:root{--paper:#fffaf2;--ink:#263650;--blue:#2659a7;--muted:#52647a;--line:#dce5e6;--success:#247150;--focus:#f6b849;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:20px/1.6 'Trebuchet MS',Verdana,sans-serif}button,a{touch-action:manipulation}button{font:inherit;cursor:pointer}a{color:var(--blue)}:focus-visible{outline:4px solid var(--focus);outline-offset:3px}.skip-link{position:absolute;top:-80px;left:10px;padding:10px;background:white;z-index:20}.skip-link:focus{top:10px}.site-header{background:white;border-bottom:2px solid var(--line)}.header-inner{max-width:1100px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:15px 22px}.site-brand{color:var(--blue);font-weight:900;font-size:22px;text-decoration:none;line-height:1.15}.site-brand small{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-top:6px}nav{display:flex;gap:18px;font-weight:800}nav a{text-decoration:none}main{max-width:1100px;margin:auto;min-height:68vh;padding:34px 22px 70px}.eyebrow{font-size:15px;letter-spacing:.08em;text-transform:uppercase;color:var(--success);font-weight:900}h1{font-size:clamp(36px,5vw,59px);line-height:1.15;letter-spacing:-.025em;margin:10px 0 18px}h2{font-size:32px;line-height:1.2}h3{font-size:25px;line-height:1.2}.lead{font-size:23px;max-width:720px}.muted{color:var(--muted)}.hero{display:grid;grid-template-columns:1.3fr .9fr;gap:24px;align-items:center;margin:20px 0 44px}.hero-art{border:2px solid #cee7f8;border-radius:27px;background:#ebf5ff;padding:25px;text-align:center;min-height:260px;display:grid;place-items:center}.hero-art svg{width:100%;height:auto}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.card{background:white;border:2px solid var(--line);border-radius:23px;padding:22px;display:flex;flex-direction:column;gap:10px;box-shadow:0 7px 24px #2636500a}.card h3,.card p{margin:0}.card .button{margin-top:auto}.cover{display:grid;place-items:center;height:142px;border-radius:18px;background:#e9f4ff;font-size:74px}.cover.b2{background:#fff0d0}.cover.b3{background:#ebf4f0}.caption{color:var(--muted);font-size:16px;font-weight:800}.button{display:inline-block;text-align:center;text-decoration:none;color:var(--blue);border:2px solid var(--blue);border-radius:17px;background:white;font-size:18px;min-height:50px;padding:11px 17px;font-weight:900}.button.primary{background:var(--blue);color:white}.button[disabled]{opacity:.48;cursor:not-allowed}.book-intro{margin:20px 0 28px}.day-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.day-card{background:white;border:2px solid var(--line);border-radius:18px;padding:14px 10px;text-align:center;min-height:120px;text-decoration:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;color:var(--ink)}.day-card strong{font-size:24px}.day-card span{font-size:15px;line-height:1.3}.day-card.available{background:#edfaf3;border-color:#8fcbb1}.day-card.locked{color:#88919c;background:#f8f7f3}.lesson-bar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:19px}.lesson-bar div{display:flex;flex-wrap:wrap;gap:10px}.lesson-shell{border-radius:24px;border:2px solid var(--line);background:white;overflow:hidden}.lesson-shell iframe{display:block;width:100%;height:1000px;border:0;background:var(--paper)}.lesson-label{padding:15px 20px;background:#f2f8fe;font-size:16px;color:var(--muted);border-bottom:1px solid var(--line)}.load{padding:40px;text-align:center}.site-footer{border-top:2px solid var(--line);background:white;text-align:center;padding:25px;color:var(--muted);font-size:16px}@media(max-width:850px){.cards{grid-template-columns:1fr 1fr}.day-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:620px){body{font-size:18px}.hero{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.day-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.header-inner{align-items:flex-start}main{padding:23px 15px 45px}}

/* Original-visual-style landing preview: additive styles only */
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 12px}.hero-actions .button{margin:0}.author-note{color:var(--muted);font-size:16px}.home-intro{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:8px 0 54px}.home-intro div{border:2px solid var(--line);border-radius:17px;background:white;padding:17px;display:flex;flex-direction:column}.home-intro strong{font-size:25px;line-height:1.2;color:var(--blue)}.home-intro span{color:var(--muted);font-size:14px;margin-top:5px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin:0 0 20px}.section-heading h2{margin:5px 0 0}.section-heading p{max-width:340px;font-size:17px;margin:0;color:var(--muted)}.book-section{scroll-margin-top:30px}.cards .card:nth-child(4) .cover{background:#e9e5fa}.cards .card:nth-child(5) .cover{background:#ffebe4}.cards .card{transition:transform .15s