/* Dusk — home.
   The page is the wallpaper. One live surface is fixed behind everything and
   changes as you read; the type sits on it and adds nothing else. No cards,
   no panels, no stat strips — the art is the decoration.
   Built mobile-first: every breakpoint below is min-width. */

/* ---------------------------------------------------------------- tokens */

:root {
  --font: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;

  --ink: #f4f4f6;
  --ink-2: rgba(244, 244, 246, .70);
  --ink-3: rgba(244, 244, 246, .44);
  --line: rgba(244, 244, 246, .16);
  --page: #08080a;

  /* the wash that keeps text legible over a live shader */
  --scrim: linear-gradient(180deg,
      rgba(6, 6, 10, .30) 0%,
      rgba(6, 6, 10, .14) 20%,
      rgba(6, 6, 10, .34) 58%,
      rgba(6, 6, 10, .74) 100%);

  --ease: cubic-bezier(.22, .8, .28, 1);

  /* one scale, with a real gap between display and label — the in-between
     sizes are what make a page read as templated */
  --d1: clamp(2.85rem, 11.5vw, 8.25rem);
  --d2: clamp(2rem, 6.2vw, 4rem);
  --d3: clamp(1.5rem, 3.4vw, 2.1rem);
  --body: clamp(1.0625rem, 1.15vw, 1.1875rem);
  --label: .6875rem;

  --gut: 1.5rem;
  --wrap: 76rem;
}

:root[data-theme="light"] {
  --ink: #101014;
  --ink-2: rgba(16, 16, 20, .68);
  --ink-3: rgba(16, 16, 20, .44);
  --line: rgba(16, 16, 20, .16);
  --page: #fbfbfa;
  --scrim: linear-gradient(180deg,
      rgba(251, 251, 250, .70) 0%,
      rgba(251, 251, 250, .74) 30%,
      rgba(251, 251, 250, .78) 64%,
      rgba(251, 251, 250, .90) 100%);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --ink: #101014;
    --ink-2: rgba(16, 16, 20, .68);
    --ink-3: rgba(16, 16, 20, .44);
    --line: rgba(16, 16, 20, .16);
    --page: #fbfbfa;
    --scrim: linear-gradient(180deg,
        rgba(251, 251, 250, .70) 0%,
        rgba(251, 251, 250, .74) 30%,
        rgba(251, 251, 250, .78) 64%,
        rgba(251, 251, 250, .90) 100%);
  }
}

/* ----------------------------------------------------------------- base */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--body);
  line-height: 1.5;
  letter-spacing: -.011em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, p, figure, dl, dd { margin: 0; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; border-radius: 2px; }

.wrap { width: min(100% - (var(--gut) * 2), var(--wrap)); margin-inline: auto; }

.label {
  font-family: var(--mono);
  font-size: var(--label);
  font-weight: 400;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.skip {
  position: absolute; left: -9999px;
  padding: .75rem 1rem; background: var(--page); color: var(--ink); z-index: 99;
}
.skip:focus { left: 1rem; top: 1rem; }

/* --------------------------------------------------- the live wallpaper */

/* Fixed, so the whole page sits on one surface rather than a stack of
   framed previews. Behind everything, and never interactive. */
#bg {
  position: fixed; inset: 0; z-index: -2;
  background: var(--page) center/cover no-repeat;
  pointer-events: none;
  transition: filter .4s var(--ease);
}
#bg canvas { width: 100%; height: 100%; }

/* The shaders are dark. Washing one out with a pale scrim only makes grey, so
   light mode lifts and defocuses the wallpaper into a colour field instead:
   it still shows, and dark type still has something to sit on. */
:root[data-theme="light"] #bg { filter: blur(2.5rem) brightness(2.6) saturate(1.5); }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) #bg { filter: blur(2.5rem) brightness(2.6) saturate(1.5); }
}
:root[data-theme="dark"] #bg { filter: none; }

.scrim {
  position: fixed; inset: 0; z-index: -1;
  background: var(--scrim);
  pointer-events: none;
}

/* ------------------------------------------------------------------ bar */

.bar {
  position: fixed; inset: 0 0 auto 0; z-index: 20;
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem var(--gut);
  transition: background .3s var(--ease), backdrop-filter .3s var(--ease);
}
.bar.stuck {
  background: color-mix(in srgb, var(--page) 72%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
          backdrop-filter: blur(18px) saturate(160%);
}
.mark {
  display: flex; align-items: center; gap: .5rem;
  font-weight: 700; letter-spacing: -.03em; font-size: 1rem;
}
.mark img { width: 1.375rem; height: 1.375rem; border-radius: .3125rem; }
.bar-end { margin-left: auto; display: flex; align-items: center; gap: .75rem; }

