:root{color-scheme:dark;--bg:#0d1020;--muted:#b8bbd2;--lavender:#cbb5ed;--line:#ffffff14}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:radial-gradient(ellipse at 78% 12%,#24213c77,transparent 35%),var(--bg);color:#f4f0fa;font-family:"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.7}a{color:inherit;text-decoration:none}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:2px solid var(--lavender);outline-offset:6px}a{transition:color .2s,background .2s,transform .2s}a:hover{color:#decaff}p{color:var(--muted)}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:500}h1,h2{letter-spacing:-.035em;text-wrap:balance;line-height:1.3}h1{font-size:clamp(36px,4vw,58px)}h2{font-size:clamp(27px,3vw,38px)}h3{line-height:1.5}em{font-style:normal;color:var(--lavender)}.container{width:min(1180px,calc(100% - 64px));margin-inline:auto}.skip{position:absolute;left:20px;top:-100px;z-index:99;background:#241d3d;padding:12px}.skip:focus{top:10px}header{position:sticky;top:0;z-index:10;background:#0d1020ed;border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.nav{display:flex;align-items:center;gap:38px;height:84px}.brand{display:flex;align-items:center;gap:12px;font-size:23px;letter-spacing:-.8px;font-weight:500}.brand-icon{font-size:39px;color:var(--lavender);line-height:1}.brand-ge{color:#a49bbd}.nav nav{display:flex;gap:30px;margin-left:auto;font-size:13px;color:#c9c5d6}.nav-cta{font-size:13px;border:1px solid #bfa2ff42;border-radius:9px;padding:9px 17px}.nav-cta span{margin-left:16px;color:var(--lavender)}.mobile-menu{display:none}.hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:30px;min-height:650px;padding-block:65px 55px}.eyebrow{display:block;font-size:11px;color:#b6a0d2;letter-spacing:.06em;margin-bottom:24px}.eyebrow i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#cbb5ed;margin-right:8px}.hero h1{margin-bottom:25px}.hero-copy>p{font-size:16px;line-height:1.9}.actions{display:flex;gap:27px;align-items:center;margin-top:30px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;padding:14px 22px;background:#cbb5ed;color:#20192e;border-radius:9px;font-size:13px;font-weight:500;line-height:1.5}.button:hover{background:#ddc9f8;color:#20192e;transform:translateY(-2px)}.button span{font-size:20px}.text-link{font-size:13px;color:#d3c2e8}.text-link span{margin-left:10px}.hero-note{display:flex;gap:23px;color:#9691ac;font-size:11px;margin-top:32px}.chart-art{position:relative;min-width:0;text-align:center}.chart-art svg{width:100%;max-width:530px;filter:drop-shadow(0 0 36px #7266e622)}.chart-label{font-size:9px;letter-spacing:.23em;color:#9f91b2;margin-bottom:0}.chart-caption{color:#c6bdd6;font-size:11px;margin-top:-10px}.chart-caption small{display:block;color:#8e869f;font-size:9px;margin-top:7px}.tiny-star{color:#d3b9f7;margin-right:8px}.chapter-line{border-block:1px solid var(--line);padding-block:20px;display:flex;justify-content:space-between;font-size:11px;color:#aaa4bd}.chapter-line a{color:var(--lavender)}.topics{padding-block:82px}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px}.section-head h2{margin-bottom:0}.section-head p{font-size:13px;margin-bottom:2px}.section-head .eyebrow{margin-bottom:15px}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.topic-card{display:flex;flex-direction:column;min-width:0;padding:24px 22px;background:linear-gradient(145deg,#202237,#141727);border:1px solid #ffffff12;border-radius:16px}.topic-card:hover{transform:translateY(-4px);border-color:#bfa2ff50}.card-top{display:flex;align-items:center;gap:12px;margin-bottom:27px;color:#b2a4c6}.topic-icon{font-size:30px;color:var(--lavender);line-height:1}.card-num{font-size:9px;margin-left:auto}.card-top>span:last-child{font-size:16px}.topic-card h3{font-size:18px;margin-bottom:12px}.topic-card p{font-size:12px;line-height:1.9;margin-bottom:24px}.read{display:flex;justify-content:space-between;font-size:11px;color:#ceb9e8;margin-top:auto}.more-topics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}.more-topics a{display:flex;align-items:center;gap:13px;font-size:12px;padding:19px 14px;border-bottom:1px solid var(--line)}.more-topics a>span:last-child{margin-left:auto;color:#b6a0d2}.more-topics .topic-icon{font-size:22px}.basics{border-block:1px solid var(--line);background:#ffffff02;padding-block:76px}.basics-grid{display:grid;grid-template-columns:1fr 1fr;gap:110px}.basics h2{margin-bottom:22px}.basics p{font-size:14px}.trio