/* V7. A mobile reading surface. Wider screens gain space, never smaller text. */
:root{--ink:#304638;--text:#535f4e;--muted:#65705b;--paper:#faf6ec;--cream:#eee8d8;--sage:#e2e8d5;--rose:#edd5c6;--rust:#9b5c42;--line:#c4c7b2;--serif:Fraunces,Georgia,serif;--sans:'DM Sans',Arial,sans-serif;--read-progress:0;--dawn:0;scroll-behavior:smooth;scroll-padding-top:24px;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:#e8e4d5;color:var(--text);font-family:var(--sans);font-size:1.0625rem;line-height:1.72;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit;cursor:pointer}button{border:0}a{color:inherit;text-decoration:none}p,h1,h2,h3,figure{margin:0}p,li{overflow-wrap:break-word}p+p{margin-top:1.25rem}h1,h2,h3{font-family:var(--serif);font-weight:400;color:var(--ink);line-height:1.16;letter-spacing:-.033em;text-wrap:balance}h2{font-size:clamp(2rem,8.7vw,2.75rem)}h3{font-size:1.625rem}em{font-weight:400}img{max-width:100%;height:auto;display:block}svg{display:block}.sprite{position:absolute;width:0;height:0;overflow:hidden}[hidden]{display:none!important}.icon{width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.container{width:100%;margin-inline:auto}.eyebrow{font-size:.6875rem;line-height:1.7;letter-spacing:.1em;color:var(--muted);font-weight:500;margin-bottom:1.1rem;text-transform:uppercase}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--rust);outline-offset:5px}button,input,textarea,summary,a{touch-action:manipulation}.button{display:inline-flex;align-items:center;justify-content:center;gap:1rem;min-height:52px;padding:14px 20px;background:var(--ink);color:#fffaf0;border-radius:4px 14px 14px 4px;font-size:.9375rem;font-weight:500;line-height:1.4;box-shadow:0 3px 0 #233a2a;transition:background .2s,transform .2s}.button:hover{background:#455f41;transform:translateY(-1px)}.button-outline{background:transparent;color:var(--ink);border:1px solid #8d9a80;box-shadow:none;border-radius:30px}.button-outline:hover{background:var(--sage)}.button-light{color:var(--ink);background:#fffaf0;box-shadow:0 3px 0 #a4b194}.button-light:hover{color:#fffaf0;background:var(--ink)}.button-small{min-height:46px;padding:11px 14px;font-size:.875rem}.text-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;padding:10px 0;background:transparent;border-bottom:1px solid #8c977d;color:var(--ink);font-size:.875rem;font-weight:500;line-height:1.5}.text-link>span:last-child{font-size:1.1875rem}.inline-button{background:none;border:0;border-bottom:1px solid #9da68d;padding:0;font:inherit;text-align:left}.skip-link{position:fixed;left:10px;top:10px;transform:translateY(-180%);z-index:100;background:var(--paper);padding:12px}.skip-link:focus{transform:none}.reading-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:60;pointer-events:none}.reading-progress span{display:block;height:100%;background:#a87955;transform:scaleX(var(--read-progress));transform-origin:left}
/* One unobstructed viewport: the header scrolls away; one dock carries navigation. */
.site-header{position:relative;z-index:40;height:76px}.header-inner{height:100%;display:flex;align-items:center;gap:12px;width:calc(100% - 36px);max-width:1280px}.wordmark{display:flex;align-items:center;gap:9px;color:var(--ink);flex:none}.wordmark>.icon{width:24px;height:24px}.wordmark>span{font:1.5rem/1.05 var(--serif);letter-spacing:-.04em}.wordmark small{display:block;font:500 .5rem/1.4 var(--sans);letter-spacing:.12em;margin-top:7px}.index-trigger{display:flex;align-items:center;justify-content:center;gap:8px;background:none;margin-left:auto;min-height:48px;padding:8px 