.book-surface{color:#eef2f5;background:#101418;min-height:85vh;padding:9rem max(1.25rem,50vw - 550px) 5rem;font-size:1.125rem;line-height:1.75}.book-surface h1{margin:1rem 0 1.5rem;font-size:clamp(2.1rem,5vw,3.8rem);font-weight:600;line-height:1.12}.book-surface h2{margin:2rem 0 1rem;font-size:1.6rem}.book-surface p{margin:1rem 0}.book-surface a{color:#c7e0ff;text-underline-offset:4px;text-decoration:underline}.book-surface a:focus-visible,.book-surface button:focus-visible{outline-offset:5px;outline:3px solid #c7e0ff}.book-grid{grid-template-columns:400px minmax(0,1fr);align-items:start;gap:4rem;display:grid}.book-cover-stage{background:#eee9df;border:1px solid #c8b98f;border-radius:4px;justify-content:center;padding:24px;display:flex;box-shadow:0 14px 34px #0003}.book-cover-trigger{width:100%;max-width:360px;color:inherit;cursor:zoom-in;background:0 0;border:0;padding:0;display:block;position:relative}.book-object{filter:drop-shadow(13px 14px 12px #1a202650);display:block;position:relative}.book-object:before{content:"";z-index:1;pointer-events:none;background:linear-gradient(90deg,#c8ad68aa,#ffffff18 35%,#0008);border-right:1px solid #d7be7b66;width:8px;position:absolute;inset:0 auto 0 0}.book-cover{aspect-ratio:2/3;object-fit:contain;border:1px solid #302d26;border-radius:1px;width:100%;height:auto;display:block}.book-cover-affordance{color:#18212a;letter-spacing:.04em;opacity:0;background:#f8f5ed;border:1px solid #8a7b59;border-radius:2px;padding:.35rem .6rem;font-size:.75rem;font-weight:700;transition:opacity .18s,transform .18s;position:absolute;bottom:12px;right:12px;transform:translateY(4px)}.book-cover-trigger:hover .book-cover-affordance,.book-cover-trigger:focus-visible .book-cover-affordance{opacity:1;transform:none}.book-cover-presentation{min-width:0;margin:0}.book-cover-caption{color:#eef2f5;flex-direction:column;gap:.15rem;padding:1rem .25rem 0;font-size:.875rem;line-height:1.45;display:flex}.book-cover-caption strong{font-family:Georgia,Times New Roman,serif;font-size:1.1rem;font-weight:400}.book-cover-caption>span{color:#c8d0d8}.book-cover-caption .book-cover-hint{color:#9fb4c8;letter-spacing:.04em;margin-top:.25rem;font-size:.75rem}.book-kicker{color:#b5c6d7;letter-spacing:.13em;text-transform:uppercase;font-size:.875rem}.book-actions{flex-wrap:wrap;align-items:center;gap:1rem;margin:2rem 0;display:flex}.book-actions a,.book-actions button{border:1px solid #91a4b8;border-radius:3px;padding:.75rem 1rem;font-size:1rem}.book-actions button{color:#c4cdd5;cursor:not-allowed;background:#27313b}.book-terms{border-top:1px solid #46515c;margin-top:2rem;padding-top:1rem}.book-preview{color:#18212a;background:#fff;border-radius:3px;max-width:740px;margin:auto;padding:clamp(1rem,4vw,3rem)}.book-preview h1{font-size:2.2rem}.book-preview h2{font-size:1.5rem}.book-preview h3{margin-top:1.5rem;font-size:1.2rem}.book-preview p{white-space:pre-wrap}.book-preview section+section{border-top:1px solid #ccd2d8;margin-top:3rem;padding-top:2rem}@media (min-width:701px) and (max-width:1000px){.book-grid{grid-template-columns:312px minmax(0,1fr);gap:2rem}.book-cover-stage{padding:16px}.book-cover-trigger{max-width:280px}}@media (max-width:700px){.book-grid{grid-template-columns:1fr;gap:2rem}.book-cover-presentation{width:min(100%,248px);margin-inline:auto}.book-cover-stage{padding:18px}.book-cover-trigger{max-width:212px}.book-cover-caption{padding-top:.75rem}.book-cover-affordance{opacity:1;transform:none}.book-surface{padding-top:7rem}}.book-policy{max-width:780px;margin:auto}.book-policy-links,.book-policy