/* Vertmix Knowledge: a curriculum, a library, and a practical reading space. */
.knowledge-nav{background:#202020;color:#b6b6b6;border-bottom:1px solid #3b3b3b;font-size:11px;line-height:1.6}
.knowledge-nav>.container{display:flex;justify-content:space-between;align-items:center;gap:25px;min-height:57px}
.knowledge-nav-brand{color:#eee;white-space:nowrap;font-weight:500;letter-spacing:-.015em}
.knowledge-nav-brand>span{display:inline-block;padding:0 11px;color:#777;font-weight:400}
.knowledge-nav>.container>div{display:flex;align-items:center;gap:29px;align-self:stretch}
.knowledge-nav a{display:inline-flex;align-items:center;gap:12px;position:relative;padding:17px 0}
.knowledge-nav a:hover,.knowledge-nav a[aria-current=page]{color:#fff}
.knowledge-nav a[aria-current=page]::after{position:absolute;content:"";height:2px;background:#eee;bottom:-1px;left:0;right:0}
.knowledge-nav .knowledge-nav-platform{margin-left:25px;color:#ddd}
.knowledge-nav .icon{width:13px;height:13px}
.knowledge-kicker{display:block;font-size:11px;font-weight:500;line-height:1.75;letter-spacing:.025em;color:#686868}
.knowledge-hero{background:#202020;color:#f3f3f3;padding:58px 0 0}
.knowledge-hero-grid{display:grid;grid-template-columns:minmax(0,1.14fr) minmax(0,.86fr);gap:67px;align-items:center}
.knowledge-hero-copy{min-width:0}
.knowledge-hero .knowledge-kicker{color:#a8a8a8;margin-bottom:22px}
.knowledge-hero h1{font-size:clamp(46px,4.8vw,64px);line-height:1.09;letter-spacing:-.055em;font-weight:500;max-width:700px;text-wrap:balance}
.knowledge-lead{font-size:17px;line-height:1.85;color:#b7b7b7;max-width:590px;margin-top:26px}
.knowledge-hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:21px 27px;margin-top:30px}
.knowledge-hero-actions .button{font-size:12px;min-height:47px}
.knowledge-hero-actions .text-link{font-size:11px;color:#ddd;gap:11px}
.knowledge-hero-actions .text-link .icon{width:14px;height:14px}
.knowledge-facts{display:flex;gap:30px;flex-wrap:wrap;margin-top:39px;color:#aaa;font-size:11px;line-height:1.7}
.knowledge-facts>span{display:flex;align-items:center;gap:10px}
.knowledge-facts b{font-size:17px;font-weight:500;color:#eee;letter-spacing:-.04em}

/* Five linked sheets make the learning sequence tangible. */
.learning-map{position:relative;padding:0 0 0 8px;max-width:500px;justify-self:end;width:100%}
.map-caption{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:10px;color:#9e9e9e;line-height:1.8;padding:0 0 20px}
.map-caption>span:last-child{color:#bcbcbc;letter-spacing:.06em;white-space:nowrap}
.learning-map ol{padding:0;margin:0;list-style:none;isolation:isolate}
.learning-map li{margin-left:calc(var(--step)*10px);margin-right:calc((4 - var(--step))*10px);position:relative;transition:transform .22s ease;box-shadow:0 13px 27px #00000013}
.learning-map li+li{margin-top:-1px}
.learning-map li:hover{transform:translateX(-7px);z-index:2}
.learning-map li>a{display:grid;grid-template-columns:33px minmax(0,1fr) 15px;align-items:center;gap:16px;min-height:66px;padding:15px 22px;border-top:1px solid #ffffff70;border-left:1px solid #ffffff30;color:#252525;background:linear-gradient(112deg,#e7e7e7,#c3c3c3);font-size:14px;font-weight:500;line-height:1.5;letter-spacing:-.02em}
.learning-map li:nth-child(2)>a{background:linear-gradient(112deg,#c7c7c7,#a5a5a5)}
.learning-map li:nth-child(3)>a{background:linear-gradient(112deg,#a7a7a7,#898989)}
.learning-map li:nth-child(4)>a{background:linear-gradient(112deg,#777,#565656);color:#f1f1f1;border-top-color:#a2a2a2}
.learning-map li:nth-child(5)>a{background:linear-gradient(112deg,#535353,#363636);color:#eee;border-top-color:#777}
.learning-map .map-number{font-size:12px;font-weight:400;opacity:.65;letter-spacing:.015em}
.learning-map .icon{width:15px;height:15px;opacity:.6}
.learning-map>p{max-width:340px;margin:19px 0 0 40px;font-size:10px;line-height:1.8;color:#969696}
.learning-map a.is-complete .map-number::after{content:" ·";font-weight:700}
.course-progress{display:grid;grid-template-columns:minmax(200px,300px) minmax(100px,1fr) auto;gap:30px;align-items:center;border-top:1px solid #454545;margin-top:51px;padding:23px 0 26px}
.course-progress>div{display:grid;gap:4px}
.course-progress .knowledge-kicker{font-size:10px;margin:0;color:#949494}
.course-progress strong{font-size:13px;line-height:1.7;font-weight:500;letter-spacing:-.015em;color:#e0e0e0}
progress[data-course-progress]{display:block;appearance:none;-webkit-appearance:none;height:6px;width:100%;border:0;border-radius:0;overflow:hidden;background:#555;mask-image:repeating-linear-gradient(90deg,#000 0 calc(20% - 5px),transparent calc(20% - 5px) 20%)}
progress[data-course-progress]::-webkit-progress-bar{background:#555}
progress[data-course-progress]::-webkit-progress-value{background:#e2e2e2}
progress[data-course-progress]::-moz-progress-bar{background:#e2e2e2}
.course-progress-note{font-size:10px;line-height:1.8;color:#919191}
.course-progress>[data-learning-storage-status]{grid-column:1/-1;font-size:11px;color:#c5c5c5;margin:0}

/* A coordinated role selector, followed by an illustrated curriculum index. */
.path-section{background:#e9e9e7;padding:76px 0 81px;scroll-margin-top:20px}
.knowledge-section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:50px;margin-bottom:37px}
.knowledge-section-heading .knowledge-kicker{margin-bottom:17px}
.knowledge-section-heading h2{font-size:clamp(34px,3.4vw,45px);line-height:1.15;letter-spacing:-.045em;color:#272727}
.knowledge-section-heading>p{max-width:355px;font-size:14px;line-height:1.9;color:#676767;padding-bottom:3px}
.path-selector{display:grid;grid-template-columns:245px minmax(0,1fr);gap:28px;align-items:start}
.path-selector:not([data-path-ready=true]){grid-template-columns:minmax(0,1fr)}
