html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    box-sizing: border-box;
    background: #ffffff;
    color: #111111;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-title {
    margin: 0;
    text-align: center;
    font-size: clamp(2rem, 6vw, 4.5rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: 0.04em;
}