minmax(0, 1fr);
  }
}

@media (max-width: 540px) {
  .selector-head {
    padding: 17px;
  }

  .platform-title-line {
    gap: 13px;
  }

  .platform-symbol {
    width: 44px;
    height: 44px;
  }

  .platform-symbol svg {
    width: 20px;
    height: 20px;
  }

  .download-card {
    padding: 21px;
  }

  .package-choice,
  .architecture-alternatives {
    padding: 18px;
  }

  .decision-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .setup-sequence li {
    padding-left: 58px;
  }

  .setup-sequence li:not(:last-child)::after {
    left: 18px;
  }

  .setup-sequence li::before {
    width: 38px;
    height: 38px;
  }

  .download-faq .faq-item {
    padding-inline: 16px;
  }
}