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var(--color-line);border-radius:var(--radius-pill);font-size:var(--text-control);line-height:var(--leading-control);cursor:pointer;transition:background-color var(--duration-base) var(--ease-fade), border-color var(--duration-fast) var(--ease-fade), color var(--duration-base) var(--ease-fade), opacity var(--duration-fast) var(--ease-fade), transform var(--duration-fast) var(--ease-out)}.pill-button:hover{border-color:var(--color-text)}.pill-button:active{transform:scale(.96)}.pill-button[aria-pressed=true]{color:var(--color-on-accent);background:var(--color-accent);border-color:var(--color-accent)}.pill-button[aria-disabled=true]{opacity:var(--opacity-dim);cursor:default}.pill-button[aria-disabled=true]:hover{border-color:var(--color-line)}.pill-button[aria-disabled=true]:active{transform:none}.switch{align-items:center;gap:var(--space-3);min-height:var(--target-min);font-size:var(--text-body);text-align:left;cursor:pointer;background:0 0;border:0;padding:0;display:inline-flex}.switch-track{width:var(--switch-width);height:calc(var(--thumb-size) + 6px);background:var(--color-veil);border:var(--stroke-hairline) solid var(--color-line);border-radius:var(--radius-pill);transition:background-color var(--duration-base) var(--ease-fade), border-color var(--duration-fast) var(--ease-fade);flex-shrink:0;position:relative}.switch-thumb{width:var(--thumb-size);height:var(--thumb-size);background:var(--color-text-muted);border-radius:var(--radius-round);transition:translate var(--duration-base) var(--ease-out), background-color var(--duration-base) var(--ease-fade);position:absolute;top:50%;left:2px;translate:0 -50%}.switch:hover .switch-track{border-color:var(--color-text)}.switch[aria-checked=true] .switch-track{background:var(--color-accent);border-color:var(--color-accent)}.switch[aria-checked=true] .switch-thumb{background:var(--color-on-accent);translate:calc(var(--switch-width) - var(--thumb-size) - 6px) -50%}.switch:focus-visible{outline:none}.switch:focus-visible .switch-track{outline:var(--focus-width) solid var(--color-accent);outline-offset:var(--focus-offset)}.stop-slider{max-width:var(--measure-slider);transition:opacity var(--duration-base) var(--ease-fade)}.stop-slider[data-disabled]{opacity:var(--opacity-dim)}.stop-slider-value{margin:0 0 var(--space-2);font-size:var(--text-body)}.stop-slider input{width:100%;height:calc(var(--thumb-size) + 10px);appearance:none;cursor:pointer;background:0 0;margin:0;display:block}.stop-slider input:disabled{cursor:default}.stop-slider input::-webkit-slider-runnable-track{height:var(--stroke-bold);background:linear-gradient(to right, var(--color-accent) var(--fill), var(--color-line) var(--fill))}.stop-slider input::-moz-range-track{height:var(--stroke-bold);background:linear-gradient(to right, var(--color-accent) var(--fill), var(--color-line) var(--fill))}.stop-slider input::-webkit-slider-thumb{width:var(--thumb-size);height:var(--thumb-size);margin-top:calc((var(--stroke-bold) - var(--thumb-size)) / 2);background:var(--color-text);border-radius:var(--radius-round);appearance:none;border:0}.stop-slider input::-moz-range-thumb{width:var(--thumb-size);height:var(--thumb-size);background:var(--color-text);border-radius:var(--radius-round);border:0}.stop-slider input:focus-visible{outline:var(--focus-width) solid var(--color-accent);outline-offset:var(--focus-offset)}.stop-slider-ends{margin-top:var(--space-1);justify-content:space-between;display:flex}@media (width<=640px){.step-controls{gap:var(--space-3);margin-top:var(--space-3)}.step-answers{gap:var(--space-4)}.step-row--pairs{gap:var(--space-3) var(--space-4);grid-template-columns:1fr 1fr;align-items:end;display:grid}}@keyframes shake{12.6%{transform:translate(-10px)}26.6%{transform:translate(8px)}42.5%{transform:translate(-5px)}61.6%{transform:translate(3px)}}@media (prefers-reduced-motion:reduce){.is-shaking{animation:none}.pill:active span{transform:none}}.adjustments{gap:var(--space-3);padding:0;list-style:none;display:grid}.adjustment{align-items:center;gap:var(--space-1) var(--space-3);flex-wrap:wrap;display:flex}.adjustments-figures{align-items:baseline;gap:var(--space-3);font-family:var(--font-mono);font-size:var(--text-figure);line-height:var(--leading-none);font-variant-numeric:tabular-nums;color:var(--color-pollution);flex-wrap:wrap;margin:0;display:flex}.adjustments-figures .unit{font-size:var(--text-hud)}.adjustments-before{opacity:var(--opacity-dim)}.adjustments-arrow{color:var(--color-text-muted)}.adjustments-line{margin:var(--space-2) 0 0;color:var(--color-text-muted)}@media (width<=640px){.adjustment-saving{padding-left:calc(var(--switch-width) + var(--space-3));flex-basis:100%}}.verdict-build-up{justify-items:center;gap:var(--space-2);margin-top:var(--space-4);padding:0;list-style:none;display:grid}.verdict-build-up li{animation:rise-in var(--duration-base) var(--ease-out) backwards}.verdict-build-up