4px;color:var(--ink);font-size:.875rem}.index-trigger>.icon{width:20px;height:20px}.desktop-nav,.header-cta,.header-inner>.notebook-trigger{display:none}.book-ribbon{display:none}.mobile-purchase{position:fixed;z-index:45;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 16px max(10px,env(safe-area-inset-bottom));background:#faf6ecfa;border-top:1px solid #bec6ad;box-shadow:0 -4px 22px #5260470a;transform:translateY(110%);visibility:hidden;transition:transform .25s,visibility .25s}.mobile-purchase.visible{transform:none;visibility:visible}.dock-index{display:flex;gap:10px;align-items:center;padding:4px 0;background:none;min-height:48px;text-align:left;line-height:1.3;color:var(--ink);font-size:.875rem}.dock-index .icon{width:21px;height:21px}.dock-index small{display:block;font-size:.6875rem;line-height:1.5;margin-top:3px;color:var(--muted);max-width:130px}.mobile-purchase .button{font-size:.8125rem;gap:9px;white-space:nowrap;box-shadow:none;min-height:46px}.mobile-purchase .button .icon{width:18px;height:18px}
/* A continuous leaf, with a quiet cloth binding and consistent reading margins. */
.reader-book{position:relative;isolation:isolate;max-width:1400px;margin:0 8px;background:var(--paper);border-radius:3px 10px 10px 3px;box-shadow:0 2px 0 #c3bca7,0 5px 0 #e5ddc9,0 8px 0 #c1b69c;overflow:clip}.reader-book::before{content:'';position:absolute;left:0;top:0;bottom:0;width:8px;background:linear-gradient(90deg,#b1b49a,#d9dbc6 70%,#d0d0b459);z-index:1;pointer-events:none}.section-space{padding:56px 26px 64px}.section-space::before{content:'';display:block;height:1px;background:linear-gradient(90deg,#aeb798,transparent);margin-bottom:38px;width:90px}.section-copy h2,.section-heading h2,.care-copy h2,.offer-copy h2,.faq h2{margin-bottom:24px}.section-copy>.text-link{margin-top:22px}.ink-mark{color:var(--ink);font-weight:500;background:linear-gradient(transparent 58%,#d8dfc3 58%,#d8dfc3 91%,transparent 91%);padding:0 .08em}.intro-line{padding:34px 30px 30px;display:flex;align-items:center;justify-content:center;gap:14px}.intro-line p{font:italic 1.25rem/1.5 var(--serif);color:#657452;text-align:center}.intro-line>span{width:16px;height:1px;background:#a9b492;flex:none}
/* The cover keeps the approved painting and gains a readable portrait composition. */
.cover-book{position:relative;isolation:isolate;margin:0 0 10px;background:#f5efdf;border-radius:3px 10px 10px 3px;box-shadow:0 3px 0 #b9ae91,0 6px 0 #e2d9c3}.cover-book::before{content:'';position:absolute;inset:12px 12px 13px 20px;border:1px solid #ad9b7370;border-radius:2px 6px 6px 2px;z-index:4;pointer-events:none}.cover-book::after{content:'';position:absolute;left:0;top:0;bottom:0;width:8px;background:linear-gradient(90deg,#778364,#b4bc98);z-index:4}.cover-spine{position:absolute;z-index:5;left:1px;top:100px;writing-mode:vertical-rl;transform:rotate(180deg);font-size:.375rem;letter-spacing:.2em;color:#fff8e7}.hero-copy{padding:34px 28px 88px;position:static}.hero .eyebrow{font-size:.625rem;max-width:280px;letter-spacing:.1em;margin-bottom:22px;color:#66694f}.hero h1{font-size:clamp(2.4rem,10.2vw,3.1rem);line-height:1.06;letter-spacing:-.04em}.hero h1>span,.hero h1>em{display:block}.hero h1>em{color:#687a56;font-size:.87em;line-height:1.16;margin-top:11px}.hero-visual{position:relative;width:calc(100% + 56px);height:230px;margin:12px -28px 6px}.hero-image{width:100%;height:100%;mask-image:linear-gradient(180deg,transparent,black 14%,black 82%,transparent)}.hero-image img{width:100%;height:100%;object-fit:cover;object-position:67% 