.social-float {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 22px;
    text-decoration: none;
    box-shadow: 0 6px 18px rgba(0,0,0,.25);
    transition: transform .25s ease, box-shadow .25s ease, opacity .25s ease;
}

/* Colores */
.social-btn.whatsapp { background: #25D366; }
.social-btn.instagram {
    background: radial-gradient(circle at 30% 110%,
        #fdf497 0%, #fdf497 5%, #fd5949 45%,
        #d6249f 60%, #285AEB 90%);
}
.social-btn.tiktok { background: #000; }
.social-btn.facebook { background: #1877F2; }

/* Hover */
.social-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(0,0,0,.35);
    opacity: .9;
}

/* Mobile safe spacing */
@media (max-width: 768px) {
    .social-float {
        right: 12px;
        bottom: 12px;
    }
}