Gradient CTA Button with Shine Hover Effect

<button class="reserve-btn w-full max-w-xs h-14 shadow-blue-900/30 hover:scale-105 hover:shadow-3xl hover:shadow-purple-500/40 active:scale-95 transition-all duration-300 relative overflow-hidden text-lg font-semibold text-white bg-gradient-to-r from-blue-600 to-purple-600 rounded-2xl shadow-2xl" style="position: relative; overflow: hidden;">
              <span class="relative z-10">Reserve Now</span>
              <div class="button-shine absolute inset-0 bg-gradient-to-r from-transparent via-white/20 to-transparent -translate-x-full"></div>
            </button>