62%}.photo-caption{font-size:0;position:absolute;left:0;right:0;bottom:4px;text-align:center;transform:rotate(-3deg)}.photo-caption::after{content:'juntos, a vuestro ritmo';font:italic 1.0625rem/1.4 var(--serif);color:#63714e}.hero-description{margin-top:18px;font-size:1rem;line-height:1.7}.hero-actions{display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin-top:24px}.hero-actions>.button{font-size:.875rem;padding-inline:18px}.hero-actions>.text-link{font-size:.875rem;border:0}.hero-details{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:.75rem;color:#656e54;margin-top:18px;line-height:1.6}.hero-details>span+span::before{content:'·';margin-right:16px}.hero-note{font:italic 1rem/1.5 var(--serif);color:#65704f;margin-top:13px}.begin-story{position:absolute;bottom:26px;left:28px;z-index:5;display:flex;gap:18px;align-items:center;min-height:44px;font-size:.6875rem;letter-spacing:.1em;color:#65704f}.begin-story .icon{width:17px;height:17px;transform:rotate(90deg)}.cover-edition{display:none}
/* Opening pages: the illustration introduces the thought; the words stay in the foreground. */
.story-act{position:relative}.story-theatre{padding:24px 23px 0}.room-frame{position:relative;width:100%;aspect-ratio:3/2;overflow:hidden;border-radius:40px 40px 3px 3px;box-shadow:0 0 0 5px #e7e0cc,0 0 0 6px #bdbaa0}.room-frame img{position:absolute;width:100%;height:100%;object-fit:contain}.room-night{opacity:1}.room-dawn{display:none}.room-sill{position:absolute;inset:0;box-shadow:inset 0 0 12px #8e80582b}.room-caption{margin-top:19px;text-align:center;font:italic 1rem/1.45 var(--serif);color:#687653}.room-caption-dawn,.room-folio{display:none}.story-page{padding:36px 26px 42px}.night-time{display:block;font:3.5rem/1 var(--serif);color:#7c8b65;letter-spacing:-.065em;margin-bottom:14px}.night-time>span{padding:0 4px;font-size:.8em}.night-story h2{font-size:clamp(2rem,8.6vw,2.75rem);margin-bottom:25px}.night-story>.eyebrow{font-size:.625rem;letter-spacing:.09em;margin-bottom:15px}.recognition-list{margin-top:35px}.recognition-prompt{font-size:.875rem;color:#657451;margin-bottom:8px}.recognition-list article{position:relative;display:flex;gap:14px;padding:24px 0;border-bottom:1px solid #d1d2bd}.list-number{color:#8b9a73;margin-top:4px}.list-number>.icon{width:21px;height:21px;stroke-width:1.25}.recognition-list h3{font-size:1.5rem;margin-bottom:10px;line-height:1.24}.recognition-list article p{font-size:.9375rem;line-height:1.7}.recognition-close{font:1.875rem/1.28 var(--serif);color:var(--ink);margin-top:31px;letter-spacing:-.03em}.recognition-close em{color:#936346}.letter-margin{width:calc(100% + 52px);margin:-6px -26px 40px;position:relative}.letter-margin img{width:100%}.letter-margin>span{display:block;text-align:center;transform:rotate(-3deg);font:italic 1.25rem/1.5 var(--serif);color:#65754f;margin-top:8px}.letter-sheet h2{margin-bottom:30px}.letter-sheet h2 br{display:none}.letter-text>p:first-child{font:1.1875rem/1.65 var(--serif);color:#4d6148}.letter-text>p:first-child::first-letter{float:left;font:3.25rem/.9 var(--serif);padding:7px 7px 0 0;color:#84956f}.letter-key{display:block;position:relative;font:2rem/1.15 var(--serif);color:var(--ink);margin:33px 0 22px;padding:0 0 16px;letter-spacing:-.025em}.letter-key::after{content:'';position:absolute;left:0;bottom:0;width:145px;height:3px;border-radius:50%;background:#a1b28b;transform:rotate(-2deg)}.letter-signoff{font:italic 1.125rem/1.5 var(--serif);color:#64744f;margin-top:28px}.letter-signoff span{margin-left:10px}.letter-sheet>.text-link{margin-top:20px}
/* The observation lesson is a usable page: clear controls, diagram, large labels, explanation. */
