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

.stream-hero::before {
  content: "";
  width: 420px;
  height: 420px;
  position: absolute;
  top: -220px;
  right: -120px;
  border-radius: 50%;
  background: var(--color-focus-halo);
  filter: blur(64px);
  pointer-events: none;
}

.stream-hero-grid {
  min-height: calc(100svh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(430px, 1.08fr);
  gap: clamp(44px, 7vw, 96px);
  align-items: center;
  padding-top: clamp(64px, 8vw, 108px);
  padding-bottom: clamp(72px, 9vw, 124px);
}

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

.stream-hero-copy h1 {
  max-width: 680px;
}

.stream-hero-copy .lead {
  margin-bottom: 30px;
}

.stream-hero-copy .button-row {
  margin-bottom: 28px;
}

.stream-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  color: var(--color-ink-muted);
  font-size: 13px;
  font-weight: 750;
  list-style: none;
}

.stream-facts li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.stream-stage {
  min-height: 470px;
  position: relative;
  z-index: 1;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background:
    linear-gradient(var(--color-shadow-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-shadow-soft) 1px, transparent 1px),
    var(--color-panel);
  background-size: 28px 28px;
  box-shadow: var(--shadow-lift);
  transform: rotate(0.6deg);
}

.stream-stage::after {
  content: "";
  width: 230px;
  height: 230px;
  position: absolute;
  right: -90px;
  bottom: -90px;
  border-radius: 50%;
  background: var(--color-focus-halo);
  filter: blur(42px);
  pointer-events: none;
}

.stream-stage-top {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
}

.stage-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.stream-route {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto minmax(34px, 1fr) auto minmax(34px, 1fr) auto;
  align-items: center;
  padding: 62px 0 52px;
}

.stream-route-point {
  min-width: max-content;
  padding: 9px 13px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 850;
}

.stream-route-line {
  height: 2px;
  position: relative;
}

.stream-route-line::after {
  content: "";
  width: 8px;
  height: 8px;
  position: absolute;
  top: 50%;
  left: 46%;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 15px currentColor;
  transform: translateY(-50%);
}

.stream-route-line.is-sky {
  background: var(--color-sky);
  color: var(--color-sky);
}

.stream-route-line.is-accent {
  background: var(--color-accent);
  color: var(--color-accent);
}

.stream-service-cloud {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 11px;
  padding: 30px 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
}

.service-chip {
  max-width: 100%;
  padding: 8px 13px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 800;
}

.service-chip.is-accent {
  border-color: var(--color-accent);
  color: var(--color-accent-deep);
}

.service-chip.is-mint {
  border-color: var(--color-success);
  color: var(--color-success);
}

.service-chip.is-sky {
  border-color: var(--color-sky);
  color: var(--color-sky);
}

.service-chip.is-warm {
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.stream-stage-note {
  position: relative;
  z-index: 2;
  margin-top: 22px;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
}

.stream-intro {
  display: grid;
  grid-template-columns: minmax(250px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(36px, 7vw, 96px);
  align-items: start;
}

.stream-intro h2 {
  margin-top: 18px;
}

.stream-intro-copy {
  padding-left: clamp(22px, 4vw, 48px);
  border-left: 1px solid var(--color-line);
  color: var(--color-ink-muted);
}

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

.section-heading,
.usage-heading,
.next-heading {
  max-width: 800px;
  margin-bottom: 42px;
}

.stream-support-table {
  width: 100%;
  min-width: 900px;
  margin: 0;
  border-collapse: collapse;
  background: var(--color-canvas);
  font-size: 14px;
}

.stream-support-table th,
.stream-support-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: middle;
}

.stream-support-table th {
  background: var(--color-panel-strong);
  color: var(--color-ink);
  font-weight: 850;
}

.stream-support-table td:first-child {
  color: var(--color-ink);
  font-weight: 850;
}

.stream-support-table tbody tr:last-child td {
  border-bottom: 0;
}

.support-check {
  display: inline-flex;
  min-width: max-content;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border: 1px solid var(--color-warning);
  border-radius: var(--radius-pill);
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 800;
}

.support-check::before {
  content: "";
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-warning);
}

.night-heading {
  max-width: 780px;
  margin-bottom: 48px;
}

.night-heading > p:last-child {
  color: var(--color-night-text);
  font-size: 18px;
}

.ip-compare {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.ip-panel {
  min-width: 0;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--color-night-line);
  border-radius: var(--radius-card);
  background: var(--color-shadow-deep);
}

.ip-panel.is-accented {
  border-color: var(--color-accent);
  box-shadow: inset 0 3px 0 var(--color-accent);
}

.ip-panel h3 {
  margin-top: 20px;
  color: var(--color-white);
}

.ip-panel p {
  color: var(--color-night-text);
}

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

.ip-index {
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.stream-reading-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  gap: clamp(42px, 7vw, 92px);
  align-items: start;
}

.stream-reading-main {
  min-width: 0;
}

.reading-section + .reading-section {
  margin-top: clamp(72px, 9vw, 112px);
  padding-top: clamp(58px, 7vw, 84px);
  border-top: 1px solid var(--color-line);
}

.reading-section > p {
  color: var(--color-ink-muted);
}

.quality-chain {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.quality-step {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-panel);
}

.quality-step strong {
  display: block;
  margin: 13px 0 8px;
  color: var(--color-ink);
}

.quality-step p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.quality-dot {
  width: 10px;
  height: 10px;
  display: block;
  border-radius: 50%;
}

