/* Six proposals for the section with the numbers from the work, one at a time, on Tau's own tokens. */
:root, :root[data-theme] {
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --page: #fcfcfb; --ground: #f1f0ed; --raised: #ffffff; --ink: #0b0b0b; --ink2: #52514e; --ink3: #6c6b69; --faded: #97958d;
  --line: rgb(11 11 11 / 10%); --line-strong: rgb(11 11 11 / 20%);
  --glass: rgb(255 255 255 / 78%); --accent: #6250d6;
  --e1: 0 3px 6px -2px rgb(0 0 0 / .02), 0 1px 1px rgb(0 0 0 / .04);
  --e2: 0 0 0 .5px rgb(0 0 0 / .06), 0 6px 18px rgb(0 0 0 / .05), 0 3px 9px rgb(0 0 0 / .06), 0 1px 1px rgb(0 0 0 / .04);
  --e3: 0 0 0 .5px rgb(0 0 0 / .06), 0 24px 64px rgb(0 0 0 / .16), 0 8px 24px rgb(0 0 0 / .10), 0 1px 1px rgb(0 0 0 / .04);
  --m: clamp(16px, 2.8vw, 40px);
  --statement: clamp(38px, 6.4vw, 96px);
  --tau-ease: linear(0, 0.0234 0.39%, 0.0740 1.28%, 0.1420 2.54%, 0.2210 4.15%, 0.3058 6.06%, 0.3921 8.27%, 0.4764 10.75%, 0.5561 13.48%, 0.6294 16.47%, 0.6951 19.70%, 0.7528 23.17%, 0.8025 26.86%, 0.8443 30.78%, 0.8791 34.91%, 0.9074 39.26%, 0.9301 43.81%, 0.9481 48.56%, 0.9621 53.52%, 0.9728 58.67%, 0.9810 64.02%, 0.9870 69.55%, 0.9915 75.28%, 0.9948 81.19%, 0.9972 87.28%, 0.9988 93.55%, 1);
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  color-scheme: dark; --page: #0d0d0d; --ground: #161615; --raised: #1f1f1e; --ink: #f0efec; --ink2: #c3c2b7; --ink3: #8f8e89; --faded: #5f5e5a;
  --line: rgb(255 255 255 / 10%); --line-strong: rgb(255 255 255 / 20%); --glass: rgb(40 40 40 / 75%);
  --e2: 0 0 0 .5px rgb(255 255 255 / 8%), 0 6px 18px rgb(0 0 0 / .4), 0 1px 1px rgb(0 0 0 / .3);
  --e3: 0 0 0 .5px rgb(255 255 255 / 9%), 0 24px 64px rgb(0 0 0 / .6), 0 8px 24px rgb(0 0 0 / .4); } }
:root[data-theme="dark"] {
  color-scheme: dark; --page: #0d0d0d; --ground: #161615; --raised: #1f1f1e; --ink: #f0efec; --ink2: #c3c2b7; --ink3: #8f8e89; --faded: #5f5e5a;
  --line: rgb(255 255 255 / 10%); --line-strong: rgb(255 255 255 / 20%); --glass: rgb(40 40 40 / 75%);
  --e2: 0 0 0 .5px rgb(255 255 255 / 8%), 0 6px 18px rgb(0 0 0 / .4), 0 1px 1px rgb(0 0 0 / .3);
  --e3: 0 0 0 .5px rgb(255 255 255 / 9%), 0 24px 64px rgb(0 0 0 / .6), 0 8px 24px rgb(0 0 0 / .4); }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--ink); }
body { font: 400 15px/24px var(--font); letter-spacing: -0.011em; -webkit-font-smoothing: antialiased; font-feature-settings: "ss01", "cv01", "cv11"; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }

/* the bar, as on the site */
.bar { position: fixed; z-index: 50; top: calc(12px + env(safe-area-inset-top, 0px)); left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 4px; height: 48px; padding: 0 4px 0 14px;
  border-radius: 9999px; background: var(--glass); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); box-shadow: 0 0 0 .5px var(--line), var(--e2); font-size: 13px; white-space: nowrap; }
.bar b { font-weight: 550; font-size: 14px; margin-right: 12px; }
.bar span { padding: 0 10px; color: var(--ink2); }
.bar i { font-style: normal; margin-left: 8px; height: 36px; padding: 0 16px; display: flex; align-items: center; border-radius: 9999px; background: var(--ink); color: var(--page); }
@media (max-width: 720px) { .bar span { display: none; } }

