.stream-hero {
  position: relative;
  overflow-x: clip;
  border-bottom: 1px solid var(--color-border-soft);
  background:
    radial-gradient(circle at 82% 42%, color-mix(in srgb, var(--color-accent) 10%, transparent), transparent 26%),
    linear-gradient(90deg, transparent, color-mix(in srgb, var(--color-paper) 3%, transparent));
}

.stream-hero::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(90deg, color-mix(in srgb, var(--color-border-soft) 45%, transparent) 1px, transparent 1px),
    linear-gradient(color-mix(in srgb, var(--color-border-soft) 45%, transparent) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, transparent, var(--color-black), transparent);
  opacity: .48;
}

.stream-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .82fr);
  align-items: center;
  gap: clamp(42px, 8vw, 110px);
  min-height: 650px;
}

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

.stream-hero-copy h1 {
  max-width: 780px;
  margin-top: 20px;
}

.stream-hero-copy .lead {
  max-width: 690px;
}

.stream-actions {
  margin-top: 30px;
}

.stream-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.broadcast-sheet {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
}

.broadcast-sheet::before,
.broadcast-sheet::after {
  position: absolute;
  right: 18px;
  left: 18px;
  height: 12px;
  content: "";
  background: radial-gradient(circle, var(--color-bg) 0 3px, transparent 3.5px) center / 22px 12px repeat-x;
}

.broadcast-sheet::before {
  top: -5px;
}

.broadcast-sheet::after {
  bottom: -5px;
}

.broadcast-sheet-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 17px;
  border-bottom: 1px dashed color-mix(in srgb, var(--color-paper-ink) 34%, transparent);
  color: var(--color-paper-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .12em;
}

.broadcast-route {
  min-height: 140px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.route-terminal {
  flex: 0 0 auto;
  color: var(--color-paper-ink);
  font-size: 13px;
  font-weight: 650;
}

.route-line {
  height: 1px;
  flex: 1 1 auto;
  background: repeating-linear-gradient(90deg, var(--color-accent-dark) 0 8px, transparent 8px 14px);
}

.route-pulse {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border: 2px solid var(--color-paper);
  border-radius: var(--radius-pill);
  background: var(--color-accent-dark);
  animation: stream-pulse 2.8s ease-in-out infinite;
}

.broadcast-copy {
  display: grid;
  gap: 9px;
  padding-top: 20px;
  padding-right: 112px;
  border-top: 1px dashed color-mix(in srgb, var(--color-paper-ink) 34%, transparent);
  color: var(--color-paper-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .09em;
}

.broadcast-copy strong {
  color: var(--color-paper-ink);
  font-size: 16px;
  font-weight: 630;
}

.broadcast-stamp {
  position: absolute;
  right: 28px;
  bottom: 30px;
  width: 102px;
  height: 102px;
  display: grid;
  place-content: center;
  gap: 3px;
  border: 2px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  color: var(--color-accent-dark);
  text-align: center;
  transform: rotate(-5deg);
}

.broadcast-stamp::before {
  position: absolute;
  inset: 7px;
  border: 1px dashed var(--color-accent-dark);
  border-radius: var(--radius-pill);
  content: "";
}

.broadcast-stamp span,
.broadcast-stamp strong {
  position: relative;
  z-index: 1;
}

.broadcast-stamp span {
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .14em;
}

.broadcast-stamp strong {
  color: var(--color-accent-dark);
  font-size: 15px;
  letter-spacing: .08em;
}

.stream-document {
  position: relative;
}

.stream-document > .toc-tabs {
  margin-top: 24px;
}

.section-heading {
  max-width: 880px;
  margin-bottom: 36px;
}

.section-heading .mono-label {
  display: block;
  margin-bottom: 13px;
}

.section-heading p {
  max-width: 800px;
  margin-bottom: 0;
  font-size: 17px;
}

.matrix-state {
  display: inline-flex;
  min-height: 27px;
  max-width: 100%;
  align-items: center;
  padding: 0 10px;
  overflow: hidden;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 5%, var(--color-bg-panel));
  font-family: var(--font-mono);
  font-size: 9px;
  white-space: nowrap;
}

.stream-split {
  display: grid;
  grid-template-columns: minmax(240px, .65fr) minmax(0, 1.35fr);
  gap: clamp(44px, 9vw, 128px);
}

.stream-index {
  align-self: start;
  position: sticky;
  top: var(--toc-offset);
}

.stream-index h2 {
  margin-top: 14px;
}

.stream-prose {
  max-width: 790px;
}

.stream-prose > p {
  font-size: 17px;
  line-height: 1.9;
}

.signal-notes {
  display: grid;
  gap: 0;
  margin-top: 42px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.signal-notes article {
  position: relative;
  padding: 26px 24px 26px 48px;
}

