body {
    font-family: Arial, sans-serif;
    background: #e6f5f3;
    color: #123;
    margin: 0;
    padding: 0;
}

header {
    background: #256d7b;
    color: white;
    padding: 20px;
    text-align: center;
}

.logo {
    max-height: 80px;
    margin-bottom: 10px;
}

main {
    padding: 20px;
    max-width: 600px;
    margin: auto;
    background: #dcf4f2;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

label {
    display: flex;
    flex-direction: column;
}

input, select {
    padding: 10px;
    font-size: 16px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

button {
    background: #256d7b;
    color: white;
    padding: 12px;
    font-size: 16px;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    transition: background 0.3s ease;
}

button:hover {
    background: #1a4d57;
}

.hidden {
    display: none;
}

#resultados {
    margin-top: 30px;
    padding: 15px;
    background-color: #ffffff;
    border-radius: 5px;
    border: 1px solid #ccc;
}

footer {
    text-align: center;
    padding: 15px;
    background: #256d7b;
    color: white;
    margin-top: 40px;
}