.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #4289b2 0%, #6ab0da 100%);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 98;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
    background: linear-gradient(135deg, #357aa3 0%, #4289b2 100%);
}

.scroll-to-top:active {
    transform: translateY(-2px);
}

.scroll-to-top svg {
    width: 24px;
    height: 24px;
    stroke: white;
    stroke-width: 2.5;
    fill: none;
}

@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
    }

    .scroll-to-top svg {
        width: 20px;
        height: 20px;
    }
}