* {
    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, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

.logo-wrapper {
    position: relative;
    z-index: 10;
    animation: fadeInUp 1.2s ease-out;
}

.logo {
    max-width: 90vw;
    max-height: 60vh;
    width: auto;
    height: auto;
    display: block;
    filter: drop-shadow(0 0 30px rgba(59, 130, 246, 0.3));
    animation: float 6s ease-in-out infinite;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 40px rgba(59, 130, 246, 0.5));
}

.background-effects {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.2);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo {
        max-width: 85vw;
        max-height: 50vh;
    }
    
    .glow-effect {
        width: 400px;
        height: 400px;
    }
}

@media (max-width: 480px) {
    .logo {
        max-width: 80vw;
        max-height: 40vh;
    }
    
    .glow-effect {
        width: 300px;
        height: 300px;
    }
}