:root{--paper:#fbf6e9;--ink:#263e31;--muted:#636859;--line:#d9d5c5;--green:#263e31;--gold:#94712f;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.65 system-ui,sans-serif}a{color:inherit}a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:6px}img{max-width:100%;height:auto;display:block}.skip{position:absolute;top:-100px;left:12px;background:white;padding:12px;z-index:5}.skip:focus{top:12px}.wrap{max-width:1200px;margin:auto;padding-left:48px;padding-right:48px}.site-header{display:flex;justify-content:space-between;align-items:center;padding:22px 48px;max-width:1440px;margin:auto;border-bottom:1px solid var(--line);gap:24px}.wordmark{text-decoration:none;font:bold 38px/.95 Georgia,serif;letter-spacing:-1.5px}.wordmark span{display:block;text-align:center;font:10px/2.1 system-ui,sans-serif;letter-spacing:6px;margin-left:6px}.site-header nav{display:flex;gap:34px;align-items:center;font-size:14px}.site-header nav a{text-decoration:none;padding:9px 0}.site-header nav a:hover{text-decoration:underline;text-underline-offset:6px}.nav-solutions{border-bottom:1px solid var(--green)}.nav-solutions span{margin-left:14px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:11px;font-weight:650;margin:0 0 18px;color:var(--muted)}
.hero{background:#f5e7c9;overflow:hidden}.hero-inner{max-width:1320px;margin:auto;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;min-height:660px;padding:40px 70px 0;gap:24px}.hero-copy{z-index:1;padding:0 0 55px;animation:arrive .7s ease-out both}.hero h1{font:normal clamp(62px,7.6vw,104px)/.85 Georgia,serif;letter-spacing:-4px;margin:28px 0}.hero h1 span{font-size:.74em;font-style:italic;letter-spacing:-2px}.hero-line{font:normal clamp(24px,2.5vw,34px)/1.25 Georgia,serif;margin:28px 0 16px}.hero-description{max-width:350px;font-size:15px;color:#535a48;margin-bottom:28px}.hero-art{position:relative;align-self:end;margin:0;max-width:380px;justify-self:center;animation:arrive 1s ease-out both}.hero-art img{max-height:650px;object-fit:contain;mix-blend-mode:multiply}.hero-art figcaption{position:absolute;bottom:18px;left:0;right:0;text-align:center;font:italic 13px Georgia,serif;background:var(--paper);padding:8px 10px}.button{display:inline-flex;gap:32px;align-items:center;justify-content:center;padding:14px 22px;min-height:50px;background:var(--green);color:var(--paper);text-decoration:none;font-size:14px;transition:background .2s,transform .2s}.button:hover{background:#3c5941;transform:translateY(-2px)}.button.light{background:var(--paper);color:var(--green)}.button.light:hover{background:#eee0bc}.text-link{display:inline-block;font-size:14px;font-weight:600;text-decoration:none;border-bottom:1px solid;padding:8px 0;min-height:44px}.text-link span{display:inline-block;margin-left:20px;transition:transform .2s}.text-link:hover span{transform:translateX(5px)}
h2{font:normal clamp(30px,3.5vw,44px)/1.17 Georgia,serif;letter-spacing:-.8px;margin:0}h3{font:normal 36px/1.2 Georgia,serif;letter-spacing:-.5px;margin:0 0 22px}.books-section{padding-top:80px;padding-bottom:80px;scroll-margin-top:20px}.section-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:52px}.section-heading>p{font-size:14px;color:var(--muted);margin:0}.book-feature{display:grid;grid-template-columns:minmax(200px,350px) minmax(0,1fr);gap:90px;align-items:center;margin:40px 0}.cover-link{display:block;padding:25px 36px;background:#e7e7d8;overflow:hidden}.cover-link img{box-shadow:4px 9px 16px #1a2b252b;transition:transform .35s}.cover-link:hover img{transform:translateY(-5px) rotate(-1deg)}.book-copy{max-width:490px}.book-copy h3 a{text-decoration:none}.book-copy>p{color:var(--muted)}.book-copy .eyebrow{color:var(--gold)}.sample-note{font-size:12px!important;font-style:italic}.reader-strip{background:var(--green);color:var(--paper)}.reader-inner{display:flex;justify-content:space-between;align-items:center;gap:40px;padding-top:48px;padding-bottom:48px}.reader-inner h2{font-size:32px}.reader-inner .eyebrow{color:#d6c89f}.reader-inner p:not(.eyebrow){font-size:14px;color:#e0e3d8;margin-bottom:0}.reader-inner .button{flex-shrink:0}.pair-section{padding-top:78px;padding-bottom:80px}.pair-copy{display:grid;grid-template-columns:1fr 1fr;gap:80px}.pair-copy p{margin-top:0;color:var(--muted);font-size:15px}.site-footer{border-top:1px solid var(--line);display:flex;gap:24px;align-items:center;justify-content:space-between;padding-top:32px;padding-bottom:32px}.site-footer .wordmark{font-size:28px}.site-footer .wordmark span{font-size:8px;letter-spacing:4px}.site-footer p,.site-footer>a:last-child{font-size:12px;color:var(--muted)}.book-detail{padding-top:28px;padding-bottom:70px}.breadcrumb{font-size:13px}.book-detail h1,.solution-library h1{font:normal clamp(38px,5vw,56px)/1.12 Georgia,serif;letter-spacing:-1px;margin:12px 0 24px}.description{white-space:pre-line}.solution-library{padding-top:65px;padding-bottom:90px;min-height:65vh}.solution-library>p{max-width:610px;color:var(--muted)}.solution-books{list-style:none;padding:0;margin:40px 0}.solution-books li{border-top:1px solid var(--line)}.solution-books a{display:flex;justify-content:space-between;align-items:center;padding:24px 0;text-decoration:none;gap:25px}.solution-books strong{font:normal 26px Georgia,serif}.solution-books small{display:block;font-size:12px;color:var(--muted);margin-top:8px}.solution-books a:hover strong{text-decoration:underline}.solution-books a>span:last-child{font-size:26px}
@keyframes arrive{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:850px){.wrap{padding-left:26px;padding-right:26px}.site-header{padding:18px 26px}.site-header nav{gap:20px}.hero-inner{min-height:560px;padding:36px 35px 0;gap:8px}.hero h1{font-size:78px}.hero-art img{max-height:530px}.hero-description{font-size:14px}.book-feature{gap:40px;grid-template-columns:280px 1fr}h3{font-size:29px}.pair-copy{gap:35px}.reader-inner{gap:28px}.reader-inner h2{font-size:27px}}
@media(max-width:600px){.site-header{padding:16px 20px;gap:15px}.wordmark{font-size:30px}.site-header nav{gap:12px;font-size:12px}.site-header nav a:nth-child(2){display:none}.nav-solutions span{display:none}.hero-inner{min-height:0;padding:30px 20px 0;grid-template-columns:1.08fr 1fr;gap:0;align-items:end}.hero-copy{padding-bottom:32px}.hero h1{font-size:clamp(45px,12vw,70px);letter-spacing:-2px;margin:22px 0}.hero h1 span{letter-spacing:-1px}.hero .eyebrow{font-size:8px;letter-spacing:.12em;max-width:180px}.hero-line{font-size:21px;margin:20px 0 15px}.hero-description{font-size:12px;max-width:210px}.hero .button{padding:12px 14px;gap:10px;font-size:12px;min-height:44px}.hero-art{width:125%;max-width:240px;margin-right:-15px}.hero-art img{width:100%;max-height:440px}.hero-art figcaption{display:none}.books-section{padding-top:45px;padding-bottom:45px}.section-heading{display:block;margin-bottom:28px}.section-heading>p{margin-top:15px;font-size:13px}.section-heading>p br{display:none}.book-feature{grid-template-columns:1fr;gap:25px;margin:28px 0}.cover-link{max-width:320px;padding:24px 45px;width:100%;margin:auto}.book-copy{max-width:none}.book-copy h3{font-size:30px;max-width:330px}.book-copy>p{font-size:14px}.reader-inner{display:block;padding-top:35px;padding-bottom:35px}.reader-inner .button{margin-top:24px}.pair-section{padding-top:45px;padding-bottom:45px}.pair-copy{grid-template-columns:1fr;gap:22px}.site-footer{flex-wrap:wrap;gap:18px}.site-footer p{order:3;flex-basis:100%;margin:0}.book-detail{padding-top:18px}.book-detail .book-feature{gap:30px}.solution-library{padding-top:40px}.solution-books strong{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

