:root {
  --brand:#141B20;
  --text:#222222;
  --secondary:#5A5A5A;
  --divider:#E3E3E3;
  --pale:#F6F6F5;
  --serif:"Source Serif 4", Georgia, "Times New Roman", serif;
  --sans:Inter, "Segoe UI", Arial, sans-serif;
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.65}
a{color:var(--brand);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,audio:focus-visible{outline:3px solid #4b86b4;outline-offset:3px}
img{max-width:100%;height:auto;display:block}
.container{width:min(var(--max),calc(100% - 64px));margin-inline:auto}
.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;color:#000;padding:10px 14px;z-index:1000}.skip-link:focus{left:8px}
.site-header{height:72px;border-bottom:1px solid var(--divider);background:#fff}
.site-header__inner{height:100%;width:min(var(--max),calc(100% - 64px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand img,.footer-logo img{width:140px;height:auto}.site-nav{display:flex;align-items:center;gap:28px;font-size:15px}.site-nav>a,.nav-item>a{text-decoration:none;padding:14px 0}.nav-item{position:relative}.nav-item>a{display:block}.dropdown-menu{display:none;position:absolute;z-index:10;top:100%;left:-16px;min-width:190px;background:white;border:1px solid var(--divider);padding:8px 0}.dropdown-menu a{display:block;padding:9px 16px;text-decoration:none;white-space:nowrap}.dropdown-menu a:hover,.dropdown-menu a:focus{background:var(--pale)}.nav-item:hover .dropdown-menu,.nav-item:focus-within .dropdown-menu{display:block}.menu-toggle{display:none;background:white;border:1px solid var(--brand);padding:9px 12px;font:inherit;min-height:44px}
.breadcrumbs{font-size:14px;color:var(--secondary);padding-top:18px}.breadcrumbs ol{list-style:none;padding:0;margin:0;display:flex;gap:8px;flex-wrap:wrap}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#888}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.15;color:var(--brand);margin-top:0}h1{font-size:clamp(2.2rem,4vw,2.6rem)}h2{font-size:clamp(1.8rem,3vw,2.2rem)}h3{font-size:1.48rem}.eyebrow{font-size:13px;letter-spacing:.12em;font-weight:700;color:var(--brand);margin:0 0 8px}.intro{font-size:18px;color:#333}.arrow-link{font-size:15px;font-weight:600;text-decoration:none}.button{display:inline-block;background:var(--brand);color:white;text-decoration:none;padding:11px 18px;min-height:44px}.meta{font-size:14px;color:var(--secondary)}
.home-intro{text-align:center;padding-top:38px;padding-bottom:38px}.home-intro h1{font-size:clamp(2rem,4vw,2.55rem);letter-spacing:.04em;margin-bottom:14px}.home-intro .intro{margin:0 auto 12px;max-width:740px}.series-panels{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.series-photo{width:100%;aspect-ratio:4/5;object-fit:cover}.series-panel h2{font-size:29px;margin:20px 0 8px}.series-panel p{margin:0 0 10px}.section-block{padding-top:80px;padding-bottom:80px}.section-heading-row{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:28px}.section-heading-row h2{margin:0}.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:34px}.book-grid--three{grid-template-columns:repeat(3,1fr);max-width:980px;margin:auto}.book-cover{width:100%;height:auto}.book-tile h3{font-size:24px;margin:15px 0 4px}.book-tile h3 a{text-decoration:none}.news-home{background:var(--pale);padding:70px 0}.news-home-grid,.news-index-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:70px}.news-list-item{padding:0 0 28px;margin:0 0 28px;border-bottom:1px solid var(--divider)}.news-list-item h2,.news-list-item h3{margin-bottom:8px}.news-list-item p{margin:0 0 8px}.newsletter-box{align-self:start;border-left:1px solid var(--divider);padding-left:34px}.newsletter-box h2,.newsletter-inline h2{font-size:28px}.newsletter-box input[type=email],.newsletter-box input[type=text],.newsletter-inline input[type=email],.newsletter-inline input[type=text]{width:100%;padding:11px;border:1px solid #aaa;border-radius:0;font:inherit}.newsletter-box input[type=submit],.newsletter-box button,.newsletter-inline input[type=submit],.newsletter-inline button{background:var(--brand);color:#fff;border:0;border-radius:0;padding:11px 18px;min-height:44px;font:inherit;cursor:pointer}
