.vr-section {
    padding: 4rem 2rem;
    background: var(--background-color);
    min-height: 600px;
}

.vr-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.unity-desktop {
    position: relative;
    width: 100%;
    height: 600px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.unity-placeholder {
    width: 100%;
    height: 100%;
    background: var(--background-hover);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--background-color);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}