.stream-hero {
  position: relative;
  overflow-x: clip;
  padding-top: clamp(56px, 8vw, 104px);
  padding-bottom: clamp(64px, 9vw, 112px);
  background:
    linear-gradient(to right, var(--color-accent-faint) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-accent-faint) 1px, transparent 1px);
  background-size: 52px 52px;
}

.stream-hero::before {
  position: absolute;
  top: -18%;
  right: -8%;
  width: min(58vw, 760px);
  aspect-ratio: 1;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle, var(--color-accent-soft), transparent 66%);
  content: "";
  pointer-events: none;
}

.stream-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(480px, 1.12fr);
  align-items: center;
  gap: clamp(38px, 6vw, 84px);
}

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

.stream-hero-copy h1 {
  max-width: 680px;
  margin-top: 18px;
  margin-bottom: 22px;
}

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

.stream-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.stream-facts {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stream-facts span {
  max-width: 100%;
  padding: 6px 11px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-white-soft);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
}

.media-console {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 50% 48%, var(--color-accent-soft), transparent 34%),
    var(--color-panel);
  box-shadow: var(--shadow-card);
}

.media-console-head {
  min-height: 50px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-white-soft);
}

.media-console-label,
.media-console-state {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
}

.media-console-label {
  color: var(--color-muted);
}

.media-console-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-success);
}

.media-console-body {
  position: relative;
  min-height: 430px;
}

.media-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 280px;
  height: 280px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-pill);
  transform: translate(-50%, -50%);
}

.media-ring::before,
.media-ring::after {
  position: absolute;
  border: 1px solid var(--color-accent-soft);
  border-radius: var(--radius-pill);
  content: "";
}

.media-ring::before {
  inset: 28px;
}

.media-ring::after {
  inset: 62px;
}

.media-center {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: 156px;
  height: 156px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-white);
  box-shadow: 0 0 0 12px var(--color-accent-faint), var(--shadow-soft);
  text-align: center;
  transform: translate(-50%, -50%);
}

.media-center svg {
  width: 42px;
  height: 42px;
  margin-bottom: 8px;
  color: var(--color-accent-dark);
}

.media-center svg circle,
.media-center svg path {
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.media-center strong {
  font-size: 14px;
}

.media-center span {
  margin-top: 4px;
  color: var(--color-muted);
  font-size: 9px;
  line-height: 1.5;
}

.media-chip {
  position: absolute;
  z-index: 3;
  max-width: 150px;
  padding: 8px 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.media-chip-a {
  top: 15%;
  left: 12%;
}

.media-chip-b {
  top: 13%;
  right: 11%;
}

.media-chip-c {
  top: 45%;
  right: 4%;
}

.media-chip-d {
  right: 14%;
  bottom: 13%;
}

.media-chip-e {
  bottom: 12%;
  left: 9%;
}

.media-chip-f {
  top: 47%;
  left: 3%;
}

.media-console-foot {
  min-height: 58px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 10px 18px;
  border-top: 1px solid var(--color-border);
  background: var(--color-white-soft);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
}

.stream-table {
  width: 100%;
  min-width: 840px;
}

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

.stream-table th {
  background: var(--color-panel-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .03em;
}

.stream-table td {
  font-size: 13px;
}

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

.support-state {
  display: inline-flex;
  max-width: 100%;
  padding: 5px 10px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-accent-dark);
  font-size: 11px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: clamp(42px, 7vw, 94px);
}

.guide-heading {
  position: sticky;
  top: calc(var(--header-height) + 32px);
}

.logic-track {
  position: relative;
  display: grid;
  gap: 18px;
}

.logic-track::before {
  position: absolute;
  top: 26px;
  bottom: 26px;
  left: 27px;
  width: 1px;
  background: var(--color-border);
  content: "";
}

.logic-step {
  position: relative;
  min-width: 0;
  padding: 26px 28px 26px 84px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.logic-step h3 {
  margin-bottom: 10px;
}

.logic-step p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.logic-marker {
  position: absolute;
  top: 24px;
  left: 16px;
  z-index: 1;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-panel-strong);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
}

.ip-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.ip-panel {
  min-width: 0;
  padding: clamp(26px, 4vw, 42px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.ip-panel-strong {
  background: var(--color-panel-strong);
}

.ip-panel-head {
  margin-bottom: 22px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.ip-panel-head span {
  color: var(--color-accent-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
}

.ip-panel-head h3 {
  margin-bottom: 0;
}

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

.ip-panel ul {
  margin-bottom: 0;
  display: grid;
  gap: 8px;
}

.section-note {
  max-width: 880px;
  margin: 24px auto 0;
  color: var(--color-muted);
  font-size: 13px;
  text-align: center;
}

.quality-grid {
  display: grid;
  grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: clamp(42px, 7vw, 90px);
}

.quality-copy {
  position: sticky;
  top: calc(var(--header-height) + 32px);
}

.quality-stack {
  display: grid;
  gap: 16px;
}

.quality-item {
  min-width: 0;
  padding: 26px;
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel);
}

.quality-key {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-text);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 800;
}

.quality-item h3 {
  margin-bottom: 8px;
}

.quality-item p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.error-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.error-card {
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.error-type {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
}

