:root{--learn-ink:#142d2b;--learn-muted:#63716b;--learn-paper:#f7f9f5;--learn-line:#dce4dc;--learn-green:#225c46;--learn-lime:#dbf98c;--learn-radius:20px}
.learning-site{margin:0;background:var(--learn-paper);color:var(--learn-ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.learning-site *{box-sizing:border-box}.learning-site a{color:inherit;text-decoration:none}.learning-site button,.learning-site input,.learning-site select{font:inherit}.learning-site img{max-width:100%}.learning-container{width:min(1240px,calc(100% - 80px));margin-inline:auto}.learning-header{background:#f7f9f5f2;border-bottom:1px solid var(--learn-line)}.header-inner{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:28px}.learning-brand{display:flex;align-items:center;gap:12px;font-weight:750;line-height:1.15;letter-spacing:-.7px;font-size:21px}.learning-brand small{display:block;font-size:9px;letter-spacing:3px;margin-top:7px;font-weight:600}.brand-mark{display:grid;place-content:center;background:var(--learn-ink);color:white;width:45px;height:45px;border-radius:13px;font-size:35px;display:block;text-align:center}.brand-mark span{color:var(--learn-lime)}.learning-nav,.header-tools{display:flex;align-items:center;gap:30px}.learning-nav a{font-size:14px;font-weight:600;padding-block:12px}.learning-nav a:hover,.learning-nav a[aria-current]{color:var(--learn-green);text-decoration:underline;text-underline-offset:8px}.header-tools{gap:20px}.learning-site .learning-button{display:inline-flex;align-items:center;justify-content:center;gap:22px;border:1px solid var(--learn-green);background:var(--learn-green);color:#fff;border-radius:9px;padding:14px 23px;font-size:14px;font-weight:650;cursor:pointer;transition:background .2s,transform .2s;white-space:nowrap}.learning-site .learning-button:hover{background:#153e30;transform:translateY(-2px)}.learning-site .compact{padding:10px 17px}.language-menu{position:relative;font-size:13px}.language-menu summary{cursor:pointer;padding:10px}.language-menu>div{position:absolute;right:0;z-index:5;background:white;border:1px solid var(--learn-line);padding:10px;border-radius:9px;min-width:120px;box-shadow:0 12px 35px #142d2b15}.language-menu a{display:block;padding:7px}.learning-hero{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:80px;padding-block:85px 76px}.eyebrow{font-size:11px;letter-spacing:2px;text-transform:uppercase;font-weight:750;color:var(--learn-green);margin:0 0 20px}.status-dot{display:inline-block;width:7px;height:7px;background:#72b28c;border-radius:50%;margin-right:8px}.learning-site h1,.learning-site h2,.learning-site h3{line-height:1.13;letter-spacing:-1.5px;margin:0;text-wrap:balance}.hero-copy h1{font-size:clamp(40px,4.4vw,65px);font-weight:650;max-width:650px}.hero-description{color:var(--learn-muted);max-width:510px;font-size:16px;margin:25px 0 29px}.hero-actions{display:flex;gap:25px;align-items:center}.text-link{font-size:14px;font-weight:650}.text-link span{margin-left:10px}.hero-facts{display:flex;gap:38px;margin-top:38px}.hero-facts strong{font-size:24px;line-height:1.3;font-weight:650}.hero-facts span{display:block;color:var(--learn-muted);font-size:11px;font-weight:500;margin-top:4px}.hero-visual{position:relative;background:#152e2b;color:#e6efe8;border-radius:18px;box-shadow:15px 18px 0 #e4ecd9;transform:rotate(2deg);font:13px/1.95 ui-monospace,SFMono-Regular,Consolas,monospace}.visual-top{padding:19px 23px;display:flex;justify-content:space-between;border-bottom:1px solid #ffffff15;color:#a8bbb4;font-size:11px}.terminal-dots{letter-spacing:4px;color:#aec2ac}.visual-code{padding:28px 27px}.code-muted{color:#9baea5}.code-purple{color:#d9beff}.code-green{color:var(--learn-lime)}.terminal-cursor{color:var(--learn-lime)}.skill-orbit{display:flex;gap:8px;padding:0 25px 24px;flex-wrap:wrap}.skill-orbit span{padding:5px 12px;border:1px solid #ffffff26;border-radius:5px;font-size:11px}.visual-bottom{padding:14px 25px;border-top:1px solid #ffffff15;color:#c1d1c8;font-size:11px;display:flex;align-items:center}.visual-bottom>span:last-child{margin-left:auto}.topics-band{border-block:1px solid var(--learn-line);background:#eef2ea}.topics-band>div{display:flex;justify-content:space-between;gap:24px;padding-block:23px;font-size:12px;font-weight:700;letter-spacing:2px;color:#65776a}.catalog-section{padding-block:65px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}.section-heading .eyebrow{margin-bottom:12px}.section-heading h1,.section-heading h2{font-size:clamp(29px,3vw,40px);font-weight:600}.result-count{color:var(--learn-muted);font-size:13px;white-space:nowrap}.catalog-search{display:flex;gap:12px;background:white;padding:12px;border:1px solid var(--learn-line);border-radius:13px;margin-bottom:30px}.catalog-search input,.catalog-search select{border:0;background:transparent;padding:10px 14px;min-width:0;color:var(--learn-ink)}.catalog-search input{flex:1}.catalog-search select{border-left:1px solid var(--learn-line);max-width:230px}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.learning-card{background:white;border:1px solid var(--learn-line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.learning-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #142d2b0d}.card-image{position:relative;background:#eaf0e7;display:block;overflow:hidden;aspect-ratio:2/1;border-bottom:1px solid var(--learn-line)}.card-image