/* WORLD TRADING — Observatory. Load last; one palette per full page. */
:root{--world-serif:Georgia,'Times New Roman',serif;--bg:#f5f7fc;--panel:#ffffff;--soft:#eaf0fa;--text:#101a2b;--muted:#5e6c82;--line:#d7e0ee;--accent:#245cce;--cyan:#3476ed;--action:#2462ed;--action-text:#ffffff;--world-accent:#245cce;--world-accent-soft:#cddcfa;--world-signal:#2169d6;--world-hero-tint:#f5f7fc;--shadow:0 20px 60px #1c39660c;--gutter:clamp(20px,5vw,84px);--round:4px;color-scheme:light}
:root[data-theme=dark]{--bg:#080b12;--panel:#0e1420;--soft:#151f30;--text:#edf3ff;--muted:#9aa9c0;--line:#243149;--accent:#73caff;--cyan:#73caff;--action:#3775f6;--action-text:#ffffff;--world-accent:#73caff;--world-accent-soft:#233c65;--world-signal:#71d7ff;--world-hero-tint:#080b12;--shadow:0 20px 60px #0002;color-scheme:dark}
.world-site{font-size:15px;-webkit-font-smoothing:antialiased;background:var(--bg)}
.world-site ::selection{background:var(--world-accent);color:var(--bg)}
.world-site :is(h1,h2,h3){font-family:var(--world-serif);font-weight:400;letter-spacing:-.035em}
.world-site :is(button,input,select,textarea){accent-color:var(--accent)}
.world-site a,.world-site button{transition:color .2s,border-color .2s,background-color .2s,transform .2s}
.world-site :focus-visible{outline:2px solid var(--world-accent);outline-offset:5px}
.world-site #header{background:var(--bg);position:relative;border-bottom:1px solid var(--line)}
.world-nav{height:96px;display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative}
.world-brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;color:var(--text)}
.world-brand img{width:47px;height:47px;object-fit:contain}
.world-brand>span{font-family:var(--world-serif);font-size:19px;line-height:1.2;letter-spacing:.075em}
.world-brand small{display:block;font:500 7px/1.5 Onest,sans-serif;letter-spacing:.13em;margin-top:6px;color:var(--muted)}
.world-desktop-nav{display:flex;gap:clamp(16px,1.8vw,29px);align-items:center}
.world-desktop-nav a{font-size:11px;white-space:nowrap;position:relative;min-height:44px;display:flex;align-items:center}
.world-desktop-nav a.active{color:var(--accent)}
.world-desktop-nav a.active:after{content:'';position:absolute;bottom:3px;height:1px;background:var(--accent);left:0;right:0}
.world-nav-actions{display:flex;align-items:center;gap:5px}
.world-nav-actions .icon-btn{height:42px;width:40px;border-radius:50%;color:var(--text)}
.world-nav-actions .icon-btn svg{width:18px;height:18px}
.world-menu-panel{border-radius:0;padding:30px 34px;box-shadow:0 30px 70px #0003;top:calc(100% - 1px)}
.world-menu-title{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:22px;margin-bottom:20px;border-bottom:1px solid var(--line);color:var(--accent);font-size:10px;letter-spacing:.1em}
.world-menu-title a{font-size:12px;letter-spacing:0;display:flex;align-items:center;gap:20px}
.world-menu-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:36px}
.world-menu-grid h2{font:500 13px Onest,sans-serif;margin:0 0 15px}
.world-menu-grid>div{display:flex;flex-direction:column;align-items:start}
.world-menu-grid a{font-size:12px;min-height:35px;display:flex;align-items:center;color:var(--muted)}
.world-menu-grid a:hover{color:var(--accent)}
.world-site #main{padding-bottom:0}
.world-site .wrap{max-width:1536px}
.world-home{overflow:clip}
.world-home h2 em,.world-home h1 em{font-weight:400;font-style:italic;color:var(--world-accent)}
.world-hero{position:relative;min-height:670px;display:flex;align-items:center;isolation:isolate;padding-top:50px;padding-bottom:95px}
.world-hero-copy{position:relative;z-index:2;width:64%;padding-top:4px;pointer-events:none}
.world-hero-copy a{pointer-events:auto}
.world-overline{font-size:9px;font-weight:500;letter-spacing:.16em;line-height:1.6;display:flex;align-items:center;gap:11px;color:var(--world-accent)}
.world-status{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--world-signal);box-shadow:0 0 0 4px color-mix(in srgb,var(--world-signal) 9%,transparent);flex-shrink:0}
.world-hero h1{font-size:clamp(47px,4.95vw,78px);line-height:1.13;letter-spacing:-.05em;margin-top:27px;max-width:16ch}
.world-hero h1 em{white-space:nowrap}
.world-hero-copy>p{max-width:420px;line-height:1.85;font-size:14px;color:var(--muted);margin-top:25px}
.world-hero-actions{display:flex;flex-wrap:wrap;gap:12px 20px;margin-top:31px;align-items:center}
.world-button{min-height:49px;display:inline-flex;align-items:center;justify-content:center;gap:23px;font-size:11px;font-weight:500;line-height:1.4;padding:14px 22px;border:1px solid transparent;letter-spacing:.015em}
.world-button svg{width:16px;height:16px}
.world-button-primary{background:var(--action);color:var(--action-text);border-color:var(--action)}
.world-button-primary:hover{background:var(--text);border-color:var(--text);color:var(--bg);transform:translateY(-2px)}
.world-button-quiet{padding-inline:3px;color:var(--text)}
.world-button-quiet:hover{color:var(--accent)}
.world-arrow{font:400 22px/1 Georgia,serif;display:inline-block}
.world-access{display:flex;align-items:center;gap:13px;color:var(--muted);font-size:9px;margin-top:19px;letter-spacing:.025em}
.world-access i{height:3px;width:3px;border-radius:50%;background:var(--world-accent)}
.world-hero-art{position:absolute;z-index:0;width:60%;right:0;top:0;bottom:0;overflow:hidden}
.world-hero-image{position:absolute;inset:-4% -7% -1% -4%;background-image:url('/assets/world-hero.webp');background-position:65% center;background-size:cover;opacity:.64;mask-image:linear-gradient(90deg,transparent,#000 34%,#000 90%,transparent);filter:saturate(.65)}
.world-hero-art:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,var(--bg),transparent 22%,transparent 75%,var(--bg)),linear-gradient(90deg,var(--bg),transparent 40%);pointer-events:none}
.world-seal{color:var(--world-accent);stroke:currentColor;stroke-width:.65;width:100%;height:auto;overflow:visible}
.world-hero-art>.world-seal{position:absolute;width:71%;right:5%;top:50%;transform:translateY(-50%) rotate(-10deg);opacity:.49;z-index:1;filter:drop-shadow(0 0 25px color-mix(in srgb,var(--world-accent) 18%,transparent))}
.world-art-coordinate{position:absolute;z-index:2;font-size:7px;letter-spacing:.2em;color:var(--world-accent);opacity:.75;right:11%}
.world-coordinate-top{top:9%}
.world-coordinate-bottom{bottom:13%}
:root:not([data-theme=dark]) .world-hero-image{opacity:.21;filter:grayscale(1);mix-blend-mode:multiply}
:root:not([data-theme=dark]) .world-hero-art>.world-seal{opacity:.66}
.world-hero-bottom{position:absolute;bottom:25px;left:var(--gutter);right:var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:19px;font-size:8px;letter-spacing:.13em;color:var(--muted);z-index:3}
.world-hero-bottom a{font-size:10px;letter-spacing:0;color:var(--text);display:flex;align-items:center;gap:18px;min-height:30px}
.world-hero-bottom a span{font-size:19px;color:var(--accent)}
.world-stat-strip{border-block:1px solid var(--line);background:var(--panel)}
.world-stats{display:grid;grid-template-columns:repeat(4,1fr);padding-block:26px}
.world-stats>a{display:flex;align-items:center;gap:16px;padding:5px 27px;border-right:1px solid var(--line)}
