@charset "UTF-8";
@import url('./learning.css');
@import url('./depth.css');
:root{color-scheme:dark;--bg:#080c12;--navy:#101d31;--panel:#101722;--gold:#d9bd7f;--text:#f1efe9;--muted:#aab2bd;--line:#ffffff20;font-family:"Segoe UI",Arial,sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}a:hover{color:var(--gold)}:focus-visible{outline:3px solid var(--gold);outline-offset:5px}img{max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:400;line-height:1.12;letter-spacing:-.035em}h1{font-size:clamp(2.7rem,5.2vw,5rem);margin-bottom:28px}h2{font-size:clamp(2rem,3.25vw,3.1rem);margin-bottom:24px}h3{font-size:1.7rem}em{font-family:Georgia,serif;font-weight:400;color:var(--gold)}.shell{width:min(1280px,calc(100% - 96px));margin-inline:auto}.site-header{min-height:100px;padding:22px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;border-bottom:1px solid var(--line)}.wordmark{font-size:2rem;font-weight:600;letter-spacing:.17em;line-height:1.1;white-space:nowrap}.wordmark span{display:block;font-size:.625rem;letter-spacing:.17em;color:var(--gold);margin-top:9px}.site-header nav{display:flex;align-items:center;gap:30px;font-size:.875rem}.nav-edition{border:1px solid #d9bd7f66;padding:10px 17px}.nav-edition span{margin-left:12px;color:var(--gold)}.menu-toggle{display:none;border:1px solid var(--line);padding:10px 18px;background:none;color:var(--text)}.eyebrow{color:var(--gold);font-size:.75rem;font-weight:600;letter-spacing:.15em;line-height:1.7;margin-bottom:24px}.hero{display:grid;grid-template-columns:1.08fr 1fr;align-items:center;min-height:620px;padding-top:70px;padding-bottom:75px;gap:28px}.hero h1{font-size:clamp(2.7rem,4.5vw,4.7rem)}.lead{font-size:1.125rem;color:#b9c1cc;max-width:640px;line-height:1.8}.hero .lead{max-width:480px}.hero-art{margin:0;position:relative;overflow:hidden;background:#0a0d12}.hero-art img{display:block;width:100%;min-height:340px;object-fit:cover;object-position:center}.hero-art figcaption{font-size:.65rem;letter-spacing:.22em;text-align:center;color:#98947f;margin-top:20px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin:34px 0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:49px;padding:12px 22px;border:1px solid #d9bd7f70;color:var(--text);font-size:.875rem;font-weight:600;background:transparent}.button:hover{background:#d9bd7f15}.button.gold{background:var(--gold);border-color:var(--gold);color:#10151d}.button.gold:hover{background:#e7cc97}.hero-caption{font-size:.65rem;letter-spacing:.2em;color:#969eaa;margin-top:42px}.discipline-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;padding:24px 4px;font-size:.8rem;letter-spacing:.15em;text-transform:uppercase;color:#bec4cc;gap:16px}.section{padding-top:100px;padding-bottom:100px}.section.compact{padding-top:20px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:44px;margin-bottom:44px}.section-heading p:not(.eyebrow){max-width:390px;color:var(--muted)}.section-heading h2{margin-bottom:0}.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}.platform-card{padding:30px 26px;display:flex;flex-direction:column;border-right:1px solid var(--line);min-width:0}.platform-card:last-child{border-right:0}.platform-card:hover{background:var(--panel);color:var(--text)}.index{font-size:.75rem;color:var(--gold);letter-spacing:.13em;margin-bottom:45px}.platform-card h3{font-size:1.6rem;margin-bottom:22px;overflow-wrap:anywhere}.platform-card strong{font-size:.94rem;font-weight:500;line-height:1.6;margin-bottom:12px}.platform-card p{font-size:.94rem;color:var(--muted);margin-bottom:34px}.text-link{font-size:.875rem;color:var(--gold);border-bottom:1px solid #d9bd7f50;padding-bottom:5px;align-self:start;margin-top:auto}.living-feature{background:linear-gradient(110deg,#111d30,#0d1522);border-block:1px solid #d9bd7f25;padding:90px 0}.living-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:100px;align-items:center}.living-inner>div>p:not(.eyebrow){color:#b7c0ce;max-width:490px}.living-inner .button{margin-top:16px}.edition-example{border:1px solid #d9bd7f50;padding:30px;background:#080e1899}.edition-top{font-size:.7rem;letter-spacing:.12em;color:var(--gold);display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.edition-top span{font-size:2rem}.edition-example h3{font-size:2rem}.edition-example dl{margin:24px 0 14px}.edition-example dl div{display:flex;justify-content:space-between;gap:18px;border-top:1px solid var(--line);padding:12px 0;font-size:.875rem}.edition-example dt{color:var(--muted)}dd{margin:0}.edition-example>p{font-size:.8rem!important;color:var(--muted)}.gold-text{color:var(--gold)}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.content-card{padding:28px;background:var(--panel);border:1px solid var(--line);display:flex;flex-direction:column;min-width:0}.content-card:hover{border-color:#d9bd7f70;color:var(--text)}.content-card h3{font-size:1.5rem;line-height:1.25}.content-card>p:not(.eyebrow){font-size:.94rem;color:var(--muted)}.content-card .eyebrow{font-size:.7rem}.card-bottom{border-top:1px solid var(--line);padding-top:18px;margin-top:auto;display:flex;gap:12px;justify-content:space-between;font-size:.75rem;color:var(--muted)}.status{color:var(--gold)}.insight-feature{padding:65px 0 85px;border-top:1px solid var(--line)}.insight-feature p:not(.eyebrow){max-width:560px;color:var(--muted)}.insight-feature .button{margin-top:16px}.site-footer{border-top:1px solid var(--line);padding-top:50px;padding-bottom:35px;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.site-footer p{font-size:.875rem;color:var(--muted);margin-top:20px}.site-footer>div:nth-child(2){display:flex;flex-direction:column;gap:10px;font-size:.875rem}.footer-note{margin-top:0!important;text-align:right}.page-intro{padding-top:85px;padding-bottom:55px}.page-intro h1{max-width:950px}.filter-bar{display:flex;gap:20px;margin-bottom:25px}.filter-bar label{display:grid;gap:10px;flex:1;font-size:.875rem;color:var(--muted)}input,select{min-width:0;width:100%;background:#111b28;border:1px solid #748095;color:var(--text);padding:13px 16px;border-radius:0}input::placeholder{color:#a3aab3}#catalog-count,#prompt-count{color:var(--muted);font-size:.875rem;margin-bottom:24px}.atlas-link{display:flex;justify-content:space-between;align-items:center;gap:35px;padding:35px;border:1px solid #d9bd7f50;background:var(--navy);margin:25px 0 50px}.atlas-link p{color:var(--muted);margin-bottom:0;max-width:720px}.atlas-link h2{font-size:2rem;margin-bottom:15px}.atlas-link .button{flex-shrink:0}.prompt-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.prompt-card{border:1px solid var(--line);padding:26px;background:var(--panel)}.prompt-card h2{font-size:1.5rem}.prompt-card textarea{display:block;width:100%;min-height:200px;background:#080e16;color:#c6ced7;font:inherit;line-height:1.7;border:1px solid var(--line);padding:14px;margin:18px 0;resize:vertical}.prompt-card button{margin-right:16px}.copy-status{font-size:.875rem;color:var(--gold)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-bottom:60px}.steps article{border-top:1px solid var(--gold);padding-top:24px}.steps span{color:var(--gold);font-size:.75rem;letter-spacing:.12em}.steps h2{font-size:1.8rem;margin:30px 0 22px}.steps p{color:var(--muted)}.editorial{max-width:780px;padding-bottom:90px}.editorial p{font-size:1.125rem;color:#bac3ce}.editorial h2{margin-top:35px}.source-note{font-size:.875rem!important;color:var(--muted);border-top:1px