/* t1-person.css · written by components/tau/t1-extract.mjs from components/reference/tau/person/: the stylesheet the proposals 01, 02, 03, 04, 05, 06 share */
/* Three proposals for the Tau hero, one at a time, on Tau's own tokens. */
:root {
  --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); }



/* ---------------------------------------------------------------- shared */
:root { --day: #fcfcfb; --night: #0d0d0d; --day-ink: #0b0b0b; --night-ink: #f0efec; }
.bud { padding: 120px 0 200px; }
.wrap { padding-inline: var(--m); }
.sec-head { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; padding-bottom: clamp(24px, 2.4vw, 36px); }
.sec-head h2 { margin: 0; font: 450 clamp(28px, 3.1vw, 48px)/1.06 var(--font); letter-spacing: -0.026em; }
.more { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; white-space: nowrap; color: inherit; }
.more::after { content: ""; width: 18px; height: 1px; background: currentColor; transition: width 150ms linear; }
.more:is(:hover, [data-hover])::after { width: 28px; transition-duration: 0s; }
.name { margin: 0; font: 450 clamp(22px, 2.1vw, 32px)/1.15 var(--font); letter-spacing: -0.02em; }
.type { font-size: 13px; line-height: 20px; color: var(--ink3); }
.line { margin: 0; font-size: 16px; line-height: 26px; color: var(--ink2); text-wrap: pretty; }
.no { font-size: 12px; color: var(--ink3); font-variant-numeric: tabular-nums; }
.pick { width: min(880px, calc(100% - 32px)); }
.pick-dock { flex-wrap: wrap; justify-content: center; border-radius: 22px; max-width: 100%; }
img { -webkit-user-drag: none; }

.thing { position: absolute; left: 0; top: 0; touch-action: none; cursor: grab; will-change: transform; outline: none; }
.thing.is-held { cursor: grabbing; }
.thing:focus-visible .disk { box-shadow: inset 0 0 0 1.5px var(--accent); }
/* 1. three fields */
.vn { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 4vw, 72px); align-items: center; }
.vn-text { display: flex; flex-direction: column; gap: 18px; }
.vn-text h3 { margin: 0; font: 450 clamp(30px, 3.4vw, 52px)/1.06 var(--font); letter-spacing: -0.028em; text-wrap: balance; }
.vn-stage { position: relative; height: min(72vh, 640px); min-height: 460px; touch-action: pan-y; user-select: none; -webkit-user-select: none; }
.vn-c { border-radius: 50%; display: flex; align-items: center; justify-content: center; mix-blend-mode: multiply; }
.vn-c .disk { position: absolute; inset: 0; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--line-strong); }
.vn-c span { position: absolute; font: 500 14px/1 var(--font); letter-spacing: -0.005em; white-space: nowrap; pointer-events: none; }
.vn-c.is-held .disk { box-shadow: inset 0 0 0 1.5px var(--ink); }
.vn-mid { position: absolute; left: 0; top: 0; padding: 4px 10px; border-radius: 9999px; background: var(--ink); color: var(--page); font: 550 13px/20px var(--font); pointer-events: none; transform: translate(-50%, -50%); transition: opacity 120ms linear; }
.vn-say { min-height: 78px; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .vn-c { mix-blend-mode: screen; } }
:root[data-theme="dark"] .vn-c { mix-blend-mode: screen; }
@media (max-width: 860px) { .vn { grid-template-columns: 1fr; } }

/* 2. the letter */
.lt { max-width: 26em; margin: 0; font: 450 clamp(28px, 3.6vw, 54px)/1.18 var(--font); letter-spacing: -0.025em; }
.lt .w { color: var(--faded); transition: color 150ms linear; }
.lt .w.is-on { color: var(--ink); transition-duration: 40ms; }
.lt a { color: inherit; text-decoration: underline; text-decoration-thickness: .06em; text-underline-offset: .14em; text-decoration-color: var(--line-strong); }
.lt a:is(:hover, [data-hover]) { text-decoration-color: currentColor; }
.lt-sign { margin-top: 40px; display: flex; gap: 14px; align-items: baseline; }
.lt-sign b { font: 500 15px/1 var(--font); }
.peek { position: fixed; left: 0; top: 0; z-index: 70; width: 300px; padding: 8px; border-radius: 12px; background: var(--raised); box-shadow: var(--e3); pointer-events: none; opacity: 0; transition: opacity 120ms linear; }
.peek.is-on { opacity: 1; transition-duration: 40ms; }
.peek img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; border-radius: 6px; }
.peek p { margin: 8px 4px 2px; font-size: 13px; line-height: 19px; color: var(--ink2); }
.lt-pad { height: 30vh; }