.world-stats>a:first-child{padding-left:0}.world-stats>a:last-child{padding-right:0;border:0}
.world-stats strong{font:400 42px/1 var(--world-serif);letter-spacing:-.04em;color:var(--world-accent)}
.world-stats>a>span:not(.world-arrow){font-size:10px;line-height:1.6;max-width:100px;color:var(--muted)}
.world-stats .world-arrow{margin-left:auto;color:var(--world-accent);font-size:18px;opacity:.65}
.world-section{padding-block:96px}
.world-kicker{display:flex;align-items:center;gap:11px;font-size:9px;letter-spacing:.13em;font-weight:500;color:var(--world-accent);margin-bottom:29px}
.world-kicker>span{font-family:var(--world-serif);font-size:13px;letter-spacing:0}
.world-kicker>i{height:1px;width:27px;background:var(--world-accent);opacity:.5}
.world-section-heading{display:flex;justify-content:space-between;align-items:end;gap:50px;margin-bottom:41px}
.world-home h2{font-size:clamp(35px,3.5vw,54px);line-height:1.16;letter-spacing:-.035em}
.world-section-heading>p{max-width:400px;font-size:13px;line-height:1.85;color:var(--muted);padding-bottom:3px}
.world-atlas-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.world-atlas-card{padding:26px 26px 22px;min-height:238px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;background:var(--panel);position:relative}
.world-atlas-card:hover{background:var(--soft);z-index:1}
.world-atlas-top{display:flex;align-items:center;justify-content:space-between;color:var(--world-accent);margin-bottom:25px}
.world-atlas-top>span:first-child{font:400 25px/1 var(--world-serif);letter-spacing:-.04em}
.world-atlas-top .world-arrow{font-size:18px;opacity:.5;transition:transform .2s}
.world-atlas-card:hover .world-arrow{transform:translate(3px,-3px);opacity:1}
.world-atlas-card h3{font-size:24px;letter-spacing:-.025em;line-height:1.18}
.world-atlas-card p{font-size:11px;line-height:1.8;color:var(--muted);margin-top:12px;max-width:28ch}
.world-atlas-meta{display:flex;justify-content:space-between;gap:10px;font-size:8px;color:var(--world-accent);margin-top:auto;padding-top:24px}
.world-atlas-meta>span{color:var(--muted)}
.world-topic-footer{padding-top:24px;display:flex;gap:25px;align-items:center}
.world-topic-footer>span{font-size:8px;letter-spacing:.1em;color:var(--muted);flex-shrink:0}
.world-topic-footer>div{display:flex;gap:10px 22px;align-items:center;flex-wrap:wrap}
.world-topic-footer a{font-size:11px;color:var(--text);min-height:32px;display:inline-flex;align-items:center;gap:10px}
.world-topic-footer a:hover{color:var(--accent)}
.world-text-link{display:inline-flex;align-items:center;gap:18px;min-height:42px;font-size:11px;color:var(--world-accent);font-weight:500}
.world-text-link:hover{color:var(--text)}
.world-text-link svg{height:16px;width:16px}
.world-academy-section{background:var(--panel);border-block:1px solid var(--line)}
.world-academy{display:grid;grid-template-columns:1fr 1.15fr;gap:10%;padding-block:75px}
.world-academy-intro{position:relative;isolation:isolate;overflow:hidden}
.world-academy-intro h2{font-size:clamp(34px,3.1vw,47px)}
.world-academy-intro>p{font-size:13px;color:var(--muted);line-height:1.9;max-width:42ch;margin-block:24px 26px}
.world-academy-mark{position:absolute;width:240px;bottom:-130px;right:-30px;z-index:-1;opacity:.15}
.world-course-row{display:grid;grid-template-columns:26px 1fr 20px;gap:20px;border-bottom:1px solid var(--line);padding:25px 0;align-items:center}
.world-course-row:first-child{border-top:1px solid var(--line)}
.world-course-number{font:400 16px var(--world-serif);color:var(--world-accent);align-self:start;margin-top:2px}
.world-course-meta{font-size:8px;letter-spacing:.1em;color:var(--muted)}
.world-course-row h3{font-size:25px;line-height:1.2;margin-top:7px}
.world-course-row p{font-size:11px;color:var(--muted);line-height:1.75;margin-top:8px}
.world-course-row>.world-arrow{color:var(--world-accent);transition:transform .2s}
.world-course-row:hover h3{color:var(--world-accent)}.world-course-row:hover>.world-arrow{transform:translate(3px,-3px)}
.world-curriculum-note{font-size:9px;color:var(--muted);margin-top:22px;display:flex;align-items:center;gap:12px}
.world-library-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.world-library-card{display:flex;flex-direction:column;padding:24px;border:1px solid var(--line);min-height:302px;background:var(--panel)}
.world-library-card:hover{border-color:var(--world-accent);transform:translateY(-3px)}
.world-library-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:34px;color:var(--world-accent)}
.world-library-top>span{font-size:8px;letter-spacing:.09em}.world-library-top svg{width:20px;height:20px;stroke-width:1.1}
.world-library-card h3{font-size:26px;line-height:1.2}
.world-library-card p{font-size:11px;line-height:1.8;color:var(--muted);margin-top:16px}
.world-library-bottom{display:flex;align-items:center;justify-content:space-between;color:var(--world-accent);font-size:9px;margin-top:auto;padding-top:30px}
.world-lab-wrap{padding-bottom:0}
.world-lab{display:grid;grid-template-columns:1fr 1fr;gap:10%;padding:52px 6%;border:1px solid var(--line);background:var(--panel);position:relative}
.world-lab:before,.world-lab:after{content:'+';position:absolute;font-size:17px;color:var(--world-accent);line-height:1}
.world-lab:before{left:-6px;top:-8px}.world-lab:after{right:-6px;bottom:-8px}
.world-lab-copy h2{font-size:clamp(34px,3.1vw,48px)}
.world-lab-copy>p{font-size:12px;color:var(--muted);line-height:1.85;max-width:43ch;margin-block:23px 27px}
.world-lab-diagram{align-self:center;border:1px solid var(--line);padding:25px 28px;font-variant-numeric:tabular-nums}
.world-lab-caption{display:flex;justify-content:space-between;gap:12px;font-size:7px;letter-spacing:.08em;padding-bottom:22px;color:var(--world-accent)}
.world-order-label{display:flex;justify-content:space-between;color:var(--muted);font-size:9px;margin-bottom:10px}
.world-order-row{display:flex;justify-content:space-between;position:relative;isolation:isolate;padding:9px 10px;font-size:12px;margin-block:3px}
.world-order-row:before{content:'';position:absolute;inset:0 0 0 auto;width:var(--fill);background:color-mix(in srgb,var(--world-accent) 12%,transparent);border-right:2px solid var(--world-accent);z-index:-1}
.world-order-bid:before{background:color-mix(in srgb,var(--world-signal) 13%,transparent);border-color:var(--world-signal)}
.world-order-spread{display:flex;justify-content:space-between;font-size:8px;letter-spacing:.06em;color:var(--muted);padding:12px 10px;border-block:1px solid var(--line);margin-block:11px}
.world-lab-diagram>p{margin-top:23px;color:var(--muted);font-size:9px;line-height:1.7}
.world-paths{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line)}
.world-path{padding:30px 35px 30px 0;display:flex;flex-direction:column;position:relative}
.world-path+.world-path{padding-left:35px;border-left:1px solid var(--line)}
.world-path:last-child{padding-right:0}.world-path-number{font:400 36px/1 var(--world-serif);color:var(--world-accent);opacity:.55;margin-bottom:25px}
.world-path h3{font-size:29px}.world-path>p{font-size:12px;color:var(--muted);line-height:1.8;max-width:33ch;margin-top:14px}
