.stream-hero {
  position: relative;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.stream-hero::before {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 48%, var(--color-accent-glow-soft), transparent 34%);
  content: "";
  pointer-events: none;
}

.stream-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(480px, 1.12fr);
  gap: clamp(36px, 6vw, 88px);
  min-height: calc(100svh - var(--header-height));
  align-items: center;
}

.stream-hero-copy {
  position: relative;
  z-index: 2;
}

.stream-hero-copy h1 {
  max-width: 620px;
  margin-top: 22px;
}

.stream-lead {
  max-width: 620px;
  margin-bottom: 28px;
  font-size: 18px;
  line-height: 1.78;
}

.stream-actions {
  margin-bottom: 24px;
}

.stream-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.stream-reel {
  position: relative;
  min-height: 500px;
  padding: 0;
  overflow: hidden;
}

.stream-reel::after {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='130' height='130'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='2'/></filter><rect width='130' height='130' filter='url(%23g)' opacity='.05'/></svg>");
  content: "";
  pointer-events: none;
}

.reel-topline {
  position: absolute;
  top: 20px;
  right: 22px;
  left: 22px;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
}

.reel-map {
  position: absolute;
  top: 48px;
  left: 50%;
  width: min(100%, 620px);
  transform: translateX(-50%);
}

.reel-route {
  fill: none;
  stroke-linecap: round;
  stroke-width: 2;
}

.reel-route-muted {
  stroke: var(--color-arc);
}

.reel-route-accent {
  opacity: .68;
  stroke: var(--color-accent-strong);
}

.reel-node {
  fill: var(--color-success);
  stroke: var(--color-panel-raised);
  stroke-width: 5;
}

.reel-node-core {
  fill: var(--color-accent);
  filter: drop-shadow(0 0 9px var(--color-accent-glow));
}

.reel-ring {
  fill: none;
  opacity: .7;
  stroke: var(--color-accent);
  stroke-width: 1;
}

.reel-ring-outer {
  opacity: .24;
}

.reel-label,
.reel-center,
.reel-note {
  position: absolute;
  z-index: 4;
  font-family: var(--font-mono);
}

.reel-label {
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-panel-raised);
  color: var(--color-text-muted);
  font-size: 11px;
}

.reel-label-a {
  top: 124px;
  left: 20px;
}

.reel-label-b {
  top: 144px;
  right: 20px;
}

.reel-label-c {
  bottom: 117px;
  left: 20px;
}

.reel-label-d {
  right: 20px;
  bottom: 132px;
}

.reel-center {
  top: 240px;
  left: 50%;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
  transform: translate(-50%, 29px);
}

.reel-note {
  right: 20px;
  bottom: 20px;
  left: 20px;
  color: var(--color-text-muted);
  font-size: 11px;
  text-align: center;
}

.stream-document {
  position: relative;
}

.stream-section {
  padding-top: clamp(54px, 7vw, 92px);
  padding-bottom: clamp(54px, 7vw, 92px);
  border-bottom: 1px solid var(--color-border);
}

.stream-section .section-heading {
  max-width: 820px;
}

.stream-copy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
  gap: 32px;
  align-items: start;
}

.stream-copy-grid p,
.quality-copy p,
.stream-section > p {
  font-size: 17px;
  line-height: 1.82;
}

.stream-copy-grid .callout {
  margin: 0;
}

.stream-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 38px;
}

.stream-principle {
  position: relative;
  min-height: 100%;
  padding: 25px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
}

.principle-mark {
  display: inline-flex;
  width: 31px;
  height: 31px;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  border: 1px solid var(--color-accent-strong);
  border-radius: var(--radius-small);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
}

.stream-principle h3 {
  font-size: 21px;
}

.stream-principle p:last-child {
  margin-bottom: 0;
}

.stream-support-table {
  min-width: 940px;
}

.support-state {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--color-accent-strong);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.table-note {
  margin: 18px 0 0;
  font-size: 14px;
}

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

.ip-compare .panel {
  min-height: 100%;
}

.ip-label {
  margin-bottom: 34px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
}

