.brand-logo {
  display: inline-block;
  width: 2.65rem;
  height: 2.65rem;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: #050507;
  object-fit: contain;
  padding: 0.18rem;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.04) inset;
}

.page-hero {
  min-height: 54vh;
}

.content-section {
  border-top: 1px solid var(--line);
}

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

.body-copy {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.callout {
  max-width: 820px;
  margin-top: 1.5rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel-strong);
  color: var(--text);
  cursor: help;
}

.steps-list {
  display: grid;
  gap: 0.8rem;
  max-width: 760px;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.steps-list li {
  counter-increment: steps;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  align-items: center;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel);
  color: var(--muted);
}

.steps-list li::before {
  content: counter(steps);
  display: inline-grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
  font-weight: 800;
}

.vibubble-title {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .definition-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .definition-grid {
    grid-template-columns: 1fr;
  }
}