.bf{--bf-ease:cubic-bezier(.16, 1, .3, 1);position:relative;overflow-x:clip}.bf-stage{z-index:0;pointer-events:none;position:fixed;inset:0}.bf-backdrop{background:radial-gradient(48% 46% at 70% 42%,#4628be29,#0000 70%),radial-gradient(40% 40% at 24% 80%,#2e7bff0f,#0000 70%),#020205;position:absolute;inset:0}.bf-canvas{opacity:0;width:100%;height:100%;transition:opacity 1.4s ease-out;display:block;position:absolute;inset:0}.bf-canvas[data-live]{opacity:1}.bf-scrim{background:linear-gradient(0deg,#020205d1 0,#0202058c 30%,#02020500 48%);position:absolute;inset:0}.bf-hud{position:absolute;inset:0;overflow:hidden}.bf-hud-label{opacity:0;white-space:nowrap;font-family:var(--font-mono);letter-spacing:.04em;color:var(--color-muted);text-shadow:0 0 10px #020205,0 0 3px #020205;will-change:transform, opacity;font-variant-numeric:tabular-nums;text-overflow:ellipsis;font-size:11px;position:absolute;top:0;left:0;overflow:hidden}.bf-hud-big{font-family:var(--font-display);letter-spacing:-.04em;color:var(--color-ink);font-size:clamp(30px,3.4vw,50px);font-weight:400}.bf-hud-cap{white-space:normal;text-align:center;text-transform:uppercase;letter-spacing:.22em;color:var(--color-muted);font-size:10px;line-height:1.5}.bf-hud-name{font-family:var(--font-display);letter-spacing:-.01em;color:var(--color-ink);font-size:15px}.bf-hud-tag{color:var(--color-ink-soft);font-size:11px}.bf-hud-tick{color:var(--color-muted);font-size:10.5px}.bf-hud-fig{color:var(--color-ink);font-size:13px}.bf-hud-key,.bf-hud-chip{border:1px solid color-mix(in srgb, var(--wh-b) 45%, transparent);color:var(--color-ink);background:#08080fb3;border-radius:999px;padding:5px 11px;font-size:11.5px}.bf-hud-cheapest{color:color-mix(in srgb, var(--wh-a) 45%, var(--color-ink))}.bf-hud-median{color:color-mix(in srgb, var(--wh-b) 40%, var(--color-ink))}.bf-hud-dearest{color:color-mix(in srgb, var(--wh-c) 40%, var(--color-ink))}.bf-hud-magenta{color:color-mix(in srgb, var(--wh-c) 30%, var(--color-ink))}.bf:not([data-gl=on]) .bf-hud{display:none}.bf-chapter{z-index:1;grid-template-columns:minmax(0,1fr);display:grid;position:relative}.bf-chapter>*{grid-area:1/1}.bf-still{display:none}.bf-beats{position:relative}.bf-beat{min-height:100svh;padding:0 16px calc(112px + env(safe-area-inset-bottom));flex-direction:column;justify-content:flex-end;display:flex}.bf-card{border:1px solid var(--color-line);background:linear-gradient(#d6d6e40f 0 1px,#0000 1px),#08080ff2;border-radius:18px;width:100%;max-width:560px;margin:0 auto;padding:20px 20px 22px;box-shadow:0 24px 60px #0009}.bf-eyebrow{text-transform:uppercase;letter-spacing:.42em;color:var(--color-muted);font-size:11px;font-weight:500}.bf-h1{letter-spacing:-.048em;text-wrap:balance;margin-top:14px;font-size:clamp(34px,5.4vw,72px);font-weight:400;line-height:1.02}.bf-lede{max-width:30rem;color:var(--color-ink-soft);margin-top:20px;font-size:16px;line-height:1.7}.bf-label{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.3em;color:var(--color-muted);align-items:center;gap:12px;font-size:11px;display:flex}.bf-label span{color:var(--color-ink-soft)}.bf-label:after{content:"";background:linear-gradient(90deg,#d6d6e466,#0000);width:44px;height:1px}.bf-h2{letter-spacing:-.042em;text-wrap:balance;margin-top:14px;font-size:clamp(28px,3.8vw,50px);font-weight:400;line-height:1.06}.bf-p{color:var(--color-ink-soft);text-wrap:pretty;margin-top:14px;font-size:15.5px;line-height:1.68}.bf-h2+.bf-p{margin-top:16px}.bf-card>.bf-p:first-child{margin-top:0}.bf-fig{color:var(--color-ink);font-weight:500}.bf-num{font-variant-numeric:tabular-nums;text-align:right;display:inline-block}.bf-id{font-family:var(--font-mono);color:var(--color-ink);border:1px