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

html, body {
    height: 100%;
    width: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 3px solid #25D366;
    max-width: 500px;
    width: 100%;
    overflow: hidden;
}

.content {
    padding: 40px 30px;
    text-align: center;
}

h1 {
    color: #128C7E;
    font-size: 2.2em;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.domain-name {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    padding: 15px 25px;
    border-radius: 50px;
    font-size: 1.5em;
    font-weight: 600;
    margin: 20px 0 30px 0;
    display: inline-block;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.description {
    color: #666;
    font-size: 1.1em;
    line-height: 1.6;
    margin-bottom: 30px;
}

.features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 30px;
}

.feature {
    background: #f8fffe;
    color: #128C7E;
    padding: 12px 15px;
    border-radius: 10px;
    font-weight: 600;
    border: 2px solid #25D366;
    font-size: 0.95em;
}

.price {
    margin: 30px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.currency {
    font-size: 2em;
    color: #128C7E;
    font-weight: 600;
}

.amount {
    font-size: 3.5em;
    color: #25D366;
    font-weight: 700;
}

.whatsapp-btn {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    border: none;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.2em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px auto;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn:active {
    transform: translateY(-1px);
}

.contact-info {
    color: #888;
    font-size: 0.9em;
    margin-top: 15px;
}

@media (max-width: 600px) {
    .content {
        padding: 30px 20px;
    }
    
    h1 {
        font-size: 1.8em;
    }
    
    .domain-name {
        font-size: 1.3em;
        padding: 12px 20px;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .amount {
        font-size: 2.8em;
    }
    
    .whatsapp-btn {
        padding: 16px 30px;
        font-size: 1.1em;
    }
}