ease,box-shadow .15s ease}.cards .card:hover{transform:translateY(-3px);box-shadow:0 12px 28px #2636501e}.learning-section{margin:65px 0 44px;padding:27px;background:#eff7ff;border:2px solid #d7e7f4;border-radius:25px;scroll-margin-top:20px}.learning-section h2{margin:5px 0 8px}.learning-section>p{font-size:17px;color:var(--muted);margin:0 0 22px}.learning-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.learning-step{position:relative;display:flex;flex-direction:column;gap:5px;background:#fff;border:1px solid #dce5e6;border-radius:17px;padding:18px 16px}.step-number{position:absolute;right:14px;top:12px;font-size:13px;font-weight:900;color:var(--blue);background:#eaf3ff;border-radius:30px;padding:2px 9px}.step-symbol{font-size:28px}.learning-step strong{font-size:18px}.learning-step small{color:var(--muted);font-size:14px;line-height:1.4}.home-outro{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff0d0;border-radius:22px;padding:25px}.home-outro h2{margin:0 0 5px;font-size:26px}.home-outro p{margin:0;font-size:17px}@media(max-width:850px){.home-intro{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.home-intro{grid-template-columns:repeat(2,1fr)}.section-heading{align-items:start;flex-direction:column}.learning-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.home-outro{align-items:start;flex-direction:column}.learning-section{padding:18px}.hero-actions .button{width:100%}}@media(max-width:390px){.learning-steps{grid-template-columns:1fr}}

/* Refined homepage: preserves original colors, robot illustration and typography. */
.new-hero{margin-bottom:30px}.new-hero p:not(.lead){max-width:580px}.new-hero .lead{font-size:clamp(20px,2.25vw,25px);line-height:1.4}.book-section{margin-top:24px}.book-section .section-heading{margin-bottom:30px}.age-group{margin:0 0 36px;scroll-margin-top:24px}.age-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:14px;border-bottom:2px solid var(--line);padding-bottom:11px}.age-heading h3{margin:0 0 3px;font-size:24px}.age-heading p{margin:0;font-size:16px;color:var(--muted)}.group-count{border-radius:999px;background:#eaf4ff;color:var(--blue);font-size:14px;font-weight:900;padding:5px 12px;white-space:nowrap}.age-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.feature-card{display:flex;align-items:stretch;gap:18px;padding:16px;background:#fff;border:2px solid var(--line);border-radius:22px;box-shadow:0 7px 24px #2636500a}.feature-card .feature-cover{width:108px;min-width:108px;min-height:142px;height:auto;font-size:59px}.feature-info{display:flex;flex-direction:column;align-items:flex-start;gap:7px;flex:1;min-width:0}.feature-info h3{font-size:20px;line-height:1.24;margin:0}.feature-info p{font-size:15px;color:var(--muted);margin:0 0 8px}.feature-info .caption{font-size:13px}.feature-info .button{margin-top:auto;min-height:42px;padding:7px 12px;font-size:15px;border-radius:12px}.try-section{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;background:#eef6fd;border:2px solid #cee7f8;border-radius:26px;padding:28px;margin:58px 0 48px;scroll-margin-top:22px}.try-copy h2{margin:10px 0 12px}.try-copy p{font-size:18px}.try-panel{background:white;border:2px solid #dce5e6;border-radius:22px;padding:21px;text-align:center}.try-title{display:flex;justify-content:space-between;align-items:baseline;gap:10px;text-align:left;margin-bottom:16px}.ten-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-bottom:19px}.ten-cell{min-width:0;aspect-ratio:1.18;display:grid;place-items:center;border:2px solid #8ab0d6;border-radius:10px;background:#e4f1ff}.ten-cell span{display:block;width:45%;aspect-ratio:1;border-radius:100%;background:#477fc4}.ten-cell.gold{border-color:#e9c68b;background:#fff2d9}.ten-cell.gold span{background:#e8a63a}.slider-label{display:block;text-align:left;font-size:14px;font-weight:800;color:var(--muted)}.ten-slider{width:100%;accent-color:var(--blue);height:34px;cursor:pointer}.ten-equation{background:#f5f8fc;border-radius:14px;padding:12px;color:var(--blue);font-size:clamp(25px,4vw,39px);font-weight:900}.try-hint{font-size:15px;color:var(--muted);margin:8px 0 0}.learning-section{scroll-margin-top:20px}.home-outro{margin-top:40px}
@media(max-width:880px){.age-cards{grid-template-columns:1fr}.try-section{grid-template-columns:1fr}.feature-card .feature-cover{min-height:112px}}
@media(max-width:620px){.new-hero{margin-top:0}.feature-card{gap:12px;padding:12px}.feature-card .feature-cover{width:78px;min-width:78px;min-height:115px;font-size:43px}.feature-info h3{font-size:18px}.age-heading h3{font-size:21px}.age-heading p{font-size:14px}.try-section{padding:18px}.try-panel{padding:13px}.ten-grid{gap:5px}.feature-info .button{font-size:14px}.hero-art{min-height:0}}

