.hp-roi-calculator {
  max-width: 960px;
  padding: 2rem;
  border: 1px solid #d9d9d9;
  border-radius: 16px;
  background: #ffffff;
}

.hp-roi-header h2 {
  margin: 0 0 0.5rem;
}

.hp-roi-header p {
  margin: 0 0 1.5rem;
}

.hp-roi-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.hp-roi-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

.hp-roi-form input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #cfcfcf;
  border-radius: 8px;
  font: inherit;
}

.hp-roi-results {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.hp-roi-results > div {
  padding: 1rem;
  border-radius: 12px;
  background: #f5f7f9;
}

.hp-roi-results span {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.hp-roi-results strong {
  display: block;
  font-size: 1.75rem;
  line-height: 1.1;
}

.hp-roi-total {
  border: 2px solid currentColor;
}

@media (max-width: 700px) {
  .hp-roi-form,
  .hp-roi-results {
    grid-template-columns: 1fr;
  }
}