a{display:flex;align-items:center;gap:27px;padding:23px 0;border-bottom:1px solid var(--line)}.trio a:first-child{padding-top:0}.trio a>span:first-child{font-size:40px;color:#cbb5ed;width:50px;text-align:center}.trio h3{font-size:18px;margin:0 0 4px}.trio p{font-size:12px;margin:0}.trio a>span:last-child{margin-left:auto;font-size:11px;color:#8c809e}.faq{display:grid;grid-template-columns:1fr 1.3fr;gap:100px;padding-block:90px}.faq .eyebrow{margin-bottom:20px}details{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;position:relative;padding:20px 30px 20px 0;font-size:14px}summary::-webkit-details-marker{display:none}summary:after{content:'+';position:absolute;right:0;color:var(--lavender);font-size:21px;top:14px}details[open]>summary:after{content:'−'}details p{font-size:14px;padding-right:22px;line-height:1.9}.cta{display:flex;align-items:center;gap:24px;padding:38px;background:radial-gradient(ellipse at right,#7266e627,transparent),#191b30;border:1px solid #bfa2ff20;border-radius:20px;margin-bottom:85px}.cta img{border-radius:16px;display:block}.cta .eyebrow{font-size:9px;margin-bottom:10px}.cta h2{font-size:27px;margin-bottom:8px}.cta p{font-size:12px;margin:0}.cta .button{margin-left:auto;flex-shrink:0}footer{padding-bottom:25px}.footer-top{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding-bottom:40px}.footer-top .brand{font-size:20px}.footer-top p{font-size:12px;margin-top:16px}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:11px;color:#aaa5bb}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:24px;font-size:10px;color:#9990aa}.breadcrumbs{display:flex;gap:14px;font-size:11px;color:#b1a3c2;padding-top:33px}.article-heading{padding-block:55px 50px;border-bottom:1px solid var(--line)}.article-heading .eyebrow{margin-bottom:20px}.article-heading h1{margin-bottom:15px}.article-heading p{font-size:21px;margin:0}.article-layout{display:grid;grid-template-columns:260px 1fr;gap:90px;padding-block:55px 70px}.article-layout aside{align-self:start;position:sticky;top:115px}.article-layout aside nav{display:flex;flex-direction:column;gap:14px;font-size:12px;color:#c6bfd2}.aside-cta{padding:24px;background:#1a1c30;border:1px solid var(--line);border-radius:15px;margin-top:32px}.aside-cta>span{font-size:36px;color:var(--lavender)}.aside-cta h3{font-size:15px;margin:12px 0}.aside-cta p,.aside-cta a{font-size:12px}.aside-cta a{color:var(--lavender)}article{max-width:760px}article p{font-size:16px;line-height:2}.article-intro{font-size:19px!important;color:#e0d6ee;border-left:2px solid #bfa2ff;padding-left:24px;margin-bottom:40px}article section{margin-bottom:38px}article h2{font-size:27px;margin-bottom:18px}.reading-note{font-size:12px;color:#a59cb4;border-block:1px solid var(--line);padding-block:20px;margin-bottom:30px}.related{padding-bottom:70px}.related .topic-grid{grid-template-columns:repeat(3,1fr)}.not-found{padding-block:100px}
@media(min-width:1500px){.hero{min-height:720px}}@media(max-width:1000px){.nav{gap:20px}.nav nav{gap:17px}.hero{min-height:580px;gap:0}.hero h1{font-size:40px}.topic-grid{grid-template-columns:repeat(2,1fr)}.more-topics{grid-template-columns:repeat(2,1fr)}.basics-grid,.faq{gap:45px}.cta{flex-wrap:wrap}.cta .button{margin-left:80px}.article-layout{gap:40px;grid-template-columns:220px 1fr}.article-heading h1{font-size:43px}}@media(max-width:700px){.container{width:calc(100% - 36px)}.nav{height:72px;gap:14px}.brand{font-size:20px;gap:8px}.brand-icon{font-size:31px}.nav nav{display:none}.nav-cta{margin-left:auto;padding:7px 10px;font-size:11px}.nav-cta span{margin-left:5px}.mobile-menu{display:block;border:0}.mobile-menu summary{padding:8px;font-size:20px}.mobile-menu summary:after{display:none}.mobile-menu>div{position:absolute;top:72px;left:0;right:0;padding:20px;background:#171a2c;border-bottom:1px solid #443659;display:grid;gap:13px;font-size:14px}.hero{grid-template-columns:1fr;padding-top:44px;padding-bottom:35px}.hero h1{font-size:39px}.hero-copy>p{font-size:14px}.hero .eyebrow{font-size:10px;margin-bottom:20px}.actions{gap:22px;margin-top:24px}.button{font-size:12px;padding:12px 18px}.hero-note{margin-top:24px;font-size:10px}.chart-art{margin:40px auto 0;max-width:410px;width:100%}.chart-label{font-size:8px}.chapter-line{font-size:9px;gap:20px;padding-block:16px}.topics{padding-block:50px}.section-head{display:block}.section-head p{margin-top:18px}.topic-grid{grid-template-columns:1fr}.topic-card{padding:23px}.card-top{margin-bottom:18px}.topic-card