:root{--rail-width:238px;--toolbar-height:60px;--book-header-height:77px}main{margin-left:var(--rail-width);container-type:inline-size}body>header{margin-left:var(--rail-width);top:var(--toolbar-height)!important;padding-left:4vw;padding-right:4vw}body>header>nav{display:none}#editor-tip{padding-left:calc(var(--rail-width) + 4vw)}#book-navigation{position:fixed;left:0;top:var(--toolbar-height);bottom:0;width:var(--rail-width);z-index:12;background:var(--paper);border-right:1px solid var(--line);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}#book-navigation nav{display:flex;flex-direction:column;gap:0}#book-navigation a{display:flex;align-items:center;gap:18px;min-height:84px;padding:22px 22px 22px 25px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-family:var(--font-body,Arial),sans-serif;font-size:14px;line-height:1.3;letter-spacing:.08em;text-transform:uppercase}#book-navigation a:hover{background:color-mix(in srgb,var(--ink) 7%,var(--paper))}#book-navigation a.is-active{background:var(--plum);color:var(--paper)}.section-number{display:grid;place-items:center;flex:0 0 29px;width:29px;height:29px;border:1.5px solid currentColor;border-radius:50%;font-size:16px;letter-spacing:0;font-weight:normal}#book-navigation a:focus-visible{outline:2px solid currentColor;outline-offset:-6px}#sections-toggle{display:none}html{scroll-padding-top:calc(var(--toolbar-height) + var(--book-header-height) + 20px)}.cover h1{font-size:clamp(90px,23cqw,300px)}.cover-bottom{gap:25px;flex-wrap:wrap}.cover-bottom p{font-size:clamp(25px,3.6cqw,36px)}main h2{font-size:clamp(40px,6.8cqw,82px)}main .chapter h2{font-size:clamp(65px,11cqw,140px)}main section{padding-left:6cqw;padding-right:6cqw}.three{gap:28px}.contents{grid-template-columns:repeat(2,1fr);row-gap:35px}.split{gap:5cqw}@media(min-width:901px) and (max-width:1200px){.three{grid-template-columns:1fr}.specs{grid-template-columns:1fr}.cover-bottom span{font-size:12px}.chapter p{width:55%}}@media(max-width:900px){main,body>header{margin-left:0}#editor-tip{padding-left:4vw}body>header .edition{display:none}#sections-toggle{display:block;border:1px solid var(--line);background:transparent;color:var(--ink);padding:10px 16px;font:14px var(--font-body,Arial),sans-serif;cursor:pointer}#book-navigation{top:calc(var(--toolbar-height) + var(--book-header-height));width:min(320px,90vw);box-shadow:8px 8px 30px #0002;visibility:hidden;transform:translateX(-105%)}#book-navigation.is-open{visibility:visible;transform:translateX(0)}#book-navigation a{min-height:66px;padding:16px 24px}.split,.three{grid-template-columns:1fr}main .chapter p{width:70%}}@media print{#book-navigation,#sections-toggle{display:none!important}main,body>header{margin-left:0}main{container-type:normal}main section{padding-left:0;padding-right:0}main .chapter{padding:40px}}
.pairing-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px 32px;margin-top:45px}.pairing-specimen{min-height:235px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:30px;text-align:center}.pairing-wordmark{font:clamp(40px,6cqw,75px)/1.1 var(--font-heading,Georgia),serif;letter-spacing:.12em}.pairing-sample{font:14px/1.5 var(--font-body,Arial),sans-serif}.pairing-example h3{font-size:25px;margin-top:22px}.pairing-values{font-size:12px;color:var(--muted)}.pairing-example p{font-size:15px}.pairing-example .pairing-values{font-size:12px}.pairing-caution{border-top:1px solid var(--line);padding-top:20px;margin-top:50px}@media(max-width:1100px){.pairing-grid{grid-template-columns:1fr}}@media print{.pairing-grid{grid-template-columns:1fr 1fr}.pairing-example{break-inside:avoid}.pairing-specimen{min-height:170px}}
/* Compact chapter dividers retain full content width. */
main section.chapter{min-height:0;padding-top:32px;padding-bottom:32px;display:grid;grid-template-columns:minmax(0,1fr) minmax(160px,32%);column-gap:30px;row-gap:12px;align-items:center}main .chapter>.eyebrow{grid-column:1/-1}main .chapter h2{font-size:clamp(40px,6cqw,72px);line-height:1.08;margin:0}main .chapter>p{width:auto;align-self:center;margin:0;font-size:clamp(18px,2.4cqw,26px);line-height:1.3}main .chapter>p:empty{display:none}@media(max-width:650px){main section.chapter{grid-template-columns:1fr;padding-top:26px;padding-bottom:26px;row-gap:14px}main .chapter h2{font-size:40px}main .chapter>p{width:auto;font-size:19px}}@media print{main section.chapter{min-height:0;padding:25px}}
body>header[hidden]{display:none!important}:root{--book-header-height:0px}@media(max-width:900px){#editor-bar #sections-toggle{display:block;color:#25221d;background:#f6f1e8}#book-navigation{top:var(--toolbar-height)}}

main section[hidden]{display:none!important}
main h1,main h2,main .chapter h2,main .cover h1{font-size:60px}
main h3{font-size:50px;overflow-wrap:break-word}