.understand-grid{display:block}.book-seam,.spread-folio{display:none}.observation-vignette{margin:18px -12px 4px}.observation-vignette img{width:100%;max-height:230px;object-fit:contain}.understand .section-copy>.text-link{margin-top:12px}.lesson-board{margin-top:36px;padding:26px 0 0;border-top:1px solid #bfc5ac}.board-top{display:flex;gap:8px;align-items:center;font-size:.6875rem;line-height:1.6;letter-spacing:.06em;color:#657152}.board-top>span:last-child{margin-left:auto;white-space:nowrap}.board-dot{width:5px;height:5px;background:#8b9d6f;border-radius:50%;flex:none}.board-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:24px 0 4px}.sample-step{display:flex;flex-direction:column;gap:7px;align-items:center;padding:10px 2px;background:none;min-height:70px;border-bottom:2px solid #ccd3bc;font-size:.875rem;line-height:1.4;color:#657654}.sample-step>span{width:22px;height:22px;border:1px solid #91a179;border-radius:50%;display:grid;place-items:center;font:italic .875rem var(--serif)}.sample-step.active{border-color:#506b40;color:var(--ink);font-weight:500}.sample-step.active>span{color:var(--paper);background:var(--ink);border-color:var(--ink)}.board-drawing{padding-bottom:6px;position:relative}.observation-drawing{width:100%;height:auto;overflow:visible;max-height:210px}.pencil-path{stroke:#718b5b;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}.pencil-path.accent{stroke:#a56948}.sketch-paper{fill:#ece5d1;stroke:#b1aa8e;stroke-width:1}.sketch-wash{fill:#e0e8d1}.sketch-wash.rose{fill:#eed6c5}.draw-question{font:55px var(--serif);fill:var(--ink)}.draw-label{display:none}.drawing-label{display:block;text-align:center;font:italic 1rem/1.5 var(--serif);color:#63734d;margin-top:0}.sample-key{display:flex;gap:10px;justify-content:space-between;list-style:none;padding:16px 0 20px;margin:0;color:#4c6440;font:1rem/1.5 var(--serif);text-align:center}.sample-key li{flex:1;min-width:0}.board-content{border-top:1px solid #c4ccb2;padding-top:25px}.board-caption{font-size:.6875rem;line-height:1.6;letter-spacing:.08em;color:#647052;margin-bottom:14px}.board-content h3{font-size:1.75rem;line-height:1.2;margin-bottom:19px}.sample-footnote{font-size:.875rem;line-height:1.7;color:#697654;margin-top:21px}
/* Five leaves. The answer comes first; the art supports it without taking the whole screen. */
.stages{padding-inline:21px}.section-heading{padding-inline:5px;margin-bottom:32px}.section-heading.centered{text-align:left}.section-heading>p:last-child{font-size:1rem}.age-tabs{display:flex;align-items:end;gap:2px;position:relative;overflow-x:auto;scrollbar-width:thin;padding:8px 3px 0}.age-tabs button{min-width:54px;flex:1;background:#e4e5d5;color:#647450;min-height:82px;padding:12px 3px 17px;border-radius:6px 10px 0 0;transform:translateY(5px);font:1.625rem/1.15 var(--serif);letter-spacing:-.04em}.age-tabs small{display:block;font:.8125rem/1.5 var(--sans);letter-spacing:0;margin-top:8px}.age-tabs [aria-selected=true]{color:var(--ink);background:#eef0e2;transform:none;border:1px solid #bfc9ac;border-bottom:0}.age-panel{position:relative;background:linear-gradient(180deg,#edf0e1,var(--paper) 55%);border-top:1px solid #bac6a6;box-shadow:0 3px 0 #d5d9c5;border-radius:0 0 5px 5px}.age-copy{padding:29px 13px 25px}.page-bookmark{display:none}.age-copy>.eyebrow{font-size:.75rem;margin-bottom:13px;color:#596f44}.age-copy h3{font-size:2rem;line-height:1.2;margin-bottom:19px}.age-illustration{position:relative;margin:20px -10px 22px;text-align:center}.age-art{width:100%;height:210px;object-fit:contain;mix-blend-mode:multiply}.age-handnote{display:block;font:italic 