.world-path-cta{display:flex;justify-content:space-between;gap:20px;color:var(--world-accent);font-size:10px;margin-top:auto;padding-top:28px}
.world-path:hover h3{color:var(--world-accent)}
.world-author{display:grid;grid-template-columns:1fr 1.12fr;border:1px solid var(--line);background:var(--panel);min-height:480px}
.world-author-image{position:relative;overflow:hidden;background:var(--soft);min-height:450px}
.world-author-image picture{display:block;position:absolute;inset:0}
.world-author-image img{width:100%;height:100%;object-fit:cover;object-position:50% 32%;filter:saturate(.55)}
.world-author-image:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#080f20aa,transparent 40%)}
.world-author-image>span{position:absolute;bottom:30px;left:30px;z-index:1;font-size:8px;letter-spacing:.18em;color:#edf3ff}
.world-author-copy{padding:50px 12% 45px}
.world-author-copy h2{font-size:clamp(37px,3.6vw,54px)}
.world-author-copy>p{font-size:13px;line-height:1.9;color:var(--muted);margin-top:24px;max-width:42ch}
.world-author-signature{font-family:var(--world-serif);font-style:italic;font-size:24px;margin-top:29px;color:var(--text)}
.world-author-signature>span{display:block;font:400 7px/1.6 Onest,sans-serif;letter-spacing:.15em;margin-top:9px;color:var(--muted)}
.world-author-links{display:flex;flex-wrap:wrap;gap:10px 22px;border-top:1px solid var(--line);margin-top:25px;padding-top:15px}
.world-final{text-align:center;padding-block:100px 105px;position:relative}
.world-final .world-overline{justify-content:center;font-size:8px;margin-bottom:24px}
.world-final h2{font-size:clamp(40px,4.5vw,68px)}
.world-final .world-button{margin-top:31px}
.world-final>p{color:var(--muted);font-size:10px;margin-top:19px}
.world-site #footer{background:var(--panel);border-top:1px solid var(--line);padding:0}
.world-footer{padding-block:53px 25px}
.world-footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.world-footer-top>div>p{font:400 26px/1.3 var(--world-serif);margin-block:23px 15px}
.world-footer-top>nav{display:flex;flex-direction:column;align-items:start;gap:4px}
.world-footer-top>nav h2{font:500 10px/1.5 Onest,sans-serif;color:var(--world-accent);letter-spacing:.07em;margin-bottom:16px}
.world-footer-top>nav a{font-size:11px;color:var(--muted);min-height:31px;display:flex;align-items:center}.world-footer-top>nav a:hover{color:var(--world-accent)}
.world-footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:24px;margin-top:40px;border-top:1px solid var(--line);font-size:9px;color:var(--muted)}
.world-footer-bottom>a{display:flex;gap:12px;align-items:center}.world-footer-bottom .world-arrow{font-size:15px}
.world-disclaimer{font-size:9px;line-height:1.8;color:var(--muted);max-width:85ch;margin-top:18px;opacity:.8}
/* Existing learning routes inherit the same quiet material and readable typography. */
.world-site :is(.page-title,.portal-page-title,.wiki-intro,.course-cover){padding-block:54px 38px}
.world-site :is(.page-title,.portal-page-title,.wiki-intro,.course-cover,.portal-article) h1{font-family:var(--world-serif);font-weight:400;line-height:1.13;letter-spacing:-.04em}
.world-site .portal-article h1{max-width:24ch}
.world-site .portal-article .prose{font-size:17px;line-height:1.9}
.world-site :is(.portal-lead,.page-title>p,.wiki-intro>div>p){font-size:17px;line-height:1.85}
.world-site :is(.btn,.reading-example,.strategy-checklist,.method-number,.domain-note,.portal-market-grid>a,.portal-expansion-grid>a,.strategy-card,.research-entry>a,.experience-entries>a){border-radius:3px}
.world-site .btn{min-height:45px;padding-inline:18px;letter-spacing:.01em}
.world-site :is(.breadcrumbs,.reading-meta){font-size:10px;line-height:1.8;letter-spacing:.03em;color:var(--muted)}
.world-site .breadcrumbs{padding-top:27px}
.world-site :is(.portal-toc,.reading-nav,.course-outline){border-color:var(--line)}
.world-site :is(.portal-risk,.reading-example,.strategy-checklist){border-color:var(--line)}
.world-site :is(.method-library h2,.portal-market-grid b,.strategy-card h2){font-family:var(--world-serif);font-weight:400}
.world-site :is(.portal-process,.portal-article-layout,.reading-layout,.course-shell,.lab-layout){padding-bottom:70px}
.world-site #search{border-radius:3px;background:var(--panel);border-color:var(--line);box-shadow:0 30px 100px #0005}
.world-site #search::backdrop{background:#040915c2;backdrop-filter:blur(8px)}
.world-site #mobile-nav{background:var(--panel);border-color:var(--line)}
.world-site #mobile-nav a.active{color:var(--world-accent)}
@media(min-width:1600px){.world-hero{min-height:730px}.world-hero h1{font-size:80px}}
@media(max-width:1190px){.world-desktop-nav{gap:17px}.world-desktop-nav a{font-size:10px}.world-brand>span{font-size:17px}.world-brand img{width:40px;height:40px}.world-brand small{font-size:6px}.world-nav{gap:14px}.world-nav-actions{gap:0}.world-nav-actions .icon-btn{width:35px}.world-library-grid{gap:12px}.world-library-card{padding:20px}.world-library-card h3{font-size:23px}.world-stats>a{padding-inline:20px;gap:12px}.world-hero{min-height:620px}.world-atlas-card{padding:22px}.world-academy{gap:7%}.world-course-row h3{font-size:23px}}
@media(max-width:980px){.world-desktop-nav{display:none}.world-nav{height:80px}.world-brand>span{font-size:18px}.world-brand small{font-size:6.5px}.world-nav-actions .icon-btn{width:41px}.world-hero{min-height:625px}.world-hero-copy{width:75%}.world-hero h1{font-size:59px}.world-hero-art{width:65%;opacity:.67;right:-10%}.world-hero-art>.world-seal{width:85%;right:-5%}.world-hero-copy>p{max-width:370px}.world-stats strong{font-size:34px}.world-stats>a{gap:10px;padding-inline:14px}.world-stats .world-arrow{display:none}.world-stats>a>span:not(.world-arrow){font-size:9px}.world-section{padding-block:72px}.world-section-heading{gap:25px}.world-section-heading>p{max-width:310px;font-size:12px}.world-atlas-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.world-atlas-card{min-height:220px;padding:25px}.world-atlas-card p{max-width:35ch}.world-topic-footer{align-items:start;flex-direction:column;gap:9px}.world-academy{gap:7%;padding-block:58px}.world-academy-intro h2{font-size:34px}.world-course-row{gap:13px}.world-course-row h3{font-size:22px}.world-library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.world-library-card{min-height:280px;padding:27px}.world-library-card h3{font-size:29px}.world-library-card p{max-width:40ch}.world-lab{gap:7%;padding:36px}.world-lab-diagram{padding:20px}.world-lab-caption{flex-wrap:wrap}.world-lab-caption span:last-child{font-size:6px}.world-path{padding-right:22px}.world-path+.world-path{padding-left:22px}.world-path h3{font-size:25px}.world-path>p{font-size:11px}.world-author-copy{padding:38px 9%}.world-author-image{min-height:480px}.world-footer-top{grid-template-columns:1.7fr 1fr 1fr;gap:30px}.world-footer-top>nav:last-child{display:none}}
