.lp{position:relative;min-height:100vh;background:var(--bg);color:var(--text);overflow-x:clip;font-family:var(--font-sans)}.lp-wrap{width:min(1220px,calc(100% - 40px));margin-inline:auto}.lp h1,.lp h2,.lp h3,.lp h4{font-family:var(--font-display);letter-spacing:-.025em;text-wrap:balance;color:var(--text);margin:0}.lp p{margin:0}.lp-shot-dark,:root[data-theme=dark] .lp-shot-light{display:none}:root[data-theme=dark] .lp-shot-dark{display:block}@media (prefers-color-scheme:dark){:root:not([data-theme]) .lp-shot-light{display:none}:root:not([data-theme]) .lp-shot-dark{display:block}}.lp-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:var(--radius-md);border:1px solid var(--accent);background:var(--accent);font-size:15px;font-weight:600;letter-spacing:-.01em;text-decoration:none;cursor:pointer;white-space:nowrap;transition:background var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out),transform var(--dur-fast) var(--ease-out)}.lp-btn,.lp-btn:hover{color:var(--on-accent)}.lp-btn:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.lp-btn:active{transform:translateY(1px)}.lp-btn.ghost{background:var(--surface);color:var(--text);border:1px solid var(--border-strong)}.lp-btn.ghost:hover{background:var(--surface-2);border-color:var(--border-control);color:var(--text)}.lp-btn.sm{min-height:38px;padding:0 14px;font-size:13.5px;border-radius:var(--radius-sm)}.lp-btn.block{width:100%}.lp-eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;color:var(--accent-ink);font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.lp-eyebrow:before{content:"";width:16px;height:2px;background:var(--accent)}.lp-example-badge{padding:3px 9px;border-radius:var(--radius-full);background:var(--surface-2);border:1px solid 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minmax(0,1fr)}}.lp-hero-copy{min-width:0;display:grid;gap:18px;justify-items:start}.lp-announce{display:inline-flex;align-items:center;gap:9px;max-width:100%;padding:6px 13px;border-radius:var(--radius-full);background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 32%,transparent);color:var(--accent-ink);font-family:var(--font-mono);font-size:12px;font-weight:600;text-decoration:none}.lp-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex-shrink:0}.lp-hero h1{font-size:clamp(34px,4.3vw,56px);line-height:1.04;letter-spacing:-.03em}.lp-hero h1 span{color:var(--accent-ink)}.lp-lead{color:var(--text-2);font-size:clamp(16px,1.45vw,18.5px);line-height:1.55;max-width:58ch}.lp-cta{display:flex;flex-wrap:wrap;gap:10px;width:100%}.lp-cta.center{justify-content:center}.lp-hero-subactions{padding-top:2px}.lp-quiet-guide{display:inline-flex;flex-wrap:wrap;align-items:center;gap:7px;color:var(--text-2);font-size:14px;font-weight:550;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--border-strong)}.lp-quiet-guide:hover{color:var(--accent-ink);text-decoration-color:var(--accent)}.lp-hero-media{min-width:0}.lp-hero-stage{border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border-strong);box-shadow:var(--shadow-lg);overflow:hidden}.lp-stage-chrome{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;background:var(--surface-2);border-bottom:1px solid var(--border)}.lp-stage-tabs{display:flex;flex-wrap:wrap;gap:4px}.lp-stage-tab{min-height:32px;padding:0 11px;border-radius:var(--radius-sm);border:1px solid transparent;background:transparent;color:var(--text-2);font-size:12.5px;font-weight:600;cursor:pointer}.lp-stage-tab:hover{background:var(--surface);color:var(--text)}.lp-stage-tab[aria-selected=true]{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}.lp-stage-route{color:var(--text-2);font-family:var(--font-mono);font-size:11.5px}.lp-stage-viewport{background:var(--bg);border-bottom:1px