/* Botón flotante para volver arriba */
#scrollToTopBtn {
    position: fixed;
    right: 2rem;
    bottom: 2.5rem;
    z-index: 120;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(163,134,177,0.18) 0%, rgba(144,212,189,0.18) 100%);
    box-shadow: 0 8px 32px rgba(163,134,177,0.18), 0 2px 8px rgba(144,212,189,0.12);
    border: 1.5px solid rgba(255,255,255,0.35);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(.25,.46,.45,.94), transform 0.5s cubic-bezier(.25,.46,.45,.94);
    transform: scale(0.8);
}
#scrollToTopBtn.visible {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
}
#scrollToTopBtn svg {
    transition: transform 0.3s cubic-bezier(.25,.46,.45,.94);
}
#scrollToTopBtn:hover svg {
    transform: translateY(-4px) scale(1.08);
}
@media (max-width: 600px) {
    #scrollToTopBtn {
        right: 1rem;
        bottom: 1.2rem;
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 600px) {
    #scrollToTopBtn {
        right: 1rem;
        bottom: 1.2rem;
        width: 44px;
        height: 44px;
    }
}