:root{--navy:#1a365d;--blue:#2c5282;--green:#38a169;--paper:#f7fafc;--ink:#20344c;--muted:#5a6a7c;--line:#dce4ec}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;color:var(--ink);background:white;font-family:Arial,Helvetica,sans-serif;line-height:1.65}
a{color:inherit;text-decoration:none}
button{font:inherit}
img{max-width:100%;height:auto}
h1,h2,h3,p{margin:0}
h1,h2,h3{line-height:1.13}
p+p{margin-top:18px}
h2{font-size:clamp(32px,3.6vw,46px);letter-spacing:-1.8px;font-weight:600}
a,button{touch-action:manipulation}
a:focus-visible,button:focus-visible{outline:3px solid #38a169;outline-offset:6px}
.container{width:min(1160px,calc(100% - 80px));margin-inline:auto}
.section{padding-block:92px}
.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:11px;font-weight:700;line-height:1.7;margin-bottom:20px;color:var(--blue)}
.site-header{background:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}
/* Homepage navigation uses a solid brand background above the photographic Hero. */
.site-header.publishing-header{background:var(--navy);color:#f7fafc;border-bottom-color:transparent}
.publishing-header .nav{min-height:100px;padding-inline:8px}
.publishing-header .brand{flex-shrink:0}
.publishing-header .brand img{background:transparent;height:62px;width:auto;max-height:none;padding:0;border-radius:0}
.publishing-header .navigation{background:var(--navy);border-bottom-color:transparent;box-shadow:none;gap:38px;font-size:17px;font-weight:600}
@media(max-width:1050px){
.publishing-header .nav{min-height:90px;padding-inline:4px}
.publishing-header .brand img{height:50px}
.publishing-header .navigation{gap:22px;font-size:14px}
}
@media(max-width:760px){
.publishing-header .nav{min-height:78px;padding-inline:0}
.publishing-header .brand img{height:43px}
.publishing-header .navigation{gap:0;font-size:14px}
}
.publishing-header .navigation a:hover{color:#bbd9ed}
.publishing-header .menu-toggle span{background:#f7fafc}
.publishing-header a:focus-visible,.publishing-header button:focus-visible{outline-color:#bbd9ed}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:88px;gap:24px}
.brand{display:inline-flex;align-items:center;gap:18px}
.brand img{width:112px;max-height:48px;object-fit:contain}
.brand>span{font-size:10px;letter-spacing:2.4px;border-left:1px solid #c9d3df;padding-left:18px;font-weight:700}
.navigation{list-style:none;display:flex;align-items:center;gap:30px;margin:0;padding:0;font-size:13px;font-weight:600}
.navigation a:hover{color:var(--green)}
.menu-toggle{display:none;border:0;background:transparent;padding:12px;cursor:pointer}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0}
.skip{position:fixed;top:-100px;background:white;padding:12px;z-index:100}
.skip:focus{top:8px}
.publisher-hero{background:var(--navy);color:white;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:35px;align-items:center;padding-block:80px 64px}
.publisher-hero .eyebrow{color:#b9cce3}
.publisher-hero h1{font-size:clamp(40px,4.8vw,65px);letter-spacing:-2.7px;font-weight:500;line-height:1.08}
.publisher-hero h1 em{font-family:Georgia,serif;color:#bbd9ed;font-weight:400}
.hero-intro{font-size:17px;line-height:1.7;margin:26px 0;color:var(--muted)}
.publisher-hero .hero-intro{color:#d3ddea}
.button{display:inline-flex;align-items:center;justify-content:center;gap:36px;padding:14px 23px;background:var(--navy);color:white;font-size:13px;font-weight:600;border:1px solid transparent;border-radius:3px}
.button.light{background:white;color:var(--navy)}
.button:hover:not(:disabled){background:#e5eef7;color:var(--navy)}
