body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #1d2433;
    background: #ffffff;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    border-bottom: 1px solid #eee;
    padding: 20px 0;
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-weight: 700;
    font-size: 20px;
}

nav a {
    margin-left: 18px;
    color: #1d2433;
    text-decoration: none;
}

.hero {
    padding: 90px 0 60px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

main {
    min-height: 70vh;
}

footer {
    padding: 40px 24px;
    border-top: 1px solid #eee;
}