.edu-launch{--ink:#122b27;--green:#157460;--mint:#dcf2e8;color:var(--ink);background:#fafbf8}.edu-launch :focus-visible{outline-offset:5px;outline:3px solid #168472}.launch-header{height:72px;min-height:72px}.launch-header-cta{justify-self:end}.launch-skip{z-index:200;background:#fff;padding:15px 22px;position:fixed;top:-80px;left:20px}.launch-skip:focus{top:12px}.reading-progress{width:100%;height:2px;position:absolute;bottom:0;left:0}.reading-progress span{transform-origin:0;background:#19836c;height:100%;display:block;transform:scaleX(0)}.wide-section{width:min(1160px,100% - 64px);margin-inline:auto}.reading-column{width:min(720px,100% - 48px);margin-inline:auto}.launch-hero{text-align:center;padding:64px 24px 48px}.launch-meta{color:#6b756e;justify-content:center;gap:14px;font-size:13px;display:flex}.meta-separator{opacity:.4}.launch-edition{letter-spacing:.06em;text-transform:uppercase;align-items:center;gap:8px;margin:36px 0 20px;font-size:12px;font-weight:600;display:inline-flex}.launch-edition>span{background:#19836c;border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #e5f3e9}.launch-hero h1{letter-spacing:-.055em;text-wrap:balance;max-width:1100px;margin:0 auto;font-size:clamp(44px,6.2vw,84px);font-weight:500;line-height:1.05}.launch-hero em,.launch-outro em,.launch-quote em{color:#25836a;letter-spacing:-.055em;font-family:Georgia,Times New Roman,serif;font-weight:400}.launch-deck{color:#66716a;margin:24px 0;font-size:clamp(18px,2vw,22px);line-height:1.55}.launch-hero-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:26px;display:flex}.launch-button{color:#fff;background:#163e34;border-radius:999px;justify-content:center;align-items:center;gap:26px;min-height:48px;padding:12px 24px;font-size:14px;transition:background .2s,transform .2s;display:inline-flex}.launch-button:hover{background:#206b55;transform:translateY(-2px)}.text-button{cursor:pointer;background:0 0;border:0;align-items:center;gap:14px;padding:12px 0;font-size:14px;display:inline-flex}.launch-cover{margin-top:0;margin-bottom:0}.launch-cover picture{background:#d4eee6;border-radius:12px;display:block;overflow:hidden}.launch-cover img{width:100%;height:auto;display:block}.launch-cover figcaption{color:#687770;justify-content:space-between;gap:20px;margin:14px 0 0;font-size:12px;display:flex}.reading-tools{color:#66716a;border-bottom:1px solid #dce2dc;justify-content:space-between;align-items:center;gap:20px;margin-top:30px;padding:28px 0;font-size:13px;display:flex;position:relative}.reading-tools button{cursor:pointer;color:var(--ink);background:0 0;border:0;padding:10px 0}.share-status{font-size:12px;position:absolute;top:100%;right:0}.launch-summary{padding:88px 0}.summary-heading{justify-content:space-between;align-items:start;gap:32px;margin-bottom:36px;display:flex}.section-kicker{text-transform:uppercase;letter-spacing:.13em;color:#64766b;margin:0 0 20px;font-size:11px;font-weight:600;line-height:1.6}.summary-heading h2{letter-spacing:-.045em;margin:0;font-size:clamp(30px,3.6vw,46px);font-weight:500;line-height:1.1}.summary-grid{border:1px solid #dce5dc;border-radius:12px;grid-template-columns:repeat(4,1fr);display:grid;overflow:hidden}.summary-grid>a{background:#f0f4ee;border-right:1px solid #dce5dc;padding:26px 22px;transition:background .2s;position:relative}.summary-grid>a:last-child{border:0}.summary-grid>a:hover{background:#e3efdf}.summary-icon{color:#27745d;height:78px;font-family:Georgia,serif;font-size:40px;display:block}.summary-grid