/* Tipografía moderna */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
}

body {
  background-color: #f4f6f8;
  color: #333;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 30px;
}

h1 {
  font-size: 2rem;
  color: #0a58ca;
}

.container {
  max-width: 500px;
  margin: 0 auto;
}

.card {
  background: #fff;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.radio-group {
  display: flex;
  justify-content: space-around;
  margin-top: 10px;
}

label {
  font-weight: 600;
  display: block;
}

select {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
}

.result {
  text-align: center;
  background: #e9f5ff;
  border-left: 6px solid #0a58ca;
}

.result h2 {
  font-size: 2.5rem;
  margin-top: 10px;
  color: #0a58ca;
}

footer {
  text-align: center;
  margin-top: 30px;
  color: #777;
  font-size: 0.9rem;
}