/* Six proposals for the section on what the studio makes, 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-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; }

/* 1. the columns */
.co { position: relative; height: 560px; border-top: .5px solid var(--line-strong); border-bottom: .5px solid var(--line-strong); -webkit-user-select: none; user-select: none; }
.co-c { position: absolute; top: 0; bottom: 0; left: 0; container-type: size; overflow: hidden; cursor: pointer; }
.co-c:nth-child(even) { background: color-mix(in srgb, var(--ink) 2.5%, transparent); }
.co-in { position: absolute; inset: 0; display: flex; flex-direction: column; gap: 14px; padding: 22px clamp(14px, 1.6vw, 24px); }
.co-top { display: flex; justify-content: space-between; gap: 8px; font: 500 11px/16px ui-monospace, "SF Mono", Menlo, monospace; color: var(--ink3); white-space: nowrap; }
.co-c h3 { margin: 0; font: 450 clamp(20px, 11.5cqi, 46px)/1 var(--font); letter-spacing: -0.035em; white-space: nowrap; }
.co-c p { display: none; margin: 0; max-width: 30em; color: var(--ink2); animation: co-in .5s var(--tau-ease); }
.co-ex { display: none; margin-top: auto; gap: 10px; animation: co-in .5s var(--tau-ease); }
.co-ex figure { margin: 0; min-width: 0; }
.co-ex img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: top; border-radius: 6px; box-shadow: var(--e1), 0 0 0 .5px var(--line); }
.co-ex figcaption { margin-top: 6px; font-size: 12px; line-height: 16px; color: var(--ink3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.co-n { display: none; font-size: 13px; color: var(--ink3); margin-top: auto; }
@keyframes co-in { from { opacity: 0; transform: translateY(8px); } }
@container (min-width: 300px) { .co-c p { display: block; } }
@container (min-width: 470px) { .co-ex { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@container (max-width: 469px) { .co-n { display: block; } }
@container (max-width: 150px) { .co-c h3 { writing-mode: vertical-rl; transform: rotate(180deg); margin-top: auto; } .co-n { display: none; } .co-top b { display: none; } }
.co-d { position: absolute; z-index: 3; top: 0; bottom: 0; left: 0; width: 24px; margin-left: -12px; cursor: col-resize; touch-action: none; }
.co-d::before { content: ""; position: absolute; left: 12px; top: 0; bottom: 0; width: 1px; background: var(--line-strong); transition: background-color .2s; }
.co-d i { position: absolute; left: 6px; top: 50%; width: 13px; height: 44px; margin-top: -22px; border-radius: 9999px; background: var(--raised); box-shadow: 0 0 0 .5px var(--line-strong), var(--e1); transition: background-color .2s, box-shadow .2s; }
.co-d:is(:hover, [data-hover])::before, .co-d.is-held::before { background: var(--accent); }
.co-d:is(:hover, [data-hover]) i, .co-d.is-held i { background: var(--accent); box-shadow: none; }
.co.is-v .co-d { top: 0; left: 0; right: 0; bottom: auto; width: auto; height: 24px; margin: -12px 0 0; cursor: row-resize; }
.co.is-v .co-d::before { left: 0; right: 0; top: 12px; bottom: auto; width: auto; height: 1px; }
.co.is-v .co-d i { left: 50%; top: 6px; width: 44px; height: 13px; margin: 0 0 0 -22px; }
.co.is-v .co-c { left: 0; right: 0; }
.co.is-v .co-c p { display: none; } .co.is-v .co-ex { display: none; } .co.is-v .co-n { display: block; }
@container (min-height: 190px) { .co.is-v .co-c p { display: block; } .co.is-v .co-n { display: none; } }
@container (min-height: 330px) { .co.is-v .co-ex { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.co.is-v .co-c h3 { writing-mode: horizontal-tb; transform: none; margin-top: 0; }
.co-foot { display: flex; justify-content: space-between; gap: 16px; margin-top: 14px; }

/* 2. the dial */
.di { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(24px, 5vw, 96px); align-items: center; }
.di-wheel { position: relative; width: min(100%, 460px); aspect-ratio: 1; justify-self: center; touch-action: none; cursor: grab; -webkit-user-select: none; user-select: none; }
.di-wheel.is-held { cursor: grabbing; }
