body {
    background-color: #F8F9FA;
    font-family: Arial, sans-serif;
}

h1, h2 {
    color: #2C3E50;
}

.btn-primary {
    background-color: #18BC9C;
    border: none;
}

.btn-primary:hover {
    background-color: #149f85;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.whatsapp-float {
    position: fixed;
    bottom: 10px;
    right: 20px;
    background-color: #25D366;
    color: white;
    font-size: 24px;
    padding: 12px 16px;
    border-radius: 50%;
    text-align: left;
    z-index: 1000;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.whatsapp-float:hover {
    background-color: #1ebe5d;
}