* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: Arial, sans-serif;
    color: #222;
    background-color: #fff;
}
header {
    background-color: #000;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 5%;
}
header img {
    height: 50px;
}
nav a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
    font-size: 16px;
}
nav a:hover {
    color: #ccc;
}
.hero img {
    width: 100%;
    height: auto;
}
section {
    padding: 30px 5%;
}
h2 {
    font-size: 26px;
    margin-bottom: 15px;
    border-bottom: 2px solid #ccc;
    padding-bottom: 5px;
}
.card {
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 20px;
    margin-bottom: 20px;
    text-align: center;
    background-color: #f9f9f9;
}
.card img {
    max-width: 100%;
    height: auto;
    margin-bottom: 10px;
}
footer {
    background-color: #000;
    color: white;
    text-align: center;
    padding: 15px;
}
.whatsapp {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: white;
    font-size: 24px;
    border-radius: 50%;
    padding: 15px;
    text-decoration: none;
}