/* 3. the card */
.bc { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(24px, 4vw, 72px); align-items: center; }
.bc-stage { position: relative; height: min(70vh, 620px); min-height: 440px; perspective: 1400px; display: grid; place-items: center; touch-action: pan-y; user-select: none; -webkit-user-select: none; }
.bc-card { position: relative; width: min(560px, 86%); aspect-ratio: 85 / 55; transform-style: preserve-3d; cursor: grab; outline: none; }
.bc-card.is-held { cursor: grabbing; }
.bc-face { position: absolute; inset: 0; border-radius: 10px; padding: clamp(18px, 3vw, 32px); display: flex; flex-direction: column; justify-content: space-between; backface-visibility: hidden; -webkit-backface-visibility: hidden; overflow: hidden;
  background: #fbfaf7; color: #0b0b0b; box-shadow: 0 0 0 .5px rgb(0 0 0 / .08), 0 1px 1px rgb(0 0 0 / .05); }
.bc-face.is-back { transform: rotateY(180deg); background: #0d0d0d; color: #f0efec; box-shadow: 0 0 0 .5px rgb(255 255 255 / .16), 0 1px 1px rgb(0 0 0 / .2); }
.bc-face .gloss { position: absolute; inset: -40%; background: radial-gradient(circle at var(--gx, 30%) var(--gy, 20%), rgb(255 255 255 / .55), transparent 40%); mix-blend-mode: soft-light; pointer-events: none; }
.bc-mark { width: 30px; height: 30px; }
.bc-name { font: 500 clamp(22px, 2.6vw, 34px)/1.05 var(--font); letter-spacing: -0.025em; }
.bc-role { font-size: clamp(12px, 1.1vw, 14px); opacity: .62; margin-top: 6px; }
.bc-row { display: flex; justify-content: space-between; align-items: flex-end; font-size: clamp(11px, 1vw, 13px); }
.bc-dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; font-size: clamp(11px, 1vw, 13px); line-height: 1.4; }
.bc-dl dt { opacity: .55; }
.bc-dl dd { margin: 0; }
.bc-shadow { position: absolute; left: 50%; bottom: 12%; width: min(520px, 80%); height: 40px; transform: translateX(-50%); border-radius: 50%; background: radial-gradient(closest-side, rgb(0 0 0 / .18), transparent); filter: blur(6px); pointer-events: none; }
.bc-hint { position: absolute; left: 0; right: 0; bottom: 4%; text-align: center; }
@media (max-width: 860px) { .bc { grid-template-columns: 1fr; } }

/* 4. the conversation */
.cv { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(24px, 4vw, 72px); align-items: start; }
.cv-log { display: flex; flex-direction: column; gap: 12px; min-height: 420px; max-height: 64vh; overflow-y: auto; padding: 4px 4px 12px; scrollbar-width: none; }
.cv-msg { max-width: 34em; padding: 12px 16px; border-radius: 18px; font-size: 16px; line-height: 25px; }
.cv-msg.is-q { align-self: flex-end; background: var(--ink); color: var(--page); border-bottom-right-radius: 6px; }
.cv-msg.is-a { align-self: flex-start; background: var(--ground); color: var(--ink); border-bottom-left-radius: 6px; }
.cv-msg.is-a .w { opacity: 0; transition: opacity 120ms linear; }
.cv-msg.is-a .w.is-on { opacity: 1; transition-duration: 40ms; }
.cv-dots { display: inline-flex; gap: 4px; }
.cv-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--ink3); animation: cvd 900ms infinite; }
.cv-dots i:nth-child(2) { animation-delay: 150ms; } .cv-dots i:nth-child(3) { animation-delay: 300ms; }
@keyframes cvd { 0%, 100% { opacity: .25; } 40% { opacity: 1; } }
.cv-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.cv-chips button { height: 38px; padding: 0 16px; border: 0; border-radius: 9999px; background: color-mix(in srgb, var(--ink) 7%, transparent); font: 500 14px/1 var(--font); color: var(--ink); cursor: pointer; }
.cv-chips button:is(:hover, [data-hover]) { background: color-mix(in srgb, var(--ink) 12%, transparent); }
.cv-who { display: flex; align-items: center; gap: 12px; }
.cv-av { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--page); font: 550 14px/1 var(--font); }
@media (max-width: 860px) { .cv { grid-template-columns: 1fr; } }