.ghost {
  width: 2rem; height: 2rem; border: 0; border-radius: 50%;
  background: transparent; color: var(--ink-2);
  display: grid; place-items: center; cursor: pointer;
  transition: color .2s, background .2s;
}
.ghost:hover { color: var(--ink); background: color-mix(in srgb, var(--ink) 10%, transparent); }
.ghost svg { width: 1.0625rem; height: 1.0625rem; }
:root[data-theme="light"] .ghost .moon { display: none; }
:root[data-theme="dark"] .ghost .sun { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .ghost .moon { display: none; }
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ghost .sun { display: none; }
}

/* Apple's artwork, unmodified; the lockup follows the theme so the badge
   always sits on the contrast it was drawn for. */
.mas { display: inline-block; line-height: 0; border-radius: .5rem; }
.mas img { height: 2.25rem; width: auto; }
.mas-lg img { height: 2.75rem; }
.mas .blk { display: none; }
.mas .wht { display: block; }
:root[data-theme="light"] .mas .blk { display: block; }
:root[data-theme="light"] .mas .wht { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .mas .blk { display: block; }
  :root:not([data-theme="dark"]) .mas .wht { display: none; }
}
.mas { transition: transform .2s var(--ease), opacity .2s; }
.mas:hover { transform: translateY(-2px); opacity: .9; }
.bar .mas img { height: 1.875rem; }

/* -------------------------------------------------------------- opening */

.open {
  min-height: 100svh;
  display: grid; align-content: end;
  padding-block: 7rem 3rem;
}
.open h1, .open .say, .open .now, .open .fine { text-shadow: 0 1px 24px rgba(0, 0, 0, .55); }
:root[data-theme="light"] .open h1,
:root[data-theme="light"] .open .say,
:root[data-theme="light"] .open .now,
:root[data-theme="light"] .open .fine { text-shadow: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .open h1,
  :root:not([data-theme="dark"]) .open .say,
  :root:not([data-theme="dark"]) .open .now,
  :root:not([data-theme="dark"]) .open .fine { text-shadow: none; }
}

.open h1 {
  font-size: var(--d1);
  font-weight: 800;
  line-height: .92;
  letter-spacing: -.05em;
  max-width: 14ch;
  text-wrap: balance;
}
.open h1 em { font-style: normal; color: var(--ink-3); }

.open .say {
  margin-top: 1.5rem;
  max-width: 40ch;
  color: var(--ink-2);
}
.open .go {
  margin-top: 2.25rem;
  display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.25rem;
}
.open .fine { margin-top: 1.25rem; font-family: var(--mono); font-size: var(--label); color: var(--ink-3); }
.open .fine a { border-bottom: 1px solid var(--line); }

.now {
  display: inline-flex; align-items: center; gap: .5rem;
  margin-bottom: 1.75rem;
  font-family: var(--mono); font-size: var(--label); letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-3);
}
.now i {
  width: .375rem; height: .375rem; border-radius: 50%;
  background: currentColor; color: #4ade80;
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1 } 50% { opacity: .25 } }
@media (prefers-reduced-motion: reduce) { .now i { animation: none } }
.now b { color: var(--ink-2); font-weight: 500; letter-spacing: .16em; }

/* -------------------------------------------------------------- section */

.sec { padding-block: clamp(5rem, 14vh, 9rem); }
.sec > .wrap > .label { display: block; margin-bottom: 1.25rem; }
.sec h2 {
  font-size: var(--d2);
  font-weight: 700; line-height: 1.02; letter-spacing: -.042em;
  max-width: 18ch; text-wrap: balance;
}
.sec .lede { margin-top: 1rem; max-width: 46ch; color: var(--ink-2); }

/* -------------------------------------------------------------- library */

/* The names are the interface. Bring one into the middle of the screen and
   the desktop behind you becomes it — which is the whole product, stated
   without a single screenshot. */
.names { margin-top: 2.5rem; border-top: 1px solid var(--line); }
.names li { list-style: none; }
.names button {
  width: 100%; padding: .625rem 0; border: 0; background: none;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: baseline; gap: .875rem;
  text-align: left; cursor: pointer;
  transition: padding-left .35s var(--ease);
}
.names .n {
  font-family: var(--mono); font-size: .625rem; color: var(--ink-3);
  flex: none; width: 1.5rem;
}
.names .t {
  font-size: clamp(1.5rem, 6.5vw, 3rem);
  font-weight: 700; letter-spacing: -.04em; line-height: 1.06;
  color: transparent;
  -webkit-text-stroke: 1px var(--ink-3);
  transition: color .3s var(--ease), -webkit-text-stroke-color .3s var(--ease);
}
.names .k {
  margin-left: auto; font-family: var(--mono); font-size: .625rem;
  letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3);
  opacity: 0; transition: opacity .3s var(--ease);
  flex: none; align-self: center;
}
.names [aria-current="true"] { padding-left: .75rem; }
.names [aria-current="true"] .t { color: var(--ink); -webkit-text-stroke-color: transparent; }
.names [aria-current="true"] .k { opacity: 1; }
@media (hover: hover) {
  .names button:hover .t { color: var(--ink); -webkit-text-stroke-color: transparent; }
}

