/* Shared shell only. Product chapters and the approved development map keep their own CSS. */
:root{--paper:#fafaf7;--ink:#15211b;--green:#087b55;--muted:#657269;--line:#cdd4cd;--curve:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,sans-serif}main{min-width:0}a{color:inherit;text-decoration:none}button{color:inherit;font:inherit;cursor:pointer;border:0;background:none}button,a{-webkit-tap-highlight-color:transparent}button:hover,a:hover{color:var(--green)}button:active,.product-button:active,.primary:active{transform:translateY(1px)}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--green);outline-offset:4px}p,h1,h2,h3,figure,blockquote,dl,dd{margin:0}h1,h2,h3{text-wrap:balance}p{text-wrap:pretty}img{display:block;max-width:100%;height:auto}[hidden]{display:none!important}summary{cursor:pointer;color:var(--green)}details p{margin-top:16px}
.skip{position:fixed;top:12px;left:12px;padding:12px 16px;background:#fff;z-index:1000;transform:translateY(-200%)}.skip:focus{transform:none}
.eyebrow{color:var(--green);font-size:12px;line-height:20px;letter-spacing:.08em}
.product-scene{max-width:1600px;margin-inline:auto;padding:96px 64px;scroll-margin-top:96px;min-width:0}.product-heading{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr);align-items:end;gap:24px 64px}.product-heading>.eyebrow{grid-column:1/-1}.product-heading h2{font-size:60px;line-height:1;font-weight:500;letter-spacing:-.045em}.product-heading>p:last-child{max-width:480px;color:var(--muted);font-size:18px;line-height:28px}.product-link{font-size:14px;line-height:24px;color:var(--green);text-underline-offset:4px}.product-link:hover{text-decoration:underline}.product-button{display:inline-flex;align-items:center;justify-content:center;gap:24px;border-radius:8px;background:var(--ink);color:var(--paper);padding:16px 24px;font-size:16px;line-height:24px;font-weight:600;transition:background .3s var(--curve),transform .5s var(--curve)}.product-button:hover{background:#234a37;color:#fff}
/* Approved hero and navigation tokens remain in tape.css, loaded before this shell. */
.source-note{font-size:12px;line-height:20px;color:var(--muted);max-width:960px;margin-top:24px}.text-button{font-size:13px;line-height:22px;color:var(--green);padding:8px 0;text-align:left;text-decoration:underline;text-underline-offset:5px}
.skill-workspace{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.route-document{margin-top:24px}.route-document figcaption{max-width:520px}
@media(max-width:799px){.skill-workspace{grid-template-columns:minmax(0,1fr)}}
/* Native modal, keyboard scrollable at fit and actual-detail scales. */
#source-dialog{padding:24px;border:1px solid var(--line);border-radius:8px;width:min(1280px,calc(100% - 32px));max-height:calc(100dvh - 32px);background:var(--paper);color:var(--ink);overflow:hidden}#source-dialog::backdrop{background:#13241bd9}#source-dialog>header{display:flex;justify-content:space-between;align-items:start;gap:24px;margin-bottom:24px}#source-title{font-size:18px;line-height:28px;font-weight:500;overflow-wrap:anywhere;max-width:880px}#source-dialog header>div{display:flex;gap:24px;flex-shrink:0}#source-dialog button{font-size:14px;line-height:24px;color:var(--green);min-height:40px}.source-scroll{overflow:auto;overscroll-behavior:contain;max-height:calc(100dvh - 200px);max-width:100%;min-height:64px;scroll-behavior:auto;scrollbar-gutter:stable}.source-scroll img{width:100%;max-width:none;height:auto}.source-scroll.zoomed img{width:max(1800px,100%)}.source-scroll.zoomed[data-region] img{width:2400px}.source-scroll[data-load-error=true]{min-height:120px}
.no-js,.concept-status{padding:24px 32px;font-size:12px;line-height:20px;color:var(--muted)}.concept-status{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;border-top:1px solid var(--line)}.concept-status a{color:var(--green)}
/* Initial HTML is a complete document, including secondary comparison screens. */
html:not(.product-enhanced) [data-screen-panel][hidden],html:not(.product-enhanced) .skill-panel[hidden]{display:block!important}html:not(.product-enhanced) [data-screen-panel]+[data-screen-panel]{margin-top:40px}html:not(.product-enhanced) [data-screen-select]{display:none}html:not(.product-enhanced) .route-source-crop{height:auto!important}html:not(.product-enhanced) .route-source-crop img{position:static;width:100%;transform:none!important}html:not(.product-enhanced) .skill-panel{margin-bottom:40px}
@media(max-width:1100px){.product-scene{padding:80px 40px}.product-heading{gap:24px 40px}.product-heading h2{font-size:48px}.product-heading>p:last-child{font-size:16px;line-height:24px}}
@media(max-width:799px){.product-scene{padding:64px 24px;scroll-margin-top:80px}.product-heading{display:block}.product-heading>.eyebrow{margin-bottom:24px}.product-heading h2{font-size:36px;line-height:40px}.product-heading>p:last-child{margin-top:24px}.product-button{font-size:16px;line-height:24px;max-width:100%}#source-dialog{padding:16px;width:calc(100% - 16px);max-height:calc(100dvh - 16px)}#source-dialog>header{gap:16px;margin-bottom:16px}#source-title{font-size:14px;line-height:20px}#source-dialog header>div{flex-direction:column;gap:8px}#source-dialog button{font-size:12px;line-height:20px}.source-scroll{max-height:calc(100dvh - 240px)}.concept-status{padding:24px}}
@media(max-width:359px){.product-scene{padding-inline:16px}.product-heading h2{font-size:30px;line-height:36px}.product-button{padding-inline:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}button:active,.product-button:active,.primary:active{transform:none}}