@media(max-width:700px){.world-site{--gutter:24px}.world-nav{height:76px;gap:10px}.world-brand{gap:8px}.world-brand img{width:35px;height:35px}.world-brand>span{font-size:15px;letter-spacing:.045em}.world-brand small{font-size:5.5px;letter-spacing:.055em;margin-top:4px}.world-nav-actions .icon-btn{width:34px;height:40px}.world-nav-actions .icon-btn svg{width:17px;height:17px}.world-menu-panel{left:12px;right:12px;padding:24px;max-height:76dvh}.world-menu-title{font-size:8px}.world-menu-title>a{font-size:10px}.world-menu-grid{grid-template-columns:1fr;gap:27px}.world-menu-grid>div{display:grid;grid-template-columns:1fr 1fr;gap:3px 20px;align-items:start}.world-menu-grid h2{grid-column:1/-1;font-size:13px;margin-bottom:9px}.world-menu-grid a{font-size:11px;line-height:1.5;min-height:40px}.world-hero{display:block;padding-top:42px;padding-bottom:60px;min-height:795px}.world-hero-copy{width:100%;padding-top:0}.world-overline{font-size:7px;letter-spacing:.12em;gap:9px}.world-hero h1{font-size:clamp(38px,7.8vw,54px);margin-top:22px;line-height:1.16;letter-spacing:-.05em}.world-hero-copy>p{font-size:12px;max-width:38ch;line-height:1.85;margin-top:20px}.world-hero-actions{gap:4px 18px;margin-top:24px}.world-button{font-size:10px;min-height:47px;padding:13px 19px;gap:17px}.world-button-quiet{padding-inline:0}.world-access{font-size:8px;margin-top:14px}.world-hero-art{top:395px;bottom:50px;width:100%;right:0;opacity:1}.world-hero-image{background-position:center 56%;mask-image:linear-gradient(0deg,transparent,#000 25%,#000 75%,transparent);inset:-15% 0 -8%}.world-hero-art:after{background:linear-gradient(0deg,var(--bg),transparent 27%,transparent 70%,var(--bg))}.world-hero-art>.world-seal{width:265px;right:50%;transform:translate(50%,-50%) rotate(-10deg);opacity:.55;top:51%}.world-art-coordinate{font-size:6px;right:24px}.world-coordinate-top{top:20%}.world-coordinate-bottom{bottom:12%}.world-hero-bottom{bottom:17px;padding-top:13px;gap:15px;font-size:6px;letter-spacing:.07em}.world-hero-bottom a{font-size:8px;gap:10px}.world-stats{grid-template-columns:1fr 1fr;padding-block:0}.world-stats>a{border-right:0;gap:15px;padding:21px 0!important}.world-stats>a:nth-child(2n){padding-left:22px!important;border-left:1px solid var(--line)}.world-stats>a:nth-child(-n+2){border-bottom:1px solid var(--line)}.world-stats strong{font-size:36px;min-width:40px}.world-stats>a>span:not(.world-arrow){font-size:9px;max-width:95px}.world-section{padding-block:58px}.world-kicker{font-size:8px;letter-spacing:.1em;margin-bottom:22px;gap:9px}.world-kicker>span{font-size:12px}.world-kicker>i{width:22px}.world-section-heading{display:block;margin-bottom:28px}.world-home h2{font-size:36px;line-height:1.18}.world-section-heading>p{max-width:38ch;font-size:12px;line-height:1.85;margin-top:20px}.world-section-heading>.world-text-link{margin-top:16px}.world-atlas-card{padding:19px 16px 17px;min-height:236px}.world-atlas-top{margin-bottom:23px}.world-atlas-top>span:first-child{font-size:24px}.world-atlas-card h3{font-size:23px}.world-atlas-card p{font-size:10px;line-height:1.75;margin-top:10px}.world-atlas-meta{font-size:8px;padding-top:20px}.world-atlas-meta>span{display:none}.world-topic-footer>span{font-size:7px}.world-topic-footer>div{gap:3px 17px}.world-topic-footer a{font-size:10px}.world-academy{grid-template-columns:1fr;gap:35px;padding-block:49px}.world-academy-intro{padding-bottom:3px}.world-academy-intro>p{max-width:45ch;font-size:12px;margin-block:20px 23px}.world-academy-mark{width:160px;right:-35px;bottom:-80px}.world-course-row{grid-template-columns:23px 1fr 17px;gap:14px;padding:22px 0}.world-course-row h3{font-size:24px;max-width:24ch}.world-course-row p{font-size:10px}.world-course-meta{font-size:7px}.world-curriculum-note{font-size:8px;line-height:1.8}.world-library-grid{gap:12px}.world-library-card{padding:19px 16px;min-height:285px}.world-library-top{margin-bottom:27px;align-items:start}.world-library-top>span{font-size:6px;letter-spacing:.05em;line-height:1.6}.world-library-top svg{width:17px;height:17px}.world-library-card h3{font-size:23px;letter-spacing:-.035em}.world-library-card p{font-size:10px;line-height:1.8}.world-library-bottom{font-size:8px;padding-top:22px}.world-library-bottom .world-arrow{font-size:19px}.world-lab{grid-template-columns:1fr;gap:30px;padding:28px 22px}.world-lab-copy>p{font-size:12px}.world-lab-diagram{padding:20px}.world-lab-caption{font-size:6px;gap:10px;flex-wrap:nowrap}.world-lab-caption span:last-child{font-size:6px}.world-paths{grid-template-columns:1fr}.world-path,.world-path+.world-path{padding:25px 0 26px 53px;border:0}.world-path+.world-path{border-top:1px solid var(--line)}.world-path-number{position:absolute;left:0;top:27px;font-size:28px;margin:0}.world-path h3{font-size:28px}.world-path>p{font-size:11px;max-width:36ch}.world-path-cta{padding-top:20px;font-size:10px}.world-author{grid-template-columns:1fr}.world-author-image{min-height:350px;aspect-ratio:1.1}.world-author-image img{object-position:50% 30%}.world-author-copy{padding:33px 25px}.world-author-copy>p{font-size:12px}.world-author-signature{font-size:24px;margin-top:24px}.world-author-links{gap:1px 22px}.world-author-links .world-text-link{font-size:10px}.world-final{padding-block:65px 67px}.world-final .world-overline{font-size:6.5px;letter-spacing:.12em}.world-final h2{font-size:38px}.world-final>p{font-size:9px}.world-footer{padding-block:36px 27px}.world-footer-top{grid-template-columns:1fr 1fr;gap:27px}.world-footer-top>div{grid-column:1/-1}.world-footer-top>div>p{font-size:27px;margin-top:23px}.world-footer-top>nav:last-child{display:flex;grid-column:1/-1;display:none}.world-footer-top>nav h2{font-size:9px;margin-bottom:10px}.world-footer-top>nav a{min-height:35px;font-size:11px}.world-footer-bottom{flex-wrap:wrap;gap:12px;font-size:8px;margin-top:28px;padding-top:21px}.world-footer-bottom>span:nth-child(2){order:3;width:100%}.world-footer-bottom>a{margin-left:auto}.world-disclaimer{font-size:8px;line-height:1.8;max-width:60ch;margin-top:15px}.world-site #mobile-nav{padding-bottom:env(safe-area-inset-bottom,0px);height:calc(64px + env(safe-area-inset-bottom,0px));box-shadow:0 -10px 30px color-mix(in srgb,var(--bg) 80%,transparent)}.world-site #mobile-nav a{font-size:8px;gap:5px}.world-site #mobile-nav svg{width:18px;height:18px;stroke-width:1.5}.world-site #footer{margin-bottom:64px}.world-site :is(.page-title,.portal-page-title,.wiki-intro,.course-cover){padding-block:37px 29px}.world-site :is(.portal-lead,.page-title>p,.wiki-intro>div>p){font-size:15px}.world-site .portal-article .prose{font-size:16px;line-height:1.85}.world-site .portal-article h1{font-size:37px}.world-site .portal-article .prose h2{font-size:27px}.world-site .breadcrumbs{padding-top:21px;font-size:9px}}
@media(max-width:360px){.world-site{--gutter:18px}.world-nav-actions .icon-btn{width:30px}.world-brand img{width:30px;height:30px}.world-brand>span{font-size:13px}.world-brand small{font-size:4.8px}.world-hero h1{font-size:36px}.world-hero{min-height:810px}.world-hero-art{top:430px}.world-hero-actions{gap:4px 12px}.world-hero-actions .world-button{font-size:9px;gap:10px}.world-hero-actions .world-button-primary{padding-inline:14px}.world-home h2{font-size:32px}.world-atlas-card{padding-inline:13px}.world-atlas-card h3{font-size:21px}.world-library-card{padding-inline:13px}.world-library-card h3{font-size:21px}.world-library-top>span{font-size:5.5px}.world-library-top svg{width:15px;height:15px}.world-stats strong{font-size:32px}.world-stats>a{gap:9px}.world-stats>a:nth-child(2n){padding-left:16px!important}.world-stats>a>span:not(.world-arrow){font-size:8px}.world-lab{padding-inline:18px}.world-author-copy{padding-inline:22px}.world-final h2{font-size:34px}}