solid var(--border)}.lp-stage-viewport img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top center}.lp-stage-caption{padding:16px 18px;display:grid;gap:12px}.lp-stage-meta-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}.lp-stage-tag{color:var(--accent-ink);font-family:var(--font-mono);font-size:11.5px;font-weight:600}.lp-stage-caption strong{display:block;font-family:var(--font-display);font-size:18px;line-height:1.25;color:var(--text);margin-bottom:4px}.lp-stage-caption p{color:var(--text-2);font-size:13.5px;line-height:1.5}.lp-stage-caption-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:10px;border-top:1px solid var(--border)}.lp-stage-jump{display:inline-flex;align-items:center;gap:5px;color:var(--accent-ink);font-size:13px;font-weight:600;text-decoration:none}.lp-stage-jump:hover{text-decoration:underline;text-underline-offset:4px}.lp-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:clamp(28px,4vw,44px) 0 0;background:var(--border-strong);border:1px solid var(--border-strong);border-radius:var(--radius-lg);overflow:hidden}@media (min-width:640px){.lp-stats{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (min-width:1000px){.lp-stats{grid-template-columns:repeat(6,minmax(0,1fr))}}.lp-stat-cell{background:var(--surface);padding:18px 16px;display:flex;flex-direction:column-reverse;gap:4px}.lp-stat-cell dt{color:var(--text-2);font-size:13px;font-weight:500}.lp-stat-cell dd{margin:0;font-family:var(--font-display);font-size:clamp(26px,2.5vw,34px);font-weight:700;line-height:1.05;color:var(--text);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.lp-stack-band{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:18px 0}.lp-stack-inner{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px}.lp-stack-label{color:var(--text-2);font-family:var(--font-mono);font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.lp-stack-logos{display:flex;flex-wrap:wrap;gap:8px}.sim{--sim-tone:var(--text-2)}.sim,.sim-window{position:relative}.sim-window{border-radius:20px;border:1px solid var(--border-strong);box-shadow:none;overflow:hidden}.sim-titlebar,.sim-window{background:var(--surface-2)}.sim-titlebar{display:flex;align-items:center;gap:12px;height:42px;padding:0 12px 0 16px;border-bottom:1px solid var(--border)}.sim-lights{display:flex;gap:6px}.sim-lights i{width:11px;height:11px;border-radius:50%}.sim-lights i,.sim-lights i:first-child,.sim-lights i:nth-child(2),.sim-lights i:nth-child(3),.sim-url{background:var(--surface-2)}.sim-url{display:inline-flex;align-items:center;gap:6px;margin-inline:auto;padding:4px 12px;border-radius:8px;border:1px solid var(--border);color:var(--text-2);font-family:var(--font-mono);font-size:11.5px;min-width:0;max-width:50%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.sim-url .icon{color:var(--accent-ink);flex-shrink:0}.sim-play{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--text-2);font-size:11.5px;font-weight:550;cursor:pointer}.sim-play:hover:not(:disabled){color:var(--text);border-color:var(--border-strong)}.sim-play:disabled{opacity:.6}.sim-body{display:grid;grid-template-columns:1fr;min-height:520px}.sim-side{position:relative;display:none;padding:14px 10px;border-right:1px solid var(--border);background:var(--surface-2);max-height:620px;overflow-y:auto;scrollbar-width:none}.sim-side::-webkit-scrollbar{display:none}.sim-side-brand{display:flex;align-items:center;gap:8px;padding:4px 8px 6px;font-weight:700;font-size:14px;letter-spacing:-.03em}.sim-side-brand b{color:var(--accent-ink);font-family:var(--font-mono);font-weight:600}.sim-group{display:grid;gap:1px}.sim-group-label{margin:10px 8px 3px;color:var(--text-2);font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase}.sim-side