body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    padding: 0;
    background: #ffffff;
    color: #111111;
    line-height: 1.7;
}

header {
    padding: 60px 20px 30px 20px;
    text-align: center;
}

.logo {
    font-size: 28px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.tagline {
    margin-top: 10px;
    font-size: 14px;
    color: #666;
}

nav {
    margin-top: 25px;
}

nav a {
    margin: 0 18px;
    text-decoration: none;
    color: #111;
    font-size: 14px;
    font-weight: 500;
}

nav a:hover {
    opacity: 0.6;
}

.container {
    max-width: 820px;
    margin: 70px auto;
    padding: 0 20px;
}

h1 {
    font-size: 26px;
    font-weight: 500;
    margin-bottom: 25px;
}

h2 {
    font-size: 18px;
    margin-top: 40px;
    font-weight: 500;
}

footer {
    margin-top: 100px;
    padding: 40px;
    text-align: center;
    font-size: 13px;
    color: #777;
}

.logo img {
    width: 180px;
    height: auto;
}