h2{font-size:2rem;font-weight:700;line-height:1.4;margin-bottom:1rem;color:#333}h3{font-size:1.5rem;font-weight:600;line-height:1.5;margin-bottom:.75rem;color:#444}@media (max-width:768px){h2{font-size:1.75rem;line-height:1.4}h3{font-size:1.25rem;line-height:1.4}}