.scroll-to-top{font-size:20px}@media (max-width:768px){.scroll-to-top{bottom:20px;right:20px;width:45px;height:45px;font-size:18px}}@media (max-width:480px){.scroll-to-top{bottom:15px;right:15px;width:40px;height:40px;font-size:16px}}.scroll-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,#007bff,#00b4ff);color:white;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(0,123,255,.3);opacity:0;visibility:hidden;transition:all .3s ease;z-index:1000}.scroll-to-top svg{width:24px;height:24px;transition:transform .3s ease}.scroll-to-top.visible{opacity:1;visibility:visible}.scroll-to-top:hover{transform:translateY(-5px);box-shadow:0 6px 20px rgba(0,123,255,.4);background:linear-gradient(135deg,#0056b3,#004085)}.scroll-to-top:active,.scroll-to-top:hover svg{transform:translateY(-2px)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.scroll-to-top.visible{animation:fadeInUp .3s ease forwards}@media (max-width:768px){.scroll-to-top{bottom:20px;right:20px;width:45px;height:45px}.scroll-to-top svg{width:20px;height:20px}}@media (max-width:480px){.scroll-to-top{bottom:15px;right:15px;width:40px;height:40px}.scroll-to-top svg{width:18px;height:18px}}