.di-wheel svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.di-face { fill: var(--raised); filter: drop-shadow(0 18px 36px rgb(0 0 0 / .10)) drop-shadow(0 2px 4px rgb(0 0 0 / .06)); }
.di-ring { fill: none; stroke: var(--line-strong); }
.di-tick { stroke: var(--ink3); stroke-width: 1; }
.di-tick.is-long { stroke: var(--ink); stroke-width: 1.5; }
.di-lab { font: 500 15px/1 var(--font); fill: var(--ink2); letter-spacing: .02em; cursor: pointer; }
.di-lab.is-on { fill: var(--ink); }
.di-dot { fill: var(--ink3); }
.di-dot.is-on { fill: var(--accent); }
.di-mark { fill: var(--accent); }
.di-mid { position: absolute; left: 50%; top: 50%; width: 46%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; display: grid; place-content: center; text-align: center; gap: 6px; background: var(--page); box-shadow: inset 0 0 0 .5px var(--line-strong), inset 0 2px 8px rgb(0 0 0 / .05); pointer-events: none; }
.di-mid b { font: 450 clamp(40px, 4vw, 64px)/1 var(--font); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.di-mid span { font-size: 12px; color: var(--ink3); }
.di-panels { position: relative; min-height: 440px; }
.di-p { position: absolute; inset: 0; display: flex; flex-direction: column; gap: 18px; opacity: 0; transform: translateY(12px); transition: opacity .35s var(--tau-ease), transform .45s var(--tau-ease); pointer-events: none; }
.di-p.is-on { opacity: 1; transform: none; pointer-events: auto; }
.di-p h3 { margin: 0; font: 450 clamp(40px, 4.6vw, 76px)/1 var(--font); letter-spacing: -0.04em; }
.di-p > p { margin: 0; max-width: 34em; color: var(--ink2); }
.di-ex { display: grid; grid-template-columns: repeat(var(--n), minmax(0, 1fr)); gap: 12px; margin-top: 8px; }
.di-ex figure { margin: 0; }
.di-ex img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: top; border-radius: 6px; box-shadow: var(--e1), 0 0 0 .5px var(--line); }
.di-ex figcaption { margin-top: 6px; font-size: 12px; line-height: 16px; color: var(--ink3); }
@media (max-width: 860px) { .di { grid-template-columns: 1fr; } .di-wheel { width: min(100%, 340px); } .di-panels { min-height: 520px; } }

/* 3. the sentence */
.st-line { margin: 0; font: 450 clamp(36px, 6.4vw, 104px)/1.18 var(--font); letter-spacing: -0.04em; }
.st-reel { position: relative; display: inline-block; vertical-align: top; height: 1.18em; margin: 0 .04em; touch-action: none; cursor: ns-resize; -webkit-user-select: none; user-select: none; outline: none; }
.st-win { position: absolute; left: -.12em; right: -.12em; top: -.42em; height: 2.02em; overflow: hidden; -webkit-mask-image: linear-gradient(transparent, rgb(0 0 0 / .22) 12%, #000 24%, #000 76%, rgb(0 0 0 / .22) 88%, transparent); mask-image: linear-gradient(transparent, rgb(0 0 0 / .22) 12%, #000 24%, #000 76%, rgb(0 0 0 / .22) 88%, transparent); }
.st-list { position: absolute; left: .12em; top: 0; will-change: transform; }
.st-list span { display: block; height: 1.18em; white-space: nowrap; color: var(--accent); }
.st-reel::after { content: ""; position: absolute; left: 0; right: 0; bottom: .1em; height: 2px; background: color-mix(in srgb, var(--accent) 40%, transparent); }
.st-reel:focus-visible::after { background: var(--accent); }
.st-body { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(24px, 4vw, 72px); margin-top: 40px; align-items: start; }
.st-body > div:first-child { display: flex; flex-direction: column; gap: 14px; }
.st-body p { margin: 0; color: var(--ink2); max-width: 32em; }
.st-pic { position: relative; aspect-ratio: 16 / 10; border-radius: 10px; overflow: hidden; background: var(--ground); box-shadow: var(--e2); }
.st-pic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; opacity: 0; transition: opacity .35s var(--tau-ease); }
.st-pic img.is-on { opacity: 1; }
.st-cap { display: flex; justify-content: space-between; gap: 16px; margin-top: 10px; font-size: 13px; color: var(--ink3); }
.st-cap b { font-weight: 500; color: var(--ink); }
@media (max-width: 860px) { .st-body { grid-template-columns: 1fr; } }

