/* =========================
   SOCIAL FLOAT (WhatsApp + IG + FB)
   ========================= */

.social-float {
    position: fixed;
    right: 18px;
    bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

/* Base button */
.sf-btn {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.6rem;
    text-decoration: none;
    box-shadow: 0 12px 28px rgba(0,0,0,0.25);
    transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}

    /* Hover premium */
    .sf-btn:hover {
        transform: translateY(-4px) scale(1.05);
        box-shadow: 0 18px 40px rgba(0,0,0,0.35);
        filter: brightness(1.08);
    }

/* WhatsApp */
.sf-whatsapp {
    background: linear-gradient(135deg, #25D366, #1EBE5D);
}

/* Instagram */
.sf-instagram {
    background: radial-gradient(circle at 30% 30%, #feda75, #fa7e1e, #d62976, #962fbf, #4f5bd5);
}

/* Facebook */
.sf-facebook {
    background: linear-gradient(135deg, #1877F2, #145DBF);
}

/* Mobile tweak */
@media (max-width: 575.98px) {
    .sf-btn {
        width: 50px;
        height: 50px;
        font-size: 1.45rem;
    }
}