1.0625rem/1.5 var(--serif);color:#61764c;margin-top:4px;transform:rotate(-3deg)}.age-scene,.orbit{display:none}.check-list{list-style:none;padding:0;margin:25px 0}.check-list li{position:relative;padding-left:24px;margin-top:16px;font-size:1rem;line-height:1.65}.check-list li::before{content:'';position:absolute;left:2px;top:12px;width:8px;height:1px;background:#8a9c70}.age-note{font-size:.875rem;line-height:1.7;padding:21px 0 0 16px;border-left:2px solid #a4b58c;margin-top:28px;color:#59694d}.age-note::before{content:'Ten presente';display:block;font:italic 1.0625rem/1.4 var(--serif);color:#5b7047;margin-bottom:9px}.note-label{display:none}.reader-trace{display:flex;gap:13px;align-items:center;flex-wrap:wrap;padding:0 28px 35px;color:#687653}.reader-trace>.icon{width:28px;height:28px;stroke-width:1.2}.reader-trace>span{font-size:.75rem;line-height:1.6}.reader-trace em{display:block;font:italic 1rem/1.6 var(--serif)}.reader-trace strong{font-weight:400}.reader-trace>.text-link{margin-left:41px}
/* The same open page, at three real reading sizes. No miniature device UI. */
.experience-grid>.section-copy{margin-bottom:28px}.format-scene{margin-top:12px;position:relative}.showroom-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid #aab99a;gap:7px;margin-bottom:27px;scroll-margin-top:20px}.showroom-tabs button{font-size:.9375rem;min-height:50px;padding:12px 3px;background:none;border-bottom:3px solid transparent;line-height:1.4;color:#5d704d}.showroom-tabs [aria-selected=true]{border-color:#506e3d;color:var(--ink);font-weight:500}.format-page-intro{margin-bottom:30px}.format-page-intro h3{font-size:1.625rem;margin-bottom:15px;line-height:1.25}.format-page-intro p{font-size:1rem}.device-bar{display:flex;flex-direction:column;gap:4px;border-top:1px solid #c3cbb2;padding:19px 0 15px}.device-brand{font:italic 1.0625rem/1.4 var(--serif);color:#63764e}.device-bar>span:last-child{font-size:.6875rem;letter-spacing:.08em;color:#697651}.device-index{display:flex;align-items:center;gap:12px;font-size:.875rem;line-height:1.5;margin-top:4px;color:#61754b}.device-index>span:first-child{font:italic 2.25rem var(--serif);color:#82976a}.device-age{margin-left:auto;font:italic .9375rem var(--serif);text-align:right;max-width:95px}.device-illustration{position:relative;height:170px;margin:12px 0}.device-illustration svg{width:100%;height:100%;stroke:#789761;stroke-width:1.8;stroke-linecap:round}.device-illustration circle{fill:#e3ead6;stroke:#9aaf82}.device-illustration>span{position:absolute;font:italic 1rem var(--serif);color:#5d7648;bottom:1px}.device-illustration>span:nth-of-type(1){left:8%}.device-illustration>span:nth-of-type(2){left:43%}.device-illustration>span:nth-of-type(3){right:1%;bottom:67%}.device-page h3{font-size:1.875rem;margin:18px 0 20px}.device-page>p{font-size:1.0625rem}.device-bottom{display:flex;flex-wrap:wrap;gap:8px 24px;border-bottom:1px solid #c3cbb2;margin-top:25px;padding-bottom:19px;color:#667951;font-size:.875rem;line-height:1.6}.showroom-caption{font:italic 1.125rem/1.5 var(--serif);color:#687d51;text-align:center;margin-top:25px}.production-note{font-size:.875rem;line-height:1.75;color:#637153;margin-top:26px!important;padding-left:16px;border-left:2px solid #bcc7aa}.phone-speaker{display:none}.phone-kicker,.notebook-kicker{display:block;font-size:.6875rem;line-height:1.7;letter-spacing:.08em;color:#697850;margin-bottom:12px}.audio-walk-art{width:100%;max-height:235px;object-fit:contain;margin:8px 0 16px}.phone-title{font:2rem/1.2 