body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    background: #636363;
    padding: 20px 0;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 10px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
}

.hero {
    background: url('https://www.example.com/hero-image.jpg') no-repeat center center/cover;
    color: #fff;
    padding: 100px 20px;
}

.hero h1 {
    margin: 0;
    font-size: 2.5em;
}

.hero p {
    font-size: 1.2em;
}

.cta-button {
    display: inline-block;
    padding: 10px 20px;
    background: #333;
    color: #fff;
    text-decoration: none;
    margin-top: 20px;
}

main {
    padding: 20px;
}

section {
    margin-bottom: 40px;
}

.service {
    text-align: center;
    margin-bottom: 20px;
}

.service img {
    max-width: 100%;
    height: auto;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}