.button:disabled{background:#e1e8ef;color:#4f6176;border-color:#c6d1de;cursor:default}
.hero-bottom{border-top:1px solid #ffffff26;padding-block:22px;display:flex;justify-content:space-between;gap:16px;font-size:10px;letter-spacing:1.5px;color:#bdcce0}
.hero-bottom span:last-child{letter-spacing:.3px}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:38px}
.section-heading .eyebrow{margin-bottom:12px}
.section-heading>p{font-size:14px;color:var(--muted)}
.book-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;align-items:start}
.book-card{border:1px solid var(--line);display:flex;flex-direction:column}
.book-stage{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:#e8eef3}
.book-lifestyle{display:block;width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.theatre-stage .book-lifestyle{object-position:50% 50%}
.accounting-stage .book-lifestyle{object-position:50% 52%}
@media(hover:hover) and (pointer:fine){
.book-stage:hover .book-lifestyle{transform:scale(1.02)}
}
.stage-label{position:absolute;z-index:2;left:20px;top:18px;padding:5px 9px;border-radius:2px;background:rgba(247,250,252,.88);box-shadow:0 1px 6px #1a365d18;color:#294866;font-size:9px;letter-spacing:1.8px;font-weight:700}
.stage-number{position:absolute;z-index:2;right:20px;bottom:16px;padding:1px 7px;border-radius:2px;background:rgba(247,250,252,.78);text-shadow:0 1px 2px #fff;color:#294866;font-family:Georgia,serif;font-size:28px}
.book-copy{padding:29px 34px 27px}
.book-copy .eyebrow{font-size:10px;line-height:1.6;letter-spacing:1.7px;font-weight:600;color:var(--blue);margin-bottom:9px}
.book-copy h3{font-size:30px;line-height:1.08;font-weight:700;letter-spacing:-1px}
.book-copy p:not(.eyebrow){font-size:15px;line-height:1.6;color:var(--muted);margin-top:10px}
.book-copy .subtitle{font-size:17px!important;line-height:1.4!important;font-weight:600;color:#365776!important;margin-top:9px!important}
.book-copy .book-highlights{font-size:13px!important;line-height:1.65;color:#4b6076!important;font-weight:400;letter-spacing:.15px;margin-top:10px!important}
.text-link{display:flex;justify-content:space-between;gap:24px;font-size:13px;font-weight:700;border-bottom:1px solid #bfcddd;padding-block:24px 12px}
.book-copy .text-link{font-size:14px;margin-top:22px;padding:0 0 8px}
.book-copy .text-link span{transition:transform .25s ease}
.book-copy .text-link:hover span{transform:translateX(4px)}
.text-link:hover{color:#277449}
.coming-section{background:var(--paper);padding-block:76px 58px;border-block:1px solid var(--line)}
.coming-series-note{margin:-20px 0 30px;color:#607187;font-size:13px}
.coming-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.future-card{display:grid;grid-template-rows:auto 330px 1fr;padding:18px 20px 22px;border:1px solid var(--line);background:rgba(255,255,255,.58)}
.future-card-meta{display:flex;justify-content:flex-end;align-items:center;height:30px;margin-bottom:10px}
.future-card-meta span{font-family:Georgia,serif;color:#91a0b0;font-size:24px;line-height:1}
.future-cover-stage{display:flex;align-items:center;justify-content:center;height:330px;padding:10px;overflow:visible;background:#f1f5f8}
.future-cover-stage img{display:block;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 7px 8px rgba(26,54,93,.10));transition:transform .28s ease-out,filter .28s ease-out}
@media(hover:hover) and (pointer:fine){
.future-cover-stage img:hover{transform:translateY(-4px) scale(1.018);filter:drop-shadow(0 10px 12px rgba(26,54,93,.16))}
}
