/* Everything that hides is gated on .motion. */
.scale{--board:clamp(216px,43svh,360px)}

.pill{display:flex;width:fit-content;align-items:center;min-height:28px;margin-bottom:24px;font-size:14px;line-height:var(--lh-small);letter-spacing:var(--ls-small);text-decoration:none}
.pill-tag{margin-right:8px;font-weight:500;color:var(--accent)}
.pill-tile{position:relative;display:inline-block;flex:none;width:12px;height:12px;margin-right:8px;background:var(--tile-pale)}
.pill-tile i{position:absolute;width:3px;height:3px;background:var(--accent)}
.pill .arr{margin-left:.3em}
.hero h1{color:var(--text-2)}
.hero h1 em{display:block;font-style:normal;color:var(--ink);text-wrap:balance}
.hero .lede{max-width:600px;margin-top:24px;font-size:var(--fs-lead);line-height:var(--lh-lead);letter-spacing:var(--ls-lead);color:var(--text-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* The sample score */
.sc-top{display:flex;gap:16px;height:20px;font-size:14px;line-height:20px;color:var(--text-2)}
.run-again{margin-left:auto;padding:0;border:0;background:none;font:14px var(--font);color:var(--accent);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.sc-score{display:flex;align-items:baseline;gap:12px;height:80px;margin-top:8px}
.sc-score b{font-size:var(--fs-score);line-height:1;font-weight:500;font-variant-numeric:tabular-nums;white-space:nowrap}
.sc-score>span{color:var(--text-2)}
.sc-body{display:grid;grid-template-columns:var(--board) minmax(0,1fr);gap:32px;margin-top:16px}
.board-slot{width:var(--board);height:var(--board)}
.legend{display:grid;grid-auto-rows:calc((var(--board) - 3*var(--cell-gap))/4);row-gap:var(--cell-gap);align-items:center;font-size:15px;line-height:var(--lh-small)}
.legend span{display:flex;gap:12px;align-items:center}
.legend .cell{flex:none;width:16px}
.sc-miss{margin-top:24px;padding:16px 20px;border-radius:var(--r-2);background:var(--white);box-shadow:var(--ring);font-size:15px;line-height:var(--lh-small)}
.sc-miss .k{font-weight:500}
.sc-miss .t{margin-top:4px}
.sc-miss .t b{font-weight:600}

/* The stage */
.stage{display:none}
.motion .stage{display:block}
.stage-view{position:relative;height:100%}
.disc{position:absolute;inset:0;width:100%;height:100%}
.disc-first{--d:min(calc(50vw - 64px),calc(100svh - 184px));position:absolute;left:50%;top:72px;width:var(--d);height:var(--d);margin-left:calc(var(--d)/-2);border-radius:50%;background:var(--tile-pale)}
.disc-ring{position:absolute;inset:-16px;border:var(--hair);border-radius:50%}
.motion .disc-first.is-bare{background:none}
.motion .disc-first.is-gone{visibility:hidden}
.probe{position:absolute;inset:0;pointer-events:none}
.motion .probe:not(.is-on){visibility:hidden}
.probe-x,.probe-y,.probe-box,.probe-tag{position:absolute;left:0;top:0}
.probe-x{width:1px;height:100%;background:var(--rule)}
.probe-y{width:100%;height:1px;background:var(--rule)}
.probe-box{width:var(--t);height:var(--t);box-shadow:0 0 0 1px var(--paper),0 0 0 2px var(--ink)}
.probe-tag{padding:2px 6px;border-radius:var(--r-1);background:var(--white);box-shadow:var(--ring);font-size:14px;white-space:nowrap}
.probe-tag:empty{display:none}
.scan{position:absolute;left:0;top:0;z-index:1;width:2px;background:var(--ink);pointer-events:none}
.motion .scan:not(.is-on){visibility:hidden}
.caption,.stage-label{position:absolute;left:32px;right:32px;bottom:24px;margin:0;font-size:14px;line-height:var(--lh-small);color:var(--text-2)}
.caption-n{font:500 28px/1 var(--mono);color:var(--ink);font-variant-numeric:tabular-nums}
.motion .stage-label:not(.is-on){opacity:0}
.stage-view>.cells{position:absolute;transform-origin:0 0}