img{width:100%;height:100%;object-fit:contain;padding:22px}.card-type{position:absolute;top:14px;left:14px;background:#fffffff0;border-radius:4px;padding:3px 8px;font-size:8px;font-weight:750;letter-spacing:1px}.card-content{padding:23px;display:flex;flex-direction:column;flex:1}.card-category{font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--learn-green);margin:0 0 11px}.learning-card h3{font-size:20px;letter-spacing:-.5px;line-height:1.3}.learning-card h3 a:hover{text-decoration:underline;text-underline-offset:4px}.card-description{font-size:13px;line-height:1.7;color:var(--learn-muted);margin:14px 0 23px}.card-footer{margin-top:auto;padding-top:16px;border-top:1px solid #edf0eb;display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--learn-muted)}.card-footer a{font-weight:700;color:var(--learn-green)}.card-footer a span{margin-left:8px}.catalog-pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:34px}.catalog-pagination a{min-width:42px;min-height:42px;display:grid;place-content:center;border:1px solid var(--learn-line);border-radius:7px;background:white}.catalog-pagination a[aria-current]{background:var(--learn-green);color:white}.learning-callout{border-radius:18px;background:#e6eedc;padding:35px 40px;display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:55px}.learning-callout h2{font-size:29px;font-weight:600;max-width:600px}.learning-callout .eyebrow{margin-bottom:12px}.learning-footer{border-top:1px solid var(--learn-line);padding-block:32px;display:flex;gap:25px;align-items:center;justify-content:space-between}.learning-footer p,.learning-footer small,.learning-footer nav{font-size:11px;color:var(--learn-muted)}.learning-footer nav{display:flex;gap:18px}.learning-footer .learning-brand{font-size:16px}.learning-footer .learning-brand small{font-size:8px}.empty-state{text-align:center;padding:50px 10px}.empty-state p{color:var(--learn-muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:20px;top:-100px;z-index:10000;background:white;padding:14px;border:2px solid var(--learn-green)}.skip-link:focus{top:15px}.learning-site :focus-visible{outline:3px solid #8671be;outline-offset:4px;scroll-margin:25px}
@media(min-width:1600px){.learning-hero{padding-block:105px}.hero-copy h1{font-size:68px}}
@media(max-width:1000px){.learning-container{width:calc(100% - 48px)}.learning-hero{gap:35px;padding-block:60px}.learning-nav{gap:18px}.header-inner{gap:20px}.hero-actions{align-items:flex-start;flex-direction:column;gap:15px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-footer{flex-wrap:wrap}.hero-facts{gap:22px}.visual-code{padding:22px 18px;font-size:11px}.topics-band>div{font-size:10px;letter-spacing:1px}}
@media(max-width:700px){.learning-container{width:calc(100% - 32px)}.header-inner{flex-wrap:wrap;min-height:0;padding-block:18px;gap:16px}.learning-brand{font-size:18px}.brand-mark{width:38px;height:38px;font-size:29px}.learning-nav{order:3;width:100%;border-top:1px solid var(--learn-line);justify-content:space-between;padding-top:8px}.header-tools{gap:4px}.learning-site .compact{padding:9px 12px;font-size:12px}.learning-hero{grid-template-columns:1fr;padding-block:42px;gap:38px}.hero-copy h1{font-size:43px}.hero-description{font-size:15px}.hero-actions{flex-direction:row;align-items:center;flex-wrap:wrap;gap:20px}.hero-visual{transform:none;box-shadow:7px 8px 0 #e4ecd9}.visual-code{font-size:13px;padding:24px}.hero-facts{gap:35px}.topics-band>div{flex-wrap:wrap;justify-content:center;gap:12px 24px;padding-block:17px}.catalog-section{padding-block:40px}.section-heading{align-items:start;flex-direction:column;gap:13px}.section-heading h1,.section-heading h2{font-size:31px}.catalog-search{flex-wrap:wrap;gap:8px}.catalog-search input{flex-basis:100%;padding:10px 5px}.catalog-search select{border-left:0;flex:1;font-size:13px;padding:8px 4px;max-width:none}.catalog-search .learning-button{padding:11px 14px;font-size:12px;gap:12px}.course-grid{grid-template-columns:1fr;gap:20px}.card-image{aspect-ratio:2.2/1}.learning-callout{flex-direction:column;align-items:flex-start;padding:28px;margin-bottom:35px}.learning-callout h2{font-size:27px}.learning-footer{align-items:flex-start;gap:17px}.learning-footer p{flex-basis:100%;margin:0}.learning-footer nav{flex-wrap:wrap}.learning-footer>small{margin-left:auto}.learning-site .learning-button{white-space:normal}.visual-top{font-size:10px}}
@media(prefers-reduced-motion:reduce){.learning-site *{transition:none!important;scroll-behavior:auto!important}}
/* Shared skin for existing Bootstrap pages, including lessons and account screens. */
