/* One responsive shell for reading, research and interactive learning. */
body{font-size:15px;line-height:1.8}main#app{max-width:1440px;padding:28px 36px}.skip-link{position:fixed;top:-80px;left:20px;z-index:100;background:var(--accent);color:var(--bg);padding:10px}.skip-link:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-wordmark{display:flex;align-items:baseline;gap:20px;font-size:32px;font-weight:760;letter-spacing:-1px}.site-wordmark span{font-size:12px;color:var(--muted);font-weight:400;letter-spacing:1px}.site-search{display:flex;gap:8px;max-width:400px;flex:1}.site-search input{min-width:0;flex:1;width:100%}.local{display:flex;gap:30px;overflow-x:auto;scrollbar-width:thin;scroll-padding:16px}.local>a{flex-shrink:0;font-size:14px;min-height:48px;display:flex;align-items:center}.local>a[aria-current]{color:var(--accent);border-bottom:2px solid var(--accent)}.page-heading{margin:0 0 24px}.page-heading h2{font-size:27px}.page-heading p{margin:8px 0}.academy-hero{display:flex;justify-content:space-between;gap:35px;padding:32px;background:linear-gradient(110deg,var(--panel),var(--bg));margin-bottom:22px}.academy-hero h2{font-size:32px;margin:12px 0}.academy-hero p{max-width:650px;color:var(--muted)}.learning-progress{display:flex;flex-direction:column;justify-content:center;min-width:185px;border-left:1px solid var(--line);padding-left:30px}.learning-progress strong{font-size:32px;color:var(--accent)}.learning-progress span{font-size:12px;color:var(--muted)}.course-group{margin:35px 0}.course-group .section-row{align-items:baseline;gap:20px}.course-grid,.company-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.course-card{display:flex;flex-direction:column;min-height:205px}.course-title{font-size:19px;font-weight:650;line-height:1.5;margin:10px 0}.course-card .read-link{margin-top:auto}.course-card p{font-size:13px;margin:6px 0 18px}.directory{margin:35px 0}.company-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.company-tile{display:flex;flex-direction:column}.ticker{font-weight:750;letter-spacing:1px}.watch{font-size:11px;padding:6px 9px}.company-title{font-size:19px;font-weight:650;margin:8px 0}.company-number{font-size:26px;font-variant-numeric:tabular-nums}.company-tile small{color:var(--muted);font-size:11px}.company-tile .read-link{margin-top:20px}.learning-layout,.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 265px;gap:28px;align-items:start}.lesson-content,.article-content{padding:40px;min-width:0}.lesson-content h1,.article-content h1{font-size:34px;line-height:1.4;margin:15px 0}.lesson-content h2,.article-content h2{font-size:23px;margin:32px 0 12px}.lesson-content p,.article-content p{font-size:16px;line-height:1.95}.article-deck{font-size:18px!important;color:var(--muted);padding-bottom:24px;border-bottom:1px solid var(--line)}.lesson-sidebar{position:sticky;top:20px;display:grid;gap:18px}.related-title{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}.related-title[aria-current]{color:var(--accent)}.learning-flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(115px,1fr));margin:25px 0;padding:0;gap:10px}.flow-node{background:var(--bg);border:1px solid var(--line);border-top:2px solid var(--accent);padding:15px;position:relative}.flow-node>span{display:block;font-size:12px;color:var(--accent)}.flow-node>strong{display:block;font-size:13px;margin-top:6px}.flow-node:not(:last-child):after{content:'→';position:absolute;right:-12px;top:37%;color:var(--accent);z-index:1}.worked-example,.reading-note{border-left:3px solid var(--accent);background:var(--bg);padding:20px;margin:28px 0}.interactive-lab{padding:24px;background:var(--bg);border:1px solid var(--line);border-radius:12px;margin:28px 0}.interactive-lab h2{margin-top:0}.interactive-lab .form-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.form-grid label{display:flex;flex-direction:column;gap:7px;font-size:12px}.form-grid input,.form-grid