/* Focused landing page (other book and lesson layouts remain unchanged). */
.minimal-home{max-width:1000px;margin:auto}.minimal-welcome{text-align:center;padding:62px 20px 69px}.welcome-kicker{font-size:12px;letter-spacing:.14em;font-weight:800;color:#42735f}.minimal-welcome h1{font-size:clamp(43px,5.4vw,70px);line-height:1.1;margin:23px 0 21px;font-weight:900;letter-spacing:-.045em}.minimal-welcome h1 em{font-style:normal;color:#3471b5}.minimal-welcome>p{font-size:19px;max-width:580px;line-height:1.65;color:var(--muted);margin:0 auto 20px}.welcome-author{font-size:14px;color:var(--muted)}.minimal-library{padding:0 6px}.minimal-section-header{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px}.minimal-section-header h2{font-size:32px;letter-spacing:-.02em;margin:0 0 7px}.minimal-section-header p{font-size:16px;color:var(--muted);margin:0}.minimal-total{white-space:nowrap;font-size:13px;font-weight:800;color:#47617c}.minimal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.minimal-book{display:flex;align-items:stretch;gap:20px;padding:18px;background:#fff;border:1px solid #e4e6e7;border-radius:17px;min-height:190px;box-shadow:0 3px 14px #26365008;transition:box-shadow .18s,border-color .18s}.minimal-book:hover{border-color:#bacfe0;box-shadow:0 9px 25px #26365013}.minimal-book:last-child{grid-column:1 / -1;max-width:490px}.minimal-art{display:grid;place-items:center;flex:0 0 132px;border-radius:11px;background:#eff5fc}.minimal-art svg{width:100%;height:auto;display:block}.book-tone-2 .minimal-art{background:#fff5e3}.book-tone-3 .minimal-art{background:#edf7f1}.book-tone-4 .minimal-art{background:#f2edfa}.book-tone-5 .minimal-art{background:#fdf0e8}.minimal-info{display:flex;flex-direction:column;align-items:flex-start;min-width:0}.minimal-meta{font-size:11px;color:#5b7287;letter-spacing:.07em;font-weight:900}.minimal-info h3{font-size:20px;line-height:1.25;margin:9px 0 7px;letter-spacing:-.01em}.minimal-info p{font-size:14px;line-height:1.5;color:var(--muted);margin:0 0 16px}.minimal-link{font-size:15px;color:var(--blue);font-weight:900;text-decoration:none;margin-top:auto}.minimal-link:hover{text-decoration:underline}.minimal-help{color:var(--muted);font-size:14px;margin:23px 0 0}.minimal-end{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap;margin:75px auto 10px;padding:25px 0;border-top:1px solid #e1e7e8;font-size:14px;font-weight:700;color:#657990}.site-brand small{font-size:11px}.site-footer{font-size:13px;padding:19px}@media(max-width:750px){.minimal-grid{grid-template-columns:1fr}.minimal-book:last-child{grid-column:auto;max-width:none}.minimal-welcome{padding:40px 10px 52px}.minimal-section-header{align-items:start;flex-direction:column;gap:8px}}@media(max-width:470px){.minimal-art{flex-basis:96px}.minimal-book{padding:12px;gap:13px;min-height:162px}.minimal-info h3{font-size:18px}.minimal-info p{font-size:13px}.minimal-section-header h2{font-size:27px}.minimal-welcome>p{font-size:16px}.minimal-end{gap:8px;margin-top:45px}.site-brand{font-size:17px}}

/* Saved daily learning progress, matching the original cream-and-blue visual language. */
.progress-home{max-width:1000px;margin:0 auto 48px;padding:23px;border:1px solid #d8e4e9;border-radius:18px;background:white}.progress-heading h2{font-size:26px;margin:0}.progress-heading p{font-size:15px;color:var(--muted);margin:4px 0 17px}.progress-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:13px}.progress-card{border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;justify-content:space-between;align-items:start;flex-wrap:wrap;gap:15px;background:#fafcff}.progress-card h3{font-size:18px;margin:6px 0 11px}.progress-card .button{font-size:15px;min-height:42px;padding:7px 12px}.progress-track{width:100%;max-width:450px;height:10px;border-radius:100px;background:#e3eaf0;overflow:hidden;margin:10px 0}.progress-track span{display:block;height:100%;background:#3471b5;border-radius:100px}.progress-note{font-size:13px;color:var(--muted);margin:14px 0 0}.book-progress{max-width:460px;margin:19px 0;padding:18px;border:1px solid var(--line);border-radius:16px;background:white}.book-progress strong{font-size:16px}.book-progress .button{margin-top:7px}.day-card.day-completed{border-color:#5da784;background:#e8f6ed}.done-mark{font-size:18px;color:#257652}.completion-panel{margin:22px 0;padding:26px;border:2px solid #d8e6ec;border-radius:20px;background:white;display:flex;flex-direction:column;align-items:flex-start;gap:12px}.completion-panel h2{font-size:26px;margin:0}.completion-panel p{font-size:16px;color:var(--muted);margin:0}.completion-panel #complete-status{font-weight:700;color:#267052}.completion-panel a[hidden]{display:none}

/* Editorial homepage refinement — scoped to the landing page only. */
