@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translate3d(0, 30px, 0);
            }
            to {
                opacity: 1;
                transform: translate3d(0, 0, 0);
            }
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes scaleIn {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }
        
        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translate3d(-30px, 0, 0);
            }
            to {
                opacity: 1;
                transform: translate3d(0, 0, 0);
            }
        }
        
        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translate3d(30px, 0, 0);
            }
            to {
                opacity: 1;
                transform: translate3d(0, 0, 0);
            }
        }
        
        @keyframes bounceGentle {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            33% { transform: translateY(-10px) rotate(1deg); }
            66% { transform: translateY(5px) rotate(-1deg); }
        }
        
        @keyframes pulseGlow {
            0%, 100% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.6); }
            50% { box-shadow: 0 0 0 15px rgba(244, 63, 94, 0); }
        }
        
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.6s ease-out;
        }
        
        .animate-on-scroll.animate {
            opacity: 1;
            transform: translateY(0);
        }
        
        .gradient-text {
            background: linear-gradient(135deg, #f43f5e 0%, #14b8a6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .glass-effect {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .shadow-glow {
            box-shadow: 0 0 30px rgba(244, 63, 94, 0.3);
        }
        
        .card-hover {
            transition: all 0.3s ease;
        }
        
        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .active-nav {
            color: #f43f5e;
            font-weight: 700;
            position: relative;
        }
        
        .active-nav::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, #f43f5e, #14b8a6);
            border-radius: 2px;
        }
        
        .scroll-top-btn {
            transform: translateY(100px);
            opacity: 0;
            transition: all 0.4s ease;
        }
        
        .scroll-top-btn.visible {
            transform: translateY(0);
            opacity: 1;
        }
        
        .workout-card {
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        .workout-card:hover {
            transform: scale(1.03) translateY(-10px);
        }
        
        .pricing-card-popular {
            transform: scale(1.05);
            border: 3px solid #f43f5e;
            box-shadow: 0 25px 50px -12px rgba(244, 63, 94, 0.25);
        }
        
        .progress-ring {
            transform: rotate(-90deg);
        }
        
        .progress-ring-circle {
            transition: stroke-dashoffset 0.5s ease;
        }