* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #1f2937, #111827);
    color: #f9fafb;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
}

.container {
    padding: 20px;
    width: 100%;
}

.card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 50px 30px;
    max-width: 500px;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.main-message {
    font-size: 1rem;
    margin-bottom: 10px;
    opacity: 0.9;
}

.sub-message {
    font-size: 0.9rem;
    margin-bottom: 25px;
    opacity: 0.7;
}

.contact {
    font-weight: 600;
    margin-bottom: 20px;
}

.contact a {
    color: #60a5fa;
    text-decoration: none;
}

.contact a:hover {
    text-decoration: underline;
}

.footer {
    font-size: 0.75rem;
    opacity: 0.5;
}