/* The sample sits over the stage: the pointer passes through its empty slot */
.motion .sample{pointer-events:none}
.motion .sc-top,.motion .sc-score,.motion .legend,.motion .sc-miss,.motion .run-again{pointer-events:auto}
.motion .scale[data-phase="disc"] .sample{visibility:hidden}
.motion .scale[data-phase="run"] .legend,
.motion .scale[data-phase="run"] .sc-miss{opacity:0}
.motion .scale[data-phase="run"] .is-legend .legend{opacity:1}
.motion .scale.is-out .sample{visibility:hidden}
.motion .cell.is-marked{outline:2px solid var(--ink);outline-offset:2px}
.leader{width:1px;background:var(--ink);transform-origin:top}
.cell-tag{z-index:2;padding:2px 6px;border-radius:var(--r-1);background:var(--ink);color:var(--white);font-size:14px;line-height:var(--lh-small);white-space:nowrap;transform:translateY(-100%)}
.cell-tag.is-on{display:block;position:absolute;pointer-events:none}
.cell-tag.is-end{transform:translate(-100%,-100%)}
.motion .cell-tag:not(.is-on){visibility:hidden}
.cell-cursor{left:0;top:0;border-radius:var(--r-1);box-shadow:0 0 0 2px var(--ink)}
.motion .cell-cursor:not(.is-on){visibility:hidden}
@keyframes pill-walk{0%{transform:none}25%{transform:translateX(9px)}50%{transform:translate(9px,9px)}75%{transform:translateY(9px)}}
.pill.is-live .pill-tile i{animation:pill-walk 4.3s steps(1) infinite}

/* The field */
.proof>div{border-top:var(--strong)}
.proof b{font-size:var(--fs-stat);line-height:var(--lh-stat);letter-spacing:var(--ls-stat);font-weight:500;font-variant-numeric:tabular-nums}
.proof>div>span{max-width:30em;font-size:var(--fs-lead);line-height:var(--lh-lead);letter-spacing:var(--ls-lead);color:var(--text-2)}
.still{display:block;width:100%;max-width:320px;aspect-ratio:1}
.field-dock{display:none}

@media (min-width:1100px){
.scale{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.hero{grid-column:1;grid-row:1;min-height:100svh;padding:calc(var(--header) + 40px) var(--margin) var(--s-7) max(var(--margin),calc((100vw - var(--frame))/2))}
.sample{grid-column:2;grid-row:1;position:relative;z-index:var(--z-over);padding:calc(var(--header) + 40px) var(--margin) var(--s-7);border-left:var(--strong)}
.field{grid-column:1 / -1;grid-row:2}
.motion .field{grid-column:1}
.motion .stage{grid-column:2;grid-row:1 / span 2;position:sticky;top:0;height:100svh;align-self:start;z-index:var(--z-stage);overflow:clip;border-left:var(--strong)}
.motion .sample{border-left:0}
.proof{padding-inline:max(var(--margin),calc((100vw - var(--frame))/2)) var(--margin)}
.proof>div{display:grid;grid-template-columns:1fr 1fr;gap:var(--gutter);align-items:center;padding-block:var(--s-7)}
.motion .proof>div{display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:var(--s-4);min-height:65svh;padding-block:0}
.still{grid-column:2}
}

