body {
    font-family: Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 0;
    padding-bottom: 80px;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 20px;
    text-align: center;
}

nav {
    background-color: #34495e;
    padding: 10px;
    text-align: center;
}

nav a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}

.container {
    width: 60%;
    margin: auto;
    padding: 20px;
}


#form-contacto {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    margin-top: 20px;
}

.grupo-control {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 8px;
    font-weight: bold;
    color: #2c3e50;
}

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

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: #34495e;
    box-shadow: 0 0 5px rgba(52, 73, 94, 0.3);
}

.btn-enviar {
    background-color: #2c3e50;
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
    width: 100%;
}

.btn-enviar:hover {
    background-color: #34495e;
}

footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}