body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}

header, footer {
    background: #003366;
    color: white;
    text-align: center;
    padding: 1em;
}

section {
    padding: 20px;
    max-width: 900px;
    margin: auto;
}

h2 {
    color: #003366;
}

ul {
    list-style-type: square;
    padding-left: 20px;
}

form {
    display: flex;
    flex-direction: column;
    max-width: 400px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

input, textarea {
    margin: 5px 0;
    padding: 10px;
    font-size: 1em;
    border: 1px solid #ccc;
    border-radius: 4px;
}

button {
    background: #003366;
    color: white;
    padding: 10px;
    border: none;
    cursor: pointer;
    border-radius: 4px;
    font-weight: bold;
}

button:hover {
    background: #0055aa;
}

footer .social-icons {
    margin-top: 10px;
}

footer .social-icons a {
    margin: 0 10px;
    display: inline-block;
}

/* Estilos responsivos */
@media (max-width: 768px) {
    header, footer {
        padding: 1em 0.5em;
    }

    section {
        padding: 15px;
    }

    h1 {
        font-size: 1.6em;
    }

    h2 {
        font-size: 1.3em;
    }

    form {
        width: 90%;
        padding: 15px;
    }

    input, textarea {
        font-size: 0.95em;
    }

    footer .social-icons a img {
        width: 32px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.4em;
    }

    h2 {
        font-size: 1.1em;
    }

    p, li {
        font-size: 0.95em;
    }

    form {
        width: 95%;
    }

    footer .social-icons a {
        margin: 0 5px;
    }

    footer .social-icons a img {
        width: 28px;
    }
}