nav{flex-wrap:wrap;gap:.8rem 1.2rem;margin-top:2rem;font-size:1rem;display:flex}.book-policy p{overflow-wrap:anywhere}.book-surface ol{padding-left:1.5rem}.book-surface li{padding:.25rem 0}.book-preview a{color:#173e68}.book-preview [id]{scroll-margin-top:7rem}.book-preview .book-toc-entry{margin:.4rem 0}.book-preview .book-toc-section{padding-left:1rem}.book-preview .book-toc-chapter{margin-top:1rem;font-weight:600}.book-preview-end{max-width:740px;margin:2rem auto 0}.book-skip{z-index:100;color:#18212a;background:#fff;padding:1rem;position:fixed;top:-5rem;left:1rem}.book-skip:focus{top:1rem}.book-surface h1{font-family:Georgia,Times New Roman,serif;font-weight:400}.book-preview{background:#faf7f0;border:1px solid #c8b98f;max-width:780px;padding:clamp(1.25rem,5vw,4rem);font-family:Georgia,Times New Roman,serif;font-size:1.1875rem;line-height:1.85}.book-preview p{margin:1.15em 0}.book-preview h2{margin:2.5rem 0 1.5rem;font-size:clamp(1.7rem,3vw,2.3rem);font-weight:400;line-height:1.25}.book-preview h3{margin:2.5rem 0 1rem;font-size:1.4rem;font-weight:600;line-height:1.4}.book-preview .reader-chapter-label{letter-spacing:.16em;text-transform:uppercase;color:#665634;margin:1rem 0;font-family:Arial,sans-serif;font-size:.8rem}.book-preview .reader-chapter-label+h2{margin-top:.75rem}.book-preview section+section{border-color:#c8b98f;margin-top:4rem;padding-top:3rem}.book-preview [id],#reader-front,#reader-end{scroll-margin-top:12rem}.book-preview :focus-visible{outline-offset:5px;outline:2px solid #173e68}.book-preview .book-toc-entry a{min-height:44px;padding-block:4px;display:inline-block}.book-preview-end{border-top:1px solid #a69365;margin-bottom:4rem;padding:2rem}.book-preview-end h2{font-family:Georgia,serif}.reader-toolbar{z-index:30;background:#1b2329;border:1px solid #63707b;align-items:center;gap:1rem;max-width:780px;margin:1.5rem auto 0;padding:.65rem 1rem;font:.875rem/1.4 Arial,sans-serif;display:flex;position:sticky;top:80px}.reader-toolbar button,.reader-section-nav button,.reader-dialog button{cursor:pointer;border:1px solid #a89b78;border-radius:3px;min-height:44px;padding:.5rem .8rem}.reader-context{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.reader-language{flex-direction:column;gap:2px;font-size:.75rem;display:flex}.reader-language select{color:#eef2f5;background:#1b2329;border:1px solid #63707b;max-width:185px;min-height:44px;padding:.4rem}.reader-language select:focus-visible{outline:3px solid #c7e0ff}.reader-dialog{color:#18212a;z-index:100;background:#faf7f0;border:0;width:min(440px,100%);max-width:100%;height:100dvh;max-height:100dvh;margin:0;padding:1.5rem;font:1rem/1.5 Arial,sans-serif;position:fixed;inset:0 0 0 auto;overflow-y:auto}.reader-dialog::backdrop{background:#0009}.reader-dialog-top{background:#faf7f0;justify-content:space-between;align-items:center;gap:1rem;padding-block:1rem;display:flex;position:sticky;top:-1.5rem}.reader-dialog .reader-dialog-top h2{margin:0;font:1.8rem Georgia,serif}.reader-dialog nav{flex-direction:column;display:flex}.reader-dialog a{color:#173e68;min-height:44px;padding:.65rem .5rem}.reader-dialog a[aria-current]{background:#e7dfce}.reader-chapter-link{margin-top:.5rem;font-weight:700}.reader-dialog a:focus-visible,.reader-dialog button:focus-visible{outline-offset:2px;outline:3px solid #173e68}html:has(#book-contents){scroll-behavior:smooth}#book-contents{scroll-margin-top:7rem}.book-actions>a:first-child{color:#142333;background:#c7e0ff;font-weight:600}.book-actions button:not(:disabled){color:#eef2f5;cursor:pointer;background:0 0}.book-actions .reader-dialog button{color:#18212a;cursor:pointer;background:#faf7f0;min-width:44px;min-height:44px}.book-actions .reader-dialog button:not(:disabled):hover{background:#e7dfce}.book-actions .reader-dialog button:not(:disabled):active{background:#d8ccb2}.book-actions .reader-dialog button:focus-visible{outline-offset:2px;outline:3px solid #173e68}.book-actions .reader-dialog button:disabled{color:#5a6066;cursor:default;background:#faf7f0}.reader-toolbar{flex-wrap:wrap;justify-content:space-between;gap:.6rem;margin-bottom:0;position:sticky;top:80px}.reader-language{flex-direction:row;align-items:center;gap:.4rem;font-size:.875rem}.reader-language select{max-width:145px;font-size:.875rem}.reader-modes{gap:.2rem;display:flex}.reader-modes button[aria-pressed=true]{color:#142333;background:#c7e0ff;border-color:#c7e0ff}.reader-page-context,.reader-help{color:#b5c6d7;max-width:780px;font:.875rem/1.5 Arial,sans-serif;margin-inline:auto!important}.digital-page{flex-direction:column;height:auto;min-height:760px;margin:0 auto;padding-bottom:2rem;display:flex;overflow:visible}.digital-page[hidden],.book-preview-end[hidden]{display:none}.book-preview.digital-page>:first-child{margin-top:0}.book-preview.digital-page h2,.book-preview.digital-page h3{margin-top:1rem}.book-preview.digital-page .digital-page-number{text-align:right;color:#665634;margin-top:auto;padding-top:3rem;font:.875rem/1.5 Arial,sans-serif}.book-preview.digital-page .reader-title{margin-block:2rem;font-size:2rem;line-height:1.3}.reader-scroll .digital-page+.digital-page{margin-top:2rem}.digital-page,.digital-page [id],#reader-end{scroll-margin-top:var(--reader-clearance,20rem)}.reader-page-nav{justify-content:space-between;align-items:center;gap:.5rem;max-width:780px;margin:1rem auto;font:.875rem/1.4 Arial,sans-serif;display:flex}.reader-page-nav button,.reader-end-actions button{cursor:pointer;border:1px solid #a89b78;border-radius:3px;min-height:44px;padding:.6rem .8rem}.reader-page-nav button:disabled{opacity:.45;cursor:default}.reader-page-nav span{text-align:center}.reader-end-actions{flex-wrap:wrap;gap:1rem;display:flex}.book-preview-end{border:1px solid #a69365;border-radius:3px;min-height:400px;margin:0 auto;padding:clamp(1.25rem,5vw,3rem)}.reader-feedback label,.reader-share-links label{flex-direction:column;gap:.35rem;margin-top:1.2rem;display:flex}.reader-feedback input,.reader-feedback textarea,.reader-feedback select,.reader-share-links input{color:#18212a;background:#fff;border:1px solid #63707b;border-radius:3px;width:100%;min-height:44px;padding:.5rem;font:1rem/1.5 Arial,sans-serif}.reader-feedback textarea{resize:vertical}.reader-dialog input:focus-visible,.reader-dialog textarea:focus-visible,.reader-dialog select:focus-visible{outline-offset:2px;outline:3px solid #173e68}.reader-email-action{border:1px solid #173e68;min-height:44px;padding:.75rem 1rem;display:inline-block}.reader-dialog p{overflow-wrap:anywhere}.reader-share-links{flex-direction:column;gap:.8rem;display:flex}.reader-share-links a{min-height:44px}body:has(.reader-dialog[open]){overflow:hidden}@media (max-width:600px){.reader-toolbar{justify-content:flex-start;gap:.5rem;padding:.65rem}.reader-language{flex-wrap:nowrap;flex-basis:100%;order:2;min-width:0}.reader-language