h3{letter-spacing:-.025em;margin:16px 0 12px;font-size:19px;font-weight:500}.summary-grid p{color:#62716a;margin-bottom:10px;font-size:13px;line-height:1.6}.summary-arrow{color:#5d786b;position:absolute;top:22px;right:22px}.chapter-nav{z-index:40;backdrop-filter:blur(12px);background:#fafbf8f5;border-block:1px solid #dfe5de;position:sticky;top:72px}.chapter-nav-inner{scrollbar-width:thin;align-items:center;gap:26px;max-width:1160px;margin:auto;padding:18px 24px;display:flex;overflow:auto}.chapter-nav-inner>span{color:#708073;text-transform:uppercase;letter-spacing:.08em;flex:none;font-size:11px}.chapter-nav a{white-space:nowrap;color:#69756c;font-size:12px}.chapter-nav a[aria-current]{color:#12674f;text-underline-offset:5px;text-decoration:underline}.introduction{padding-top:70px}.introduction p,.prose p{color:#414d45;margin:0 0 28px;font-size:19px;line-height:1.85}.introduction p:first-child{color:var(--ink);letter-spacing:-.015em;font-size:23px;line-height:1.65}.launch-chapter{padding-top:76px;scroll-margin-top:145px}.chapter-heading{margin-bottom:36px}.chapter-heading .section-kicker{gap:16px;display:flex}.chapter-heading .section-kicker span{color:#16755a}.chapter-heading h2{letter-spacing:-.045em;text-wrap:balance;margin:0;font-size:clamp(36px,4.5vw,56px);font-weight:500;line-height:1.08}.interactive-block{background:#fff;border:1px solid #dce3db;border-radius:14px;margin-top:50px;margin-bottom:54px;padding:32px}.interactive-heading{justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px;display:flex}.interactive-heading .section-kicker{margin-bottom:10px}.interactive-heading h3{letter-spacing:-.04em;margin:0;font-size:clamp(24px,3vw,34px);font-weight:500;line-height:1.1}.gallery-controls,.move-controls{gap:8px;display:flex}.gallery-controls{z-index:2;flex:none;position:relative}.gallery-controls button,.move-controls button{width:42px;height:42px;color:var(--ink);cursor:pointer;background:#fff8;border:1px solid #ccd8ce;border-radius:50%;font-size:19px}.gallery-controls button{touch-action:manipulation}.gallery-controls button:disabled,.move-controls button:disabled{opacity:.28;cursor:default}.learning-gallery{scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:#86b7a1 transparent;cursor:grab;touch-action:pan-x pan-y;gap:16px;padding-bottom:16px;display:flex;overflow-x:auto}.learning-gallery.is-dragging{cursor:grabbing;scroll-snap-type:none;user-select:none}.learning-card{scroll-snap-align:start;border-radius:8px;flex-direction:column;flex:0 0 min(350px,86%);min-height:360px;padding:26px;display:flex}.tone-mint{background:#dcefe4}.tone-cream{background:#f3eddb}.tone-blue{background:#e0ecf2}.tone-forest{color:#eff9ed;background:#163e35}.tone-pink{background:#f4e3e4}.learning-card-top{opacity:.7;justify-content:space-between;gap:18px;font-size:10px;display:flex}.learning-card h4{letter-spacing:-.04em;margin:34px 0 22px;font-family:Georgia,serif;font-size:47px;font-style:italic;font-weight:400}.galician-sample{margin:0 0 22px;font-size:19px;line-height:1.6}.learning-prompt{opacity:.8;border-top:1px solid #456e552a;margin:auto 0 0;padding-top:22px;font-size:13px;line-height:1.6}.interactive-footnote{color:#6d7c71;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;margin-top:20px;font-size:11px;line-height:1.6;display:flex}.subject-triptych{grid-template-columns:repeat(3,1fr);gap:18px;margin-block:50px;display:grid}.subject-triptych>div{background:#edf2ea;border-radius:10px;flex-direction:column;justify-content:space-between;min-height:340px;padding:30px;display:flex}.subject-triptych>div:nth-child(2){background:#f0eadb}.subject-triptych>div:nth-child(3){background:#e3edf0}.subject-symbol{letter-spacing:-.04em;padding:15px 