.nodes-hero {
  padding-top: clamp(64px, 8vw, 108px);
  padding-bottom: clamp(72px, 9vw, 118px);
}

.nodes-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  align-items: center;
  gap: clamp(36px, 6vw, 82px);
}

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

.nodes-hero-lead {
  max-width: 650px;
  margin: 25px 0 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.4vw, 1.14rem);
  line-height: 1.85;
}

.nodes-hero-lead strong {
  color: var(--color-text);
}

.nodes-hero-actions {
  margin-top: 29px;
}

.nodes-fact-row {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nodes-fact-row span {
  min-height: 38px;
  padding: 7px 12px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-muted);
  background: var(--color-white-glass);
  font-size: 0.76rem;
}

.nodes-fact-row strong {
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.coverage-board {
  min-width: 0;
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-xl);
  overflow: clip;
  background: var(--color-white-glass);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  animation: window-in 760ms var(--ease-out) both;
}

.coverage-board-bar {
  min-height: 56px;
  padding: 0 19px;
  border-bottom: 1px solid var(--color-border-soft);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  background: var(--color-white-strong);
}

.coverage-board-title {
  justify-self: center;
  font-size: 0.76rem;
  font-weight: 720;
}

.coverage-board-bar .badge {
  justify-self: end;
}

.coverage-board-body {
  position: relative;
  min-height: 436px;
  padding: 28px;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 24%, var(--color-sky-glow), transparent 32%),
    radial-gradient(circle at 28% 80%, var(--color-mint-glow), transparent 34%),
    var(--color-cyan-glass);
}

.coverage-route-map {
  position: absolute;
  inset: 34px;
  pointer-events: none;
}

.coverage-route-core,
.coverage-route-point {
  position: absolute;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
}

.coverage-route-core {
  top: 48%;
  left: 48%;
  width: 34px;
  height: 34px;
  transform: translate(-50%, -50%);
}

.coverage-route-core::after {
  position: absolute;
  inset: 8px;
  border-radius: var(--radius-pill);
  content: "";
  background: var(--color-warn);
}

.coverage-route-point {
  width: 14px;
  height: 14px;
}

.point-asia {
  top: 12%;
  right: 16%;
}

.point-america {
  top: 52%;
  left: 5%;
}

.point-europe {
  top: 16%;
  left: 24%;
}

.point-other {
  right: 8%;
  bottom: 12%;
}

.coverage-route-line {
  position: absolute;
  top: 48%;
  left: 48%;
  width: 40%;
  border-top: 1px dashed var(--color-accent);
  opacity: 0.7;
  transform-origin: left center;
}

.route-asia {
  transform: rotate(-34deg);
}

.route-america {
  width: 44%;
  transform: rotate(176deg);
}

.route-europe {
  width: 34%;
  transform: rotate(-144deg);
}

.route-other {
  width: 43%;
  transform: rotate(43deg);
}

.region-index {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.region-index a {
  min-width: 0;
  min-height: 168px;
  padding: 18px;
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--color-white-glass);
  backdrop-filter: blur(17px);
  -webkit-backdrop-filter: blur(17px);
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}

.region-index a:hover,
.region-index a:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-white-strong);
  transform: translateY(-3px);
}

.region-code {
  margin-bottom: auto;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 720;
  letter-spacing: 0.08em;
}

.region-index strong {
  margin-top: 24px;
  font-size: 1rem;
}

.region-index small {
  max-width: 100%;
  margin-top: 5px;
  overflow: hidden;
  color: var(--color-muted);
  font-size: 0.68rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.coverage-board-note {
  margin: 0;
  padding: 15px 20px;
  border-top: 1px solid var(--color-border-soft);
  color: var(--color-muted);
  background: var(--color-white-strong);
  font-size: 0.7rem;
  text-align: center;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 40px;
}

.section-heading-split {
  margin-bottom: 36px;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 0.58fr);
  align-items: end;
  gap: 42px;
}

.section-heading-split > p {
  margin: 0 0 7px;
  color: var(--color-muted);
  font-size: 0.94rem;
}

.nodes-table-section {
  padding-top: clamp(54px, 7vw, 90px);
}

.server-table-wrap {
  background: var(--color-white-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.server-table th,
.server-table td {
  padding-top: 15px;
  padding-bottom: 15px;
}

.server-table tbody {
  scroll-margin-top: var(--toc-offset);
}

.server-table .server-type {
  padding: 5px 9px;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-pill);
  color: var(--color-accent-dark);
  background: var(--color-blue-soft);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.stream-state {
  color: var(--color-success);
  font-size: 0.78rem;
  font-weight: 680;
}

.stream-state.is-conditional {
  color: var(--color-warn);
}

.stream-state.is-conditional::before {
  background: var(--color-warn);
}

.line-type-browser {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: clip;
  background: var(--color-white-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.line-type-entry {
  min-width: 0;
  padding: clamp(26px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(170px, 0.34fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
}

.line-type-entry + .line-type-entry {
  border-top: 1px solid var(--color-border);
}

.line-type-entry:nth-child(even) {
  background: var(--color-cyan-glass);
}

.line-type-label {
  align-self: start;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px 10px;
}

.line-type-marker {
  width: 13px;
  height: 13px;
  border: 3px solid var(--color-warn-line);
  border-radius: var(--radius-pill);
  grid-row: 1 / 3;
  background: var(--color-warn);
}

.line-type-label .mono {
  color: var(--color-accent-dark);
  font-size: 0.68rem;
  font-weight: 720;
  letter-spacing: 0.08em;
}