@media(prefers-reduced-motion:reduce){.world-site *,.world-site *:before,.world-site *:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
/* Original generated object illustrations, a shared transparent 4×3 atlas. */
.world-asset-icon{display:block;width:65px;height:65px;flex:0 0 65px;background-image:url('/assets/world-icons.webp');background-size:400% 300%;background-position:var(--icon-x) var(--icon-y);background-repeat:no-repeat;filter:saturate(.65);font-size:0!important}
.world-atlas-top{margin-bottom:19px;min-height:63px}.world-atlas-top>.world-asset-icon{font-size:0}.world-atlas-card{min-height:260px}
.world-library-top>.world-asset-icon{width:53px;height:53px;flex-basis:53px}.world-library-top{margin-bottom:23px}
.world-hero-art>.world-seal{opacity:.13;width:83%;right:0;stroke-width:.4}.world-hero-image{opacity:.9;background-position:60% center}
:root:not([data-theme=dark]) .world-hero-art>.world-seal{opacity:.24}
@media(max-width:700px){.world-atlas-top{min-height:52px;margin-bottom:16px}.world-atlas-top>.world-asset-icon{width:53px;height:53px;flex-basis:53px}.world-atlas-card{min-height:260px}.world-library-top{position:relative;padding-top:55px;min-height:70px;margin-bottom:16px}.world-library-top>.world-asset-icon{position:absolute;left:0;top:0;width:47px;height:47px;flex-basis:47px}.world-library-card{min-height:320px}.world-library-top>span:first-child{font-size:6.5px}.world-hero-art>.world-seal{width:285px;right:50%;opacity:.17}.world-hero-image{opacity:.93}}
.world-legal-links{display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:17px}.world-legal-links a{font-size:9px;min-height:28px;color:var(--muted);display:inline-flex;align-items:center}.world-legal-links a:hover{color:var(--world-accent)}.world-author-telegram{margin-top:7px;font-size:10px}.world-disclaimer{margin-top:8px}
@media(max-width:700px){.world-legal-links{gap:2px 16px;margin-top:15px}.world-legal-links a{font-size:8px}.world-author-telegram{font-size:9px}}
/* Keep the editorial second line fully inside the smallest phone viewport. */
@media(max-width:700px){.world-hero h1{font-size:clamp(31px,9.55vw,54px)}}
@media(max-width:360px){.world-hero h1{font-size:31px}}

/* Full text accompanies every visual lesson. */
.media-transcript{margin:42px auto 72px;padding:32px;border:1px solid var(--line);background:var(--panel)}
.media-transcript h3{margin-top:28px;font-size:22px;line-height:1.35}.media-transcript p{font-size:16px;line-height:1.8}.story-player .story-scene-title{font-size:clamp(24px,4vw,36px);line-height:1.25;margin:22px 0 14px}
@media(max-width:480px){.media-transcript{padding:22px}.media-transcript h3{font-size:20px}}

/* Keep the reading action stationary when the pointer arrives after navigation. */
.reading-nav .bookmark-button,.reading-nav .bookmark-button:hover{transform:none!important}

/* Observatory II — contemporary Cyrillic type, precision geometry, quiet light. */
:root{--world-serif:'Unbounded','Manrope',sans-serif;--world-body:'Manrope','Onest',sans-serif;--world-display:'Unbounded','Manrope',sans-serif;--world-glow:color-mix(in srgb,var(--world-accent) 19%,transparent);--round:10px}
.world-site{font-family:var(--world-body);font-size:16px;font-weight:450}
.world-site :is(button,input,select,textarea){font-family:var(--world-body)}
.world-site :is(h1,h2){font-family:var(--world-display);font-weight:450;letter-spacing:-.055em;text-wrap:balance}
.world-site h3{font-family:var(--world-body);font-weight:650;letter-spacing:-.035em}
.world-home :is(h1,h2) em{font-style:normal;font-weight:inherit}
.world-site :is(p,li){text-wrap:pretty}
.world-arrow{width:19px;height:19px;flex:0 0 19px;vertical-align:middle;transition:transform .25s ease}
.world-glyph{display:block;width:54px;height:54px;flex-shrink:0;color:var(--world-accent)}
.world-site #header{z-index:30;background:color-mix(in srgb,var(--bg) 95%,transparent)}
.world-nav{height:88px}
.world-brand>span{font-family:var(--world-display);font-size:14px;font-weight:550;letter-spacing:.035em}
.world-brand small{font-family:var(--world-body);font-size:6.5px;font-weight:550;letter-spacing:.1em}
.world-brand img{filter:drop-shadow(0 0 13px var(--world-glow))}
.world-desktop-nav{gap:22px}.world-desktop-nav a{font-size:12px;font-weight:550}
.world-desktop-nav a:after{content:'';position:absolute;bottom:7px;height:2px;left:0;right:0;transform:scaleX(0);background:var(--world-accent);transition:transform .2s}
.world-desktop-nav a:hover{color:var(--world-accent)}
.world-desktop-nav a.active:after,.world-desktop-nav a:hover:after{transform:scaleX(1);bottom:7px;height:2px}
.world-nav-actions{gap:7px}.world-nav-actions .icon-btn{width:40px;height:40px;min-height:40px;border-radius:11px;background:var(--panel);border:1px solid var(--line)}
.world-nav-actions .icon-btn:hover,.world-menu[open] .world-menu-toggle{background:var(--soft);border-color:var(--world-accent);color:var(--world-accent);box-shadow:0 0 20px var(--world-glow)}
.world-menu-toggle::-webkit-details-marker{display:none}
.world-menu-panel{z-index:50;left:0;right:0;top:calc(100% + 1px);border-radius:0 0 18px 18px;padding:30px 34px 18px;max-height:calc(100dvh - 112px);overscroll-behavior:contain;background:var(--panel);box-shadow:0 28px 80px #0003}
.world-menu-title{padding-bottom:22px;margin-bottom:22px;letter-spacing:.1em}
.world-menu-title>div>span{font-size:9px}.world-menu-title strong{display:block;font-family:var(--world-display);font-size:23px;font-weight:450;letter-spacing:-.045em;line-height:1.4;color:var(--text);margin-top:9px}
.world-menu-title>a{padding:10px 13px;border:1px solid var(--line);border-radius:9px;min-height:44px;font-size:12px;gap:14px}
.world-menu-grid{grid-template-columns:1.1fr 1fr 1fr;gap:28px}
.world-menu-grid>div{align-items:stretch;min-width:0}
.world-menu-group-title{display:flex;align-items:center;gap:11px}
.world-menu-group-title .world-glyph{width:32px;height:32px}
.world-menu-grid h2{font-family:var(--world-body);font-weight:650;font-size:14px;line-height:1.5;margin:0;letter-spacing:-.02em;text-wrap:pretty}
.world-menu-grid>div>p{font-size:11px;color:var(--muted);line-height:1.7;margin:9px 0 15px}
.world-menu-grid a{display:flex;align-items:center;min-height:41px;border-radius:8px;padding:9px 10px;gap:10px;line-height:1.5;font-size:12px;position:relative;color:var(--text)}
.world-menu-grid a>svg:first-child{width:18px;height:18px;flex:0 0 18px;color:var(--world-accent);stroke-width:1.4}
.world-menu-grid a>span{flex:1}.world-menu-grid a>.world-arrow{width:13px;height:13px;flex:0 0 13px;opacity:0;transform:translate(-3px,3px)}
.world-menu-grid a:hover,.world-menu-grid a.active{background:var(--soft);color:var(--world-accent)}
.world-menu-grid a:hover>.world-arrow,.world-menu-grid a:focus-visible>.world-arrow{opacity:1;transform:none}
.world-menu-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:22px;padding-top:18px;font-size:11px;color:var(--muted)}
