.streaming-hero {
  position: relative;
  padding-top: clamp(56px, 8vw, 104px);
  padding-bottom: clamp(64px, 8vw, 112px);
  overflow-x: clip;
  background:
    radial-gradient(circle at 18% 12%, var(--color-glow), var(--color-transparent) 32%),
    radial-gradient(circle at 82% 72%, var(--color-glow-soft), var(--color-transparent) 30%);
}

.streaming-hero-copy {
  max-width: 860px;
  margin-inline: auto;
  text-align: center;
}

.streaming-hero h1 {
  max-width: 820px;
  margin: 18px auto 0;
}

.streaming-lead {
  max-width: 760px;
  margin: 20px auto 0;
  font-size: clamp(17px, 1.8vw, 20px);
}

.streaming-actions {
  justify-content: center;
  margin-top: 28px;
}

.streaming-facts {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 20px;
}

.media-map {
  position: relative;
  max-width: 1080px;
  margin: clamp(42px, 6vw, 72px) auto 0;
  overflow: hidden;
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(var(--color-grid-strong) 1px, var(--color-transparent) 1px),
    linear-gradient(90deg, var(--color-grid-strong) 1px, var(--color-transparent) 1px),
    linear-gradient(145deg, var(--color-panel-raised), var(--color-bg-deep));
  background-size: 42px 42px, 42px 42px, 100% 100%;
  box-shadow: var(--shadow-panel), var(--shadow-inset);
}

.media-map::before {
  content: "";
  position: absolute;
  top: -180px;
  left: 8%;
  width: 520px;
  height: 320px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-glow), var(--color-transparent) 70%);
  pointer-events: none;
}

.media-map-head,
.media-map-foot {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
}

.media-map-head {
  justify-content: space-between;
  min-height: 48px;
  padding-inline: 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-white-soft);
}

.media-map-foot {
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  min-height: 48px;
  padding: 10px 18px;
  border-top: 1px solid var(--color-border);
}

.media-map-foot span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.media-map-foot span::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--color-accent-dark);
}

.media-map-body {
  position: relative;
  min-height: 330px;
}

.media-source {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 36px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  column-gap: 10px;
  transform: translateY(-50%);
}

.media-source strong,
.media-source small {
  grid-column: 2;
}

.media-source strong {
  font-size: 0.9rem;
}

.media-source small {
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 0.62rem;
}

.media-node {
  width: 16px;
  height: 16px;
  grid-row: 1 / 3;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-panel-raised);
}

.media-node-active {
  box-shadow: 0 0 24px var(--color-accent);
}

.media-paths {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.media-path-back,
.media-path-live,
.media-path-fine {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.media-path-back {
  stroke: var(--color-border);
  stroke-width: 1.2;
}

.media-path-live {
  stroke: var(--color-accent-dark);
  stroke-width: 1.3;
  stroke-dasharray: 6 9;
}

.media-path-fine {
  stroke: var(--color-border-bright);
  stroke-width: 0.8;
}

.media-junction {
  fill: var(--color-panel-raised);
  stroke: var(--color-accent);
  stroke-width: 1.2;
}

.media-endpoint {
  fill: var(--color-panel);
  stroke: var(--color-accent);
  stroke-width: 1.2;
}

.media-pulse {
  fill: var(--color-accent-soft);
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}

.media-pulse-a {
  animation: media-pulse-a 5.2s ease-in-out infinite;
}

.media-pulse-b {
  animation: media-pulse-b 6.4s ease-in-out 1.4s infinite;
}

.media-services {
  position: absolute;
  z-index: 3;
  top: 32px;
  right: 28px;
  bottom: 32px;
  width: 176px;
  display: grid;
  align-content: center;
  gap: 8px;
}

.media-services span {
  min-width: 0;
  padding: 8px 10px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  color: var(--color-text-muted);
  background: var(--color-bg-deep);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.streaming-document {
  max-width: 1080px;
  margin-inline: auto;
}

.streaming-section {
  padding-top: clamp(48px, 7vw, 92px);
  padding-bottom: clamp(48px, 7vw, 92px);
  border-bottom: 1px solid var(--color-border);
}

.streaming-section:last-child {
  border-bottom: 0;
}

.signal-browser {
  display: grid;
  grid-template-columns: minmax(170px, 0.34fr) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-card), var(--shadow-inset);
}

.signal-index {
  display: grid;
  align-content: start;
  gap: 4px;
  padding: 24px 16px;
  border-right: 1px solid var(--color-border);
  background: var(--color-bg-deep);
}

.signal-index span {
  position: relative;
  min-height: 44px;
  display: flex;
  align-items: center;
  padding-inline: 14px;
  border-radius: var(--radius-sm);
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.signal-index .signal-index-active {
  color: var(--color-text);
  background: var(--color-highlight);
}

.signal-index .signal-index-active::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 0;
  width: 2px;
  background: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
}

.signal-detail {
  padding: clamp(24px, 4vw, 44px);
}

.signal-detail h3 {
  font-family: var(--font-display);
  font-weight: 500;
}

.streaming-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  -webkit-overflow-scrolling: touch;
}

.streaming-table {
  min-width: 920px;
  margin-bottom: 0;
}

.streaming-table tbody tr:hover {
  background: var(--color-highlight);
}

.streaming-table td:first-child {
  color: var(--color-text);
}

.support-check {
  color: var(--color-warn);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  white-space: nowrap;
}