/* the switcher between the proposals */
.pick { position: fixed; z-index: 60; left: 50%; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; width: min(560px, calc(100% - 32px)); }
.pick-note { margin: 0; padding: 8px 14px; border-radius: 10px; background: var(--glass); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); box-shadow: 0 0 0 .5px var(--line), var(--e2);
  font-size: 13px; line-height: 19px; color: var(--ink2); text-align: center; }
.pick-dock { display: flex; gap: 2px; padding: 4px; border-radius: 9999px; background: var(--glass); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); box-shadow: 0 0 0 .5px var(--line), var(--e2); }
.pick-dock button { height: 36px; padding: 0 14px; border: 0; border-radius: 9999px; background: none; font: 500 13px/1 var(--font); color: var(--ink3); cursor: pointer; }
.pick-dock button[aria-pressed="true"] { background: color-mix(in srgb, var(--ink) 12%, transparent); color: var(--ink); }
.pick-dock button:focus-visible { outline: 1.5px solid var(--accent); outline-offset: 2px; }

.next { padding: 120px var(--m) 200px; }
.next h2 { margin: 0 0 24px; font: 450 clamp(28px, 3.1vw, 48px)/1.06 var(--font); letter-spacing: -0.026em; }
.next p { margin: 0; max-width: 40em; color: var(--ink2); }
.small { font-size: 13px; line-height: 20px; color: var(--ink3); }



.bud { position: relative; min-height: 100vh; padding: 120px var(--m) 220px; }
.ctx { margin: 0 0 56px; padding-bottom: 20px; border-bottom: .5px solid var(--line); font-size: 13px; color: var(--ink3); }
.sec-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px 32px; margin-bottom: 36px; }
.sec-head h2 { margin: 0; font: 450 clamp(28px, 3.1vw, 48px)/1.06 var(--font); letter-spacing: -0.026em; }
.sec-head p { margin: 10px 0 0; max-width: 36em; color: var(--ink2); }
.more { font-size: 15px; color: var(--ink); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 4px; }
.small { margin: 0; font-size: 13px; line-height: 20px; color: var(--ink3); }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 18px; border: 0; border-radius: 9999px; background: var(--ink); color: var(--page); font: 500 14px/1 var(--font); cursor: pointer; white-space: nowrap; }
.btn.is-quiet { background: color-mix(in srgb, var(--ink) 8%, transparent); color: var(--ink); }
.btn:focus-visible, [tabindex]:focus-visible { outline: 1.5px solid var(--accent); outline-offset: 3px; }
.pick { -webkit-user-select: none; user-select: none; }
.pick-dock { flex-wrap: wrap; justify-content: center; border-radius: 22px; }
@media (max-width: 720px) { .pick-dock button { padding: 0 10px; } }
img { -webkit-user-drag: none; }
.src { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink3); }
.src img { width: 44px; aspect-ratio: 4 / 3; object-fit: cover; object-position: top; border-radius: 4px; box-shadow: 0 0 0 .5px var(--line); }
.src b { font-weight: 500; color: var(--ink); }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }

/* 1. the counter */
.od { position: relative; touch-action: pan-y; cursor: ew-resize; -webkit-user-select: none; user-select: none; outline: none; padding: 20px 0 0; }
.od-num { display: flex; align-items: flex-end; height: 1em; font: 450 clamp(110px, 19vw, 300px)/1 var(--font); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.od-w { position: relative; width: .6em; height: 1em; overflow: hidden; }
.od-w + .od-w { margin-left: .01em; }
.od-s { position: absolute; left: 0; right: 0; top: 0; will-change: transform; }
.od-s span { display: block; height: 1em; text-align: center; }
.od-sep { width: .22em; text-align: center; }
.od-u { margin-left: .12em; padding-bottom: .1em; font-size: .22em; letter-spacing: -0.01em; color: var(--ink3); }
.od-meta { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 24px 48px; align-items: end; margin-top: 28px; min-height: 88px; }
.od-what { margin: 0; font: 450 clamp(22px, 2.2vw, 34px)/1.2 var(--font); letter-spacing: -0.02em; animation: rise .45s var(--tau-ease); }
.od-meta .src { justify-self: end; animation: rise .45s var(--tau-ease); }
.od-rail { position: relative; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); margin-top: 40px; border-top: .5px solid var(--line-strong); }
.od-rail button { position: relative; padding: 12px 0 0; border: 0; background: none; text-align: left; font: 500 12px/16px ui-monospace, "SF Mono", Menlo, monospace; color: var(--ink3); cursor: pointer; }
.od-rail button::before { content: ""; position: absolute; left: 0; top: -1px; width: 1px; height: 9px; background: var(--ink3); }
.od-rail button[aria-current="true"] { color: var(--ink); }
.od-bar { position: absolute; top: -1.5px; left: 0; height: 2px; background: var(--accent); }
@media (max-width: 720px) { .od-meta { grid-template-columns: 1fr; } .od-meta .src { justify-self: start; } .od-rail { grid-template-columns: repeat(6, minmax(0, 1fr)); row-gap: 14px; } }

/* 2. the tape */
.tp { position: relative; margin: 0 calc(-1 * var(--m)); touch-action: pan-y; cursor: grab; -webkit-user-select: none; user-select: none; outline: none; }
.tp.is-held { cursor: grabbing; }
.tp-read { position: relative; height: 196px; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 10px; padding-bottom: 20px; text-align: center; }
.tp-v { font: 450 clamp(64px, 9vw, 140px)/1 var(--font); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.tp-v small { font-size: .28em; color: var(--ink3); letter-spacing: -0.01em; margin-left: .1em; }
.tp-what { min-height: 48px; max-width: 30em; color: var(--ink2); }
.tp-what .src { margin-top: 6px; }
.tp-view { position: relative; height: 230px; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.tp-strip { position: absolute; left: 0; top: 0; height: 100%; will-change: transform; }
.tp-band { position: absolute; left: -400px; right: -400px; top: 120px; height: 72px; background: var(--raised); box-shadow: 0 0 0 .5px var(--line-strong), 0 10px 24px rgb(0 0 0 / .06); }
.tp-t { position: absolute; top: 120px; width: 1px; background: var(--ink3); }
.tp-t.is-long { background: var(--ink); width: 1.5px; }
.tp-t span { position: absolute; top: 34px; left: 4px; font: 500 11px/1 ui-monospace, "SF Mono", Menlo, monospace; color: var(--ink2); white-space: nowrap; }
.tp-m { position: absolute; bottom: 110px; width: 1px; background: var(--accent); opacity: .55; }
.tp-m b { position: absolute; left: 50%; bottom: 100%; transform: translateX(-50%); padding: 3px 7px; border-radius: 4px; background: var(--raised); box-shadow: 0 0 0 .5px var(--line-strong); font: 500 12px/14px ui-monospace, "SF Mono", Menlo, monospace; color: var(--ink); white-space: nowrap; cursor: pointer; }
.tp-m.is-on { opacity: 1; }
.tp-m.is-on b { background: var(--accent); color: #fff; box-shadow: none; }
.tp-needle { position: absolute; z-index: 2; left: 50%; top: 96px; bottom: 0; width: 2px; margin-left: -1px; background: var(--accent); pointer-events: none; }
.tp-needle::before { content: ""; position: absolute; left: 50%; top: -2px; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%; background: var(--accent); }
.tp-foot { display: flex; justify-content: space-between; gap: 16px; margin-top: 14px; }

/* 3. the dots */
.dt { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 32px; align-items: start; }
.dt canvas { display: block; width: 100%; height: 540px; touch-action: pan-y; }
.dt-side { display: flex; flex-direction: column; gap: 14px; }
.dt-v { font: 450 clamp(56px, 6vw, 96px)/1 var(--font); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.dt-v small { font-size: .3em; color: var(--ink3); margin-left: .1em; }
.dt-what { margin: 0; color: var(--ink2); min-height: 48px; }
.dt-list { margin: 10px 0 0; padding: 0; list-style: none; border-top: .5px solid var(--line-strong); }
.dt-list button { display: flex; justify-content: space-between; gap: 12px; width: 100%; padding: 7px 0; border: 0; border-bottom: .5px solid var(--line); background: none; font: 400 13px/18px var(--font); color: var(--ink3); text-align: left; cursor: pointer; }
.dt-list button span:first-child { font-family: ui-monospace, "SF Mono", Menlo, monospace; color: var(--ink2); }
.dt-list button[aria-current="true"] { color: var(--ink); }
.dt-list button[aria-current="true"] span:first-child { color: var(--accent); }
@media (max-width: 860px) { .dt { grid-template-columns: 1fr; } .dt canvas { height: 380px; } }