0 32px;font:italic 52px Georgia,serif}.subject-symbol.subject-dates{font-size:23px;line-height:.8}.subject-dates>span{opacity:.4;padding:8px 28px;font:26px Arial,sans-serif;display:inline-block}.letter-period{color:#679283}.subject-triptych h3{letter-spacing:-.03em;margin:0;font-size:28px;font-weight:500;line-height:1.1}.subject-triptych .section-kicker{margin-bottom:12px}.subject-triptych p:last-child{color:#677367;margin-top:20px;font-size:12px}.free-reading-panel{color:#f2f7e9;background:#143b31;border-radius:14px;grid-template-columns:1.1fr 1fr;align-items:center;gap:30px;margin-block:54px;padding:64px 58px;display:grid;overflow:hidden}.free-reading-panel .section-kicker{color:#a4c4ab}.free-reading-panel h3{letter-spacing:-.055em;margin:0;font-size:clamp(38px,4.8vw,64px);font-weight:500;line-height:1.02}.free-reading-panel em{color:#c3e3ad;font-family:Georgia,serif;font-weight:400}.free-reading-panel p:not(.section-kicker){color:#b9cdc0;max-width:380px;margin-block:26px;font-size:16px;line-height:1.7}.light-button{color:#173e31;background:#e4eedc}.light-button:hover{background:#fff}.book-composition{perspective:900px;height:355px;position:relative}.decor-book{border-left:7px solid #00000018;border-radius:3px 11px 11px 3px;width:220px;height:310px;padding:22px;transition:transform .8s cubic-bezier(.2,.7,.2,1);position:absolute;top:24px;left:50%;box-shadow:10px 22px 40px #02150d60}.book-back{background:#5f9379;font:italic 25px Georgia,serif;transform:translate(-25%)rotate(17deg)}.book-middle{color:#264939;background:#c1d8bd;font:italic 25px Georgia,serif;transform:translate(-65%)rotate(-14deg)}.book-front{color:#153d31;background:#efedda;flex-direction:column;justify-content:space-between;display:flex;transform:translate(-50%)rotate(-3deg)}.book-front small{text-transform:uppercase;letter-spacing:.08em;font-size:9px}.book-front strong{letter-spacing:-.04em;font-size:33px;font-weight:500;line-height:1.04}.book-front i{font-family:Georgia,serif}.book-front>span{font-size:10px;line-height:1.5}.free-reading-panel:hover .book-front{transform:translate(-50%)translateY(-12px)rotate(0)}.plan-tabs{background:#edf1eb;border-radius:999px;flex:none;padding:4px;display:inline-flex}.plan-tabs button{cursor:pointer;background:0 0;border:0;border-radius:999px;min-height:42px;padding:10px 22px;font-size:14px}.plan-tabs button[aria-selected=true]{color:#fff;background:#163e34;box-shadow:0 2px 5px #193b261f}.plan-panel{background:#f3f6ee;border-radius:10px;grid-template-columns:1.1fr 1fr;gap:40px;padding:38px;animation:.3s both panel-in;display:grid}.plan-panel-copy h4{letter-spacing:-.04em;max-width:340px;margin:0 0 26px;font-size:37px;font-weight:500;line-height:1.12}.plan-panel-copy ul{margin-bottom:20px;padding:0;list-style:none}.plan-panel-copy li{align-items:baseline;gap:12px;margin:14px 0;font-size:14px;line-height:1.65;display:flex}.plan-panel-copy li span{color:#398061}.plan-panel-visual{text-align:center;background:#e0edda;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;padding:26px;display:flex;overflow:hidden}.plan-metric{letter-spacing:-.06em;font-size:clamp(48px,6vw,80px);font-weight:400}.plan-panel-visual>p{max-width:260px;margin:10px 0 24px;font-size:13px;line-height:1.6}.topic-map{grid-template-columns:repeat(6,1fr);gap:8px;width:100%;max-width:310px;display:grid}.topic-cell{aspect-ratio:1;color:#6c7a6c;background:#f8fbf461;border:1px