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0}.exercise-box h2,.prompt-box h2{margin-top:12px}.exercise-box ol{padding-left:23px;font-size:15px;color:#415f77;line-height:1.8}.exercise-box li{padding-left:5px;margin:12px 0}.result-box{border-top:1px solid #cddff0;padding-top:20px;margin-top:23px}.result-box strong{font-size:13px;color:#3262a0}.result-box p{font-size:14px;line-height:1.7;margin-bottom:0}.prompt-box pre{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.8 "Helvetica Neue",Helvetica,Arial,sans-serif;color:#3c5c79;background:#fff;border:1px solid #deebf8;border-radius:9px;padding:17px}.prompt-box button{font-size:12px}.prompt-box [role=status]{font-size:12px;color:#6887a0;margin-left:12px}.lesson-checklist{list-style:none;padding:0;margin:20px 0}.lesson-checklist li{font-size:15px;line-height:1.7;color:#4a667b;padding:13px 0 13px 30px;border-bottom:1px solid #edf2f7;position:relative}.lesson-checklist 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.reading-sheet{padding:32px}.navigator-panel{right:0}}@media(max-width:540px){header{gap:12px}.brand img{width:140px}header .navigator{margin:0}.navigator summary{font-size:11px;padding:9px}.navigator-panel{width:min(340px,88vw);right:0}.navigator-panel .task-card{padding:12px 3px}.navigator-panel .task-card strong{font-size:13px}.navigator-panel .task-card div>span{font-size:11px}header>.primary{margin-left:auto;font-size:10px}header nav{width:auto;order:2;gap:16px;font-size:12px}header>.primary{order:3}header .brand{margin-right:auto}.task-grid{grid-template-columns:1fr}.task-card{padding:15px}.task-card strong{font-size:14px}.task-card div>span{font-size:12px}.task-index{font-size:12px}.reading-toc nav{grid-template-columns:1fr}.reading-layout .reading-sheet{padding:25px 20px}.exercise-box,.prompt-box{padding:20px 17px}.lesson-table{font-size:12px}.reading-sheet h2{font-size:22px}.article-number{font-size:30px}}
.reading-sheet .source-note{font-size:12px;color:#8098ab;margin-top:-3px}.source-note a{color:#3776bd;text-decoration:underline;text-underline-offset:3px}

.free-badge{display:inline-block;align-self:flex-start;margin:0 0 12px;padding:5px 9px;border-radius:8px;background:#e8f7f1;color:#17674b;font-size:11px;font-weight:600;line-height:1.4}

