body {
            font-family: 'Inter', sans-serif;
            background-color: #e0f2fe;
            color: #0f172a;
            overflow-x: hidden;
        }
        .gradient-text {
            background: linear-gradient(to right, #3b82f6, #38bdf8);
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-size: 200% auto;
            animation: gradient-move 8s ease infinite;
            text-shadow: 0 2px 8px rgba(56, 189, 248, 0.35);
        }
        .card {
            background-color: #ffffff;
            border: 1px solid #bae6fd;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            transform-style: preserve-3d;
            perspective: 1000px;
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.2), 0 4px 6px -2px rgba(59, 130, 246, 0.1);
        }
        .btn {
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .btn-primary {
            background-color: #3b82f6;
        }
        .btn-primary:hover {
            background-color: #2563eb;
        }
        .tos-section h3 {
            border-left: 3px solid #3b82f6;
            padding-left: 1rem;
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 1.5rem;
            margin-bottom: 1rem;
        }
        .tos-section ul {
            list-style-type: none;
            padding-left: 1rem;
        }
        .tos-section li {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 0.5rem;
        }
        .tos-section li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: #3b82f6;
        }
        @keyframes gradient-move {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        @keyframes fade-up {
            0% { opacity: 0; transform: translateY(12px); }
            100% { opacity: 1; transform: translateY(0); }
        }
        .animate-fade-up { opacity: 0; animation: fade-up 0.8s ease-out forwards; }
        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }
        @keyframes float-y {
            0% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
            100% { transform: translateY(0); }
        }
        .float { animation: float-y 6s ease-in-out infinite; }
        .btn:hover { transform: translateY(-2px); box-shadow: 0 10px 20px -8px rgba(56, 189, 248, 0.45); }
        .nav-link { position: relative; }
        .nav-link::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 2px; background: #38bdf8; transition: width 0.25s ease; }
        .nav-link:hover::after { width: 100%; }
        .glow-blue { box-shadow: 0 0 0 2px #7dd3fc inset, 0 12px 20px -12px rgba(56, 189, 248, 0.6); }
        @keyframes intro-rise {
            0% { opacity: 0; transform: translateY(16px) scale(0.98); filter: blur(6px); }
            100% { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
        }
        @keyframes pulse-in {
            0% { transform: scale(0.92); opacity: 0; }
            100% { transform: scale(1); opacity: 1; }
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background: radial-gradient(1200px 600px at 50% -10%, rgba(56, 189, 248, 0.28), transparent 60%);
            pointer-events: none;
            transform: scale(0.92);
            opacity: 0;
            animation: pulse-in 900ms ease-out forwards;
        }
        .intro { opacity: 0; animation: intro-rise 800ms cubic-bezier(0.22, 1, 0.36, 1) forwards; }
        .intro-delay-1 { animation-delay: 0.12s; }
        .intro-delay-2 { animation-delay: 0.24s; }
        .intro-delay-3 { animation-delay: 0.36s; }
        .intro-delay-4 { animation-delay: 0.48s; }
        .neon-text { text-shadow: 0 0 1px rgba(56, 189, 248, 0.9), 0 0 8px rgba(56, 189, 248, 0.65), 0 0 22px rgba(59, 130, 246, 0.6); animation: neon-pulse 3.2s ease-in-out infinite alternate; }
        @keyframes neon-pulse { 0% { text-shadow: 0 0 1px rgba(56, 189, 248, 0.7), 0 0 6px rgba(56, 189, 248, 0.5), 0 0 16px rgba(59, 130, 246, 0.45);} 100% { text-shadow: 0 0 2px rgba(56, 189, 248, 1), 0 0 14px rgba(56, 189, 248, 0.9), 0 0 34px rgba(59, 130, 246, 0.85);} }
        .btn.shine { position: relative; overflow: hidden; }
        .btn.shine::after { content: ""; position: absolute; top: 0; left: -150%; width: 120%; height: 100%; background: linear-gradient(120deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.45) 45%, rgba(255,255,255,0) 75%); transform: skewX(-20deg); animation: shine-sweep 3s ease-in-out infinite; }
        @keyframes shine-sweep { 0% { left: -150%; } 60% { left: 150%; } 100% { left: 150%; } }
        .btn-pulse { animation: pulse-shadow 2.6s ease-in-out infinite; }
        @keyframes pulse-shadow { 0% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.0), 0 10px 18px -12px rgba(56,189,248,0.35);} 50% { box-shadow: 0 0 0 8px rgba(56, 189, 248, 0.08), 0 18px 26px -12px rgba(56,189,248,0.45);} 100% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.0), 0 10px 18px -12px rgba(56,189,248,0.35);} }
        .badge-pulse { animation: badge-pop 1.8s ease-in-out infinite; }
        @keyframes badge-pop { 0%,100% { transform: translateY(0) scale(1);} 50% { transform: translateY(-2px) scale(1.06);} }
        #particles { position: fixed; inset: 0; pointer-events: none; z-index: 10; }
        .bubble { position: absolute; bottom: -40px; width: 8px; height: 8px; background: radial-gradient(circle at 30% 30%, #a5f3fc, #38bdf8 60%, transparent 70%); border-radius: 999px; opacity: 0.8; filter: blur(0.2px); animation: rise-bubble linear infinite; }
        @keyframes rise-bubble { 0% { transform: translate3d(0, 0, 0) scale(0.9); opacity: 0; } 10% { opacity: 0.8; } 100% { transform: translate3d(var(--bx, 0px), -110vh, 0) scale(1.2); opacity: 0; } }
        .card { transform-style: preserve-3d; }
        @keyframes slide-in-left {