select{width:100%;min-width:0}.lab-chart svg,.projection-chart svg{display:block;width:100%;height:auto;touch-action:pan-y}.lab-chart circle{cursor:crosshair}.lab-chart circle:hover,.lab-chart circle:focus{r:8;stroke:var(--text);stroke-width:2}.chart-readout{min-height:50px;font-variant-numeric:tabular-nums;color:var(--accent);font-size:13px!important}.result{white-space:pre-line;overflow-wrap:anywhere}.result>strong,.result>span{display:block}.result>strong{font-size:20px}.result>span{font-size:13px;margin-top:8px}.quiz{margin:30px 0;padding:22px;border:1px solid var(--line);border-radius:10px}.quiz-options{display:flex;gap:10px;flex-wrap:wrap}.correct{color:#64bc9b}.incorrect{color:#e7a38b}.checklist label{display:flex;align-items:center;gap:12px;min-height:48px;border-bottom:1px solid var(--line)}.checklist input{min-height:20px;width:20px}.next-lesson{display:block;border-top:1px solid var(--line);margin-top:25px;padding-top:20px;color:var(--accent)}.tool-directory{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}.tool-directory a{display:flex;align-items:center;min-height:44px;padding:8px 14px;border:1px solid var(--line);border-radius:7px}.tool-section{margin-top:24px;scroll-margin-top:20px}.tool-section>.interactive-lab{border:0;margin:0;padding:0;background:none}.projection-tool{margin-top:24px}.projection-results{display:flex;flex-direction:column;margin:25px 0}.projection-results strong{font-size:25px}.projection-results span{color:var(--muted);font-size:13px}details>summary{cursor:pointer;min-height:44px;padding:12px 0;color:var(--accent)}.glossary{margin-top:25px}.glossary details,.discussion{border-bottom:1px solid var(--line)}.news-title{display:block;font-size:19px;font-weight:650;line-height:1.55;margin:12px 0}.news-card{display:flex;flex-direction:column}.news-card>.read-link{margin-top:auto}.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border-left:1px solid var(--line);border-top:1px solid var(--line)}.week-label{text-align:center;font-size:12px;color:var(--muted);padding:10px}.day{min-height:135px;padding:8px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-width:0;background:var(--panel)}.day.blank{background:var(--bg)}.day.today{box-shadow:inset 0 0 0 1px var(--accent)}.day-number{display:block;font-size:13px;margin-bottom:6px}.calendar-event{font-size:11px;border:0;border-left:2px solid var(--accent);border-radius:0;background:var(--bg);padding:5px;margin:4px 0;width:100%;text-align:left;line-height:1.4;min-height:44px;overflow-wrap:anywhere}.agenda{margin:25px 0}.agenda-event{display:block;width:100%;text-align:left;border-bottom:1px solid var(--line);margin:6px 0}.route-step{display:grid;grid-template-columns:45px 1fr;gap:16px;border-bottom:1px solid var(--line);padding:16px 0}.route-step h3{margin:0}.step-number{color:var(--accent);font-size:24px}.route-step p{margin:6px 0;color:var(--muted)}.empty{padding:30px;color:var(--muted)}.search-group{margin:30px 0}.company-events{margin-top:24px}#products{margin-top:45px;padding-top:24px;border-top:1px solid var(--line)}.products{grid-template-columns:repeat(3,minmax(0,1fr))}.product{min-width:0}.product p{font-size:12px}.product .actions{display:flex;flex-wrap:wrap;gap:7px}.product .actions>*{font-size:11px;flex:1 1 auto}.product header{min-height:38px}.product-intro h2{font-size:19px}.product-intro p{font-size:12px}footer{display:grid!important;grid-template-columns:1fr 1fr;gap:25px;margin-top:45px;padding:32px 0;font-size:12px}footer>div:last-of-type{display:flex;flex-wrap:wrap;gap:15px;align-content:start}footer small{grid-column:1/-1;color:var(--muted)}dialog{width:min(850px,calc(100vw - 32px));max-height:88dvh;overscroll-behavior:contain}dialog::backdrop{background:rgba(0,0,0,.72)}.close{position:sticky;top:0;float:right;z-index:2;min-width:44px}.financial-study{min-width:0}.financial-study .table-wrap{overflow:auto}section[id]{scroll-margin-top:20px}