button{position:relative;display:flex;align-items:center;gap:9px;width:100%;min-height:29px;padding:4px 8px;border:0;border-radius:7px;background:transparent;color:var(--text-2);font-size:12.5px;font-weight:500;text-align:left;cursor:pointer;overflow:hidden;transition:background .15s,color .15s}.sim-side button .icon{color:var(--text-2);flex-shrink:0}.sim-side button:hover,.sim-side button[aria-pressed=true]{background:var(--surface-2);color:var(--text)}.sim-side button[aria-pressed=true] .icon{color:var(--sim-tone)}.sim-progress{position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--sim-tone);transform-origin:left;animation:sim-progress var(--sim-duration) linear both;box-shadow:none}@keyframes sim-progress{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.sim-main{min-width:0;padding:18px;background:var(--surface-2);transition:background .6s}.sim-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;animation:sim-in .45s var(--ease-out) both}.sim-head strong{display:block;font-size:17px;letter-spacing:-.025em}.sim-head small{color:var(--text-2);font-size:12.5px}.sim-badge{margin-left:auto;padding:3px 9px;border-radius:99px;border:1px dashed var(--border-strong);color:var(--text-2);font-family:var(--font-mono);font-size:10px;white-space:nowrap}.sim-tile{display:grid;place-items:center;width:38px;height:38px;flex-shrink:0;border-radius:11px;background:var(--tone-soft,var(--accent-soft));color:var(--tone,var(--accent-ink));border:1px solid color-mix(in srgb,var(--tone,var(--accent)) 25%,transparent)}.sim-tile .icon{width:19px;height:19px}.sim-scene,.sim-stage-wrap{min-width:0}.sim-scene{display:grid;gap:12px}.sim-scene [style*="--i"],.sim-scene>*{animation:sim-in .55s var(--ease-out) both;animation-delay:calc(var(--i, 0) * 80ms + 60ms)}@keyframes 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12px;border-radius:8px;background:var(--accent);color:var(--on-accent);font-size:12px;font-weight:650;white-space:nowrap}.sim-btn.ghost{background:var(--surface-2);color:var(--text-2);border:1px solid var(--border)}.sim-bar{height:6px;border-radius:99px;overflow:hidden}.sim-bar,.sim-bar>span{display:block;background:var(--surface-2)}.sim-bar>span{height:100%;width:var(--value);border-radius:inherit;animation:sim-fill 1.2s .2s var(--ease-out) both;transition:width .3s linear}@keyframes sim-fill{0%{width:0}}.sim-ring{position:relative;display:grid;place-items:center;width:44px;height:44px;flex-shrink:0}.sim-ring svg{transform:rotate(-90deg)}.sim-ring circle{fill:none;stroke-width:4}.sim-ring-track{stroke:var(--text)}.sim-ring-value{stroke:var(--tone,var(--accent));stroke-linecap:round;stroke-dashoffset:var(--offset);animation:sim-ring 1.4s .2s var(--ease-out) both;transition:stroke-dashoffset .8s var(--ease-out)}@keyframes sim-ring{0%{stroke-dashoffset:107}}.sim-ring b{position:absolute;font-size:10.5px;font-weight:650;font-family:var(--font-mono)}.sim-caret{display:inline-block;width:7px;height:1.1em;margin-left:1px;vertical-align:text-bottom;background:var(--accent);animation:sim-blink 1s steps(1) infinite}@keyframes sim-blink{50%{opacity:0}}.sim-face{display:grid;place-items:center;width:40px;height:40px;flex-shrink:0;border-radius:12px;background:var(--surface-2);color:var(--text);font-size:13px;font-weight:700}.sim-face.small{width:28px;height:28px;border-radius:9px;font-size:10px}.sim-dot{display:grid;place-items:center;width:22px;height:22px;flex-shrink:0;border-radius:7px;background:var(--surface-2);color:var(--text-2)}.sim-dot.is-done{background:var(--accent-soft);color:var(--accent-ink)}.sim-node{display:grid;place-items:center;width:24px;height:24px;flex-shrink:0;border-radius:50%;border:1px