.minimal-home{max-width:1030px;margin:0 auto}
.minimal-welcome{padding:34px 20px 38px}
.minimal-welcome h1{font-size:clamp(43px,5vw,62px);margin:15px 0 15px;line-height:1.12;letter-spacing:-.042em}
.minimal-welcome>p{font-size:17px;line-height:1.55;max-width:560px;margin:0 auto}
.welcome-kicker{font-size:11px;letter-spacing:.14em}
.minimal-library{padding:0 3px}
.minimal-section-header{margin-bottom:21px;align-items:center}
.minimal-section-header h2{font-size:29px}
.minimal-section-header p{font-size:15px}
.minimal-grid{gap:17px 19px}
.minimal-book{min-height:181px;gap:18px;padding:17px;border:1px solid #e5e9e9;border-radius:15px;box-shadow:0 3px 11px #26365006}
.minimal-book:hover{box-shadow:0 9px 22px #2636500e;transform:translateY(-1px)}
.minimal-art{flex:0 0 125px;background:transparent!important;border-radius:6px;display:flex;align-items:center;justify-content:center}
.mini-book-cover{position:relative;width:111px;height:153px;display:flex;align-items:center;justify-content:center;border-radius:4px 9px 9px 4px;border:1px solid #0000000b;background:#eaf3fd;box-shadow:3px 5px 0 #29496b13,6px 8px 12px #29496b0a;overflow:hidden}
.mini-book-spine{position:absolute;left:0;top:0;bottom:0;width:8px;background:#fff6;box-shadow:inset -1px 0 0 #29496b18}
.mini-book-cover svg{width:100%;max-width:113px;height:auto;display:block;transform:scale(.95)}
.book-tone-2 .mini-book-cover{background:#fff1d9}.book-tone-3 .mini-book-cover{background:#eaf6ed}.book-tone-4 .mini-book-cover{background:#f0ebfa}.book-tone-5 .mini-book-cover{background:#fceee5}
.minimal-info h3{font-size:19px;margin:7px 0 7px;line-height:1.22}
.minimal-info p{font-size:14px;margin:0 0 12px}
.minimal-link{font-size:14px;font-weight:800}
.minimal-meta{font-size:10px;letter-spacing:.09em}
.minimal-help{margin:18px 0 24px;font-size:13px}
.minimal-home .progress-home{margin:0 3px 39px;max-width:none}
.refined-progress{padding:20px 22px;border:1px solid #dce7ec;border-radius:16px;background:#fff}
.refined-progress .progress-heading h2{font-size:23px;letter-spacing:-.02em}
.refined-progress .progress-heading p{font-size:13px;margin:3px 0 14px}
.resume-feature{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 17px;background:#f6fafc;border-radius:10px;border:1px solid #e2eaf0}
.resume-main{min-width:0;flex:1}.resume-main h3{font-size:17px;line-height:1.3;margin:4px 0 8px}
.resume-feature .progress-track{height:6px;margin:9px 0 0;max-width:400px}
.resume-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;background:#285ca9;color:#fff!important;padding:12px 16px;text-decoration:none;border-radius:9px;font-size:14px;font-weight:800}
.resume-primary:hover{background:#194e93}
.resume-others{margin:2px 0 0}
.resume-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 4px;color:var(--ink);text-decoration:none;border-bottom:1px solid #ecf0f2}
.resume-row strong{display:block;font-size:14px;line-height:1.4}.resume-row small{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.resume-row-link{font-size:13px;font-weight:800;color:#285ca9;white-space:nowrap}
.refined-progress .progress-note{font-size:12px;margin:12px 0 0}
.minimal-end{display:none}
.site-footer{border-top:1px solid #e5e9e9;background:#faf8f3;color:#667a8a;font-weight:500;font-size:12px;padding:18px}
@media(max-width:750px){.minimal-welcome{padding:27px 12px 37px}.minimal-section-header{align-items:start}.minimal-book:last-child{max-width:none}.minimal-grid{gap:13px}}
@media(max-width:470px){.minimal-welcome h1{font-size:clamp(36px,10vw,47px)}.minimal-welcome>p{font-size:15px}.minimal-book{padding:12px;gap:11px;min-height:155px}.minimal-art{flex-basis:91px}.mini-book-cover{width:89px;height:126px}.minimal-info h3{font-size:17px}.minimal-info p{font-size:13px}.refined-progress{padding:16px}.resume-feature{flex-direction:column;align-items:stretch;gap:12px}.resume-primary{align-self:flex-start}.resume-row{align-items:start}}

/* The public mission and voluntary-support launch pages. */
.site-header nav{align-items:center;gap:23px}.site-header nav a{font-size:14px;font-weight:700}.site-header nav .nav-support{border:1px solid #d7e4e9;padding:8px 13px;border-radius:8px;color:#254d7e;background:#f5f9fc}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:20px max(22px,calc((100vw - 1050px)/2));text-align:left}.site-footer a{text-decoration:none;color:#47617c}.welcome-promise{font-size:13px!important;color:#3f7865!important;font-weight:800;letter-spacing:.02em;margin-top:10px!important}.welcome-actions{display:flex;align-items:center;justify-content:center;gap:24px;margin:22px 0 0}.welcome-actions .button{min-height:44px;padding:8px 