.error-card h3 {
  margin-bottom: 9px;
}

.error-card p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.route-choice-layout {
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: clamp(42px, 7vw, 94px);
}

.decision-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  list-style: none;
  counter-reset: route-step;
}

.decision-list li {
  position: relative;
  min-width: 0;
  padding: 24px 26px 24px 78px;
  border-bottom: 1px solid var(--color-border);
  counter-increment: route-step;
}

.decision-list li::before {
  position: absolute;
  top: 22px;
  left: 14px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-white);
  content: counter(route-step);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 800;
}

.decision-list strong {
  display: block;
  margin-bottom: 7px;
  font-size: 17px;
}

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

.account-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 5vw, 58px);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: clamp(32px, 6vw, 78px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-text);
  color: var(--color-white);
  box-shadow: var(--shadow-card);
}

.account-panel::after {
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 280px;
  height: 280px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  box-shadow: 0 0 0 30px var(--color-accent-faint), 0 0 0 60px var(--color-accent-faint);
  content: "";
}

.account-panel-copy,
.account-checklist {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.account-panel h2,
.account-panel h3 {
  color: var(--color-white);
}

.account-panel-copy h2 {
  margin-top: 18px;
}

.account-panel-copy p {
  color: var(--color-border);
}

.account-checklist {
  padding: 28px;
  border: 1px solid var(--color-muted);
  border-radius: var(--radius-lg);
  background: var(--color-black);
}

.account-checklist ul {
  margin-bottom: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  list-style: none;
  color: var(--color-border);
}

.account-checklist li {
  position: relative;
  padding-left: 24px;
}

.account-checklist li::before {
  position: absolute;
  left: 0;
  color: var(--color-accent);
  content: "✓";
  font-weight: 800;
}

.service-fact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-fact-grid article {
  min-width: 0;
  padding: 28px;
  border-top: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.service-fact-grid .mono {
  color: var(--color-accent-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
}

.service-fact-grid h3 {
  margin: 16px 0 10px;
  font-size: 21px;
}

.service-fact-grid p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.next-links {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.next-link {
  position: relative;
  min-width: 0;
  padding: 28px 68px 28px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.next-link:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.next-link .mono {
  color: var(--color-accent-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
}

.next-link strong {
  display: block;
  margin-top: 10px;
  font-size: 20px;
}

.next-link p {
  margin: 7px 0 0;
  color: var(--color-muted);
  font-size: 13px;
}

.next-arrow {
  position: absolute;
  top: 50%;
  right: 28px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 24px;
  transform: translateY(-50%);
}

@media (max-width: 1040px) {
  .stream-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .stream-hero-copy {
    max-width: 800px;
  }

  .media-console {
    width: min(100%, 760px);
  }

  .guide-layout,
  .quality-grid,
  .route-choice-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .guide-heading,
  .quality-copy {
    position: static;
  }

  .guide-heading,
  .quality-copy,
  .route-choice-layout > .section-heading {
    max-width: 800px;
  }
}

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

  .media-console-body {
    min-height: 380px;
  }

  .media-ring {
    width: 240px;
    height: 240px;
  }

  .media-center {
    width: 138px;
    height: 138px;
  }

  .ip-compare,
  .error-grid,
  .service-fact-grid,
  .next-links {
    grid-template-columns: minmax(0, 1fr);
  }

  .account-panel {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .stream-actions .button {
    width: 100%;
  }

  .stream-facts span {
    width: 100%;
    text-align: center;
  }

  .media-console-head {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .media-console-body {
    min-height: 440px;
  }

  .media-ring {
    width: 210px;
    height: 210px;
  }

  .media-ring::before {
    inset: 24px;
  }

  .media-ring::after {
    inset: 50px;
  }

  .media-chip-a {
    top: 8%;
    left: 7%;
  }

  .media-chip-b {
    top: 8%;
    right: 6%;
  }

  .media-chip-c {
    top: 42%;
    right: 2%;
  }

  .media-chip-d {
    right: 6%;
    bottom: 8%;
  }

  .media-chip-e {
    bottom: 8%;
    left: 5%;
  }

  .media-chip-f {
    top: 42%;
    left: 2%;
  }

  .logic-step {
    padding: 72px 22px 24px;
  }

  .logic-track::before {
    display: none;
  }

  .logic-marker {
    top: 18px;
    left: 20px;
  }

  .quality-item {
    grid-template-columns: minmax(0, 1fr);
  }

  .quality-key {
    width: 58px;
    height: 58px;
  }

  .decision-list li {
    padding: 72px 20px 24px;
  }

  .decision-list li::before {
    top: 18px;
    left: 20px;
  }

  .account-checklist {
    padding: 22px;
  }

  .next-link {
    padding: 24px 58px 24px 22px;
  }

  .next-arrow {
    right: 22px;
  }
}

@media (max-width: 380px) {
  .media-chip {
    max-width: 112px;
    padding-inline: 9px;
    font-size: 9px;
  }

  .media-center {
    width: 126px;
    height: 126px;
  }

  .media-center svg {
    width: 34px;
    height: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .next-link {
    transition: none;
  }
}