.path-tabs{border-top:1px solid #bcbcbc}
.path-tabs>button{display:grid;grid-template-columns:20px minmax(0,1fr) 16px;gap:14px;align-items:start;text-align:left;width:100%;padding:25px 20px 24px 12px;border-bottom:1px solid #bbb;transition:background .18s,color .18s}
.path-tab-index{font-size:10px;color:#8b8b8b;line-height:1.7;padding-top:3px}
.path-tabs strong{display:block;font-size:16px;line-height:1.5;letter-spacing:-.025em;font-weight:500}
.path-tabs small{display:block;font-size:11px;line-height:1.8;color:#777;margin-top:5px}
.path-tabs .icon{width:15px;height:15px;margin-top:4px;color:#777}
.path-tabs>button:hover{background:#dcdcdc}
.path-tabs>button[aria-selected=true]{background:#292929;border-color:#292929;color:#f0f0f0}
.path-tabs>button[aria-selected=true] .path-tab-index,.path-tabs>button[aria-selected=true] small,.path-tabs>button[aria-selected=true] .icon{color:#b8b8b8}
.path-panels{min-width:0}
.path-panel{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:30px;min-height:380px;background:#fafaf8;border:1px solid #ccc;padding:35px 34px;box-shadow:4px 4px 0 #dddddb}
.path-panel+.path-panel{margin-top:25px}
.path-selector[data-path-ready=true] .path-panel{margin-top:0}
.path-panel-copy{min-width:0}
.path-panel-copy>.knowledge-kicker{font-size:10px;color:#6f6f6f;margin-bottom:18px}
.path-panel-copy>.knowledge-kicker>span{font-weight:400;color:#999}
.path-panel h3{font-size:31px;line-height:1.2;letter-spacing:-.04em;max-width:420px;margin-bottom:19px}
.path-panel-copy>p:not(.knowledge-kicker){font-size:13px;line-height:1.9;color:#6f6f6f;max-width:420px}
.path-outcome{margin-top:25px;padding-top:18px;border-top:1px solid #d6d6d6}
.path-outcome>span{font-size:10px;line-height:1.7;color:#777}
.path-outcome>p{font-size:13px;line-height:1.8;color:#444;margin-top:7px}
.path-panel-copy>.text-link{font-size:12px;margin-top:25px;gap:12px}
.path-panel-copy>.text-link .icon{width:15px;height:15px}
.path-outline{border-left:1px solid #d2d2d2;padding-left:26px;min-width:0}
.path-outline>.knowledge-kicker{font-size:10px;margin-bottom:12px;color:#8a8a8a}
.path-outline ol{list-style:none;padding:0;margin:0}
.path-outline li{border-top:1px solid #d7d7d7}
.path-outline li:last-child{border-bottom:1px solid #d7d7d7}
.path-outline li>a{display:grid;grid-template-columns:20px minmax(0,1fr) 12px;align-items:center;gap:12px;padding:16px 0;font-size:11px;line-height:1.65;color:#575757}
.path-outline li>a:hover{color:#161616}
.path-outline li>a>span:first-child{font-size:9px;color:#999}
.path-outline .icon{width:12px;height:12px;color:#999}
.curriculum-section{background:#d3d3d1;padding:71px 0 82px}
.curriculum-catalog{border-top:1px solid #9c9c9c}
.curriculum-chapter{display:grid;grid-template-columns:45px 190px minmax(0,1fr) 90px;gap:29px;align-items:center;padding:28px 0;border-bottom:1px solid #aeaeae;transition:background .2s}
.curriculum-chapter:hover{background:#dfdfdc}
.chapter-index{font-size:30px;line-height:1.1;font-weight:400;letter-spacing:-.06em;color:#929292;align-self:start;padding-top:6px}
.chapter-cover{background:#202122;overflow:hidden;aspect-ratio:10/7}
.chapter-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.curriculum-chapter:hover .chapter-cover img{transform:scale(1.035)}
.chapter-description{min-width:0;padding-right:15px}
.chapter-description>.knowledge-kicker{font-size:10px;margin-bottom:11px;color:#717171}
.chapter-description h3{font-size:27px;line-height:1.23;letter-spacing:-.04em;max-width:570px}
.chapter-description p{font-size:13px;line-height:1.85;color:#636363;margin-top:13px;max-width:580px}
.chapter-action{display:flex;flex-direction:column;align-items:flex-end;gap:24px;justify-self:end}
.chapter-action>span:first-child{font-size:10px;line-height:1.6;color:#757575;text-align:right}
.chapter-arrow{display:grid;place-items:center;width:39px;height:39px;border:1px solid #aaa;border-radius:50%;transition:background .2s,color .2s,border-color .2s}
.chapter-arrow .icon{width:16px;height:16px}
.curriculum-chapter:hover .chapter-arrow{background:#282828;border-color:#282828;color:#f3f3f3}
.curriculum-chapter.is-complete .chapter-index{color:#343434}
.curriculum-chapter.is-complete .chapter-action>span:first-child{color:#333}

/* Resources open with an editorial feature, then become a working library. */
.resource-hero{padding-bottom:62px}
.resource-hero .knowledge-hero-grid{grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:72px}
.featured-resource{display:block;min-width:0;border:1px solid #515151;background:#2c2c2c;align-self:stretch;margin-top:2px}
.featured-resource-art{position:relative;overflow:hidden;background:#202122;aspect-ratio:1.8}
.featured-resource-art img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.featured-resource-art>span{position:absolute;bottom:17px;left:24px;right:24px;color:#aaa;font-size:9px;line-height:1.6;letter-spacing:.025em}
.featured-resource-caption{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:25px 27px 29px;border-top:1px solid #4a4a4a}
.featured-resource-caption .knowledge-kicker{font-size:9px;margin-bottom:14px;color:#a1a1a1}
.featured-resource-caption h2{font-size:29px;line-height:1.2;letter-spacing:-.04em;font-weight:500;color:#efefef}
.featured-resource-arrow{width:36px;height:36px;flex-shrink:0;display:grid;place-items:center;border:1px solid #6b6b6b;border-radius:50%;color:#ddd;transition:background .2s,color .2s}
.featured-resource-arrow .icon{width:15px;height:15px}
.featured-resource:hover .featured-resource-art img{transform:scale(1.045)}
.featured-resource:hover .featured-resource-arrow{background:#ddd;color:#222}
.resource-workbench{background:#dfdfdd;padding:65px 0 82px;scroll-margin-top:20px}
.library-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:43px;align-items:start}
