.lb-ptx{--ptx-gutter:clamp(1.25rem, .5rem + 3.2vw, 5rem);--ptx-marker:44px;--ptx-card:min(78vw, 22rem);--ptx-gap:1.25rem;position:relative;container-type:inline-size}.lb-ptx__track{margin-inline:calc(var(--ptx-gutter) * -1);padding-inline:var(--ptx-gutter);scroll-snap-type:x mandatory;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-block:12px;scroll-padding-inline-start:var(--ptx-gutter);position:relative;overflow:auto hidden}.lb-ptx__track::-webkit-scrollbar{display:none}.lb-ptx__track:focus-visible{outline:2px solid var(--color-ink);outline-offset:-2px;border-radius:var(--radius-card)}.lb-ptx__inner{width:max-content;padding-right:var(--ptx-gutter);position:relative}.lb-ptx__rail,.lb-ptx__progress{top:calc(var(--ptx-marker) / 2);left:var(--rail-start,0px);width:var(--rail-length,0px);pointer-events:none;position:absolute}.lb-ptx__rail{background:var(--color-line);height:1px;transform:translateY(-.5px)}.lb-ptx__progress{background:var(--color-ink);transform-origin:0;height:2px;transform:translateY(-1px)scaleX(0)}.lb-ptx__list{grid-auto-flow:column;grid-auto-columns:var(--ptx-card);column-gap:var(--ptx-gap);min-height:var(--ptx-reserve,auto);align-items:start;margin:0;padding:0;list-style:none;display:grid}.lb-ptx__stage{--stage-vis:1;scroll-snap-align:start;padding-top:calc(var(--ptx-marker) + 22px);flex-direction:column;display:flex;position:relative}.lb-ptx__stage.is-held{opacity:0;transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1);transform:translateY(20px)}.lb-ptx__stage.is-held.is-in{opacity:1;transform:none}.lb-ptx__marker{z-index:2;width:var(--ptx-marker);height:var(--ptx-marker);border:1px solid var(--color-line-strong);background:var(--color-paper-warm);color:var(--color-ink);font-family:var(--font-mono);letter-spacing:.04em;border-radius:50%;justify-content:center;align-items:center;font-size:.8rem;transition:background-color .35s,border-color .35s,color .35s,box-shadow .35s,transform .35s cubic-bezier(.22,1,.36,1);display:flex;position:absolute;top:0;left:0}.lb-ptx__marker.is-reached{background:var(--color-ink);border-color:var(--color-ink);color:var(--color-cream);box-shadow:0 0 0 5px var(--color-paper-warm), 0 0 0 6px var(--color-line)}.lb-ptx__stage[data-active] .lb-ptx__marker,.lb-ptx__stage.is-current .lb-ptx__marker{background:var(--color-ink);border-color:var(--color-ink);color:var(--color-cream);box-shadow:0 0 0 5px var(--color-paper-warm), 0 0 0 6px var(--color-line-strong);transform:scale(1.1)}.lb-ptx__card{border:1px solid var(--color-line);border-radius:var(--radius-card);background:var(--color-surface);--stage-hover:0;opacity:calc(.38 + .62 * max(var(--stage-vis), var(--stage-hover)));flex-direction:column;flex:1;transition:transform .45s cubic-bezier(.22,1,.36,1),border-color .45s,box-shadow .45s,opacity .25s;display:flex;overflow:hidden}.lb-ptx__media{background:var(--color-ink);aspect-ratio:3/2;position:relative;overflow:hidden}.lb-ptx__media-fit{padding:6%;transition:transform .6s cubic-bezier(.22,1,.36,1);position:absolute;inset:0}.lb-ptx__media-frame{width:100%;height:100%;position:relative}.lb-ptx__body{flex:none;padding:24px 22px 26px}.lb-ptx__eyebrow{font-family:var(--font-mono);letter-spacing:.26em;text-transform:uppercase;color:var(--color-ink-muted);align-items:center;gap:10px;margin:0 0 12px;font-size:.72rem;transition:color .35s;display:flex}.lb-ptx__eyebrow:before{content:"";background:var(--color-ink);flex-shrink:0;width:6px;height:6px;transition:background-color .35s}.lb-ptx__stage[data-active] .lb-ptx__eyebrow,.lb-ptx__stage.is-current .lb-ptx__eyebrow{color:var(--color-ink)}.lb-ptx__title{font-family:var(--font-display);letter-spacing:-.02em;text-transform:uppercase;margin:0;font-size:clamp(1.6rem,1.3rem + 1.1vw,2.25rem);font-weight:500;line-height:1.05}.lb-ptx__toggle{cursor:pointer;min-height:44px;font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--color-ink);background:0 0;border:0;align-items:center;gap:8px;margin-top:4px;padding:0;font-size:.75rem;font-weight:500;display:none}.lb-ptx__toggle:focus-visible{outline:2px solid var(--color-ink);outline-offset:4px;border-radius:2px}.lb-ptx__toggle-icon{transition:transform .3s}.lb-ptx__toggle[aria-expanded=true] .lb-ptx__toggle-icon{transform:rotate(180deg)}.lb-ptx__details{grid-template-rows:1fr;display:grid}.lb-ptx__details-clip{min-height:0;overflow:hidden}.lb-ptx__details-inner{padding-top:12px}.lb-ptx__description{color:var(--color-ink-soft);margin:0;font-size:.9375rem;line-height:1.7}.lb-ptx__link{min-height:44px;font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--color-ink);text-underline-offset:4px;align-items:center;gap:10px;margin-top:6px;font-size:.75rem;font-weight:500;text-decoration:underline;text-decoration-thickness:1px;transition:color .3s;display:inline-flex}.lb-ptx__link svg{width:14px;height:11px;transition:transform .3s cubic-bezier(.22,1,.36,1)}@media (hover:hover) and (pointer:fine){.lb-ptx__link:hover{color:var(--color-accent-deep)}.lb-ptx__link:hover svg{transform:translate(4px)}}.lb-ptx__link:focus-visible{outline:2px solid var(--color-ink);outline-offset:4px;border-radius:2px}@media (hover:hover) and (pointer:fine){.lb-ptx__card:hover{--stage-hover:1;border-color:var(--color-line-strong);transform:translateY(-4px);box-shadow:0 18px 40px -24px #1a1a174d}.lb-ptx__card:hover .lb-ptx__media-fit{transform:scale(1.04)}.lb-ptx__toggle{display:inline-flex}.lb-ptx__details{opacity:0;visibility:hidden;grid-template-rows:0fr;transition:grid-template-rows .45s cubic-bezier(.22,1,.36,1),opacity .45s cubic-bezier(.22,1,.36,1),visibility 0s .45s}.lb-ptx__details.is-open{opacity:1;visibility:visible;grid-template-rows:1fr;transition:grid-template-rows .45s cubic-bezier(.22,1,.36,1),opacity .45s cubic-bezier(.22,1,.36,1),visibility}.lb-ptx__details-inner{padding-top:10px}}.lb-ptx__controls{justify-content:flex-end;gap:10px;margin-top:20px;display:flex}.lb-ptx__btn{border:1px solid var(--color-line-strong);width:48px;height:48px;color:var(--color-ink);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;transition:background-color .3s,color .3s,border-color .3s,opacity .3s;display:inline-flex}.lb-ptx__btn:hover:not(:disabled),.lb-ptx__btn:focus-visible{background:var(--color-ink);border-color:var(--color-ink);color:var(--color-cream)}.lb-ptx__btn:disabled{cursor:default;opacity:.35}@media (min-width:40rem){.lb-ptx{--ptx-card:20rem;--ptx-gap:1.5rem}}@media (min-width:64rem){.lb-ptx{--ptx-visible:2.5;--ptx-gap:1.75rem;--ptx-marker:48px;--ptx-card:clamp(18rem, calc((100cqw + var(--ptx-gutter) - (var(--ptx-visible) - .5) * var(--ptx-gap)) / var(--ptx-visible)), 32rem)}.lb-ptx__marker{font-size:.9rem}.lb-ptx__body{padding:26px 28px 28px}}@media (min-width:80rem){.lb-ptx{--ptx-visible:3.5;--ptx-gap:2rem}}@media (prefers-reduced-motion:reduce){.lb-ptx__marker,.lb-ptx__card,.lb-ptx__media-fit,.lb-ptx__eyebrow,.lb-ptx__toggle-icon,.lb-ptx__link,.lb-ptx__link svg,.lb-ptx__btn{transition:none}.lb-ptx__link:hover svg{transform:none}.lb-ptx__details,.lb-ptx__details.is-open{transition:visibility}.lb-ptx__card:hover,.lb-ptx__card:hover .lb-ptx__media-fit,.lb-ptx__stage[data-active] .lb-ptx__marker,.lb-ptx__stage.is-current .lb-ptx__marker{transform:none}}