body.ln-hot{cursor:pointer}.lp-alt{background:var(--surface)}.lp-pill{min-height:48px;padding:0 var(--s5);border-radius:var(--r-full);background:var(--accent);color:var(--on-accent);letter-spacing:-.01em;transition:background var(--d2) var(--ease), scale var(--d2) var(--ease);align-items:center;font-weight:500;text-decoration:none;display:inline-flex}.lp-pill:hover{background:color-mix(in oklab, var(--accent) 84%, var(--ink))}.lp-pill:active{scale:.97}.lp-actions{align-items:center;gap:var(--s3) var(--s6);margin-top:var(--s6);flex-wrap:wrap;display:flex}.lp-sub{margin:var(--s4) 0 0;max-width:38rem;color:var(--ink-2);font-size:clamp(1.05rem,1rem + .35vw,1.3rem);line-height:1.5}.lp .lp-sub{text-wrap:balance}.lp-hero{isolation:isolate;text-align:center;min-height:calc(100svh - var(--header-h));padding-top:clamp(40px,8dvh,104px);padding-bottom:var(--s5);background:radial-gradient(120% 85% at 50% 40%, color-mix(in oklab, var(--night-deep), var(--night-ink) 5%) 0%, var(--night-deep) 64%);flex-direction:column;display:flex;position:relative;overflow:hidden}.lp-hero-copy{z-index:1;margin-block:auto;position:relative}.lp-hero-copy:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(closest-side, color-mix(in oklab, var(--night-deep) 74%, transparent) 35%, transparent 100%);position:absolute;inset:-10% -6%}.lp-drop{z-index:0;pointer-events:none;opacity:0;transition:opacity 1.2s var(--lp-ease);position:absolute;inset:0}.lp-drop.is-on{opacity:1}.lp-drop canvas{width:100%;height:100%;display:block;position:absolute;inset:0}.lp-drop-note{z-index:1;justify-items:center;gap:var(--s2);max-width:40rem;margin:var(--s6) auto 0;padding-inline:var(--lp-gutter);font-size:var(--t-small);color:var(--ink-2);opacity:0;transition:opacity .9s var(--lp-ease) .4s;display:grid;position:relative}.lp-drop-note.is-on{opacity:1}.lp-drop-line{justify-content:center;align-items:center;gap:var(--s3);display:flex}.lp-drop-info{width:44px;height:44px;color:var(--ink-3);cursor:pointer;transition:color var(--d2);background:0 0;border:0;border-radius:50%;place-items:center;margin:-12px -12px -12px -8px;padding:0;display:grid}.lp-drop-info:hover,.lp-drop-info[aria-expanded=true]{color:var(--ink)}.lp-drop-info svg{width:16px;height:16px}.lp-drop-note p{text-wrap:balance;color:var(--ink-3);animation:enter-rise .5s var(--lp-ease) backwards;margin:0}.lp-drop-scale{white-space:nowrap;font-variant-numeric:tabular-nums;justify-items:center;gap:3px;line-height:1;display:inline-grid}.lp-drop-scale i{border:2px solid;border-top:0;height:6px;display:block}@supports (animation-timeline:view()){@media (prefers-reduced-motion:no-preference){.lp-drop canvas{animation:linear both lp-drop-sink;animation-timeline:view();animation-range:exit}}}@keyframes lp-drop-sink{to{translate:0 30%}}.lp-hero-sub{margin:var(--s3) auto 0;letter-spacing:-.03em;color:var(--ink-2);max-width:22ch;font-size:clamp(1.5rem,1.1rem + 1.7vw,2.6rem);font-weight:600;line-height:1.12;display:block}.lp-lead{margin:var(--s5) 0 0;max-width:40rem;color:var(--ink-2);font-size:clamp(1.05rem,1rem + .3vw,1.25rem)}.lp-hero .lp-actions{justify-content:center}.lp-hl{justify-items:center;gap:var(--s5);padding-inline:var(--lp-gutter);display:grid}.lp-hl-frame{width:min(100%,980px);position:relative}.lp-hl-stage{aspect-ratio:1600/1000;touch-action:pan-y;-webkit-user-select:none;user-select:none;width:100%;position:relative;overflow:hidden}.lp-hl-stage:after{content:"";pointer-events:none;background:radial-gradient(closest-side, transparent 58%, var(--paper) 100%);position:absolute;inset:-1px}.lp-hl-arrow{z-index:1;background:var(--surface);width:48px;height:48px;color:var(--ink);cursor:pointer;opacity:.7;transition:opacity var(--d2) var(--ease), background var(--d2) var(--ease), scale var(--d2) var(--ease);border:0;border-radius:50%;place-items:center;padding:0;display:grid;position:absolute;top:50%;translate:0 -50%}.lp-hl-arrow.is-prev{left:0}.lp-hl-arrow.is-next{right:0}.lp-hl-arrow svg{stroke-width:2px;width:22px;height:22px}.lp-hl-frame:hover .lp-hl-arrow,.lp-hl-arrow:focus-visible{opacity:1}.lp-hl-arrow:hover{background:var(--surface-2)}.lp-hl-arrow:active{scale:.94}@media (hover:hover){.lp-hl-stage{cursor:grab}.lp-hl-stage:active{cursor:grabbing}}@media (hover:none){.lp-hl-arrow{display:none}}.lp-hl-cap{justify-items:center;gap:var(--s1);text-align:center;max-width:40rem;animation:enter-rise .7s var(--lp-ease) backwards;display:grid}.lp-hl-nav{justify-content:center;align-items:center;gap:var(--s3);display:flex}.lp-hl-dots{border-radius:var(--r-full);background:var(--surface);align-items:center;padding:4px 10px;display:flex}.lp-hl-fill{border-radius:inherit;background:var(--ink);transform-origin:0;width:100%;height:100%;animation-name:lp-hl-fill;animation-timing-function:linear;animation-fill-mode:forwards;display:block;transform:scaleX(0)}.lp-hl-play{background:var(--surface);width:44px;height:44px;color:var(--ink);cursor:pointer;transition:background var(--d2);border:0;border-radius:50%;place-items:center;display:grid}.lp-hl-play:hover{background:var(--surface-2)}.lp-hl-play .is-stroke{fill:none;stroke:currentColor;stroke-width:2.2px;stroke-linecap:round;stroke-linejoin:round}@media (max-width:680px){.lp-hl-stage{aspect-ratio:4/3}}.lp-statement{text-align:center;text-wrap:balance;letter-spacing:-.035em;max-width:26ch;color:var(--ink);margin:0 auto;font-size:clamp(1.75rem,1rem + 2.6vw,3.25rem);font-weight:600;line-height:1.12}@supports (animation-timeline:view()){.lp-statement{view-timeline-name:--lp-st}}.lp-bento{gap:var(--s4);grid-template-columns:repeat(6,minmax(0,1fr));display:grid}.lp-cell{align-items:flex-start;gap:var(--s4);border-radius:var(--lp-r);background:var(--surface);flex-direction:column;grid-column:span 6;padding:clamp(24px,3vw,44px);display:flex}@media (min-width:900px){.lp-cell.is-quiz{grid-area:span 2/span 4}.lp-cell.is-check,.lp-cell.is-web{grid-column:span 2}}.lp-cell-lead{color:var(--ink-2);max-width:40rem;margin:0}.lp-cell-note{margin:var(--s2) 0 0;padding:0}.lp-cell .ln-quiz{width:100%;max-width:44rem}@supports (animation-timeline:view()){.lp-cell{animation:linear both lp-cell;animation-timeline:view();animation-range:entry entry 70%}}.ln-quiz{display:grid}.ln-quiz-tag{font-size:var(--t-small);color:var(--ink-3)}.ln-quiz-q{margin:var(--s2) 0 var(--s4);letter-spacing:-.01em;font-size:1.1rem;font-weight:500;line-height:1.4}.ln-quiz-options{gap:var(--s2);margin:0;padding:0;list-style:none;display:grid}.ln-quiz-options button.is-correct{border-color:var(--chem);background:var(--chem-bg)}.ln-quiz-letter{background:var(--surface-2);font-variant-numeric:tabular-nums;border-radius:50%;flex:none;place-items:center;width:28px;height:28px;font-size:.82rem;display:inline-grid}.ln-quiz-again{margin-top:var(--s3);font:inherit;color:var(--accent);cursor:pointer;background:0 0;border:0;min-height:44px;padding:0;font-weight:500}.ln-quiz-again:hover{text-underline-offset:5px;text-decoration:underline}.lp-cov-board{gap:clamp(32px,4vw,48px) clamp(32px,6vw,96px);margin-top:clamp(64px,8vw,120px);display:grid}@media (min-width:900px){.lp-cov-board{grid-template-columns:minmax(0,5fr) minmax(0,6fr);align-items:start}}.lp-cov-copy{justify-items:start;gap:var(--s4);display:grid}.lp-cov-copy .lp-sub{margin:0;font-size:1.0625rem}.lp .lp-cov-title{letter-spacing:-.03em;max-width:20ch;font-size:clamp(1.6rem,1.2rem + 1.4vw,2.4rem);line-height:1.12}.lp-count{color:var(--accent);font-variant-numeric:tabular-nums}.lp-cov-list{margin:0;padding:0;list-style:none;display:grid}.lp-cov-list li:last-child a{border-bottom:1px solid var(--line)}.lp-cov-code{font-family:var(--font-display);font-variant-numeric:tabular-nums;font-size:var(--t-small);color:var(--ink-3);grid-area:code;align-self:start;padding-top:3px}.lp-cov-n{font-family:var(--font-display);font-size:var(--t-small);color:var(--ink-2);font-variant-numeric:tabular-nums;grid-area:n}.lp-cov-lock{font-family:var(--font-display);color:var(--ink-3);align-items:center;gap:6px;display:inline-flex}.lp .mono{font-family:var(--lp-sans)}.lp-try{gap:var(--s5);display:grid}.lp-try-features{justify-content:center;gap:var(--s3) clamp(24px, 4vw, 48px);font-size:var(--t-small);color:var(--ink-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.lp-try-features li{align-items:center;gap:var(--s2);display:inline-flex}.lp-try-features svg{width:18px;height:18px;color:var(--ink);stroke-width:1.75px;flex:none}.lp-try-lesson{gap:var(--s4);align-items:stretch;display:grid}.lp-try-stage{border-radius:var(--lp-r);background:var(--surface);min-width:0;overflow:clip}.lp-try-stage .stage{margin:0}.lp-try-stage .stage-canvas-wrap{border:0}.lp-try-stage .stage-canvas-wrap canvas{height:clamp(340px,50svh,600px)}.lp-try-poster{display:grid;position:relative}.lp-try-poster img{width:100%;height:auto;display:block}.lp-try-poster .lp-pill{left:50%;bottom:var(--s5);white-space:nowrap;position:absolute;translate:-50%}.lp-try-read{gap:var(--s4);border-radius:var(--lp-r);background:var(--surface);flex-direction:column;min-width:0;max-width:none;margin:0;padding:clamp(24px,3vw,40px);display:flex}.lp-try-read .toggle{align-self:start;margin:0}.lp-try-read p:first-of-type:first-letter{font-family:inherit;font-size:inherit}.lp-try-scroll{max-block-size:30rem;padding-bottom:var(--s6);-webkit-mask-image:linear-gradient(to bottom, #000 calc(100% - var(--s6)), transparent);mask-image:linear-gradient(to bottom, #000 calc(100% - var(--s6)), transparent);overflow-y:auto}@media (min-width:1000px){.lp-try-lesson{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}.lp-try-read{contain:size}.lp-try-scroll{min-height:0;flex:auto;max-block-size:none}}.lp-faq{gap:clamp(32px,5vw,64px);display:grid}@media (min-width:1000px){.lp-faq{grid-template-columns:minmax(0,4fr) minmax(0,7fr);align-items:start}}.lp-final .lp-sub{margin-inline:auto}.lp-final .lp-actions{justify-content:center}@media (prefers-reduced-motion:reduce){.lp-hero-copy>*,.lp-statement>*,.lp-cell,.lp-cov-bar i{animation:none}.lp-drop,.lp-drop-note{transition:none}}.tour{z-index:100;background:var(--ln-bg);color:var(--ln-text);font-family:var(--font-sans);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;position:fixed;inset:0}.tour-world{position:absolute;inset:0}.ln-world-canvas{opacity:0;width:100%;height:100%;transition:opacity 1.6s cubic-bezier(.16,1,.3,1);display:block;position:absolute;inset:0}.tour.is-ready .ln-world-canvas{opacity:1}.tour-loading,.tour-fail{color:var(--ln-text-2);place-items:center;margin:0;display:grid;position:absolute;inset:0}.tour-close{z-index:3;border:1px solid var(--ln-line);background:var(--ln-glass);color:var(--ln-text);font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:10px;padding:8px 14px;display:inline-flex;position:absolute;top:20px;right:24px}.tour-caption{z-index:2;gap:10px;max-width:30rem;animation:.9s cubic-bezier(.16,1,.3,1) both tour-in;display:grid;position:absolute;bottom:clamp(96px,16dvh,150px);left:clamp(20px,5vw,72px)}.tour-step{color:var(--ln-glow);font-size:.92rem}.tour-pick{z-index:3;background:var(--ln-glass);border:1px solid var(--ln-line);border-radius:20px;width:min(360px,90vw);padding:22px 24px;animation:.6s cubic-bezier(.16,1,.3,1) both tour-in;position:absolute;top:50%;right:clamp(20px,4vw,56px);translate:0 -50%}.tour-controls{z-index:3;background:var(--ln-glass);border:1px solid var(--ln-line);border-radius:999px;align-items:center;gap:16px;padding:8px 10px;display:flex;position:absolute;bottom:clamp(20px,4dvh,40px);left:50%;translate:-50%}.tour-play{border-radius:50%;width:36px;height:36px;font-size:.8rem;border:1px solid var(--ln-line)!important}.tour-next{padding:6px 12px;font-weight:600}.tour-dots{gap:6px;margin:0;padding:0;list-style:none;display:flex}.ln-tags{pointer-events:none;z-index:1;position:absolute;inset:0}@media (max-width:680px){.lp-hero{padding-top:var(--s5)}.lp-hero-sub{margin-top:var(--s2);font-size:1.3rem}.lp-hero .lp-lead{margin-top:var(--s3);font-size:1rem}.lp-hero .lp-actions{margin-top:var(--s4)}}