.library-browser{position:sticky;top:109px;padding:26px 24px 25px;background:#292929;color:#ddd;min-width:0;max-height:calc(100vh - 135px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:#626262 #292929}
.library-browser-heading>.knowledge-kicker{font-size:9px;line-height:1.8;color:#a0a0a0;margin-bottom:11px}
.library-browser-heading h2{font-size:30px;line-height:1.2;letter-spacing:-.04em;color:#f0f0f0}
.library-search{margin-top:26px}
.library-search label{display:block;font-size:10px;line-height:1.7;color:#b5b5b5;margin-bottom:10px}
.library-search input{width:100%;min-width:0;border:1px solid #686868;border-radius:3px;background:#373737;color:#f2f2f2;padding:12px 13px;font-size:11px;line-height:1.6;min-height:42px;appearance:none}
.library-search input::placeholder{color:#a7a7a7}
.library-filter-group{margin-top:23px;padding-top:19px;border-top:1px solid #4b4b4b}
.library-filter-group>p{font-size:10px;line-height:1.7;color:#999;margin-bottom:11px}
.library-browser .resource-filters{display:flex;justify-content:flex-start;flex-wrap:wrap;gap:5px;margin:0}
.library-browser .resource-filters button{color:#bbb;border-color:#666;background:transparent;font-size:10px;padding:7px 11px;min-height:32px;line-height:1.5;border-radius:99px}
.library-browser .resource-filters button:hover{background:#474747;color:#fff}
.library-browser .resource-filters button[aria-pressed=true]{background:#dededb;border-color:#dededb;color:#292929}
.library-topics{display:flex;flex-direction:column;gap:1px}
.library-topics>button{display:flex;align-items:flex-start;justify-content:space-between;gap:11px;text-align:left;width:100%;font-size:11px;line-height:1.65;color:#b0b0b0;padding:8px 0}
.library-topics>button>span:last-child{color:#777;font-size:12px;flex-shrink:0}
.library-topics>button:hover,.library-topics>button[aria-pressed=true]{color:#fff}
.library-topics>button[aria-pressed=true]>span:first-child{text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}
.library-topics>button[aria-pressed=true]>span:last-child{color:#ddd}
.library-learning-link{display:block;border-top:1px solid #555;margin-top:23px;padding-top:18px}
.library-learning-link>span{display:block;font-size:10px;line-height:1.8;color:#9d9d9d;margin-bottom:9px}
.library-learning-link>strong{display:flex;align-items:flex-start;justify-content:space-between;gap:13px;color:#ddd;font-size:11px;line-height:1.8;font-weight:500}
.library-learning-link .icon{width:14px;height:14px;flex-shrink:0;margin-top:3px}
.library-learning-link:hover>strong{color:#fff}
.library-results{min-width:0}
.library-results-list{min-width:0}
.library-results-heading{padding-bottom:22px;border-bottom:1px solid #9d9d9d}
.library-results-heading .knowledge-kicker{font-size:10px;color:#737373;margin-bottom:13px}
.library-results-heading h2{font-size:34px;line-height:1.2;letter-spacing:-.04em;max-width:650px}
.library-results-meta{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:24px;font-size:11px;line-height:1.8;color:#767676}
.library-results-meta button{font-size:10px;line-height:1.8;color:#555;padding:0;text-decoration:underline;text-underline-offset:4px}
.library-results-meta button:hover{color:#111}
.library-item{display:grid;grid-template-columns:145px minmax(0,1fr) 31px;gap:24px;align-items:center;padding:27px 0;border-bottom:1px solid #bcbcbc}
.library-cover{position:relative;display:block;background:#202122;overflow:hidden;aspect-ratio:1.12;align-self:start}
.library-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.library-cover>span{position:absolute;bottom:10px;left:12px;font-size:9px;color:#aaa;line-height:1.5;letter-spacing:.02em}
.library-item:hover .library-cover img{transform:scale(1.04)}
.library-item-copy{min-width:0}
.library-item-meta{display:flex;align-items:center;flex-wrap:wrap;gap:5px 14px;font-size:9px;line-height:1.7;color:#7b7b7b;margin-bottom:11px}
.library-item-meta>span:first-child{color:#515151;border:1px solid #adadad;padding:2px 7px;border-radius:2px}
.library-item h2{font-size:24px;line-height:1.25;letter-spacing:-.035em;max-width:590px}
.library-item h2 a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}
.library-item-copy>p{font-size:13px;line-height:1.85;color:#676767;margin-top:11px;max-width:600px}
.library-item-arrow{display:grid;place-items:center;width:31px;height:38px;color:#737373;justify-self:end}
.library-item-arrow .icon{width:17px;height:17px;transition:transform .2s}
.library-item-arrow:hover .icon{transform:translate(2px,-2px);color:#111}
.library-results .resource-empty{padding:37px 0 40px;background:transparent;border:0;margin:0;color:#646464}
.resource-empty .empty-symbol{display:block;font-size:70px;line-height:1;color:#999;margin-bottom:20px;font-weight:400}
.library-results .resource-empty h2{font-size:30px;line-height:1.25;color:#444}
.library-results .resource-empty p{font-size:14px;line-height:1.85;max-width:500px}
.library-results .resource-empty .button{font-size:11px;margin-top:25px}

/* Lesson pages keep their reading measure while separating example from action. */
.lesson-page{background:#d7d7d5}
.lesson-masthead{background:#242424;color:#f1f1f1;padding:33px 0 45px}
.lesson-masthead>.container{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:56px;align-items:center}
.lesson-masthead-copy{min-width:0}
.lesson-masthead .breadcrumb{color:#a7a7a7;margin-bottom:36px;font-size:10px}
.lesson-masthead .breadcrumb a{color:#c8c8c8}
.lesson-masthead .breadcrumb>span{color:#8e8e8e}
.lesson-masthead .knowledge-kicker{color:#aaa;margin-bottom:19px;font-size:10px}
.lesson-masthead h1{font-size:clamp(40px,4.2vw,56px);line-height:1.1;letter-spacing:-.05em;max-width:800px;text-wrap:balance}
