* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 24px;
    font-family: Arial, sans-serif;
    background: #f3f5f9;
    color: #202938;
}

.card {
    width: 100%;
    max-width: 640px;
    padding: 48px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.eyebrow {
    color: #5268c9;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.1;
}

.card a {
    display: inline-block;
    margin-top: 16px;
    padding: 12px 20px;
    color: white;
    background: #5268c9;
    text-decoration: none;
    border-radius: 8px;
}

footer {
    margin-top: 24px;
    color: #657084;
    font-size: 14px;
}