var(--serif);letter-spacing:-.03em;color:var(--ink);text-align:center}.phone-wave{display:flex;align-items:center;justify-content:center;gap:4px;height:39px;margin-top:23px}.phone-wave i{height:12px;width:2px;background:#859d6a}.phone-wave i:nth-child(3n){height:27px}.phone-wave i:nth-child(4n){height:8px}.phone-wave i:nth-child(5n){height:20px}.phone-note{display:block;text-align:center;font-size:.875rem;line-height:1.6;color:#657b4c;margin-top:12px}.notebook-left{padding:24px 0 25px;border-top:1px solid #c3cbb2}.notebook-left h3{font-size:2rem;display:inline-block}.notebook-heart{width:48px;height:43px;stroke:#9b7d53;stroke-width:1.3;margin:0 0 0 auto;transform:rotate(-8deg)}.notebook-left>p{font:italic 1.125rem/1.6 var(--serif);color:#65774f;margin-top:18px}.notebook-right{border-top:1px solid #c3cbb2;padding-top:22px}.notebook-right ol{padding-left:25px;margin:21px 0 12px;font-size:1rem}.notebook-right li{padding:11px 0 15px 5px;border-bottom:1px solid #d3d8c2}.notebook-right>.text-link{margin-top:15px}
/* Principles are agreements on a page, followed by a real table of contents. */
.care-copy>h2{margin-bottom:30px}.principle{padding:25px 0 27px 18px;position:relative;border-left:1px solid #b7c5a4}.principle::before{content:'';position:absolute;left:-4px;top:34px;width:7px;height:7px;background:#9aae83;border-radius:50%}.principle h3{font-size:1.625rem;line-height:1.25;margin-bottom:16px}.principle p{font-size:1rem}.care-photo{width:210px;margin:32px auto 0}.care-caption{display:block;text-align:center;font:italic 1.125rem/1.4 var(--serif);color:#6c8055;margin-top:10px}.curriculum .section-copy>.text-link{margin-top:24px}.curriculum-note{display:flex;align-items:flex-start;gap:13px;margin-top:24px}.curriculum-note>.icon{color:#7e9464;margin-top:3px;width:20px;height:20px}.curriculum-note p{font:italic 1.125rem/1.6 var(--serif);color:#63774e}.module-list{margin-top:35px;border-top:1px solid #adbba0}summary{list-style:none;cursor:pointer}summary::-webkit-details-marker{display:none}.module-list details{border-bottom:1px solid #b9c4a9}.module-list summary{display:flex;align-items:center;gap:15px;padding:24px 0;min-height:104px}.module-number{font:italic 1rem/1.3 var(--serif);letter-spacing:-.025em;color:#627a4b;white-space:nowrap;flex:none;width:65px}.module-number>small{display:block;font:.5rem/1.7 var(--sans);letter-spacing:.06em;color:#61734e;margin-bottom:5px}.module-list summary>span:nth-child(2){font:1.5rem/1.2 var(--serif);color:var(--ink);letter-spacing:-.02em}.module-list summary>span:nth-child(2)>small{display:block;font:.875rem/1.6 var(--sans);letter-spacing:0;color:#627151;margin-top:11px}.plus{position:relative;display:block;width:14px;height:14px;flex:none;margin-left:auto}.plus::before,.plus::after{content:'';position:absolute;left:0;right:0;top:6px;height:1px;background:#647e4d}.plus::after{transform:rotate(90deg);transition:transform .2s}details[open]>summary .plus::after{transform:none}.module-content{padding:4px 0 28px 0}.module-content ol{margin:0;padding-left:28px;font-size:1rem;line-height:1.7;color:#53654a}.module-content li{padding:9px 0 9px 6px;border-bottom:1px solid #e0e2d2}.module-content li::marker{font:italic 1rem var(--serif);color:#728c58}.module-extra{font-size:.9375rem;line-height:1.75;margin-top:23px}
/* One page to write on. The completed preview is optional, never repeated below the form. */
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/* The decision belongs on the last page; it is not a separate ecommerce pricing card. */
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/* Useful pages can be opened without losing the reading position. */
