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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 600px;
}

.content {
    background: white;
    border-radius: 20px;
    padding: 60px 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.icon {
    color: #667eea;
    margin-bottom: 30px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.icon svg {
    width: 100px;
    height: 100px;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.25rem;
    color: #667eea;
    font-weight: 600;
    margin-bottom: 20px;
}

.description {
    font-size: 1rem;
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 30px;
}

.footer {
    padding-top: 30px;
    border-top: 1px solid #e2e8f0;
}

.footer p {
    font-size: 0.9rem;
    color: #718096;
}

@media (max-width: 640px) {
    .content {
        padding: 40px 30px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .icon svg {
        width: 80px;
        height: 80px;
    }
}