.modal-backdrop {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    display: none; /* Başlangıçta gizli */
    align-items: center; 
    justify-content: center;
    z-index: 9999;
}

.modal-content {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    position: relative;
    max-width: 400px;
    width: 90%;
    animation: fadeIn 0.4s ease;
}

.close-btn {
    position: absolute;
    top: 10px; right: 10px;
    background: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
}

.discount-badge {
    background: #e63946;
    color: #fff;
    padding: 8px 15px;
    border-radius: 50px;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 15px;
}

.campaign-title {
    font-size: 22px;
    font-weight: bold;
    margin: 10px 0;
}

.campaign-description {
    font-size: 16px;
    margin: 10px 0;
}

.highlight {
    color: #e63946;
    font-weight: bold;
}

.campaign-button {
    background: #2a9d8f;
    color: #fff;
    border: none;
    padding: 12px 20px;
    margin-top: 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: 0.3s;
}
.campaign-button:hover {
    background: #21867a;
}

@keyframes fadeIn {
    from {opacity: 0; transform: scale(0.9);}
    to {opacity: 1; transform: scale(1);}
}