            0% { opacity: 0; transform: translateX(-50px); }
            100% { opacity: 1; transform: translateX(0); }
        }
        @keyframes slide-in-right {
            0% { opacity: 0; transform: translateX(50px); }
            100% { opacity: 1; transform: translateX(0); }
        }
        @keyframes scale-in {
            0% { opacity: 0; transform: scale(0.8); }
            100% { opacity: 1; transform: scale(1); }
        }
        @keyframes rotate-in {
            0% { opacity: 0; transform: rotate(-180deg) scale(0.5); }
            100% { opacity: 1; transform: rotate(0deg) scale(1); }
        }
        @keyframes bounce-in {
            0% { opacity: 0; transform: scale(0.3); }
            50% { opacity: 1; transform: scale(1.05); }
            70% { transform: scale(0.9); }
            100% { opacity: 1; transform: scale(1); }
        }
        @keyframes typing {
            from { width: 0; }
            to { width: 100%; }
        }
        @keyframes blink-caret {
            from, to { border-color: transparent; }
            50% { border-color: #3b82f6; }
        }
        .typing-effect {
            overflow: hidden;
            border-right: 3px solid #3b82f6;
            white-space: nowrap;
            animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
        }
        .scroll-animate {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease-out;
        }
        .scroll-animate.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .parallax {
            transform: translateZ(0);
            will-change: transform;
        }
        .btn-click {
            animation: click-ripple 0.6s ease-out;
        }
        @keyframes click-ripple {
            0% { transform: scale(1); }
            50% { transform: scale(0.95); }
            100% { transform: scale(1); }
        }
        .card-flip {
            transition: transform 0.8s;
            transform-style: preserve-3d;
        }
        .card-flip:hover {
            transform: rotateY(10deg) rotateX(5deg);
        }
        .loading-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            animation: fade-out 1s ease-out 2s forwards;
        }
        @keyframes fade-out {
            to { opacity: 0; visibility: hidden; }
        }
        .loading-spinner {
            width: 50px;
            height: 50px;
            border: 4px solid #e0f2fe;
            border-top: 4px solid #3b82f6;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        .floating-icon {
            animation: float-3d 4s ease-in-out infinite;
        }
        @keyframes float-3d {
            0%, 100% { transform: translateY(0px) rotateY(0deg); }
            25% { transform: translateY(-10px) rotateY(5deg); }
            50% { transform: translateY(-5px) rotateY(0deg); }
            75% { transform: translateY(-15px) rotateY(-5deg); }
        }
        .text-glow {
            animation: text-glow 2s ease-in-out infinite alternate;
        }
        @keyframes text-glow {
            from { text-shadow: 0 0 5px rgba(59, 130, 246, 0.5); }
            to { text-shadow: 0 0 20px rgba(59, 130, 246, 0.8), 0 0 30px rgba(59, 130, 246, 0.6); }
        }
        .particle {
            position: absolute;
            background: radial-gradient(circle, #38bdf8, transparent);
            border-radius: 50%;
            pointer-events: none;
            animation: particle-float 6s ease-in-out infinite;
        }
        @keyframes particle-float {
            0%, 100% { transform: translateY(0px) scale(1); opacity: 0.7; }
            50% { transform: translateY(-20px) scale(1.2); opacity: 1; }
        }
        .nav-link {
            position: relative;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            transform: translateY(-2px);
        }
        .nav-link::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, transparent, rgba(56, 189, 248, 0.1), transparent);
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }
        .nav-link:hover::before {
            transform: translateX(100%);
        }
        .feature-card {
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        .feature-card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
        }
        .pricing-card {
            transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
        }
        .pricing-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, transparent, rgba(56, 189, 248, 0.05), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
            border-radius: inherit;
        }
        .pricing-card:hover::before {
            opacity: 1;
        }
        .pricing-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 25px 50px rgba(59, 130, 246, 0.2);
        }
        .logo-animate {
            animation: logo-float 4s ease-in-out infinite, logo-glow 3s ease-in-out infinite alternate;
            filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.3));
            transition: all 0.3s ease;
        }
        .logo-animate:hover {
            transform: scale(1.1) rotate(5deg);
            filter: drop-shadow(0 0 20px rgba(56, 189, 248, 0.6));
        }
        @keyframes logo-float {
            0%, 100% { transform: translateY(0px) rotate(0deg); }
            25% { transform: translateY(-8px) rotate(2deg); }
            50% { transform: translateY(-4px) rotate(0deg); }
            75% { transform: translateY(-12px) rotate(-2deg); }
        }
        @keyframes logo-glow {
            0% { filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.3)) brightness(1); }
            100% { filter: drop-shadow(0 0 20px rgba(56, 189, 248, 0.6)) brightness(1.1); }
        }