@media(min-width:851px){.hero-inner{min-height:560px;height:calc(100svh - 100px);max-height:700px;padding-top:20px}.hero-art img{height:calc(100svh - 140px);max-height:650px;min-height:520px}}
.hero-art{mask-image:linear-gradient(to right,transparent,#000 5%,#000 95%,transparent);}.hero-art img{mask-image:linear-gradient(to bottom,transparent,#000 4%,#000 97%,transparent)}

/* Supplied brand artwork: preserve its proportions at every screen size. */
.site-header .wordmark{flex-shrink:0}.wordmark img{width:220px;height:auto;mix-blend-mode:multiply}.site-footer .wordmark img{width:170px}.site-header nav{white-space:nowrap}@media(max-width:600px){.site-header{gap:10px}.site-header .wordmark img{width:min(150px,38vw)}.site-header nav{gap:10px}}

.cover-placeholder { aspect-ratio: 894 / 1155; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem; padding: 1.5rem; background: #efe5cc; color: #254332; text-align: center; border: 1px solid #cfc3a7; }
.cover-placeholder strong { font-family: Georgia, serif; font-size: 1.5rem; }

/* Book detail: cover-led composition with reading order preserved on phones. */
.book-presentation{display:grid;grid-template-columns:minmax(230px,390px) minmax(0,1fr);grid-template-areas:"art heading" "art info";column-gap:clamp(32px,6vw,88px);row-gap:12px;margin:36px 0 64px;align-items:start}
.book-heading{grid-area:heading;animation:arrive .45s ease-out both}.book-heading h1{font-size:clamp(34px,4.1vw,52px);margin:12px 0 18px;overflow-wrap:anywhere}.book-subtitle{font:italic 19px/1.5 Georgia,serif;margin:0;color:var(--muted)}
.book-art{grid-area:art;margin:0;position:sticky;top:24px;animation:arrive .65s ease-out both}.book-art .cover-link{padding:32px;max-width:none;background:#e9e5d6}.book-art .cover-link:hover img{transform:none}.book-art img{width:100%;max-height:610px;object-fit:contain}.book-art figcaption{text-align:center;margin-top:12px;color:var(--muted)}
.book-information{grid-area:info;min-width:0}.book-information .description{margin:14px 0 28px;color:var(--muted);overflow-wrap:anywhere}.book-facts{border-top:1px solid var(--line);margin:0 0 28px;padding:12px 0}.book-facts>div{display:grid;grid-template-columns:112px 1fr;gap:16px;padding:7px 0}.book-facts dt{color:var(--muted);font-size:13px}.book-facts dd{margin:0;font-size:14px}.book-actions h2{font-size:26px}.book-actions p{font-size:14px;color:var(--muted)}.book-actions .action-note{font-size:12px;margin:8px 0}.book-solutions{border-top:1px solid var(--line);padding:36px 0 0;display:flex;align-items:center;justify-content:space-between;gap:36px}.book-solutions h2{font-size:32px}.book-solutions p:not(.eyebrow){font-size:14px;max-width:540px;color:var(--muted)}.book-solutions .button{flex-shrink:0}.book-code{font-size:12px!important}.book-code strong{letter-spacing:.08em;margin-left:6px}
@media(max-width:650px){.book-presentation{grid-template-columns:1fr;grid-template-areas:"heading" "art" "info";gap:24px;margin:28px 0 40px}.book-heading h1{font-size:36px}.book-heading .eyebrow{margin-bottom:12px}.book-subtitle{font-size:18px}.book-art{position:static;width:100%;max-width:300px;justify-self:center}.book-art .cover-link{padding:22px 30px}.book-art img{max-height:330px;width:auto;margin:auto}.book-information .description{margin-top:0}.book-solutions{display:block;padding-top:28px}.book-solutions .button{margin-top:8px;width:100%}.book-actions>.button{width:100%}}

