.matrix{grid-template-columns:repeat(3,1fr)}.matrix .main{grid-column:1/-1;grid-row:auto;min-height:420px}.matrix article{min-height:250px}.matrix h3{font-size:clamp(24px,2.8vw,40px)}
@media(max-width:900px){.matrix{grid-template-columns:repeat(2,1fr)}.matrix .main{grid-column:1/-1}}
@media(max-width:760px){.matrix{grid-template-columns:1fr}.matrix .main{grid-column:auto;min-height:360px}}