/* Academy reading surfaces inherit Silex's charcoal, Rubik and cyan system. */
.academy-page .academy-shell{width:min(1120px,calc(100% - 48px));margin:0 auto;padding:40px 0 64px;min-width:0}
.academy-page .academy-shell :is(p,li){line-height:1.8}
.academy-page .academy-shell a{text-underline-offset:4px}
.academy-page .academy-shell :focus-visible{outline:2px solid var(--silex-accent);outline-offset:4px}
.academy-page .academy-shell ::selection{background:var(--silex-accent-strong);color:#fff}
.academy-page .academy-shell h1{max-width:850px;font-size:clamp(28px,3vw,36px);line-height:1.2;text-wrap:balance}
.academy-page .academy-shell h2{font-size:24px;line-height:1.35;text-wrap:balance}
.academy-page .academy-shell h3{font-size:19px;line-height:1.5;text-wrap:balance}
.academy-label{display:flex;gap:16px;flex-wrap:wrap;color:var(--silex-accent);font-size:12px;font-weight:550;letter-spacing:.08em;margin-bottom:16px}
.academy-label span{color:var(--silex-muted);letter-spacing:0}
.academy-hero{padding:20px 0 48px;border-bottom:var(--silex-rule)}
.academy-hero>p:not(.academy-label){max-width:68ch;color:var(--silex-text-soft);font-size:18px;margin:20px 0 24px}
.academy-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.academy-button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:48px;padding:12px 20px;background:var(--silex-accent);color:var(--silex-bg)!important;border:1px solid var(--silex-accent);border-radius:6px;font-size:14px;font-weight:550;text-decoration:none;line-height:1.5}
.academy-button:hover{background:#88e8ff;border-color:#88e8ff}
.academy-button-secondary{background:transparent;color:var(--silex-text)!important;border-color:var(--silex-border-strong)}
.academy-button-secondary:hover{background:var(--silex-soft);border-color:var(--silex-muted)}
.academy-hero-note{display:inline-block;color:var(--silex-muted);font-size:13px;margin-left:20px}
.academy-section-heading{margin:36px 0 20px}
.academy-section-heading p{color:var(--silex-muted);font-size:15px;margin-top:8px}
.academy-feature{background:var(--silex-surface);border:var(--silex-panel-rule);border-radius:10px;padding:28px}
.academy-feature+.academy-feature{margin-top:16px}
.academy-feature h3{font-size:24px!important;max-width:65ch}
.academy-feature h3 a{color:var(--silex-text);text-decoration:none}
.academy-feature h3 a:hover{color:var(--silex-accent);text-decoration:underline}
.academy-feature-copy>p:not(.academy-label){color:var(--silex-text-soft);font-size:16px;max-width:72ch;margin:12px 0}
.academy-feature-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:20px}
.academy-feature-bottom>span{font-size:13px;color:var(--silex-muted)}
.academy-text-link{display:inline-flex;gap:12px;align-items:center;min-height:44px;font-size:14px}
.academy-about-grid{display:grid;grid-template-columns:1fr 1.7fr;gap:64px;margin:48px 0}
.academy-about-grid p{font-size:16px;color:var(--silex-text-soft);margin-top:16px;max-width:65ch}
.academy-about-grid h2{font-size:21px!important}
.academy-categories{list-style:none;margin-top:16px}
.academy-categories a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;border-block:var(--silex-rule);text-decoration:none;font-size:15px}
.academy-categories a span{color:var(--silex-muted);font-size:13px}
.academy-topic{border-top:var(--silex-rule);padding-top:28px;scroll-margin-top:100px}
.academy-topic>p{color:var(--silex-text-soft);margin:12px 0;font-size:16px}
.academy-topic ul{padding-left:20px}.academy-topic li a{display:inline-block;padding:8px 0}
.academy-breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;list-style:none;font-size:12px;color:var(--silex-muted);margin-bottom:32px}
.academy-breadcrumbs li:not(:last-child)::after{content:"/";margin-left:12px;color:var(--silex-muted)}
.academy-breadcrumbs a{display:inline-block;padding-block:10px}
.academy-article-header{max-width:930px;margin-bottom:36px}
.academy-intro{max-width:72ch;font-size:18px;color:var(--silex-text-soft);margin:20px 0}
.academy-meta{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:12px;line-height:1.8;color:var(--silex-muted);font-variant-numeric:tabular-nums}
.academy-reading-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;align-items:start}
.academy-toc{position:sticky;top:90px;max-height:calc(100dvh - 110px);overflow:auto;scrollbar-color:var(--silex-border) transparent}
.academy-toc summary{font-size:14px;font-weight:550;color:var(--silex-text);padding:12px 0;cursor:pointer;min-height:44px}
.academy-toc ol{list-style:none;padding:4px 0}
.academy-toc a{display:block;padding:8px 8px 8px 0;font-size:12px;line-height:1.6;color:var(--silex-muted);text-decoration:none;min-height:36px}
.academy-toc a:hover,.academy-toc a[aria-current="location"]{color:var(--silex-accent);text-decoration:underline}
.academy-prose{min-width:0;font-size:17px;color:var(--silex-text-soft);max-width:74ch}
.academy-prose section{scroll-margin-top:100px;padding:32px 0;border-top:var(--silex-rule)}
.academy-prose section:first-child{padding-top:24px}
.academy-prose h2{margin:0 0 16px;color:var(--silex-text)}
.academy-prose h3{margin:28px 0 12px;color:var(--silex-text)}
.academy-prose p+p{margin-top:16px}
.academy-prose :is(ul,ol){padding-left:24px;margin:20px 0}
