.sl-item--stone{background:var(--up-paper-200);color:var(--up-espresso);--sl-rule:rgba(20,22,24,.28)}.sl-item--petrol{--sl-ground:var(--up-bronze);--sl-ink:var(--up-paper-50)}.sl-item--stone{--sl-ground:var(--up-paper-200);--sl-ink:var(--up-espresso)}.sl-item--sand{--sl-ground:var(--up-sand);--sl-ink:var(--up-espresso)}.sl-item--charcoal{--sl-ground:var(--up-espresso);--sl-ink:var(--up-paper-50)}.sl-item--blue{--sl-ground:var(--up-bronze-bright);--sl-ink:var(--up-espresso)}.sl-item--deep{--sl-ground:var(--up-petrol-deep);--sl-ink:var(--up-paper-50)}.sl-item--red{--sl-ground:var(--up-oxblood-deep);--sl-ink:var(--up-paper-50)}.sl-label{font-size:clamp(22px,1.9vw,36px)}.sl-more{position:absolute;right:clamp(14px,1.2vw,24px);bottom:clamp(16px,2.4vh,28px);writing-mode:vertical-rl;white-space:nowrap;font-family:var(--font-mono-stack);font-size:var(--t-plaque);font-weight:500;letter-spacing:var(--tr-plaque);text-transform:uppercase;text-decoration:underline;text-underline-offset:5px;opacity:.9;transition:opacity var(--dur-1) var(--ease-out)}.sl-item.is-open .sl-more{opacity:0}.sl-item:hover .sl-more{opacity:1}.sl-item--red .sl-more{opacity:1;background:var(--up-paper-50);color:var(--up-oxblood-deep);padding:12px 4px;border-radius:2px;-webkit-text-decoration-color:var(--up-oxblood-deep);text-decoration-color:var(--up-oxblood-deep)}.sl-lede{font-family:var(--font-body-stack);font-size:var(--t-h4);font-weight:500;line-height:1.3;letter-spacing:-.005em}.sl-foot{max-width:44ch;gap:14px}.sl-btn{align-self:start;margin-top:4px;border-color:currentColor;color:inherit;background:transparent}.sl-item:focus-visible .sl-btn,.sl-item:hover .sl-btn{background:var(--sl-ink);color:var(--sl-ground);border-color:var(--sl-ink)}.sl-item:hover .sl-btn .arr{transform:translateX(5px)}.sl-btn{transition:transform .22s var(--ease-out),background .22s var(--ease-out),color .22s var(--ease-out),border-color .22s var(--ease-out),box-shadow .22s var(--ease-out)}.sl-item.is-open .sl-btn{pointer-events:auto}.sl-item .sl-btn:hover{transform:translateY(-2px);box-shadow:var(--up-elev-cast-dark)}.sl-item .sl-btn:hover .arr{transform:translateX(9px)}.sl-item:active .sl-btn{transform:translateY(0) scale(.98)}@media (max-width:900px){.sl-more{display:none}.sl-btn{margin-top:8px}}.roof-lede{max-width:64ch}.roof-chain{position:relative;overflow:hidden;margin:clamp(38px,5vw,76px) 0 clamp(32px,4vw,60px);padding:64px 0 clamp(18px,2vw,26px)}.roof-rule{position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--up-bronze-bright);opacity:.55;transform-origin:left center}.roof-links{list-style:none;margin:0;padding:0 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var(--up-bronze);padding-left:clamp(18px,2.2vw,30px)}.up-answerblock-kick{margin:0}.up-answer{margin:0;font-size:var(--t-body);line-height:1.6;color:var(--up-ink);max-width:70ch}.up-answerblock--lead{padding-block:clamp(46px,6vw,88px)}.up-answerblock--lead .up-answerblock-in{gap:18px;padding-left:clamp(24px,3vw,44px);border-left-width:3px}.up-answerblock--lead .up-answer{font-size:var(--t-lede);line-height:1.55;max-width:58ch}.up-videoloop{position:absolute;inset:0;overflow:hidden}.up-videoloop-el{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}.sys code{font-family:var(--font-mono-stack);font-size:var(--t-small);letter-spacing:.02em;color:var(--up-bronze-ink)}.sys .up-band--dark code{color:var(--up-bronze-bright)}.sys-hero{padding-top:clamp(120px,14vw,200px)}.sys-h1{max-width:18ch;margin-top:18px}.sys-hero-lede{margin-top:22px;max-width:60ch}.sys-toc{display:flex;flex-wrap:wrap;gap:10px clamp(18px,2.4vw,34px);margin-top:clamp(30px,4vw,52px);border-top:1px solid var(--up-line);padding-top:20px}.sys-toc a{font-family:var(--font-mono-stack);font-size:var(--t-plaque);letter-spacing:var(--tr-plaque);text-transform:uppercase;color:var(--up-ink-soft);text-decoration:none;transition:color var(--dur-1) var(--ease-out)}.sys-toc a:focus-visible,.sys-toc a:hover{color:var(--up-bronze)}.sys-toc a{position:relative}.sys-toc a:after{content:"";position:absolute;inset:-2px 0}.sys-sec{scroll-margin-top:100px}.sys-note{max-width:64ch;margin-bottom:clamp(30px,4vw,50px)}.sys-swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));grid-gap:clamp(14px,1.8vw,24px);gap:clamp(14px,1.8vw,24px)}.sys-swatch{display:grid;grid-gap:7px;gap:7px}.sys-swatch-chip{display:block;height:76px;border-radius:2px;border:1px solid var(--up-line-strong);box-shadow:var(--up-elev-1)}.sys-swatch-name{font-size:var(--t-plaque);letter-spacing:var(--tr-plaque);color:var(--up-ink)}.sys-swatch-name,.sys-swatch-val{font-family:var(--font-mono-stack)}.sys-swatch-val{font-size:var(--t-small);color:var(--up-fg-3);text-transform:uppercase}.sys-ramp{display:grid;grid-gap:clamp(26px,3.2vw,46px);gap:clamp(26px,3.2vw,46px)}.sys-ramp-row{display:grid;grid-gap:10px;gap:10px;border-top:1px solid var(--up-line);padding-top:16px}.sys-ramp-meta{display:flex;flex-wrap:wrap;gap:8px 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var(--up-line);padding-top:18px;margin-bottom:clamp(28px,3.4vw,46px)}.sys-comp-label{margin-bottom:16px}.sys-comp-row{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-start}.sys-rung-static{max-width:340px;cursor:default}.sys-comp-faq{max-width:70ch}.sys-comp-form{max-width:420px}.sys-table{width:100%;border-collapse:collapse;max-width:720px}.sys-table th{font-family:var(--font-mono-stack);font-size:var(--t-plaque);letter-spacing:var(--tr-plaque);text-transform:uppercase;text-align:left;color:var(--up-fg-3);font-weight:500;padding:12px 16px 12px 0;border-bottom:2px solid var(--up-ink)}.sys-table td{padding:11px 16px 11px 0;border-bottom:1px solid var(--up-line)}.sys-mono{font-family:var(--font-mono-stack);font-size:var(--t-small)}.sys-dim{color:var(--up-ink-soft);overflow-wrap:anywhere}.sys-laws{list-style:none;margin:0;padding:0;display:grid;grid-gap:clamp(20px,2.6vw,34px);gap:clamp(20px,2.6vw,34px)}.sys-laws li{display:grid;grid-template-columns:3.2rem minmax(0,1fr);grid-gap:clamp(14px,2vw,28px);gap:clamp(14px,2vw,28px);align-items:start;border-top:1px solid var(--up-line-dark);padding-top:18px}.sys-law-n{font-family:var(--font-mono-stack);font-size:var(--t-plaque);letter-spacing:var(--tr-plaque);color:var(--up-bronze-bright)}.sys-law-h{font-size:var(--t-display-s);color:var(--up-paper-50);margin-bottom:8px}.sys-law-p{color:var(--up-fg-on-dark);max-width:74ch;line-height:1.6}.sys-laws-foot{margin-top:clamp(30px,4vw,48px);max-width:74ch}@media (max-width:640px){.sys-laws li{grid-template-columns:2.4rem minmax(0,1fr)}}.sys-ramp-step{font-family:var(--font-mono-stack);font-size:var(--t-small);color:var(--up-bronze-ink)}.sys-ramp-step.is-bad{color:var(--up-oxblood);font-weight:600}