/* Base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    color: #333;
    background-color: #f9f9f9;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

header, footer {
    background-color: #005f73;
    color: #fff;
    width: 100%;
    text-align: center;
    padding: 1rem;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

main {
    max-width: 600px;
    width: 100%;
    padding: 1rem;
}

.calculator {
    background-color: #e0f4f4;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.calculator h2 {
    color: #005f73;
    margin-bottom: 1rem;
}

label {
    display: block;
    margin: 0.5rem 0 0.2rem;
}

input[type="date"],
input[type="number"],
select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-size: 1rem;
}

button {
    background-color: #0a9396;
    color: #fff;
    padding: 0.8rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    width: 100%;
    margin-bottom: 1rem;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #94d2bd;
}

#result {
    text-align: center;
    font-size: 1.2rem;
    margin-top: 1rem;
}

footer p {
    font-size: 0.9rem;
}

footer a {
    color: #94d2bd;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Formulario de Contacto */
.contact-form {
    max-width: 500px;
    margin: 0 auto;
    padding: 1.5em;
    border-radius: 8px;
    background-color: #f9f9f9;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
}

.contact-form label {
    display: block;
    font-weight: bold;
    margin-bottom: 0.5em;
    color: #333;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 0.8em;
    margin-bottom: 1em;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 1em;
    transition: border-color 0.3s ease;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    border-color: #007bff;
    outline: none;
}

.contact-form button {
    width: 100%;
    padding: 0.8em;
    font-size: 1em;
    font-weight: bold;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.contact-form button:hover {
    background-color: #0056b3;
}

/* Responsividad para dispositivos móviles */
@media (max-width: 768px) {
    .contact-form {
        padding: 1em;
    }
    
    .contact-form button {
        font-size: 0.9em;
    }
}

/* Responsive */
@media (max-width: 600px) {
    header h1 {
        font-size: 1.5rem;
    }

    main {
        padding: 0.5rem;
    }

    .calculator {
        padding: 1rem;
    }
}