.integral-hero{padding:clamp(8rem,14vw,13rem) clamp(1.25rem,6vw,7rem) 4rem;background:#0a0a09;color:#f3efe4}.integral-hero h1{max-width:1050px;font-size:clamp(2.7rem,7vw,6.8rem);line-height:.96;margin:1.4rem 0}.integral-hero p{max-width:780px;line-height:1.7}.back-link,.integral-source-link{display:inline-block;margin-top:1rem;color:#cda653;text-decoration:none;border-bottom:1px solid currentColor}.integral-document{padding:clamp(2rem,6vw,6rem);background:#f2eee3}.integral-document pre{max-width:1100px;margin:auto;white-space:pre-wrap;overflow-wrap:anywhere;font:400 1rem/1.75 Georgia,serif;color:#1b1b18}.integral-proof{padding:1.5rem clamp(2rem,6vw,6rem);background:#ded6c4;color:#555;font-size:.8rem;overflow-wrap:anywhere}.integral-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1px;background:#c9c0ad;padding:1px}.integral-card{display:flex;min-height:170px;flex-direction:column;justify-content:space-between;padding:2rem;background:#f3efe4;color:#171713;text-decoration:none}.integral-card:hover{background:#e9dfc9}.integral-card>span{font:500 1.5rem/1.2 Georgia,serif}.integral-card small{color:#756b5c}.integral-source-cta{padding:2rem clamp(1.25rem,6vw,7rem);background:#0a0a09}.integral-source-cta .integral-source-link{font-size:1.05rem}