@media(min-width:1100px){.course-card:hover,.company-tile:hover{border-color:var(--accent)}}
@media(max-width:1100px){.local{gap:24px}.company-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-layout,.reading-layout{grid-template-columns:minmax(0,1fr) 230px}.lesson-content,.article-content{padding:28px}.interactive-lab .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.global{gap:15px}.global nav{gap:12px}}
@media(max-width:760px){main#app{padding:18px 16px}.global{padding:12px 16px;flex-wrap:wrap}.global .brand{font-size:18px}.global nav{order:3;justify-content:start;flex-basis:100%;gap:20px}.global-actions{margin-left:auto;gap:12px}.global-actions a{font-size:11px}.mast{display:grid;gap:16px;padding-bottom:15px}.site-wordmark{font-size:27px;gap:14px}.site-wordmark span{font-size:10px}.site-search{max-width:none;width:100%}.local{margin:0 -16px 22px;padding:0 16px;gap:24px}.local>a{font-size:13px}.academy-hero{padding:23px;display:block}.academy-hero h2{font-size:27px}.learning-progress{border:0;border-top:1px solid var(--line);padding:14px 0 0;margin-top:16px;min-width:0;flex-direction:row;align-items:center;gap:16px}.learning-progress strong{font-size:25px}.course-grid{grid-template-columns:1fr}.course-group .section-row{display:block}.course-group .section-row>span{font-size:12px}.course-card{min-height:0}.course-title{font-size:19px}.learning-layout,.reading-layout{display:block}.lesson-sidebar{position:static;margin-top:22px}.lesson-content,.article-content{padding:22px 18px}.lesson-content h1,.article-content h1{font-size:27px}.lesson-content h2,.article-content h2{font-size:21px}.lesson-content p,.article-content p{font-size:15px}.learning-flow{grid-template-columns:1fr 1fr}.flow-node{padding:12px}.flow-node:not(:last-child):after{display:none}.interactive-lab{padding:18px 12px;margin:20px -5px}.result>strong{font-size:18px}.quiz{padding:16px}.company-grid{gap:10px}.company-tile{padding:15px}.company-title{font-size:16px}.company-number{font-size:22px}.company-tile .section-row{gap:5px}.company-tile .watch{font-size:10px;padding:5px}.calendar-grid{gap:0}.day{min-height:90px;padding:4px}.calendar-event{font-size:10px;padding:3px;line-height:1.35}.day .calendar-event:nth-of-type(n+2){display:none}.day-number{font-size:11px}.agenda-event{font-size:13px}.controls select{flex:1;min-width:0}.products{grid-template-columns:1fr}.product{padding:16px}.product-intro{display:block}footer{grid-template-columns:1fr;gap:15px}.tool-directory{flex-wrap:nowrap;overflow-x:auto;margin:0 -16px 20px;padding:0 16px}.tool-directory a{white-space:nowrap}.lab-chart{min-width:0}.page-heading h2{font-size:24px}.section-row h2{font-size:21px}}
@media(max-width:380px){.company-grid{grid-template-columns:1fr}.global-actions .vip{display:none}.interactive-lab .form-grid{grid-template-columns:1fr 1fr}.site-wordmark span{display:none}}
.home-paths{margin-bottom:25px}.home-paths .panel{padding:20px}.home-paths .course-title{font-size:18px}.company-map{margin-top:24px}.concentration{display:flex;align-items:center;gap:30px;margin:26px 0;padding:22px;border:1px solid var(--line);border-radius:12px}.concentration-donut{width:150px;height:150px;flex-shrink:0;border-radius:50%;display:grid;place-items:center}.concentration-donut>span{width:115px;height:115px;border-radius:50%;display:grid;place-items:center;background:var(--panel);font-size:26px;font-weight:700}.concentration>div:last-child{max-width:520px}@media(max-width:600px){.concentration{gap:18px;padding:16px}.concentration-donut{width:95px;height:95px}.concentration-donut>span{width:72px;height:72px;font-size:18px}.concentration p{font-size:12px}}
.study-notes{margin:30px 0;padding:22px;border:1px solid var(--line);border-radius:10px}.study-notes label{display:block;font-size:13px;color:var(--muted)}.study-notes textarea{display:block;width:100%;resize:vertical;min-height:120px;padding:14px;margin:12px 0;font:inherit;line-height:1.7;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:8px}.study-notes button{min-height:44px}.site-search:focus-within{outline:none}.home-paths{margin-top:32px}.company-grid .watch{white-space:nowrap}
