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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Orbitron', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #0a0a0a;
    color: #ffffff;
    position: relative;
}

#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    text-align: center;
    pointer-events: none;
}

.brand {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 700;
    letter-spacing: 0.15em;
    background: linear-gradient(180deg, #666666 0%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    animation: fadeIn 3s ease-out forwards;
    animation-delay: 0.5s;
    text-transform: uppercase;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* Modern subtle glow effect */
.brand::after {
    content: 'TACTEVO';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    filter: blur(40px);
    opacity: 0.2;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.2;
    }
    50% {
        opacity: 0.4;
    }
}

@media (max-width: 768px) {
    .brand {
        font-size: clamp(2rem, 9vw, 3.5rem);
        letter-spacing: 0.1em;
    }
}