.lesson-masthead .knowledge-lead{font-size:15px;line-height:1.9;margin-top:23px;color:#b5b5b5;max-width:630px}
.lesson-masthead-art{position:relative;align-self:stretch;display:flex;align-items:center;min-width:0}
.lesson-masthead-art img{width:100%;height:auto;max-height:330px;object-fit:cover;border:1px solid #404040}
.lesson-masthead-art>span{position:absolute;right:19px;bottom:23px;font-size:49px;line-height:1;letter-spacing:-.055em;color:#d0d0d0;font-weight:400}
.lesson-masthead-art small{font-size:12px;letter-spacing:0;margin-left:6px;color:#888}
.course-index{background:#333;color:#aaa;border-top:1px solid #494949;border-bottom:1px solid #4f4f4f}
.course-index>.container{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}
.course-index a{display:flex;align-items:center;gap:15px;min-height:64px;padding:15px 18px;border-left:1px solid #4c4c4c;font-size:12px;line-height:1.6;color:#b3b3b3;position:relative;transition:background .2s}
.course-index a:last-child{border-right:1px solid #4c4c4c}
.course-index a>span{font-size:10px;color:#858585;flex-shrink:0}
.course-index a:hover{background:#434343;color:#fff}
.course-index a[aria-current=page]{background:#e6e6e3;color:#252525}
.course-index a[aria-current=page]>span{color:#777}
.course-index a.is-complete:not([aria-current=page]){color:#e3e3e3}
.course-index a.is-complete>span::after{content:" ·";font-weight:700}
.lesson-reading-layout{grid-template-columns:200px minmax(0,1fr);gap:43px;padding-top:45px;padding-bottom:69px}
.lesson-toc{top:110px;padding-right:12px;color:#666}
.lesson-toc>p{font-size:10px;color:#777;margin-bottom:14px}
.lesson-toc a{font-size:11px;color:#666;border-left-color:#aaa;padding-left:13px}
.lesson-toc a:hover,.lesson-toc a[aria-current=location]{color:#111;border-left-color:#333}
.lesson-toc>.text-link{font-size:11px;display:flex;align-items:center;gap:10px;margin-top:19px;padding-left:0;border:0}
.lesson-toc>.text-link .icon{width:14px;height:14px}
.lesson-toc-progress{border-top:1px solid #aaa;padding-top:22px;margin-top:22px}
.lesson-toc-progress>span{display:block;font-size:25px;line-height:1.3;letter-spacing:-.04em;color:#444;margin-bottom:14px}
.lesson-toc-progress progress{height:4px;background:#b5b5b5}
.lesson-toc-progress progress::-webkit-progress-bar{background:#b5b5b5}
.lesson-toc-progress progress::-webkit-progress-value{background:#333}
.lesson-toc-progress progress::-moz-progress-bar{background:#333}
.lesson-toc-progress>p{font-size:10px;line-height:1.8;color:#777;margin-top:10px}
.lesson-paper{max-width:none;background:#fafaf8;border:1px solid #c6c6c4;padding:36px 42px 31px;box-shadow:5px 5px 0 #c7c7c5;min-width:0}
.lesson-paper .lesson-outcome{background:#e5e5e2;border-left:0;border-top:2px solid #797979;padding:23px 26px;margin:0 0 27px}
.lesson-paper .lesson-outcome>span{font-size:10px;color:#6c6c6c;margin-bottom:10px}
.lesson-paper .lesson-outcome>p{font-size:14px;line-height:1.9;color:#4e4e4e;margin:0}
.lesson-paper .lesson-steps article{padding:27px 0 30px 37px;scroll-margin-top:20px}
.lesson-paper .lesson-steps article:first-child{border-top:0}
.lesson-paper .lesson-steps article>span:first-child{top:31px;font-size:10px;color:#939393}
.lesson-paper .lesson-steps h2{font-size:27px;line-height:1.3;letter-spacing:-.035em;margin-bottom:15px}
.lesson-paper .lesson-steps p{font-size:15px;line-height:1.95;color:#5c5c5c;max-width:750px}
.lesson-paper .lesson-example{background:#2a2a2a;color:#e9e9e9;border:0;padding:29px 30px;margin:31px -12px;position:relative}
.lesson-paper .lesson-example .section-label{color:#9f9f9f;font-size:10px;letter-spacing:.025em;margin-bottom:17px}
.lesson-paper .lesson-example h2{font-size:26px;line-height:1.3;color:#f0f0f0;margin-bottom:16px}
.lesson-paper .lesson-example p{font-size:14px;line-height:1.95;color:#bcbcbc}
.lesson-paper .lesson-exercise{background:#e7e7e4;border:1px solid #cececa;padding:27px 28px 30px;margin:0 -12px 29px;scroll-margin-top:20px}
.lesson-paper .lesson-exercise .section-label{font-size:10px;color:#747474;margin-bottom:17px}
.lesson-paper .lesson-exercise h2{font-size:27px;line-height:1.3;margin-bottom:17px}
.lesson-paper .lesson-exercise>p:not(.section-label){font-size:14px;line-height:1.95;color:#5e5e5e}
.lesson-paper .lesson-checklist{border-top:1px solid #b6b6b3;margin:30px 0 0;padding-top:25px;scroll-margin-top:20px}
.lesson-paper .lesson-checklist h2{font-size:25px;line-height:1.3;margin-bottom:15px}
.lesson-paper .lesson-checklist li{font-size:13px;line-height:1.9;padding:15px 0;gap:13px;color:#626262}
.lesson-paper .lesson-checklist input{width:17px;height:17px}
.lesson-paper .lesson-controls{gap:20px;padding-top:24px;margin-top:24px}
.lesson-paper .lesson-controls>button{font-size:11px;padding:12px 17px;min-height:45px;gap:13px}
.lesson-paper .lesson-controls>a{font-size:11px;gap:10px}
.lesson-paper .progress-note{font-size:10px;line-height:1.9;color:#858585;margin-top:17px}

/* Closing invitation and the matching homepage entrance to learning. */
.knowledge-cta{background:#282828;color:#eee;padding:67px 0 70px;border-top:1px solid #484848}
.knowledge-cta>.container{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,.65fr);align-items:center;gap:85px}
.knowledge-cta .knowledge-kicker{color:#a0a0a0;margin-bottom:20px}
.knowledge-cta h2{font-size:clamp(33px,3.5vw,46px);line-height:1.16;letter-spacing:-.04em}
.knowledge-cta>.container>div:last-child{max-width:350px;justify-self:end}
.knowledge-cta>.container>div:last-child>p{font-size:14px;line-height:1.9;color:#b1b1b1}
.knowledge-cta .button{font-size:12px;margin-top:24px}
.learning-home{background:#232323;color:#eee;padding:50px 0;border-top:1px solid #454545;border-bottom:1px solid #454545}
.learning-home-inner{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;gap:65px}
