body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
header {
    background: #003366;
    color: white;
    text-align: center;
    padding: 1em;
}
.logo {
    width: 120px;
}
nav ul {
    list-style: none;
    padding: 0;
}
nav ul li {
    display: inline;
    margin: 0 15px;
}
nav ul li a {
    color: white;
    text-decoration: none;
}
main {
    padding: 2em;
}
footer {
    background: #222;
    color: white;
    text-align: center;
    padding: 1em;
}

.social-bar {
    text-align: center;
    padding: 1em;
    background: #f4f4f4;
}
.social-bar a {
    margin: 0 10px;
    text-decoration: none;
    color: #003366;
    font-weight: bold;
}
.whatsapp-float {
    position: fixed;
    width: 120px;
    bottom: 40px;
    right: 20px;
    background-color: #25d366;
    color: white;
    text-align: center;
    padding: 10px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0px 0px 10px #999;
}

form {
    background: #f9f9f9;
    padding: 1em;
    border-radius: 8px;
    max-width: 500px;
    margin: auto;
}
input, textarea {
    width: 100%;
    padding: 0.7em;
    margin-bottom: 1em;
    border: 1px solid #ccc;
    border-radius: 4px;
}
input[type="submit"] {
    background-color: #003366;
    color: white;
    border: none;
    cursor: pointer;
}
input[type="submit"]:hover {
    background-color: #005599;
}