/* 4. the shelf */
.sh-scroll { overflow-x: auto; overflow-y: hidden; margin: 0 calc(-1 * var(--m)); padding: 0 var(--m); scrollbar-width: none; }
.sh-scroll::-webkit-scrollbar { display: none; }
.sh { position: relative; height: 470px; perspective: 4200px; perspective-origin: 50% 20%; }
.sh-board { position: absolute; left: 0; right: 0; bottom: 0; height: 14px; background: var(--ground); box-shadow: inset 0 1px 0 var(--line-strong), 0 10px 22px rgb(0 0 0 / .07); border-radius: 2px; }
.sh-bk { position: absolute; bottom: 14px; left: 0; transform-style: preserve-3d; cursor: pointer; touch-action: pan-x; -webkit-user-select: none; user-select: none; outline: none; }
.sh-f { position: absolute; left: 0; top: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.sh-spine { display: flex; flex-direction: column; justify-content: space-between; align-items: center; padding: 14px 0 12px; border-radius: 2px; box-shadow: inset 2px 0 0 rgb(255 255 255 / .18), inset -2px 0 0 rgb(0 0 0 / .08); }
.sh-spine b { writing-mode: vertical-rl; transform: rotate(180deg); font: 500 14px/1 var(--font); letter-spacing: .01em; white-space: nowrap; }
.sh-spine small { font: 500 9px/1 ui-monospace, "SF Mono", Menlo, monospace; opacity: .7; }
.sh-cover { display: flex; flex-direction: column; padding: 12px; gap: 10px; border-radius: 2px 4px 4px 2px; background: var(--raised); color: var(--ink); box-shadow: inset 0 0 0 .5px var(--line-strong); }
.sh-cover img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: top; border-radius: 2px; flex: 1; min-height: 0; }
.sh-cover b { font: 500 13px/16px var(--font); }
.sh-top { background: color-mix(in srgb, var(--ink) 10%, var(--page)); }
.sh-back { background: color-mix(in srgb, var(--ink) 16%, var(--page)); }
.sh-bk:focus-visible .sh-spine { outline: 1.5px solid var(--accent); outline-offset: 2px; }
.sh-end { position: absolute; bottom: 14px; left: 0; width: 22px; height: 150px; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 10px; border-radius: 3px 3px 0 0; background: var(--ink); color: var(--page); cursor: pointer; }
.sh-end span { writing-mode: vertical-rl; transform: rotate(180deg); font: 500 11px/1 ui-monospace, "SF Mono", Menlo, monospace; white-space: nowrap; }
.sh-end.is-on { background: var(--accent); }
.sh-info { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(24px, 4vw, 72px); min-height: 150px; margin-top: 28px; }
.sh-info h3 { margin: 0; font: 450 clamp(30px, 3.2vw, 52px)/1.04 var(--font); letter-spacing: -0.032em; }
.sh-info p { margin: 0 0 12px; color: var(--ink2); max-width: 34em; }
.sh-info > div { animation: co-in .45s var(--tau-ease); }
@media (max-width: 860px) { .sh-info { grid-template-columns: 1fr; } }

/* 5. the mixer */
.mx { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(24px, 4vw, 72px); align-items: start; }
.mx-desk { display: flex; gap: 6px; padding: 18px 14px 16px; border-radius: 14px; background: color-mix(in srgb, var(--ink) 4%, var(--page)); box-shadow: inset 0 0 0 .5px var(--line-strong); }
.mx-s { display: flex; flex-direction: column; align-items: center; gap: 12px; width: 92px; }
.mx-s > span { font: 500 11px/14px ui-monospace, "SF Mono", Menlo, monospace; color: var(--ink3); }
.mx-s > b { height: 34px; display: flex; align-items: center; text-align: center; font: 500 13px/16px var(--font); }
.mx-track { position: relative; width: 44px; height: 260px; touch-action: none; cursor: pointer; }
.mx-track::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 4px; margin-left: -2px; border-radius: 2px; background: color-mix(in srgb, var(--ink) 12%, transparent); }
.mx-fill { position: absolute; left: 50%; bottom: 0; width: 4px; margin-left: -2px; border-radius: 2px; background: var(--accent); }
.mx-tk { position: absolute; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, var(--ink3) 0 8px, transparent 8px calc(100% - 8px), var(--ink3) calc(100% - 8px)); opacity: .5; }