solid var(--line);padding-top:25px;overflow-wrap:anywhere}.edition-register{margin:80px 0 40px}.edition-row{display:grid;grid-template-columns:2fr .5fr 1fr 1fr;gap:22px;align-items:center;border-bottom:1px solid var(--line);padding:20px 0;font-size:.875rem}.edition-row span{color:var(--muted)}.edition-row small{display:block;color:var(--muted);font-size:.75rem}.edition-row .status{color:var(--gold)}.review-note{border-left:3px solid var(--gold);background:#d9bd7f0b;padding:18px 22px;color:#d4c7aa;font-size:.94rem;margin-bottom:34px}.reader-heading{padding-top:60px;padding-bottom:20px}.reader-heading h1{font-size:clamp(2.2rem,4vw,3.6rem)}.edition-meta{display:flex;gap:40px;flex-wrap:wrap;padding-block:20px;border-top:1px solid var(--line)}.edition-meta dt{font-size:.8rem;color:var(--muted)}.edition-meta dd{font-size:.94rem;color:var(--gold)}.reader-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:60px;align-items:start;padding-bottom:80px}.reader-layout:not(:has(.reader-toc)){display:block;max-width:880px}.reader-toc{position:sticky;top:25px;max-height:85vh;overflow:auto;font-size:.875rem;border-top:1px solid var(--line);padding-top:18px}.reader-toc a{display:block;color:var(--muted);padding:8px 0}.reader-toc summary{color:var(--gold);margin-bottom:15px}.reading{min-width:0;color:#c8cfd7;overflow-wrap:anywhere;font-size:1.0625rem;line-height:1.9}.reading h2{font-size:2.1rem;color:var(--text);margin:45px 0 24px;line-height:1.3}.reading h3{font-size:1.5rem;color:var(--gold);margin-top:32px}.reading section,.reading article{margin-bottom:40px}.reading ul,.reading ol{padding-left:26px}.reading p{margin-bottom:20px}.reading a{color:var(--gold);text-decoration:underline}.reading img{display:block;margin:25px auto;max-height:500px;object-fit:contain}.table-scroll{overflow:auto;max-width:100%;margin-block:26px}.reading table{border-collapse:collapse;min-width:550px;width:100%;font-size:.94rem}.reading th,.reading td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.reading th{background:var(--navy);color:var(--text)}.reading blockquote{border-left:2px solid var(--gold);padding-left:22px;margin-left:0}.reading pre{white-space:pre-wrap}.skip{position:absolute;top:-80px;left:20px;background:var(--gold);color:#000;padding:12px;z-index:100}.skip:focus{top:10px}[hidden]{display:none!important}
@media(min-width:1550px){.hero-art img{min-height:390px}}
@media(max-width:1100px){.site-header{padding:20px 30px}.site-header nav{gap:17px}.shell{width:calc(100% - 60px)}.hero{gap:15px;min-height:580px}.hero-art img{min-height:300px}.living-inner{gap:45px}.platform-grid{grid-template-columns:repeat(2,1fr)}.platform-card:nth-child(2){border-right:0}.platform-card:nth-child(-n+2){border-bottom:1px solid var(--line)}.reader-layout{grid-template-columns:190px minmax(0,1fr);gap:30px}}
@media(max-width:850px){.site-header{position:relative;flex-wrap:wrap;min-height:86px}.menu-toggle{display:block}.site-header nav{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;padding:20px 0}.site-header nav.open{display:flex}.hero{grid-template-columns:1fr;padding-block:60px 40px}.hero h1{font-size:clamp(2.7rem,7vw,4.2rem)}.hero-art{max-width:560px;width:100%;margin:15px auto 0}.hero-art img{min-height:0}.discipline-strip{flex-wrap:wrap;justify-content:center;font-size:.75rem;gap:18px 30px}.living-inner{grid-template-columns:1fr}.card-grid{grid-template-columns:repeat(2,1fr)}.section{padding-block:65px}.section-heading{align-items:start;flex-direction:column;gap:22px}.section-heading p{margin-bottom:0}.steps{grid-template-columns:1fr;gap:25px}.steps h2{margin-top:18px}.reader-layout{display:block}.reader-toc{position:static;max-height:260px;margin-bottom:32px}.edition-row{grid-template-columns:1.5fr .5fr 1fr}.edition-row>span:last-child{grid-column:1/-1}.site-footer{grid-template-columns:1fr 1fr}.footer-note{text-align:left}.atlas-link{align-items:start;flex-direction:column}}