/* ------------------------------------------------------------------ app */

.appwrap { margin-top: 2.5rem; min-width: 0; }

/* The app section runs the full measure — it is the proof, so it should not
   be squeezed into a column beside its own caption. */
.say-wide { max-width: 34rem; }
.say-wide h2 { max-width: 14ch; }

.app {
  border-radius: .875rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .12);
  background: #0b0b0e;
  box-shadow: 0 2.5rem 5rem -2rem rgba(0, 0, 0, .75);
  /* the replica is a piece of macOS: it stays dark in either theme */
  color: #f4f4f6;
}
.app-bar {
  position: relative;
  display: flex; align-items: center; gap: .375rem;
  padding: .625rem .75rem;
  background: rgba(255, 255, 255, .045);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.tl { width: .625rem; height: .625rem; border-radius: 50%; }
.tl.r { background: #ff5f57 } .tl.y { background: #febc2e } .tl.g { background: #28c840 }
.app-title {
  position: absolute; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: .375rem;
  font-size: .75rem; font-weight: 700; letter-spacing: -.02em;
}
.app-title img { width: .875rem; height: .875rem; border-radius: .1875rem; }

.app-body { position: relative; min-width: 0; }
.app-stage {
  aspect-ratio: 4 / 3;
  background: #101015 center/cover no-repeat;
}
.app-stage canvas { width: 100%; height: 100%; }

/* The rail floats over the canvas only — never over the panel, which is what
   made the old mobile layout collide. */
.rail {
  position: absolute; left: .625rem; top: 50%; transform: translateY(-50%); z-index: 2;
  display: flex; flex-direction: column; gap: .5rem;
  padding: .5rem .375rem; border-radius: 1.5rem;
  background: rgba(22, 22, 28, .5);
  border: 1px solid rgba(255, 255, 255, .13);
  -webkit-backdrop-filter: saturate(180%) blur(1.25rem);
          backdrop-filter: saturate(180%) blur(1.25rem);
}
.rail button {
  width: 1.75rem; height: 1.75rem; border: 0; border-radius: 50%;
  background: transparent; color: rgba(255, 255, 255, .72);
  display: grid; place-items: center; cursor: pointer;
  transition: color .16s, background .16s, transform .2s var(--ease);
}
.rail button:hover { color: #fff; background: rgba(255, 255, 255, .12); transform: scale(1.08); }
.rail svg { width: .8125rem; height: .8125rem; }
.rail .ic-play { display: none }
.app.is-paused .rail .ic-play { display: block }
.app.is-paused .rail .ic-pause { display: none }

/* Stacked under the canvas on small screens; docked beside it on large. */
.panel {
  padding: 1rem;
  border-top: 1px solid rgba(255, 255, 255, .08);
  background: rgba(18, 18, 24, .92);
  display: flex; flex-direction: column; gap: .75rem;
}
.panel-cat { font-family: var(--mono); font-size: .5625rem; letter-spacing: .22em; color: rgba(255,255,255,.42); }
.panel-name {
  font-size: 1.125rem; font-weight: 700; letter-spacing: -.035em; color: #fff;
  margin-top: -.375rem; transition: opacity .2s ease;
}
.panel-name.swap { opacity: 0 }

.panel-apply {
  width: 100%; padding: .5rem 0; border: 0; border-radius: 999px; cursor: pointer;
  font-size: .75rem; font-weight: 700; background: #fff; color: #101014;
  transition: transform .16s var(--ease);
}
.panel-apply:hover { transform: translateY(-1px) }
.panel-apply.is-active {
  background: transparent; color: rgba(255, 255, 255, .8);
  border: 1px solid rgba(255, 255, 255, .2); cursor: default; transform: none;
}
.panel-apply.is-active::before {
  content: "●"; color: #4ade80; font-size: .5rem; margin-right: .375rem; vertical-align: middle;
}

.tabs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: .125rem;
  padding: .125rem; border-radius: .5rem; background: rgba(255, 255, 255, .07);
}
.tabs button {
  border: 0; border-radius: .375rem; padding: .375rem 0; cursor: pointer;
  font-size: .6875rem; font-weight: 600; color: rgba(255, 255, 255, .66);
  background: transparent; transition: background .16s, color .16s;
}
.tabs button[aria-selected="true"] { background: #3b82f6; color: #fff }

