* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: auto;
    padding: 20px;
}

header {
    background: #1f1f1f;
    color: #fff;
    padding: 20px 0;
}

header h1 {
    float: left;
    margin-left: 20px;
}

nav {
    float: right;
    margin-right: 20px;
}

nav a {
    color: #fff;
    margin-left: 15px;
    text-decoration: none;
    font-weight: bold;
}

.hero {
    background: #303030;
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.section {
    background: #fff;
    margin: 20px 0;
    padding: 40px 0;
    text-align: center;
}

ul {
    list-style: none;
    padding-top: 10px;
}

ul li {
    padding: 10px 0;
}

footer {
    background: #1f1f1f;
    color: #fff;
    text-align: center;
    padding: 15px 0;
}