/* Keep cover artwork together instead of distributing it over the viewport. */
main section.cover{min-height:0;justify-content:flex-start;gap:24px;padding-top:36px;padding-bottom:44px}
main .cover h1,main .cover h1.has-upload{margin:8px 0 0}
main .cover>.arabic{margin:0}
main .cover-bottom{margin-top:8px}
@media(max-width:650px){main section.cover{gap:18px;padding-top:28px;padding-bottom:32px}}
@media print{main section.cover{min-height:0!important}}

.wordmark-panel+ .wordmark-panel{border-top:1px solid var(--line);margin-top:48px;padding-top:32px}
.wordmark-panel>p{max-width:100%}
.wordmark-upload{min-height:240px;margin:24px 0;justify-content:center}
.wordmark-upload img{height:auto;object-fit:contain;max-width:100%}
.creation-notes{min-height:0}
.editing .creation-notes{min-height:100px;padding:18px;border:1px dashed var(--line)}
.editing .creation-notes:empty::before{content:attr(data-placeholder);color:var(--muted);pointer-events:none}

main figure[hidden]{display:none!important}
.type-row{display:grid;grid-template-columns:1fr 1fr 2fr;gap:28px;align-items:center;padding:36px 0}
.type-row+.type-row{border-top:1px solid var(--line)}
.type-row p{margin:0;max-width:100%}
.type-row .type-role{font:14px/1.5 var(--font-body,Arial),sans-serif}
.type-heading .type-name,.type-heading .type-sample{font-family:var(--font-heading,Georgia),serif;font-weight:500}
.type-body .type-name,.type-body .type-sample{font-family:var(--font-body,Arial),sans-serif;font-weight:400}
.type-name{font-size:28px;line-height:1.3}
.type-large{font-size:120px;line-height:1.05}
.type-alphabet{font-size:clamp(18px,2.2cqw,30px);line-height:1.4;overflow-wrap:anywhere}
.type-sample{min-width:0}
@media(max-width:900px){.type-row{grid-template-columns:1fr;gap:18px}.type-large{font-size:90px}}

main .pairing-specimen{aspect-ratio:2/1;min-height:0;padding:0;gap:0;overflow:hidden}
.pairing-specimen>span{font:14px/1.4 var(--font-body,Arial),sans-serif;padding:16px}
main .pairing-specimen.has-upload{padding:0}
.pairing-specimen img.uploaded-asset{height:100%;max-height:100%;object-fit:contain;margin:auto}

.text-pairing-guide{margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.text-pairing-guide>h3{font-size:32px;margin:0 0 16px}
.text-pairing-guide>p{font-size:14px;max-width:900px}
.text-pairing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:24px 0}
.contrast-card{padding:22px;border:1px solid var(--line);min-width:0}
.contrast-card-head{font:12px/1.5 var(--font-body,Arial),sans-serif;letter-spacing:.04em;text-transform:uppercase;margin-bottom:18px}
.contrast-row{display:flex;flex-wrap:wrap;align-items:baseline;gap:5px 12px;padding:7px 0}
.contrast-sample{font:26px/1.2 var(--font-heading,Georgia),serif}
.contrast-result{font:11px/1.4 var(--font-body,Arial),sans-serif}
@media(max-width:600px){.text-pairing-grid{grid-template-columns:1fr}}

main .pairing-caution[hidden]{display:none!important}
main .cover-bottom{display:grid;grid-template-columns:minmax(0,1fr);justify-items:center;text-align:center;gap:16px}
main .cover-bottom>p{grid-row:1;justify-self:center;margin:0 auto;text-align:center;max-width:100%}
main .cover-bottom>span{text-align:center;justify-self:center}
main .cover-bottom>span:empty{display:none}

.type-arabic .type-name{font-family:var(--font-body,Arial),sans-serif}
.type-arabic .type-sample{font-family:var(--font-arabic,'Damascus'),'Times New Roman',serif;direction:rtl;text-align:right;font-weight:400;letter-spacing:normal}
.type-arabic .type-large{line-height:1.5}
.type-arabic .type-alphabet{line-height:1.9;word-break:normal;overflow-wrap:normal}
/* Stack Volume 2 previews independently of the two-column chapter banners. */
main section.chapter.volume-two-preview{grid-template-columns:minmax(0,1fr);text-align:left;justify-items:start;row-gap:16px}
main section.chapter.volume-two-preview>h2,main section.chapter.volume-two-preview>p{grid-column:1;justify-self:start;text-align:left}
main section.chapter.volume-two-preview>.volume-two-label{grid-row:1;margin:0}
main section.chapter.volume-two-preview>h2{grid-row:2;margin:0}
main section.chapter.volume-two-preview>.volume-two-copy{grid-row:3;margin:0}
/* Let the cover occupy one available viewport without clipping larger artwork. */
main section.cover{min-height:calc(100svh - var(--toolbar-height,60px));justify-content:space-evenly;gap:clamp(24px,4svh,48px);padding-top:clamp(32px,5svh,64px);padding-bottom:clamp(40px,6svh,72px)}
main .cover h1,main .cover h1.has-upload,main .cover>.arabic,main .cover-bottom{margin-top:0;margin-bottom:0;flex-shrink:0}
@media print{main section.cover{min-height:0!important;gap:24px;padding-top:36px;padding-bottom:44px}}