.streaming-page {
  background:
    radial-gradient(circle at 82% 8%, var(--color-warning-soft), transparent 28%),
    linear-gradient(112deg, transparent 0 64%, var(--color-accent-soft) 64% 64.1%, transparent 64.1%),
    var(--color-bg);
}

.stream-hero {
  min-height: calc(100vh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(380px, 0.82fr) minmax(540px, 1.18fr);
  align-items: center;
  gap: clamp(34px, 6vw, 84px);
}

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

.stream-hero-copy .kicker {
  margin-bottom: 24px;
}

.stream-hero-copy h1 {
  max-width: 8em;
}

.stream-hero-actions {
  margin-top: 28px;
}

.stream-hero-copy .lead {
  margin-top: 30px;
  font-size: clamp(17px, 1.6vw, 20px);
}

.stream-hero-copy .lead strong {
  color: var(--color-text);
  background: linear-gradient(transparent 62%, var(--color-warning-soft) 62%);
}

.stream-facts {
  margin: 26px 0 0;
  padding: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.stream-facts li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.stream-loom {
  min-width: 0;
  padding: 14px;
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel-secondary);
  box-shadow: var(--shadow-device);
  transform: rotate(0.35deg);
}

.stream-loom::before,
.stream-loom::after {
  position: absolute;
  z-index: -1;
  content: "";
  border: 1px solid var(--color-border);
  background: var(--color-panel-secondary);
}

.stream-loom::before {
  inset: 9px -9px -9px 9px;
  opacity: 0.58;
}

.stream-loom::after {
  inset: 18px -17px -17px 18px;
  opacity: 0.3;
}

.stream-loom-head {
  min-height: 52px;
  padding: 0 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-bottom: 0;
  background: var(--color-panel);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.stream-loom-stage {
  aspect-ratio: 1.08;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 78% 74%, var(--color-success-soft), transparent 25%),
    repeating-linear-gradient(0deg, transparent 0 30px, var(--color-border-faint) 30px 31px),
    repeating-linear-gradient(90deg, transparent 0 30px, var(--color-border-faint) 30px 31px),
    var(--color-panel);
}

.stream-loom-stage::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.6;
  background:
    repeating-linear-gradient(12deg, transparent 0 8px, var(--color-grain) 8px 9px, transparent 9px 16px),
    repeating-linear-gradient(98deg, transparent 0 20px, var(--color-grain) 20px 21px, transparent 21px 34px);
}

.service-rail,
.device-rail {
  position: absolute;
  z-index: 3;
  display: flex;
  gap: 6px;
}

.service-rail {
  top: 18px;
  left: 18px;
  flex-direction: column;
}

.device-rail {
  right: 18px;
  bottom: 18px;
  left: 18px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.service-rail span,
.device-rail span {
  width: max-content;
  max-width: 100%;
  padding: 5px 8px;
  overflow: hidden;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-paper-glow);
  font-family: var(--font-mono);
  font-size: 0.61rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.service-rail span:first-child,
.device-rail span:first-child {
  color: var(--color-success);
  border-color: var(--color-success);
  background: var(--color-success-soft);
}

.stream-lines {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  color: var(--color-border);
}

.stream-line {
  fill: none;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.86;
  animation: stream-line-enter 900ms var(--ease-soft) both;
}

.stream-line-accent {
  stroke: var(--color-accent);
}

.stream-line-warning {
  stroke: var(--color-warning);
  animation-delay: 140ms;
}

.stream-line-success {
  stroke: var(--color-success);
  stroke-width: 5;
  animation-delay: 280ms;
}

.stream-line-muted {
  stroke: var(--color-border);
  animation-delay: 420ms;
}

.stream-node {
  stroke: var(--color-panel);
  stroke-width: 5;
  animation: stream-node-pulse 2600ms var(--ease-soft) infinite;
  transform-origin: center;
}

.stream-node-accent {
  fill: var(--color-accent);
}

.stream-node-warning {
  fill: var(--color-warning);
}

.stream-node-success {
  fill: var(--color-success);
}

.stream-q {
  position: absolute;
  right: 7%;
  bottom: 12%;
  color: var(--color-accent-soft);
  font-family: var(--font-display);
  font-size: clamp(100px, 14vw, 190px);
  font-weight: 700;
  line-height: 0.8;
  transform: rotate(-5deg);
}