body:not(.learning-site){--md-primary:#225c46;--md-primary-600:#194633;--md-bg:#f7f9f5;--md-on-surface:#142d2b;--md-font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-family:var(--md-font);background:#f7f9f5;color:#142d2b}body:not(.learning-site) .page{background:#f7f9f5}body:not(.learning-site) .site-navbar{background:#173d31;color:white;box-shadow:none}body:not(.learning-site) .site-menubar{background:#fff;border-right:1px solid #dce4dc;box-shadow:none}body:not(.learning-site) .page-header{padding-top:36px;padding-bottom:28px}body:not(.learning-site) .page-title{font-weight:650;letter-spacing:-1px;color:#142d2b}body:not(.learning-site) .panel,body:not(.learning-site) .card{border:1px solid #dce4dc;border-radius:16px;box-shadow:0 4px 18px #142d2b05;overflow-wrap:anywhere}body:not(.learning-site) .btn-primary,body:not(.learning-site) .btn-success{background:#225c46;border-color:#225c46;color:white;border-radius:8px}body:not(.learning-site) .form-control{border-radius:8px;border-color:#c7d5ca;min-height:42px}body:not(.learning-site) .site-footer{background:#eef2ea;border-top:1px solid #dce4dc}body:not(.learning-site) .animsition,body.animsition{opacity:1!important}body:not(.learning-site) img{max-width:100%}body:not(.learning-site) :focus-visible{outline:3px solid #8671be;outline-offset:3px}body:not(.learning-site) pre{max-width:100%;overflow:auto}body:not(.learning-site) iframe{max-width:100%}@media(max-width:767px){body:not(.learning-site) .page-header,body:not(.learning-site) .page-content{padding:20px 16px}body:not(.learning-site) .page-title{font-size:27px}body:not(.learning-site) .panel-body{padding:20px}body:not(.learning-site) .page-header-actions{position:static;margin-top:18px;transform:none}body:not(.learning-site) .table-responsive{overflow-x:auto}}@media(prefers-reduced-motion:reduce){body:not(.learning-site) *,body:not(.learning-site) *:before,body:not(.learning-site) *:after{animation:none!important;transition:none!important}}
@media(max-width:700px){.learning-hero>*{min-width:0}.hero-description{max-width:100%}.hero-visual{width:100%}.visual-code{overflow-wrap:anywhere}.header-inner>*{min-width:0}}

/* Formation thumbnails: a shared green palette and a framed icon tile. */
.card-image.course-thumbnail {
  display: grid;
  place-items: center;
  padding: 40px 24px 22px;
  background: radial-gradient(ellipse at center, #f5f8ef 0%, #e6eedf 100%);
}
.course-icon-frame {
  display: grid;
  place-items: center;
  width: clamp(88px, 30%, 124px);
  aspect-ratio: 1;
  padding: 15px;
  background: #fff;
  border: 1px solid #becfbe;
  border-radius: 22px;
  box-shadow: 0 4px 12px #142d2b0a, 0 0 0 5px #ffffff70;
}
.course-thumbnail .course-icon-frame img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
  padding: 0;
  filter: grayscale(1) sepia(1) hue-rotate(85deg) saturate(.9);
}
@media (max-width: 700px) {
  .card-image.course-thumbnail { min-height: 160px; }
}
/* Course overview shares the public navigation and design tokens. */
.course-breadcrumb{display:flex;flex-wrap:wrap;gap:12px;padding:28px 0;font-size:12px;color:var(--learn-muted)}
.course-breadcrumb a:hover{text-decoration:underline}.course-notice{padding:12px 18px;background:#e6eedc;border-radius:8px}
.course-hero{display:grid;grid-template-columns:minmax(0,1fr) 260px;align-items:center;gap:60px;padding:28px 0 48px;border-bottom:1px solid var(--learn-line)}
.course-hero h1{font-size:clamp(32px,4vw,54px);font-weight:650;overflow-wrap:anywhere}.course-hero .hero-description{max-width:760px;margin:22px 0}
.course-meta{display:flex;flex-wrap:wrap;gap:10px}.course-meta span{font-size:12px;padding:5px 12px;background:#e6eedc;border-radius:6px;color:var(--learn-green)}
.course-emblem{display:flex;flex-direction:column;align-items:center;gap:24px;background:radial-gradient(ellipse,#f5f8ef,#e6eedf);padding:35px 20px;border:1px solid var(--learn-line);border-radius:22px}.course-emblem .course-icon-frame{width:126px}.course-emblem>span:last-child{font-size:11px;color:var(--learn-green);text-align:center}
.course-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px;padding:48px 0 65px}.course-main,.course-sidebar{min-width:0}.course-program h2,.course-section h2{font-size:29px;font-weight:600;letter-spacing:-.8px}.course-chapter{background:white;border:1px solid var(--learn-line);border-radius:14px;margin-bottom:16px;overflow:hidden}.course-chapter>summary{display:flex;align-items:center;gap:16px;cursor:pointer;padding:22px;list-style:none}.course-chapter>summary::-webkit-details-marker{display:none}.chapter-number{display:grid;place-items:center;flex-shrink:0;width:38px;height:38px;border-radius:10px;background:#eaf0e4;font-size:13px;font-weight:700;color:var(--learn-green)}.course-chapter summary strong{display:block;line-height:1.4;font-size:16px}.course-chapter summary small{display:block;font-size:11px;color:var(--learn-muted);margin-top:4px}.chapter-chevron{margin-left:auto;font-size:22px}.course-chapter:not([open]) .chapter-chevron{transform:rotate(-90deg)}.chapter-content{border-top:1px solid var(--learn-line)}.chapter-description{padding:18px 22px 0;margin:0;color:var(--learn-muted);font-size:13px}.lesson-list{list-style:none;margin:0;padding:8px 22px}.lesson-list li+li{border-top:1px solid #edf0eb}.lesson-link{display:flex;align-items:center;gap:14px;padding:16px 0}.lesson-link:hover .lesson-name{color:var(--learn-green);text-decoration:underline}.lesson-symbol{display:grid;place-items:center;width:30px;height:30px;flex-shrink:0;background:#f1f4ee;border-radius:8px;color:var(--learn-green);font-size:17px}.lesson-symbol.is-complete{background:#ddefd7}.lesson-name{font-size:14px;line-height:1.5;overflow-wrap:anywhere}.lesson-name small{display:block;color:var(--learn-muted);font-size:11px;margin-top:4px}.lesson-arrow{margin-left:auto;color:var(--learn-green);flex-shrink:0}.course-sidebar>section,.course-action-card{border:1px solid var(--learn-line);border-radius:16px;padding:25px;background:white;margin-bottom:22px}.course-action-card{background:#e6eedc}.course-action-card h2{font-size:25px;font-weight:600;margin-bottom:25px}.course-action-card .learning-button{width:100%;gap:10px;font-size:13px;padding:14px 12px}.course-action-card .eyebrow{font-size:9px}.course-secondary-link{display:block;text-align:center;font-size:12px;font-weight:650;padding-top:20px}.course-progress-label{display:flex;justify-content:space-between;font-size:12px;margin:24px 0 8px}.course-action-card progress{width:100%;height:8px;accent-color:var(--learn-green)}.course-teacher img{border-radius:50%;object-fit:cover;margin-bottom:14px}.course-teacher h3,.course-best h3{font-size:19px;line-height:1.4;letter-spacing:-.4px}.course-teacher p:not(.eyebrow){font-size:13px;color:var(--learn-muted)}.teacher-links{display:flex;gap:20px;font-size:12px;font-weight:600;color:var(--learn-green)}.course-best a:hover{text-decoration:underline}.course-section{margin-top:42px}.course-section>h2{margin-bottom:23px}.course-use-cases{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.course-info-card{border:1px solid var(--learn-line);border-radius:14px;padding:24px;background:white}.course-info-card h3{font-size:18px;letter-spacing:-.4px;line-height:1.4}.course-info-card p,.course-faq p{font-size:14px;color:var(--learn-muted);margin:14px 0 0}.course-faq details{border-bottom:1px solid var(--learn-line);padding:20px 0}.course-faq summary{cursor:pointer;font-size:15px;font-weight:600}.course-faq p{line-height:1.8}
@media(max-width:1000px){.course-layout{grid-template-columns:minmax(0,1fr) 260px;gap:24px}.course-hero{gap:30px;grid-template-columns:minmax(0,1fr) 200px}.course-use-cases{grid-template-columns:1fr}}
@media(max-width:700px){.course-hero{grid-template-columns:1fr;gap:25px;padding-top:12px}.course-hero h1{font-size:35px}.course-emblem{flex-direction:row;padding:22px;justify-content:center}.course-emblem .course-icon-frame{width:86px;flex-shrink:0;border-radius:16px}.course-layout{display:flex;flex-direction:column;gap:30px;padding-top:32px}.course-sidebar{order:-1;display:grid;grid-template-columns:1fr;gap:16px}.course-sidebar>section,.course-action-card{margin:0}.course-chapter>summary{padding:18px 16px;gap:12px}.lesson-list{padding:5px 16px}.lesson-link{gap:10px}.course-program h2{font-size:27px}.course-breadcrumb{padding:22px 0;font-size:11px}.course-section{margin-top:32px}.course-hero .hero-description{font-size:14px}.course-teacher img{float:left;margin-right:16px}.course-teacher .teacher-links{clear:both;padding-top:12px}}
/* Shared editorial pages: resources, reading, glossary and learning paths. */
.resource-menu { position:relative; font-size:14px; font-weight:600; }
.resource-menu summary { cursor:pointer; padding:12px 0; }
.resource-menu>div { position:absolute; z-index:20; right:0; top:100%; min-width:190px; padding:10px 16px; background:white; border:1px solid var(--learn-line); border-radius:12px; box-shadow:0 14px 35px #142d2b12; }
.resource-menu>div a { display:block; padding:8px; white-space:nowrap; }
.learning-footer nav { flex-wrap:wrap; }
.editorial-main { padding-bottom:65px; }
.editorial-hero { padding:65px 0 42px; max-width:850px; }
.editorial-hero h1 { font-size:clamp(36px,4.5vw,60px); font-weight:650; }
.editorial-hero>p:last-child { color:var(--learn-muted); font-size:18px; margin:24px 0 0; max-width:740px; }
.editorial-section { margin-top:55px; }
.editorial-section h2 { font-size:32px; font-weight:600; }
.resource-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; }
.resource-card { min-width:0; padding:30px; border:1px solid var(--learn-line); border-radius:17px; background:white; }
.resource-card h2 { font-size:24px; letter-spacing:-.7px; font-weight:600; line-height:1.3; }
.resource-card h3 { font-size:23px; letter-spacing:-.7px; line-height:1.3; }
.resource-card p { color:var(--learn-muted); font-size:14px; }
.resource-card a:hover { text-decoration:underline; text-underline-offset:4px; }
.resource-number { display:inline-grid; place-items:center; width:44px; height:44px; background:#e6eedc; color:var(--learn-green); border-radius:12px; font-size:14px; font-weight:650; margin-bottom:24px; }
.resource-count { display:flex; justify-content:space-between; gap:16px; color:var(--learn-muted); font-size:13px; margin:24px 0; }
.resource-count a { color:var(--learn-green); text-decoration:underline; text-underline-offset:4px; }
.editorial-search select { max-width:240px; }
.faq-layout { display:grid; grid-template-columns:minmax(0,1fr) 290px; gap:36px; align-items:start; }
.resource-faq { display:grid; gap:14px; }
.faq-entry { background:white; border:1px solid var(--learn-line); border-radius:12px; overflow:hidden; }
.faq-entry summary { cursor:pointer; padding:22px 24px; font-weight:600; line-height:1.5; font-size:16px; }
.faq-entry[open] summary { color:var(--learn-green); border-bottom:1px solid var(--learn-line); background:#f0f5eb; }
.faq-entry>.prose { padding:8px 24px 24px; font-size:15px; }
.resource-callout { background:#e6eedc; border:1px solid var(--learn-line); border-radius:16px; padding:28px; }
.resource-callout h2 { font-size:26px; letter-spacing:-.7px; line-height:1.2; }
.resource-callout p:not(.eyebrow) { color:var(--learn-muted); font-size:14px; margin:20px 0 25px; }
.resource-tags { display:flex; flex-wrap:wrap; gap:8px; }
.learning-site .resource-tag { display:inline-block; font-size:11px; line-height:1.5; padding:7px 11px; border:1px solid #d7e1d2; border-radius:7px; background:#f0f5eb; color:var(--learn-green); overflow-wrap:anywhere; text-decoration:none; }
