.calculadora-ors {
  max-width: 600px;
  margin: 2em auto;
  padding: 2em;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0,44,95,0.1);
  font-family: "Segoe UI", sans-serif;
  color: #002c5f;
}

.calculadora-ors h2 {
  text-align: center;
  margin-bottom: 0.5em;
  color: #002c5f;
}

.calculadora-ors .intro {
  text-align: center;
  font-size: 0.95em;
  color: #333;
  margin-bottom: 1.5em;
}

.seccion {
  margin-bottom: 1.8em;
}

.seccion h4 {
  margin-bottom: 0.6em;
  color: #1d3557;
  font-size: 1.05em;
  border-left: 4px solid #f39200;
  padding-left: 0.5em;
}

.calculadora-ors label {
  display: block;
  margin-bottom: 1em;
  font-size: 0.95em;
}

.calculadora-ors input[type="number"],
.calculadora-ors input[type="text"],
.calculadora-ors select {
  width: 100%;
  padding: 0.6em;
  margin-top: 0.3em;
  border: 1px solid #ccc;
  border-radius: 6px;
  background-color: #f4f4f4;
  color: #002c5f;
  box-sizing: border-box;
}

.calculadora-ors input[readonly] {
  background-color: #e9ecef;
  font-weight: 600;
}

.botones {
  display: flex;
  justify-content: center;
  gap: 1em;
  margin-top: 1.5em;
}

.calculadora-ors button {
  padding: 0.7em 1.5em;
  border: none;
  border-radius: 6px;
  background-color: #002c5f;
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.25s ease;
}

.calculadora-ors button:hover {
  background-color: #f39200;
}

.calculadora-ors i {
  margin-right: 6px;
  color: #f39200;
}