solid var(--color-line);overflow-wrap:anywhere;background:#d6d6e40a;border-radius:6px;padding:1px 6px;font-size:.86em}.bf-note{color:var(--color-muted);margin-top:10px;font-size:12px;line-height:1.6}.bf-modes{color:var(--color-muted);flex-wrap:wrap;gap:8px 14px;margin-top:12px;font-size:13px;display:flex}.bf-modes li{align-items:baseline;gap:6px;display:flex}.bf-w{vertical-align:top;margin-bottom:-.12em;padding-bottom:.12em;display:inline-block;overflow:clip}.bf-w>span{display:inline-block}.bf-w-grad{margin:0;padding:0;display:inline;overflow:visible}.bf-cue{background:linear-gradient(#d6d6e440,#0000);width:1px;height:44px;margin-top:28px;display:block;position:relative;overflow:hidden}.bf-cue span{background:var(--color-ink);border-radius:2px;width:3px;height:12px;animation:2.4s cubic-bezier(.6,0,.4,1) infinite bf-cue;position:absolute;top:0;left:-1px}@keyframes bf-cue{0%{opacity:0;transform:translateY(-14px)}30%{opacity:1}to{opacity:0;transform:translateY(46px)}}.bf-table-wrap{margin-top:14px;position:relative;overflow-x:auto}.bf-table{border-collapse:collapse;width:100%;font-size:13px}.bf-table th,.bf-table td{text-align:right;border-bottom:1px solid var(--color-line);white-space:nowrap;padding:9px 8px}.bf-table thead th{text-transform:uppercase;letter-spacing:.18em;color:var(--color-muted);font-size:10px;font-weight:500}.bf-table th[scope=row],.bf-table thead th:first-child{text-align:left;white-space:normal;padding-left:0}.bf-table th[scope=row]{color:var(--color-ink);font-weight:400}.bf-table th small{color:var(--color-muted);margin-top:2px;font-size:11px;display:block}.bf-table td{font-family:var(--font-mono);color:var(--color-ink)}@keyframes bf-word-in{0%{transform:translateY(108%)}to{transform:none}}@keyframes bf-focus-in{0%{opacity:0;filter:blur(10px)}to{opacity:1;filter:none}}@keyframes bf-rise-in{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.bf-beat-first .bf-h1 .bf-w>span{animation:bf-word-in 1s var(--bf-ease) both;animation-delay:calc(var(--w) * 55ms + .12s)}.bf-beat-first .bf-h1 .bf-w-grad{animation:bf-focus-in 1.3s var(--bf-ease) both;animation-delay:.42s}#worlds .bf-beat-first .bf-eyebrow{animation:bf-rise-in .9s var(--bf-ease) both}#worlds .bf-beat-first .bf-lede,#worlds .bf-beat-first .bf-cue{animation:bf-rise-in 1s var(--bf-ease) both;animation-delay:.62s}.bf-rv{transition:opacity .9s var(--bf-ease), transform 1s var(--bf-ease), clip-path 1.2s var(--bf-ease)}.bf-card>.bf-rv:nth-child(2),.bf-card>.bf-h2+.bf-rv{transition-delay:.28s}.bf-card>.bf-rv:nth-child(3),.bf-card>.bf-rv:nth-child(4){transition-delay:.42s}.bf-ways>.bf-rv{transition-delay:calc(var(--i) * 70ms + .25s)}.bf-w>span{transition:transform 1s var(--bf-ease);transition-delay:calc(var(--w) * 55ms + 60ms)}.bf-w-grad{transition:opacity 1.1s var(--bf-ease), filter 1.1s var(--bf-ease);transition-delay:calc(var(--w) * 55ms + .16s)}.bf[data-motion=live] :is(.bf-beat,.bf-end):not([data-in]) .bf-rv{opacity:0;clip-path:inset(0 0 100%);transform:translateY(16px)}.bf[data-motion=live] :is(.bf-beat,.bf-end):not([data-in]) .bf-h2 .bf-w>span{transform:translateY(108%)}.bf[data-motion=live] :is(.bf-beat,.bf-end):not([data-in]) .bf-h2 .bf-w-grad{opacity:0;filter:blur(10px)}.bf-rail{display:none}.bf-progress{z-index:25;transform-origin:0;height:2px;transform:scaleX(var(--story,0));background:linear-gradient(90deg, var(--wh-a), var(--wh-b) 55%, var(--wh-c));opacity:.8;position:fixed;top:0;left:0;right:0}.bf:not([data-motion=live]) .bf-progress{display:none}.bf-rail