/* Fixed capability stage. Choreography controls opacity; text never travels vertically. */
.enhanced #story{height:1600vh;pointer-events:none}
.story-lead,.story-tail{display:none}
#capability-flow{display:none}
.enhanced #capability-flow{display:block;position:fixed;inset:0;z-index:3;visibility:hidden;pointer-events:none}
.enhanced[data-phase="skills"] #capability-flow{visibility:visible}
.enhanced[data-phase="skills"] #caption{visibility:hidden;pointer-events:none}
.enhanced[data-phase="skills"] .site-header,.enhanced[data-phase="skills"] .scene-controls{background:#f4f3ef}
.enhanced[data-phase="skills"] #stage-mark{display:none}
.capability-chapter{position:absolute;top:106px;left:44vw;width:50vw;max-width:800px;min-height:0;padding:0;margin:0;opacity:0;visibility:hidden;pointer-events:none}
.enhanced[data-phase="skills"] .capability-chapter.is-current{visibility:visible;pointer-events:auto}
.capability-chapter .capability-copy{width:auto;max-width:none;min-width:0;margin:0}
.capability-heading{margin:0 0 24px}
.capability-eyebrow{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;margin:0 0 18px;color:#657580;font-size:11px;line-height:1.5;font-weight:500;letter-spacing:.11em}
.capability-number{color:#344b5a;font-variant-numeric:tabular-nums;letter-spacing:.07em}
.capability-label{margin:0 0 10px;color:#546a79;font-size:15px;line-height:1.5;font-weight:500;letter-spacing:.02em}
.capability-heading h2{margin:0;color:#222c33;font-size:clamp(30px,2.5vw,36px);font-weight:500;line-height:1.3;letter-spacing:-.035em;white-space:pre-line;text-wrap:balance}
.capability-summary{max-width:43em;margin:18px 0 0;color:#53626d;font-size:16px;line-height:1.85;overflow-wrap:break-word}
.capability-device-slot{display:none}
.capability-chapter .capability-eyebrow,.capability-chapter .capability-summary,.capability-chapter .capability-device-slot,.capability-chapter .capability-next{display:none}
.capability-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 30px;padding:0;margin:0}
.capability-item{min-width:0;padding:16px 0 18px;border-top:1px solid #ccd3d3;break-inside:avoid}
.capability-item dt{margin:0 0 6px;color:#263944;font-size:16px;font-weight:600;line-height:1.5;letter-spacing:-.01em}
.capability-item dd{margin:0;color:#54636d;font-size:15px;line-height:1.7;overflow-wrap:anywhere}
.capability-next{margin:25px 0 0;padding-top:19px;border-top:1px solid #ccd3d3;color:#687a85;font-size:12px;line-height:1.7}

/* The dock stays below the original-size supporting notebook. */
#capability-dock{display:none}
.enhanced #capability-dock{display:block;position:fixed;z-index:6;left:4.5vw;bottom:106px;width:35vw;max-width:600px;visibility:hidden;pointer-events:none;background:#f4f3ef}
.enhanced[data-phase="skills"] #capability-dock{visibility:visible;pointer-events:auto}
.enhanced #chapter-rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:static;inset:auto;width:auto;max-width:none;gap:2px 16px;padding:5px 0 0;visibility:inherit;overflow:visible;background:transparent;border-top:1px solid rgba(182,193,197,.65);border-bottom:0;scrollbar-width:thin;scrollbar-color:#aab7bb transparent;scroll-padding-inline:12px;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}
#capability-context,.enhanced #capability-context{display:none}
.enhanced #chapter-rail::-webkit-scrollbar{height:3px}
.enhanced #chapter-rail::-webkit-scrollbar-thumb{background:#aab7bb;border-radius:3px}
.enhanced #chapter-rail .chapter-rail-item{flex:0 0 auto;min-width:0;padding:6px 0 7px;border:0;border-bottom:2px solid transparent;background:transparent;color:#61727d;font-size:12px;font-weight:400;line-height:1.5;text-align:left;white-space:nowrap;transition:color .18s,border-color .18s}
.enhanced #chapter-rail .chapter-rail-item span{margin-right:5px;color:#81919a;font-size:10px;font-variant-numeric:tabular-nums}
.enhanced #chapter-rail .chapter-rail-item.active,.enhanced #chapter-rail .chapter-rail-item[aria-current="step"]{border-bottom-color:#466b80;color:#243f50;font-weight:600}
.enhanced #chapter-rail .chapter-rail-item:focus-visible{outline:2px solid #466b80;outline-offset:-2px;border-radius:2px}

/* Reading mode is a separate complete document and retains its natural flow. */
.read-capability{position:static;width:auto;max-width:none;min-height:0;padding:38px 0 44px;margin:0;border-top:1px solid #cdd4d3;scroll-margin-top:36px;opacity:1;visibility:visible}
.read-capability .capability-copy{width:auto;max-width:none;margin:0}
.read-capability .capability-heading{max-width:800px;margin-bottom:27px}
.read-capability .capability-eyebrow{display:flex;margin-bottom:15px}
.read-capability .capability-heading h2,.read-capability .capability-heading h3{margin:0;color:#222c33;font-size:32px;font-weight:500;line-height:1.35;letter-spacing:-.035em;white-space:pre-line}
.read-capability .capability-summary{display:block;font-size:16px;line-height:1.85}
.read-capability .capability-list{column-gap:44px}
.read-capability .capability-item{padding:19px 0 22px}
.read-capability .capability-item dt{font-size:17px;line-height:1.6}
.read-capability .capability-item dd{font-size:16px;line-height:1.85}

