/* ===== WHATSAPP FLOAT ===== */
    .wa-float {
      position: fixed; bottom: 2rem; right: 2rem; z-index: 999;
      width: 54px; height: 54px; background: #25d366; border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 4px 16px rgba(0,0,0,.2); text-decoration: none;
      transition: transform .2s;
    }
    .wa-float:hover { transform: scale(1.1); }
    .wa-float i { color: #fff; font-size: 1.6rem; }