.download-hero {
  position: relative;
  padding-top: clamp(44px, 7vw, 84px);
  padding-bottom: clamp(40px, 7vw, 76px);
  overflow-x: clip;
}

.download-hero::before {
  position: absolute;
  top: -180px;
  right: -180px;
  width: min(720px, 72vw);
  height: 620px;
  border-radius: var(--radius-pill);
  background: radial-gradient(closest-side, var(--color-accent-glow), transparent 72%);
  content: "";
  pointer-events: none;
}

.download-hero-copy {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin-inline: auto;
  text-align: center;
}

.download-hero h1 {
  max-width: 860px;
  margin: 22px auto 0;
  font-size: clamp(34px, 3.6vw, 48px);
}

.download-lead {
  max-width: 790px;
  margin: 20px auto 0;
  color: var(--color-text-muted);
  font-size: clamp(16px, 1.6vw, 19px);
}

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

.download-facts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 24px 0 0;
  padding: 0;
  gap: 10px;
  list-style: none;
}

.download-facts li {
  max-width: 100%;
  overflow: hidden;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  background: var(--color-panel-strong);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
}

.download-route-card {
  position: relative;
  height: clamp(210px, 27vw, 310px);
  margin-top: clamp(34px, 6vw, 62px);
  overflow: hidden;
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, var(--color-hero-a), var(--color-hero-b));
  box-shadow: var(--shadow-banner);
}

.download-route-card::before {
  position: absolute;
  top: -46%;
  left: -14%;
  width: 58%;
  height: 118%;
  border-radius: var(--radius-pill);
  background: radial-gradient(closest-side, var(--color-white-faint), transparent 72%);
  content: "";
}

.download-route-card svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.download-route-line {
  fill: none;
  stroke: var(--color-white-soft);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.download-route-node {
  fill: var(--color-white);
}

.download-route-halo {
  fill: none;
  stroke: var(--color-white);
  stroke-width: 3;
  opacity: 0.48;
}

.download-route-end {
  fill: var(--color-error);
}

.download-route-label {
  position: absolute;
  padding: 9px 13px;
  border-radius: var(--radius-sm);
  background: var(--color-canvas);
  color: var(--color-text);
  box-shadow: var(--shadow-chip);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
}

.route-label-start {
  bottom: 20px;
  left: 4%;
}

.route-label-end {
  top: 20px;
  right: 4%;
}

.download-tab-shell {
  grid-template-columns: minmax(210px, 0.55fr) minmax(0, 1.75fr);
}

.platform-tab-label {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 11px;
}

.platform-tab-label svg {
  width: 21px;
  height: 21px;
  flex-shrink: 0;
}

.download-panels {
  min-height: 760px;
}

.download-panel {
  display: grid;
  height: auto;
  gap: 30px;
  padding: clamp(24px, 4vw, 46px);
}

.download-panel[hidden] {
  display: none;
}

.platform-panel-head {
  max-width: 780px;
}

.platform-panel-head > :last-child {
  margin-bottom: 0;
}

.platform-panel-head h2 {
  font-size: clamp(27px, 2.7vw, 36px);
}

.platform-panel-head p:not(.kicker) {
  color: var(--color-text-muted);
}

.featured-client {
  background: var(--color-canvas);
}

.client-card-header img {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.client-card-header > div {
  display: grid;
  justify-items: start;
  gap: 7px;
}

.client-card p {
  margin-bottom: 0;
}

.package-choice {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 0.7fr);
  padding: 20px;
  align-items: center;
  gap: 20px;
  border-radius: var(--radius-md);
  background: var(--color-panel-strong);
}

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

.package-copy {
  display: grid;
  gap: 5px;
}

.package-copy strong {
  color: var(--color-text);
  font-size: 16px;
}

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

.package-primary,
.package-secondary {
  width: 100%;
  min-height: 50px;
}

.package-primary {
  box-shadow: var(--shadow-lift);
}

.package-secondary {
  box-shadow: var(--shadow-soft);
}

.client-version {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
}

.client-version span {
  color: var(--color-text);
  font-weight: 750;
}

.requirements-block {
  display: grid;
  gap: 16px;
}

.requirements-block h3 {
  margin-bottom: 0;
  font-size: 22px;
}

.android-client-stack {
  display: grid;
  gap: 26px;
}

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

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

.architecture-alternatives {
  padding: 22px;
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.architecture-alternatives h4 {
  margin-bottom: 5px;
}