.world-menu-bottom>span{display:flex;align-items:center;gap:11px}.world-menu-bottom>a{display:flex;align-items:center;gap:14px;color:var(--world-accent);min-height:34px}
.world-hero{min-height:690px;padding-top:52px;padding-bottom:98px}
.world-hero-copy{width:67%;pointer-events:auto}
.world-overline{font-size:10px;font-weight:600;letter-spacing:.13em}
.world-hero h1{font-size:clamp(42px,4.45vw,70px);line-height:1.25;letter-spacing:-.065em;max-width:17ch;margin-top:27px}
.world-hero h1 em{white-space:normal;color:var(--world-accent);background:linear-gradient(105deg,var(--world-accent),color-mix(in srgb,var(--text) 75%,var(--world-accent)) 45%,var(--world-accent));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.world-hero-copy>p{font-size:16px;line-height:1.85;max-width:38ch;margin-top:25px}
.world-hero-art{width:64%;right:-3%;overflow:visible;pointer-events:none}
.world-hero-image{inset:0 -2% 0 -8%;background-position:60% center;opacity:.9;filter:saturate(.75);mask-image:linear-gradient(90deg,transparent,#000 40%,#000 83%,transparent);transform:translate3d(0,var(--world-parallax,0px),0) scale(1.04)}
.world-hero-grid{position:absolute;inset:8% 5% 10% 22%;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:48px 48px;opacity:.16;mask-image:radial-gradient(ellipse,#000,transparent 70%);transform:perspective(550px) rotateY(-12deg)}
.world-hero-art:after{inset:-1% -3%;background:linear-gradient(0deg,var(--bg),transparent 22%,transparent 75%,var(--bg)),linear-gradient(90deg,var(--bg),transparent 48%)}
.world-hero-art>.world-seal{width:82%;right:0;opacity:.23;stroke-width:.55;filter:drop-shadow(0 0 16px var(--world-glow))}
.world-hero-orbit{position:absolute;left:16%;top:13%;width:78%;height:70%;border:1px solid color-mix(in srgb,var(--world-accent) 25%,transparent);border-radius:50%;z-index:1;transform:rotate(-27deg);box-shadow:0 0 30px color-mix(in srgb,var(--world-glow) 40%,transparent),inset 0 0 22px color-mix(in srgb,var(--world-glow) 30%,transparent)}
.world-hero-orbit:before{content:'';position:absolute;left:15%;top:13%;height:5px;width:5px;border-radius:50%;background:var(--world-accent);box-shadow:0 0 12px var(--world-accent),0 0 30px var(--world-glow)}
.world-orbit-two{transform:rotate(35deg);width:70%;height:47%;top:26%;left:22%;opacity:.5}
.world-art-sigil{position:absolute;z-index:2;padding:13px;border:1px solid color-mix(in srgb,var(--world-accent) 28%,transparent);border-radius:50%;background:color-mix(in srgb,var(--bg) 66%,transparent);box-shadow:0 0 35px var(--world-glow);opacity:.85}
.world-art-sigil .world-glyph{width:40px;height:40px}.world-sigil-eye{right:12%;top:14%}.world-sigil-compass{right:3%;bottom:19%}.world-sigil-cube{left:22%;bottom:18%}
.world-art-coordinate{font-size:8px;letter-spacing:.16em;right:18%}.world-coordinate-top{top:8%}.world-coordinate-bottom{bottom:10%}
:root:not([data-theme=dark]) .world-hero-image{opacity:.26;filter:grayscale(.65);mix-blend-mode:multiply}
:root:not([data-theme=dark]) .world-hero-art>.world-seal{opacity:.25}
:root:not([data-theme=dark]) .world-art-sigil{background:color-mix(in srgb,var(--panel) 80%,transparent);box-shadow:0 8px 28px #245cce14}
.world-hero-bottom{font-size:9px}.world-hero-bottom a{font-size:12px;min-height:38px}
.world-hero-actions{gap:12px;margin-top:29px}
.world-button{border-radius:10px;font-size:13px;font-weight:650;min-height:51px;padding:14px 21px;gap:20px;position:relative;overflow:hidden;isolation:isolate}
.world-button-primary{background:linear-gradient(115deg,var(--action),color-mix(in srgb,var(--action) 80%,var(--world-accent)));box-shadow:0 5px 22px var(--world-glow);border-color:color-mix(in srgb,var(--action) 70%,var(--text))}
.world-button-primary:before{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,transparent 20%,#fff3 48%,transparent 72%);transform:translateX(-130%);transition:transform .65s ease}
.world-button-primary:hover:before{transform:translateX(130%)}
.world-button-primary:hover{background:var(--action);color:var(--action-text);border-color:var(--world-accent);box-shadow:0 8px 30px var(--world-glow);transform:translateY(-2px)}
.world-button-quiet{background:color-mix(in srgb,var(--panel) 75%,transparent);border-color:var(--line);padding-inline:19px}
.world-button-quiet:hover{border-color:var(--world-accent);background:var(--soft)}
.world-button:active{transform:translateY(0)}
.world-button:hover .world-arrow,.world-text-link:hover .world-arrow{transform:translate(2px,-2px)}
.world-access{font-size:11px;gap:14px;margin-top:19px}
.world-stats{padding-block:25px}.world-stats strong{font-family:var(--world-display);font-size:34px;font-weight:400}.world-stats>a>span:not(.world-arrow){font-size:11px}.world-stats>a{gap:16px}.world-stats>a:hover strong{color:var(--text)}
.world-principles{display:grid;grid-template-columns:repeat(4,1fr);padding-top:34px;padding-bottom:32px;position:relative}
.world-principles>div{display:flex;align-items:center;gap:18px;padding-left:27px;border-left:1px solid var(--line)}
.world-principles>div:first-child{padding-left:0;border:0}.world-principles .world-glyph{width:49px;height:49px;opacity:.8}
.world-principles strong{display:block;font-size:13px;font-weight:650;color:var(--text)}
.world-principles small{display:block;font-size:10px;line-height:1.6;color:var(--muted);margin-top:4px}
.world-home h2{font-size:clamp(29px,2.85vw,43px);line-height:1.35;font-weight:450;letter-spacing:-.055em}
.world-section{padding-block:82px}.world-principles+.world-section{padding-top:51px}
.world-section-heading>p{font-size:14px;max-width:40ch;line-height:1.85}
.world-kicker{font-size:10px;letter-spacing:.11em;margin-bottom:25px}.world-kicker>span{font-size:11px;font-weight:400}.world-kicker>i{width:34px}
.world-atlas-grid{gap:12px;border:0}
.world-atlas-card{border:1px solid var(--line);border-radius:12px;padding:25px 23px 23px;min-height:278px;overflow:hidden;background:linear-gradient(145deg,var(--panel),var(--bg));transition:transform .25s,background .25s,border-color .25s,box-shadow .25s}
.world-atlas-card:before,.world-library-card:before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 100% 0,var(--world-glow),transparent 64%);opacity:0;transition:opacity .3s}
.world-atlas-card:hover{transform:translateY(-4px);border-color:var(--world-accent);box-shadow:0 14px 34px #00000012;background:var(--panel)}
.world-atlas-card:hover:before,.world-library-card:hover:before{opacity:1}
.world-atlas-card h3{font-family:var(--world-body);font-size:23px;font-weight:650;line-height:1.25}
.world-atlas-card p{font-size:12px;line-height:1.8;max-width:31ch}.world-atlas-meta{font-size:10px;gap:8px}.world-atlas-meta>span{font-size:9px}
.world-atlas-top .world-arrow{opacity:.6}.world-asset-icon{filter:saturate(.9) drop-shadow(0 3px 9px var(--world-glow));transition:transform .4s,filter .4s}
.world-atlas-card:hover .world-asset-icon,.world-library-card:hover .world-asset-icon{transform:translateY(-3px) rotate(-4deg);filter:saturate(1.1) drop-shadow(0 0 14px var(--world-glow))}
.world-topic-footer>span{font-size:9px}.world-topic-footer a{font-size:12px}
.world-academy{gap:8%;padding-block:72px}.world-academy-intro h2{font-size:clamp(28px,2.55vw,38px)}
