h1{font-size:2.5rem;font-weight:700;color:#111;margin-bottom:1rem;line-height:1.2;text-align:center}h4{font-size:1.25rem;font-weight:500;color:#444;margin-top:1rem;margin-bottom:.5rem}h5,h6{font-size:1rem;font-weight:500;color:#555;margin-top:.8rem;margin-bottom:.4rem}@media (max-width:768px){h1{font-size:2rem}h4{font-size:1.1rem}h5,h6{font-size:.95rem}}