@media(max-width:540px){.shell{width:calc(100% - 40px)}.site-header{padding:20px}.hero .eyebrow{font-size:.65rem}.hero h1{font-size:2.65rem}.hero .lead{font-size:1rem}.actions{flex-direction:column;align-items:stretch}.hero-caption{font-size:.6rem}.platform-grid,.card-grid,.prompt-grid{grid-template-columns:1fr}.platform-card{border-right:0;border-bottom:1px solid var(--line)}.platform-card:last-child{border-bottom:0}.platform-card .index{margin-bottom:28px}.living-feature{padding:60px 0}.edition-example{padding:23px}.edition-example dl div{flex-direction:column;gap:4px}.filter-bar{flex-direction:column}.page-intro{padding-top:55px}.page-intro h1{font-size:2.65rem}.site-footer{grid-template-columns:1fr;gap:24px}.atlas-link{padding:24px}.edition-row{grid-template-columns:1fr 1fr;gap:8px}.edition-row>a{grid-column:1/-1}.edition-meta{gap:18px 30px}.edition-meta>div{min-width:40%}.reading h2{font-size:1.7rem}.reading{font-size:1rem}.reader-heading h1{font-size:2.2rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.site-header,.site-footer,.reader-toc,.skip{display:none}body{background:white;color:black}.reading,.reading h2,.reading h3,.reading a,.reader-heading,.lead{color:black}.reader-layout{display:block}.shell{width:100%}.review-note{color:black}.table-scroll{overflow:visible}.reading table{min-width:0}}

.news-list{max-width:960px}.news-story{padding:40px 0 48px;border-top:1px solid var(--line);scroll-margin-top:30px}.news-story h2{font-size:clamp(1.8rem,4vw,2.7rem);line-height:1.2}.news-story p{max-width:70ch;overflow-wrap:anywhere}.news-story .source-note{margin:24px 0}.news-story h3{margin-top:26px}.news-story .text-link{overflow-wrap:anywhere}#current-lab{border-top:1px solid var(--line);margin-top:32px}#current-lab li{margin-bottom:16px}#current-lab details{padding:20px;border:1px solid var(--line);margin:24px 0}#current-lab summary{cursor:pointer;color:var(--gold)}#current-lab details p{padding-top:18px}

/* RFLX presentation: bounded responsive addition */
.rflx-learning-intro{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px)}.rflx-learning-intro ul{margin:0;padding-left:1.3em}.rflx-learning-intro li{padding:0 0 18px 8px;line-height:1.7}.rflx-learning-intro p{max-width:60ch}.hero-copy .lead{max-width:58ch}@media(max-width:760px){.rflx-learning-intro{grid-template-columns:1fr}.hero-copy .lead{font-size:1.1rem}}

/* Shared link treatment across the entire RFLX website. */
body a,body a:hover,body a:focus-visible{ text-decoration:none!important }
body a:not(.button):hover,body a:not(.button):focus-visible{color:#efc563!important;text-shadow:0 0 14px #d5a12b66}
body .text-link,body .text-link:hover,body .text-link:focus-visible{border-bottom:0!important}
body.layout-v3 a:not(.button):hover,body.layout-v3 a:not(.button):focus-visible,body.layout-v3 .site-header a.wordmark:hover span,body.layout-v3 .site-header a.wordmark:focus-visible span{color:#986409!important;text-shadow:0 0 14px #c7923255}
body.layout-v3 .site-header nav a:hover,body.layout-v3 .site-header nav a:focus-visible,body.layout-v3 .text-link:hover,body.layout-v3 .text-link:focus-visible{background:#f0ddb0!important;box-shadow:none!important}
body a.button:hover,body a.button:focus-visible{border-color:#d4a340!important;background:#d4a340!important;color:#182a2a!important;text-shadow:none}
body a:focus-visible{outline:3px solid #c69532;outline-offset:5px}