/* v6.1 · WhatsApp flutuante + balão de dúvidas */
.wa-float{position:fixed;right:16px;bottom:calc(18px + env(safe-area-inset-bottom));z-index:80;display:flex;flex-direction:column;align-items:flex-end;gap:12px;pointer-events:none}
.wa-float>*{pointer-events:auto}
.wa-button{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#25D366;color:#fff;text-decoration:none;
  box-shadow:0 0 0 2px #fff,0 14px 30px -10px rgba(0,0,0,.5);transition:transform .25s cubic-bezier(.2,.8,.2,1),background .2s}
.wa-button:hover{background:#1ebe5a;transform:translateY(-2px) scale(1.04)}
.wa-button:focus-visible{outline:3px solid #111;outline-offset:3px}
.wa-bubble{position:relative;width:min(290px,calc(100vw - 32px));background:#fff;color:#111;border-radius:16px 16px 4px 16px;padding:18px 18px 16px;
  box-shadow:0 0 0 2px #111,0 22px 44px -18px rgba(0,0,0,.45);opacity:0;transform:translateY(10px) scale(.96);transform-origin:100% 100%;
  transition:opacity .25s,transform .3s cubic-bezier(.2,.8,.2,1)}
.wa-bubble.is-open{opacity:1;transform:none}
.wa-bubble__close{position:absolute;top:6px;right:8px;width:32px;height:32px;border:0;background:none;font-size:22px;line-height:1;color:#555;border-radius:50%}
.wa-bubble__close:hover{background:#f1f1f1;color:#111}
.wa-bubble__kicker{font-weight:800;font-size:17px;letter-spacing:-.02em;margin:0 28px 6px 0}
.wa-bubble__text{font-size:14px;line-height:1.5;color:#444;margin:0 0 14px}
.wa-bubble__cta{display:flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border-radius:10px;background:#25D366;color:#fff;font-weight:800;font-size:15px;text-decoration:none}
.wa-bubble__cta svg{width:22px;height:22px}
.wa-bubble__cta:hover{background:#1ebe5a}
/* "Voltar ao começo" sobe e fica acima do WhatsApp */
.to-top{bottom:calc(88px + env(safe-area-inset-bottom))}
@media(min-width:1101px){.wa-float{right:28px;bottom:28px}.to-top{right:30px;bottom:100px}}
@media(prefers-reduced-motion:reduce){.wa-button,.wa-bubble{transition:none}}