h3{font-size:20px}.topic-card p{font-size:14px}.read{font-size:12px}.more-topics{gap:8px}.more-topics a{padding:15px 4px;font-size:10px;gap:8px}.basics{padding-block:50px}.basics-grid,.faq{grid-template-columns:1fr;gap:28px}.faq{padding-block:50px}.faq h2 br{display:none}.trio a{gap:18px}.cta{padding:25px;gap:18px;margin-bottom:50px}.cta-icon{display:none}.cta h2{font-size:26px}.cta .button{margin:0}.cta p{line-height:1.9}.footer-top{grid-template-columns:1fr;gap:20px;padding-bottom:25px}.footer-bottom{flex-direction:column;gap:10px}.article-heading{padding-block:35px}.article-heading h1{font-size:35px}.article-heading p{font-size:18px}.article-layout{grid-template-columns:1fr;padding-top:30px;gap:32px}.article-layout aside{position:static}.article-layout aside nav{gap:10px}.aside-cta{display:none}article p{font-size:15px}article h2{font-size:24px}.article-intro{font-size:17px!important}.related .topic-grid{grid-template-columns:1fr}.desktop{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.chart-art{position:relative}.wheel-toggle{position:absolute;right:5px;top:28px;width:32px;height:32px;display:grid;place-items:center;border:1px solid #bfa2ff30;border-radius:50%;background:#17182d99;color:#cbb5ed;font:inherit;font-size:12px;cursor:pointer}.wheel-toggle[hidden]{display:none}.wheel-toggle:hover{background:#302746}.wheel-toggle:focus-visible{outline:2px solid #cbb5ed;outline-offset:4px}
/* Expanded editorial library */
.library-invite{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-top:42px;border-top:1px solid var(--line);padding-top:36px}.library-invite .eyebrow{margin-bottom:10px}.library-invite h3{font-size:25px;margin-bottom:8px}.library-invite p{font-size:13px;margin:0}.home-categories{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:25px}.home-categories a{display:flex;justify-content:space-between;gap:15px;font-size:12px;padding:15px;border:1px solid var(--line);border-radius:10px}.home-categories a span{color:var(--lavender);white-space:nowrap}.library-heading{padding-block:55px 25px}.library-heading h1{max-width:850px}.library-heading>p{font-size:18px;max-width:800px}.library-content{padding-bottom:65px}.category-nav{display:flex;flex-wrap:wrap;gap:9px;padding-bottom:28px;border-bottom:1px solid var(--line)}.category-nav a{border:1px solid #bfa2ff24;border-radius:30px;padding:8px 14px;font-size:12px}.category-nav a span{margin-left:8px;opacity:.65}.category-nav [aria-current]{background:var(--lavender);color:#20192e}.library-search{max-width:700px;margin-top:35px}.library-search label{display:block;font-size:13px;margin-bottom:10px}.library-search input{width:100%;font:inherit;font-size:14px;padding:16px 18px;border-radius:12px;background:#191c30;color:#f4f0fa;border:1px solid #bfa2ff40}.library-search input:focus-visible{outline:2px solid var(--lavender);outline-offset:3px}.library-search p{font-size:12px;margin-top:10px}.library-group{padding-top:48px}.library-group .topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.library-group .section-head{margin-bottom:10px}.group-description{font-size:13px;margin-bottom:25px}.library-group .topic-card h3{font-size:19px}.search-empty{padding:45px 0;color:var(--muted)}.article-meta{color:#9d92b0;font-size:11px;margin-top:20px}.category-back{display:block;color:var(--lavender);font-size:12px;margin-top:25px}.breadcrumbs{flex-wrap:wrap}.article-sources h2{font-size:20px}.article-sources a{display:block;font-size:13px;color:var(--lavender);margin-bottom:9px}.mobile-menu>div{max-height:calc(100svh - 85px);overflow:auto}.topic-card[hidden],.library-group[hidden],.library-search[hidden],.search-empty[hidden]{display:none!important}
@media(max-width:1000px){.library-group .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-categories{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.library-invite{align-items:flex-start;flex-direction:column;gap:20px}.home-categories{grid-template-columns:1fr}.library-heading{padding-top:35px}.library-heading h1{font-size:34px}.library-heading>p{font-size:15px}.library-group .topic-grid{grid-template-columns:1fr}.library-group .section-head h2{font-size:27px}.library-group .section-head .text-link{display:inline-block;margin-top:12px}.category-nav a{font-size:11px}.library-search input{font-size:16px}.breadcrumbs{font-size:10px}.article-layout article{min-width:0}article .button{white-space:normal}}