.signal-notes article + article {
  border-top: 1px dashed var(--color-border);
}

.signal-notes article::before {
  position: absolute;
  top: 34px;
  left: 20px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  content: "";
  background: var(--color-bg);
}

.signal-notes h3 {
  margin: 7px 0;
  font-size: 21px;
}

.signal-notes p {
  margin-bottom: 0;
  font-size: 14px;
}

.ip-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.ip-entry {
  min-width: 0;
  padding: clamp(28px, 5vw, 54px);
  background: linear-gradient(145deg, color-mix(in srgb, var(--color-paper) 3%, transparent), transparent);
}

.ip-entry + .ip-entry {
  border-left: 1px dashed var(--color-border);
}

.ip-entry-code {
  margin-bottom: 28px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .15em;
}

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

.stream-footnote {
  max-width: 920px;
  margin: 28px 0 0;
  padding-left: 19px;
  border-left: 2px solid var(--color-accent-dark);
  font-size: 14px;
}

.quality-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}

.quality-strip span {
  min-height: 33px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  background: var(--color-bg-panel);
  font-family: var(--font-mono);
  font-size: 10px;
}

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

.error-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: clamp(24px, 5vw, 68px);
  padding: 34px 0;
  border-bottom: 1px dashed var(--color-border);
}

.error-mark {
  padding-top: 7px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
}

.error-row h3 {
  margin-bottom: 8px;
  font-size: 23px;
}

.error-row p {
  max-width: 840px;
  margin-bottom: 0;
}

.route-steps {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
  list-style: none;
  counter-reset: route-step;
}

.route-steps li {
  position: relative;
  min-height: 150px;
  padding: 30px 20px 30px clamp(72px, 10vw, 150px);
  border-bottom: 1px dashed var(--color-border);
  counter-increment: route-step;
}

.route-steps li::before {
  position: absolute;
  top: 34px;
  left: 18px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-accent-dark);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
  content: counter(route-step);
  font-family: var(--font-mono);
  font-size: 11px;
}

.route-steps h3 {
  margin-bottom: 8px;
  font-size: 23px;
}

.route-steps p {
  max-width: 880px;
  margin-bottom: 0;
}

.service-note-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, .7fr);
  align-items: start;
  gap: clamp(38px, 8vw, 100px);
}

.service-note-grid > div > p {
  max-width: 790px;
  font-size: 16px;
}

.next-route {
  position: sticky;
  top: var(--toc-offset);
}

.next-route .mono-label {
  display: block;
  margin-bottom: 14px;
}

.next-route h3 {
  font-size: 27px;
}

.next-route .button-row {
  margin-top: 24px;
}

@keyframes stream-pulse {
  0%,
  100% {
    opacity: .52;
    transform: scale(.82);
  }

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

@media (max-width: 980px) {
  .stream-hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 78px;
    padding-bottom: 78px;
  }

  .broadcast-sheet {
    min-height: 330px;
  }

  .stream-split,
  .service-note-grid {
    grid-template-columns: 1fr;
  }

  .stream-index,
  .next-route {
    position: static;
  }

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

@media (max-width: 768px) {
  .stream-hero-grid {
    gap: 44px;
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .broadcast-sheet {
    min-height: 300px;
  }

  .broadcast-sheet-head {
    font-size: 8px;
  }

  .broadcast-stamp {
    width: 84px;
    height: 84px;
  }

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

  .ip-entry + .ip-entry {
    border-top: 1px dashed var(--color-border);
    border-left: 0;
  }

  .error-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .error-mark {
    padding-top: 0;
  }
}

@media (max-width: 520px) {
  .broadcast-sheet {
    min-height: 280px;
    padding: 24px 20px;
  }

  .broadcast-sheet-head span:last-child {
    display: none;
  }

  .broadcast-route {
    min-height: 112px;
    gap: 8px;
  }

  .route-terminal {
    max-width: 74px;
    font-size: 11px;
  }

  .broadcast-stamp {
    right: 18px;
    bottom: 22px;
    width: 72px;
    height: 72px;
  }

  .broadcast-stamp strong {
    font-size: 12px;
  }

  .broadcast-copy {
    padding-right: 82px;
  }

  .stream-prose > p,
  .section-heading p {
    font-size: 16px;
  }

  .signal-notes article {
    padding: 24px 18px 24px 42px;
  }

  .signal-notes article::before {
    left: 16px;
  }

  .route-steps li {
    padding: 76px 4px 28px;
  }

  .route-steps li::before {
    top: 24px;
    left: 0;
  }
}

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