/* 4. the receipt */
.rc { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(24px, 5vw, 96px); align-items: start; }
.rc-mach { position: relative; width: min(100%, 380px); justify-self: center; }
.rc-printer { position: relative; z-index: 2; height: 64px; border-radius: 14px 14px 10px 10px; background: var(--ink); box-shadow: var(--e2); }
.rc-printer::after { content: ""; position: absolute; left: 22px; right: 22px; bottom: 12px; height: 5px; border-radius: 3px; background: color-mix(in srgb, var(--page) 18%, #000); }
.rc-printer span { position: absolute; left: 22px; top: 14px; font: 500 11px/1 ui-monospace, "SF Mono", Menlo, monospace; color: color-mix(in srgb, var(--page) 60%, transparent); }
.rc-printer i { position: absolute; right: 22px; top: 14px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.rc-clip { position: relative; z-index: 1; height: 720px; margin: -14px 22px 0; overflow: hidden; touch-action: none; cursor: ns-resize; -webkit-user-select: none; user-select: none; }
.rc-paper { position: absolute; left: 0; right: 0; top: 0; padding: 28px 20px 40px; background: #fbfaf7; color: #1a1a19; font: 400 12.5px/19px ui-monospace, "SF Mono", Menlo, monospace; will-change: transform;
  box-shadow: 0 1px 0 rgb(0 0 0 / .04), 0 18px 40px rgb(0 0 0 / .12);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), 95% 100%, 90% calc(100% - 8px), 85% 100%, 80% calc(100% - 8px), 75% 100%, 70% calc(100% - 8px), 65% 100%, 60% calc(100% - 8px), 55% 100%, 50% calc(100% - 8px), 45% 100%, 40% calc(100% - 8px), 35% 100%, 30% calc(100% - 8px), 25% 100%, 20% calc(100% - 8px), 15% 100%, 10% calc(100% - 8px), 5% 100%, 0 calc(100% - 8px)); }
.rc-paper h4 { margin: 0; text-align: center; font: 600 22px/1.1 ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: .3em; }
.rc-paper .c { text-align: center; color: #6c6b69; }
.rc-paper hr { margin: 12px 0; border: 0; border-top: 1px dashed rgb(0 0 0 / .3); }
.rc-paper .g { margin-top: 10px; font-weight: 600; }
.rc-l { display: flex; gap: 6px; }
.rc-l span:nth-child(2) { flex: 1; border-bottom: 1px dotted rgb(0 0 0 / .35); transform: translateY(-5px); }
.rc-l b { font-weight: 600; }
.rc-paper .tot { font-size: 15px; font-weight: 600; }
.rc-paper svg { display: block; width: 100%; height: 46px; margin: 14px 0 6px; }
.rc-side { display: flex; flex-direction: column; gap: 16px; padding-top: 40px; }
.rc-side h3 { margin: 0; font: 450 clamp(28px, 2.8vw, 44px)/1.05 var(--font); letter-spacing: -0.03em; }
.rc-side p { margin: 0; color: var(--ink2); max-width: 30em; }
@media (max-width: 860px) { .rc { grid-template-columns: 1fr; } .rc-side { padding-top: 0; order: -1; } .rc-clip { height: 620px; } }