18px;border-radius:9px;font-size:14px}.quiet-link,.text-arrow{color:#275b95;text-decoration:none;font-size:14px;font-weight:800}.quiet-link:hover,.text-arrow:hover{text-decoration:underline}.home-mission{display:grid;grid-template-columns:1.5fr .7fr;gap:45px;align-items:center;padding:42px 48px;margin:60px 3px 0;border-radius:17px;background:#edf5f1}.home-mission h2{font-size:32px;line-height:1.16;letter-spacing:-.025em;margin:12px 0 19px}.home-mission p{font-size:16px;color:#445b63;line-height:1.7;max-width:620px;margin:0 0 13px}.home-mission .text-arrow{display:inline-block;margin-top:10px}.mission-visual{height:225px;position:relative}.visual-circle{border-radius:50%;display:grid;place-items:center;position:absolute;font-weight:900;font-family:Georgia,serif}.visual-circle.big{width:160px;height:160px;top:9px;left:38px;background:#c6e0d2;color:#397b67;font-size:106px}.visual-circle.small{width:75px;height:75px;bottom:0;right:0;background:#f9dfb3;color:#a86c39;font-size:45px}.visual-line{position:absolute;width:100px;height:5px;background:#7da995;transform:rotate(-30deg);top:168px;left:97px;border-radius:9px}.visual-dots{position:absolute;top:0;right:12px;letter-spacing:6px;font-size:12px;color:#759e8f;transform:rotate(30deg)}.home-support{margin:23px 3px 5px;border:1px solid #e1e8e7;border-radius:15px;padding:29px 35px;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:36px}.home-support h2{font-size:25px;margin:9px 0 8px;line-height:1.22}.home-support p{font-size:15px;line-height:1.6;color:var(--muted);margin:0;max-width:650px}.support-outline{font-size:14px;white-space:nowrap;border-radius:9px;min-height:44px;padding:8px 16px}.editorial-page{max-width:1020px;margin:0 auto}.back-link{font-size:14px;font-weight:700;text-decoration:none;color:#54708a}.editorial-hero{padding:70px 12px 65px;border-bottom:1px solid #e4e7e5;text-align:center}.editorial-hero h1,.support-hero h1{font-size:clamp(42px,5vw,66px);line-height:1.13;letter-spacing:-.04em;margin:17px 0 20px}.editorial-hero em,.support-hero em{font-style:normal;color:#3471b5}.editorial-lead{font-size:20px;line-height:1.65;color:#50667b;max-width:700px}.editorial-hero .editorial-lead{margin:0 auto}.editorial-columns{display:grid;grid-template-columns:1fr 1fr;gap:65px;padding:56px 22px}.editorial-columns h2,.editorial-bottom h2{font-size:29px;margin:0 0 15px}.editorial-columns p,.editorial-bottom p{font-size:17px;line-height:1.8;color:#526579;margin:0}.editorial-principle{background:#e9f4ed;border-radius:15px;text-align:center;padding:34px 55px}.editorial-principle span{color:#528c71;font-size:33px}.editorial-principle p{font:italic 26px/1.45 Georgia,serif;max-width:670px;margin:10px auto;color:#335b4b}.editorial-bottom{text-align:center;padding:63px 15px 20px}.editorial-bottom p{max-width:580px;margin:auto}.editorial-actions{display:flex;justify-content:center;align-items:center;gap:23px;margin-top:25px}.editorial-actions .button{border-radius:9px;font-size:15px;min-height:46px;padding:9px 17px}.support-hero{display:grid;grid-template-columns:1.4fr .7fr;align-items:center;gap:20px;padding:55px 16px 65px}.support-hero .editorial-lead{margin:0;max-width:620px}.support-assurance{color:#36745d;font-size:14px;font-weight:800;margin-top:22px}.support-assurance span{font-size:22px;vertical-align:middle}.support-art{max-width:350px}.support-art svg{width:100%;height:auto}.support-meaning{border-top:1px solid #e2e8e5;padding:44px 12px 51px}.support-meaning h2{text-align:center;font-size:30px;margin:0 0 30px}.support-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.support-benefits article{background:white;border:1px solid #e0e8e6;border-radius:14px;padding:25px 23px}.benefit-number{font-size:12px;color:#578778;font-weight:900;letter-spacing:.12em}.support-benefits h3{font-size:20px;line-height:1.28;margin:15px 0 11px}.support-benefits p{font-size:15px;line-height:1.65;color:#526579;margin:0}.support-contribute{display:grid;grid-template-columns:1.5fr .8fr;gap:30px;padding:42px;border-radius:18px;background:#ecf3fa;align-items:center}.support-contribute h2{font-size:34px;margin:12px 0 15px}.support-contribute p{font-size:16px;line-height:1.7;color:#4e6379}.support-note{background:#fff;border-left:3px solid #6c96c7;border-radius:5px;padding:14px 17px;font-size:14px!important}.support-example{padding:28px;background:white;border-radius:13px;text-align:center}.support-forever{font-family:Georgia,serif;font-size:70px;line-height:1.2;color:#285a91}.support-forever span{font-family:inherit;font-size:20px}.support-example p{font-size:14px}.support-example .button{font-size:14px;padding:9px 14px;min-height:45px;border-radius:9px}.support-thanks{text-align:center;padding:67px 20px 30px}.support-thanks>span{font-size:29px;color:#61947c}.support-thanks