li:not(:last-child){opacity:var(--opacity-soft)}.verdict-line{white-space:normal}@media (width>=641px){.verdict-line{max-width:var(--measure-step)}}.scene-title--spinning{animation:none}.verdict-line.is-hidden{opacity:0;animation:none}.verdict-figure{color:var(--color-pollution)}.verdict-small{margin-top:var(--space-2);animation:rise-in var(--duration-slow) var(--ease-out) calc(var(--stagger) * 5) backwards}.verdict-actions{justify-content:center;gap:var(--space-2);margin-top:var(--space-4);animation:rise-in var(--duration-slow) var(--ease-out) calc(var(--stagger) * 6) backwards;flex-wrap:wrap;display:flex}.verdict-cue{left:50%;bottom:var(--gutter);width:max-content;max-width:calc(100vw - 2 * var(--gutter));animation:rise-in var(--duration-slow) var(--ease-out) var(--duration-beat) backwards, cue-drift var(--duration-cue) var(--ease-glide) calc(var(--duration-beat) + var(--duration-slow)) infinite;position:fixed;translate:-50%}@keyframes cue-drift{50%{transform:translateY(.5em)}}@media (width<=640px){.verdict-cue{bottom:calc(var(--gutter) + var(--space-4) + 32px + var(--space-4))}}@media (prefers-reduced-motion:reduce){.verdict-cue{animation:rise-in var(--duration-slow) var(--ease-out) var(--duration-beat) backwards}}.stage{z-index:var(--z-canvas);position:fixed;inset:0}.overlay{z-index:var(--z-overlay);padding:var(--gutter);pointer-events:none;animation:overlay-in var(--duration-slow) var(--ease-fade) backwards;grid-template-rows:auto 1fr;display:grid;position:fixed;inset:0}.overlay>*{pointer-events:auto}.hud{z-index:var(--z-hud);min-height:var(--text-brand);justify-self:end;align-items:center;gap:var(--space-4);flex-wrap:wrap;display:flex;position:relative}.brand{top:var(--gutter);left:var(--gutter);z-index:var(--z-brand);min-height:var(--target-min);font-family:var(--font-display);font-size:var(--text-brand);font-weight:var(--weight-display);letter-spacing:var(--tracking-display);line-height:var(--leading-none);cursor:pointer;margin-top:calc((var(--text-brand) - var(--target-min)) / 2);background:0 0;border:0;padding:0;position:fixed}.brand:disabled{cursor:default}.scene-copy{align-self:end}.scene-copy--centred{width:100%;max-width:var(--measure-step);text-align:center;place-self:center}.scene-copy--centred .scene-title,.scene-copy--centred .scene-subtitle{margin-inline:auto}@media (width>=641px){.scene-copy--centred{padding-inline:var(--space-6)}}.scene-title{max-width:var(--measure-title);font-family:var(--font-display);font-size:var(--text-title);font-weight:var(--weight-display);letter-spacing:var(--tracking-display);line-height:var(--leading-display);animation:rise-in var(--duration-slow) var(--ease-out) backwards;padding-bottom:.12em}.scene-subtitle,.scene-note{animation:rise-in var(--duration-slow) var(--ease-out) backwards}.scene-subtitle{max-width:var(--measure-lead);margin-top:var(--space-3);font-size:var(--text-lead);line-height:var(--leading-lead);animation-delay:calc(var(--stagger) * 2)}.scene-note{margin-top:var(--space-4);animation-delay:calc(var(--stagger) * 4)}.scene-copy--after-gate .scene-subtitle{animation-delay:calc(.45s + var(--stagger) * 2)}.scene-copy--after-gate .scene-note{animation-delay:calc(.45s + var(--stagger) * 4)}.scene-number{margin-bottom:var(--space-3);font-family:var(--font-mono);font-size:var(--text-figure);letter-spacing:normal;font-variant-numeric:tabular-nums;font-weight:400;line-height:var(--leading-none);opacity:var(--opacity-dim);display:block}.scene-title--intro{max-width:10.5em}@media (width<=370px){.scene-title--intro{font-size:calc((100vw - 2 * var(--gutter)) / 10.5)}}.scene-title--gate{max-width:none;font-size:var(--text-hero);text-align:center;white-space:nowrap;position:fixed;top:50%;left:50%;translate:-50% -50%}.scene-title--after-gate{animation-delay:.45s}.scene-title--waiting{opacity:0;animation:none}.scene-title--return{animation-name:overlay-in;animation-timing-function:var(--ease-fade);animation-fill-mode:backwards}.scene-fade{z-index:-1;background:var(--color-bg);pointer-events:none;animation:fade-out var(--duration-base) var(--ease-fade) both;position:fixed;inset:0}.credit{right:var(--gutter);bottom:var(--gutter);z-index:var(--z-hud);transition:color var(--duration-fast) var(--ease-fade);animation:overlay-in var(--duration-slow) var(--ease-fade) backwards;text-decoration:none;position:fixed}.credit:hover,.credit:focus-visible{color:var(--color-text)}@media (width>=641px){.scene-subtitle{white-space:nowrap;max-width:none}}@media (width<=640px){.overlay{padding-bottom:calc(var(--gutter) + var(--space-4));grid-template-rows:auto 1fr auto}.hud{align-items:flex-end;gap:var(--space-1);flex-flow:column}.hud>:first-child{line-height:var(--text-brand)}.credit{bottom:var(--space-3)}}@keyframes rise-in{0%{opacity:0;transform:translateY(.4em)}}@keyframes overlay-in{0%{opacity:0}}@keyframes fade-out{to{opacity:0}}@media (prefers-reduced-motion:reduce){@keyframes rise-in{0%{opacity:0}}}