.calculator-container {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.calculator-half {
  flex: 1 1 320px;
  min-width: 280px;
  max-width: 420px;
  padding: 0 8px;
  box-sizing: border-box;
}

.calculator-half h4 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.1em;
}

label {
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
  font-weight: 500;
}

input, select {
  margin-bottom: 12px;
  padding: 7px 10px;
  font-size: 15px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  background-color: #019a6a;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 17px;
  padding: 12px;
  margin-bottom: 0;
  margin-top: 8px;
  width: 100%;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover {
  background-color: #017a54;
}

.calculator h1, .calculator h4 {
  text-align: left;
}

.calculator {
  padding: 18px 24px;
  border: 1px solid #ccc;
  border-radius: 10px;
  margin-top: 0px;
  max-width: 900px;
  font-size: 15px;
  background: #fff;
  margin-left: auto;
  margin-right: auto;
}

/* Inline result styling */
.result {
  margin-top: 12px;
  background: #f1f8ff;
  border-left: 4px solid #019a6a;
  padding: 1em;
  border-radius: 4px;
  min-height: 2em;
  font-size: 1.05em;
}

@media (max-width: 900px) {
  .calculator-container {
    flex-direction: column;
    gap: 0;
  }
  .calculator-half {
    max-width: 100%;
    min-width: 0;
    padding: 0;
  }
}
.calculator h2 {
  text-align: center;
}