/* Freedom typography and quiet surfaces */
:root{font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;color:#1d1d1f;background:#f5f5f7;--blue:#0071e3;--muted:#6e6e73;--line:#e5e5e7}
body{background:#f5f5f7;-webkit-font-smoothing:antialiased;line-height:1.5;letter-spacing:-.012em}
header{max-width:1320px;padding:22px 40px;gap:24px;border-bottom:1px solid #dedee3;min-height:90px}
.brand img{width:178px}header nav{font-weight:400;font-size:14px;gap:28px}main{max-width:1280px;padding:0 40px}
.primary,.secondary{border-radius:999px;font-weight:500;box-shadow:none;font-size:14px;padding:11px 20px}.primary{border-color:transparent;background:#0071e3}.primary:hover{background:#0077ed}.secondary{border-color:#d2d2d7;color:#1d1d1f}
.intro{text-align:left;padding:62px 0 46px;max-width:850px}.eyebrow{border:0;background:none;box-shadow:none;border-radius:0;padding:0;color:#6e6e73;font-size:13px;font-weight:500;letter-spacing:.025em}.spark{display:none}
h1{font-size:clamp(44px,5.3vw,72px);line-height:1.035;letter-spacing:-.045em;font-weight:600;margin:22px 0 24px}h1 span{color:#64646c}.intro p{font-size:20px;line-height:1.5;letter-spacing:-.02em;color:#6e6e73}.home-search{margin:30px 0 16px;max-width:660px}.search{border:1px solid #d2d2d7;border-radius:14px;box-shadow:none;padding:14px 18px}.search input{color:#1d1d1f;font-size:17px;letter-spacing:-.015em}.search input::placeholder{color:#64646c}.search svg{stroke:#64646c}kbd{font-family:inherit;color:#64646c}.intro-stats{justify-content:flex-start;font-size:13px;color:#64646c;gap:20px}
.workspace{padding:38px 32px 40px;background:#fff;border:0;border-radius:24px;box-shadow:none;margin-bottom:50px}.tiny,.filter-label{font-size:12px;letter-spacing:.045em;font-weight:500;color:#64646c}h2{font-size:28px;line-height:1.2;letter-spacing:-.035em;font-weight:600;margin-top:8px}.text-link{font-weight:400;font-size:15px;color:#0066cc}.folders{gap:12px;margin:30px 0 40px}.folder{background:#f5f5f7;border:1px solid transparent;border-radius:18px;padding:24px 18px;transition:background .18s,transform .18s}.folder:hover{background:#ececf0;border-color:transparent;box-shadow:none;transform:translateY(-3px)}.folder-art{height:80px;filter:drop-shadow(0 5px 4px #0000000c)}.folder:hover .folder-art{transform:none}.folder h3{font-weight:500;font-size:16px;line-height:1.25;letter-spacing:-.025em;margin:20px 0 9px}.folder p{font-size:13px;color:#64646c}.folder-index{font-size:12px;color:#64646c;letter-spacing:0}
.section-heading{padding-top:32px;margin-bottom:24px}.featured-grid,.resources{gap:16px}.resource{border-color:#e5e5e7;border-radius:18px;padding:24px;color:#1d1d1f;min-height:205px}.resource:hover{background:#fafafa;border-color:#c7c7cc;box-shadow:none}.resource-top{flex-wrap:wrap;gap:8px;margin-bottom:20px}.resource .category{font-size:12px;color:#6e6e73}.pick-badge{font-size:12px;font-weight:400;background:#f2f2f7;color:#6e6e73;border-radius:6px}.resource h2{font-size:19px;line-height:1.3;letter-spacing:-.025em;font-weight:500;margin-bottom:12px}.resource .description{font-size:15px;line-height:1.55;color:#6e6e73;letter-spacing:-.012em;margin-bottom:24px}.resource .domain{font-size:12px;line-height:1.45;color:#64646c}.resource .external{font-size:14px}.free-badge{font-size:12px;font-weight:400;background:#eef6ef;color:#42684b;border-radius:6px}
.task-section{padding:32px 0}.task-grid{gap:12px;margin-top:24px}.task-card{background:#fff;border-color:#e5e5e7;border-radius:14px;padding:19px;gap:14px}.task-card:hover{background:#f5f5f7;border-color:#d2d2d7}.task-index{background:none;padding:0;color:#64646c;font-size:13px;min-width:22px}.task-card strong{font-size:16px;font-weight:500;letter-spacing:-.02em;line-height:1.35}.task-card div>span{font-size:14px;color:#64646c;line-height:1.45;margin-top:5px}
.article-heading{margin-top:12px}.article-grid{gap:16px}.article-card,.article-card:nth-child(2),.article-card:nth-child(3){background:#f5f5f7;border:0;border-radius:18px;padding:28px;min-height:260px}.article-card:hover{background:#ececf0}.article-card .tiny{color:#64646c}.article-card h3{font-size:24px;font-weight:500;line-height:1.2;letter-spacing:-.035em;margin:27px 0 16px}.article-card p{font-size:15px;line-height:1.55;color:#6e6e73}.article-card .article-meta{font-size:12px;color:#64646c}.article-number{font-size:25px;color:#b7b7bd;letter-spacing:-.04em;top:24px;right:24px}
.navigator{font-weight:400}.navigator summary{background:transparent;border:0;padding:10px 0;font-size:14px}.navigator summary span{color:#64646c}.navigator-panel{width:390px;border:1px solid #e5e5e7;border-radius:18px;padding:24px;box-shadow:0 12px 40px #00000014}.navigator-panel .task-card strong{font-size:15px}.navigator-panel .task-card div>span{font-size:13px}.navigator-panel .task-card:hover{background:#f5f5f7}.navigator-panel .task-index{font-size:12px}