.learning-home .section-label{font-size:11px;color:#aaa;margin-bottom:22px}
.learning-home h2{font-size:clamp(33px,3.7vw,49px);line-height:1.16;color:#f0f0f0;max-width:670px}
.learning-home-inner>div:first-child>p:not(.section-label){font-size:14px;line-height:1.85;color:#aaa;margin-top:22px;max-width:460px}
.learning-home-inner>div:first-child>.button{font-size:12px;margin-top:28px;background:#efefef;color:#262626}
.learning-home-inner>div:first-child>.button:hover{background:#ccc}
.learning-home-visual{position:relative;min-width:0;border:1px solid #464646;background:#202122;max-width:480px;justify-self:end;width:100%}
.learning-home-visual>img{width:100%;height:auto;max-height:280px;object-fit:cover}
.learning-home-visual>span{display:block;color:#a7a7a7;border-top:1px solid #454545;padding:14px 20px;font-size:10px;line-height:1.8;letter-spacing:.04em}

/* Tablet composition. */
@media(max-width:1150px){
 .knowledge-hero-grid,.resource-hero .knowledge-hero-grid{gap:40px;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
 .knowledge-hero h1{font-size:52px}
 .knowledge-lead{font-size:15px}
 .learning-map li>a{padding:14px 17px;gap:11px;font-size:12px;min-height:65px}
 .learning-map li{margin-left:calc(var(--step)*7px);margin-right:calc((4 - var(--step))*7px)}
 .map-caption{font-size:9px;gap:12px}
 .path-selector{grid-template-columns:215px minmax(0,1fr);gap:21px}
 .path-panel{padding:29px 27px;gap:25px;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
 .path-panel h3{font-size:27px}
 .path-outline{padding-left:20px}
 .curriculum-chapter{grid-template-columns:35px 155px minmax(0,1fr) 75px;gap:23px}
 .chapter-description h3{font-size:24px}
 .chapter-description p{font-size:12px}
 .library-layout{grid-template-columns:235px minmax(0,1fr);gap:30px}
 .library-browser{padding:24px 21px}
 .library-item{grid-template-columns:120px minmax(0,1fr) 23px;gap:20px}
 .library-item h2{font-size:22px}
 .library-item-arrow{width:23px}
 .library-item-copy>p{font-size:12px}
 .library-results-heading h2{font-size:30px}
 .featured-resource-caption{padding:23px}
 .featured-resource-caption h2{font-size:26px}
 .lesson-reading-layout{grid-template-columns:175px minmax(0,1fr);gap:28px}
 .lesson-paper{padding:31px 33px 29px}
 .lesson-masthead>.container{gap:38px;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}
 .lesson-masthead h1{font-size:46px}
 .lesson-masthead-art>span{font-size:40px;bottom:32px}
 .course-index a{padding-left:14px;padding-right:14px;gap:10px;font-size:11px}
}
@media(max-width:900px){
 .knowledge-hero{padding-top:42px}
 .knowledge-hero-grid,.resource-hero .knowledge-hero-grid{grid-template-columns:1fr;gap:40px}
 .knowledge-hero h1{font-size:55px;max-width:700px}
 .knowledge-lead{font-size:16px;max-width:620px}
 .knowledge-hero-actions{margin-top:25px}
 .knowledge-facts{margin-top:29px}
 .learning-map{justify-self:start;max-width:610px;padding-left:0}
 .learning-map li{margin-left:calc(var(--step)*14px);margin-right:calc((4 - var(--step))*14px)}
 .learning-map li>a{min-height:61px;padding:15px 25px;grid-template-columns:35px minmax(0,1fr) 15px;font-size:14px;gap:22px}
 .map-caption{font-size:10px}
 .learning-map>p{margin-left:57px;font-size:11px;max-width:440px}
 .course-progress{grid-template-columns:minmax(0,1fr) minmax(130px,.8fr);gap:18px 30px;margin-top:35px;padding:22px 0}
 .course-progress-note{grid-column:1/-1;font-size:10px}
 .path-section{padding:55px 0 61px}
 .knowledge-section-heading{gap:35px;align-items:flex-end}
 .knowledge-section-heading h2{font-size:36px}
 .knowledge-section-heading>p{max-width:270px;font-size:12px}
 .path-selector{grid-template-columns:1fr;gap:18px}
 .path-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid #bababa}
 .path-tabs>button{grid-template-columns:17px minmax(0,1fr);padding:18px 15px;gap:10px;border-bottom:0;border-right:1px solid #bababa;height:100%}
 .path-tabs>button:last-child{border-right:0}
 .path-tabs strong{font-size:14px}
 .path-tabs small{font-size:10px;line-height:1.7}
 .path-tabs .icon{display:none}
 .path-panel{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);padding:31px;gap:30px;min-height:0}
 .path-panel h3{font-size:29px}
 .path-panel-copy>p:not(.knowledge-kicker){font-size:13px}
 .path-outline li>a{font-size:11px;padding:15px 0}
 .curriculum-section{padding:55px 0 62px}
 .curriculum-chapter{grid-template-columns:28px 132px minmax(0,1fr);gap:20px;position:relative;padding:25px 0}
 .chapter-index{font-size:24px;grid-column:1;grid-row:1}
 .chapter-cover{grid-column:2;grid-row:1}
 .chapter-description{grid-column:3;grid-row:1;min-height:120px;padding-right:0}
 .chapter-description h3{font-size:22px}
 .chapter-description p{font-size:12px;line-height:1.85;margin-top:11px}
 .chapter-action{grid-column:3;display:flex;flex-direction:row;align-items:center;justify-content:space-between;width:100%;gap:15px;margin-top:-5px}
 .chapter-arrow{width:32px;height:32px}
 .chapter-action>span:first-child{font-size:10px}
 .featured-resource{display:grid;grid-template-columns:1fr 1fr;width:100%;max-width:720px;margin:0}
 .featured-resource-art{aspect-ratio:auto;min-height:200px}
 .featured-resource-art>span{font-size:9px;left:19px;bottom:14px}
 .featured-resource-caption{border-top:0;border-left:1px solid #4a4a4a;align-items:center;padding:25px;gap:14px}
 .featured-resource-caption h2{font-size:26px}
 .featured-resource-caption h2 br{display:none}
 .featured-resource-caption .knowledge-kicker{font-size:9px;line-height:1.7}
 .featured-resource-arrow{width:31px;height:31px}
 .resource-hero{padding-bottom:43px}
 .resource-workbench{padding:45px 0 58px}
 .library-layout{grid-template-columns:1fr;gap:34px}
 .library-browser{position:static;max-height:none;overflow:visible;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:20px 28px;padding:25px 27px}