.page-header{padding-top:60px;padding-bottom:35px}.index-list{padding-bottom:80px}.index-row{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:26px 0;border-top:1px solid var(--divider)}.index-row h2{font-size:28px;margin:0 0 4px}.index-row p{margin:0}.series-hero{padding:52px 0;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}.series-page-photo{width:100%;max-height:640px;object-fit:cover}.prose p{margin:0 0 1.15em}.prose h2,.prose h3{margin-top:1.5em}.prose ul,.prose ol{padding-left:1.3em}.prose a{overflow-wrap:anywhere}.book-hero{display:grid;grid-template-columns:minmax(240px,360px) minmax(0,1fr);gap:70px;padding:52px 0}.book-cover--large{max-width:360px}.book-info h1{font-size:clamp(2.2rem,4vw,3.1rem);margin-bottom:10px}.book-subtitle{font-family:var(--serif);font-size:23px}.status-label{font-size:13px;font-weight:700;letter-spacing:.08em}.retailers{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin:28px 0 18px}.retailers a{display:flex;min-height:48px;align-items:center}.retailers img{max-width:138px;max-height:46px;object-fit:contain}.isbn-list{display:grid;gap:4px;margin:0 0 28px;font-size:14px;color:var(--secondary)}.isbn-list div{display:flex;gap:8px;flex-wrap:wrap}.isbn-list dt{font-weight:600;color:var(--text)}.isbn-list dd{margin:0;font-variant-numeric:tabular-nums}.edition-links{margin-top:28px;font-size:15px}.edition-links a[aria-current=page]{font-weight:700;text-decoration:none}.prose-container{max-width:780px;padding-bottom:70px}.audio-section{border-top:1px solid var(--divider);padding-top:36px;padding-bottom:70px}.audio-section audio{width:min(100%,640px)}.about-layout{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(0,1.1fr);gap:70px;padding:60px 0 80px}.author-photo{width:100%;object-fit:cover}.article-page{max-width:820px;padding:55px 0 80px}.article-page>header{margin-bottom:35px}.article-page h1{font-size:clamp(2.35rem,5vw,3.4rem)}.article-prose{font-size:18px;line-height:1.75}.article-prose img{margin:30px auto}.newsletter-inline{background:var(--pale);margin-top:55px;padding:30px}.site-footer{background:var(--brand);color:#fff;padding:50px 0}.site-footer a{color:#fff}.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:45px}.footer-nav{display:flex;flex-direction:column;gap:7px}.footer-small{font-size:14px;line-height:1.5;color:#f1f1f1}.social-links{display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap}.social-links a{min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center}.social-links img{width:24px;height:24px;object-fit:contain}
@media (max-width:900px){.container,.site-header__inner{width:min(100% - 40px,var(--max))}.site-header{height:64px}.brand img{width:112px}.menu-toggle{display:block}.site-nav{display:none;position:absolute;left:0;right:0;top:64px;background:white;border-bottom:1px solid var(--divider);padding:14px 20px;flex-direction:column;align-items:stretch;gap:0;z-index:20}.site-nav--open{display:flex}.site-nav>a,.nav-item>a{display:block;padding:11px 0}.dropdown-menu{display:block;position:static;border:0;padding:0 0 6px 18px}.dropdown-menu a{padding:6px 0}.series-panels{grid-template-columns:1fr;gap:44px}.series-photo{aspect-ratio:3/2}.book-grid,.book-grid--three{grid-template-columns:repeat(2,1fr)}.news-home-grid,.news-index-layout,.series-hero,.book-hero,.about-layout{grid-template-columns:1fr;gap:36px}.newsletter-box{border-left:0;border-top:1px solid var(--divider);padding:28px 0 0}.book-cover--large{margin:auto;max-width:320px}.footer-grid{grid-template-columns:1fr 1fr}.section-block{padding-top:60px;padding-bottom:60px}}
@media (max-width:560px){body{font-size:16.5px}.container,.site-header__inner{width:calc(100% - 40px)}.home-intro{padding-top:30px;padding-bottom:32px}.series-panel h2{font-size:27px}.book-grid,.book-grid--three{grid-template-columns:1fr 1fr;gap:24px 18px}.book-tile h3{font-size:20px}.section-heading-row{align-items:flex-start;flex-direction:column}.index-row{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr}.article-page{padding-top:38px}.book-hero{padding-top:35px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}