.stream-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border);
}

.stream-hero::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 78% 34%, var(--color-accent-faint), transparent 48%),
    linear-gradient(90deg, transparent, var(--color-table-stripe), transparent);
  content: "";
}

.stream-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  min-height: 680px;
}

.stream-hero-copy {
  min-width: 0;
}

.stream-hero-copy .eyebrow {
  margin-top: 1.5rem;
}

.stream-hero-copy h1 {
  max-width: 11ch;
  margin-bottom: 0;
}

.stream-lead {
  max-width: 58ch;
  margin-top: 1.5rem;
  color: var(--color-text-muted);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
}

.stream-actions {
  margin-top: 1.8rem;
}

.stream-routing {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding: 1.4rem;
}

.stream-routing::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(var(--color-border) 0.6px, transparent 0.6px);
  background-size: 6px 6px;
  opacity: 0.22;
  content: "";
}

.stream-routing > * {
  position: relative;
  z-index: 1;
}

.stream-routing-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.9rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.stream-routing-svg {
  width: 100%;
  height: auto;
  margin-top: 1rem;
}

.stream-grid-line {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 1;
}

.stream-copper-path {
  fill: none;
  stroke: var(--color-accent);
  stroke-linecap: round;
  stroke-width: 4;
  filter: drop-shadow(0 0 8px var(--color-accent-glow));
}

.stream-node-shell {
  fill: var(--color-panel);
  stroke: var(--color-accent);
  stroke-width: 2;
}

.stream-node-core {
  fill: var(--color-accent);
  filter: drop-shadow(0 0 6px var(--color-accent-glow));
}

.stream-terminal {
  fill: var(--color-panel-raised);
  stroke: var(--color-border-strong);
  stroke-width: 2;
}

.stream-routing-labels {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.6rem;
  border-top: 1px solid var(--color-border);
  padding-top: 0.9rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-align: center;
}

.stream-guide {
  color: var(--color-text-muted);
}

.stream-guide h2,
.stream-guide h3 {
  color: var(--color-text);
}

.stream-layer-list {
  display: grid;
  gap: 0;
  margin-top: 2.5rem;
  margin-bottom: 2rem;
  border-top: 1px solid var(--color-border);
}

.stream-layer {
  display: grid;
  grid-template-columns: minmax(90px, 0.25fr) minmax(0, 1fr);
  gap: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  padding-top: 1.6rem;
  padding-bottom: 1.6rem;
}

.stream-layer-code {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.stream-layer h3 {
  font-size: 1.2rem;
}

.stream-support {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.stream-table-wrap {
  margin-top: 2rem;
  box-shadow: var(--shadow-card);
}

.support-state {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  padding: 0.25rem 0.7rem;
  font-size: 0.76rem;
  font-weight: 750;
  white-space: nowrap;
}

.stream-table-note {
  max-width: 82ch;
  margin-top: 1.5rem;
  color: var(--color-text-muted);
}

.stream-quality {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.stream-quality-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
}

.stream-quality-grid > div:first-child {
  grid-column: 1 / 13;
  margin-bottom: 1rem;
}

.stream-quality-panel {
  grid-column: span 6;
  min-width: 0;
  padding: clamp(1.4rem, 3vw, 2rem);
}

.stream-quality-panel h3 {
  font-size: 1.18rem;
}

.stream-errors {
  margin-top: 2rem;
}

.stream-errors p {
  margin-bottom: 0;
}

.stream-workflow {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(90deg, transparent, var(--color-accent-soft), transparent),
    var(--color-panel);
}

.stream-workflow-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(2rem, 6vw, 6rem);
}

.stream-checklist {
  border-top: 1px solid var(--color-border);
}

.stream-checklist section {
  border-bottom: 1px solid var(--color-border);
  padding-top: 1.4rem;
  padding-bottom: 1.4rem;
}

.stream-checklist h3 {
  margin-bottom: 0.5rem;
  font-size: 1.12rem;
}

.stream-next p {
  max-width: 68ch;
  color: var(--color-text-muted);
}

.stream-next .button-row {
  margin-top: 1.5rem;
}

@media (max-width: 980px) {
  .stream-hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .stream-routing {
    min-height: 0;
  }

  .stream-workflow-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .stream-hero-grid {
    gap: 2.5rem;
  }

  .stream-hero-copy h1 {
    max-width: 12ch;
  }

  .stream-layer {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .stream-quality-panel {
    grid-column: 1 / 13;
  }
}

@media (max-width: 640px) {
  .stream-routing {
    padding: 1rem;
  }

  .stream-routing-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .stream-routing-labels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    text-align: left;
  }

  .stream-routing-labels span {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .stream-next .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .stream-next .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .stream-quality-panel {
    transform: none;
  }
}