dashed #9db29a;border-radius:7px;place-items:center;font-size:12px;display:grid}.topic-cell.included{color:#fff;background:#1a624d;border:1px solid #1a624d}.plan-open-book{color:#48815c;font:italic 92px/1 Georgia,serif}.plan-note{color:#6a786d;margin:22px 0 0;font-size:12px;line-height:1.6}.accessibility-rollout{color:#172d42;background:#e8eef7;border-radius:14px;grid-template-columns:.9fr 1.35fr;gap:54px;margin-block:54px;padding:54px;display:grid}.accessibility-intro{align-self:center}.accessibility-intro .section-kicker{color:#536d88}.accessibility-intro h3{letter-spacing:-.055em;margin:0;font-size:clamp(38px,4.8vw,62px);font-weight:500;line-height:1.02}.accessibility-intro h3 em{color:#356b8d;font-family:Georgia,Times New Roman,serif;font-weight:400}.accessibility-intro>p:last-child{color:#516477;max-width:390px;margin:24px 0 0;font-size:14px;line-height:1.7}.accessibility-platforms{gap:10px;display:grid}.accessibility-platforms>div{background:#f8fbffb8;border:1px solid #c9d7e5;border-radius:10px;grid-template-columns:46px 1fr auto;align-items:center;gap:16px;min-height:88px;padding:16px 18px;display:grid}.platform-mark{color:#fff;background:#244d69;border-radius:9px;place-items:center;width:46px;height:46px;font:500 19px/1 Arial,sans-serif;display:grid}.accessibility-platforms p{gap:4px;margin:0;display:grid}.accessibility-platforms strong{font-size:16px;font-weight:600}.accessibility-platforms small{color:#687b8d;font-size:11px}.rollout-status{color:#315c78;white-space:nowrap;background:#dbe8f3;border-radius:999px;padding:7px 10px;font-size:10px}.study-instructions{color:#6b776e;max-width:690px;margin:0 0 26px;font-size:14px;line-height:1.7}.study-board{grid-template-columns:repeat(4,1fr);gap:14px;margin:0;padding:0;list-style:none;display:grid}.study-step{cursor:grab;touch-action:pan-y;border-radius:9px;min-width:0;padding:20px;transition:box-shadow .2s,transform .2s;position:relative}.study-step.is-moving{z-index:3;cursor:grabbing;transform:translate(var(--drag-x,0px), var(--drag-y,0px)) rotate(2deg);touch-action:none;user-select:none;transition:box-shadow .2s;box-shadow:0 15px 36px #143e3138}.study-step.is-drop-target{box-shadow:inset 0 0 0 3px #227759}.study-step-top{color:#4f6e5d;justify-content:space-between;align-items:center;font-size:11px;display:flex}.drag-grip{font-size:24px;line-height:1}.study-symbol{padding:26px 0 20px;font-size:55px;font-weight:400;line-height:1;display:block}.study-step h4{letter-spacing:-.03em;margin:0 0 12px;font-size:21px;font-weight:500}.study-step p{color:#586d5f;margin-bottom:24px;font-size:12px;line-height:1.5}.move-controls{justify-content:end}.move-controls button{width:30px;height:30px;font-size:16px}.launch-quote{text-align:center;border-block:1px solid #dce3da;margin-block:76px 0;padding:52px 24px}.launch-quote p{letter-spacing:-.035em;font-size:clamp(26px,4vw,42px);line-height:1.35}.launch-quote cite{color:#68796c;font-size:12px;font-style:normal}.launch-outro{text-align:center;background:#e8f0df;border-radius:14px;margin-block:82px;padding:86px 24px}.launch-outro h2{letter-spacing:-.05em;margin:0;font-size:clamp(40px,6vw,75px);font-weight:500;line-height:1.08}.launch-outro>p:not(.section-kicker){color:#627263;margin-block:26px;font-size:18px;line-height:1.6}.back-to-news{color:#57725d;margin-top:22px;font-size:13px;display:block}.motion-ready [data-reveal]{opacity:0;transition:opacity .65s,transform .65s cubic-bezier(.2,.7,.2,1);transform:translateY(20px)}.motion-ready [data-reveal].is-visible{opacity:1;transform:none}@keyframes panel-in{0%{opacity:.3;transform:translateY(5px)}to{opacity:1;transform:none}}@media (width<=900px){.summary-grid{grid-template-columns:repeat(2,1fr)}.summary-grid>a:nth-child(2){border-right:0}.summary-grid>a:nth-child(-n+2){border-bottom:1px solid #dce5dc}.interactive-heading{align-items:start}.plan-explorer .interactive-heading{flex-direction:column}.plan-panel{gap:24px;padding:28px}.free-reading-panel{padding:44px 32px}.accessibility-rollout{grid-template-columns:1fr;gap:34px;padding:40px 32px}.decor-book{width:185px;height:285px}.subject-triptych>div{padding:22px}.study-board{grid-template-columns:repeat(2,1fr)}}@media (width<=600px){.launch-header{gap:10px;height:64px;min-height:64px}.launch-header-cta{padding-inline:14px;font-size:12px}.wide-section{width:calc(100% - 32px)}.reading-column{width:calc(100% - 40px)}.launch-hero{padding:46px 20px 38px}.launch-meta{gap:10px;font-size:11px}.launch-edition{margin-top:28px;font-size:10px}.launch-hero h1{font-size:clamp(38px,10vw,54px)}.desktop-break{display:none}.launch-hero-actions{gap:12px}.launch-cover figcaption{font-size:10px}.reading-tools{align-items:baseline;gap:12px;padding-block:20px;font-size:11px}.reading-tools>span:first-child{max-width:205px;line-height:1.6}.reading-tools button{flex:none;font-size:12px}.launch-summary{padding-block:60px}.summary-heading{flex-direction:column;gap:4px}.summary-grid>a{padding:22px 15px}.summary-icon{height:60px;font-size:34px}.summary-grid h3{font-size:17px}.summary-grid p{font-size:12px}.chapter-nav{top:64px}.chapter-nav-inner{gap:22px;padding:16px 20px}.chapter-nav-inner>span{display:none}.introduction{padding-top:46px}.introduction p,.prose p{font-size:17px;line-height:1.8}.introduction p:first-child{font-size:20px}.launch-chapter{padding-top:52px;scroll-margin-top:132px}.chapter-heading h2{font-size:35px}.interactive-block{margin-block:32px;padding:22px 16px}.interactive-heading{gap:12px}.interactive-heading h3{font-size:24px}.gallery-controls{gap:5px}.gallery-controls button{width:32px;height:32px}.learning-card{min-height:370px;padding:22px}.learning-card h4{font-size:41px}.learning-card-top{flex-wrap:wrap;gap:8px}.subject-triptych{grid-template-columns:1fr;gap:12px}.subject-triptych>div{flex-direction:row;align-items:center;gap:24px;min-height:240px}.subject-symbol{flex:1;padding:0;font-size:38px}.subject-triptych>div>div{flex:1.5}.subject-triptych h3{font-size:25px}.free-reading-panel{grid-template-columns:1fr;padding:34px 24px 0}.free-reading-panel h3{font-size:44px}.book-composition{height:315px}.plan-panel{grid-template-columns:1fr;padding:22px}.plan-panel-copy h4{font-size:30px}.plan-tabs{width:100%}.plan-tabs button{flex:1;padding-inline:12px}.accessibility-rollout{padding:34px 22px}.accessibility-intro h3{font-size:43px}.accessibility-platforms>div{grid-template-columns:42px 1fr;gap:13px}.platform-mark{width:42px;height:42px}.rollout-status{grid-column:2;justify-self:start}.study-lab .interactive-heading{flex-wrap:wrap}.study-step{padding:15px}.study-step h4{font-size:18px}.study-board{gap:10px}.launch-outro{margin-block:52px;padding:54px 20px}.launch-outro h2{font-size:43px}}@media (prefers-reduced-motion:reduce){.edu-launch{scroll-behavior:auto}.edu-launch *,.edu-launch :before,.edu-launch :after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.motion-ready [data-reveal]{opacity:1;transform:none}}