.world-academy-intro>p{font-size:14px;line-height:1.9}.world-academy-mark{width:260px;bottom:-110px;opacity:.2}
.world-course-number{font-size:13px}.world-course-row{padding:24px 12px;gap:19px;border-radius:8px;transition:background .25s}.world-course-row:hover{background:var(--soft)}
.world-course-row h3{font-family:var(--world-body);font-size:25px;font-weight:600;line-height:1.3}.world-course-row p{font-size:12px}.world-course-meta{font-size:9px}.world-curriculum-note{font-size:11px;line-height:1.7}
.world-library-grid{gap:15px}.world-library-card{position:relative;overflow:hidden;border-radius:12px;background:linear-gradient(160deg,var(--panel),var(--bg));padding:25px;min-height:330px}
.world-library-card:hover{border-color:var(--world-accent)}.world-library-card h3{font-family:var(--world-body);font-weight:600;font-size:27px;line-height:1.25;letter-spacing:-.04em}.world-library-card p{font-size:12px;line-height:1.85}.world-library-top>span:first-child{font-size:8px;letter-spacing:.07em}.world-library-bottom{font-size:10px}.world-library-top{gap:12px}
.world-text-link{font-size:12px;font-weight:600}.world-lab{border-radius:15px;background:radial-gradient(ellipse at 92% 0,var(--world-glow),transparent 55%),var(--panel)}
.world-lab-copy h2{font-size:clamp(28px,2.65vw,40px)}.world-lab-copy>p{font-size:14px}.world-lab-diagram{border-radius:11px;background:color-mix(in srgb,var(--bg) 70%,transparent);box-shadow:0 20px 50px #00000014}
.world-lab-caption{font-size:8px}.world-order-label{font-size:11px}.world-order-row{font-size:14px;padding-block:12px}.world-order-spread{font-size:10px}.world-lab-diagram>p{font-size:11px}
.world-path-number{font-size:24px;font-weight:400;opacity:.8}.world-path h3{font-family:var(--world-body);font-size:28px;font-weight:650}.world-path>p{font-size:14px}.world-path-cta{font-size:12px}.world-path:hover .world-arrow{transform:translate(2px,-2px)}
.world-author{border-radius:15px;overflow:hidden}.world-author-copy{padding:47px 10%}.world-author-copy h2{font-size:clamp(29px,2.8vw,43px)}.world-author-copy>p{font-size:15px}.world-author-image img{filter:saturate(.75)}.world-author-image>span{font-size:9px}
.world-author-signature{font-family:var(--world-body);font-style:normal;font-size:23px;font-weight:600}.world-author-signature>span{font-family:var(--world-body);font-size:9px;font-weight:450;letter-spacing:.12em}.world-author-links{gap:8px 20px}.world-author-telegram{font-size:12px}
.world-final{padding-block:95px}.world-final:before{content:'';position:absolute;inset:0 15%;background:radial-gradient(ellipse,var(--world-glow),transparent 68%);z-index:-1;pointer-events:none}.world-final{isolation:isolate}.world-final h2{font-size:clamp(32px,3.8vw,56px);line-height:1.35}.world-final>p{font-size:12px}.world-final .world-overline{font-size:9px}
.world-footer-top>div>p{font-family:var(--world-body);font-size:26px;font-weight:550;letter-spacing:-.04em}.world-footer-top>nav h2{font-family:var(--world-body);font-size:12px;letter-spacing:0;font-weight:650}.world-footer-top>nav a{font-size:12px;min-height:36px}.world-footer-bottom{font-size:11px}.world-legal-links a{font-size:11px;min-height:34px}.world-disclaimer{font-size:11px;line-height:1.8}
/* Shared controls: coherent states on every learning and practice route. */
.world-site :is(.btn,.chip,.filter-chip,.bookmark-button){border-radius:9px;transition:background .2s,border-color .2s,color .2s,box-shadow .2s}
.world-site .btn{font-family:var(--world-body);font-size:13px;font-weight:650;min-height:46px;padding:12px 18px}
.world-site .btn.primary{background:var(--action);color:var(--action-text);border-color:var(--action);box-shadow:0 4px 15px var(--world-glow)}
.world-site .btn.primary:not(:disabled):hover{background:color-mix(in srgb,var(--action) 86%,var(--text));color:var(--action-text);border-color:var(--world-accent)}
.world-site .btn.ghost{background:var(--panel);color:var(--text)}.world-site .btn.ghost:not(:disabled):hover{background:var(--soft);border-color:var(--world-accent)}
.world-site button:disabled{cursor:not-allowed;opacity:.45}.world-site [aria-pressed=true]{border-color:var(--world-accent)}
.world-site :is(input,select,textarea){border-radius:8px;background:var(--panel);color:var(--text);border-color:var(--line)}
.world-site :is(input,select,textarea):focus{border-color:var(--world-accent)}
.world-site :focus-visible{outline:2px solid var(--world-accent);outline-offset:4px;box-shadow:0 0 0 5px var(--bg)}
.world-site :is(.page-title,.portal-page-title,.wiki-intro,.course-cover,.portal-article) h1{font-family:var(--world-display);font-weight:450;font-size:clamp(30px,3.5vw,51px);line-height:1.3;letter-spacing:-.055em;overflow-wrap:anywhere}
.world-site :is(.method-library h2,.portal-market-grid b,.strategy-card h2,.portal-article .prose h2,.portal-article .prose h3){font-family:var(--world-body);font-weight:650;line-height:1.35}
.world-site :is(.breadcrumbs,.reading-meta){font-size:11px;letter-spacing:.01em}
.world-site #search{border-radius:16px;box-shadow:0 30px 100px #0007}.world-site #results a{border-radius:9px}.world-site #results a:hover{background:var(--soft)}
.world-site #mobile-nav a{position:relative}.world-site #mobile-nav a.active:before{content:'';position:absolute;top:0;left:25%;right:25%;height:2px;background:var(--world-accent);box-shadow:0 0 10px var(--world-glow)}
@keyframes world-orbit-glow{0%,100%{opacity:.5}50%{opacity:1}}
@keyframes world-sigil-drift{0%,100%{translate:0 0}50%{translate:0 -7px}}
@keyframes world-reveal{from{opacity:.55;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:no-preference){.world-hero-orbit:before{animation:world-orbit-glow 6s ease-in-out infinite}.world-art-sigil{animation:world-sigil-drift 10s ease-in-out infinite}.world-sigil-compass{animation-delay:-3s}.world-sigil-cube{animation-delay:-6s}.world-revealed{animation:world-reveal .6s cubic-bezier(.2,.7,.2,1) both}}
@media(min-width:1600px){.world-hero{min-height:750px}.world-hero h1{font-size:73px}}
@media(max-width:1190px){.world-desktop-nav{gap:15px}.world-desktop-nav a{font-size:11px}.world-brand>span{font-size:12px}.world-brand small{font-size:6px}.world-nav{gap:15px}.world-hero h1{font-size:clamp(40px,4.7vw,57px)}.world-hero-copy>p{font-size:15px}.world-stats>a{padding-inline:16px;gap:11px}.world-stats strong{font-size:29px}.world-stats>a>span:not(.world-arrow){font-size:10px}.world-principles>div{padding-left:18px;gap:12px}.world-principles .world-glyph{width:40px;height:40px}.world-atlas-card{padding:22px 19px}.world-atlas-card h3{font-size:21px}.world-atlas-meta>span{display:none}.world-library-card{padding:22px}.world-library-card h3{font-size:24px}.world-menu-grid{gap:19px}}
