.warning-scene {
  width: 100%;
  height: 205px;
  object-fit: cover;
  object-position: center;
  border-radius: 12px;
  margin: 8px 0 16px;
  filter: saturate(.92) contrast(1.02);
}

.expo-photo video {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 460px;
  object-fit: cover;
  background: #111315;
}

.validation {
  background: #111315;
  color: #fff;
  max-width: none;
}

.validation > * {
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
}

.validation .section-number {
  border-color: #fff;
}

.validation .section-heading h2 {
  max-width: 960px;
}

.validation-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.validation-grid article {
  border: 1px solid #3d4144;
  border-radius: 18px;
  padding: 26px;
  min-height: 245px;
}

.validation-grid strong {
  color: #f6b900;
  font-size: .75rem;
}

.validation-grid h3 {
  margin: 30px 0 10px;
  font-size: 1.25rem;
}

.validation-grid p {
  margin: 0;
  color: #c7cacc;
}

.evidence-boundary {
  border-left: 4px solid #f6b900;
  background: #202326;
  border-radius: 0 12px 12px 0;
  padding: 18px 22px;
  margin-top: 26px;
  color: #d9dbdc;
}

.evidence-boundary strong {
  color: #fff;
}

@media (max-width: 900px) {
  .validation-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .expo-photo video {
    min-height: 360px;
  }
  .validation-grid { grid-template-columns: 1fr; }
  .validation-grid article { min-height: auto; }
}