/* Botões flutuantes: WhatsApp (sempre) + "Solicitar diagnóstico" (depois de rolar) — todas as páginas */
.float-cta{position:fixed;right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));z-index:80;display:flex;align-items:center;gap:10px;font-family:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif}
.fc-cta{display:inline-flex;align-items:center;gap:8px;padding:13px 18px;border-radius:999px;text-decoration:none;color:#fff;font:600 14px/1 "Instrument Sans",system-ui,sans-serif;white-space:nowrap;background:linear-gradient(95deg,#2F6BFF,#4B5BFF 55%,#7B4CFF);border:1px solid rgba(140,180,255,.6);box-shadow:0 10px 30px rgba(47,107,255,.45),0 0 0 1px rgba(63,200,255,.2);opacity:0;transform:translateY(14px) scale(.96);pointer-events:none;transition:opacity .35s,transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .25s}
.float-cta.show .fc-cta{opacity:1;transform:none;pointer-events:auto}
.fc-cta:hover{box-shadow:0 14px 38px rgba(47,107,255,.65),0 0 0 1px rgba(63,200,255,.5);transform:translateY(-2px)}
.fc-cta svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.fc-wa{position:relative;display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:#25D366;color:#fff;box-shadow:0 10px 26px rgba(37,211,102,.4);transition:transform .25s,box-shadow .25s}
.fc-wa::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid rgba(37,211,102,.7);animation:fcPing 2.6s ease-out infinite}
@keyframes fcPing{from{transform:scale(1);opacity:.8}to{transform:scale(1.55);opacity:0}}
.fc-wa:hover{transform:scale(1.08);box-shadow:0 14px 32px rgba(37,211,102,.55)}
.fc-wa svg{width:28px;height:28px}
.fc-cta:focus-visible,.fc-wa:focus-visible{outline:2px solid #3FC8FF;outline-offset:3px}
@media (max-width:560px){.fc-cta{padding:12px 15px;font-size:13px}.fc-wa{width:50px;height:50px}}
@media (prefers-reduced-motion:reduce){.fc-wa::before{animation:none}.fc-cta{transition:none}}