/**
 * MevaYemek yukarı kaldır butonu stilleri
 * 
 * Geliştirici: Vedat Ardil - www.vedatardil.com.tr
 */

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid #fff;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top i {
    font-size: 1.25rem;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.back-to-top.pulse {
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }
}

@media (max-width: 768px) {
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 576px) {
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 15px;
        right: 15px;
    }
    
    .back-to-top i {
        font-size: 1rem;
    }
}