li{--lit:0}.bf[data-reading=worlds] [data-for=worlds],.bf[data-reading=cost] [data-for=cost],.bf[data-reading=margin] [data-for=margin],.bf[data-reading=differ] [data-for=differ],.bf[data-reading=autopilot] [data-for=autopilot],.bf[data-reading=paying] [data-for=paying],.bf[data-reading=ways-in] [data-for=ways-in]{--lit:1}.bf-end{z-index:1;text-align:center;padding:36svh 16px 14svh;position:relative}.bf-end .bf-label{justify-content:center}.bf-end .bf-label:after{display:none}.bf-end-ring{aspect-ratio:1;pointer-events:none;width:min(60vw,300px);position:absolute;top:8svh;left:50%;transform:translate(-50%)}.bf[data-gl=on] .bf-end-ring{display:none}.bf-end-ring:before,.bf-end-ring span{content:"";border-radius:50%;position:absolute;inset:0}.bf-end-ring:before{background:conic-gradient(from 200deg, var(--wh-a), var(--wh-b), var(--wh-c), var(--wh-b), var(--wh-a));opacity:.4;-webkit-mask:radial-gradient(closest-side,#0000 80%,#000 82% 96%,#0000 98%);mask:radial-gradient(closest-side,#0000 80%,#000 82% 96%,#0000 98%)}.bf-end-ring span{background:radial-gradient(closest-side, color-mix(in srgb, var(--wh-b) 14%, transparent), transparent 70%);inset:12%}.bf-end-title{font-size:clamp(34px,5.4vw,64px);position:relative}.bf-ways{text-align:left;grid-template-columns:minmax(0,1fr);gap:12px;max-width:1000px;margin:44px auto 0;display:grid;position:relative}.bf-way{border:1px solid var(--color-line);height:100%;transition:border-color .25s, background .25s, transform .35s var(--bf-ease);background:linear-gradient(#d6d6e40f 0 1px,#0000 1px),#08080fd6;border-radius:16px;padding:18px 20px;display:block;position:relative}.bf-way:hover{border-color:color-mix(in srgb, var(--wh-b) 50%, var(--color-line));background:var(--color-veil);transform:translateY(-2px)}.bf-way-title{font-family:var(--font-display);letter-spacing:-.02em;color:var(--color-ink);justify-content:space-between;gap:12px;font-size:18px;display:flex}.bf-way-body{color:var(--color-muted);margin-top:6px;font-size:14px;line-height:1.6;display:block}.bf-end-note{max-width:34rem;color:var(--color-muted);margin:36px auto 0;font-size:12px;line-height:1.6;position:relative}.bfs{flex-direction:column;justify-content:center;align-items:center;gap:14px;display:flex;position:absolute;inset:0}.bfs-svg{width:100%;max-height:78%;overflow:visible}.bfs-tick{font-family:var(--font-mono);fill:var(--color-muted);font-size:11px}.bfs-label{font-family:var(--font-mono);fill:var(--color-ink);font-size:13px}.bfs-magenta{fill:color-mix(in srgb, var(--wh-c) 35%, var(--color-ink))}.bfs-read{font-family:var(--font-mono);color:var(--color-muted);text-align:center;font-size:12px}.bfs-read b{font-family:var(--font-display);color:var(--color-ink);margin-right:6px;font-size:26px;font-weight:400}.bfs-legend{color:var(--color-ink-soft);flex-wrap:wrap;justify-content:center;gap:6px 18px;font-size:12px;display:flex}.bfs-legend li{align-items:center;gap:7px;display:flex}.bfs-legend span{border-radius:50%;width:7px;height:7px}.bfs-legend b{font-family:var(--font-mono);color:var(--color-muted);font-weight:400}.bfs-worlds,.bfs-auto{position:absolute;inset:0}.bfs-hero{position:absolute;top:46%;left:50%;transform:translate(-50%,-50%)}.bfs-sys{font-family:var(--font-mono);color:var(--color-muted);flex-direction:column;align-items:center;gap:4px;font-size:10px;display:flex;position:absolute;transform:translate(-50%,-50%)}.bfs-worlds .bfs-read{position:absolute;bottom:0;left:0;right:0}.bfs-routes{width:100%;height:100%;position:absolute;inset:0}.bfs-routes line{stroke:color-mix(in srgb, var(--wh-b) 55%, transparent);stroke-width:1px;vector-effect:non-scaling-stroke;stroke-dasharray:3 4}.bfs-hull{position:absolute;top:86%;left:50%;transform:translate(-50%,-50%)}.bfs-stack{justify-content:space-evenly}.bfs-stack .bfs-svg{max-height:40%}.bfs-lanes{width:min(100%,520px);color:var(--color-ink-soft);gap:6px;font-size:11px;display:grid}.bfs-lanes