#build .container {
  display: flex;
  justify-content: center;
}

.unity-card {
  width: 100%;
  max-width: 1040px;
  padding: 32px;
  background: linear-gradient(160deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.35);
}

.unity-card-header {
  text-align: center;
  margin-bottom: 24px;
}

.unity-card-header h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.5rem;
}

.unity-stage {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background:
    radial-gradient(circle at top left, rgba(122, 162, 247, 0.12), transparent 38%),
    rgba(2, 6, 23, 0.65);
  overflow: hidden;
}

.unity-frame {
  width: 854px;
  height: 480px;
  max-width: 100%;
  border: 0;
  border-radius: 10px;
  background: #000;
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.4);
}

@media (max-width: 980px) {
  .unity-card {
    padding: 24px;
  }

  .unity-stage {
    padding: 12px;
  }

  .unity-frame {
    width: 100%;
    height: auto;
    aspect-ratio: 854 / 480;
  }
}

@media (max-width: 640px) {
  .unity-card {
    padding: 18px;
  }

  .unity-card-header h3 {
    font-size: 1.3rem;
  }
}