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@media(max-width:999px){.site-header{height:auto;min-height:76px}.header-inner{min-height:76px;flex-wrap:wrap}.wordmark>span{font-size:clamp(20px,5.8vw,28px)}.wordmark small{font-size:8px}.index-trigger{margin-block:4px}.age-tabs button{min-width:max(49px,3.5rem)}.mobile-purchase .button{white-space:normal;max-width:62%;text-align:center}.sample-step{overflow-wrap:anywhere}}
h1,h2,h3{overflow-wrap:anywhere}
.device-illustration>span:nth-of-type(3){bottom:50%}.module-number>small{display:none}
/* Small reading cues carry real information; keep their ink as clear as the body. */
.board-top,.board-caption,.sample-footnote,.reader-trace,.device-index,.device-age,.device-bottom,.device-bar>span:last-child,.phone-kicker,.phone-note,.notebook-kicker,.production-note,.showroom-caption,.module-number,.module-list summary>span:nth-child(2)>small,.agreement-date,.agreement-signoff,.offer-tag,.subscription-note,.offer-status,.offer-doubt-links,.faq-group>h3,.closing-inner>p:last-child,.small-note,.index-number{color:#536744}
.age-tabs button,.age-tabs small,.age-copy>.eyebrow,.age-handnote{color:#4f633f}.module-content li::marker{color:#536744}.team-form textarea::placeholder,.worksheet-fields textarea::placeholder{color:#62714f}.footer-bottom{color:#52633f}
@media(max-width:999px){.section-space{padding-top:36px;padding-bottom:48px}.section-space::before{margin-bottom:24px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.cover-book,.age-copy,.age-art{transform:none!important}}

/* V8. The next step is always within reach; the offer has its own paper and binding. */
:root{scroll-padding-bottom:96px}
#oferta{scroll-margin-top:22px}
.learning-map{margin-top:48px;padding-top:32px;border-top:1px solid #b9c4a5}
.learning-heading h3{font-size:1.9375rem;line-height:1.22;margin-bottom:18px}
.learning-heading h3 em{color:#637b4c}
.learning-heading>p:last-child{font-size:1rem;line-height:1.7;margin-bottom:25px}
.learning-note{border-top:1px solid #c5cdb6}
.learning-note:last-child{border-bottom:1px solid #c5cdb6}
.learning-note summary{display:flex;gap:12px;align-items:center;min-height:76px;list-style:none;padding:19px 0;color:var(--ink);font:1.3125rem/1.4 var(--serif);cursor:pointer}
.learning-note summary::-webkit-details-marker{display:none}
.learning-note summary>span:nth-child(2){flex:1;min-width:0}
.learning-number{font:italic .8125rem/1.5 var(--serif);color:#627a4b;flex:none}
.learning-toggle{font:1.375rem/1 var(--sans);flex:none;color:#627a4b;transition:transform .2s}
.learning-note[open] .learning-toggle{transform:rotate(45deg)}
.learning-note>div{padding:1px 0 25px 28px}
.learning-label{display:block;font-size:.625rem;letter-spacing:.1em;color:#536744;margin-bottom:10px}
.learning-note>div p{font-size:1rem;line-height:1.75}
.offer{position:relative;background:#e0e7d2;border-block:1px solid #b7c4a1;isolation:isolate}
.offer::before{width:120px;background:#83986b}
.offer-eyebrow{color:#435e36;font-weight:600;letter-spacing:.09em}
.offer-copy>p:not(.eyebrow){color:#465c3f}
.offer-card{position:relative;margin-top:34px;background:#fffaf0;border:1px solid #adbd97;border-radius:3px 14px 14px 3px;box-shadow:0 4px 0 #c1cbae,0 8px 0 #d4dcc3,0 15px 30px #4b5e3610;padding:27px 22px 30px;outline-offset:6px;overflow:clip}
.offer-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:5px;background:linear-gradient(90deg,#819266,#b6c59b);pointer-events:none}
