#bundle-form {
    font-family: 'Segoe UI', sans-serif;
    display: flex;
    justify-content: center;
    padding: 20px;
}
.bundle-box {
    background: linear-gradient(135deg, #fefcea, #f1da36);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    max-width: 600px;
    width: 100%;
    border: 3px solid #ffd700;
}
.bundle-heading {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 20px;
    font-size: 26px;
    font-weight: bold;
}
.bundle-options, .country-select {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    justify-content: center;
}
.bundle-option, .country-option {
    padding: 16px 20px;
    border: 2px solid #bdc3c7;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: #ffffff;
    font-weight: 600;
    font-size: 18px;
    flex: 1 1 45%;
    text-align: center;
}
.bundle-option:hover, .country-option:hover {
    background-color: #f9e79f;
}
.bundle-option.selected, .country-option.selected {
    background-color: #f1c40f;
    color: #fff;
    border-color: #f39c12;
}
form input[type="text"] {
    width: 100%;
    padding: 18px;
    margin-bottom: 16px;
    border: 2px solid #ccc;
    border-radius: 8px;
    font-size: 18px;
}
.phone-group {
    display: flex;
    align-items: center;
    gap: 8px;
}
.phone-prefix {
    background: #34495e;
    color: white;
    align-items: center;
    padding: 10px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 18px;
}
#place-order {
    background: #27ae60;
    color: #fff;
    padding: 18px;
    width: 100%;
    border: none;
    border-radius: 10px;
    font-size: 20px;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-top: 15px;
}
#place-order:hover {
    animation: shake 0.4s ease-in-out;
    background: #219150;
}
@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    50% { transform: translateX(4px); }
    75% { transform: translateX(-4px); }
    100% { transform: translateX(0); }
}
@media only screen and (max-width: 768px) {
    .bundle-box { padding: 20px; }
    .bundle-heading { font-size: 22px; }
    .bundle-option, .country-option {
        font-size: 16px;
        padding: 14px;
        flex: 1 1 100%;
    }
    form input[type="text"], .phone-prefix {
        font-size: 16px;
        padding: 16px;
    }
    #place-order {
        font-size: 18px;
        padding: 16px;
    }
}


.bundle-option, .country-option {
    padding: 14px 20px;
    border: 2px solid #ccc;
    border-radius: 50px;
    cursor: pointer;
    background-color: #ffffff;
    transition: all 0.3s ease;
    font-size: 18px;
    font-weight: 600;
    flex: 1 1 auto;
    text-align: center;
    min-width: 120px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.bundle-option:hover, .country-option:hover {
    background-color: #ffeaa7;
    border-color: #f1c40f;
}

.bundle-option.selected, .country-option.selected {
    background-color: #f1c40f;
    border-color: #f39c12;
    color: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}