/* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }

        ::-webkit-scrollbar-thumb {
            background: linear-gradient(45deg, #6366f1, #ec4899);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(45deg, #4f46e5, #db2777);
        }

        /* Glassmorphism effect */
        .glass {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .glass-dark {
            background: rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* Animated gradient backgrounds */
        .bg-gradient-animated {
            background: linear-gradient(-45deg, #6366f1, #ec4899, #f59e0b, #10b981);
            background-size: 400% 400%;
            animation: gradient-xy 15s ease infinite;
        }

        .bg-gradient-animated-slow {
            background: linear-gradient(-45deg, #6366f1, #8b5cf6, #ec4899, #f59e0b);
            background-size: 400% 400%;
            animation: gradient-xy 20s ease infinite;
        }

        /* Button hover effects */
        .btn-primary {
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s;
        }

        .btn-primary:hover::before {
            left: 100%;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
        }

        .btn-secondary {
            background: linear-gradient(135deg, #ec4899 0%, #f59e0b 100%);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-secondary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s;
        }

        .btn-secondary:hover::before {
            left: 100%;
        }

        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(236, 72, 153, 0.3);
        }

        /* Card hover effects */
        .card-hover {
            transition: all 0.3s ease;
        }

        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }

        /* Floating elements */
        .floating {
            animation: float 6s ease-in-out infinite;
        }

        .floating-delayed {
            animation: float 6s ease-in-out infinite;
            animation-delay: -3s;
        }

        /* Text gradient */
        .text-gradient {
            background: linear-gradient(135deg, #6366f1, #ec4899, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Loading spinner */
        .spinner {
            border: 2px solid #f3f3f3;
            border-top: 2px solid #6366f1;
            border-radius: 50%;
            width: 16px;
            height: 16px;
            animation: spin 1s linear infinite;
        }

        /* Success checkmark animation */
        .checkmark {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: block;
            stroke-width: 2;
            stroke: #fff;
            stroke-miterlimit: 10;
            box-shadow: inset 0px 0px 0px #10b981;
            animation: fill 0.4s ease-in-out 0.4s forwards, scale 0.3s ease-in-out 0.9s both;
        }

        .checkmark__circle {
            stroke-dasharray: 166;
            stroke-dashoffset: 166;
            stroke-width: 2;
            stroke-miterlimit: 10;
            stroke: #10b981;
            fill: none;
            animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
        }

        .checkmark__check {
            transform-origin: 50% 50%;
            stroke-dasharray: 48;
            stroke-dashoffset: 48;
            animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
        }

        @keyframes stroke {
            100% {
                stroke-dashoffset: 0;
            }
        }

        @keyframes scale {
            0%, 100% {
                transform: none;
            }
            50% {
                transform: scale3d(1.1, 1.1, 1);
            }
        }

        @keyframes fill {
            100% {
                box-shadow: inset 0px 0px 0px 30px #10b981;
            }
        }

        /* Form states */
        .form-success {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: white;
        }

        /* Intersection Observer animations */
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(50px);
            transition: all 0.8s ease-out;
        }

        .animate-on-scroll.animate {
            opacity: 1;
            transform: translateY(0);
        }

        /* Particle background */
        .particles {
            position: absolute;
            width: 100%;
            height: 100%;
            overflow: hidden;
            pointer-events: none;
        }

        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: linear-gradient(45deg, #6366f1, #ec4899);
            border-radius: 50%;
            animation: float 8s ease-in-out infinite;
        }