.offer-card::after{content:'';position:absolute;right:0;top:0;width:29px;height:29px;background:linear-gradient(225deg,#e0e7d2 48%,#b8c6a1 50%,#e8eddc 54%);border-radius:0 12px 0 5px;pointer-events:none}
.offer-card .offer-tag{margin-bottom:14px;padding-right:10px;color:#526c40}
.offer-card h3{font-size:2.25rem;line-height:1.14}
.offer-card .price{margin-top:24px}
.offer-card .subscription-note{margin-top:10px}
.offer-button{margin-top:22px;min-height:54px;font-size:1rem}
.offer-status{margin-top:15px;font-size:.8125rem;line-height:1.65;color:#52683f}
.offer-included-title{font:1.3125rem/1.4 var(--serif);color:var(--ink);margin-bottom:25px}
.offer-included-title em{color:#637b4c}
.offer-card .check-list{margin-bottom:20px}
.offer-card .check-list li{font-size:.9375rem}
@media(max-width:999px){
 .mobile-purchase{gap:12px;padding:10px 16px max(12px,env(safe-area-inset-bottom));background:#304638;border-top:1px solid #7d906c;box-shadow:0 -5px 22px #293e2d1a}
 .mobile-purchase .dock-index{color:#fff9e9;min-width:0;gap:8px;font-size:.875rem;min-height:48px}
 .dock-index small{display:none}
 .mobile-purchase .button{background:#fff9e9;color:#304638;font-size:.875rem;font-weight:600;line-height:1.5;padding:12px;min-height:48px;gap:9px;max-width:72%;border:1px solid #d9e2ca;border-radius:4px 12px 12px 4px;box-shadow:0 2px 0 #a9ba92}
 .mobile-purchase .button:hover{background:#e5edd9}
 .mobile-purchase :focus-visible{outline-color:#f1cc9a}
 .offer{padding-bottom:55px}
}
@media(max-width:359px){.mobile-purchase{padding-inline:12px}.mobile-purchase .button{font-size:.875rem;gap:7px}.offer-card{padding-inline:19px}.offer-card h3{font-size:2rem}.learning-note summary{font-size:1.25rem;gap:10px}.learning-note>div{padding-left:25px}}
@media(min-width:600px){.offer-card{padding:35px}.offer-card h3{font-size:2.5rem}.learning-heading h3{font-size:2.375rem}}
@media(min-width:1000px){
 .learning-map{display:grid;grid-template-columns:45% 55%;margin-top:70px;padding-top:45px}
 .learning-heading{padding-right:55px}.learning-heading h3{font-size:2.625rem}.learning-heading>p:last-child{max-width:370px}
 .learning-notes{padding-left:50px;border-left:1px solid #d7dcc9}.learning-note:first-child{border-top:0}.learning-note:first-child summary{padding-top:0}
 .offer-grid{grid-template-columns:48% 52%;align-items:start}.offer-copy{padding:12px 60px 0 0}.offer-card{margin:0;padding:37px 35px 37px 39px;border:1px solid #adbd97}.offer-card h3{font-size:2.625rem}
}

/* V9. Useful teaching is visible on the page, with an observation and an alternative. */
.mistake-page{display:flex;align-items:flex-start;gap:14px;padding:29px 0;border-top:1px solid #bac6a8}
.mistake-page:last-child{border-bottom:1px solid #bac6a8}
.mistake-number{font:italic 1.25rem/1.3 var(--serif);color:#647e4c;flex:none;padding-top:2px}
.mistake-page>div{min-width:0}
.mistake-page .eyebrow{font-size:.625rem;line-height:1.7;margin-bottom:12px;color:#536b43;letter-spacing:.065em}
.mistake-page h3{font-size:1.5rem;line-height:1.3;margin-bottom:17px}
.mistake-page p{font-size:1rem;line-height:1.75}
.mistake-page .mistake-action{margin-top:20px;padding:14px 0 14px 16px;border-left:2px solid #8dA273;background:linear-gradient(90deg,#e7eddbb0,transparent)}
.mistake-action strong{display:block;color:#3d5b31;font-size:.8125rem;font-weight:600;line-height:1.6;margin-bottom:8px}
.mistake-page .mistake-course{font:italic 1.0625rem/1.6 var(--serif);color:#506d3e;margin-top:19px}
@media(min-width:1000px){.mistake-pages{padding-left:50px;border-left:1px solid #d7dcc9}.mistake-page:first-child{border-top:0;padding-top:0}.mistake-page{gap:20px}.mistake-page h3{font-size:1.75rem}}