.prep-page { padding: 30px 0 50px; }

.check-grid {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.15);
}

.check-item input {
  width: 18px;
  height: 18px;
}

.grid3 {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  margin-top: 14px;
}

@media (min-width: 860px){
  .grid3 { grid-template-columns: repeat(3,1fr); }
}

.results {
  display: grid;
  gap: 12px;
  margin-top: 20px;
  grid-template-columns: 1fr;
}

@media (min-width: 860px){
  .results { grid-template-columns: repeat(3,1fr); }
}

.res-box {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.18);
  text-align: center;
}

.res-box strong {
  display: block;
  font-size: 22px;
  margin-top: 6px;
}