body {
    background: #fafafa;
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 550px;
    margin: 60px auto 0 auto;
    text-align: center;
    box-shadow: 0 6px 20px rgba(30,50,100,0.06);
    background: white;
    border-radius: 14px;
    padding: 44px 24px 32px 24px;
}

.logo {
    max-width: 100%;
    height: auto;
    margin-bottom: 28px;
}

h1 {
    font-size: 2.2em;
    color: #222;
    margin-bottom: 14px;
    font-weight: 500;
    letter-spacing: 1px;
}

h2 {
    font-size: 1.45em;
    color: #000;
    margin-bottom: 6px;
    font-weight: 400;
}

.subtitle {
    font-size: 1em;
    color: #666;
    margin-bottom: 18px;
    letter-spacing: 0.6px;
}

.message {
    font-size: 1.1em;
    color: #444;
    margin-top: 20px;
}

@media (max-width: 600px) {
    .container {
        padding: 22px 8px 14px 8px;
        margin-top: 20px;
    }
    h1 { font-size: 1.2em; }
    h2 { font-size: 1em; }
}