.resource-tag:hover { background:#e1ebd8; }
.about-mission { display:grid; grid-template-columns:1fr 1.6fr; gap:50px; padding:40px; background:#e6eedc; border-radius:18px; margin-bottom:28px; }
.about-mission h2 { font-size:34px; font-weight:600; }
.about-mission>p { margin:0; font-size:17px; line-height:1.8; }
.team-cards { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
.team-member>img,.team-initials { display:block; width:96px; height:96px; border-radius:50%; object-fit:cover; margin-bottom:24px; }
.team-initials { display:grid; place-items:center; background:#e6eedc; font-size:35px; }
.category-card .course-thumbnail { margin-bottom:26px; }
.category-card .course-icon-frame { width:88px; border-radius:17px; }
.category-actions { display:flex; flex-wrap:wrap; gap:20px; font-size:13px; font-weight:600; color:var(--learn-green); margin-top:25px; }
.path-list { display:grid; gap:30px; }
.path-card { border:1px solid var(--learn-line); background:white; border-radius:18px; overflow:hidden; }
.path-card>header { display:flex; gap:24px; padding:30px; background:#eaf0e3; }
.path-card>header .resource-number { flex-shrink:0; background:white; margin:0; }
.path-card h2 { font-size:28px; font-weight:600; letter-spacing:-.7px; line-height:1.25; }
.path-card>header p:last-child { color:var(--learn-muted); font-size:15px; margin:14px 0 0; max-width:770px; }
.path-card .eyebrow { margin-bottom:10px; }
.path-steps { list-style:none; margin:0; padding:10px 30px; }
.path-steps li { display:flex; align-items:center; gap:20px; padding:23px 0; }
.path-steps li+li { border-top:1px solid var(--learn-line); }
.path-step-number { display:grid; place-items:center; width:32px; height:32px; flex-shrink:0; border:1px solid var(--learn-line); border-radius:50%; font-size:12px; color:var(--learn-green); }
.path-steps h3 { font-size:18px; letter-spacing:-.3px; line-height:1.3; }
.path-steps h3 a:hover { text-decoration:underline; }
.path-steps p { margin:6px 0 0; font-size:13px; color:var(--learn-muted); }
.path-steps img { margin-left:auto; object-fit:contain; flex-shrink:0; filter:grayscale(1) sepia(1) hue-rotate(85deg) saturate(.9); }
.glossary-alphabet { display:flex; flex-wrap:wrap; gap:8px; }
.glossary-alphabet a { padding:8px 12px; border:1px solid var(--learn-line); border-radius:7px; background:white; font-size:13px; }
.glossary-alphabet a[aria-current] { background:var(--learn-green); color:white; }
.glossary-alphabet small { margin-left:6px; opacity:.7; font-size:10px; }
.glossary-entries { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; align-items:start; }
.glossary-entry { min-width:0; border:1px solid var(--learn-line); background:white; border-radius:16px; padding:27px; scroll-margin-top:25px; }
.glossary-entry:target { outline:2px solid var(--learn-green); outline-offset:3px; }
.glossary-entry header { display:flex; align-items:center; gap:15px; margin-bottom:20px; }
.glossary-initial { display:grid; place-items:center; width:42px; height:42px; flex-shrink:0; background:#e6eedc; border-radius:10px; font-weight:650; color:var(--learn-green); }
.glossary-entry h2 { font-size:23px; line-height:1.3; letter-spacing:-.5px; overflow-wrap:anywhere; }
.glossary-entry header p { margin:6px 0 0; font-size:12px; color:var(--learn-muted); }
.glossary-entry .prose { font-size:14px; margin-bottom:20px; }
.partner-card>img { display:block; object-fit:contain; width:100%; height:120px; margin-bottom:25px; }
.partner-card .learning-button { margin-top:20px; }
.partner-objectives { margin-bottom:28px; }
/* Long-form reading: bounded lines, nested headings, code, diagrams and tables. */
.article-hero { max-width:1050px; padding:25px 0 42px; }
.article-hero h1 { font-size:clamp(34px,4.3vw,60px); line-height:1.13; font-weight:650; overflow-wrap:anywhere; }
.article-deck { color:var(--learn-muted); font-size:19px; line-height:1.75; margin:26px 0; max-width:900px; }
.article-byline { display:flex; flex-wrap:wrap; gap:12px 22px; font-size:12px; color:var(--learn-muted); }
.article-byline>a { font-weight:650; color:var(--learn-green); }
.article-layout { display:grid; grid-template-columns:260px minmax(0,1fr); gap:38px; align-items:start; }
.reading-sidebar { position:sticky; top:24px; min-width:0; }
.reading-toc { border:1px solid var(--learn-line); border-radius:14px; background:#edf2e7; padding:18px; }
.reading-toc summary { cursor:pointer; font-size:15px; font-weight:700; }
.reading-toc nav { max-height:calc(100vh - 130px); overflow:auto; scrollbar-width:thin; padding-top:12px; }
.reading-toc ol { list-style:none; padding:0; margin:0; }
.reading-toc ol ol { border-left:1px solid #cbd8c5; padding-left:12px; margin-left:4px; }
.reading-toc a { display:block; padding:7px 0; font-size:12px; line-height:1.5; color:var(--learn-muted); overflow-wrap:anywhere; }
.reading-toc>nav>ol>li>a { color:var(--learn-ink); font-weight:600; }
.reading-toc a:hover { color:var(--learn-green); text-decoration:underline; }
.reading-article { min-width:0; border:1px solid var(--learn-line); background:white; border-radius:18px; padding:35px; }
.article-cover { display:block; width:100%; height:auto; max-height:460px; object-fit:contain; border-radius:10px; margin-bottom:25px; }
.prose { color:var(--learn-ink); line-height:1.85; overflow-wrap:anywhere; }
.prose p { margin:16px 0; }
