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

.stream-hero::before {
  position: absolute;
  inset: 8% 4% auto;
  height: 520px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle at 72% 42%, var(--color-panel-deep), transparent 68%);
  content: "";
  pointer-events: none;
}

.stream-hero-inner {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  padding-top: clamp(62px, 9vw, 118px);
  padding-bottom: clamp(70px, 9vw, 112px);
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: clamp(42px, 7vw, 92px);
}

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

.stream-hero-copy .eyebrow {
  margin-top: 22px;
}

.stream-hero-copy h1 {
  max-width: 680px;
  margin-bottom: 24px;
}

.stream-hero-copy .lead {
  max-width: 650px;
}

.stream-actions {
  justify-content: flex-start;
}

.stream-trust {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: var(--color-text-soft);
  font-size: 13px;
}

.stream-trust span {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.stream-trust span::before {
  width: 7px;
  height: 7px;
  margin-right: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-success);
  content: "";
}

.stream-stage {
  position: relative;
  min-width: 0;
  padding: 22px 22px 68px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel-deep);
  box-shadow: var(--shadow-card);
}

.stage-screen {
  position: relative;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
}

.stage-label {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 4px 11px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.stage-screen svg {
  width: 100%;
  height: auto;
  margin-top: 8px;
}

.stage-route-main {
  fill: none;
  stroke: var(--color-accent);
  stroke-linecap: round;
  stroke-width: 4;
}

.stage-route-backup {
  fill: none;
  stroke: var(--color-accent);
  stroke-dasharray: 3 11;
  stroke-linecap: round;
  stroke-width: 3;
  opacity: 0.4;
}

.stage-halo {
  fill: var(--color-accent);
  opacity: 0.14;
  transform-box: fill-box;
  transform-origin: center;
  animation: stream-pulse 3.4s ease-in-out infinite;
}

.stage-node,
.stage-runner-dot {
  fill: var(--color-accent);
}

.stage-runner {
  offset-path: path("M38 214 C112 90 182 236 254 124 C328 12 394 188 474 94 C520 40 560 70 584 48");
  animation: stream-route 9s linear infinite;
}

.stage-runner-glow {
  fill: var(--color-accent);
  opacity: 0.18;
}

.stage-caption {
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 11px;
}

.stage-rail {
  position: absolute;
  right: 44px;
  left: 44px;
  height: 30px;
  display: flex;
  align-items: center;
  border-radius: var(--radius-pill);
  color: var(--color-text-soft);
  font-family: var(--font-mono);
  font-size: 10px;
}

.stage-rail span {
  padding-left: 18px;
}

.stage-rail-main {
  bottom: 42px;
  border-top: 3px solid var(--color-accent);
}

.stage-rail-backup {
  bottom: 14px;
  border-top: 2px dashed var(--color-accent);
  opacity: 0.48;
}

@keyframes stream-pulse {
  50% {
    opacity: 0.05;
    transform: scale(1.35);
  }
}

@keyframes stream-route {
  to {
    offset-distance: 100%;
  }
}

.streaming-toc-wrap {
  padding-top: 22px;
}

.streaming-document section[id] {
  scroll-margin-top: var(--toc-offset);
}

.section-toned {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel-deep);
}

.stream-support-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  text-align: left;
}

.stream-support-table th,
.stream-support-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.stream-support-table th {
  background: var(--color-panel-deep);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 800;
}

.stream-support-table td {
  color: var(--color-text-soft);
}

.stream-support-table td:first-child {
  color: var(--color-text);
  font-weight: 800;
  white-space: nowrap;
}

.stream-support-table tbody tr:last-child td {
  border-bottom: 0;
}

.support-dynamic {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 4px 11px;
  border: 1px solid var(--color-warning);
  border-radius: var(--radius-pill);
  color: var(--color-warning);
  font-size: 12px;
  white-space: nowrap;
}

.support-notes {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.support-note {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
}

.support-note h3 {
  font-size: 20px;
}

.support-note p {
  color: var(--color-text-soft);
}

.ip-compare {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  perspective: 1000px;
}

.ip-compare .card {
  transform-style: preserve-3d;
  will-change: transform;
}

.ip-compare h3 {
  margin-top: 18px;
}

.quality-checklist {
  margin: 32px 0;
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
}

.quality-checklist h3 {
  margin-bottom: 18px;
}

.quality-checklist ul {
  padding-left: 22px;
  display: grid;
  gap: 12px;
}

.error-groups {
  margin: 30px 0 38px;
  display: grid;
  gap: 14px;
}

.error-group {
  padding: 22px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
}

.error-group h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.error-group p {
  margin-bottom: 0;
}

.workflow-facts {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.next-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.next-link-card {
  min-width: 0;
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.next-link-card-accent {
  border-color: var(--color-accent);
  background: var(--color-panel-deep);
}

.next-link-card h2 {
  font-size: clamp(28px, 3.6vw, 42px);
}

.next-link-card p:not(.eyebrow) {
  margin-bottom: 26px;
  color: var(--color-text-soft);
}

@media (max-width: 980px) {
  .stream-hero-inner {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
  }

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

  .stream-stage {
    max-width: 760px;
  }
}

@media (max-width: 768px) {
  .stream-hero-inner {
    padding-top: 54px;
    padding-bottom: 70px;
  }

  .support-notes,
  .ip-compare,
  .next-links {
    grid-template-columns: minmax(0, 1fr);
  }

  .stream-stage {
    padding: 14px 14px 60px;
  }

  .stage-screen {
    padding: 14px;
  }

  .stage-rail {
    right: 28px;
    left: 28px;
  }
}

@media (max-width: 640px) {
  .stream-actions {
    width: 100%;
  }

  .stream-actions .btn-primary,
  .stream-actions .btn-secondary {
    width: 100%;
  }

  .stream-stage {
    overflow: hidden;
  }

  .stage-screen svg {
    width: 620px;
    max-width: none;
    transform: translateX(-72px);
  }

  .stage-caption {
    font-size: 10px;
  }

  .stream-trust {
    display: grid;
    gap: 8px;
  }

  .quality-checklist,
  .error-group,
  .support-note {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .stage-halo,
  .stage-runner {
    animation: none;
  }

  .stage-runner {
    offset-distance: 46%;
  }
}