#library{padding-top:35px}.breadcrumb{font-size:13px;color:#64646c}.breadcrumb a{color:#0066cc}.library-heading{margin:38px 0 30px}.library-heading h1{font-size:clamp(36px,4.4vw,58px);font-weight:600;letter-spacing:-.04em;line-height:1.08;margin:12px 0 18px}.library-heading p{font-size:17px;line-height:1.5;color:#6e6e73}.number-badge{background:transparent;border:0;padding:0;font-size:14px;color:#64646c}.origin-filters button{font-size:14px;font-weight:400;border-color:#d2d2d7;border-radius:999px;color:#6e6e73;padding:9px 15px}.filters button{font-size:14px;color:#6e6e73;border-color:#e0e0e5;padding:8px 14px}.filters button.active{background:#eaf3ff;color:#0066cc;border-color:#b7d4f4}.results-meta{font-size:13px;color:#64646c;margin:30px 0 20px}.results-meta select{border-color:#d2d2d7;color:#1d1d1f;font-size:14px}
.reading-layout{grid-template-columns:220px minmax(0,820px);gap:40px}.reading-layout .reading-sheet{padding:46px 54px;border:0;border-radius:22px;box-shadow:none}.reading-sheet h1{font-size:44px;line-height:1.1;letter-spacing:-.04em;font-weight:600}.reading-sheet .lead{font-size:21px;line-height:1.5;color:#6e6e73;letter-spacing:-.02em}.reading-sheet p{font-size:17px;line-height:1.7;letter-spacing:-.012em;color:#424245}.reading-sheet h2{font-size:28px;line-height:1.2;font-weight:500;letter-spacing:-.03em;margin:40px 0 18px}.reading-meta{font-size:13px;color:#64646c;gap:12px}.reading-toc nav a{font-size:14px;line-height:1.45;color:#6e6e73;padding:10px 0}.reading-toc nav a>span,.section-num{font-size:12px;color:#64646c;letter-spacing:0}.back-library{font-size:14px}.lesson-table{font-size:14px}.lesson-table th{background:#f5f5f7;color:#1d1d1f;font-weight:500}.lesson-table td{color:#6e6e73}.lesson-table caption{color:#64646c;font-size:13px}.exercise-box,.prompt-box{background:#f5f5f7;border:0;border-radius:16px;padding:28px}.exercise-box ol,.lesson-checklist li{font-size:16px;line-height:1.65;color:#424245}.result-box{border-color:#d2d2d7}.result-box strong{font-size:14px;color:#1d1d1f}.prompt-box pre{font:15px/1.65 "Helvetica Neue",Helvetica,Arial,sans-serif;color:#424245;border-color:#e5e5e7}.reading-sheet .source-note{font-size:13px;color:#64646c}.course-summary{font-size:15px;border-color:#e5e5e7}.reading-footer{margin-top:40px}footer{max-width:1280px;padding:24px 40px 36px;color:#64646c;border-color:#dedee3;font-size:12px}.footer-brand{color:#1d1d1f;font-weight:500;font-size:16px;letter-spacing:-.035em}
@media(max-width:1100px){header{gap:18px}.brand img{width:155px}header nav{gap:20px}.folder{padding:22px 14px}.folder h3{font-size:15px}.reading-layout{gap:26px;grid-template-columns:190px minmax(0,1fr)}.reading-layout .reading-sheet{padding:36px}.reading-toc nav a{font-size:14px}}
@media(max-width:800px){header{padding:20px 24px}.brand img{width:155px}main{padding:0 24px}.intro{padding:42px 0 36px}.workspace{padding:28px 24px}.folder h3{font-size:16px}.reading-layout{display:block}.reading-toc{background:#fff;border-color:#e5e5e7;padding:20px}.reading-toc nav a{font-size:14px}.navigator-panel{width:350px}footer{padding:24px}.reading-sheet h1{font-size:38px}}
@media(max-width:540px){header{padding:18px 20px;gap:14px}.brand img{width:145px}header nav{font-size:14px;gap:20px}header>.primary{font-size:13px;padding:10px 15px}.navigator summary{font-size:14px}.navigator-panel{position:fixed;top:75px;left:20px;right:20px;width:auto;max-height:75vh;overflow:auto}.navigator-panel .task-card strong{font-size:15px}.navigator-panel .task-card div>span{font-size:13px}main{padding:0 20px}.intro{padding:38px 0 30px}.eyebrow{font-size:12px;letter-spacing:.015em}.intro h1{font-size:46px;line-height:1.045;letter-spacing:-.045em;margin:20px 0}.intro p{font-size:18px;line-height:1.5}.search{padding:12px 14px}.search input{font-size:16px}.intro-stats{font-size:12px;gap:8px 15px}.workspace{padding:26px 18px;border-radius:20px;box-shadow:none;margin-bottom:32px}.tiny{font-size:12px;letter-spacing:.025em}.workspace-top h2,.section-heading h2,h2{font-size:24px;line-height:1.2}.workspace-top,.section-heading{flex-wrap:wrap;gap:12px}.text-link{font-size:14px}.folders{gap:10px;margin:26px 0 32px}.folder{padding:22px 14px;border-radius:16px}.folder h3{font-size:16px}.folder-art{height:72px}.folder:last-child{grid-template-columns:78px 1fr}.folder p{font-size:12px}.task-card strong{font-size:16px}.task-card div>span{font-size:14px}.article-card{padding:26px;min-height:230px}.article-card h3{font-size:24px}.article-number{font-size:24px}.resource{padding:23px}.resource h2{font-size:20px}.resource .description{font-size:15px}.library-heading h1{font-size:38px;letter-spacing:-.04em}.library-heading p{font-size:16px}.reading-layout .reading-sheet{padding:30px 22px}.reading-sheet h1{font-size:34px;line-height:1.12;letter-spacing:-.035em}.reading-sheet .lead{font-size:19px;line-height:1.5}.reading-sheet h2{font-size:25px}.reading-sheet p{font-size:17px;line-height:1.7}.exercise-box,.prompt-box{padding:22px 18px}.lesson-table{font-size:14px}footer{padding:24px 20px;font-size:12px}}

