:root {
  --signal-bg: #06131f;
  --signal-panel: rgba(10, 26, 41, 0.88);
  --signal-panel-2: rgba(255, 255, 255, 0.04);
  --signal-border: rgba(125, 211, 252, 0.16);
  --signal-ink: #dbeafe;
  --signal-muted: rgba(219, 234, 254, 0.72);
  --signal-info: #67e8f9;
}

body {
  background: var(--signal-bg);
  color: var(--signal-ink);
}

.signal-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(6, 19, 31, 0.84);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.signal-brand {
  font-family: "Jost", sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.signal-hero {
  background:
    radial-gradient(circle at top left, rgba(34, 211, 238, 0.2), transparent 28%),
    radial-gradient(circle at bottom right, rgba(96, 165, 250, 0.16), transparent 25%),
    linear-gradient(180deg, #081522 0%, #06131f 100%);
}

.signal-kicker {
  color: var(--signal-info);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.signal-console,
.signal-card,
.governance-panel,
.use-card,
.contact-shell {
  border: 1px solid var(--signal-border);
  background: var(--signal-panel);
  border-radius: 1.5rem;
}

.signal-console {
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.console-head {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.05);
}

.console-head span {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
}

.console-body {
  padding: 1.6rem;
}

.console-label {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(103, 232, 249, 0.12);
  color: var(--signal-info);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.console-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 1rem;
  align-items: start;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.console-step span,
.workflow-item span {
  display: inline-flex;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(103, 232, 249, 0.12);
  color: var(--signal-info);
  font-weight: 700;
}

.signal-section {
  padding: 5rem 0;
}

.signal-section-alt {
  background: linear-gradient(180deg, rgba(15, 31, 48, 0.88), rgba(7, 19, 31, 0.96));
}

.signal-card,
.use-card {
  height: 100%;
  padding: 1.6rem;
}

.signal-card i {
  display: inline-flex;
  width: 3rem;
  height: 3rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border-radius: 1rem;
  background: rgba(103, 232, 249, 0.12);
  color: var(--signal-info);
  font-size: 1.4rem;
}

.signal-card p,
.workflow-item p,
.governance-row p,
.use-card p,
.contact-shell p {
  color: var(--signal-muted);
}

.workflow-copy {
  max-width: 760px;
  margin: 0 auto;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.workflow-item {
  padding: 1.5rem;
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.workflow-item h3 {
  margin: 1rem 0 0.75rem;
  color: #fff;
  font-size: 1.2rem;
}

.governance-panel {
  padding: 1.2rem 1.5rem;
}

.governance-row {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.governance-row:last-child {
  border-bottom: 0;
}

.contact-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem;
}

.signal-footer {
  background: #050f19;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

@media (max-width: 991.98px) {
  .workflow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-shell {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 575.98px) {
  .workflow-grid {
    grid-template-columns: 1fr;
  }
}