.future-copy{display:grid;grid-template-rows:auto minmax(68px,auto) auto auto minmax(58px,auto) auto;row-gap:7px;margin-top:18px;padding-top:18px;border-top:1px solid #dce4ec;align-content:start}
.future-copy>*{margin:0}
.future-level{color:#2c6480;text-transform:uppercase;letter-spacing:1.5px;font-size:9px;font-weight:700}
.future-copy h3{font-size:19px;line-height:1.18;font-weight:700;letter-spacing:-.35px}
.future-subtitle{color:#365776;font-size:13px;font-weight:600}
.future-syllabus{color:#62758a;font-size:10px;text-transform:uppercase;letter-spacing:.75px}
.future-description{color:var(--muted);font-size:12px;line-height:1.6}
.future-status{padding-top:10px;border-top:1px solid #dce4ec;color:#42657d;text-transform:uppercase;letter-spacing:1.6px;font-size:9px;font-weight:700}
.about-section{background:#eef4f8}
.about{display:grid;grid-template-columns:1fr 1fr;align-items:start;gap:80px;padding-block:100px}
.about-lead{color:#233d58;font-size:22px;line-height:1.5;font-weight:500}
.about p+p{margin-top:22px;color:var(--muted);font-size:15px;line-height:1.75;font-weight:400}
.about .text-link{display:inline-flex;align-items:center;justify-content:flex-start;gap:9px;width:auto;max-width:none;margin-top:24px;padding:0 0 7px;color:#26445f;font-size:14px;font-weight:600}
.about .text-link span{transition:transform .25s ease-out}
.about .text-link:hover span{transform:translateX(4px)}
.site-footer{background:var(--navy);color:white;padding-top:40px}
.footer-grid{display:grid;grid-template-columns:1.35fr .75fr .85fr .85fr;gap:24px;padding-bottom:36px}
.site-footer .brand{display:inline-flex;flex-wrap:nowrap}
.site-footer .brand img{height:46px;width:auto;max-height:none}
.site-footer p{font-size:13px;line-height:1.5;font-weight:500;letter-spacing:1.8px;color:#cbd7e5;margin-top:12px}
.site-footer .footer-grid h2{font-size:17px;line-height:1.3;font-weight:700;letter-spacing:.04em;margin:0 0 12px}
.footer-grid>div>a:not(.brand),.footer-grid>div>span,.footer-grid address{display:block;font-size:15px;line-height:1.55;color:#cbd7e5;margin:6px 0;overflow-wrap:anywhere}
.footer-grid .office-label{margin-top:12px;margin-bottom:2px;color:#e1e9f2;font-weight:700;letter-spacing:.04em}
.footer-grid address{margin-top:0;font-style:normal}
.footer-grid a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.copyright{border-top:1px solid #ffffff18;padding-block:14px;font-size:13px;color:#afbed0}
.brand img{background:var(--navy);padding:6px 9px;border-radius:2px}
.site-footer .brand img{background:transparent;padding:0}
.aat-hero{background:linear-gradient(110deg,#f7fafc 62%,#e8eff7 62%);padding:25px 0 60px}
.breadcrumb{font-size:11px;color:var(--muted)}
.aat-hero-grid{display:grid;grid-template-columns:1.4fr 1fr;align-items:center;gap:60px;padding-top:44px}
.aat-hero h1{font-size:clamp(42px,4.8vw,63px);letter-spacing:-2.8px;font-weight:600}
.dot{margin-inline:12px;color:var(--green)}
.aat-subtitle{font-size:24px;color:var(--blue);margin-top:18px}
.aat-hero .hero-intro{font-size:15px;margin:22px 0 15px}
.support-note{font-size:12px;max-width:400px;color:var(--muted);margin-bottom:26px}
.availability{font-size:11px;color:var(--muted);margin-top:12px}
.stats-section{background:var(--navy);color:white}
.stats{display:grid;grid-template-columns:repeat(4,1fr);padding-block:35px}
.stats>div{border-right:1px solid #ffffff30;text-align:center}
.stats>div:last-child{border:0}
.stats strong{display:block;font-size:49px;font-weight:500;line-height:1.3;letter-spacing:-2px}
.stats span{font-size:11px;letter-spacing:.6px;color:#ccdaeb}
.description-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:90px}
