* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: #243047;
    line-height: 1.6;
}

header {
    padding: 20px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    background: #ffffff;
}

nav a {
    margin-right: 16px;
    color: #243047;
    text-decoration: none;
}

section {
    padding: 55px 8%;
}

.hero {
    background: #eef4ff;
    padding-top: 90px;
    padding-bottom: 90px;
}

.button {
    display: inline-block;
    background: #155eef;
    color: white;
    padding: 12px 20px;
    border-radius: 6px;
    text-decoration: none;
}

footer {
    padding: 20px 8%;
    background: #243047;
    color: white;
}

@media (max-width: 600px) {
    header {
        align-items: flex-start;
        flex-direction: column;
    }

    nav a {
        margin-right: 10px;
    }
}