h2{font-size:30px;line-height:1.25;margin:10px 0}.support-thanks p{max-width:590px;font-size:16px;color:#526579;margin:0 auto 17px}.support-page h1{max-width:760px}@media(max-width:760px){.site-header nav{gap:12px;flex-wrap:wrap}.site-header nav a{font-size:13px}.home-mission{grid-template-columns:1fr;padding:27px;gap:12px}.mission-visual{height:160px;width:240px;justify-self:center;transform:scale(.8);transform-origin:center top}.home-support{align-items:flex-start;flex-direction:column;gap:19px}.editorial-columns{gap:30px}.support-hero{grid-template-columns:1fr;padding:35px 8px}.support-art{max-width:220px;justify-self:center}.support-benefits{grid-template-columns:1fr}.support-contribute{grid-template-columns:1fr}.site-footer{padding:19px}}@media(max-width:520px){.site-header nav{gap:9px}.header-inner{gap:13px}.site-header nav .nav-support{padding:6px 9px}.welcome-actions{flex-wrap:wrap;gap:15px}.home-mission h2{font-size:27px}.home-support{padding:23px}.home-support h2{font-size:23px}.editorial-hero{padding:46px 6px}.editorial-columns{grid-template-columns:1fr;padding:35px 5px}.editorial-principle{padding:26px 17px}.editorial-principle p{font-size:22px}.editorial-actions{flex-direction:column;gap:15px}.support-hero h1{font-size:39px}.support-meaning h2{font-size:25px}.support-contribute{padding:25px 19px}.support-thanks h2{font-size:26px}}


/* The public website is free: there are no fundraising forms or payment elements. */


/* Professional landing page refresh */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:saturate(150%) blur(10px)}
.header-inner{max-width:1120px}
main{max-width:1120px}
.button-soft{background:#eef4fb;color:var(--blue);border-color:#d4e1f2}
.pro-home{max-width:1040px;margin:0 auto}
.pro-section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin:0 0 22px}
.pro-section-head h2{font-size:clamp(30px,4vw,42px);line-height:1.15;letter-spacing:-.03em;margin:8px 0 0}
.pro-section-head p{margin:0;max-width:430px;font-size:16px;line-height:1.7;color:var(--muted)}
.pro-hero{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);gap:34px;align-items:center;padding:58px 0 42px}
.pro-kicker{display:inline-block;font-size:12px;letter-spacing:.16em;font-weight:900;color:#3b7861}
.pro-copy h1{font-size:clamp(50px,7vw,84px);line-height:1.02;letter-spacing:-.055em;margin:16px 0 18px}
.pro-copy h1 em{font-style:normal;color:#3471b5}
.pro-lead{font-size:22px;line-height:1.55;color:#364b61;max-width:650px;margin:0 0 14px}
.pro-sublead{font-size:17px;line-height:1.7;color:var(--muted);max-width:620px;margin:0}
.pro-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 20px}
.pro-actions .button{min-height:48px;padding:10px 18px;border-radius:12px;font-size:16px}
.pro-trust{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.pro-trust li{padding:9px 13px;border-radius:999px;background:white;border:1px solid #dde6ea;color:#4a6177;font-size:14px;font-weight:800}
.pro-visual{min-width:0}
.hero-stage{border:1px solid #dce7ea;border-radius:28px;background:linear-gradient(180deg,#ffffff 0%,#f7fbfe 100%);padding:22px;box-shadow:0 20px 60px rgba(38,54,80,.08)}
.hero-topline{font-size:12px;letter-spacing:.14em;color:#5a7388;font-weight:900;margin-bottom:14px}
.hero-book-stack{display:grid;gap:14px;margin-bottom:16px}
.hero-book-tile{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:center;padding:12px;border-radius:18px;border:1px solid #e1e8ee;background:#fff}
.hero-book-tile .mini-book-cover{height:96px;border-radius:14px}
.hero-book-tile strong{display:block;font-size:17px;line-height:1.25;margin-bottom:4px}
.hero-book-tile span{display:block;font-size:14px;line-height:1.5;color:var(--muted)}
.hero-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.metric-card{background:#f9fcff;border:1px solid #e3ebf0;border-radius:16px;padding:15px 14px;min-height:98px}
.metric-card strong{display:block;font-size:18px;line-height:1.25;margin-bottom:5px}
.metric-card span{display:block;font-size:14px;line-height:1.45;color:var(--muted)}
.highlight-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.highlight-card{background:#fff;border:1px solid #e0e7eb;border-radius:20px;padding:22px;box-shadow:0 6px 22px rgba(38,54,80,.05)}
.highlight-index{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:999px;background:#edf4fb;color:#2b5fa8;font-size:13px;font-weight:900;margin-bottom:14px}
.highlight-card h3{font-size:22px;line-height:1.25;margin:0 0 10px}
.highlight-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.7}
.pro-highlights,.pro-library,.pro-steps,.pro-purpose{margin-top:52px}
