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var(--header-h));pointer-events:none;align-items:center;padding-block:0;display:flex;position:absolute;inset:0 0 auto}html[data-motion=on] .hero__copy .container{width:100%}html[data-motion=on] .hero__copy-inner,html[data-motion=on] .beat{max-width:min(40rem, var(--hero-col));pointer-events:auto}html[data-motion=on] .beat{max-width:min(30rem, var(--hero-col))}html[data-motion=on] .hero__title{font-size:clamp(2.5rem,3.7vw,4.25rem);line-height:1.02}}@media (max-aspect-ratio:9/10){html[data-motion=on] .hero__track{height:240vh;height:240svh}html[data-motion=on] .hero__poster img,html[data-motion=on] .hero__video{object-position:50% 100%}html[data-motion=on] .hero__overlay{padding-top:var(--space-6);align-content:start;padding-bottom:0}html[data-motion=on] .beat{max-width:34rem}html[data-motion=on] .beat__title{font-size:clamp(1.5rem,1.1rem + 2.2vw,2.25rem)}html[data-motion=on] .hero__ticks{bottom:auto;top:var(--space-3)}html[data-motion=on] .hero__caption{left:var(--gutter);text-align:left;max-width:none}}.rail-wrap{position:relative}.rail-probe-row{height:0}.rail-probe{width:0;height:0;margin-left:var(--rail-offset)}.rail{z-index:0;pointer-events:none;position:absolute;top:0;left:0;overflow:visible}.rail__base{fill:none;stroke:var(--border);stroke-width:1.5px}.rail__fill{fill:none;stroke:var(--accent);stroke-width:2.75px;stroke-linecap:round;stroke-linejoin:round}.rail__nodes circle{fill:var(--background);stroke:var(--border-strong);stroke-width:1.5px}.rail__nodes circle[data-on]{fill:var(--accent);stroke:var(--accent)}.rail__pen circle{fill:var(--accent)}.rail__pen .rail__pen-halo{opacity:.16}.section{z-index:1;padding-top:var(--section-pad);position:relative}.section:last-child{padding-bottom:var(--section-pad)}.section__grid{grid-template-columns:var(--rail-col) minmax(0, 1fr);display:grid}.section__marker{gap:var(--space-1);padding:.85rem var(--space-4) 0 calc(var(--rail-offset) + 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p{text-wrap:pretty}.context-grid__close{color:var(--foreground);font-weight:560}@media (min-width:900px){.context-grid{grid-template-columns:1fr 1fr}}.facts{margin-top:var(--space-8);gap:var(--space-5);max-width:62rem;display:grid}.facts>div{border-top:1px solid var(--border);padding-top:var(--space-4)}.facts dt{letter-spacing:-.04em;font-size:clamp(1.75rem,1.4rem + 1.5vw,2.5rem);font-weight:640;line-height:1.1}.facts dd{margin-top:var(--space-2);color:var(--muted);font-size:var(--fs-small);max-width:18rem}@media (min-width:720px){.facts{grid-template-columns:repeat(3,minmax(0,1fr))}}.numbered-list{margin-top:var(--space-7);border-top:1px solid var(--border);max-width:62rem}.numbered-list li{gap:var(--space-2) var(--space-6);padding-block:var(--space-6);border-bottom:1px solid var(--border);grid-template-columns:2.5rem 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(min-width:1100px){.steps{grid-template-columns:repeat(5,minmax(0,1fr))}.steps li{grid-template-columns:minmax(0,1fr);align-content:start}.steps p{grid-column:1}}.product{margin-top:var(--space-7)}.product__window{border:1px solid var(--border);background:var(--surface);border-radius:10px;overflow:hidden}.product__bar{justify-content:space-between;align-items:center;gap:var(--space-4);padding:var(--space-3) var(--space-5);border-bottom:1px solid var(--border);display:flex}.product__title{font-weight:600;font-size:var(--fs-small)}.product__grid{grid-template-columns:minmax(0,1fr);display:grid}.panel{padding:var(--space-5);border-bottom:1px solid var(--border);min-width:0}.panel__label{font-size:var(--fs-label);color:var(--muted);margin-bottom:var(--space-3)}.panel--side .panel__label+*{margin-bottom:var(--space-5)}@media (min-width:1000px){.product__grid{grid-template-columns:minmax(0,1fr) 19rem;grid-template-areas:"hypno side""signal 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p{margin-top:var(--space-4);max-width:18rem}.site-footer__heading{font-size:var(--fs-label);letter-spacing:.12em;text-transform:uppercase;color:var(--foreground);margin-bottom:var(--space-3);font-weight:600}.site-footer__list{gap:var(--space-2);display:grid}.site-footer__list .source-link{white-space:normal;font-size:var(--fs-small)}.site-footer__base{justify-content:space-between;gap:var(--space-4);margin-top:var(--space-8);padding-block:var(--space-5);border-top:1px solid var(--border);display:flex}.site-footer__base a{min-height:2.75rem;color:var(--muted);align-items:center;display:inline-flex}.article-main{padding-block:clamp(2rem, 5vw, 4rem) var(--section-pad)}.article{max-width:50rem}.breadcrumbs ol{gap:var(--space-2);font-size:var(--fs-label);color:var(--muted);flex-wrap:wrap;display:flex}.breadcrumbs li+li:before{content:"/";margin-right:var(--space-2);color:var(--border-strong)}.breadcrumbs a{color:var(--muted)}.breadcrumbs 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