.prose a { color:var(--learn-green); text-decoration:underline; text-underline-offset:3px; }
.prose h2,.prose h3,.prose h4,.prose h5,.prose h6 { scroll-margin-top:30px; line-height:1.35; font-weight:650; }
.prose h2 { margin:42px 0 20px; font-size:29px; letter-spacing:-.7px; padding-top:12px; border-top:1px solid var(--learn-line); }
.prose h3 { margin:30px 0 15px; font-size:23px; letter-spacing:-.4px; }
.prose h4 { margin:25px 0 12px; font-size:19px; letter-spacing:-.2px; }
.prose ul,.prose ol { padding-left:25px; margin:18px 0; }
.prose li { margin:8px 0; }
.prose img { max-width:100%; height:auto; object-fit:contain; }
.prose iframe,.prose video { max-width:100%; }
.prose pre { background:#152e2b; color:#e4efdf; border-radius:10px; padding:23px; overflow:auto; max-width:100%; line-height:1.75; white-space:pre; font:13px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace; tab-size:2; }
.prose code { font-family:ui-monospace,SFMono-Regular,Consolas,monospace; font-size:.86em; background:#eef3e8; padding:2px 5px; border-radius:4px; color:#21533f; }
.prose pre code { background:transparent; color:inherit; padding:0; font-size:inherit; }
.prose table { display:block; max-width:100%; overflow:auto; border-collapse:collapse; margin:24px 0; font-size:13px; line-height:1.65; }
.prose th,.prose td { border:1px solid var(--learn-line); padding:12px 15px; text-align:left; min-width:100px; }
.prose th { background:#edf3e6; font-weight:650; }
.prose tr:nth-child(even) td { background:#f8faf5; }
.prose blockquote,.prose .custom-blockquote { margin:24px 0; padding:18px 24px; background:#f0f5e9; border-left:4px solid #8caa77; border-radius:0 8px 8px 0; }
.prose .blockquote-warning,.prose .alert-warning { background:#fff6df; border-left-color:#c99b3b; }
.prose .blockquote-danger,.prose .alert-danger { background:#fff0ec; border-left-color:#bd6953; }
.prose .text-muted { color:var(--learn-muted); }.prose .text-center{text-align:center}.prose .text-primary{color:var(--learn-green)}
.reading-code { position:relative; padding-top:30px; background:#152e2b; border-radius:10px; margin:25px 0; }
.reading-code pre { margin:0; }
.copy-code { position:absolute; right:12px; top:8px; border:1px solid #779080; color:#e4efdf; background:transparent; padding:3px 10px; border-radius:5px; font:11px/1.5 system-ui,sans-serif; cursor:pointer; }
.reading-table { max-width:100%; overflow:auto; }
.reading-table table { display:table; width:100%; }
.learning-site .anchor-link { font-size:.7em; font-weight:400; color:#667d68; text-decoration:none; padding:5px; }
.image-zoom { display:block; max-width:100%; padding:0; border:0; background:transparent; cursor:zoom-in; margin:20px auto; }
.image-zoom .article-cover { margin:0; }
.image-dialog { width:min(1100px,95vw); max-height:92vh; border:1px solid var(--learn-line); border-radius:16px; padding:20px; background:var(--learn-paper); }
.image-dialog::backdrop { background:#0b201ee6; }
.image-dialog form { text-align:right; margin-bottom:14px; }
.image-dialog img { display:block; max-width:100%; max-height:70vh; object-fit:contain; margin:auto; }
.image-dialog p { text-align:center; font-size:13px; }
.article-end { border-top:1px solid var(--learn-line); margin-top:38px; padding-top:28px; }
.article-author { margin:24px 0; font-size:13px; color:var(--learn-muted); }
.article-author h2 { color:var(--learn-ink); font-size:20px; letter-spacing:-.3px; }
.article-related { background:#eaf1e2; border-radius:12px; padding:25px; margin-top:28px; }
.article-related h2 { font-size:24px; letter-spacing:-.5px; margin-bottom:20px; }
.related-courses { display:grid; gap:12px; }
.related-courses a { display:flex; align-items:center; gap:14px; background:#ffffffa6; border-radius:9px; padding:12px; font-size:14px; }
.related-courses img { object-fit:contain; flex-shrink:0; }.related-courses a>span:last-child{margin-left:auto}
.learning-toast { position:fixed; z-index:100; bottom:25px; left:50%; transform:translateX(-50%); max-width:calc(100% - 32px); padding:12px 20px; background:var(--learn-ink); color:white; border-radius:9px; font-size:13px; opacity:0; pointer-events:none; }
.learning-toast.is-visible { opacity:1; }
@media(max-width:1100px){.header-inner{gap:18px}.learning-nav{gap:18px}.header-tools{gap:10px}.article-layout{grid-template-columns:220px minmax(0,1fr);gap:24px}.reading-article{padding:25px}.editorial-search{flex-wrap:wrap}.editorial-search input{flex-basis:30%}.editorial-search select{flex:1;max-width:240px}}
@media(max-width:900px){.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.faq-layout{grid-template-columns:1fr}.resource-callout{display:none}.about-mission{grid-template-columns:1fr;gap:24px}.glossary-entries{grid-template-columns:1fr}.article-layout{grid-template-columns:1fr}.reading-sidebar{position:static}.reading-toc nav{max-height:260px}.article-hero{padding-top:12px}.header-inner{flex-wrap:wrap}.learning-nav{order:3;width:100%;justify-content:space-between}.learning-footer{flex-wrap:wrap}}
