.learning-reader{--rail:220px;--measure:840px}.reader-hero{isolation:isolate;background:var(--dark);color:#fff;padding:calc(var(--header-h) + 64px) 0 72px;position:relative;overflow:hidden}.reader-hero:before{content:"";z-index:-1;background:radial-gradient(at 78% 30%,#55316855,#0000 52%),radial-gradient(at 20% 110%,#79496a38,#0000 60%);position:absolute;inset:0}.reader-hero:after{content:"";background:linear-gradient(90deg,#b393c42b,#b393c400);height:1px;position:absolute;bottom:0;left:0;right:0}.reader-shell{width:100%;max-width:calc(var(--max) + 2 * var(--pad));padding:0 var(--pad);margin:0 auto}.reader-context{color:#c3a8d0;align-items:center;gap:10px;margin-bottom:34px;font-size:12px;transition:color .2s;display:inline-flex}.reader-context:hover{color:#fff}.reader-breadcrumb{color:#a58ab5;flex-wrap:wrap;gap:13px;margin-bottom:34px;font-size:12px;display:flex}.reader-breadcrumb a{color:#d9c1e6;transition:color .2s}.reader-breadcrumb a:hover{color:#fff}.reader-hero-inner{max-width:880px}.reader-hero .eyebrow{color:#c5afd2;margin-bottom:26px}.reader-hero h1{letter-spacing:-.052em;text-wrap:balance;margin:0 0 26px;font-size:clamp(40px,4.4vw,64px);font-weight:420;line-height:1.08}.reader-hero h1 em,.reader-hero h1 .gradient-text{color:#edceff;-webkit-text-fill-color:currentColor;background:0 0;font-style:normal}.reader-dek{color:#c4b6cb;max-width:640px;margin:0;font-size:18px;line-height:1.65}.reader-layout{grid-template-columns:var(--rail) minmax(0,1fr);padding-top:56px;padding-bottom:var(--section-space);align-items:start;gap:64px;display:grid}.reader-nav{top:calc(var(--header-h) + 28px);max-height:calc(100dvh - var(--header-h) - 56px);padding-right:10px;font-size:12.5px;position:sticky;overflow:auto}.reader-nav details>summary{pointer-events:none;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-3);padding:0 0 16px;font-size:11px;font-weight:500;list-style:none}.reader-nav details>summary::-webkit-details-marker{display:none}.reader-nav nav{border-left:1px solid var(--hairline-strong)}.reader-nav nav a{color:var(--ink-2);border-left:1px solid #0000;margin-left:-1px;padding:8px 0 8px 15px;line-height:1.5;transition:color .2s,border-color .2s;display:block}.reader-nav nav a:hover{color:var(--ink)}.reader-nav nav a[aria-current]{color:var(--plum);border-color:var(--plum)}.reader-back{color:var(--plum);align-items:center;gap:10px;padding:20px 0 0;font-size:12px;display:inline-flex}.reader-prose{min-width:0;max-width:var(--measure)}.reader-answer{border-left:2px solid var(--violet);margin-bottom:44px;padding:4px 0 4px 24px}.reader-answer .eyebrow{color:var(--ink-3)}.reader-answer p{color:var(--ink);margin:14px 0 0;font-size:19px;line-height:1.65}.reader-section{border-top:1px solid var(--hairline);margin-top:30px;padding:36px 0 8px;position:relative}.reader-section:first-child{border-top:0;margin-top:0;padding-top:0}.reader-section h2{letter-spacing:-.035em;text-wrap:balance;margin:0 0 22px;font-size:clamp(26px,2.3vw,32px);font-weight:440;line-height:1.15}.reader-section h3{letter-spacing:-.025em;margin:30px 0 14px;font-size:21px;font-weight:500;line-height:1.3}.reader-section p,.reader-section li{color:var(--ink-2);max-width:72ch;font-size:16px;line-height:1.8}.reader-section p{margin:0 0 20px}.reader-section ul,.reader-section ol{margin:20px 0;padding-left:22px}.reader-section li{margin:10px 0;padding-left:4px}.reader-section li::marker{color:var(--violet)}.reader-section strong{color:var(--ink);font-weight:520}.reader-section a:not(.button):not(.text-link){color:var(--plum);text-decoration:underline;text-decoration-color:var(--hairline-strong);text-underline-offset:4px;transition:text-decoration-color .2s}.reader-section a:not(.button):not(.text-link):hover{text-decoration-color:var(--plum)}.reader-anchor{display:block;position:absolute;top:0}.reader-section .micro-label{text-transform:uppercase;letter-spacing:.1em;color:var(--ink-3);margin-bottom:10px;font-size:10px;font-weight:500;display:block}.reader-prose .table-wrap{border:1px solid var(--hairline);border-radius:12px;max-width:100%;margin:0 0 26px;overflow-x:auto}.reader-prose table{border-collapse:collapse;text-align:left;width:100%;margin:0;font-size:14px;line-height:1.6}.reader-prose th,.reader-prose td{border-bottom:1px