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

        body {
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            overflow: hidden;
        }

        .container {
            text-align: center;
        }

        .hello-text {
            font-size: clamp(4rem, 15vw, 12rem);
            font-weight: 700;
            color: white;
            letter-spacing: -0.02em;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
            animation: fadeIn 1s ease-out, float 3s ease-in-out infinite;
            position: relative;
            z-index: 10;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        /* Subtle background elements */
        .circle {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            animation: pulse 4s ease-in-out infinite;
        }

        .circle:nth-child(1) {
            width: 300px;
            height: 300px;
            top: 20%;
            left: 15%;
            animation-delay: 0s;
        }

        .circle:nth-child(2) {
            width: 200px;
            height: 200px;
            bottom: 20%;
            right: 15%;
            animation-delay: 2s;
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
                opacity: 0.5;
            }
            50% {
                transform: scale(1.1);
                opacity: 0.8;
            }
        }

        /* Optional subtitle line - uncomment to enable */
        /*
        .subtitle {
            margin-top: 20px;
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 300;
            letter-spacing: 0.1em;
        }
        */
    </style>