.prose{font-size:15px;color:var(--muted)}
.prose .lead{font-size:19px;color:var(--ink)}
.inside-section{background:var(--paper);border-block:1px solid var(--line)}
.inside-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:35px;gap:0 30px}
.inside-grid>div{padding:24px 0;border-top:1px solid #c8d5e3}
.inside-grid span{font-size:10px;letter-spacing:1px;color:#6d879f}
.inside-grid h3{font-size:16px;font-weight:500;line-height:1.5;margin-top:12px}
.topics{list-style:none;counter-reset:topic;padding:0;display:grid;grid-template-columns:1fr 1fr;column-gap:55px}
.topics li{counter-increment:topic;border-bottom:1px solid var(--line);padding:17px 0;display:flex;gap:20px;font-size:14px;align-items:baseline}
.topics li:before{content:counter(topic,decimal-leading-zero);font-size:10px;color:#6782a0}
.preview-section{background:#edf2f7}
.sample-placeholder{border:1px dashed #acbdce;padding:48px;display:flex;align-items:center;gap:35px}
.page-symbol{font-size:65px;color:#7994af}
.sample-placeholder h3{font-size:23px;font-weight:500}
.sample-placeholder p,.resource-grid p:not(.eyebrow){font-size:14px;color:var(--muted);margin-top:15px}
.status-label{font-size:10px;font-weight:600;letter-spacing:.5px;display:inline-block;color:#54677e;background:#e0e8f0;padding:7px 12px;margin-top:22px}
.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}
.resource-grid article+article{border-left:1px solid var(--line);padding-left:50px}
.resource-grid h2{font-size:32px}
.bibliography-section{background:var(--paper)}
.bibliography{margin-top:35px}
.bibliography>div{display:grid;grid-template-columns:220px 1fr;border-bottom:1px solid var(--line);padding:15px 0;font-size:13px}
.bibliography dt{font-weight:600}
.bibliography dd{margin:0;color:var(--muted)}
.disclaimer{margin-top:38px;max-width:890px;color:var(--muted)}
.disclaimer h3{font-size:12px;margin-bottom:12px}
.disclaimer p{font-size:12px;line-height:1.8}
@media(min-width:761px) and (max-width:1050px){.container{width:calc(100% - 48px)}
.navigation{gap:18px}
.hero-grid{gap:0}
.coming-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.future-card:last-child{grid-column:1/-1;width:calc(50% - 11px);justify-self:center}
.footer-grid{grid-template-columns:1fr 1fr;gap:28px 36px}
.aat-hero-grid{gap:20px}
.description-grid{gap:40px}
.inside-grid{grid-template-columns:repeat(2,1fr)}
.book-copy{padding:24px 22px 23px}
.book-copy .eyebrow{font-size:9px;letter-spacing:1.35px}
.book-copy h3{font-size:23px}
.book-copy p:not(.eyebrow){font-size:14px}
.book-copy .subtitle{font-size:15px!important}
.book-copy .book-highlights{font-size:12px!important}
.book-copy .text-link{font-size:13px;margin-top:20px}
.about{grid-template-columns:1fr;gap:38px;padding-block:76px}
.about-lead{font-size:21px;line-height:1.5}
}
@media(max-width:760px){html{scroll-padding-top:85px}
.container{width:calc(100% - 40px)}
.section{padding-block:58px}
.nav{min-height:74px;gap:12px}
.brand{gap:12px}
.brand img{width:95px}
.brand>span{padding-left:12px;font-size:8px;letter-spacing:1.7px}
.menu-toggle{display:block}
.navigation{display:none;position:absolute;top:100%;left:0;right:0;background:white;padding:16px 20px 24px;box-shadow:0 12px 20px #1a365d12;border-bottom:1px solid var(--line)}
.navigation.is-open{display:flex;flex-direction:column;align-items:stretch;gap:0}
.navigation a{display:block;padding:12px}
.hero-grid{grid-template-columns:1fr;padding-block:48px 35px;gap:24px}
.publisher-hero h1{font-size:43px;letter-spacing:-1.8px}
.eyebrow{font-size:9px;letter-spacing:1.5px}
.hero-intro{font-size:15px}
.hero-bottom{font-size:8px;display:block}