.footer-brand img{display:block;width:178px;height:auto}.folders{grid-template-columns:repeat(3,minmax(0,1fr))}.folder{display:grid;grid-template-columns:92px 1fr;column-gap:18px;align-items:center}.folder-art{grid-row:1/3;width:92px}.folder h3{min-height:0;margin:4px 0 8px;font-size:17px}.folder p{align-self:start}.prompt-box pre{max-height:none;white-space:pre-wrap}.prompt-box .secondary{position:sticky;bottom:18px;background:#fff;box-shadow:0 2px 12px #0000000d}.prompt-box pre{padding:22px;font-size:16px;line-height:1.7}@media(max-width:1100px){.folders{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:540px){.folders{grid-template-columns:1fr}.folder,.folder:last-child{grid-column:auto;grid-template-columns:78px 1fr;padding:20px 16px}.folder-art{width:78px;height:66px}.folder h3{font-size:17px}.footer-brand img{width:160px}.prompt-box pre{padding:16px;font-size:15px}header nav{flex-wrap:wrap}}

.hero-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:22px;align-items:center}.hero-layout .intro{max-width:none}.hero-layout .intro h1{font-size:clamp(44px,4.7vw,64px)}.filter-help{font-size:13px;line-height:1.6;color:#64646c;max-width:850px;margin:0 0 20px}.market-note{font-size:12px;color:#0066cc;margin-bottom:12px}.resource .description{overflow-wrap:anywhere}footer a{color:#0066cc}.footer-brand{color:#1d1d1f}@media(max-width:1000px){.hero-layout{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:0}.hero-layout .intro h1{font-size:48px}.hero-layout .intro p{font-size:18px}}@media(max-width:700px){.hero-layout{grid-template-columns:1fr}.hero-layout .intro{padding-bottom:12px}.hero-layout .intro h1{font-size:46px}.filter-help{font-size:13px}}



.reader-contents summary{cursor:pointer;list-style:none;min-height:32px;display:flex;align-items:center;justify-content:space-between}.reader-contents summary::-webkit-details-marker{display:none}.reader-contents summary:after{content:'+';font-size:20px;font-weight:400;letter-spacing:0;color:#6e6e73}.reader-contents[open] summary:after{content:'−'}.reader-contents:not([open]) nav{display:none}.reading-sheet h1,.reading-sheet h2{overflow-wrap:anywhere}.reading-sheet .lead{overflow-wrap:anywhere}.task-card,.resource,.article-card,.folder{min-width:0}.reader-contents summary:focus-visible{outline:3px solid #0071e3;outline-offset:4px}.filters button,.origin-filters button{min-height:44px}.search button{min-width:36px;min-height:36px}.results-meta label{max-width:100%}.reading-sheet .reading-footer .text-link{white-space:normal}.reading-toc{min-width:0}.reader-contents nav a{min-height:44px}.reading-sheet .source-note{overflow-wrap:anywhere}@media(max-width:800px){.reading-toc{margin:18px 0;padding:13px 18px}.reading-layout{margin-top:18px}.reading-layout .reading-sheet{padding-top:30px}.reader-contents summary{min-height:32px;font-size:14px}.reading-toc nav{margin-top:12px}.reading-sheet .reading-meta{gap:8px 14px}}@media(max-width:540px){.results-meta{width:100%}.results-meta label{display:flex;align-items:center;gap:8px;width:100%}.results-meta select{flex:1;min-width:0;max-width:none;margin-left:0}.origin-filters{gap:8px;margin:20px 0}.origin-filters button{padding:9px 12px}.filters button{padding:9px 13px}.library-heading{margin:25px 0}.library-heading h1{font-size:34px;overflow-wrap:anywhere}.reading-sheet h1{font-size:32px}.reading-sheet h2{font-size:24px}.reading-sheet .lead{font-size:18px}.navigator-panel .task-card{min-height:58px}.reading-meta{font-size:12px}.reading-sheet{width:100%;min-width:0}.breadcrumb{gap:8px;font-size:12px}}

