.scroll-to-top {
    position: fixed;
    bottom: calc(2rem + 64px);
    right: 2rem;
    z-index: 999;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--orange-100);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(255, 91, 4, 0.4);
    transition: background 0.3s ease;
}

.scroll-to-top:hover {
    background: var(--yellow-100);
    color: var(--dark-grey-100);
}

.scroll-to-top svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}