@media(max-width:700px){.editorial-hero{padding:38px 0 30px}.editorial-hero h1{font-size:38px}.editorial-hero>p:last-child{font-size:16px;margin-top:20px}.editorial-main{padding-bottom:40px}.resource-grid,.team-cards{grid-template-columns:1fr}.resource-card{padding:25px}.resource-card h2{font-size:23px}.editorial-search input{flex-basis:100%}.editorial-search select{max-width:none;flex-basis:100%;border:1px solid var(--learn-line);border-radius:7px}.editorial-search .learning-button{width:100%}.faq-entry summary{padding:20px;font-size:15px}.faq-entry>.prose{padding:5px 20px 20px}.about-mission{padding:27px}.about-mission h2{font-size:29px}.about-mission>p{font-size:15px}.path-card>header{padding:22px;gap:16px}.path-card h2{font-size:23px}.path-card .resource-number{width:32px;height:32px}.path-steps{padding:5px 20px}.path-steps li{gap:12px}.path-steps h3{font-size:16px}.path-steps img{width:32px;height:32px}.glossary-entry{padding:22px}.glossary-entry h2{font-size:22px}.article-hero h1{font-size:35px}.article-deck{font-size:16px}.article-byline{gap:10px 16px}.reading-article{padding:20px 16px;border-radius:12px}.article-prose{font-size:15px}.prose h2{font-size:24px}.prose h3{font-size:20px}.prose pre{padding:18px 14px;font-size:12px}.prose blockquote{padding:14px 18px}.article-related{padding:20px}.related-courses a{font-size:12px;gap:10px}.resource-menu{font-size:12px}.learning-nav{gap:12px;flex-wrap:wrap}.learning-nav>a{font-size:12px}.resource-menu>div a{font-size:13px}.learning-footer nav{gap:14px}}
/* Session/lesson pages: video, TP, QCM and certification share the reading layout. */
.session-flag { font-size:.55em; font-weight:600; color:var(--learn-green); vertical-align:middle; }
.session-video { position:relative; background:#152e2b; border-radius:14px; overflow:hidden; margin-bottom:28px; }
.session-video video { display:block; width:100%; max-height:520px; }
.session-video-cover { display:block; text-align:center; padding:10px; background:#152e2b; border-radius:14px; margin-bottom:28px; }
.session-video-cover img { border-radius:10px; display:block; margin:0 auto 18px; width:100%; max-width:480px; aspect-ratio:16/9; object-fit:cover; }
.session-video-cover .learning-button { display:inline-flex; }
.session-nav { display:flex; flex-wrap:wrap; justify-content:center; gap:14px; border-top:1px solid var(--learn-line); margin-top:38px; padding-top:28px; }
.reading-article .prose > ol { list-style:none; padding-left:0; }
.reading-article .prose > ol > li { padding:22px 0; border-top:1px solid var(--learn-line); margin:0; }
.reading-article .prose > ol > li:first-child { border-top:0; }
.quiz-progress { height:10px; border-radius:6px; background:#e6eedc; overflow:hidden; margin-bottom:26px; }
.quiz-progress-bar { height:100%; background:var(--learn-green); color:#fff; font-size:9px; line-height:10px; text-align:right; padding-right:6px; white-space:nowrap; transition:width .3s; }
.quiz-option { display:flex; align-items:center; gap:12px; border:1px solid var(--learn-line); border-radius:10px; padding:14px 16px; margin-bottom:10px; cursor:pointer; background:white; }
.quiz-option:hover { border-color:var(--learn-green); }
.quiz-nav { display:flex; justify-content:center; margin-top:24px; }
.quiz-result-item { border:1px solid var(--learn-line); border-radius:12px; padding:22px; background:white; margin-bottom:14px; }
.quiz-result-item h4 { font-size:16px; line-height:1.5; margin-bottom:12px; }
.quiz-answer-good { color:var(--learn-green); font-weight:650; }
.quiz-answer-bad { color:#a5442f; font-weight:650; }
.quiz-explanation { margin-top:10px; padding:12px 14px; background:#f0f5e9; border-radius:8px; font-size:13px; }
.quiz-score { text-align:center; margin-bottom:24px; }
.quiz-score h2 { font-size:26px; font-weight:650; }
.certification-meta { display:grid; gap:8px; margin:24px 0; font-size:14px; }
.certification-meta strong { color:var(--learn-ink); }
/* Subtle, clearly-labelled ad slot: reused wherever ads_horizontal() is placed in editorial content. */
.ad-slot { margin:36px 0; padding:16px; border:1px solid var(--learn-line); border-radius:14px; background:#f4f7ef; text-align:center; overflow:hidden; }
.ad-slot::before { content:attr(data-ad-label); display:block; font-size:9px; letter-spacing:1.5px; text-transform:uppercase; color:var(--learn-muted); margin-bottom:10px; }
.media-unavailable { display:block; padding:25px; margin:20px 0; border:1px dashed #b9cbb5; border-radius:10px; background:#f4f7ef; color:var(--learn-muted); font-size:13px; }
.media-unavailable>span { margin-right:10px; font-size:22px; vertical-align:middle; }
.sitemap-courses { display:grid; gap:14px; margin-top:25px; }
.sitemap-articles { columns:2; column-gap:40px; list-style:none; padding:0; margin-top:25px; }
.sitemap-articles li { break-inside:avoid; padding:12px 0; border-bottom:1px solid var(--learn-line); font-size:14px; }
.sitemap-articles a:hover { text-decoration:underline; }
@media(max-width:700px){.sitemap-articles{columns:1}}
/* Theme switch: the same control and preference across all public layouts. */
.theme-switch { display:inline-grid; place-items:center; width:38px; height:38px; flex-shrink:0; border:1px solid var(--learn-line); border-radius:10px; background:transparent; color:var(--learn-ink); cursor:pointer; padding:0; }
.theme-switch span { font-size:22px; line-height:1; }
.theme-switch:hover { background:#e6eedc; }
html[data-theme="dark"] { --learn-ink:#e2ebe2; --learn-muted:#adbaae; --learn-paper:#121b18; --learn-line:#34473b; --learn-green:#b9dbac; --learn-lime:#dbf98c; color-scheme:dark; }
html[data-theme="dark"] .learning-header { background:#121b18; }
html[data-theme="dark"] .brand-mark { background:#d6e9c9; color:#183b2e; }