.mx-cap { position: absolute; left: 50%; width: 40px; height: 22px; margin: -11px 0 0 -20px; border-radius: 5px; background: var(--raised); box-shadow: 0 0 0 .5px var(--line-strong), 0 4px 10px rgb(0 0 0 / .14), inset 0 -2px 0 rgb(0 0 0 / .06); cursor: grab; }
.mx-cap::after { content: ""; position: absolute; left: 7px; right: 7px; top: 10px; height: 2px; border-radius: 1px; background: var(--ink); }
.mx-track.is-held .mx-cap { cursor: grabbing; }
.mx-s output { font: 500 13px/1 ui-monospace, "SF Mono", Menlo, monospace; color: var(--ink2); font-variant-numeric: tabular-nums; }
.mx-desk-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 12px; }
.mx-read { margin: 0 0 18px; font: 450 clamp(20px, 1.8vw, 28px)/1.3 var(--font); letter-spacing: -0.02em; min-height: 2.6em; }
.mx-read b { font-weight: 500; }
.mx-grid { position: relative; }
.mx-t { position: absolute; left: 0; top: 0; transform-origin: 50% 40%; will-change: transform, opacity; }
.mx-t img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: top; border-radius: 6px; box-shadow: var(--e1), 0 0 0 .5px var(--line); background: var(--ground); }
.mx-t.is-top img { box-shadow: 0 0 0 2px var(--accent), var(--e2); }
.mx-t b { display: block; margin-top: 7px; font: 500 12px/16px var(--font); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mx-t small { display: block; font-size: 11px; line-height: 15px; color: var(--ink3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mx-t i { display: block; height: 2px; margin-top: 6px; border-radius: 1px; background: var(--accent); transform-origin: left; }
@media (max-width: 860px) { .mx { grid-template-columns: 1fr; } .mx-desk { justify-content: space-between; } .mx-s { width: auto; flex: 1; } .mx-track { height: 170px; } }

/* 6. the box */
.bx { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: clamp(24px, 4vw, 72px); align-items: center; }
.bx-scene { position: relative; height: 640px; perspective: 1600px; perspective-origin: 50% 40%; touch-action: none; cursor: grab; -webkit-user-select: none; user-select: none; }
.bx-scene.is-held { cursor: grabbing; }
.bx-world { position: absolute; left: 50%; top: 46%; width: 0; height: 0; transform-style: preserve-3d; }
.bx-base, .bx-wall { position: absolute; width: var(--s); height: var(--s); transform-style: preserve-3d; }
.bx-base { left: calc(var(--s) / -2); top: calc(var(--s) / -2); }
.bx-f { position: absolute; inset: 0; display: flex; flex-direction: column; padding: 16px; gap: 8px; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 2px; }
.bx-in { background: var(--raised); color: var(--ink); box-shadow: inset 0 0 0 .5px var(--line-strong); }
.bx-out { background: color-mix(in srgb, var(--ink) 6%, var(--page)); color: var(--ink); transform: rotateY(180deg); box-shadow: inset 0 0 0 .5px var(--line-strong); justify-content: space-between; }
.bx-f small { font: 500 11px/14px ui-monospace, "SF Mono", Menlo, monospace; color: var(--ink3); }
.bx-f b { font: 500 calc(var(--s) * .085)/1.15 var(--font); letter-spacing: -0.01em; }
.bx-f p { margin: 0; font-size: calc(var(--s) * .066); line-height: 1.42; color: var(--ink2); }
.bx-out b { font: 450 calc(var(--s) * .13)/1 var(--font); letter-spacing: -0.03em; }
.bx-base .bx-in { background: var(--ink); color: var(--page); justify-content: space-between; box-shadow: none; }
.bx-base .bx-in small { color: color-mix(in srgb, var(--page) 60%, transparent); }
.bx-base .bx-in b { font: 450 calc(var(--s) * .125)/1.04 var(--font); letter-spacing: -0.03em; }
.bx-shadow { position: absolute; left: calc(var(--s) * -.75); top: calc(var(--s) * -.75); width: calc(var(--s) * 1.5); height: calc(var(--s) * 1.5); border-radius: 50%; background: radial-gradient(closest-side, rgb(0 0 0 / .16), transparent); transform: translateZ(-2px); }
.bx-side { display: flex; flex-direction: column; gap: 16px; }
.bx-side h3 { margin: 0; font: 450 clamp(28px, 2.8vw, 44px)/1.05 var(--font); letter-spacing: -0.03em; }
.bx-side p { margin: 0; color: var(--ink2); }
@media (max-width: 860px) { .bx { grid-template-columns: 1fr; } .bx-scene { height: 460px; } }