.culture-reading{max-width:1000px}.culture-reading h2{font-size:clamp(1.65rem,3vw,2.4rem);line-height:1.25;margin:48px 0 18px}.culture-reading h3{font-size:1.3rem;line-height:1.4}.culture-reading p{color:#45566a;font-size:1rem;line-height:1.85}.culture-reading a{color:#795223;text-underline-offset:3px}.culture-figure{margin:28px 0}.culture-figure img{display:block;width:100%;height:auto;border-radius:5px}.culture-figure figcaption{font-size:.8rem;line-height:1.6;color:#5a6775;padding:10px 0}.culture-links{display:flex;flex-wrap:wrap;gap:12px 22px;margin:24px 0;font-size:.9rem}.culture-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:24px 0}.culture-card{padding:22px;background:#fff;border-top:2px solid #b58c55}.culture-card h3{margin:4px 0 10px}.culture-reading .source-note{font-size:.84rem;line-height:1.7}.pattern-lab{padding:clamp(20px,4vw,40px);background:#13243b;border-radius:6px;color:#f4f0e9;margin:28px 0}.pattern-lab h3,.pattern-lab p,.pattern-lab label{color:#f4f0e9}.pattern-lab button{font:inherit;cursor:pointer;border:1px solid #8195aa;border-radius:5px;background:#213b55;color:#fff;padding:10px 16px}.pattern-lab button:focus-visible,.pattern-lab input:focus-visible{outline:3px solid #f1c585;outline-offset:4px}.pattern-columns{display:grid;grid-template-columns:repeat(2,100px);gap:16px;justify-content:center;margin:24px auto}.pattern-column{display:grid;gap:8px}.pattern-column button{font:700 1.65rem monospace;min-height:48px}.pattern-lab .lab-controls{display:flex;gap:16px;flex-wrap:wrap;align-items:center}.pattern-lab output{display:block;padding:14px 0;line-height:1.8;font-size:1rem}.pattern-lab input{width:180px;max-width:100%;vertical-align:middle}.culture-reading details summary{cursor:pointer;color:#795223;padding:10px 0;text-decoration:underline;text-underline-offset:3px}.culture-reading table{border-collapse:collapse;width:100%;font-size:.9rem}.culture-reading th,.culture-reading td{text-align:left;vertical-align:top;padding:12px;border-bottom:1px solid #cbd3d5}.culture-reading th{color:#243b50}.culture-reading .math-line{font-size:1.5rem;color:#795223;font-weight:700}.culture-anchor{scroll-margin-top:30px}@media(max-width:700px){.culture-cards{grid-template-columns:1fr}.culture-reading h2{margin-top:36px}.culture-reading table{font-size:.8rem}.culture-reading th,.culture-reading td{padding:8px}}