li{grid-template-columns:9rem minmax(0,1fr) 4rem;align-items:center;gap:10px;display:grid}.bfs-lanes span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.bfs-lanes i{background:linear-gradient(90deg, transparent, var(--wh-b));border-radius:2px;height:2px}.bfs-lanes b{font-family:var(--font-mono);color:var(--color-muted);text-align:right;font-weight:400}.bfs-dots{width:min(100%,360px)}.bf[data-gl=off] .bf-still{pointer-events:none;align-self:start;height:100svh;display:block;position:sticky;top:0}.bf[data-gl=off] .bf-still>.bfs{height:calc(44svh - 64px);inset:64px 12px auto}.bf[data-gl=off] .bf-beats{z-index:1}@media (min-width:640px){.bf-ways{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1024px){.bf-scrim{background:linear-gradient(90deg,#020205d6 0,#0202059e 30%,#0202051f 46%,#02020500 54%)}.bf-beat{justify-content:center;padding:0 clamp(24px,3vw,56px) 0 clamp(40px,7.5vw,132px)}.bf-card{max-width:31rem;box-shadow:none;background:0 0;border:0;border-radius:0;margin:0;padding:0}#worlds .bf-beat-first .bf-card{max-width:40rem}.bf-p{font-size:17px}.bf-ways{grid-template-columns:repeat(3,minmax(0,1fr))}.bf-rail{z-index:20;display:block;position:fixed;top:50%;right:22px;transform:translateY(-50%)}.bf-rail ol{gap:14px;display:grid}.bf-rail a{border-radius:6px;flex-direction:row-reverse;align-items:center;gap:10px;padding:2px 0;display:flex}.bf-rail-dot{border:1px solid color-mix(in srgb, var(--color-ink) calc(30% + var(--lit) * 70%), transparent);background:color-mix(in srgb, var(--color-ink) calc(var(--lit) * 100%), transparent);width:7px;height:7px;box-shadow:0 0 calc(var(--lit) * 10px) #9b4dffcc;border-radius:50%;transition:background .3s,border-color .3s,box-shadow .3s}.bf-rail-text{font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--color-muted);opacity:var(--lit);transform:translateX(calc((1 - var(--lit)) * 6px));white-space:nowrap;font-size:10px;transition:opacity .3s,transform .3s}.bf-rail a:hover .bf-rail-text,.bf-rail a:focus-visible .bf-rail-text{opacity:1;transform:none}.bf-progress{display:none}.bf[data-gl=off] .bf-still>.bfs{height:auto;inset:8svh clamp(132px,11vw,190px) 14svh 46%}}@media (max-width:1023px) and (max-height:700px) and (orientation:portrait){.bf-beat{padding-bottom:calc(100px + env(safe-area-inset-bottom))}.bf-card{padding:15px 16px 17px}.bf-h1{font-size:30px}.bf-h2{margin-top:10px;font-size:25px}.bf-lede,.bf-p{font-size:14.5px;line-height:1.58}.bf-p{margin-top:10px}.bf-cue{display:none}}@media (max-width:1023px) and (max-height:560px) and (orientation:landscape){.bf-beat{justify-content:center;padding:52px 16px 84px}.bf-card{max-width:min(52vw,440px);margin:0;padding:14px 16px 16px}.bf-h1{font-size:28px}.bf-h2{font-size:24px}.bf-lede,.bf-p{font-size:14px;line-height:1.55}.bf-cue{display:none}}@media (prefers-reduced-motion:reduce){.bf-chapter{padding-top:10svh}.bf-chapter>.bf-still{grid-area:1/1}.bf-chapter>.bf-beats{grid-area:2/1}.bf .bf-still,.bf[data-gl=off] .bf-still{width:min(100% - 32px,760px);height:min(58svh,460px);margin:0 auto 20px;display:block;position:relative;top:auto}.bf .bf-still>.bfs,.bf[data-gl=off] .bf-still>.bfs{height:auto;inset:0}.bf-beat{justify-content:flex-start;min-height:0;padding:0 16px 14px}.bf-card{border:1px solid var(--color-line);background:#08080feb;border-radius:18px;max-width:640px;margin:0 auto;padding:18px 20px}.bf-scrim,.bf-canvas,.bf-hud{display:none}.bf-cue span,.bf-beat-first .bf-h1 .bf-w>span,.bf-beat-first .bf-h1 .bf-w-grad,#worlds .bf-beat-first .bf-eyebrow,#worlds .bf-beat-first .bf-lede,#worlds .bf-beat-first .bf-cue{animation:none}.bf-way{transition:none}.bf-end{padding-top:30svh}}