solid var(--hairline);color:var(--ink-2);vertical-align:top;padding:15px 16px}.reader-prose tr:last-child td{border-bottom:0}.reader-prose th{color:var(--ink);background:var(--paper-2);text-transform:uppercase;letter-spacing:.06em;font-size:12px;font-weight:520}.reader-prose td:first-child{color:var(--ink);min-width:145px}.reader-faq{border-bottom:1px solid var(--hairline);padding:18px 0}.reader-faq summary{cursor:pointer;color:var(--ink);letter-spacing:-.01em;justify-content:space-between;align-items:center;gap:20px;font-size:17px;line-height:1.45;list-style:none;display:flex}.reader-faq summary::-webkit-details-marker{display:none}.reader-faq summary:after{content:"+";color:var(--violet);flex:none;font-size:22px;font-weight:250;transition:transform .25s}.reader-faq[open] summary:after{transform:rotate(45deg)}.reader-faq p{margin:14px 0 4px;font-size:15px}.reader-related>.reader-measure>div{grid-template-columns:1fr 1fr;gap:16px;display:grid}.reader-related>.reader-measure>div a{border:1px solid var(--hairline);color:var(--ink);background:linear-gradient(150deg,#fff,#faf6fc);border-radius:12px;justify-content:space-between;align-items:flex-start;gap:18px;padding:22px 24px;font-size:15px;line-height:1.5;text-decoration:none;transition:border-color .25s,transform .25s;display:flex}.reader-related>.reader-measure>div a:hover{border-color:#c9afd9;transform:translateY(-2px)}.reader-related>.reader-measure>div a:after{content:"↗";color:var(--violet);flex:none;font-size:19px;line-height:1}.reader-figure{margin:30px 0 34px}.reader-figure img{border:1px solid var(--hairline);background:var(--paper-2);border-radius:12px;width:100%;height:auto;display:block}.reader-figure figcaption{color:var(--ink-3);max-width:72ch;margin-top:12px;font-size:13px;line-height:1.6}.reader-section p img{vertical-align:middle;max-width:100%;height:auto}.reader-section blockquote{border-left:2px solid var(--violet);margin:26px 0;padding:4px 0 4px 22px}.reader-section blockquote p{color:var(--ink)}.reader-section code{background:var(--paper-2);border:1px solid var(--hairline);border-radius:6px;padding:1px 6px;font-size:.88em}.reader-section hr{border:0;border-top:1px solid var(--hairline);margin:30px 0}.reader-related h2{margin-bottom:22px}.reader-related .eyebrow{color:var(--ink-3)}.reader-prose .reader-measure{width:100%;max-width:none;padding:0}.reader-prose .scene-story{width:min(calc(100% + 160px),calc(100vw - var(--rail) - 64px - 2 * var(--pad) - 18px));min-width:100%}@media (width>=1450px){.reader-hero-inner{margin-left:calc(var(--rail) + 64px)}}@media (width<=1050px){.reader-layout{grid-template-columns:1fr;gap:26px;padding-top:32px}.reader-nav{border:1px solid var(--hairline);background:var(--paper-2);border-radius:12px;max-height:none;padding:0;position:static}.reader-nav details>summary{pointer-events:auto;cursor:pointer;justify-content:space-between;padding:17px 20px;display:flex}.reader-nav details>summary:after{content:"+";color:var(--violet);font-size:16px}.reader-nav details[open]>summary:after{content:"−"}.reader-nav nav{border:0;padding:0 15px 16px}.reader-nav nav a{border-left:0;padding-left:5px}.reader-nav .reader-back{display:none}.reader-prose{width:100%;max-width:760px;margin-inline:auto}.reader-hero-inner{max-width:760px}.reader-hero{padding-top:calc(var(--header-h) + 44px);padding-bottom:56px}.reader-answer{margin-bottom:32px}}@media (width<=560px){.reader-hero{padding-top:calc(var(--header-h) + 34px);padding-bottom:44px}.reader-context,.reader-breadcrumb{margin-bottom:24px;font-size:11px}.reader-hero h1{letter-spacing:-.045em;font-size:clamp(32px,9vw,42px);line-height:1.1}.reader-dek{font-size:16px}.reader-answer{padding-left:18px}.reader-answer p{font-size:17px}.reader-section{margin-top:25px;padding-top:28px}.reader-section h2{font-size:26px}.reader-section p,.reader-section li{font-size:15px;line-height:1.75}.reader-related>.reader-measure>div{grid-template-columns:1fr}.reader-prose th,.reader-prose td{padding:12px 10px;font-size:12px}.reader-prose td:first-child{min-width:105px}.reader-layout{padding-bottom:56px}}@media (prefers-reduced-motion:reduce){.reader-related>.reader-measure>div a,.reader-faq summary:after{transition:none}}@media (width<=1050px){.reader-prose .scene-story{width:100%}}