body, html { 
    margin: 0; 
    padding: 0; 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; 
    background-color: #f4f4f9; 
    color: #333; 
    line-height: 1.6; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    min-height: 100vh; 
    text-align: center; 
    flex-direction: column;
}

.container { 
    max-width: 700px; 
    margin: 20px; 
    padding: 40px; 
    background-color: #ffffff; 
    border-radius: 8px; 
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05); 
}

header h1 { 
    font-size: 2rem; 
    color: #1a237e; 
    margin-bottom: 20px; 
}

#domain-name-header { 
    color: #28a745; 
}

.content p { 
    font-size: 1.1rem; 
    margin-bottom: 15px; 
}

.cta h2 { 
    font-size: 1.5rem; 
    color: #333; 
    margin-top: 40px; 
    margin-bottom: 25px; 
    border-top: 1px solid #eee; 
    padding-top: 30px; 
}

.contact-option { 
    margin-bottom: 25px; 
}

.contact-option p { 
    margin-bottom: 10px; 
    font-size: 1.1rem; 
}

.email-box { 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    gap: 10px; 
    background-color: #f4f4f9; 
    padding: 10px 15px; 
    border-radius: 5px; 
    border: 1px solid #ddd; 
    max-width: 350px; 
    margin: 0 auto; 
}

#contact-email { 
    font-family: monospace; 
    font-size: 1.1rem; 
    color: #1a237e; 
    font-weight: bold; 
    word-break: break-all; 
}

#copy-email-btn { 
    padding: 8px 12px; 
    border: 1px solid #ccc; 
    background-color: #fff; 
    border-radius: 5px; 
    cursor: pointer; 
    font-weight: bold; 
    transition: background-color 0.2s; 
}

#copy-email-btn:hover { 
    background-color: #f0f0f0; 
}

.cta-button { 
    display: inline-block; 
    color: #ffffff; 
    padding: 15px 30px; 
    border-radius: 5px; 
    text-decoration: none; 
    font-weight: bold; 
    font-size: 1.1rem; 
    transition: background-color 0.3s ease, transform 0.2s ease; 
}

.cta-button:hover, .cta-button:focus { 
    transform: translateY(-2px); 
    outline: none; 
}

.whatsapp-button { 
    background-color: #25D366; 
}

.whatsapp-button:hover { 
    background-color: #128C7E; 
}

footer { 
    width: 100%; 
    text-align: center; 
    padding: 20px 0; 
    margin-top: auto; 
    font-size: 0.9rem; 
    color: #888; 
}

@media (max-width: 600px) { 
    .container { margin: 10px; padding: 25px; } 
    header h1 { font-size: 1.6rem; } 
    .content p { font-size: 1rem; } 
    .cta-button { padding: 12px 25px; font-size: 1rem; } 
}