body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background: #35424a;
    color: #ffffff;
    padding: 10px 0;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
}

h1,
h2 {
    margin: 0;
}

main {
    padding: 20px;
}

section {
    background: #ffffff;
    margin: 20px 0;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(90, 100, 107, 0.5);
}

.responsive {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table,
th,
td {
    border: 2px solid #c7c7c7;
}

th,
td {
    padding: 8px;
    text-align: left;
}

#contacto h2 {
    text-align: center;
    color: #35424a;
    margin-bottom: 20px;
}

#contacto form {
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
    background: #35424a;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

#contacto label {
    color: #ffffff;
    display: block;
    font-weight: bold;
    margin-top: 10px;
}

#contacto input[type="text"],
#contacto input[type="email"],
#contacto input[type="tel"],
#contacto textarea {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #ffffff;
    border-radius: 5px;
    font-size: 16px;
}

#contacto textarea {
    resize: none;
}

#contacto input[type="radio"],
#contacto input[type="checkbox"] {
    margin-right: 5px;
}

#contacto button {
    display: block;
    width: 100%;
    padding: 10px;
    margin-top: 15px;
    background: #ffffff;
    color: #35424a;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
}

footer {
    text-align: center;
    padding: 10px 0;
    background: #35424a;
    color: #ffffff;
}