/* Botón flotante de WhatsApp (mismo diseño que .whatsapp-fab de la landing).
   z-index 38: sobre la barra inferior .d-mobile-bar (35) y bajo el header/menú (40). */
.whatsapp-fab{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:38;width:48px;height:48px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 6px 18px #0c954240;transition:transform .2s,background .2s,bottom .2s}
.whatsapp-fab:hover{background:#1ebe5b;transform:translateY(-2px)}
.whatsapp-fab .icon{width:27px;height:27px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.d-mobile-bar:not([hidden])~.whatsapp-fab{bottom:calc(84px + env(safe-area-inset-bottom))}
@media(max-width:600px){.whatsapp-fab{right:14px;width:46px;height:46px}}