solid var(--border-strong);background:var(--surface-2);color:var(--text-2);font-family:var(--font-mono);font-size:10.5px;transition:all .4s var(--ease-out)}.is-done>.sim-node{background:var(--tone,var(--accent));border-color:transparent;color:var(--text)}.is-current>.sim-node{border-color:var(--tone,var(--accent));color:var(--tone,var(--accent-ink));box-shadow:none}.sim-greeting small{color:var(--text-2);font-family:var(--font-mono);font-size:11px}.sim-greeting strong{display:block;font-size:20px;letter-spacing:-.035em}.sim-continue{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:14px;padding:14px;border-radius:14px;border:1px solid var(--border);background:var(--surface-2)}.sim-continue small{color:var(--text-2);font-size:11px}.sim-continue strong{display:block;font-size:14px;margin:2px 0 8px}.sim-continue .sim-btn{display:none}.sim-thumb{display:grid;place-items:center;width:50px;height:50px;border-radius:12px;background:var(--surface-2);color:var(--on-accent)}.sim-thumb .icon{fill:currentColor}.sim-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.sim-stat{flex-direction:column;align-items:flex-start;gap:8px;padding:12px;border-radius:12px;border:1px solid var(--border);background:var(--surface-2);font-size:12px}.sim-next,.sim-stat{display:flex;color:var(--text-2)}.sim-next{align-items:center;gap:10px;padding:11px 14px;border-radius:12px;border:1px dashed var(--border-control);font-size:12.5px}.sim-next .icon{color:var(--accent-ink);flex-shrink:0}.sim-next .icon:last-child{margin-left:auto;color:var(--text-2)}.sim-player{position:relative;display:grid;align-content:space-between;min-height:210px;padding:14px;border-radius:14px;overflow:hidden;background:var(--surface-2);border:1px solid var(--border)}.sim-player:before{content:"";position:absolute;inset:0;background:var(--surface-2)}.sim-player>*{position:relative}.sim-player-play{position:absolute;left:50%;top:44%;display:grid;place-items:center;width:54px;height:54px;border-radius:50%;transform:translate(-50%,-50%);background:var(--surface-2);color:var(--text);box-shadow:none;animation:sim-breathe 2.4s ease-in-out infinite}.sim-player-play .icon{fill:currentColor;margin-left:3px}@keyframes sim-breathe{50%{box-shadow:none}}.sim-player-title{color:var(--text-2);font-size:11px;font-family:var(--font-mono)}.sim-player-title b{display:block;color:var(--text);font-family:var(--font-sans);font-size:14px}.sim-player-bar{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:10px;color:var(--text-2);font-family:var(--font-mono);font-size:11px}.sim-player-bar .sim-bar>span{animation:none}.sim-lessons{display:grid;gap:4px;margin:0;padding:0;list-style:none}.sim-lessons 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p{color:var(--text-2);font-size:13px}.sim-levels{display:flex;gap:6px;overflow:hidden;flex-wrap:wrap}.sim-code{margin:0;min-height:132px;padding:14px;border-radius:10px;background:var(--surface-2);border:1px solid var(--border);color:var(--text);font-size:12px;line-height:1.7;white-space:pre-wrap;overflow:hidden}.sim-track-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.sim-track-head small{color:var(--text-2);font-size:11px}.sim-track-head strong{display:block;font-size:18px;letter-spacing:-.03em}.sim-roadmap{position:relative;display:grid;gap:4px;margin:0;padding:0;list-style:none}.sim-roadmap li{position:relative;display:flex;align-items:center;gap:12px;padding:6px 8px;border-radius:9px;color:var(--text-2);font-size:13px;transition:background .4s,color .4s}.sim-roadmap li:not(:last-child):after{content:"";position:absolute;left:19px;top:30px;width:2px;height:14px;background:var(--surface-2)}.sim-roadmap 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