.stream-hero {
  padding-top: clamp(72px, 9vw, 112px);
  padding-bottom: clamp(64px, 8vw, 96px);
}

.stream-hero-inner {
  text-align: center;
}

.stream-hero h1 {
  max-width: 900px;
  margin: 22px auto 20px;
}

.stream-hero .lead {
  margin-inline: auto;
}

.stream-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.stream-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin-top: 22px;
}

.stream-route-board {
  max-width: 850px;
  margin: clamp(46px, 7vw, 78px) auto 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-window);
  text-align: left;
}

.route-board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 12px;
}

.route-board-head .mono {
  color: var(--color-text);
  font-size: 11px;
  letter-spacing: .08em;
}

.route-board-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(32px, 110px) minmax(0, 1fr) minmax(32px, 110px) minmax(0, 1fr);
  align-items: center;
  padding: clamp(28px, 5vw, 52px);
}

.route-stop {
  display: grid;
  justify-items: center;
  gap: 5px;
  text-align: center;
}

.route-stop-mark {
  width: 13px;
  height: 13px;
  margin-bottom: 9px;
  border: 2px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
}

.route-stop-active {
  border-color: var(--color-accent);
}

.route-stop strong {
  font-size: 14px;
  font-weight: 600;
}

.route-stop small {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.route-link {
  width: 100%;
  border-top: 1px dashed var(--color-line);
}

.section-intro {
  max-width: 830px;
  margin-bottom: 30px;
  color: var(--color-text-muted);
  font-size: 17px;
}

.support-table-wrap,
.error-table-wrap {
  margin-top: 28px;
}

.support-table {
  min-width: 820px;
}

.support-table th:nth-child(1) {
  width: 18%;
}

.support-table th:nth-child(2) {
  width: 24%;
}

.support-table th:nth-child(3) {
  width: 16%;
}

.support-state {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 10px;
  white-space: nowrap;
}

.stream-callout {
  max-width: 860px;
  margin-top: 26px;
}

.stream-callout p {
  margin: 5px 0 0;
}

.stream-reading-grid {
  display: grid;
  grid-template-columns: minmax(230px, .7fr) minmax(0, 1.3fr);
  gap: clamp(36px, 7vw, 92px);
  align-items: start;
}

.stream-reading-grid .section-title {
  max-width: 420px;
}

.stream-prose {
  max-width: 760px;
  color: var(--color-text-muted);
}

.stream-prose p {
  margin-bottom: 1.35rem;
}

.ip-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 32px;
}

.ip-note {
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.ip-code {
  display: block;
  margin-bottom: 18px;
  color: var(--color-text-muted);
  font-size: 11px;
  letter-spacing: .12em;
}

.ip-note h3 {
  font-size: 26px;
}

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

.ip-note ul {
  display: grid;
  gap: 9px;
  margin: 22px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

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

.quality-checklist h3 {
  font-size: 22px;
}

.quality-checklist ol {
  display: grid;
  gap: 14px;
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.quality-checklist strong {
  color: var(--color-text);
}

.error-table {
  min-width: 800px;
}

.error-table th:first-child {
  width: 23%;
}

.error-table th:nth-child(2) {
  width: 36%;
}

.error-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.error-notes article {
  padding: 24px;
  border-top: 1px solid var(--color-text);
  background: var(--color-panel-muted);
}

.error-notes h3 {
  font-size: 19px;
}

.error-notes p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 14px;
}

.stream-steps {
  max-width: 900px;
  margin: 38px 0 0;
  padding: 0;
  counter-reset: stream-step;
  list-style: none;
}

.stream-steps li {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 20px;
  padding-bottom: 32px;
  counter-increment: stream-step;
}

.stream-steps li::before {
  display: inline-flex;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text);
  content: counter(stream-step);
  font-family: var(--font-mono);
  font-size: 12px;
}

.stream-steps li:not(:last-child)::after {
  position: absolute;
  top: 42px;
  bottom: 5px;
  left: 18px;
  border-left: 1px dashed var(--color-line);
  content: "";
}

.stream-steps h3 {
  margin-bottom: 7px;
  font-size: 23px;
}

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

.device-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.device-note {
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
}

.device-note h3 {
  font-family: var(--font-mono);
  font-size: 17px;
}

.device-note p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: 14px;
}

.device-summary {
  max-width: 860px;
  margin: 26px 0 0;
  color: var(--color-text-muted);
}

.stream-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 34px;
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.stream-next h2 {
  margin-bottom: 10px;
}

.stream-next p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.stream-next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 900px) {
  .stream-reading-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .ip-compare,
  .error-notes,
  .device-notes {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .stream-hero {
    padding-top: 58px;
  }

  .stream-actions {
    align-items: stretch;
    flex-direction: column;
  }

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

  .route-board-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .route-board-flow {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 26px 18px;
  }

  .route-link {
    width: 1px;
    height: 28px;
    border-top: 0;
    border-left: 1px dashed var(--color-line);
  }

  .ip-note,
  .quality-checklist,
  .device-note {
    padding: 22px;
  }

  .stream-steps li {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 14px;
  }

  .stream-steps li::before {
    width: 34px;
    height: 34px;
  }

  .stream-steps li:not(:last-child)::after {
    top: 38px;
    left: 16px;
  }

  .stream-next-links {
    align-items: stretch;
    flex-direction: column;
  }

  .stream-next-links .btn {
    width: 100%;
  }
}