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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb, #4facfe);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

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

.container {
    position: relative;
    z-index: 10;
    text-align: center;
}

h1 {
    font-size: 6rem;
    font-weight: 900;
    color: white;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    letter-spacing: -2px;
    animation: fadeIn 1.5s ease-in-out;
    line-height: 1.2;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(-30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.glow {
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    0% {
        text-shadow: 0 10px 30px rgba(0, 0, 0, 0.3),
                     0 0 20px rgba(255, 255, 255, 0.3);
    }
    100% {
        text-shadow: 0 10px 30px rgba(0, 0, 0, 0.3),
                     0 0 40px rgba(255, 255, 255, 0.6),
                     0 0 60px rgba(255, 255, 255, 0.4);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
}