.edition-help{display:inline-flex;align-items:center;gap:6px;margin:0 0 0 12px;padding:8px 0;min-height:44px;border:0;border-bottom:1px dotted var(--gold);background:transparent;color:var(--ink);font:inherit;font-size:12px;cursor:pointer}.edition-guide{position:fixed;inset:0;margin:auto;width:min(480px,calc(100vw - 32px));max-height:calc(100svh - 48px);overflow-y:auto;padding:26px;border:1px solid var(--line);background:var(--paper);color:var(--ink);box-shadow:0 16px 60px #18291f38;font:14px/1.6 system-ui,sans-serif}.edition-guide::backdrop{background:#17291f40}.edition-guide-heading{display:flex;align-items:start;gap:18px;justify-content:space-between}.edition-guide h2{font-size:27px;line-height:1.15}.edition-guide-heading button{flex-shrink:0;min-height:44px;padding:6px 8px;border:0;background:transparent;color:var(--ink);font:inherit;cursor:pointer}.edition-guide>p{color:var(--muted)}.edition-guide dl{margin:18px 0}.edition-guide dl>div{padding:14px 12px;border-top:1px solid var(--line)}.edition-guide dt{font-weight:650}.edition-guide dd{margin:4px 0 0;font-size:14px}.edition-guide dt span{font-size:11px;font-weight:normal;margin-left:12px}.edition-guide .current-edition{background:#e9eddf;border-left:3px solid var(--green)}.edition-guide-note{font-size:12px}.edition-guide:popover-open{animation:arrive .15s ease-out}.book-facts .edition-guide dt{color:var(--ink);font-size:14px}.book-facts .edition-guide dd{margin-top:4px}@media(max-width:650px){.edition-help{display:flex;width:fit-content;margin-left:0}.edition-guide{padding:20px}.edition-guide h2{font-size:25px}}

.solution-search{max-width:720px;margin:32px 0 16px}.solution-search label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}.solution-search-controls{display:flex;gap:10px}.solution-search input{min-width:0;flex:1;border:1px solid #8e9685;border-radius:0;background:#fffdf7;color:var(--ink);padding:12px 14px;font:16px system-ui,sans-serif;min-height:50px}.solution-search input:focus-visible{outline:3px solid var(--gold);outline-offset:2px}.solution-search button{border:0;cursor:pointer}.solution-search>p{font-size:12px;color:var(--muted);margin:8px 0}.solution-results-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);margin-top:28px}.solution-results-heading p{font-size:14px;color:var(--muted);overflow-wrap:anywhere}.solution-finder-results{margin:0 0 32px}.solution-finder-results li{border-top:0;border-bottom:1px solid var(--line)}.solution-finder-results a{gap:22px;min-height:116px}.solution-book-label{flex:1;min-width:0;overflow-wrap:anywhere}.solution-book-identity{display:block;margin-top:8px;font-size:14px;color:var(--ink)}.solution-book-cover{width:64px;height:88px;object-fit:contain;flex-shrink:0}.solution-finder-help{max-width:640px;border-top:1px solid var(--line);padding-top:28px;margin-top:48px}.solution-finder-help h2,.solution-empty h2{font-size:26px}.solution-finder-help p,.solution-empty p{font-size:14px;color:var(--muted)}.solution-empty{padding:18px 0}.solution-finder-results .solution-open{font-size:26px}.solution-search input::-webkit-search-cancel-button{cursor:pointer}@media(max-width:600px){.solution-search-controls{gap:8px}.solution-search .button{padding:12px 15px}.solution-finder-results a{gap:14px}.solution-book-cover{width:48px;height:68px}.solution-books .solution-book-label strong{font-size:23px}.solution-book-identity{font-size:13px}.solution-finder-results .solution-open{font-size:22px}.solution-library h1{font-size:38px}}
.solution-results-heading .text-link{white-space:nowrap;flex-shrink:0}
.reader-notice{max-width:850px}.reader-notice h1{max-width:680px}.notice-actions{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-top:28px}@media(max-width:600px){.notice-actions{gap:20px}.notice-actions .button{width:100%}}