.pro-book-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.pro-book-card{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:18px;background:#fff;border:1px solid #e1e7eb;border-radius:22px;box-shadow:0 8px 26px rgba(38,54,80,.05);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.pro-book-card:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(38,54,80,.08);border-color:#cfdbe4}
.pro-book-card:last-child{grid-column:1/-1;max-width:520px}
.pro-book-media{display:flex;align-items:stretch}
.mini-book-cover{position:relative;display:grid;place-items:center;width:100%;height:150px;border-radius:18px;background:#eef4fb;overflow:hidden}
.mini-book-cover svg{width:100%;height:100%;display:block}
.mini-book-spine{position:absolute;left:10px;top:0;bottom:0;width:4px;border-radius:20px;background:rgba(38,54,80,.08)}
.book-tone-2 .mini-book-cover{background:#fff3dd}.book-tone-3 .mini-book-cover{background:#ebf4ef}.book-tone-4 .mini-book-cover{background:#f1edfa}.book-tone-5 .mini-book-cover{background:#fcefe7}
.pro-book-meta{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#5b7287;font-weight:900}
.pro-book-body{display:flex;flex-direction:column;align-items:flex-start}
.pro-book-body h3{font-size:25px;line-height:1.18;letter-spacing:-.02em;margin:10px 0 10px}
.pro-book-body p{margin:0 0 18px;font-size:16px;line-height:1.65;color:var(--muted)}
.pro-library-note{margin:18px 0 0;color:var(--muted);font-size:15px}
.steps-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.step-card{position:relative;background:#fff;border:1px solid #e1e8ec;border-radius:20px;padding:22px 22px 24px}
.step-count{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:999px;background:#edf4fb;color:#2b5fa8;font-size:13px;font-weight:900;margin-bottom:16px}
.step-card h3{font-size:22px;margin:0 0 10px}
.step-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.7}
.pro-purpose .purpose-panel{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(220px,.6fr);gap:28px;align-items:center;padding:34px;border-radius:24px;background:#edf5f1;border:1px solid #d7e7dd}
.pro-purpose h2{font-size:clamp(30px,4vw,44px);line-height:1.12;letter-spacing:-.03em;margin:8px 0 14px}
.pro-purpose p{font-size:17px;line-height:1.75;color:#445b63;margin:0 0 12px}
.purpose-aside{display:grid;gap:12px}
.purpose-badge{display:flex;align-items:center;justify-content:center;min-height:72px;border-radius:18px;background:#fff;border:1px solid #dbe7e0;color:#3d725e;font-size:22px;font-weight:900}
.minimal-home .progress-home,.pro-home .progress-home{margin:0 0 42px;max-width:none;padding:24px 26px;border:1px solid #d8e4e9;border-radius:22px;background:#fff;box-shadow:0 8px 24px rgba(38,54,80,.04)}
.resume-feature{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px;border-radius:18px;background:#f8fbfe;border:1px solid #e2eaf0}.resume-main h3{font-size:21px;margin:8px 0}.resume-primary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 17px;border-radius:12px;background:var(--blue);color:#fff;text-decoration:none;font-weight:900;white-space:nowrap}.resume-others{margin-top:14px;border-top:1px solid #e7edf0}.resume-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 4px;border-bottom:1px solid #edf2f4;text-decoration:none;color:inherit}.resume-row strong{display:block;font-size:18px}.resume-row small{display:block;color:var(--muted);font-size:14px;margin-top:3px}.resume-row-link{font-size:15px;font-weight:900;color:var(--blue);white-space:nowrap}
.editorial-columns-lower{padding-top:26px}
@media(max-width:980px){.pro-hero{grid-template-columns:1fr}.pro-section-head{align-items:start;flex-direction:column}.highlight-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.steps-grid{grid-template-columns:1fr}.pro-purpose .purpose-panel{grid-template-columns:1fr}.pro-book-card:last-child{grid-column:auto;max-width:none}}
@media(max-width:760px){.pro-hero{padding:40px 0 28px}.pro-copy h1{font-size:clamp(40px,14vw,58px)}.pro-lead{font-size:19px}.pro-book-grid{grid-template-columns:1fr}.highlight-grid{grid-template-columns:1fr}.pro-book-card{grid-template-columns:112px 1fr;gap:14px}.mini-book-cover{height:126px}.resume-feature{flex-direction:column;align-items:flex-start}.hero-metrics{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.pro-actions .button{width:100%}.pro-trust{gap:8px}.pro-trust li{font-size:13px}.hero-stage{padding:16px}.hero-book-tile{grid-template-columns:74px 1fr}.hero-book-tile .mini-book-cover{height:74px}.hero-metrics{grid-template-columns:1fr}.pro-book-card{grid-template-columns:86px 1fr;padding:14px}.mini-book-cover{height:104px}.pro-book-body h3{font-size:21px}.pro-section-head h2{font-size:30px}.pro-purpose .purpose-panel{padding:24px}.purpose-badge{min-height:60px;font-size:19px}}

/* Launch typography, editorial rhythm and original geometric illustrations */