/* 5. the data sheet */
.ds { position: relative; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(24px, 3vw, 56px); padding: clamp(24px, 3vw, 48px); }
.ds-crop { position: absolute; inset: 0; pointer-events: none; }
.ds-crop i { position: absolute; width: 18px; height: 18px; border-color: var(--ink); border-style: solid; border-width: 0; }
.ds-crop i:nth-child(1) { left: 0; top: 0; border-left-width: 1px; border-top-width: 1px; }
.ds-crop i:nth-child(2) { right: 0; top: 0; border-right-width: 1px; border-top-width: 1px; }
.ds-crop i:nth-child(3) { left: 0; bottom: 0; border-left-width: 1px; border-bottom-width: 1px; }
.ds-crop i:nth-child(4) { right: 0; bottom: 0; border-right-width: 1px; border-bottom-width: 1px; }
.ds-fig { position: relative; min-height: 460px; }
.ds-fig svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.ds-name { position: absolute; left: 6%; top: 34%; margin: 0; font: 450 clamp(48px, 7vw, 120px)/.92 var(--font); letter-spacing: -0.04em; }
.ds-call { position: absolute; font-size: 12px; line-height: 16px; white-space: nowrap; transition: color 150ms linear; }
.ds-call b { display: inline-grid; place-items: center; width: 18px; height: 18px; margin-right: 6px; border-radius: 50%; border: 1px solid currentColor; font: 600 10px/1 var(--font); }
.ds-call.is-on { color: var(--accent); }
.ds-tab { width: 100%; border-collapse: collapse; font-size: 14px; }
.ds-tab caption { text-align: left; padding-bottom: 12px; font: 550 13px/20px var(--font); letter-spacing: .04em; text-transform: uppercase; }
.ds-tab td { padding: 9px 0; border-top: .5px solid var(--line-strong); vertical-align: top; transition: color 150ms linear; }
.ds-tab td:first-child { width: 34%; color: var(--ink3); }
.ds-tab tr:last-child td { border-bottom: .5px solid var(--line-strong); }
.ds-tab tr.is-on td { color: var(--accent); }
.ds-tab td b { display: inline-grid; place-items: center; width: 16px; height: 16px; margin-right: 6px; border-radius: 50%; border: 1px solid currentColor; font: 600 9px/1 var(--font); }
@media (max-width: 860px) { .ds { grid-template-columns: 1fr; } .ds-fig { min-height: 360px; } }

/* 6. the principles, working */
.pr { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 4vw, 72px); align-items: stretch; }
.pr-list { list-style: none; margin: 0; padding: 0; border-top: .5px solid var(--ink); }
.pr-list li { border-bottom: .5px solid var(--line-strong); }
.pr-list button { width: 100%; display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 12px; padding: 16px 0; border: 0; background: none; text-align: left; font: inherit; color: var(--faded); cursor: pointer; transition: color 150ms linear; }
.pr-list button h3 { margin: 0; font: 450 clamp(19px, 1.7vw, 24px)/1.25 var(--font); letter-spacing: -0.018em; }
.pr-list button p { margin: 6px 0 0; font-size: 14px; line-height: 21px; color: var(--ink3); max-height: 0; overflow: hidden; opacity: 0; transition: opacity 120ms linear; }
.pr-list button[aria-current="true"] { color: var(--ink); }
.pr-list button[aria-current="true"] p { max-height: 140px; opacity: 1; transition-duration: 40ms; }
.pr-stage { position: relative; border-radius: 16px; background: var(--ground); min-height: 460px; overflow: hidden; }
.pr-demo { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; transition: opacity 120ms linear; pointer-events: none; }
.pr-demo.is-on { opacity: 1; transition-duration: 40ms; pointer-events: auto; }
.pr-cap { position: absolute; left: 20px; bottom: 16px; }
.pr-btn { height: 44px; padding: 0 20px; border: 0; border-radius: 9999px; background: var(--ink); color: var(--page); font: 500 15px/1 var(--font); }
.pr-dim { position: absolute; color: var(--accent); font: 500 11px/1 var(--font); font-variant-numeric: tabular-nums; }
.pr-dim.h { height: 0; border-top: 1px solid currentColor; }
.pr-dim.v { width: 0; border-left: 1px solid currentColor; }
.pr-dim span { position: absolute; white-space: nowrap; }
.pr-states { display: grid; grid-template-columns: repeat(5, auto); gap: 18px 14px; align-items: center; justify-items: center; }
.pr-states small { font-size: 11px; color: var(--ink3); }
.pr-states .b { height: 40px; padding: 0 18px; border-radius: 9999px; display: grid; place-items: center; font: 500 14px/1 var(--font); background: var(--ink); color: var(--page); }
.pr-dot { position: absolute; width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; }
.pr-shapes { display: flex; gap: 22px; align-items: flex-end; flex-wrap: wrap; justify-content: center; padding: 24px; }
.pr-shapes div { display: flex; flex-direction: column; align-items: center; gap: 10px; font-size: 12px; color: var(--ink3); }
.pr-shapes i { display: block; background: var(--raised); box-shadow: 0 0 0 1px var(--line-strong); }
.pr-col { display: flex; flex-direction: column; gap: 16px; width: min(420px, 86%); }
.pr-col .row { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--ink2); }
.pr-col .sw { width: 36px; height: 36px; border-radius: 6px; box-shadow: inset 0 0 0 .5px var(--line); }
.pr-words { display: grid; grid-template-columns: auto auto; gap: 14px 28px; align-items: center; font-size: 15px; }
.pr-words .no2 { color: var(--ink3); text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--ink3) 60%, transparent); }
@media (max-width: 860px) { .pr { grid-template-columns: 1fr; } .pr-states { grid-template-columns: repeat(3, auto); } }