@media(min-width:1800px){
 .capability-chapter{max-width:880px}
 .capability-list{column-gap:36px}
 .enhanced #chapter-rail .chapter-rail-item{font-size:13px}
}
@media(min-width:760px) and (max-width:1100px){
 .capability-chapter{left:43vw;width:52vw}
 .capability-heading h2{font-size:30px}
 .capability-list{column-gap:20px}
 .enhanced #chapter-rail{column-gap:10px}
}
@media(min-width:760px) and (max-width:899px){
 .enhanced #chapter-rail{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(min-width:760px) and (max-height:900px){
 .enhanced #capability-dock{bottom:96px}
 .enhanced #chapter-rail .chapter-rail-item{padding:3px 0 4px}
}
@media(min-width:760px) and (max-height:800px){
 .capability-chapter{top:98px}
 .capability-heading{margin-bottom:19px}
 .capability-heading h2{font-size:30px;line-height:1.25}
 .capability-label{font-size:14px;margin-bottom:8px}
 .capability-item{padding:12px 0 14px}
 .capability-item dt{font-size:15px;line-height:1.45;margin-bottom:5px}
 .capability-item dd{font-size:14px;line-height:1.65}
}
@media(min-width:760px) and (max-height:650px){
 .capability-chapter{top:80px}
 .enhanced #capability-dock{bottom:76px}
}
@media(max-width:759px){
 .capability-chapter{top:88px;left:24px;right:24px;width:auto;max-width:none;margin:0;padding:0}
 .capability-heading{margin-bottom:18px}
 .capability-label{font-size:13px;line-height:1.5;margin-bottom:8px}
 .capability-heading h2{font-size:27px;line-height:1.3;letter-spacing:-.035em}
 .capability-list{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:16px}
 .capability-item{padding:10px 0 12px}
 .capability-item dt{font-size:14px;line-height:1.4;margin-bottom:5px}
 .capability-item dd{font-size:13px;line-height:1.55}
 .enhanced #capability-dock{left:0;right:0;bottom:124px;width:100%;max-width:none}
 .enhanced #chapter-rail{display:flex;position:static;inset:auto;width:auto;max-width:none;flex-wrap:nowrap;gap:18px;overflow-x:auto;overflow-y:hidden;padding:6px 24px 4px;scroll-padding-inline:24px}
 .enhanced #chapter-rail .chapter-rail-item{font-size:12px;padding:7px 0 8px}
 .enhanced #chapter-rail .chapter-rail-item span{font-size:10px;margin-right:5px}
 .read-capability{padding:30px 0 35px}
 .read-capability .capability-copy{margin:0}
 .read-capability .capability-heading{margin-bottom:24px}
 .read-capability .capability-heading h2,.read-capability .capability-heading h3{font-size:28px;line-height:1.35}
 .read-capability .capability-summary{font-size:15px;line-height:1.85}
 .read-capability .capability-eyebrow{font-size:10px;line-height:1.7;letter-spacing:.065em}
 .read-capability .capability-list{grid-template-columns:minmax(0,1fr);column-gap:0}
 .read-capability .capability-item{padding:19px 0 21px}
 .read-capability .capability-item dt{font-size:16px;line-height:1.6}
 .read-capability .capability-item dd{font-size:15px;line-height:1.85}
}
@media(max-width:759px) and (max-height:720px){
 .enhanced #capability-dock{bottom:106px}
 .capability-chapter{top:76px;left:20px;right:20px}
 .capability-chapter .capability-label{font-size:12px;line-height:1.4;margin-bottom:4px}
 .capability-chapter .capability-heading{margin-bottom:10px}
 .capability-chapter .capability-heading h2{font-size:22px;line-height:1.24}
 .capability-chapter .capability-item{padding:5px 0 7px}
 .capability-chapter .capability-item dt{line-height:1.35;margin-bottom:4px}
 .capability-chapter .capability-item dd{line-height:1.4}
}
@media(max-width:380px){
 .capability-chapter{left:20px;right:20px;top:84px}
 .capability-heading h2{font-size:25px}
 .capability-list{column-gap:12px}
 .enhanced #chapter-rail{padding-left:20px;padding-right:20px;scroll-padding-inline:20px}
}
@media(prefers-reduced-motion:reduce){
 .enhanced #chapter-rail .chapter-rail-item{transition:none}
}
@media print{
 #story,.enhanced #story,#capability-flow,.enhanced #capability-flow,#capability-dock,.enhanced #capability-dock,#chapter-rail,.enhanced #chapter-rail{display:none!important}
 .read-capability{padding:16pt 0 20pt;break-inside:auto}
 .read-capability .capability-heading{break-after:avoid}
 .read-capability .capability-heading h2,.read-capability .capability-heading h3{font-size:18pt}
 .read-capability .capability-eyebrow{font-size:8pt}
 .read-capability .capability-summary{font-size:10pt;line-height:1.6}
 .read-capability .capability-list{display:block}
 .read-capability .capability-item{padding:9pt 0;break-inside:avoid}
 .read-capability .capability-item dt{font-size:10pt;line-height:1.5}
 .read-capability .capability-item dd{font-size:10pt;line-height:1.6}
}