body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0c1a24;
    color: #fff;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}
.logo {
    max-height: 60px;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}
nav a {
    color: #00d8a7;
    text-decoration: none;
}
.hero {
    padding: 100px 20px;
    text-align: center;
    background: #123c52;
}
section {
    padding: 60px 20px;
}
footer {
    text-align: center;
    padding: 20px;
    background: #0a141e;
    color: #aaa;
}