.quality-dot.is-accent {
  background: var(--color-accent);
}

.quality-dot.is-sky {
  background: var(--color-sky);
}

.quality-dot.is-success {
  background: var(--color-success);
}

.route-steps {
  display: grid;
  gap: 0;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: stream-step;
}

.route-steps li {
  position: relative;
  min-height: 108px;
  padding: 0 0 32px 64px;
  counter-increment: stream-step;
}

.route-steps li::before {
  content: counter(stream-step);
  width: 38px;
  height: 38px;
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
}

.route-steps li::after {
  content: "";
  width: 1px;
  position: absolute;
  top: 44px;
  bottom: 6px;
  left: 19px;
  background: var(--color-line);
}

.route-steps li:last-child::after {
  display: none;
}

.route-steps strong {
  display: block;
  margin-bottom: 7px;
  color: var(--color-ink);
  font-size: 18px;
}

.route-steps p {
  margin: 0;
  color: var(--color-ink-muted);
}

.error-board {
  margin-top: 34px;
  border-top: 1px solid var(--color-line);
}

.error-row {
  display: grid;
  grid-template-columns: minmax(200px, 0.72fr) minmax(0, 1.28fr);
  gap: 30px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-line);
}

.error-row h3 {
  margin: 12px 0 0;
  font-size: 20px;
}

.error-row p {
  margin: 0;
  color: var(--color-ink-muted);
}

.stream-reading-aside {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  display: grid;
  gap: 16px;
}

.aside-card {
  padding: 24px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
}

.aside-card h3 {
  margin-top: 17px;
  font-size: 21px;
}

.aside-card p,
.aside-card li {
  color: var(--color-ink-muted);
  font-size: 14px;
}

.aside-card ul {
  display: grid;
  gap: 9px;
  margin-bottom: 0;
  padding-left: 20px;
}

.aside-card .btn-quiet {
  width: 100%;
  margin-top: 8px;
}

.usage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.usage-card {
  min-width: 0;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-large);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
}

.usage-card.is-dark {
  border-color: var(--color-night);
  background: var(--color-night);
  color: var(--color-night-text);
}

.usage-card h3 {
  margin-top: 18px;
}

.usage-card.is-dark h3 {
  color: var(--color-white);
}

.usage-card p {
  color: var(--color-ink-muted);
}

.usage-card.is-dark p {
  color: var(--color-night-text);
}

.usage-card p:last-child {
  margin-bottom: 0;
}

.usage-type {
  display: inline-flex;
  padding: 6px 11px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  color: var(--color-accent-deep);
  font-size: 12px;
  font-weight: 850;
}

.usage-card.is-dark .usage-type {
  color: var(--color-white);
}

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

.next-card {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 26px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.next-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lift);
}

.next-mark {
  width: 50px;
  height: 50px;
  display: grid;
  flex-shrink: 0;
  place-items: center;
  border-radius: 50%;
  background: var(--color-panel);
  color: var(--color-accent-deep);
}

.next-mark svg {
  width: 25px;
  height: 25px;
}

.next-card strong,
.next-card small {
  display: block;
}

.next-card strong {
  color: var(--color-ink);
  font-size: 18px;
}

.next-card small {
  margin-top: 5px;
  color: var(--color-ink-muted);
  font-size: 13px;
}

.next-arrow {
  color: var(--color-accent-deep);
  font-size: 24px;
  transition: transform var(--transition-fast);
}

.next-card:hover .next-arrow {
  transform: translateX(4px);
}

.stream-cta {
  padding-top: clamp(64px, 8vw, 96px);
  padding-bottom: clamp(64px, 8vw, 96px);
}

.stream-cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 42px;
  align-items: center;
}

.stream-cta h2 {
  margin-top: 18px;
  margin-bottom: 12px;
}

.stream-cta p {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--color-night-text);
}

.stream-cta-link {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border: 1px solid var(--color-night-line);
  border-radius: var(--radius-pill);
  color: var(--color-white);
  font-weight: 800;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.stream-cta-link:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

@media (max-width: 1040px) {
  .stream-hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .stream-hero-copy {
    max-width: 780px;
  }

  .stream-stage {
    width: min(760px, 100%);
    min-height: 420px;
    transform: none;
  }

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

  .stream-reading-aside {
    position: static;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .stream-intro,
  .ip-compare,
  .usage-grid {
    grid-template-columns: 1fr;
  }

  .stream-intro-copy {
    padding-top: 28px;
    padding-left: 0;
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }

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

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

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

  .stream-cta-inner .button-row {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .stream-hero-grid {
    gap: 36px;
    padding-top: 48px;
    padding-bottom: 68px;
  }

  .stream-facts {
    display: grid;
    gap: 10px;
  }

  .stream-stage {
    min-height: auto;
    padding: 20px;
  }

  .stream-route {
    grid-template-columns: 1fr;
    gap: 10px;
    justify-items: center;
    padding: 34px 0;
  }

  .stream-route-line {
    width: 2px;
    height: 30px;
  }

  .stream-route-line::after {
    top: 46%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  .stream-service-cloud {
    padding: 22px 14px;
  }

  .error-row,
  .next-grid {
    grid-template-columns: 1fr;
  }

  .next-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .next-arrow {
    display: none;
  }

  .route-steps li {
    padding-left: 54px;
  }

  .stream-cta-inner .button-row {
    flex-direction: column;
  }

  .stream-cta-inner .button-row > * {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .next-card,
  .next-arrow,
  .stream-cta-link {
    transition: none;
  }
}