body {
    font-family: 'Inter', sans-serif;
    background-color: #0f172a;
}

.font-tech {
    font-family: 'Chakra Petch', sans-serif;
}

.lab-bg {
    background-image: linear-gradient(0deg, #0f172a 0%, #1e293b 100%);
}

.graph-line {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: drawLine 2s ease-out forwards;
}

@keyframes drawLine {
    to {
        stroke-dashoffset: 0;
    }
}

.point-hover:hover {
    r: 8;
    cursor: pointer;
    fill: #facc15;
    stroke: white;
}

.tooltip {
    pointer-events: none;
    transition: opacity 0.2s;
}

/* High-quality claymation background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('clay_background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    z-index: -1;
}