.line-type-label strong {
  font-size: 1rem;
}

.line-type-content h3 {
  margin-bottom: 18px;
}

.line-type-content p,
.line-type-content li {
  color: var(--color-muted);
}

.line-type-content p {
  margin-bottom: 16px;
}

.line-type-content ul {
  margin: 22px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--color-border-soft);
  display: grid;
  gap: 10px;
  list-style: none;
}

.line-type-content li {
  position: relative;
  padding-left: 21px;
  font-size: 0.9rem;
}

.line-type-content li::before {
  position: absolute;
  left: 0;
  color: var(--color-success);
  content: "✓";
  font-weight: 800;
}

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

.use-case-item {
  min-width: 0;
  padding: clamp(28px, 4vw, 46px) 0;
  border-bottom: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: minmax(140px, 0.28fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 72px);
}

.use-case-index {
  width: fit-content;
  height: fit-content;
  padding: 7px 12px;
  border: 1px solid var(--color-warn-line);
  border-radius: var(--radius-pill);
  color: var(--color-warn);
  background: var(--color-warn-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 720;
}

.use-case-item p {
  color: var(--color-muted);
}

.use-case-item p:last-child {
  margin-bottom: 0;
}

.selection-workflow {
  display: grid;
  grid-template-columns: minmax(280px, 0.68fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(40px, 7vw, 90px);
}

.workflow-intro {
  position: sticky;
  top: var(--toc-offset);
}

.workflow-intro p:last-child {
  color: var(--color-muted);
}

.workflow-list {
  margin: 0;
  padding: 0;
  display: grid;
  counter-reset: workflow;
  list-style: none;
}

.workflow-list li {
  position: relative;
  min-width: 0;
  padding: 0 0 34px 56px;
  counter-increment: workflow;
}

.workflow-list li:not(:last-child)::before {
  position: absolute;
  top: 35px;
  bottom: 5px;
  left: 18px;
  border-left: 1px dashed var(--color-border);
  content: "";
}

.workflow-list li::after {
  position: absolute;
  top: 0;
  left: 0;
  width: 37px;
  height: 37px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
  display: grid;
  place-items: center;
  content: counter(workflow);
  color: var(--color-accent-dark);
  background: var(--color-white-strong);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 760;
}

.workflow-list strong {
  display: block;
  padding-top: 5px;
  color: var(--color-text);
  font-size: 1rem;
}

.workflow-list p {
  margin: 10px 0 0;
  color: var(--color-muted);
}

.connection-notes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: clip;
  background: var(--color-white-glass);
}

.connection-notes-grid article {
  min-width: 0;
  padding: clamp(24px, 4vw, 38px);
}

.connection-notes-grid article:nth-child(even) {
  border-left: 1px solid var(--color-border);
}

.connection-notes-grid article:nth-child(n + 3) {
  border-top: 1px solid var(--color-border);
}

.connection-notes-grid h3 {
  font-size: 1.12rem;
}

.connection-notes-grid p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.nodes-service-summary {
  margin-top: 42px;
  padding: clamp(27px, 5vw, 48px);
  border: 1px solid var(--color-warn-line);
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 32px;
  background:
    radial-gradient(circle at 90% 8%, var(--color-sky-glow), transparent 34%),
    var(--color-white-strong);
}

.nodes-service-summary h2 {
  margin-top: 17px;
  margin-bottom: 12px;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
}

.nodes-service-summary p {
  max-width: 790px;
  margin-bottom: 0;
  color: var(--color-muted);
}

.nodes-service-summary .action-row {
  justify-content: flex-end;
}

@media (max-width: 1000px) {
  .nodes-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .coverage-board {
    width: min(760px, 100%);
  }

  .section-heading-split {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

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

  .workflow-intro {
    position: static;
  }

  .nodes-service-summary {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .nodes-service-summary .action-row {
    justify-content: flex-start;
  }
}

@media (max-width: 700px) {
  .nodes-hero {
    padding-top: 48px;
    padding-bottom: 72px;
  }

  .coverage-board-body {
    min-height: 0;
    padding: 18px;
  }

  .coverage-route-map {
    opacity: 0.5;
  }

  .region-index {
    gap: 10px;
  }

  .region-index a {
    min-height: 138px;
    padding: 14px;
  }

  .region-index strong {
    margin-top: 18px;
  }

  .line-type-entry,
  .use-case-item {
    grid-template-columns: minmax(0, 1fr);
  }

  .line-type-entry {
    gap: 22px;
  }

  .line-type-label {
    max-width: 250px;
  }

  .use-case-item {
    gap: 18px;
  }

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

  .connection-notes-grid article:nth-child(even) {
    border-left: 0;
  }

  .connection-notes-grid article + article {
    border-top: 1px solid var(--color-border);
  }
}

@media (max-width: 520px) {
  .nodes-hero-actions .button {
    flex: 1 1 140px;
  }

  .nodes-fact-row {
    display: grid;
  }

  .nodes-fact-row span {
    width: 100%;
  }

  .coverage-board-bar {
    padding-inline: 13px;
  }

  .coverage-board-bar .badge {
    display: none;
  }

  .coverage-board-bar {
    grid-template-columns: 1fr auto;
  }

  .coverage-board-title {
    justify-self: end;
  }

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

  .region-index a {
    min-height: 112px;
  }

  .region-index strong {
    margin-top: 12px;
  }

  .workflow-list li {
    padding-left: 50px;
  }

  .nodes-service-summary .button {
    width: 100%;
  }
}

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