.key-cards{grid-template-columns:minmax(0,1fr);gap:clamp(1rem,.75rem + .75vw,1.25rem);margin-block-start:clamp(2rem,1.5rem + 2vw,3rem);display:grid}@media (min-width:64rem){.key-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.key-cards>#key-harmonic{grid-column:1/-1}}