.invite-strip{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 15px;margin:12px 0 14px;background:color-mix(in srgb,var(--accent) 7%,var(--bg));border:1px solid color-mix(in srgb,var(--accent) 25%,var(--line));border-radius:9px}.invite-identity{display:flex;flex-direction:column;gap:2px;min-width:0}.invite-label{font-size:11px;color:var(--muted);letter-spacing:.5px}.invite-code{font:650 18px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--accent);letter-spacing:.7px;user-select:all;-webkit-user-select:all;overflow-wrap:anywhere}.invite-copy{flex-shrink:0;font-size:12px;min-height:44px;padding:8px 12px;background:var(--panel);border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}.invite-copy.copied{color:var(--accent);border-color:var(--accent)}.product .actions>.primary{background:var(--accent);color:var(--bg);border-color:var(--accent);font-weight:650}.product .actions>*{flex:1 1 0;min-height:44px}.product header strong{line-height:1.5}@media(max-width:760px){.invite-strip{padding:12px 14px}.invite-code{font-size:19px}.invite-copy{font-size:12px}}
.article-discussion{margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}.author-note{background:var(--bg);border:1px solid var(--line);border-left:3px solid var(--accent);padding:22px;border-radius:10px;margin-bottom:32px}.discussion-identity{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px}.discussion-avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;font-weight:700;background:var(--panel);color:var(--accent);border:1px solid var(--line)}.author-badge{color:var(--accent);font-size:11px;border:1px solid var(--line);border-radius:4px;padding:1px 7px}.reader-badge{font-size:11px;color:var(--muted)}.discussion-identity time{font-size:11px;color:var(--muted)}.author-note h4{font-size:15px;margin:15px 0 6px}.author-note p{font-size:14px;line-height:1.9}.comment-gate{padding:22px;background:var(--bg);border:1px solid var(--line);border-radius:10px}.comment-gate p{margin-top:0;font-size:14px}.comment-gate a{margin-right:10px;min-height:44px;display:inline-flex;align-items:center}.comment-composer label{display:block;font-weight:650}.comment-composer textarea{display:block;resize:vertical;width:100%;font:inherit;line-height:1.8;padding:15px;min-height:145px;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:8px;margin:12px 0}.comment-composer small{display:block;text-align:right;color:var(--muted);margin-bottom:10px}.comment-status{font-size:13px!important;color:var(--accent)}.comment-empty{font-size:14px!important;color:var(--muted);padding:15px 0}.reader-comment{padding:24px 0;border-bottom:1px solid var(--line)}.reader-comment .comment-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px}.pending-badge{color:var(--accent);font-size:11px}.reply-target{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px}.comment-honeypot{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important}.preview-comment-note{font-size:11px!important;color:var(--muted)}@media(max-width:760px){.author-note{padding:16px}.comment-gate{padding:16px}.comment-gate a{font-size:13px}.discussion-identity{gap:7px}.discussion-identity time{flex-basis:100%;margin-left:41px}}
.comment-gate textarea{display:block;width:100%;font:inherit;font-size:14px;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:8px;min-height:95px;padding:14px;resize:none;margin:12px 0 16px;opacity:1}
.article-content>p:not(.subtle):not(.article-deck),.lesson-content section>p:not(.subtle){color:var(--text)}.reading-layout{max-width:1250px;margin-inline:auto;grid-template-columns:minmax(0,1fr) 250px;gap:28px}@media(max-width:760px){.reading-layout{display:block}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}