:root{--atr-float-primary:#667eea;--atr-float-secondary:#764ba2;--atr-float-shadow:0 4px 12px rgba(102,126,234,0.15);--atr-float-shadow-hover:0 8px 24px rgba(102,126,234,0.25);--atr-float-z-index:9999}.atr-float-buttons{position:fixed;bottom:24px;right:24px;z-index:var(--atr-float-z-index);display:flex;flex-direction:column-reverse;align-items:flex-end;gap:12px}.atr-float-toggle{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--atr-float-primary),var(--atr-float-secondary));border:none;box-shadow:var(--atr-float-shadow);cursor:pointer;display:flex;align-items:center;justify-content:center;color:white;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);position:relative;z-index:10}.atr-float-toggle:hover{transform:scale(1.05);box-shadow:var(--atr-float-shadow-hover)}.atr-float-toggle:active{transform:scale(0.95)}.atr-float-icon{position:absolute;transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}.atr-float-icon-open{opacity:1;transform:rotate(0deg)}.atr-float-icon-close{opacity:0;transform:rotate(-90deg)}.atr-float-buttons.is-open .atr-float-icon-open{opacity:0;transform:rotate(90deg)}.atr-float-buttons.is-open .atr-float-icon-close{opacity:1;transform:rotate(0deg)}.atr-float-menu{display:flex;flex-direction:column-reverse;gap:10px;max-height:0;opacity:0;overflow:hidden;transition:all 0.4s cubic-bezier(0.4,0,0.2,1);pointer-events:none}.atr-float-buttons.is-open .atr-float-menu{max-height:300px;opacity:1;pointer-events:all}.atr-float-button{display:flex;align-items:center;gap:12px;padding:12px 20px 12px 16px;background:white;border-radius:28px;box-shadow:0 2px 8px rgba(0,0,0,0.08);text-decoration:none;color:#2d3748;font-size:14px;font-weight:500;transition:all 0.3s cubic-bezier(0.4,0,0.2,1);white-space:nowrap;transform:translateY(10px);opacity:0}.atr-float-buttons.is-open .atr-float-button{transform:translateY(0);opacity:1}.atr-float-buttons.is-open .atr-float-button:nth-child(1){transition-delay:0.05s}.atr-float-buttons.is-open .atr-float-button:nth-child(2){transition-delay:0.1s}.atr-float-buttons.is-open .atr-float-button:nth-child(3){transition-delay:0.15s}.atr-float-button:hover{transform:translateX(-4px) scale(1.02);box-shadow:0 4px 16px rgba(0,0,0,0.12)}.atr-float-button:active{transform:translateX(-4px) scale(0.98)}.atr-float-button svg{flex-shrink:0;width:20px;height:20px}.atr-float-whatsapp{color:#25D366}.atr-float-whatsapp svg{color:#25D366}.atr-float-whatsapp:hover{background:#25D366;color:white}.atr-float-whatsapp:hover svg{color:white}.atr-float-phone{color:#4A5568}.atr-float-phone svg{color:#4A5568}.atr-float-phone:hover{background:var(--atr-float-primary);color:white}.atr-float-phone:hover svg{color:white;stroke:white}.atr-float-book{background:linear-gradient(135deg,var(--atr-float-primary),var(--atr-float-secondary));color:white;font-weight:600}.atr-float-book svg{color:white;stroke:white}.atr-float-book:hover{background:linear-gradient(135deg,var(--atr-float-secondary),var(--atr-float-primary));box-shadow:0 6px 20px rgba(102,126,234,0.3)}.atr-float-button-label{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;letter-spacing:0.01em}@media (max-width:768px){.atr-float-buttons{bottom:20px;right:20px;gap:10px}.atr-float-toggle{width:52px;height:52px}.atr-float-button{padding:10px 16px 10px 12px;font-size:13px}.atr-float-button svg{width:18px;height:18px}}@media (max-width:480px){.atr-float-buttons{bottom:16px;right:16px}.atr-float-toggle{width:48px;height:48px}.atr-float-button{padding:8px 14px 8px 10px;font-size:12px;gap:8px}}.atr-float-toggle:focus,.atr-float-button:focus{outline:2px solid var(--atr-float-primary);outline-offset:2px}@media (prefers-reduced-motion:reduce){.atr-float-buttons,.atr-float-buttons *,.atr-float-toggle,.atr-float-menu,.atr-float-button{transition:none !important;animation:none !important}}@media (prefers-color-scheme:dark){.atr-float-button{background:#2d3748;color:#e2e8f0;box-shadow:0 2px 8px rgba(0,0,0,0.3)}.atr-float-button:hover{box-shadow:0 4px 16px rgba(0,0,0,0.4)}.atr-float-phone{color:#e2e8f0}.atr-float-phone svg{color:#e2e8f0}}@media print{.atr-float-buttons{display:none !important}}