/* t1-features-b.css · written by components/tau/t1-extract.mjs from components/reference/tau/features/: the stylesheet the proposals 07, 08, 09, 10, 11, 12 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; }

/* 1. the card file */
.kf { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(24px, 4vw, 64px); align-items: center; }
.kf-side { display: flex; flex-direction: column; gap: 28px; }
.kf-list { list-style: none; margin: 0; padding: 0; border-top: .5px solid var(--line-strong); }
.kf-list li { border-bottom: .5px solid var(--line-strong); }
.kf-list button { width: 100%; display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; gap: 12px; align-items: baseline; padding: 12px 0; border: 0; background: none; font: inherit; color: var(--faded); text-align: left; cursor: pointer; transition: color 150ms linear; }
.kf-list button .nm { font: 450 clamp(20px, 1.8vw, 26px)/1.2 var(--font); letter-spacing: -0.02em; }
.kf-list button[aria-current="true"], .kf-list button:is(:hover, [data-hover]) { color: var(--ink); }
.kf-cap { min-height: 104px; }
.kf-stage { position: relative; height: min(76vh, 720px); min-height: 480px; perspective: 1300px; perspective-origin: 30% 50%; cursor: grab; touch-action: pan-x; user-select: none; -webkit-user-select: none; outline: none; overflow: hidden;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent); mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent); }
.kf-stage.is-held { cursor: grabbing; }
.kf-stage:focus-visible { box-shadow: inset 0 0 0 1.5px var(--accent); }
.kf-rig { position: absolute; left: 50%; top: 50%; transform-style: preserve-3d; }
.kf-card { position: absolute; left: 0; top: 0; padding: 8px 8px 0; border-radius: 6px; background: var(--raised); box-shadow: 0 0 0 .5px var(--line), 0 10px 30px rgb(0 0 0 / .08); backface-visibility: hidden; }
.kf-card img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; border-radius: 3px; }
.kf-card p { margin: 0; display: flex; justify-content: space-between; padding: 10px 4px 10px; font-size: 13px; line-height: 20px; }
.kf-card p span:last-child { color: var(--ink3); font-variant-numeric: tabular-nums; }
.kf-tab { position: absolute; top: -18px; left: 24px; height: 18px; padding: 0 10px; border-radius: 6px 6px 0 0; background: var(--raised); font-size: 11px; line-height: 18px; color: var(--ink3); box-shadow: 0 0 0 .5px var(--line); }
.kf-arrows { display: flex; gap: 8px; }
.kf-arrows button { width: 40px; height: 40px; border: 0; border-radius: 9999px; background: color-mix(in srgb, var(--ink) 8%, transparent); color: var(--ink); font: 400 16px/1 var(--font); cursor: pointer; }
.kf-arrows button:is(:hover, [data-hover]) { background: color-mix(in srgb, var(--ink) 14%, transparent); }
@media (max-width: 860px) { .kf { grid-template-columns: 1fr; } .kf-stage { height: 520px; } }

/* 2. the leaflets */
.lf { display: flex; flex-direction: column; }
.lf-row { display: grid; grid-template-columns: minmax(180px, 3fr) minmax(0, 9fr); gap: 24px; align-items: center; padding: 36px 0; border-top: .5px solid var(--line-strong); }
.lf-row:last-child { border-bottom: .5px solid var(--line-strong); }
.lf-meta { display: flex; flex-direction: column; gap: 6px; align-self: start; }
.lf-meta .hint2 { margin-top: 10px; font-size: 12px; color: var(--ink3); }
.lf-area { position: relative; perspective: 1600px; perspective-origin: 30% 50%; transform-style: preserve-3d; cursor: grab; touch-action: pan-y; user-select: none; -webkit-user-select: none; outline: none; }
.lf-area.is-held { cursor: grabbing; }
.lf-area:focus-visible { box-shadow: 0 0 0 1.5px var(--accent); border-radius: 4px; }
.lf-p { position: absolute; left: 0; top: 0; height: 100%; transform-origin: 0 50%; transform-style: preserve-3d; }
.lf-p > .face { position: absolute; inset: 0; padding: 6px; background: var(--raised); box-shadow: 0 0 0 .5px var(--line); }
.lf-p > .face img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top; }
.lf-p > .face i { position: absolute; inset: 0; background: #000; pointer-events: none; }
.lf-p > .lf-p { left: 100%; }
@media (max-width: 760px) { .lf-row { grid-template-columns: 1fr; } }

/* 3. the corridor */
.cor { position: relative; height: 460vh; }
.cor-pin { position: sticky; top: 0; height: 100svh; overflow: hidden; perspective: 900px; perspective-origin: 50% 46%; background: var(--page); }
.cor-world { position: absolute; left: 50%; top: 50%; transform-style: preserve-3d; }
.cor-item { position: absolute; left: 0; top: 0; transform-style: preserve-3d; will-change: transform, opacity; }
.cor-item .shot2 { padding: 8px; background: var(--raised); border-radius: 4px; box-shadow: 0 0 0 .5px var(--line), 0 30px 80px rgb(0 0 0 / .12); }
.cor-item .shot2 img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.cor-name { white-space: nowrap; }
.cor-name b { display: block; font: 450 var(--cor-size, 120px)/1 var(--font); letter-spacing: -0.035em; }
.cor-name span { display: block; margin-top: 12px; font-size: 22px; color: var(--ink3); }
.cor-floor { position: absolute; left: 0; top: 0; transform-style: preserve-3d; background-image: linear-gradient(to right, var(--line) 1px, transparent 1px), linear-gradient(to bottom, var(--line) 1px, transparent 1px); background-size: 240px 240px; }
.cor-hud { position: absolute; left: var(--m); right: var(--m); top: 88px; display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; z-index: 2; pointer-events: none; }
.cor-hud b { font-weight: 550; }
.cor-bar { position: absolute; left: var(--m); right: var(--m); top: 116px; height: 2px; background: color-mix(in srgb, var(--ink) 10%, transparent); z-index: 2; }
.cor-bar i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--ink); }