@media(max-width:980px){.world-nav{height:80px}.world-brand>span{font-size:14px}.world-brand small{font-size:6.5px}.world-desktop-nav{display:none}.world-hero{min-height:650px}.world-hero-copy{width:78%}.world-hero h1{font-size:clamp(39px,5.7vw,55px)}.world-hero-art{width:75%;right:-12%;opacity:.8}.world-sigil-cube{display:none}.world-hero-copy>p{max-width:35ch}.world-principles{grid-template-columns:repeat(2,1fr);gap:24px}.world-principles>div:nth-child(3){padding-left:0;border:0}.world-principles>div:nth-child(2n){padding-left:26px}.world-principles strong{font-size:14px}.world-principles small{font-size:11px}.world-atlas-grid{gap:14px}.world-atlas-card{min-height:255px;padding:24px}.world-atlas-card h3{font-size:24px}.world-atlas-card p{font-size:13px}.world-atlas-meta>span{display:block}.world-academy{gap:6%}.world-academy-intro h2{font-size:29px}.world-course-row h3{font-size:23px}.world-library-card{min-height:305px;padding:26px}.world-library-card h3{font-size:29px}.world-library-card p{font-size:13px}.world-path>p{font-size:13px}.world-path h3{font-size:26px}.world-author-copy{padding:36px 8%}.world-author-copy>p{font-size:14px}.world-menu-panel{left:0;right:0}.world-menu-grid a{font-size:11px;gap:7px;padding-inline:7px}.world-menu-grid h2{font-size:12px}.world-menu-grid>div>p{font-size:10px}.world-menu-group-title{gap:8px}.world-menu-group-title .world-glyph{width:27px;height:27px}}
@media(max-width:700px){.world-site{--gutter:22px}.world-nav{height:76px;gap:10px}.world-brand{gap:8px}.world-brand img{width:33px;height:33px}.world-brand>span{font-size:11px}.world-brand small{font-size:5.3px;letter-spacing:.035em;margin-top:5px}.world-nav-actions{gap:5px}.world-nav-actions .icon-btn{width:34px;height:37px;min-height:37px;border-radius:9px}.world-nav-actions .icon-btn svg{width:17px;height:17px}.world-menu-panel{left:10px;right:10px;padding:22px 17px 15px;border-radius:0 0 13px 13px;max-height:calc(100dvh - 155px)}.world-menu-title{gap:12px;align-items:start;margin-bottom:20px;padding-bottom:18px}.world-menu-title>div>span{font-size:7px;letter-spacing:.05em}.world-menu-title strong{font-size:17px;max-width:14ch;margin-top:7px}.world-menu-title>a{font-size:10px;gap:8px;padding:9px;min-height:40px;max-width:120px}.world-menu-title>a .world-arrow{width:14px;height:14px;flex-basis:14px}.world-menu-grid{grid-template-columns:1fr;gap:24px}.world-menu-grid>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 7px}.world-menu-group-title{grid-column:1/-1;gap:11px}.world-menu-grid h2{font-size:14px;margin:0;grid-column:auto}.world-menu-grid>div>p{grid-column:1/-1;font-size:11px;margin:3px 0 9px}.world-menu-grid a{font-size:11px;min-height:44px;line-height:1.5;padding:8px 5px;gap:7px}.world-menu-grid a>svg:first-child{width:16px;height:16px;flex-basis:16px}.world-menu-grid a>.world-arrow{display:none}.world-menu-bottom{flex-wrap:wrap;gap:7px;font-size:10px;margin-top:21px;padding-top:14px}.world-menu-bottom>a{font-size:11px}.world-hero{min-height:800px;display:block;padding-top:39px;padding-bottom:65px}.world-hero-copy{width:100%}.world-overline{font-size:8px;letter-spacing:.08em;gap:9px}.world-hero h1{font-size:clamp(29px,7.3vw,49px);line-height:1.31;letter-spacing:-.06em;margin-top:24px;max-width:17ch}.world-hero-copy>p{font-size:14px;line-height:1.85;max-width:37ch;margin-top:21px}.world-hero-actions{margin-top:24px;gap:9px;align-items:stretch}.world-button{font-size:11px;min-height:48px;padding:13px 16px;gap:12px;border-radius:9px}.world-hero-actions .world-button{flex:0 1 auto}.world-hero-actions .world-button-quiet{padding-inline:13px}.world-access{font-size:10px;margin-top:18px;gap:12px}.world-hero-art{top:405px;bottom:51px;width:100%;right:0;opacity:1;overflow:hidden}.world-hero-image{inset:-8% -11% -12%;mask-image:linear-gradient(0deg,transparent,#000 25%,#000 80%,transparent);background-position:center 58%;opacity:.85}.world-hero-art:after{background:linear-gradient(0deg,var(--bg),transparent 24%,transparent 74%,var(--bg));inset:0}.world-hero-art>.world-seal{width:290px;right:50%;top:52%;transform:translate(50%,-50%) rotate(-10deg);opacity:.24}.world-hero-grid{inset:0 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.world-glyph{width:33px;height:33px}.world-principles strong{font-size:12px}.world-principles small{font-size:9px}.world-home h2{font-size:clamp(25px,6.3vw,36px);line-height:1.4;letter-spacing:-.055em}.world-section{padding-block:54px}.world-principles+.world-section{padding-top:27px}.world-kicker{font-size:9px;letter-spacing:.07em;gap:9px;margin-bottom:21px}.world-kicker>i{width:26px}.world-section-heading>p{font-size:13px;line-height:1.85;max-width:40ch;margin-top:20px}.world-section-heading{margin-bottom:25px}.world-atlas-grid{gap:10px}.world-atlas-card{padding:19px 15px 17px;min-height:260px;border-radius:10px}.world-atlas-top{margin-bottom:17px}.world-atlas-card h3{font-size:20px;line-height:1.25;letter-spacing:-.04em;overflow-wrap:anywhere}.world-atlas-card p{font-size:11px;line-height:1.75;margin-top:11px}.world-atlas-meta{font-size:10px;padding-top:20px}.world-atlas-meta>span{display:none}.world-atlas-top .world-arrow{width:16px;height:16px;flex-basis:16px}.world-atlas-top>.world-asset-icon{width:55px;height:55px;flex-basis:55px}.world-topic-footer>span{font-size:8px;letter-spacing:.06em}.world-topic-footer a{font-size:11px}.world-academy{padding-block:49px;gap:29px}.world-academy-intro h2{font-size:clamp(25px,6.3vw,36px)}.world-academy-intro>p{font-size:13px;max-width:43ch}.world-academy-intro{padding-bottom:12px}.world-academy-mark{width:185px;right:-40px;bottom:-75px}.world-course-row{padding:22px 5px;gap:12px;grid-template-columns:22px 1fr 18px}.world-course-row h3{font-size:23px;max-width:24ch}.world-course-row p{font-size:12px}.world-course-meta{font-size:9px;letter-spacing:.06em}.world-curriculum-note{font-size:10px}.world-library-grid{gap:10px}.world-library-card{padding:19px 15px;min-height:345px;border-radius:10px}.world-library-card h3{font-size:22px;line-height:1.25}.world-library-card p{font-size:11px;line-height:1.8}.world-library-top>span:first-child{font-size:7px;letter-spacing:.04em}.world-library-bottom{font-size:9px;padding-top:22px}.world-lab{padding:28px 22px;border-radius:12px;gap:26px}.world-lab-copy h2{font-size:clamp(25px,6.3vw,36px)}.world-lab-copy>p{font-size:13px}.world-lab-diagram{padding:20px 17px}.world-lab-caption{font-size:7px;gap:8px;flex-wrap:wrap}.world-lab-caption span:last-child{font-size:7px}.world-order-label{font-size:10px}.world-order-row{font-size:13px}.world-order-spread{font-size:9px}.world-lab-diagram>p{font-size:10px}.world-path,.world-path+.world-path{padding:25px 0 25px 45px}.world-path-number{font-size:20px;top:29px}.world-path h3{font-size:26px}.world-path>p{font-size:13px;max-width:36ch}.world-path-cta{font-size:11px}.world-author{border-radius:12px}.world-author-copy{padding:31px 23px}.world-author-copy 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.world-coordinate-bottom{font-size:8px;letter-spacing:.09em}
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/* Shared engraving: one inert mask, no paint-heavy fixed layer or animation. */
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@media print{.world-site:not([data-world-page="home"]) #main{background-image:none}.world-site:not([data-world-page="home"]) #main:before{display:none}}

/* Real institutions keep neutral financial imagery in their surrounding frame. */
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/* Narrow reading layouts: respect intrinsic word width instead of clipping it. */
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