.hero-bottom span{display:block}
.hero-bottom span+span{margin-top:7px}
.section-heading{display:block;margin-bottom:28px}
.section-heading>p{margin-top:18px;font-size:13px}
.book-grid,.coming-grid,.about,.aat-hero-grid,.description-grid,.resource-grid{grid-template-columns:1fr}
.book-grid{gap:28px}
.stage-label{left:14px;top:13px}
.stage-number{right:14px;bottom:12px;font-size:24px}
.book-copy{padding:24px 22px 23px}
.book-copy h3{font-size:23px}
.coming-section{padding-block:52px 42px}
.coming-grid{gap:14px}
.coming-series-note{margin:-12px 0 24px;font-size:12px}
.future-card{padding:17px 18px 22px}
.future-cover-stage{height:320px}
.future-copy h3{font-size:18px}
.about{gap:28px;padding-block:58px}
.about-lead{font-size:20px;line-height:1.5}
.footer-grid{grid-template-columns:1fr;gap:22px;padding-bottom:28px}
.footer-grid>div:first-child{grid-column:auto}
.site-footer{padding-top:32px}
.site-footer .brand img{height:42px}
.aat-hero{background:#f7fafc;padding-bottom:40px}
.aat-hero-grid{padding-top:32px;gap:30px}
.aat-hero h1{font-size:42px;letter-spacing:-1.8px}
.aat-subtitle{font-size:22px}
.stats{grid-template-columns:1fr 1fr;gap:25px 0;padding-block:30px}
.stats>div:nth-child(2){border:0}
.stats strong{font-size:43px}
.stats span{font-size:10px}
.description-grid{gap:26px}
.prose .lead{font-size:17px}
.inside-grid{grid-template-columns:1fr 1fr;gap:0 20px}
.inside-grid h3{font-size:14px}
.topics{grid-template-columns:1fr}
.sample-placeholder{padding:25px;display:block}
.sample-placeholder h3{font-size:22px}
.page-symbol{font-size:45px}
.resource-grid{gap:36px}
.resource-grid article+article{border-left:0;border-top:1px solid var(--line);padding:32px 0 0}
.bibliography>div{grid-template-columns:1fr;gap:5px}
.desktop-break{display:none}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*{transition:none!important}
}

/* Homepage photographic Hero: crop the original image without resizing it. */
.publisher-hero{background-color:var(--navy);background-image:linear-gradient(90deg,rgba(8,29,52,.82) 0%,rgba(10,34,60,.55) 55%,rgba(10,34,60,.40) 100%),url("../images/publishing-hero.jpg");background-size:cover;background-position:center 48%;background-repeat:no-repeat}
.publisher-hero .hero-grid{display:flex;min-height:510px;padding-block:58px 48px}
.publisher-hero .hero-grid>div{max-width:650px}
.publisher-hero .hero-bottom{padding-block:22px;border-top-color:#ffffff26}
.publisher-hero .eyebrow{font-size:15px}
.publisher-hero .hero-intro{font-size:22px;line-height:1.65}
.publisher-hero .button.light{background:#38a169;color:#fff;font-size:16px;font-weight:700;padding:12px 32px;border-radius:4px}
.publisher-hero .button.light:hover{background:#15803d;color:#fff}
.publisher-hero .hero-bottom span:first-child{font-size:14px}
.publisher-hero .hero-bottom span:last-child{font-size:15px}
@media(max-width:1050px){
.publisher-hero .eyebrow{font-size:14px}
.publisher-hero .hero-intro{font-size:20px}
}
@media(max-width:760px){
.publisher-hero{background-position:58% 50%;background-image:linear-gradient(90deg,rgba(8,29,52,.86),rgba(10,34,60,.62)),url("../images/publishing-hero.jpg")}
.publisher-hero .hero-grid{min-height:480px;padding-block:48px 40px}
.publisher-hero .hero-bottom{padding-block:20px}
.publisher-hero .eyebrow{font-size:12px;letter-spacing:1.5px}
.publisher-hero .hero-intro{font-size:18px;line-height:1.65}
.publisher-hero .button.light{font-size:15px;padding:12px 24px}
.publisher-hero .hero-bottom span:first-child{font-size:11px}
.publisher-hero .hero-bottom span:last-child{font-size:12px}
}