.stream-checklist {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.stream-checklist li {
  position: relative;
  margin: 0;
  padding-left: 21px;
  color: var(--color-text-muted);
}

.stream-checklist li::before {
  position: absolute;
  top: .68em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  content: "";
}

.quality-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: start;
}

.quality-steps {
  display: grid;
  border-top: 1px solid var(--color-border);
}

.quality-steps article {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}

.quality-steps h3 {
  margin-bottom: 9px;
  font-size: 20px;
}

.quality-steps p {
  margin-bottom: 0;
}

.quality-step-label {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
}

.error-list {
  display: grid;
  border-top: 1px solid var(--color-border);
}

.error-row {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}

.error-kind {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

.error-row h3 {
  font-size: 21px;
}

.error-row p:last-child {
  margin-bottom: 0;
}

.workflow-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: workflow;
}

.workflow-list li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 20px;
  margin: 0;
  padding: 26px 0;
  border-top: 1px solid var(--color-border);
  counter-increment: workflow;
}

.workflow-list li:last-child {
  border-bottom: 1px solid var(--color-border);
}

.workflow-list li::before {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-accent-strong);
  border-radius: var(--radius-small);
  color: var(--color-accent);
  content: counter(workflow);
  font-family: var(--font-mono);
  font-size: 12px;
}

.workflow-list h3 {
  margin-bottom: 9px;
  font-size: 21px;
}

.workflow-list p {
  margin-bottom: 0;
}

.device-note {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  margin-top: 42px;
}

.device-note h3 {
  font-size: 24px;
}

.device-note p {
  margin-bottom: 0;
}

.stream-links {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(420px, 1.15fr);
  gap: clamp(36px, 7vw, 90px);
  align-items: end;
  padding-top: var(--section-space);
  padding-bottom: var(--section-space);
}

.stream-links h2 {
  font-size: clamp(32px, 4vw, 48px);
}

.stream-link-cards {
  display: grid;
  gap: 12px;
}

.stream-link-card {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) auto;
  gap: 18px;
  min-height: 76px;
  align-items: center;
  padding: 18px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.stream-link-card:hover {
  border-color: var(--color-accent-strong);
  transform: translateX(3px);
}

.stream-link-card > span:first-child {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
}

.stream-link-card > span:last-child {
  color: var(--color-accent);
  font-size: 22px;
}

@media (max-width: 1120px) {
  .stream-hero-grid {
    grid-template-columns: 1fr;
    padding-top: 72px;
    padding-bottom: 72px;
  }

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

  .stream-reel {
    width: 100%;
    max-width: 760px;
    min-height: 480px;
  }

  .stream-copy-grid,
  .quality-layout,
  .stream-links {
    grid-template-columns: 1fr;
  }

  .stream-links {
    align-items: start;
  }

  .stream-link-cards {
    max-width: 760px;
  }
}

@media (max-width: 820px) {
  .stream-principles {
    grid-template-columns: 1fr;
  }

  .ip-compare {
    grid-template-columns: 1fr;
  }

  .device-note {
    grid-template-columns: 1fr;
  }

  .device-note .btn {
    width: fit-content;
  }
}

@media (max-width: 700px) {
  .stream-hero::before {
    background: radial-gradient(circle at 80% 24%, var(--color-accent-glow-soft), transparent 38%);
  }

  .stream-hero-grid {
    min-height: calc(100svh - var(--header-height));
    align-content: center;
    padding-top: 42px;
    padding-bottom: 42px;
  }

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

  .stream-reel {
    display: none;
  }

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

  .error-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .workflow-list li {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
  }

  .workflow-list li::before {
    width: 36px;
    height: 36px;
  }

  .stream-link-card {
    grid-template-columns: 1fr auto;
  }

  .stream-link-card > span:first-child {
    grid-column: 1 / -1;
  }

  .device-note .btn {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .stream-facts {
    align-items: stretch;
    flex-direction: column;
  }

  .stream-facts .fact-chip {
    width: fit-content;
  }

  .stream-principle,
  .ip-compare .panel {
    padding: 20px;
  }

  .stream-link-card {
    gap: 10px;
    padding: 17px;
  }
}