.architecture-alternatives p {
  margin-bottom: 16px;
}

.decision-path {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.decision-path::before {
  position: absolute;
  top: 48px;
  right: 14%;
  left: 14%;
  height: 8px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-accent), var(--color-hero-b));
  content: "";
}

.decision-step {
  position: relative;
  display: grid;
  min-height: 270px;
  padding: clamp(24px, 3vw, 34px);
  align-content: start;
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.decision-number {
  position: relative;
  z-index: 1;
  display: grid;
  width: 58px;
  height: 58px;
  margin-bottom: 24px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-lift);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
}

.decision-step h3 {
  font-size: 23px;
}

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

.install-flow {
  position: relative;
  display: grid;
  max-width: 940px;
  margin-inline: auto;
  gap: 0;
}

.install-flow::before {
  position: absolute;
  top: 34px;
  bottom: 34px;
  left: 21px;
  width: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
}

.install-stage {
  position: relative;
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 24px;
}

.install-stage + .install-stage {
  padding-top: 30px;
}

.install-stage-marker {
  position: relative;
  z-index: 1;
  width: 50px;
  height: 50px;
  border: 14px solid var(--color-canvas);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: var(--glow-dot);
}

.install-stage-end {
  background: var(--color-error);
  box-shadow: 0 0 0 5px var(--color-error-wash);
}

.install-stage-body {
  padding: clamp(24px, 4vw, 38px);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.install-stage-body h3 {
  margin-top: 15px;
}

.install-stage-body p {
  color: var(--color-text-muted);
}

.install-stage-body > :last-child {
  margin-bottom: 0;
}

.next-guide {
  display: flex;
  margin-top: 44px;
  padding: clamp(26px, 5vw, 44px);
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, var(--color-hero-a), var(--color-hero-b));
  box-shadow: var(--shadow-banner);
}

.next-guide h3 {
  margin-bottom: 8px;
}

.next-guide p {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--color-text);
}

@media (max-width: 960px) {
  .download-tab-shell {
    grid-template-columns: 1fr;
  }

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

  .platform-tab-label {
    flex-direction: column;
    gap: 5px;
  }

  .linux-primary-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .download-hero h1 {
    font-size: clamp(26px, 7vw, 30px);
  }

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

  .decision-path {
    grid-template-columns: 1fr;
  }

  .decision-path::before {
    top: 28px;
    bottom: 28px;
    left: 23px;
    width: 8px;
    height: auto;
    background: var(--color-accent);
  }

  .decision-step {
    grid-template-columns: 58px minmax(0, 1fr);
    min-height: 0;
    gap: 18px;
  }

  .decision-number {
    margin-bottom: 0;
  }

  .next-guide {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .download-hero {
    padding-top: 30px;
    padding-bottom: 32px;
  }

  .download-route-card {
    height: 220px;
    border-radius: var(--radius-lg);
  }

  .download-route-label {
    font-size: 11px;
  }

  .route-label-start {
    bottom: 14px;
    left: 14px;
  }

  .route-label-end {
    top: 14px;
    right: 14px;
  }

  .download-tab-shell .tab-list {
    grid-template-columns: 1fr;
  }

  .platform-tab-label {
    flex-direction: row;
    gap: 9px;
  }

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

  .client-card {
    gap: 18px;
  }

  .client-card-header {
    align-items: flex-start;
  }

  .package-choice {
    padding: 17px;
  }

  .decision-step {
    grid-template-columns: 46px minmax(0, 1fr);
    padding: 20px 18px;
  }

  .decision-number {
    width: 46px;
    height: 46px;
  }

  .decision-path::before {
    left: 19px;
  }

  .install-stage {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
  }

  .install-flow::before {
    left: 15px;
    width: 7px;
  }

  .install-stage-marker {
    width: 38px;
    height: 38px;
    border-width: 11px;
  }

  .install-stage-body {
    padding: 22px 18px;
  }

  .next-guide .button {
    width: 100%;
  }
}

@media (max-width: 390px) {
  .download-facts {
    display: grid;
    grid-template-columns: 1fr;
  }

  .download-facts li {
    text-align: center;
  }

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

  .client-downloads .button {
    width: 100%;
  }
}