* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: #151b2b;
            /* Midnight blue */
            color: #f5f5dc;
            overflow-x: hidden;
            cursor: none;
            min-height: 100vh;
        }

        /* Custom Cursor */
        .cursor {
            width: 20px;
            height: 20px;
            border: 2px solid #4ca6d6;
            border-radius: 50%;
            position: fixed;
            pointer-events: none;
            z-index: 99999;
            transition: all 0.1s ease;
        }

        .cursor-follower {
            width: 40px;
            height: 40px;
            border: 1px solid rgba(76, 166, 214, 0.3);
            border-radius: 50%;
            position: fixed;
            pointer-events: none;
            z-index: 99998;
            transition: all 0.3s ease;
        }

        /* Animated Background - Notes */
        .bg-animation {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            overflow: hidden;
            pointer-events: none;
        }

        .note {
            position: absolute;
            color: #4ca6d6;
            font-size: clamp(20px, 4vw, 40px);
            opacity: 0.15;
            animation: flow cubic-bezier(0.4, 0, 0.2, 1) infinite;
        }

        @keyframes flow {
            0% {
                transform: translateX(-10vw) translateY(0) scale(0.8) rotate(-15deg);
                opacity: 0;
            }

            20% {
                opacity: 0.2;
            }

            50% {
                transform: translateX(50vw) translateY(-50px) scale(1.2) rotate(15deg);
                opacity: 0.3;
            }

            80% {
                opacity: 0.2;
            }

            100% {
                transform: translateX(110vw) translateY(50px) scale(0.8) rotate(-15deg);
                opacity: 0;
            }
        }

        /* Main Container */
        .container {
            position: relative;
            z-index: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 2rem;
        }

        .back-btn {
            position: absolute;
            top: 2rem;
            left: 2rem;
            text-decoration: none;
            color: #4ca6d6;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: none;
            transition: all 0.3s ease;
            z-index: 10;
            border: 1px solid transparent;
            padding: 0.5rem 1rem;
            border-radius: 20px;
        }

        .back-btn:hover {
            color: #aae0fa;
            border-color: rgba(76, 166, 214, 0.3);
            background: rgba(76, 166, 214, 0.1);
            text-shadow: 0 0 10px rgba(76, 166, 214, 0.5);
        }

        .topic-icon {
            font-size: 4rem;
            margin-bottom: 1rem;
            animation: bounce-beat 1s infinite alternate cubic-bezier(0.68, -0.55, 0.265, 1.55);
            text-shadow: 0 0 20px rgba(76, 166, 214, 0.5);
        }

        @keyframes bounce-beat {
            0% {
                transform: scale(1);
            }

            100% {
                transform: scale(1.2);
            }
        }

        .title {
            font-size: clamp(2.5rem, 6vw, 4rem);
            font-weight: 700;
            color: #4ca6d6;
            margin-bottom: 1rem;
            text-align: center;
            letter-spacing: 2px;
            text-shadow: 0 0 15px rgba(76, 166, 214, 0.5);
        }

        .coming-soon {
            font-size: clamp(1rem, 2vw, 1.5rem);
            color: #aae0fa;
            background: rgba(76, 166, 214, 0.15);
            padding: 1rem 2.5rem;
            border-radius: 50px;
            border: 1px solid rgba(76, 166, 214, 0.3);
            backdrop-filter: blur(5px);
            animation: float 4s infinite ease-in-out;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            text-align: center;
        }

        @keyframes float {

            0%,
            100% {
                transform: translateY(0);
            }

            50% {
                transform: translateY(-10px);
            }
        }

        @media (max-width: 768px) {
            body {
                cursor: auto;
            }

            .cursor,
            .cursor-follower {
                display: none;
            }
        }