/* Pulsante WhatsApp sempre visibile */
.whatsapp-button{position:fixed;right:24px;bottom:24px;z-index:40;display:flex;align-items:center;gap:0;height:58px;padding:0 15px;border-radius:30px;background:#25d366;color:#fff;font:700 13px/1 Arial,Helvetica,sans-serif;letter-spacing:.02em;box-shadow:0 10px 30px #0006;text-decoration:none;transition:gap .35s cubic-bezier(.22,1,.36,1),padding .35s cubic-bezier(.22,1,.36,1),transform .3s,box-shadow .3s,opacity .25s}
.whatsapp-button svg{flex:0 0 28px;width:28px;height:28px;fill:currentColor}
.whatsapp-button span{max-width:0;overflow:hidden;white-space:nowrap;transition:max-width .4s cubic-bezier(.22,1,.36,1)}
.whatsapp-button:before{content:'';position:absolute;inset:0;z-index:-1;border-radius:inherit;background:#25d366;animation:whatsapp-pulse 2.6s ease-out infinite}
.whatsapp-button:hover,.whatsapp-button:focus-visible{gap:10px;padding:0 20px 0 15px;transform:translateY(-3px);box-shadow:0 16px 36px #0008}
.whatsapp-button:hover span,.whatsapp-button:focus-visible span{max-width:180px}
.whatsapp-button:focus-visible{outline:2px solid #fff;outline-offset:4px}
body.nav-open .whatsapp-button{opacity:0;pointer-events:none}
.hero .video-control{right:calc(6% + 78px)}
@keyframes whatsapp-pulse{0%{opacity:.55;transform:scale(1)}70%,100%{opacity:0;transform:scale(1.35)}}
@media(max-width:560px){.whatsapp-button{right:16px;bottom:16px;height:54px;padding:0 13px}.hero .video-control{right:88px}}
@media(prefers-reduced-motion:reduce){.whatsapp-button,.whatsapp-button span{transition:none}.whatsapp-button:before{animation:none;opacity:0}}