/* Keep corrected semantic heading levels visually consistent with the v3 design. */
.feature-card h2 {
  margin: 12px 0 8px;
  color: #f0d1a0;
  font-size: 16px;
}

.tier h2 {
  margin: 2px 0 6px;
  color: #f0d1a0;
  font-size: 18px;
}

.milestone h2 {
  margin: 9px 0 6px;
  color: #f3d49c;
  font-size: 18px;
}

.architecture-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 25px 0;
  padding: 0;
  list-style: none;
}

.architecture-flow li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid #c6913b66;
  border-radius: 6px;
  padding: 17px;
  background: linear-gradient(145deg, #171719, #0c0c0e);
}

.architecture-flow strong {
  color: var(--gold-light);
}

.architecture-flow span {
  color: var(--muted);
  font-size: 12px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 550px) {
  .architecture-flow {
    grid-template-columns: 1fr;
  }
}