.mobile-course{display:none}@media(max-width:540px){header{display:grid;grid-template-columns:minmax(0,1fr) auto;padding:16px 20px 8px;gap:6px 12px;min-height:0}header .brand{margin:0}header .navigator{margin:0}header nav{grid-column:1/-1;width:100%;order:initial;justify-content:space-between;gap:8px;flex-wrap:nowrap}header nav a{font-size:13px;min-height:44px;display:inline-flex;align-items:center}header .mobile-course{display:inline-flex}header>.primary{display:none}.intro-stats{gap:6px 12px}.reading-layout{margin-top:12px}#reading{padding-top:22px}}

@media(max-width:540px){header .brand{grid-column:1;grid-row:1}header .navigator{grid-column:2;grid-row:1}header nav{grid-row:2}}

/* Text-only home hero. */
.hero-layout{display:block}.hero-layout .intro{max-width:960px}.hero-layout .home-search{max-width:720px}

/* Production interaction and responsive fixes. */
.skip-link{position:fixed;left:20px;top:-100px;padding:12px 20px;background:#fff;z-index:100;border:2px solid #0071e3;border-radius:8px}.skip-link:focus{top:12px}
.noscript-note{padding:24px;max-width:1240px;margin:auto}
h1,h2,h3{text-wrap:balance}.resource h2,.article-card h3,.folder h3{overflow-wrap:anywhere}
.tiny,.intro-stats,.filter-help,.resource .domain,.article-meta,.reading-meta,.number-badge,.section-num,.article-number,.folder p,footer{color:#64646c}
.navigator summary,.reader-contents summary{min-height:44px;display:flex;align-items:center;cursor:pointer}
header nav a,.text-link,footer a{min-height:44px;display:inline-flex;align-items:center}
.reading-toc{max-height:calc(100dvh - 50px);overflow-y:auto;scrollbar-width:thin}
.reading-sheet section{scroll-margin-top:24px}.search button{min-width:44px;min-height:44px}
.navigator-panel{max-height:calc(100dvh - 120px);overflow-y:auto}
@media(max-width:800px){.navigator-panel{position:fixed;left:24px;right:24px;top:90px;width:auto;max-height:calc(100dvh - 120px)}.reading-toc{max-height:none;overflow:visible}}
@media(max-width:540px){.navigator-panel{left:20px;right:20px;top:78px;max-height:calc(100dvh - 102px)}.hero-layout .intro h1{font-size:clamp(38px,11.8vw,46px)}.hero-layout .intro{padding-bottom:30px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
/* Comfortable reading: whole words, short paragraphs, stable mobile rhythm. */
.reading-sheet h1,.reading-sheet h2,.reading-sheet .lead{overflow-wrap:normal;word-break:normal;hyphens:none;text-wrap:balance}
.reading-sheet p,.reading-sheet li{word-break:normal;hyphens:none;text-wrap:pretty}
.reading-sheet p{max-width:66ch;line-height:1.65;margin-block:16px}
.reading-sheet h1{max-width:23ch;line-height:1.16;letter-spacing:-.025em}
.reading-sheet h2{line-height:1.3;letter-spacing:-.015em}
.reading-sheet .lead{max-width:58ch;line-height:1.55;text-wrap:pretty}
.reading-sheet section{margin-top:32px}
.reading-sheet .lesson-checklist li,.reading-sheet ol li{margin-bottom:12px;line-height:1.6}
.reading-toc a{overflow-wrap:normal;word-break:normal;hyphens:none}
@media(max-width:540px){.reading-layout .reading-sheet{padding:26px 18px}.reading-sheet h1{font-size:clamp(25px,7vw,32px);line-height:1.2;letter-spacing:-.02em}.reading-sheet h2{font-size:23px;line-height:1.3}.reading-sheet p,.reading-sheet li{font-size:17px;line-height:1.65}.reading-sheet .lead{font-size:18px}.reading-sheet section{margin-top:28px}.reading-sheet .exercise-box,.reading-sheet .prompt-box{padding:20px 16px}.section-num{display:none}}