.stream-toc-wrap {
  position: relative;
  z-index: 20;
}

.stream-section-head {
  margin-bottom: clamp(32px, 5vw, 58px);
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(340px, 1.1fr);
  align-items: end;
  gap: clamp(28px, 6vw, 90px);
}

.stream-section-head .badge {
  margin-bottom: 16px;
}

.stream-section-head h2 {
  margin-bottom: 0;
}

.stream-section-head > p {
  margin-bottom: 5px;
  color: var(--color-text-muted);
}

.stream-support-table {
  min-width: 920px;
}

.stream-support-table td {
  vertical-align: middle;
}

.stream-state.is-conditional {
  color: var(--color-warning);
  border-color: var(--color-warning);
  background: var(--color-warning-soft);
}

.stream-band {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background:
    linear-gradient(90deg, var(--color-panel-secondary), transparent 42%),
    var(--color-panel);
}

.stream-band-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(36px, 8vw, 112px);
}

.stream-band-title {
  align-self: start;
  position: sticky;
  top: calc(var(--toc-offset) + var(--toc-height) + 28px);
}

.stream-band-title .badge {
  margin-bottom: 16px;
}

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

.stream-explain-list article {
  padding: 28px 0;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 18px;
  border-bottom: 1px solid var(--color-border);
}

.stream-index {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--color-panel);
  border-radius: var(--radius-xs);
  background: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  box-shadow: 3px 3px 0 var(--color-warning-soft);
}

.stream-explain-list h3 {
  margin-bottom: 8px;
  font-size: clamp(22px, 2.2vw, 28px);
}

.stream-explain-list p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.ip-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(22px, 4vw, 48px);
}

.ip-sheet {
  min-width: 0;
  padding: clamp(26px, 4vw, 46px);
  position: relative;
  border: 1px solid var(--color-border);
  background:
    linear-gradient(145deg, var(--color-accent-soft), transparent 52%),
    var(--color-panel);
  box-shadow: 8px 8px 0 var(--color-panel-secondary);
}

.ip-sheet-alt {
  background:
    linear-gradient(145deg, var(--color-success-soft), transparent 52%),
    var(--color-panel);
}

.ip-sheet-label {
  margin-bottom: 28px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.ip-sheet-alt .ip-sheet-label {
  color: var(--color-success);
}

.ip-sheet p,
.ip-sheet li {
  color: var(--color-text-muted);
}

.ip-sheet .check-list {
  margin: 24px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.stream-quality {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background:
    repeating-linear-gradient(90deg, transparent 0 42px, var(--color-border-faint) 42px 43px),
    var(--color-panel-secondary);
}

.stream-quality-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(36px, 7vw, 100px);
}

.stream-quality-copy .badge {
  margin-bottom: 16px;
}

.stream-quality-copy p {
  color: var(--color-text-muted);
}

.quality-weave {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.quality-weave article {
  min-width: 0;
  padding: clamp(22px, 3vw, 34px);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.quality-weave article:nth-child(2),
.quality-weave article:nth-child(3) {
  background: var(--color-paper-soft);
}

.quality-mark {
  margin-bottom: 24px;
  display: block;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.quality-weave h3 {
  font-size: clamp(20px, 2vw, 26px);
}

.quality-weave p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.error-ledger {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  box-shadow: 8px 8px 0 var(--color-panel-secondary);
}

.error-ledger article {
  min-width: 0;
  padding: clamp(24px, 3.4vw, 40px);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-panel);
}

.error-ledger article:nth-child(3n) {
  background:
    linear-gradient(140deg, var(--color-warning-soft), transparent 60%),
    var(--color-panel);
}

.error-ledger-head {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.error-ledger-head h3 {
  margin-bottom: 0;
  font-size: clamp(21px, 2.2vw, 28px);
}

.error-ledger p {
  color: var(--color-text-muted);
}

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

.error-ledger strong {
  color: var(--color-text);
}

.stream-selection {
  border-top: 1px solid var(--color-border);
  background:
    linear-gradient(115deg, var(--color-accent-soft), transparent 38%),
    var(--color-panel);
}

.selection-flow {
  margin: 0;
  padding: 0;
  counter-reset: selection-step;
  list-style: none;
}

.selection-flow li {
  min-width: 0;
  padding: 26px 0;
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 22px;
  counter-increment: selection-step;
  border-top: 1px solid var(--color-border);
}