.academy-prose li+li{margin-top:12px}
.academy-definition,.academy-note,.academy-cta{background:var(--silex-surface);border:var(--silex-panel-rule);border-radius:10px;padding:24px;margin:24px 0}
.academy-definition{color:var(--silex-text);margin-top:0}
.academy-note h3,.academy-cta h3{margin-top:0}
.academy-safety h3{color:var(--silex-warning)}
.academy-diagram{padding:24px 0;margin:24px 0}
.academy-diagram ol{list-style:none;padding:0;margin:0;display:grid;gap:28px}
.academy-blocks{grid-template-columns:repeat(3,minmax(0,1fr))}
.academy-diagram li{position:relative;background:var(--silex-raised);border:1px solid var(--silex-border-strong);border-radius:6px;padding:16px 12px;margin:0!important;min-width:0}
.academy-diagram li:not(:last-child)::after{content:"→";position:absolute;right:-24px;top:calc(50% - 14px);font-size:20px;color:var(--silex-accent)}
.academy-diagram strong{display:block;color:var(--silex-text);font-size:14px;line-height:1.5}
.academy-diagram li span{display:block;font-size:12px;line-height:1.6;margin-top:8px;color:var(--silex-text-soft)}
.academy-diagram figcaption{font-size:12px;line-height:1.8;color:var(--silex-muted);margin-top:16px}
.academy-diagram-art{display:block;width:100%;height:auto;border-radius:6px}
.academy-diagram-icon{flex:none;width:44px;height:44px;color:var(--silex-accent)}
/* The artwork is paired with a semantic, readable mobile version of the same lesson. */
@media(min-width:1001px){.academy-diagram .academy-diagram-mobile{position:absolute!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important}}
@media(max-width:1000px){.academy-diagram-art{display:none}.academy-diagram .academy-blocks{grid-template-columns:1fr}.academy-diagram .academy-blocks li:not(:last-child)::after{content:"↓";right:calc(50% - 8px);top:auto;bottom:-28px}.academy-diagram .academy-diagram-mobile li{display:flex;align-items:center;justify-content:flex-start;gap:20px;padding:16px}.academy-diagram-mobile li>div{flex:1;min-width:0}.academy-diagram .academy-diagram-mobile strong{font-size:15px;line-height:1.6}.academy-diagram .academy-diagram-mobile li span{font-size:13px;margin-top:4px}.academy-diagram-mobile dl{margin-top:12px;font-size:13px;line-height:1.6}.academy-diagram-mobile dl div{display:flex;flex-wrap:wrap;gap:4px 12px;justify-content:space-between}.academy-diagram-mobile dt{color:var(--silex-muted)}.academy-diagram-mobile dd{color:var(--silex-accent);font-variant-numeric:tabular-nums}}
.academy-transfer{grid-template-columns:repeat(5,minmax(0,1fr))}
.academy-transfer li{padding:12px 8px}
.academy-transfer strong{font-size:12px}
.academy-table{width:100%;border-collapse:collapse;table-layout:fixed;margin:24px 0;font-size:14px}
.academy-page .academy-table :is(td,th){text-align:left!important;padding:12px 8px;vertical-align:top;border-bottom:var(--silex-rule);overflow-wrap:anywhere;line-height:1.65}
.academy-table thead{color:var(--silex-text)}
.academy-table tbody th{font-weight:500}
.academy-faq>div+div{margin-top:28px}
.academy-sources{font-size:14px}
.academy-sources a{display:inline-block;padding-block:4px}
.academy-disclaimer{color:var(--silex-muted);font-size:13px;padding-top:24px;border-top:var(--silex-rule);margin-top:24px}
.academy-featured-image{width:100%;height:auto;max-width:930px;margin-bottom:32px}
@media(max-width:1000px){.academy-reading-layout{grid-template-columns:205px minmax(0,1fr);gap:28px}.academy-diagram .academy-transfer{grid-template-columns:1fr}.academy-transfer li{padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.academy-transfer li span{margin-top:0}.academy-transfer li:not(:last-child)::after{content:"↓";right:calc(50% - 8px);top:auto;bottom:-28px}}
@media(max-width:760px){.academy-page .academy-shell{width:calc(100% - 32px);padding:24px 0 48px}.academy-hero{padding-top:8px;padding-bottom:32px}.academy-hero-note{display:block;margin:16px 0 0}.academy-hero>p:not(.academy-label),.academy-intro{font-size:17px}.academy-about-grid{grid-template-columns:1fr;gap:32px;margin:32px 0}.academy-feature{padding:20px}.academy-feature h3{font-size:22px!important}.academy-reading-layout{display:block}.academy-toc{position:static;max-height:none;margin-bottom:28px;border-block:var(--silex-rule)}.academy-toc a{min-height:44px;padding:12px 0;font-size:14px}.academy-article-header{margin-bottom:24px}.academy-breadcrumbs ol{margin-bottom:20px}.academy-meta{gap:8px 16px}.academy-prose{font-size:17px;max-width:none}.academy-prose section{padding:28px 0}.academy-prose h2{font-size:23px!important}.academy-note,.academy-definition,.academy-cta{padding:20px}.academy-diagram .academy-blocks{grid-template-columns:1fr}.academy-blocks li{display:grid;grid-template-columns:1fr 1.4fr;gap:4px 12px;padding:14px 16px}.academy-blocks strong{grid-row:span 2;align-self:center}.academy-blocks li span{margin:0}.academy-blocks li:not(:last-child)::after{content:"↓";right:calc(50% - 8px);top:auto;bottom:-28px}.academy-actions{flex-direction:column}.academy-feature-bottom{align-items:flex-start}.academy-breadcrumbs li:last-child{flex-basis:100%}}
@media(prefers-reduced-motion:reduce){.academy-page *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}