 .library-browser-heading{grid-column:1;grid-row:1}
 .library-browser-heading h2{font-size:28px}
 .library-search{grid-column:2;grid-row:1;margin:0;align-self:center}
 .library-filter-group{grid-column:1;grid-row:2;margin:0;padding-top:17px}
 .library-filter-group.topic-group{grid-column:2;grid-row:2}
 .library-topics{display:flex;flex-direction:row;flex-wrap:wrap;gap:5px 16px}
 .library-topics>button{width:auto;padding:3px 0;font-size:10px;gap:8px}
 .library-topics>button>span:last-child{display:none}
 .library-learning-link{grid-column:1/-1;margin:0;padding-top:17px;display:flex;align-items:center;justify-content:space-between;gap:20px}
 .library-learning-link>span{margin:0}
 .library-learning-link>strong{gap:13px}
 .library-results-heading{padding-bottom:21px}
 .library-results-heading h2{font-size:32px}
 .library-item{grid-template-columns:130px minmax(0,1fr) 30px;gap:24px}
 .library-item h2{font-size:24px}
 .library-item-copy>p{font-size:13px}
 .lesson-masthead{padding-top:25px;padding-bottom:33px}
 .lesson-masthead>.container{grid-template-columns:minmax(0,1fr) 230px;gap:29px}
 .lesson-masthead .breadcrumb{margin-bottom:27px}
 .lesson-masthead h1{font-size:38px}
 .lesson-masthead .knowledge-lead{font-size:13px;line-height:1.85}
 .lesson-masthead-art>span{font-size:35px;right:15px;bottom:40px}
 .lesson-masthead-art img{height:235px;max-height:none;object-fit:cover}
 .course-index a{font-size:10px;padding:14px 12px;gap:9px;min-height:57px}
 .course-index a>span{font-size:9px}
 .lesson-reading-layout{grid-template-columns:1fr;gap:25px;padding-top:30px;padding-bottom:49px}
 .lesson-toc{position:relative;top:0;display:block;padding:0 0 22px;border-bottom:1px solid #aaa}
 .lesson-toc a{display:inline-block;border:0;font-size:11px;padding:6px 22px 6px 0}
 .lesson-toc-progress{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:16px;padding-top:16px}
 .lesson-toc-progress>span{font-size:18px;line-height:1.3;margin:0}
 .lesson-toc-progress progress{width:150px}
 .lesson-toc-progress>p{font-size:10px;margin:0}
 .lesson-toc>.text-link{display:inline-flex;margin-top:10px}
 .lesson-paper{padding:33px 36px 28px;box-shadow:4px 4px 0 #c7c7c5}
 .knowledge-cta{padding:51px 0 54px}
 .knowledge-cta>.container{gap:45px;grid-template-columns:minmax(0,1fr) minmax(0,.75fr)}
 .knowledge-cta h2{font-size:36px}
 .knowledge-cta>.container>div:last-child>p{font-size:13px}
 .learning-home-inner{gap:34px;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}
 .learning-home h2{font-size:35px}
 .learning-home-inner>div:first-child>p:not(.section-label){font-size:13px}
 .learning-home-visual>img{height:260px;object-fit:cover}
}

/* Small screens retain the visual sequence without horizontal overflow. */
@media(max-width:650px){
 .knowledge-nav>.container{min-height:50px;gap:16px}
 .knowledge-nav-brand{font-size:10px}
 .knowledge-nav-brand>span{padding:0 7px}
 .knowledge-nav>.container>div{gap:17px}
 .knowledge-nav a{font-size:10px;padding:15px 0}
 .knowledge-nav .knowledge-nav-platform{display:none}
 .knowledge-hero{padding-top:32px}
 .knowledge-hero-grid,.resource-hero .knowledge-hero-grid{gap:31px}
 .knowledge-hero .knowledge-kicker{font-size:10px;margin-bottom:18px}
 .knowledge-hero h1{font-size:40px;line-height:1.1;letter-spacing:-.05em;max-width:520px;text-wrap:initial}
 .knowledge-hero h1 br{display:none}
 .knowledge-lead{font-size:14px;line-height:1.9;margin-top:21px}
 .knowledge-hero-actions{gap:18px 24px;margin-top:25px;align-items:flex-start}
 .knowledge-hero-actions .button{font-size:11px;min-height:45px;padding:12px 18px;gap:17px}
 .knowledge-hero-actions .text-link{font-size:11px;min-height:40px}
 .knowledge-facts{margin-top:25px;gap:13px 24px;font-size:10px}
 .knowledge-facts b{font-size:15px}
 .learning-map{max-width:500px}
 .map-caption{padding-bottom:15px;gap:12px;font-size:9px}
 .learning-map li{margin-left:calc(var(--step)*7px);margin-right:calc((4 - var(--step))*7px)}
 .learning-map li>a{grid-template-columns:25px minmax(0,1fr) 13px;gap:12px;min-height:58px;font-size:12px;padding:13px 17px}
 .learning-map .map-number{font-size:10px}
 .learning-map .icon{width:13px;height:13px}
 .learning-map li:hover{transform:translateX(-3px)}
 .learning-map>p{font-size:10px;margin:15px 0 0 28px;max-width:260px}
 .course-progress{grid-template-columns:minmax(0,1fr);gap:14px;margin-top:29px;padding:22px 0}
 .course-progress>div{display:flex;justify-content:space-between;align-items:center;gap:15px}
 .course-progress .knowledge-kicker{font-size:9px;margin:0}
 .course-progress strong{font-size:11px;text-align:right;max-width:190px}
 .course-progress-note{font-size:9px}
 .path-section{padding:42px 0 46px;scroll-margin-top:10px}
 .knowledge-section-heading{display:block;margin-bottom:25px}
 .knowledge-section-heading .knowledge-kicker{font-size:10px;margin-bottom:15px}
 .knowledge-section-heading h2{font-size:32px;line-height:1.18;letter-spacing:-.04em}
 .knowledge-section-heading>p{font-size:13px;line-height:1.85;max-width:450px;margin-top:18px;padding:0}
 .path-selector{gap:15px}
 .path-tabs{grid-template-columns:1fr}
 .path-tabs>button{display:grid;grid-template-columns:24px minmax(0,1fr) 15px;gap:12px;padding:15px 17px;border-right:0;border-bottom:1px solid #bababa}
 .path-tabs>button:last-child{border-bottom:0}
 .path-tabs .icon{display:block;width:14px;height:14px}
 .path-tabs strong{font-size:14px}
 .path-tabs small{font-size:10px;margin-top:3px}
 .path-tab-index{font-size:9px}
 .path-panel{grid-template-columns:1fr;gap:27px;padding:25px 23px;box-shadow:3px 3px 0 #d8d8d6}
 .path-panel h3{font-size:28px;line-height:1.2;margin-bottom:17px}
 .path-panel-copy>.knowledge-kicker{font-size:9px;margin-bottom:16px}
