body {
            font-family: 'Inter', sans-serif;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-color: #000428;
            overflow: hidden;
            position: relative;
        }

        .animated-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: linear-gradient(125deg, #000428, #004e92, #1CB5E0, #000428);
            background-size: 400% 400%;
            animation: gradient-pan 18s ease infinite;
            z-index: -2;
        }

        @keyframes gradient-pan {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        /* Bokeh Background Effect */
        .bokeh-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            overflow: hidden;
            z-index: -1;
        }

        .bokeh-bg span {
            position: absolute;
            bottom: -150px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            animation: float 20s infinite;
            filter: blur(5px);
        }

        .bokeh-bg span:nth-child(1) { left: 10%; width: 80px; height: 80px; animation-duration: 25s; animation-delay: -2s; }
        .bokeh-bg span:nth-child(2) { left: 20%; width: 30px; height: 30px; animation-duration: 15s; animation-delay: -5s; }
        .bokeh-bg span:nth-child(3) { left: 30%; width: 100px; height: 100px; animation-duration: 30s; animation-delay: 0s; }
        .bokeh-bg span:nth-child(4) { left: 40%; width: 50px; height: 50px; animation-duration: 22s; animation-delay: -8s; }
        .bokeh-bg span:nth-child(5) { left: 50%; width: 70px; height: 70px; animation-duration: 18s; animation-delay: -3s; }
        .bokeh-bg span:nth-child(6) { left: 60%; width: 40px; height: 40px; animation-duration: 28s; animation-delay: -1s; }
        .bokeh-bg span:nth-child(7) { left: 70%; width: 90px; height: 90px; animation-duration: 20s; animation-delay: -7s; }
        .bokeh-bg span:nth-child(8) { left: 80%; width: 60px; height: 60px; animation-duration: 24s; animation-delay: -4s; }
        .bokeh-bg span:nth-child(9) { left: 90%; width: 45px; height: 45px; animation-duration: 19s; animation-delay: -9s; }
        .bokeh-bg span:nth-child(10) { left: 5%; width: 110px; height: 110px; animation-duration: 27s; animation-delay: -6s; }

        @keyframes float {
            from { transform: translateY(0) rotate(0deg); opacity: 0.8; }
            to { transform: translateY(-120vh) rotate(360deg); opacity: 0; }
        }


        .glass-card {
            background: rgba(20, 20, 40, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* Custom radio button styles */
        .custom-radio input[type="radio"] {
            display: none;
        }

        .custom-radio label {
            cursor: pointer;
            padding: 0.5rem 1.5rem;
            border-radius: 9999px;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        .custom-radio input[type="radio"]:checked + label {
            background-color: #00BFFF; /* DeepSkyBlue */
            color: white;
            border-color: #00BFFF;
            box-shadow: 0 0 15px rgba(0, 191, 255, 0.5);
        }

        /* Fade-in animations */
        .fade-in {
            animation: fadeIn 0.8s ease-in-out forwards;
        }
        .fade-in-late {
            animation: fadeIn 1.2s ease-in-out forwards;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        #splash-screen {
            transition: opacity 0.8s ease-out, visibility 0.8s ease-out;
            z-index: 100;
        }

        .logo-pulse {
            animation: logoPulse 1.5s infinite alternate;
        }
        @keyframes logoPulse {
            0% { transform: scale(1); }
            100% { transform: scale(1.05); }
        }