/* Blueprint Graphic */
.blueprint-graphic {
    position: relative;
    width: 100%;
    aspect-ratio: 1/1;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.blueprint-graphic::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
    z-index: 0;
}

.blueprint-svg {
    width: 80%;
    height: 80%;
    color: var(--accent-primary);
    position: relative;
    z-index: 10;
}

.blueprint-spin {
    animation: rotateSlow 60s linear infinite;
    transform-origin: center;
}

.blueprint-draw {
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    animation: drawPath 4s cubic-bezier(0.16, 1, 0.3, 1) forwards infinite alternate;
}

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

.fastener-icon {
    width: 100%;
    height: 100%;
    color: var(--accent-primary);
    transition: var(--transition-slow);
}

.product-card:hover .fastener-icon {
    transform: scale(1.1) rotate(5deg);
}