h1 {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color, #1e293b);
    margin-bottom: 25px;
    font-weight: 800;
}

.description {
    margin-bottom: 30px;
    color: #64748b;
    font-size: 1.05rem;
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.sim-wrapper {
    justify-content: center;
    margin: 30px 0;
    overflow: visible;
}
.container { margin: 20px; }
div#total {
    position: relative;
 width: 640px; height: 400px; 
    transform-origin: center center;
}
div#canvas { width: 400px; height: 400px; }
div#panel { left: 400px; width: 240px; height: 400px; } 
.pos1 { left: 10px; }
button { width: 220px; }
.footer-info {
    text-align: center;
    margin-top: 40px;
    font-size: 0.85rem;
    color: #94a3b8;
}