html[data-theme="dark"] .brand-mark span { color:#2e6847; }
html[data-theme="dark"] .learning-site .learning-button { color:#11271b; background:#c8e7b6; border-color:#c8e7b6; }
html[data-theme="dark"] .learning-site .learning-button:hover { background:#e0f6ce; }
html[data-theme="dark"] .learning-site .text-link,
html[data-theme="dark"] .learning-nav a[aria-current] { color:#c8e7b6; }
html[data-theme="dark"] .language-menu>div,
html[data-theme="dark"] .resource-menu>div,
html[data-theme="dark"] .catalog-search,
html[data-theme="dark"] .learning-card,
html[data-theme="dark"] .resource-card,
html[data-theme="dark"] .faq-entry,
html[data-theme="dark"] .glossary-entry,
html[data-theme="dark"] .path-card,
html[data-theme="dark"] .reading-article,
html[data-theme="dark"] .course-chapter,
html[data-theme="dark"] .course-sidebar>section,
html[data-theme="dark"] .course-info-card,
html[data-theme="dark"] .catalog-pagination a,
html[data-theme="dark"] .glossary-alphabet a,
html[data-theme="dark"] .skip-link { background:#1b2821; }
html[data-theme="dark"] .catalog-search input,
html[data-theme="dark"] .catalog-search select { color:var(--learn-ink); }
html[data-theme="dark"] .catalog-search select option { background:#1b2821; }
html[data-theme="dark"] input::placeholder { color:#a5b5a6; opacity:1; }
html[data-theme="dark"] .topics-band,
html[data-theme="dark"] .learning-callout,
html[data-theme="dark"] .about-mission,
html[data-theme="dark"] .resource-callout,
html[data-theme="dark"] .path-card>header,
html[data-theme="dark"] .reading-toc,
html[data-theme="dark"] .article-related,
html[data-theme="dark"] .course-action-card,
html[data-theme="dark"] .course-notice { background:#24372a; }
html[data-theme="dark"] .topics-band>div { color:#b6c7b6; }
html[data-theme="dark"] .card-image { background:#24372a; }
html[data-theme="dark"] .card-image.course-thumbnail,
html[data-theme="dark"] .course-emblem { background:radial-gradient(ellipse,#304632,#203226); }
html[data-theme="dark"] .course-icon-frame { background:#e1ead8; border-color:#91a98a; box-shadow:0 4px 12px #0003,0 0 0 5px #91a98a15; }
html[data-theme="dark"] .card-type { background:#1b2821ed; color:#e2ebe2; }
html[data-theme="dark"] .card-footer,
html[data-theme="dark"] .lesson-list li+li { border-color:var(--learn-line); }
html[data-theme="dark"] .learning-card:hover { box-shadow:0 12px 30px #0003; }
html[data-theme="dark"] .hero-visual { box-shadow:15px 18px 0 #2c3f2b; border:1px solid #3c5545; }
html[data-theme="dark"] .resource-number,
html[data-theme="dark"] .glossary-initial,
html[data-theme="dark"] .chapter-number,
html[data-theme="dark"] .lesson-symbol,
html[data-theme="dark"] .course-meta span,
html[data-theme="dark"] .team-initials,
html[data-theme="dark"] .theme-switch:hover { background:#314b33; color:#d3eac5; }
html[data-theme="dark"] .lesson-symbol.is-complete { background:#3c5d38; }
html[data-theme="dark"] .faq-entry[open] summary { background:#263b2b; }
html[data-theme="dark"] .learning-site .resource-tag { background:#263b2b; color:#c8e7b6; border-color:#445b40; }
html[data-theme="dark"] .learning-site .resource-tag:hover { background:#345035; }
html[data-theme="dark"] .catalog-pagination a[aria-current],
html[data-theme="dark"] .glossary-alphabet a[aria-current] { background:#c8e7b6; color:#11271b; }
html[data-theme="dark"] .related-courses a { background:#1b2821; }
html[data-theme="dark"] .reading-toc ol ol { border-color:#476044; }
html[data-theme="dark"] .prose code { background:#2b3f2e; color:#d1e8c1; }
html[data-theme="dark"] .prose pre,
html[data-theme="dark"] .reading-code { background:#0c1713; color:#dce9d6; }
html[data-theme="dark"] .prose pre code { background:transparent; color:inherit; }
html[data-theme="dark"] .prose th { background:#2b3f2e; }
html[data-theme="dark"] .prose tr:nth-child(even) td { background:#202f25; }
html[data-theme="dark"] .prose blockquote,
html[data-theme="dark"] .prose .custom-blockquote { background:#283d29; }
html[data-theme="dark"] .prose .blockquote-warning,
html[data-theme="dark"] .prose .alert-warning { background:#3f3521; }
html[data-theme="dark"] .prose .blockquote-danger,
html[data-theme="dark"] .prose .alert-danger { background:#412a25; }
html[data-theme="dark"] .learning-site .anchor-link { color:#afc39f; }
html[data-theme="dark"] .media-unavailable { background:#253629; border-color:#607657; }
html[data-theme="dark"] .quiz-progress,html[data-theme="dark"] .ad-slot,html[data-theme="dark"] .quiz-result-item,html[data-theme="dark"] .quiz-option { background:#1b2821; border-color:var(--learn-line); }
html[data-theme="dark"] .quiz-explanation { background:#283d29; }
html[data-theme="dark"] .quiz-answer-bad { color:#e29d8c; }
html[data-theme="dark"] .learning-toast { background:#c8e7b6; color:#11271b; }
@media(max-width:700px){html[data-theme="dark"] .hero-visual{box-shadow:7px 8px 0 #2c3f2b}}
@media(max-width:420px){.header-inner{gap:12px}.header-inner>.learning-brand{font-size:15px;gap:8px}.header-inner .brand-mark{width:32px;height:32px;font-size:25px}.header-inner .learning-brand small{font-size:8px;letter-spacing:2px}.header-tools{gap:2px}.header-tools .theme-switch{width:32px;height:32px}.header-tools .language-menu summary{padding:8px}.learning-site .header-tools .compact{padding:9px 10px;font-size:11px;gap:0}.header-tools .compact>span{display:none}}