 .path-panel-copy>p:not(.knowledge-kicker){font-size:13px;line-height:1.9}
 .path-outcome{margin-top:22px;padding-top:17px}
 .path-outcome>span{font-size:9px}
 .path-outcome>p{font-size:12px;line-height:1.9}
 .path-panel-copy>.text-link{font-size:11px;margin-top:21px}
 .path-outline{border-left:0;border-top:1px solid #c8c8c8;padding-left:0;padding-top:20px}
 .path-outline>.knowledge-kicker{font-size:9px;margin-bottom:13px}
 .path-outline li>a{padding:13px 0;grid-template-columns:21px minmax(0,1fr) 13px;gap:14px;font-size:11px}
 .curriculum-section{padding:42px 0 48px}
 .curriculum-chapter{grid-template-columns:27px minmax(0,1fr) 89px;gap:16px 13px;padding:23px 0;align-items:start}
 .chapter-index{grid-column:1;grid-row:1;font-size:22px;padding-top:2px}
 .chapter-cover{grid-column:3;grid-row:1;width:89px;aspect-ratio:1;align-self:start}
 .chapter-description{grid-column:2;grid-row:1;min-height:0;padding-right:0}
 .chapter-description>.knowledge-kicker{font-size:8px;line-height:1.8;margin-bottom:9px}
 .chapter-description h3{font-size:21px;line-height:1.25;letter-spacing:-.04em}
 .chapter-description p{font-size:11px;line-height:1.85;margin-top:12px}
 .chapter-action{grid-column:2/4;grid-row:2;flex-direction:row;justify-content:space-between;align-items:center;margin:0}
 .chapter-action>span:first-child{font-size:9px}
 .chapter-arrow{width:30px;height:30px}
 .chapter-arrow .icon{width:14px;height:14px}
 .resource-hero{padding-bottom:34px}
 .featured-resource{display:block;max-width:520px}
 .featured-resource-art{aspect-ratio:1.95;min-height:0}
 .featured-resource-art>span{font-size:8px;bottom:13px;left:19px;right:19px}
 .featured-resource-caption{border-left:0;border-top:1px solid #494949;padding:22px 21px;display:flex;align-items:center;gap:20px}
 .featured-resource-caption .knowledge-kicker{font-size:9px;margin-bottom:13px}
 .featured-resource-caption h2{font-size:27px;line-height:1.2;max-width:310px}
 .featured-resource-arrow{width:34px;height:34px}
 .resource-workbench{padding:30px 0 43px;scroll-margin-top:10px}
 .library-layout{gap:28px}
 .library-browser{display:block;padding:24px 22px}
 .library-browser-heading>.knowledge-kicker{font-size:9px;margin-bottom:10px}
 .library-browser-heading h2{font-size:30px}
 .library-search{margin-top:21px}
 .library-search label{font-size:10px}
 .library-search input{font-size:12px;min-height:43px}
 .library-filter-group{margin-top:20px;padding-top:17px}
 .library-filter-group>p{font-size:9px;margin-bottom:12px}
 .library-browser .resource-filters{gap:7px}
 .library-browser .resource-filters button{font-size:10px;min-height:33px;padding:7px 13px}
 .library-topics{gap:7px 17px}
 .library-topics>button{font-size:10px;line-height:1.7;padding:4px 0}
 .library-learning-link{margin-top:21px;display:block;padding-top:17px}
 .library-learning-link>span{font-size:9px;margin-bottom:8px}
 .library-learning-link>strong{font-size:11px}
 .library-results-heading .knowledge-kicker{font-size:9px;line-height:1.7;margin-bottom:12px}
 .library-results-heading h2{font-size:29px;line-height:1.2;letter-spacing:-.04em}
 .library-results-meta{font-size:10px;margin-top:19px;gap:15px}
 .library-results-meta button{font-size:9px}
 .library-item{grid-template-columns:78px minmax(0,1fr);gap:15px;padding:23px 0;position:relative;align-items:start}
 .library-cover{grid-column:1;grid-row:1;aspect-ratio:.85}
 .library-cover>span{font-size:8px;bottom:8px;left:8px}
 .library-item-copy{grid-column:2;grid-row:1}
 .library-item-meta{font-size:8px;line-height:1.7;gap:6px 10px;margin-bottom:10px}
 .library-item-meta>span:first-child{padding:2px 5px}
 .library-item h2{font-size:21px;line-height:1.26;letter-spacing:-.035em;padding-right:0}
 .library-item-copy>p{font-size:12px;line-height:1.9;margin-top:11px}
 .library-item-arrow{grid-column:1;grid-row:2;justify-self:start;margin-top:-5px;width:29px;height:29px;border:1px solid #b0b0b0;border-radius:50%;display:grid}
 .library-item-arrow .icon{width:14px;height:14px}
 .library-results .resource-empty{padding:30px 0 31px}
 .resource-empty .empty-symbol{font-size:55px;margin-bottom:16px}
 .library-results .resource-empty h2{font-size:26px}
 .library-results .resource-empty p{font-size:13px;line-height:1.85}
 .library-results .resource-empty .button{font-size:11px;margin-top:21px}
 .lesson-masthead{padding:24px 0 28px}
 .lesson-masthead>.container{grid-template-columns:1fr;gap:24px}
 .lesson-masthead .breadcrumb{font-size:9px;margin-bottom:29px;gap:9px}
 .lesson-masthead .knowledge-kicker{font-size:9px;line-height:1.7;margin-bottom:16px}
 .lesson-masthead h1{font-size:37px;line-height:1.12;letter-spacing:-.045em;text-wrap:initial}
 .lesson-masthead .knowledge-lead{font-size:14px;line-height:1.9;margin-top:20px}
 .lesson-masthead-art{height:168px;overflow:hidden;border:1px solid #454545;background:#202122}
 .lesson-masthead-art img{height:100%;width:100%;max-height:none;object-fit:cover;border:0;object-position:center 45%}
 .lesson-masthead-art>span{font-size:50px;right:18px;bottom:17px;color:#c9c9c9}
 .lesson-masthead-art small{font-size:11px}
 .course-index>.container{width:100%;grid-template-columns:repeat(5,minmax(0,1fr))}
 .course-index a{padding:12px 6px;min-height:66px;font-size:9px;line-height:1.5;gap:5px;flex-direction:column;justify-content:flex-start;text-align:center}
 .course-index a>span{font-size:8px}
 .lesson-reading-layout{gap:23px;padding-top:25px;padding-bottom:34px}
 .lesson-toc{padding-bottom:19px}
 .lesson-toc>p{font-size:9px;margin-bottom:8px}
 .lesson-toc a{font-size:10px;line-height:1.8;padding:6px 15px 6px 0}
 .lesson-toc-progress{gap:13px;margin-top:13px;padding-top:14px}
 .lesson-toc-progress>span{font-size:19px}
 .lesson-toc-progress progress{width:105px;height:4px}
 .lesson-toc-progress>p{font-size:9px}
