body {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        line-height: 1.6;
        color: #333;
        background-color: #f5f5f5;
        padding: 20px;
    }
    
    .container {
        max-width: 800px;
        margin: 0 auto;
        background: white;
        padding: 40px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    
    .header {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .header h1 {
        font-size: 28px;
        margin-bottom: 10px;
        color: #1a1a1a;
    }
    
    .tier-badge {
        display: inline-block;
        padding: 12px 24px;
        border-radius: 6px;
        font-weight: 600;
        font-size: 18px;
        margin: 20px 0;
    }
    
    .tier-strong { background-color: #d4edda; color: #155724; }
    .tier-manageable { background-color: #fff3cd; color: #856404; }
    .tier-risk { background-color: #f8d7da; color: #721c24; }
    .tier-critical { background-color: #f5c6cb; color: #721c24; }
    
    .tier-message {
        display: none;
        margin-bottom: 30px;
    }
    
    .tier-message.active {
        display: block;
    }
    
    .tier-message h2 {
        font-size: 24px;
        margin-bottom: 15px;
        color: #1a1a1a;
    }
    
    .tier-message p {
        margin-bottom: 15px;
        font-size: 16px;
        color: #555;
    }
    
    .critical-issues {
        margin: 40px 0;
        padding: 30px;
        background-color: #f8f9fa;
        border-radius: 6px;
        border-left: 4px solid #dc3545;
    }
    
    .critical-issues h3 {
        font-size: 20px;
        margin-bottom: 20px;
        color: #1a1a1a;
    }
    
    .issue-block {
        display: none;
        margin-bottom: 25px;
        padding: 20px;
        background: white;
        border-radius: 6px;
        border-left: 4px solid #dc3545;
    }
    
    .issue-block.show {
        display: block;
    }
    
    .issue-block.warning {
        border-left-color: #ffc107;
    }
    
    .issue-block h4 {
        font-size: 18px;
        margin-bottom: 10px;
        color: #1a1a1a;
    }
    
    .issue-block p {
        margin-bottom: 8px;
        font-size: 15px;
        color: #555;
    }
    
    .cta-section {
        margin: 40px 0;
    }
    
    .cta-primary {
        background-color: #007bff;
        color: white;
        padding: 30px;
        border-radius: 8px;
        text-align: center;
        margin-bottom: 30px;
    }
    
    .cta-primary h3 {
        font-size: 22px;
        margin-bottom: 10px;
    }
    
    .cta-primary p {
        margin-bottom: 20px;
        font-size: 16px;
        opacity: 0.95;
    }
    
    .cta-button {
        display: inline-block;
        padding: 14px 32px;
        background-color: white;
        color: #007bff;
        text-decoration: none;
        border-radius: 6px;
        font-weight: 600;
        font-size: 16px;
        transition: transform 0.2s;
    }
    
    .cta-button:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    }
    
    .email-capture {
        padding: 30px;
        background-color: #f8f9fa;
        border-radius: 8px;
        text-align: center;
    }
    
    .email-capture h3 {
        font-size: 20px;
        margin-bottom: 10px;
        color: #1a1a1a;
    }
    
    .email-capture p {
        margin-bottom: 20px;
        color: #555;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-group input {
        width: 100%;
        max-width: 400px;
        padding: 12px;
        border: 1px solid #ddd;
        border-radius: 6px;
        font-size: 16px;
    }
    
    .submit-button {
        padding: 12px 32px;
        background-color: #28a745;
        color: white;
        border: none;
        border-radius: 6px;
        font-size: 16px;
        font-weight: 600;
        cursor: pointer;
        transition: background-color 0.2s;
    }
    
    .submit-button:hover {
        background-color: #218838;
    }
    
    .divider {
        margin: 30px 0;
        border-bottom: 2px solid #e9ecef;
    }
    
    @media (max-width: 600px) {
        .container {
            padding: 20px;
        }
        
        .header h1 {
            font-size: 24px;
        }
        
        .tier-badge {
            font-size: 16px;
            padding: 10px 20px;
        }
    }
</style>