:root{--ink:#23344d;--blue:#2056a1;--muted:#506479}
body{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:18px;line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,.site-brand{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;text-wrap:balance}
.pro-copy h1{letter-spacing:-.065em;font-weight:780}.pro-section-head h2{font-weight:740}.site-brand{letter-spacing:-.03em}
.pro-hero{padding-top:54px}.pro-highlights,.pro-library,.pro-steps,.pro-purpose{margin-top:58px}
.hero-stage{position:relative;overflow:hidden}.hero-stage:before{content:"";position:absolute;width:260px;height:260px;background:radial-gradient(circle,#dcebf4 0%,transparent 70%);right:-95px;top:-130px;pointer-events:none}.hero-stage>*{position:relative}
.pro-book-card .mini-book-cover{box-shadow:4px 6px 0 #26365010;border:1px solid #2636500a}
.pro-book-card,.highlight-card,.step-card{transition:box-shadow .18s ease,transform .18s ease}.pro-book-card:focus-within,.highlight-card:focus-within{box-shadow:0 12px 34px #26365018}
.pro-trust li{font-weight:680}.pro-trust li:before{content:"✓";margin-right:7px;color:#247150}
.highlight-card p,.step-card p{font-size:15px}.pro-purpose .purpose-panel{background:#edf5f1}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Minimal editorial bookshelf landing page. Existing book/lesson styling remains unchanged. */
.shelf-home{max-width:1060px;margin:0 auto}
.shelf-hero{padding:68px 16px 49px;text-align:center;max-width:820px;margin:auto}
.shelf-eyebrow{font-size:11px;letter-spacing:.18em;font-weight:800;color:#527867}
.shelf-hero h1{font-family:Georgia,'Times New Roman',serif;font-weight:600;letter-spacing:-.048em;line-height:1.04;font-size:clamp(46px,6vw,78px);margin:18px 0 19px}
.shelf-hero h1 em{font-weight:500;font-style:italic;color:#356fae}
.shelf-hero p{max-width:575px;margin:0 auto;color:#5b6c7c;font-size:18px;line-height:1.7}
.shelf-library{margin:20px 0 56px;scroll-margin-top:100px}
.shelf-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;padding:0 6px 19px}
.shelf-heading h2{font-family:Georgia,'Times New Roman',serif;font-size:35px;font-weight:600;letter-spacing:-.025em;margin:5px 0}
.shelf-heading p{font-size:15px;margin:3px 0;color:#6a7885}
.shelf-nav{display:flex;gap:9px}
.shelf-arrow{width:43px;height:43px;border-radius:50%;border:1px solid #dbe3e8;background:white;color:#2d4b6b;font-size:20px;display:grid;place-items:center;transition:background .15s,border-color .15s}
.shelf-arrow:hover{background:#eef5fc;border-color:#9db9d2}
.shelf-track{display:flex;gap:24px;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:#c6d5df transparent;padding:6px 6px 16px;-webkit-overflow-scrolling:touch}
.shelf-item{flex:0 0 clamp(205px,26vw,258px);min-width:0;scroll-snap-align:start}
.shelf-cover{display:flex;position:relative;height:264px;border-radius:9px 16px 16px 9px;box-shadow:4px 7px 16px #283e5718;align-items:center;justify-content:center;text-decoration:none;overflow:hidden;transition:transform .2s,box-shadow .2s;background:#e6eff9}
.shelf-cover:hover{transform:translateY(-5px);box-shadow:7px 12px 22px #283e5724}
.shelf-book-art{width:74%;max-width:186px}.shelf-book-art svg{display:block;width:100%;height:auto}
.shelf-cover-spine{position:absolute;left:0;top:0;bottom:0;width:13px;background:linear-gradient(90deg,#2f4e6f20,#ffffff42 55%,#2f4e6f0e);border-right:1px solid #ffffff60}
.shelf-cover.book-tone-2{background:#fff0d7}.shelf-cover.book-tone-3{background:#e7f3eb}.shelf-cover.book-tone-4{background:#eeeaf9}.shelf-cover.book-tone-5{background:#faeae1}
.shelf-card-info{padding:14px 2px 0}
.shelf-age{font-size:11px;font-weight:800;letter-spacing:.1em;color:#718092}
.shelf-card-info h3{font-size:17px;line-height:1.38;margin:6px 0 9px;font-weight:800;min-height:48px}
.shelf-card-info h3 a{text-decoration:none;color:#243c58}.shelf-card-info h3 a:hover{text-decoration:underline}
.shelf-open{font-size:13px;color:#3269a7;font-weight:800;text-decoration:none}
.shelf-open:hover{text-decoration:underline}
.shelf-hint{font-size:12px;color:#708090;margin:9px 6px 0}
.shelf-closing{border-top:1px solid #e3e6e6;padding:24px 6px 4px;display:flex;gap:10px;justify-content:space-between;color:#607587;font-size:13px}
.shelf-closing a{text-decoration:none;font-weight:800}
.shelf-home .progress-home{margin:0 0 37px;max-width:none}
@media(max-width:620px){.shelf-hero{padding:43px 10px 38px}.shelf-hero p{font-size:16px}.shelf-library{margin-top:10px}.shelf-heading h2{font-size:30px}.shelf-track{gap:16px}.shelf-item{flex-basis:208px}.shelf-cover{height:234px}.shelf-heading{padding-left:0;padding-right:0}.shelf-closing{flex-direction:column}}
@media(prefers-reduced-motion:reduce){.shelf-cover{transition:none}.shelf-track{scroll-behavior:auto}}