body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f8f8;
}

.container {
    max-width: 900px;
    margin: auto;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 { 
    text-align: center; 
    color: #333; 
}

.offer, .step {
    display: flex;
    justify-content: space-between;
    background: #fff3e0;
    padding: 15px;
    border-radius: 8px;
    margin: 10px 0;
}

.discount { 
    color: #d84315; 
    font-size: 18px; 
    font-weight: bold; 
}

.btn, .apply-btn {
    background: #ff7043;
    color: white;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.btn:hover, .apply-btn:hover { 
    background: #e64a19; 
}

.step { 
    display: none; 
}

.active { 
    display: block; 
}

.payment-methods { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 10px; 
}

.payment-method {
    flex: 1;
    padding: 10px;
    text-align: center;
    border-radius: 5px;
    cursor: pointer;
    color: white;
    font-weight: bold;
}

.upi { background: #4caf50; }
.card { background: #2196F3; }
.wallet { background: #ff9800; }
.cod { background: #9E9E9E; }

.payment-form {
    display: none;
    padding: 15px;
    background: #e3f2fd;
    border-radius: 5px;
    margin-top: 10px;
}

.payment-form input, .payment-form select {
    width: 100%;
    padding: 8px;
    margin: 5px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}