/* 5. the paragraph */
.pg { position: relative; }
.pg-text { margin: 0; max-width: 23em; font: 450 clamp(28px, 3.3vw, 52px)/1.32 var(--font); letter-spacing: -0.028em; color: var(--ink); transition: color .5s var(--tau-ease); }
.pg.is-bare .pg-text { color: color-mix(in srgb, var(--ink) 12%, transparent); }
.pg-n { position: relative; color: var(--accent); cursor: pointer; text-decoration: underline; text-decoration-thickness: 2px; text-decoration-color: color-mix(in srgb, var(--accent) 35%, transparent); text-underline-offset: .14em; outline: none; }
.pg-n:focus-visible { text-decoration-color: var(--accent); }
.pg.is-bare .pg-n { visibility: hidden; }
.pg-g { display: inline-block; height: .62em; margin: 0 .12em 0 .16em; vertical-align: .02em; overflow: visible; color: var(--accent); }
.pg-g * { transition: opacity .4s var(--tau-ease); }
.pg.is-bare .pg-g { opacity: 0; }
.pg-card { position: absolute; z-index: 5; left: 0; top: 0; width: 260px; padding: 10px; border-radius: 12px; background: var(--raised); box-shadow: var(--e3); pointer-events: none; opacity: 0; transform: translateY(6px); transition: opacity .2s var(--tau-ease), transform .3s var(--tau-ease); }
.pg-card.is-on { opacity: 1; transform: none; }
.pg-card img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; border-radius: 6px; }
.pg-card b { display: block; margin: 10px 4px 2px; font: 500 14px/18px var(--font); }
.pg-card p { margin: 0 4px 2px; font-size: 12px; line-height: 17px; color: var(--ink2); }
.pg-col { position: absolute; z-index: 3; left: 0; top: 0; pointer-events: none; font: 450 clamp(28px, 3.3vw, 52px)/1.32 var(--font); letter-spacing: -0.028em; color: var(--accent); white-space: nowrap; }
.pg-lab { position: absolute; z-index: 3; left: 0; top: 0; font-size: 14px; line-height: 18px; color: var(--ink2); white-space: nowrap; opacity: 0; transition: opacity .4s var(--tau-ease); }
.pg.is-bare .pg-lab { opacity: 1; }
.pg-foot { display: flex; gap: 16px; align-items: center; margin-top: 32px; }

/* 6. the cards */
.cd { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(24px, 5vw, 96px); align-items: center; }
.cd-stage { position: relative; height: 560px; }
.cd-c { position: absolute; left: 50%; top: 50%; width: var(--cw); height: var(--ch); margin: calc(var(--ch) / -2) 0 0 calc(var(--cw) / -2); display: flex; flex-direction: column; padding: 22px 24px; border-radius: 18px; touch-action: none; cursor: grab; -webkit-user-select: none; user-select: none; box-shadow: var(--e2); will-change: transform; }
.cd-c.is-held { cursor: grabbing; box-shadow: var(--e3); }
.cd-c.t0 { background: var(--raised); color: var(--ink); }
.cd-c.t1 { background: var(--ink); color: var(--page); }
.cd-c.t2 { background: var(--accent); color: #fff; }
.cd-c small { display: flex; justify-content: space-between; font: 500 11px/16px ui-monospace, "SF Mono", Menlo, monospace; opacity: .7; }
.cd-c b { margin: auto 0 0; font: 450 calc(var(--cw) * .34)/1 var(--font); letter-spacing: -0.045em; font-variant-numeric: tabular-nums; }
.cd-c b.is-long { font-size: calc(var(--cw) * .25); }
.cd-c b small { display: inline; font: 450 .3em/1 var(--font); letter-spacing: -0.01em; margin-left: .08em; opacity: .7; }
.cd-c p { margin: 12px 0 0; font-size: 15px; line-height: 1.45; opacity: .85; }
.cd-c em { margin-top: 16px; padding-top: 10px; border-top: .5px solid currentColor; font: 400 12px/16px var(--font); font-style: normal; opacity: .6; }
.cd-side { display: flex; flex-direction: column; gap: 16px; }
.cd-side h3 { margin: 0; font: 450 clamp(28px, 2.8vw, 44px)/1.05 var(--font); letter-spacing: -0.03em; }
.cd-side p { margin: 0; color: var(--ink2); max-width: 30em; }
.cd-row { display: flex; gap: 8px; align-items: center; }
.cd-count { font: 500 13px/1 ui-monospace, "SF Mono", Menlo, monospace; color: var(--ink3); margin-left: 8px; }
@media (max-width: 860px) { .cd { grid-template-columns: 1fr; } .cd-stage { height: 460px; } }