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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #000000;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.container {
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center, #0a0a0a 0%, #000000 100%);
    position: relative;
}

.logo-wrapper {
    position: relative;
    transform-style: preserve-3d;
    animation: float 6s ease-in-out infinite;
}

.logo {
    width: 300px;
    height: auto;
    display: block;
    filter: drop-shadow(0 10px 30px rgba(0, 255, 255, 0.3));
    transition: all 0.3s ease;
    animation: rotate3d 10s ease-in-out infinite;
    position: relative;
    z-index: 2;
}

.logo:hover {
    filter: drop-shadow(0 15px 40px rgba(0, 255, 255, 0.5))
            drop-shadow(0 15px 40px rgba(138, 43, 226, 0.3))
            drop-shadow(0 15px 40px rgba(0, 255, 136, 0.3));
    transform: translateY(-5px) scale(1.05);
}

.glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 400px;
    height: 400px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle,
        rgba(0, 255, 255, 0.15) 0%,
        rgba(138, 43, 226, 0.1) 30%,
        rgba(0, 255, 136, 0.1) 60%,
        transparent 100%);
    filter: blur(60px);
    animation: pulse 4s ease-in-out infinite, colorShift 8s ease-in-out infinite;
    z-index: 1;
}

.glow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 500px;
    height: 500px;
    transform: translate(-50%, -50%);
    background: conic-gradient(
        from 0deg at 50% 50%,
        rgba(0, 255, 255, 0.1) 0deg,
        rgba(138, 43, 226, 0.05) 120deg,
        rgba(0, 255, 136, 0.1) 240deg,
        rgba(0, 255, 255, 0.1) 360deg
    );
    filter: blur(80px);
    animation: rotate 20s linear infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes rotate3d {
    0% {
        transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
    }
    25% {
        transform: perspective(1000px) rotateY(10deg) rotateX(5deg);
    }
    50% {
        transform: perspective(1000px) rotateY(0deg) rotateX(-5deg);
    }
    75% {
        transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    }
    100% {
        transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
    }
}

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

@keyframes colorShift {
    0%, 100% {
        filter: blur(60px) hue-rotate(0deg);
    }
    33% {
        filter: blur(60px) hue-rotate(60deg);
    }
    66% {
        filter: blur(60px) hue-rotate(-60deg);
    }
}

@keyframes rotate {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .logo {
        width: 200px;
    }
    
    .glow {
        width: 300px;
        height: 300px;
    }
    
    .glow::before {
        width: 350px;
        height: 350px;
    }
}

@media (max-width: 480px) {
    .logo {
        width: 150px;
    }
    
    .glow {
        width: 250px;
        height: 250px;
    }
    
    .glow::before {
        width: 300px;
        height: 300px;
    }
}