.certificate-properties-heading {
  border-top: 1px solid #30363d;
  padding-top: 18px;
  margin-top: 2px;
}

.certificate-properties-heading h4 {
  margin: 0;
  color: #e8eaed;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.certificate-properties-heading p {
  margin: 5px 0 0;
  color: #9ba3ad;
  font-size: 0.86rem;
  line-height: 1.5;
}

.certificate-field-help {
  color: #a8b0ba;
  font-size: 0.82rem;
  line-height: 1.55;
  margin-top: 8px;
}

.treatment-options {
  border: 1px solid #56616d;
  border-radius: 6px;
  padding: 14px 16px;
  min-width: 0;
}

.treatment-options legend {
  padding: 0 7px;
  font-weight: 600;
}

.treatment-choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 8px 18px;
}

#enhancement .treatment-choices label {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  margin: 0;
  padding: 7px 0;
}

#enhancement input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  margin: 0;
  accent-color: #b7cbd4;
}

#natural-synthetic-origin-other-container[hidden] {
  display: none;
}