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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 480px;
}

.domain-card {
    background: #000000;
    border-radius: 2px;
    padding: 60px 40px;
    text-align: center;
    position: relative;
}

.domain-name {
    font-size: 2.25rem;
    font-weight: 300;
    color: #ffffff;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.sale-text {
    font-size: 1.5rem;
    color: #ff0000;
    font-weight: 300;
    margin-bottom: 32px;
    letter-spacing: 2px;
    line-height: 1.4;
}

.price-section {
    margin-bottom: 32px;
}

.main-price {
    font-size: 2rem;
    font-weight: 200;
    color: #ffffff;
    display: block;
    margin-bottom: 8px;
}

.negotiate-text {
    font-size: 0.875rem;
    color: #666666;
    font-weight: 400;
}

.button-group {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn {
    padding: 16px 32px;
    border: 1px solid #ffffff;
    background: transparent;
    color: #ffffff;
    border-radius: 2px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 1;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn:hover {
    background: #ffffff;
    color: #000000;
}

.features {
    display: flex;
    justify-content: space-between;
    margin-bottom: 48px;
    padding: 0 20px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.feature-item i {
    font-size: 1.25rem;
    color: #ffffff;
}

.feature-item span {
    font-size: 0.75rem;
    color: #999999;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-top: 1px solid #333333;
    padding-top: 32px;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: #666666;
    font-size: 0.875rem;
    font-weight: 400;
}

.contact-item i {
    font-size: 0.875rem;
    color: #999999;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    
    .domain-card {
        padding: 40px 30px;
    }
    
    .domain-name {
        font-size: 2rem;
    }
    
    .main-price {
        font-size: 1.75rem;
    }
    
    .button-group {
        flex-direction: column;
        gap: 12px;
    }
    
    .features {
        padding: 0 10px;
    }
}

@media (max-width: 480px) {
    .domain-card {
        padding: 32px 24px;
    }
    
    .domain-name {
        font-size: 1.75rem;
    }
    
    .main-price {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 14px 24px;
        font-size: 0.8rem;
    }
    
    .features {
        flex-direction: column;
        gap: 24px;
        padding: 0;
    }
    
    .feature-item {
        flex-direction: row;
        justify-content: center;
    }
    
    .contact-item {
        font-size: 0.8rem;
    }
}

@media (max-width: 320px) {
    .domain-card {
        padding: 24px 16px;
    }
    
    .domain-name {
        font-size: 1.5rem;
    }
    
    .main-price {
        font-size: 1.25rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.75rem;
    }
}