select{flex:1;min-width:0;max-width:none}.reader-modes{order:3;margin-left:0}.digital-page{min-height:620px;font-size:1.125rem;line-height:1.8}.reader-dialog{padding:1rem}.reader-dialog-top{top:-1rem}.reader-page-nav button{padding:.6rem .4rem}}@media (prefers-reduced-motion:reduce){.book-surface *{scroll-behavior:auto;transition:none}html:has(.book-surface){scroll-behavior:auto;transition:none}}.book-grid .book-availability{color:#b5c6d7;margin-bottom:.5rem;font-size:.9375rem}.book-grid .book-availability+.book-actions{margin-top:.5rem}.book-grid .book-edition-status{color:#b5c6d7;font-size:1rem}.book-cover-dialog{color:#18212a;background:#eee9df;border:1px solid #c8b98f;border-radius:4px;width:min(720px,100% - 2rem);max-width:720px;max-height:calc(100dvh - 2rem);margin:auto;padding:0;overflow:hidden;box-shadow:0 24px 70px #0009}.book-cover-dialog::backdrop{background:#080a0dcc}.book-cover-dialog-panel{flex-direction:column;min-height:0;max-height:calc(100dvh - 2rem);padding:1rem;display:flex}.book-cover-dialog-top{justify-content:space-between;align-items:center;gap:1rem;padding-bottom:1rem;display:flex}.book-cover-dialog .book-cover-dialog-top h2{margin:0;font:400 clamp(1.15rem,3vw,1.5rem)/1.25 Georgia,Times New Roman,serif}.book-cover-dialog-top button{color:#fff;cursor:pointer;background:#18212a;border:1px solid #18212a;border-radius:3px;flex:none;min-width:44px;min-height:44px;padding:.55rem .8rem}.book-cover-dialog-top button:focus-visible{outline-offset:3px;outline:3px solid #173e68}.book-cover-dialog-image{aspect-ratio:2/3;object-fit:contain;border:1px solid #423d32;width:auto;max-width:100%;height:auto;max-height:calc(100dvh - 7.5rem);margin:auto;display:block;box-shadow:8px 10px 24px #18212a40}body:has(.book-cover-dialog[open]){overflow:hidden}.book-learning{max-width:780px;margin-top:2rem}.book-learning ul{padding-left:1.5rem;list-style:outside}@media (max-width:700px){.book-surface:has(>.book-grid){padding-top:6rem}.book-surface:has(>.book-grid)>h1{margin-top:.5rem;margin-bottom:1rem}.book-grid{gap:1rem}.book-grid .book-cover-stage{width:auto;padding:18px}.book-grid .book-cover{max-width:none}.book-grid p{margin:.65rem 0}.book-grid h1{margin:.5rem 0 .75rem}.book-grid h2{margin:.5rem 0}.book-grid .book-actions{margin:.5rem 0 1.25rem}.book-cover-dialog{width:calc(100% - 1rem);max-height:calc(100dvh - 1rem)}.book-cover-dialog-panel{max-height:calc(100dvh - 1rem);padding:.75rem}.book-cover-dialog-image{max-height:calc(100dvh - 6.5rem)}}.reader-controls-trigger{display:none}.reader-controls-panel{display:contents}@media (max-width:800px){.reader-toolbar{gap:0;padding:.25rem .5rem}.reader-controls-trigger{align-items:center;gap:.5rem;display:inline-flex}.reader-controls-panel{background:#1b2329;border:1px solid #63707b;flex-wrap:wrap;align-items:center;gap:.6rem;max-height:calc(100dvh - 160px);padding:.75rem;display:none;position:absolute;inset:calc(100% + .25rem) 0 auto;overflow-y:auto;box-shadow:0 8px 20px #0005}.reader-controls-panel[data-open=true]{display:flex}.reader-controls-panel .reader-language{flex-basis:100%;order:2;min-width:0}.reader-controls-panel .reader-language select{flex:1;min-width:0;max-width:none}.reader-controls-panel .reader-modes{order:3}.digital-reader>.reader-page-context{margin-block:.35rem}}@font-face{font-family:Reader Devanagari;src:url(/fonts/reader-languages/hi-font.ttf)format("truetype");font-weight:100 