:root{--primary-button-color: #118A8E; --main-third-color: #0D6D70; --main-fourth-color: #DDEBEB; --main-second-color: #F9F9F9; --product-card-bg: #fff; --product-card-border: #0D6D70; --product-card-color: #118A8E; --border-radius: 8px;} /* Sepe Natural Premium Checkout Butonu */
.checkout-button, .btn-success, #btnCompleteOrder {
    background-color: #118a8e !important;
    border-color: #0d6d70 !important;
    box-shadow: 0 4px 15px rgba(17, 138, 142, 0.2);
    transition: all 0.3s ease;
}

.checkout-button:hover, .btn-success:hover, #btnCompleteOrder:hover {
    background-color: #0d6d70 !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(17, 138, 142, 0.35);
}

/* Seçili Adres/Ödeme Kutusu Çerçevesi */
.selected-box, .active-step {
    border-color: #118a8e !important;
    background-color: #f4f8f9 !important;
}