.table-note {
  margin: 18px 0 0;
  color: var(--color-text-dim);
  font-size: 0.84rem;
}

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

.ip-panel {
  min-width: 0;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
  box-shadow: var(--shadow-inset);
}

.ip-panel-raised {
  border-color: var(--color-border-bright);
  background:
    radial-gradient(circle at 14% 0%, var(--color-glow-soft), var(--color-transparent) 42%),
    var(--color-panel-raised);
  box-shadow: var(--shadow-card), var(--shadow-inset);
}

.ip-label,
.error-kind {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

.ip-panel h3 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 500;
}

.ip-panel p:last-child {
  margin-bottom: 0;
}

.quality-flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-panel);
}

.quality-flow article {
  position: relative;
  min-width: 0;
  padding: 30px;
}

.quality-flow article:nth-child(odd) {
  border-right: 1px solid var(--color-border);
}

.quality-flow article:nth-child(-n+2) {
  border-bottom: 1px solid var(--color-border);
}

.quality-marker {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  border: 1px solid var(--color-border-bright);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  background: var(--color-highlight);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.quality-flow h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

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

.error-ledger {
  display: grid;
  gap: 10px;
}

.error-row {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(220px, 0.45fr) minmax(0, 1fr);
  gap: 28px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.error-row h3 {
  margin: 8px 0 0;
  font-size: 1rem;
}

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

.account-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.account-grid article {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, var(--color-highlight), var(--color-transparent)),
    var(--color-panel);
}

.account-grid h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.account-grid p {
  margin-bottom: 0;
}

.route-steps {
  margin: 0;
  padding: 0;
  display: grid;
  list-style: none;
  counter-reset: route-step;
}

.route-steps li {
  position: relative;
  min-width: 0;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  counter-increment: route-step;
}

.route-steps li::before {
  content: counter(route-step);
  position: relative;
  z-index: 2;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  background: var(--color-bg-deep);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  box-shadow: 0 0 18px var(--color-glow-soft);
}

.route-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 42px;
  bottom: 0;
  left: 20px;
  width: 1px;
  background: var(--color-border-bright);
}

.route-steps li > div {
  padding-bottom: 30px;
}

.route-steps h3 {
  margin: 4px 0 8px;
  font-size: 1.08rem;
}

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

.streaming-summary {
  margin-top: 42px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 32px;
  background:
    radial-gradient(circle at 10% 0%, var(--color-glow), var(--color-transparent) 44%),
    var(--color-panel-raised);
}

.streaming-summary h2 {
  margin: 12px 0;
  font-size: clamp(30px, 4vw, 44px);
}

.streaming-summary p {
  max-width: 660px;
  margin-bottom: 0;
}

.streaming-summary .button-row {
  justify-content: flex-end;
}

@keyframes media-pulse-a {
  0% {
    opacity: 0;
    transform: translate(0, 0) scale(0.7);
  }
  18% {
    opacity: 1;
  }
  78% {
    opacity: 0.8;
  }
  100% {
    opacity: 0;
    transform: translate(610px, -78px) scale(1.2);
  }
}

@keyframes media-pulse-b {
  0% {
    opacity: 0;
    transform: translate(0, 0) scale(0.7);
  }
  20% {
    opacity: 0.9;
  }
  80% {
    opacity: 0.7;
  }
  100% {
    opacity: 0;
    transform: translate(300px, 34px) scale(1.15);
  }
}

@media (max-width: 880px) {
  .media-services {
    width: 150px;
  }

  .streaming-summary {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .streaming-summary .button-row {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .streaming-hero {
    padding-top: 48px;
  }

  .media-map-head span:last-child {
    display: none;
  }

  .media-map-body {
    min-height: 300px;
  }

  .media-source {
    left: 18px;
  }

  .media-services {
    right: 16px;
  }

  .signal-browser {
    grid-template-columns: 1fr;
  }

  .signal-index {
    display: flex;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .signal-index span {
    flex: 0 0 auto;
  }

  .signal-index .signal-index-active::before {
    top: auto;
    right: 12px;
    bottom: 0;
    left: 12px;
    width: auto;
    height: 2px;
  }

  .error-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

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

  .media-map {
    border-radius: var(--radius-lg);
  }

  .media-map-body {
    min-height: 340px;
  }

  .media-source {
    top: 44px;
    left: 18px;
    transform: none;
  }

  .media-paths {
    top: 40px;
    height: calc(100% - 40px);
    transform: translateX(-36px);
  }

  .media-services {
    top: 84px;
    right: 14px;
    bottom: 18px;
    width: 146px;
  }

  .media-services span:nth-child(n+6) {
    display: none;
  }

  .media-map-foot {
    justify-content: flex-start;
    gap: 12px 18px;
  }

  .ip-comparison,
  .quality-flow,
  .account-grid {
    grid-template-columns: 1fr;
  }

  .quality-flow article:nth-child(odd) {
    border-right: 0;
  }

  .quality-flow article:not(:last-child) {
    border-bottom: 1px solid var(--color-border);
  }

  .streaming-summary .button-row,
  .streaming-summary .button {
    width: 100%;
  }

  .route-steps li {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .media-pulse {
    animation: none;
    opacity: 0.72;
  }
}