.book-intro{padding-top:30px;padding-bottom:48px}.book-hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(230px,.8fr);gap:70px;align-items:center;padding-top:36px}.book-hero h1{font-size:clamp(38px,4.1vw,54px);line-height:1.12;max-width:660px;margin:16px 0 16px}.book-hero h1 span{display:block;color:var(--green);font-size:.7em;margin-top:13px}.book-byline{font-size:15px;color:var(--muted);margin-bottom:23px}.book-lead{font-size:18px;line-height:1.85;max-width:600px}.book-purchase-note{font-size:12px;line-height:1.75;margin-top:15px;max-width:550px;color:var(--muted)}.book-facts{display:flex;gap:32px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}.book-facts div{display:flex;flex-direction:column;gap:4px}.book-facts strong{font:30px Georgia,serif;color:var(--green)}.book-facts span{font-size:12px;color:var(--muted)}.book-cover{margin:0;justify-self:center;text-align:center;max-width:285px}.book-cover img{display:block;width:100%;height:auto;border:1px solid #d5d7ce;box-shadow:10px 14px 0 #e0e6d8;border-radius:2px}.book-cover figcaption{font:italic 12px Georgia,serif;color:var(--muted);margin-top:25px}.book-reading-section{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#edf1e5}.book-reading-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:90px;padding-top:40px;padding-bottom:40px}.book-reading-grid h2{font-size:34px;margin:12px 0 19px;max-width:480px}.book-reading-grid h3{font-size:18px;margin-bottom:10px}.book-reading-grid p{font-size:15px;line-height:1.9;color:var(--muted)}.book-reading-grid>div:last-child p+h3{margin-top:24px}.book-topic-list{display:grid;grid-template-columns:1fr 1fr;gap:0 38px;padding:0;margin:22px 0 0;list-style:none}.book-topic-list li{display:flex;gap:20px;padding:23px 0;border-top:1px solid var(--line)}.book-topic-number{font:23px Georgia,serif;color:#829777;min-width:30px;padding-top:1px}.book-topic-list h3{font-size:18px;margin-bottom:8px}.book-topic-list p{font-size:14px;line-height:1.75;color:var(--muted)}.book-choice{display:grid;grid-template-columns:1.1fr 1fr;gap:55px;padding-top:10px}.book-choice h2{font-size:32px;margin:12px 0 19px}.book-choice p{font-size:15px;line-height:1.85;color:var(--muted);margin-bottom:23px}.book-buy-box{align-self:center;background:#edf1e5;border:1px solid #d3ddc8;padding:30px;border-radius:9px}.book-buy-box h3{font-size:22px;margin-bottom:14px}.book-faq{padding-bottom:55px}.book-faq>h2{font-size:31px;margin-bottom:23px}.book-faq details{border-top:1px solid var(--line);padding:18px 0}.book-faq summary{font-size:15px;font-weight:600;cursor:pointer;color:var(--green)}.book-faq details p{font-size:15px;line-height:1.9;max-width:790px;padding-top:14px;color:var(--muted)}.book-details-note{border-top:1px solid var(--line);padding-top:20px;font-size:12px;line-height:1.8;color:var(--muted)}.book-details-note a{text-decoration:underline;text-underline-offset:3px}.book-strip{display:grid;grid-template-columns:125px minmax(0,1fr);gap:34px;align-items:center;border:1px solid #d1dbc7;background:#edf1e5;border-radius:10px;padding:30px 35px;margin-top:37px}.book-strip-cover img{display:block;width:105px;height:auto;border:1px solid #d5d7ce;box-shadow:5px 7px 0 #dce3d3}.book-strip h2{font-size:29px;margin:9px 0 15px}.book-strip p{font-size:14px;line-height:1.85;max-width:690px;margin-bottom:18px;color:var(--muted)}.book-strip .solid-button{font-size:12px}.home-book-promo{padding-bottom:25px}.home-book-promo .book-strip{margin-top:0}.book-callout{display:grid;grid-template-columns:90px minmax(0,1fr);gap:22px;align-items:center;margin:30px 0;border:1px solid #d2ddc7;background:#f0f3e9;padding:23px;border-radius:8px}.book-callout img{width:90px;height:auto;border:1px solid #d5d7ce}.book-callout h2{font-size:25px;margin:8px 0 12px}.book-callout p{font-size:14px;line-height:1.8;color:var(--muted);margin-bottom:15px}.book-callout .section-kicker{font-size:9px}.book-callout .outline-button{font-size:11px;padding:9px 12px}.samsung-lessons .lesson-row>.outline-button{white-space:nowrap;font-size:12px}
@media(min-width:761px) and (max-width:1150px){.header-search{display:none}.book-hero{gap:40px}.book-reading-grid{gap:45px}}
@media(max-width:760px){.book-intro{padding-top:20px;padding-bottom:35px}.book-hero{grid-template-columns:1fr;gap:37px;padding-top:21px}.book-hero h1{font-size:39px;line-height:1.12}.book-byline{font-size:14px;margin-bottom:18px}.book-lead{font-size:16px;line-height:1.85}.book-hero .hero-actions{flex-direction:column;align-items:flex-start}.book-hero .hero-actions a{font-size:13px;padding:12px 15px}.book-purchase-note{font-size:12px}.book-facts{gap:24px;margin-top:24px;padding-top:20px;justify-content:space-between}.book-facts strong{font-size:28px}.book-facts span{font-size:11px}.book-cover{max-width:225px;margin-bottom:8px}.book-reading-grid{grid-template-columns:1fr;gap:29px;padding-top:30px;padding-bottom:30px}.book-reading-grid h2{font-size:29px}.book-reading-grid p{font-size:15px}.book-topic-list{grid-template-columns:1fr}.book-topic-list li{gap:16px;padding:19px 0}.book-topic-list h3{font-size:17px}.book-topic-list p{font-size:14px}.book-choice{grid-template-columns:1fr;gap:25px}.book-choice h2{font-size:29px}.book-buy-box{padding:24px}.book-buy-box h3{font-size:20px}.book-faq>h2{font-size:29px}.book-strip{grid-template-columns:76px minmax(0,1fr);gap:20px;padding:23px 21px;margin-top:28px;align-items:start}.book-strip-cover img{width:76px;margin-top:5px}.book-strip h2{font-size:24px;line-height:1.2}.book-strip p{font-size:13px}.book-strip .section-kicker{font-size:9px;line-height:1.7}.book-strip .solid-button{font-size:11px;padding:10px 11px}.book-callout{grid-template-columns:62px minmax(0,1fr);gap:17px;padding:20px 17px;align-items:start}.book-callout img{width:62px;margin-top:5px}.book-callout h2{font-size:22px;line-height:1.25}.book-callout p{font-size:13px}.book-callout .outline-button{font-size:10px}.samsung-lessons .lesson-row>.outline-button{grid-column:2;justify-self:start;font-size:11px}.book-details-note{font-size:11px}}
@media print{.book-callout,.book-strip{display:none}.book-hero{grid-template-columns:2fr 1fr;gap:25px}.book-cover{max-width:160px}.book-faq details p{display:block}.book-choice{display:none}}