.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}
.lab-card {
    display: flex; flex-direction: column;
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: 1.4rem 1.5rem;
    text-decoration: none; color: inherit;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.lab-card:hover {
    border-color: var(--mint-deep); background: var(--surface-2); transform: translateY(-2px);
}
.lab-card.is-coming { opacity: 0.7; }
.lab-card.is-coming:hover { transform: none; cursor: default; }
.lab-card .header-row {
    display: flex; align-items: center; justify-content: space-between;
    gap: 0.7rem; margin-bottom: 0.6rem;
}
.lab-card h3 {
    margin: 0; font-size: 1.1rem;
    font-family: var(--font-display); color: var(--text-0);
}
.status-badge {
    font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    padding: 0.18rem 0.55rem; border-radius: 3px; flex-shrink: 0;
}
.status-live    { background: rgba(70, 208, 154, 0.12);  color: var(--mint-deep);  border: 1px solid rgba(70, 208, 154, 0.30); }
.status-demo    { background: rgba(233, 198, 109, 0.10); color: var(--amber);     border: 1px solid rgba(233, 198, 109, 0.30); }
.status-soon    { background: rgba(105, 134, 121, 0.12); color: var(--text-3);    border: 1px solid rgba(105, 134, 121, 0.30); }
.status-pending { background: rgba(239, 146, 115, 0.10); color: var(--coral);     border: 1px solid rgba(239, 146, 115, 0.30); }
.lab-card .summary {
    color: var(--text-1); font-size: 0.95rem; line-height: 1.55;
    margin: 0 0 1rem; flex: 1 1 auto;
}
.lab-card .stack {
    display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: auto;
    font-family: var(--font-mono); font-size: 0.74rem;
}
.lab-card .stack span {
    padding: 0.1rem 0.5rem; border-radius: 3px;
    background: var(--bg-1); border: 1px solid var(--line); color: var(--text-2);
}
.lab-section { margin: 3rem 0 1.5rem; }
.lab-section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 2.2rem 0 1rem;
}
.lab-section-copy {
    color: var(--text-2);
    font-size: 0.92rem;
    margin: 0;
    max-width: 56ch;
}
.lab-rationale {
    background: var(--bg-1); border-left: 3px solid var(--mint-deep);
    padding: 0.9rem 1.2rem; border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text-1); font-size: 0.95rem; line-height: 1.6;
    margin: 1rem 0 0;
}
.lab-rationale strong { color: var(--mint); }
.lab-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin: 1.4rem 0 0;
}
.lab-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--text-2);
    font-size: 0.86rem;
}
.status-interactive {
    background: rgba(70, 208, 154, 0.12);
    color: var(--mint-deep);
    border: 1px solid rgba(70, 208, 154, 0.30);
}
.status-live-data {
    background: rgba(98, 171, 214, 0.12);
    color: var(--info);
    border: 1px solid rgba(98, 171, 214, 0.30);
}
.status-snapshot {
    background: rgba(233, 198, 109, 0.10);
    color: var(--amber);
    border: 1px solid rgba(233, 198, 109, 0.30);
}
.lab-attribution {
    margin: 1rem 0 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.lab-attribution-link {
    display: inline-flex;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 0.75rem 1rem;
    line-height: 0;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.lab-attribution-link:hover,
.lab-attribution-link:focus-visible {
    border-color: var(--mint-deep);
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px var(--mint-deep);
}
.lab-attribution-badge {
    display: block;
    width: 329px;
    max-width: 100%;
    height: auto;
}