* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, sans-serif;
}

body {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}

.card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    border-radius: 12px;
    padding: 40px 32px;
    max-width: 420px;
    width: 100%;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.card h1 {
    font-size: 1.9rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.card p {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: 24px;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.15);
    margin-bottom: 18px;
}

footer {
    margin-top: 28px;
    font-size: 0.75rem;
    opacity: 0.6;
}