 .lesson-toc>.text-link{font-size:10px;gap:9px;margin-top:9px}
 .lesson-paper{padding:23px 20px 23px;box-shadow:3px 3px 0 #c7c7c5}
 .lesson-paper .lesson-outcome{padding:20px;margin-bottom:18px}
 .lesson-paper .lesson-outcome>span{font-size:9px;line-height:1.8;margin-bottom:9px}
 .lesson-paper .lesson-outcome>p{font-size:13px;line-height:1.9}
 .lesson-paper .lesson-steps article{padding:24px 0 25px 25px}
 .lesson-paper .lesson-steps article>span:first-child{font-size:9px;top:28px}
 .lesson-paper .lesson-steps h2{font-size:23px;line-height:1.3;letter-spacing:-.035em;margin-bottom:14px}
 .lesson-paper .lesson-steps p{font-size:14px;line-height:1.95}
 .lesson-paper .lesson-example{margin:26px -9px;padding:25px 23px}
 .lesson-paper .lesson-example .section-label{font-size:9px;margin-bottom:15px}
 .lesson-paper .lesson-example h2{font-size:24px;line-height:1.3;margin-bottom:15px}
 .lesson-paper .lesson-example p{font-size:13px;line-height:1.95}
 .lesson-paper .lesson-exercise{padding:24px 22px;margin:0 -9px 25px}
 .lesson-paper .lesson-exercise .section-label{font-size:9px;margin-bottom:15px}
 .lesson-paper .lesson-exercise h2{font-size:24px;line-height:1.3;margin-bottom:14px}
 .lesson-paper .lesson-exercise>p:not(.section-label){font-size:13px;line-height:1.95}
 .lesson-paper .lesson-checklist{margin-top:25px;padding-top:23px}
 .lesson-paper .lesson-checklist h2{font-size:24px;line-height:1.3}
 .lesson-paper .lesson-checklist li{font-size:12px;line-height:1.9;padding:14px 0;gap:11px}
 .lesson-paper .lesson-checklist input{width:16px;height:16px}
 .lesson-paper .lesson-controls{display:flex;flex-direction:column;align-items:flex-start;gap:20px;margin-top:21px;padding-top:23px}
 .lesson-paper .lesson-controls>button{font-size:11px;max-width:100%;text-align:left}
 .lesson-paper .lesson-controls>a{font-size:11px;max-width:100%;text-align:left}
 .lesson-paper .progress-note{font-size:9px;line-height:1.9;margin-top:18px}
 .knowledge-cta{padding:43px 0 46px}
 .knowledge-cta>.container{grid-template-columns:1fr;gap:25px}
 .knowledge-cta .knowledge-kicker{font-size:10px;margin-bottom:18px}
 .knowledge-cta h2{font-size:34px;line-height:1.17}
 .knowledge-cta>.container>div:last-child{justify-self:start;max-width:360px}
 .knowledge-cta>.container>div:last-child>p{font-size:13px;line-height:1.9}
 .knowledge-cta .button{font-size:11px;margin-top:23px}
 .learning-home{padding:39px 0 41px}
 .learning-home-inner{grid-template-columns:1fr;gap:30px}
 .learning-home .section-label{font-size:10px;margin-bottom:19px}
 .learning-home h2{font-size:33px;line-height:1.2}
 .learning-home-inner>div:first-child>p:not(.section-label){font-size:13px;line-height:1.85;margin-top:19px}
 .learning-home-inner>div:first-child>.button{font-size:11px;margin-top:24px}
 .learning-home-visual{justify-self:start;max-width:470px}
 .learning-home-visual>img{height:195px;max-height:none;object-fit:cover}
 .learning-home-visual>span{font-size:9px;padding:12px 17px}
}
@media(max-width:380px){
 .knowledge-nav-brand{font-size:9px}
 .knowledge-nav-brand>span{padding:0 6px}
 .knowledge-nav>.container>div{gap:13px}
 .knowledge-nav a{font-size:9px}
 .knowledge-hero h1{font-size:36px}
 .knowledge-hero-actions{gap:14px}
 .learning-map li>a{font-size:11px;grid-template-columns:22px minmax(0,1fr) 12px;gap:9px;padding:13px 14px}
 .course-progress strong{font-size:10px;max-width:165px}
 .curriculum-chapter{grid-template-columns:22px minmax(0,1fr) 70px;gap:14px 10px}
 .chapter-cover{width:70px}
 .chapter-description h3{font-size:20px}
 .chapter-description p{font-size:11px}
 .chapter-index{font-size:20px}
 .library-item{grid-template-columns:67px minmax(0,1fr);gap:13px}
 .library-item h2{font-size:20px}
 .library-item-meta{font-size:8px}
 .lesson-masthead h1{font-size:34px}
 .lesson-paper{padding:21px 17px}
 .lesson-paper .lesson-steps article{padding-left:23px}
 .lesson-paper .lesson-steps h2{font-size:22px}
}
@media(prefers-reduced-motion:reduce){
 .learning-map li,.chapter-cover img,.curriculum-chapter,.chapter-arrow,.featured-resource-art img,.featured-resource-arrow,.path-tabs>button,.library-cover img,.library-item-arrow .icon,.course-index a{transition:none}
 .learning-map li:hover,.curriculum-chapter:hover .chapter-cover img,.featured-resource:hover .featured-resource-art img,.library-item:hover .library-cover img,.library-item-arrow:hover .icon{transform:none}
}

/* Keep instructional copy and browse controls comfortable to read. */
.path-panel-copy>p:not(.knowledge-kicker),.path-outcome>p,.chapter-description p,.library-item-copy>p{font-size:15px;line-height:1.8}
.path-outline li>a,.library-topics>button{font-size:13px;min-height:40px}
.library-search input{font-size:14px}
.library-item-meta,.chapter-description>.knowledge-kicker{font-size:11px}
.library-results-meta,.library-results-meta button{font-size:12px}
.lesson-paper .lesson-steps p{font-size:16px}
.lesson-paper .lesson-outcome>p,.lesson-paper .lesson-example p,.lesson-paper .lesson-exercise>p:not(.section-label){font-size:15px}
.lesson-paper .lesson-checklist li{font-size:14px}
.lesson-toc a{font-size:12px}
.course-index a{font-size:13px}
@media(max-width:650px){
 .path-panel-copy>p:not(.knowledge-kicker),.path-outcome>p,.chapter-description p,.library-item-copy>p{font-size:14px;line-height:1.85}
 .library-search input{font-size:16px}
 .library-topics>button{font-size:12px;min-height:40px}
 .library-browser .resource-filters button{font-size:12px;min-height:38px}
 .library-item-meta,.chapter-description>.knowledge-kicker{font-size:10px}
 .course-index a{font-size:11px;padding-right:4px;padding-left:4px;overflow-wrap:anywhere}
 .knowledge-lead,.lesson-masthead .knowledge-lead{font-size:15px}
 .learning-map li>a{font-size:13px}
}