/* Container */
.airtime-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 40px;
    flex-wrap: wrap;
}

/* Card Styling */
.airtime-card {
    width: 280px;
    padding: 25px;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0px 8px 25px rgba(0,0,0,0.08);
    text-align: center;
    transition: 0.3s;
    position: relative;
}

.airtime-card:hover {
    transform: translateY(-8px);
    box-shadow: 0px 15px 35px rgba(0,0,0,0.12);
}

/* Brand Themes */
.safaricom {
    border-top: 6px solid #1F9E2C;
}

.airtel {
    border-top: 6px solid #D90000;
}

/* Bonga Theme */
.bonga {
    border-top: 6px solid #0057ff; /* Royal Blue */
}

/* Logo */
.network-logo {
    width: 130px;
    height: auto;
    margin-bottom: 10px;
}

/* Discount Tag */
.discount-tag {
    background: #f3f3f3;
    padding: 5px 12px;
    display: inline-block;
    border-radius: 30px;
    font-size: 13px;
    margin-bottom: 10px;
}

/* Card Heading */
.airtime-card h3 {
    margin: 10px 0 20px;
    font-size: 18px;
    font-weight: 600;
}

/* Buttons */
.buy-btn {
    width: 100%;
    padding: 12px;
    border-radius: 30px;
    border: none;
    font-size: 15px;
    cursor: pointer;
    transition: 0.25s;
    color: #fff;
}

/* Individual Button Colors */
.safaricom .buy-btn {
    background: #1F9E2C;
}

.airtel .buy-btn {
    background: #D90000;
}

.bonga .buy-btn {
    background: #0057ff;
}

.buy-btn:hover {
    opacity: 0.9;
}