body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #fff;
    color: #333;
}
header .banner {
    background: #000;
    color: #fff;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}
.banner-text h1 {
    font-size: 32px;
    color: #FFA500;
}
.banner-text p {
    font-size: 18px;
    margin: 10px 0 20px;
}
.cta-button {
    background: #FFA500;
    color: #000;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 5px;
}
section {
    padding: 40px 20px;
    max-width: 900px;
    margin: auto;
}
section h2 {
    color: #FFA500;
}
ul {
    padding-left: 20px;
}
ul li {
    margin-bottom: 10px;
}
footer {
    text-align: center;
    padding: 20px;
    background: #000;
    color: #fff;
}
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    height: 60px;
    width: 60px;
}
.whatsapp-float img {
    width: 100%;
    height: auto;
}