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

.selection-flow li::before {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  content: counter(selection-step);
  color: var(--color-panel);
  border-radius: var(--radius-xs);
  background: var(--color-accent-dark);
  box-shadow: 4px 4px 0 var(--color-warning-soft);
  font-family: var(--font-mono);
  font-weight: 800;
}

.selection-flow h3 {
  margin-bottom: 7px;
}

.selection-flow p {
  max-width: 58rem;
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.stream-plan-note {
  margin-top: clamp(48px, 7vw, 90px);
  padding: clamp(28px, 5vw, 58px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 34px;
  color: var(--color-panel);
  border: 1px solid var(--color-accent-dark);
  background:
    linear-gradient(110deg, transparent 68%, var(--color-accent-dark) 68%),
    var(--color-text);
  box-shadow: 9px 9px 0 var(--color-border);
}

.stream-plan-note h2 {
  margin-top: 22px;
  color: var(--color-panel);
}

.stream-plan-note p {
  max-width: 55rem;
  color: var(--color-border);
}

.stream-plan-note .button-row {
  justify-content: flex-end;
}

.stream-plan-note .button-secondary {
  color: var(--color-text);
}

.stream-next {
  padding: clamp(26px, 4vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 36px;
  border: 1px solid var(--color-border);
  background:
    linear-gradient(145deg, var(--color-warning-soft), transparent 58%),
    var(--color-panel);
  box-shadow: 7px 7px 0 var(--color-panel-secondary);
}

.stream-next .badge {
  margin-bottom: 16px;
}

.stream-next h2 {
  font-size: clamp(29px, 3.8vw, 44px);
}

.stream-next p {
  max-width: 52rem;
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.stream-next-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}

.stream-next-links a {
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}

@keyframes stream-line-enter {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 0.86;
    transform: none;
  }
}

@keyframes stream-node-pulse {
  0%,
  100% {
    opacity: 0.72;
    transform: scale(0.9);
  }

  50% {
    opacity: 1;
    transform: scale(1.12);
  }
}

@media (max-width: 1080px) {
  .stream-hero {
    min-height: auto;
    grid-template-columns: minmax(330px, 0.9fr) minmax(420px, 1.1fr);
  }

  .stream-section-head {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 18px;
  }

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

  .stream-plan-note {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .stream-plan-note .button-row {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .stream-hero {
    grid-template-columns: 1fr;
    padding-top: 68px;
    padding-bottom: 84px;
  }

  .stream-hero-copy h1 {
    max-width: 10em;
  }

  .stream-loom {
    width: min(100%, 620px);
    margin-inline: auto;
    transform: none;
  }

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

  .stream-band-title {
    position: static;
  }

  .quality-weave,
  .error-ledger {
    grid-template-columns: 1fr;
  }

  .quality-weave article:nth-child(2),
  .quality-weave article:nth-child(3) {
    background: var(--color-panel);
  }

  .stream-plan-note {
    background: var(--color-text);
  }

  .stream-next {
    grid-template-columns: 1fr;
    align-items: start;
  }

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

@media (max-width: 640px) {
  .stream-hero-copy .lead {
    margin-top: 24px;
  }

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

  .stream-loom {
    padding: 8px;
  }

  .stream-loom-head {
    min-height: 44px;
    padding-inline: 10px;
    font-size: 0.58rem;
  }

  .service-rail {
    top: 10px;
    left: 10px;
  }

  .device-rail {
    right: 10px;
    bottom: 10px;
    left: 10px;
    justify-content: flex-start;
  }

  .service-rail span,
  .device-rail span {
    padding: 4px 6px;
    font-size: 0.53rem;
  }

  .stream-q {
    display: none;
  }

  .stream-explain-list article {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 13px;
  }

  .stream-index {
    width: 31px;
    height: 31px;
  }

  .selection-flow li {
    grid-template-columns: 50px minmax(0, 1fr);
    gap: 14px;
  }

  .selection-flow li::before {
    width: 40px;
    height: 40px;
  }

  .stream-plan-note .button-row {
    width: 100%;
  }

  .stream-next-links a {
    max-width: 100%;
    overflow-wrap: anywhere;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .stream-line {
    opacity: 0.86;
  }

  .stream-node {
    opacity: 1;
    transform: none;
  }
}