900;font-style:normal;font-display:swap;unicode-range:U+900-97F,U+A8E0-A8FF,U+1CD0-1CFF}@font-face{font-family:Reader Telugu;src:url(/fonts/reader-languages/te-font.ttf)format("truetype");font-weight:100 900;font-style:normal;font-display:swap;unicode-range:U+C00-C7F}.reader-pages:lang(hi) .digital-page{font-family:Reader Devanagari,Georgia,Times New Roman,serif}.reader-pages:lang(te) .digital-page{font-family:Reader Telugu,Georgia,Times New Roman,serif}.digital-reader[data-reading-language=hi] .reader-page-context,.digital-reader[data-reading-language=hi] .reader-dialog nav,.digital-reader[data-reading-language=hi] .reader-chapter-label{font-family:Reader Devanagari,Arial,sans-serif}.digital-reader[data-reading-language=te] .reader-page-context,.digital-reader[data-reading-language=te] .reader-dialog nav,.digital-reader[data-reading-language=te] .reader-chapter-label{font-family:Reader Telugu,Arial,sans-serif}.reader-language select{font-family:Reader Devanagari,Reader Telugu,Arial,sans-serif}.digital-reader[data-reading-language=hi] .reader-chapter-label,.digital-reader[data-reading-language=te] .reader-chapter-label{letter-spacing:normal;text-transform:none}.digital-reader[data-reading-language=hi]>.reader-page-context,.digital-reader[data-reading-language=te]>.reader-page-context{margin-bottom:2rem}@media (max-width:800px){.digital-reader[data-reading-language=hi]>.reader-page-context,.digital-reader[data-reading-language=te]>.reader-page-context{margin-bottom:1rem}}.digital-reader .reader-feedback textarea,.digital-reader .reader-feedback input{font-family:Reader Devanagari,Reader Telugu,Arial,sans-serif}:is(.book-surface:has(>.books-catalogue),.book-surface:has(>.book-product)){color:#171816;background:#f4f1ea;max-width:none;padding:0;line-height:1.65;overflow-x:hidden}:is(.book-surface:has(>.books-catalogue) a,.book-surface:has(>.book-product) a){color:inherit}:is(.book-surface:has(>.books-catalogue) a:focus-visible,.book-surface:has(>.books-catalogue) button:focus-visible,.book-surface:has(>.book-product) a:focus-visible,.book-surface:has(>.book-product) button:focus-visible){outline-offset:5px;outline:3px solid #80652c}.books-catalogue,.book-product{--book-ink:#171816;--book-muted:#64635e;--book-paper:#fbfaf7;--book-line:#d8d2c6;--book-gold:#80652c;color:var(--book-ink)}.books-catalogue-intro{border-bottom:1px solid var(--book-line);background:linear-gradient(135deg,#fbfaf7 0%,#f1ece1 58%,#e7dfcf 100%);padding:clamp(8rem,12vw,10rem) max(1.25rem,50vw - 590px) clamp(3rem,6vw,5rem)}.books-catalogue-intro h1{letter-spacing:-.045em;max-width:760px;margin:.3rem 0 .65rem;font-size:clamp(3rem,7vw,5.75rem)}.books-catalogue-intro>p:last-child{max-width:640px;color:var(--book-muted);margin:0;font:clamp(1.1rem,2vw,1.35rem)/1.55 Georgia,Times New Roman,serif}.book-shelf{padding:clamp(3rem,7vw,6rem) max(1.25rem,50vw - 590px) clamp(4rem,8vw,7rem)}.book-section-heading{border-bottom:1px solid var(--book-line);justify-content:space-between;align-items:end;gap:2rem;padding-bottom:1.5rem;display:flex}.book-section-heading h2{letter-spacing:-.025em;margin:.15rem 0 0;font:400 clamp(2rem,4vw,3rem)/1.12 Georgia,Times New Roman,serif}.book-section-heading>p{max-width:330px;color:var(--book-muted);text-align:right;margin:0;font-size:1rem}.book-surface .book-kicker{color:var(--book-gold);letter-spacing:.18em;font-size:.75rem;font-weight:700}.book-catalogue-card{grid-template-columns:minmax(230px,330px) minmax(0,620px);align-items:center;gap:clamp(2.5rem,7vw,6.5rem);margin-top:clamp(2.5rem,5vw,4.5rem)}.book-catalogue-card .book-cover-presentation{width:100%;transition:transform .25s}.book-catalogue-card .book-cover-presentation:has(.book-cover-trigger:hover){transform:translateY(-5px)}.book-card-copy h2{letter-spacing:-.035em;margin:.35rem 0;font:400 clamp(2rem,4vw,3.6rem)/1.08 Georgia,Times New Roman,serif}.book-subtitle{color:#34352f;margin:.25rem 0;font:clamp(1.05rem,2vw,1.25rem)/1.5 Georgia,Times New Roman,serif}.book-byline{color:var(--book-gold);margin:.7rem 0 1.75rem;font-size:.94rem;font-weight:650}.book-card-copy>p:not([class]){color:#464742}.book-card-meta{color:#55564f;flex-wrap:wrap;gap:.5rem;margin:1.5rem 0;font-size:.82rem;display:flex}.book-card-meta span{border:1px solid var(--book-line);background:#fff9;border-radius:999px;padding:.4rem .65rem}.book-surface .book-actions{gap:.75rem;margin:1.5rem 0}.book-surface .book-actions a,.book-surface .book-actions button{border:1px solid #24251f;border-radius:2px;justify-content:center;align-items:center;min-height:48px;padding:.65rem 1.1rem;font-size:.92rem;font-weight:700;text-decoration:none;display:inline-flex}.book-surface .book-actions a:first-child{color:#fff;background:#191a17}.book-surface .book-actions a:first-child:hover{background:#35362f}.book-surface .book-actions button{color:#252620;cursor:pointer;background:0 0}.book-surface .book-edition-status{color:var(--book-muted);font-size:.9rem;line-height:1.55}.book-surface .book-terms{border-top:1px solid var(--book-line);color:var(--book-muted);font-size:.82rem;line-height:1.55}.books-catalogue .book-cover-stage,.book-product .book-cover-stage{background:linear-gradient(145deg,#fff 0%,#ebe5d9 100%);border:1px solid #d5cdbc;border-radius:10px;padding:clamp(1.2rem,3vw,2rem);position:relative;box-shadow:0 18px 45px #392f1b20}.books-catalogue .book-cover-stage:after,.book-product .book-cover-stage:after{content:"";filter:blur(18px);pointer-events:none;background:#1f201b33;border-radius:50%;height:10%;position:absolute;bottom:8%;left:16%;right:12%}.books-catalogue .book-cover-trigger,.book-product .book-cover-trigger{z-index:1;max-width:none;transition:transform .25s,filter .25s}.books-catalogue .book-cover-trigger:hover,.book-product .book-cover-trigger:hover{filter:brightness(1.025);transform:translateY(-3px)}.books-catalogue .book-object,.book-product .book-object{filter:drop-shadow(14px 16px 12px #24251f48)}.books-catalogue .book-object:before,.book-product .book-object:before{background:linear-gradient(90deg,#b99a51cc,#fff2 42%,#090a08aa);width:9px;box-shadow:2px 0 2px #0004}.books-catalogue .book-cover,.book-product .book-cover{border-color:#34352e}.books-catalogue .book-cover-caption,.book-product .book-cover-caption{color:var(--book-ink);padding:1rem .2rem 0}.books-catalogue .book-cover-caption>span,.book-product .book-cover-caption>span{color:var(--book-muted)}.books-catalogue .book-cover-caption .book-cover-hint,.book-product .book-cover-caption .book-cover-hint{color:var(--book-gold);font-weight:700}.books-catalogue .book-cover-affordance,.book-product .book-cover-affordance{color:#282920;background:#fbfaf7f2;border-color:#80652c;border-radius:999px;bottom:10px;right:10px}.book-product-hero{background:radial-gradient(circle at 18% 42%,#ede4d3 0,#0000 34%),linear-gradient(135deg,#faf9f5,#f0ece3);grid-template-columns:minmax(280px,430px) minmax(0,620px);align-items:center;gap:clamp(3rem,8vw,7.5rem);padding:clamp(8rem,11vw,10rem) max(1.25rem,50vw - 590px) clamp(4rem,8vw,7rem)}.book-hero-copy h1{letter-spacing:-.05em;margin:.45rem 0 .4rem;font-size:clamp(2.7rem,5.7vw,5.25rem);line-height:1.02}.book-hero-intro{color:#464742;max-width:570px;margin:1.8rem 0;font-size:1.06rem}.book-info-panel{border:1px solid var(--book-line);background:#fff9;border-radius:8px;margin-top:1.8rem;padding:1.35rem;box-shadow:0 12px 35px #2b281f0c}.book-info-panel>div:not(.book-actions){border-bottom:1px solid #e1ddd5;grid-template-columns:135px minmax(0,1fr);gap:1rem;padding:.55rem 0;font-size:.9rem;display:grid}.book-info-panel>div span{color:var(--book-muted)}.book-info-panel>p{color:#785d25;margin:.85rem 0 0;font-size:.82rem;font-weight:700}.book-info-panel .book-actions{margin:1rem 0 0}.book-product-hero>.book-cover-presentation{justify-self:center;width:min(100%,390px)}.book-product-hero .book-terms{margin-top:1.35rem;padding-top:1rem}.book-editorial-sections{background:var(--book-paper);padding:0 max(1.25rem,50vw - 520px) clamp(4rem,9vw,8rem)}.book-editorial-sections>section{border-top:1px solid var(--book-line);grid-template-columns:70px minmax(0,1fr);gap:clamp(1rem,4vw,3rem);padding:clamp(3rem,7vw,5.5rem) 0;display:grid}.book-editorial-sections>section:first-child{border-top:0}.book-editorial-sections>section>div{max-width:780px}.book-editorial-sections h2{letter-spacing:-.03em;margin:0 0 1.35rem;font:400 clamp(2rem,4vw,3.15rem)/1.12 Georgia,Times New Roman,serif}.book-editorial-sections p{color:#464742}.book-section-number{color:var(--book-gold);letter-spacing:.12em;margin:.35rem 0;font-size:.75rem;font-weight:800}.book-editorial-sections .book-learning{max-width:none;margin:0}.book-editorial-sections ul{padding-left:1.25rem}.book-editorial-sections li{padding:.45rem 0}.book-contents-list{columns:2;column-gap:3rem;padding:0;list-style:none}.book-contents-list li{break-inside:avoid;border-bottom:1px solid #e4dfd5;padding:.8rem 0}.book-edition-list{margin:0}.book-edition-list>div{border-bottom:1px solid #e4dfd5;grid-template-columns:150px minmax(0,1fr);gap:1.25rem;padding:1rem 0;display:grid}.book-edition-list dt{font-weight:700}.book-edition-list dd{color:var(--book-muted);margin:0}@media (max-width:800px){.book-section-heading{flex-direction:column;align-items:start;gap:.75rem}.book-section-heading>p{text-align:left}.book-catalogue-card,.book-product-hero{grid-template-columns:1fr}.book-catalogue-card{gap:2rem}.book-catalogue-card>.book-cover-presentation{justify-self:center;width:min(100%,300px)}.book-product-hero{gap:2.5rem;padding-top:7rem}.book-product-hero>.book-cover-presentation{width:min(78vw,330px)}.book-hero-copy{text-align:left}.book-contents-list{columns:1}}@media (max-width:520px){.books-catalogue-intro{padding-top:7rem}.book-shelf{padding-top:2.5rem}.book-catalogue-card>.book-cover-presentation{width:min(78vw,270px)}.book-product-hero>.book-cover-presentation{width:min(76vw,270px)}.books-catalogue .book-cover-stage,.book-product .book-cover-stage{padding:1rem}.book-cover-caption strong{font-size:1rem}.book-info-panel>div:not(.book-actions),.book-edition-list>div{grid-template-columns:1fr;gap:.2rem}.book-editorial-sections>section{grid-template-columns:1fr;gap:.25rem}.book-editorial-sections h2{margin-top:.25rem}.book-surface .book-actions{flex-direction:column;align-items:stretch}.book-surface .book-actions a,.book-surface .book-actions button{width:100%}}