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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}

.content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.main-text {
    font-size: 4.5rem;
    font-weight: bold;
    margin-bottom: 2rem;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.5),
                 0 0 40px rgba(255, 255, 255, 0.3),
                 0 0 60px rgba(255, 255, 255, 0.2);
    animation: glow 2s ease-in-out infinite alternate,
               fadeInUp 1.5s ease-out;
    letter-spacing: 3px;
}

.signature {
    font-size: 2rem;
    font-style: italic;
    opacity: 0.9;
    animation: fadeIn 2s ease-out 0.5s both,
               float 3s ease-in-out infinite;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
    letter-spacing: 2px;
}

@keyframes glow {
    from {
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.5),
                    0 0 40px rgba(255, 255, 255, 0.3),
                    0 0 60px rgba(255, 255, 255, 0.2);
    }
    to {
        text-shadow: 0 0 30px rgba(255, 255, 255, 0.8),
                    0 0 60px rgba(255, 255, 255, 0.5),
                    0 0 90px rgba(255, 255, 255, 0.3);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 0.9;
    }
}

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

/* Responsive */
@media (max-width: 768px) {
    .main-text {
        font-size: 2.5rem;
    }
    .signature {
        font-size: 1.5rem;
    }
}