@media (max-width:1099px){
.scale{--board:300px;--band:420px;display:flex;flex-direction:column;gap:var(--s-4);padding-inline:var(--margin)}
.hero{display:contents}
.pill{order:1;margin-top:calc(var(--header) + 16px);margin-bottom:0}
.hero h1{order:2}
.stage{order:3}
.hero-actions{order:4;margin-top:0}
.hero .lede{order:5;margin-top:0}
.sample{order:6;position:relative;padding:var(--s-6) 0 0}
.sample>.run-again{position:absolute;top:12px;right:0}
.field{order:7}
.motion .stage{position:relative;height:var(--band);margin-inline:calc(-1*var(--margin));border-block:var(--strong);overflow:clip}
.disc-first{--d:min(calc(100vw - 64px),calc(var(--band) - 80px));top:8px}
.disc-ring{inset:-6px}
.motion .probe-x,.motion .probe-y{display:none}
.caption,.stage-label{left:16px;right:16px;bottom:8px}
.sc-body{gap:var(--s-4)}
.legend{grid-auto-rows:auto;row-gap:8px}
.board-slot.is-moved{display:none}
.board-slot.is-moved+.legend{grid-column:1 / -1}
.stage-side{position:absolute;left:calc(32px + var(--board));right:16px;top:50%;transform:translateY(-50%)}
.stage-side .sc-top{display:block;height:auto}
.stage-side .sc-top span{display:block}
.stage-side .sc-score{display:block;height:auto;margin-top:var(--s-2)}
.stage-side .sc-score>span{display:block;font-size:14px}
.motion .field-dock{display:block;position:sticky;top:var(--header);z-index:var(--z-over);height:44svh;margin-inline:calc(-1*var(--margin));background:var(--paper);border-block:var(--strong)}
.proof{padding-inline:0}
.proof>div{display:flex;flex-direction:column;gap:var(--s-4);padding-block:var(--s-6)}
.motion .proof>div{min-height:70svh;justify-content:flex-end;padding-top:0;padding-bottom:var(--s-7)}
}

@media (max-width:767px){
.scale{--board:216px;--band:300px}
.hero-actions .btn{padding-inline:16px}
.caption{font-size:12.5px;line-height:1.3}
.caption-n{display:block}
}

/* "4 / 16" stays on one line beside the board */
@media (max-width:375px){.stage-side b{font-size:34px}}
@media (max-width:343px){.scale{--board:176px}}

/* Final */
.final{position:relative;overflow:clip;min-height:max(100svh,820px);padding-top:var(--s-10);padding-bottom:calc(clamp(220px,34svh,340px) + var(--s-8));background:var(--accent);color:var(--white)}
.final-in{position:relative;z-index:1}
.final h2{max-width:9.4em;font-size:var(--fs-final);line-height:var(--lh-final);letter-spacing:var(--ls-final)}
.final p{max-width:34em;margin-top:var(--s-5);font-size:var(--fs-lead)}
.btn-invert{margin-top:var(--s-6)}
.final-disc{position:absolute;left:0;right:0;bottom:0;height:clamp(220px,34svh,340px);overflow:clip;background:var(--pat-deep) repeat 50% 0}
.final-disc canvas{position:absolute;inset:0;width:100%;height:100%}
.final-disc canvas.is-drawn{background:var(--accent)}
.slot{position:absolute;left:50%;top:32px;width:40px;height:40px;border:1px dashed var(--white)}
.slot-cursor{position:absolute;left:3px;top:3px;width:25%;height:25%;background:var(--white)}
.slot-label{position:absolute;left:calc(50% + 52px);top:42px;font-size:14px;line-height:20px}
.final-probe{display:none;position:absolute;left:0;top:0;border:1px solid var(--white)}
.final.is-live .final-probe{display:block}
.final-fly i{position:absolute;background:var(--white);visibility:hidden}
.final-fly.is-in i{visibility:visible}
@keyframes slot-blink{50%{opacity:0}}
.final.is-live .slot-cursor{animation:slot-blink 1.05s step-end infinite}

@media (max-width:767px){
.final{padding-top:var(--s-8);padding-bottom:calc(220px + var(--s-8))}
.final-disc{height:220px}
}