/* 4. day and night */
.dn { --m2: 0; position: relative; padding: clamp(28px, 3vw, 48px); border-radius: 20px; background: color-mix(in oklab, var(--day) calc((1 - var(--m2)) * 100%), var(--night)); color: color-mix(in oklab, var(--day-ink) calc((1 - var(--m2)) * 100%), var(--night-ink)); }
.dn .type, .dn .no, .dn .line { color: color-mix(in oklab, currentColor 62%, transparent); }
.dn-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.dn-tabs { display: flex; flex-wrap: wrap; gap: 2px; border-radius: 20px !important; padding: 4px; border-radius: 9999px; background: color-mix(in oklab, currentColor 8%, transparent); }
.dn-tabs button { height: 34px; padding: 0 14px; border: 0; border-radius: 9999px; background: none; font: 500 13px/1 var(--font); color: inherit; opacity: .6; cursor: pointer; }
.dn-tabs button[aria-pressed="true"] { opacity: 1; background: color-mix(in oklab, currentColor 14%, transparent); }
.dn-frame { position: relative; aspect-ratio: 16 / 10; max-width: 1180px; margin: 0 auto; border-radius: 8px; overflow: hidden; box-shadow: 0 0 0 .5px color-mix(in oklab, currentColor 18%, transparent), 0 30px 80px rgb(0 0 0 / .18); cursor: ew-resize; touch-action: pan-y; user-select: none; -webkit-user-select: none; outline: none; }
.dn-frame:focus-visible { box-shadow: 0 0 0 1.5px var(--accent); }
.dn-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; }
.dn-line { position: absolute; top: 0; bottom: 0; width: 0; border-left: 1px solid #fff; mix-blend-mode: difference; }
.dn-knob { position: absolute; top: 50%; width: 44px; height: 44px; margin: -22px 0 0 -22px; border-radius: 9999px; background: rgb(255 255 255 / .86); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); box-shadow: 0 4px 16px rgb(0 0 0 / .25); display: grid; place-items: center; color: #0b0b0b; font: 500 14px/1 var(--font); }
.dn-tag { position: absolute; top: 14px; padding: 3px 9px; border-radius: 6px; font-size: 12px; line-height: 18px; background: rgb(255 255 255 / .86); color: #0b0b0b; }
.dn-tag.is-night { background: rgb(13 13 13 / .8); color: #f0efec; }
.dn-foot { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-top: 24px; align-items: baseline; }
.dn-foot .line { max-width: 44em; }
.dn-read { font-variant-numeric: tabular-nums; font-size: 13px; }

/* 5. the halftone */
.ht { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(28px, 3vw, 48px) clamp(16px, 2vw, 28px); }
.ht-cell { display: flex; flex-direction: column; gap: 14px; }
.ht-plate { position: relative; aspect-ratio: 16 / 10; border-radius: 10px; overflow: hidden; background: var(--ground); cursor: none; outline: none; }
.ht-plate:focus-visible { box-shadow: 0 0 0 1.5px var(--accent); }
.ht-plate canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.ht-meta { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
@media (max-width: 760px) { .ht { grid-template-columns: 1fr; } .ht-plate { cursor: default; } }

/* 6. the camera */
.cam { position: relative; height: 560vh; }
.cam-pin { position: sticky; top: 0; height: 100svh; overflow: hidden; }
.cam-board { position: absolute; left: 0; top: 0; transform-origin: 0 0; will-change: transform; }
.cam-plate { position: absolute; }
.cam-plate .shot2 { padding: 10px; background: var(--raised); border-radius: 6px; box-shadow: 0 0 0 .5px var(--line), 0 20px 60px rgb(0 0 0 / .10); }
.cam-plate img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; border-radius: 2px; }
.cam-plate p { margin: 10px 0 0; display: flex; justify-content: space-between; font-size: 13px; }
.cam-plate p span:last-child { color: var(--ink3); }
.cam-hud { position: absolute; left: var(--m); bottom: 112px; width: min(440px, calc(100% - 2 * var(--m))); padding: 18px 20px; border-radius: 14px; background: var(--glass); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); box-shadow: 0 0 0 .5px var(--line), var(--e2); opacity: 0; display: flex; flex-direction: column; gap: 8px; }
.cam-dots { position: absolute; right: var(--m); top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 10px; }
.cam-dots i { width: 6px; height: 6px; border-radius: 9999px; background: color-mix(in srgb, var(--ink) 20%, transparent); transition: background 150ms linear; }
.cam-dots i.is-on { background: var(--ink); }
.cam-top { position: absolute; left: var(--m); right: var(--m); top: 88px; display: flex; justify-content: space-between; font-size: 13px; color: var(--ink3); pointer-events: none; }