.tab-body { display: flex; flex-direction: column; gap: .8125rem; }
/* display:flex would otherwise beat the hidden attribute */
.tab-body[hidden] { display: none; }
.tab-body .row {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  font-size: .6875rem; color: rgba(255, 255, 255, .72);
}
.swatch-set { display: flex; gap: .3125rem; }
.swatch-set button {
  width: 1.25rem; height: 1.25rem; border-radius: 50%; padding: 0; cursor: pointer;
  background: var(--s, transparent); border: 2px solid transparent;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .3);
  transition: transform .18s var(--ease), box-shadow .18s;
}
.swatch-set button:hover { transform: scale(1.16) }
.swatch-set button[aria-pressed="true"] { box-shadow: 0 0 0 2px #fff; transform: scale(1.1) }
.swatch-set .reset { background: conic-gradient(#e56b3d, #9eff1a, #36bab8, #7c6bff, #e56b3d); position: relative }
.swatch-set .reset::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: #1b1b22 }

.slider { display: flex; flex-direction: column; gap: .375rem; }
.slider span {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: .6875rem; color: rgba(255, 255, 255, .72);
}
.slider b { font-family: var(--mono); font-size: .625rem; font-weight: 400; color: rgba(255, 255, 255, .45); }

.app input[type=range] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: .1875rem; border-radius: .125rem; outline: none;
  background: rgba(255, 255, 255, .22);
}
.app input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 1.125rem; height: 1.125rem; border-radius: 50%; background: #fff; cursor: pointer;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .6);
  transition: transform .15s var(--ease);
}
.app input[type=range]:active::-webkit-slider-thumb { transform: scale(1.2) }
.app input[type=range]::-moz-range-thumb {
  width: 1.125rem; height: 1.125rem; border: 0; border-radius: 50%; background: #fff; cursor: pointer;
}

.panel-empty { font-size: .6875rem; color: rgba(255, 255, 255, .42); line-height: 1.5 }
.panel-reset {
  align-self: flex-start; padding: 0; border: 0; background: transparent; cursor: pointer;
  font-size: .6875rem; color: rgba(255, 255, 255, .42); transition: color .16s;
}
.panel-reset:hover { color: rgba(255, 255, 255, .8) }

.shelf {
  display: flex; gap: .5625rem;
  min-width: 0;
  padding: .75rem .8125rem;
  overflow-x: auto;
  background: rgba(255, 255, 255, .035);
  border-top: 1px solid rgba(255, 255, 255, .07);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}
.shelf::-webkit-scrollbar { height: .3125rem }
.shelf::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, .16); border-radius: .1875rem }

.thumb {
  flex: none; width: 5.25rem; cursor: pointer;
  background: none; border: 0; padding: 0;
  transition: transform .22s var(--ease);
}
.thumb:hover { transform: translateY(-3px) }
.thumb .pic {
  display: block;              /* a span ignores width/height without this */
  position: relative;
  width: 5.25rem; height: 3.25rem; border-radius: .4375rem; overflow: hidden;
  background: #111 center/cover no-repeat;
  border: 1px solid rgba(255, 255, 255, .14);
  transition: border-color .2s, box-shadow .2s;
}
.thumb[aria-pressed="true"] .pic { border-color: #fff; box-shadow: 0 0 0 1px #fff }
.thumb .cap {
  display: block; margin-top: .3125rem;
  font-size: .5625rem; font-weight: 500; color: rgba(255, 255, 255, .55);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.thumb[aria-pressed="true"] .cap { color: #fff; font-weight: 700 }
.thumb .lock, .thumb .new { position: absolute; font-weight: 800; line-height: 1 }
.thumb .lock {
  right: .25rem; top: .25rem; width: .9375rem; height: .9375rem; border-radius: 50%;
  background: rgba(0, 0, 0, .6); color: #fff;
  display: grid; place-items: center; font-size: .5rem;
}
.thumb .new {
  left: .25rem; top: .25rem; font-size: .4375rem; letter-spacing: .06em;
  background: #fff; color: #000; padding: 2px 4px; border-radius: 999px;
}
.thumb.locked .pic { opacity: .62 }

.app-note { margin-top: 1rem; font-family: var(--mono); font-size: var(--label); color: var(--ink-3); }

/* ----------------------------------------------------------------- plus */

.plus-buy { min-width: 0; }
.price { font-size: 1rem; color: var(--ink-2); }
.price b { font-size: clamp(2.5rem, 6vw, 3.5rem); font-weight: 700; letter-spacing: -.045em; color: var(--ink); margin-right: .5rem; }

.plus-list { margin: 1.75rem 0 0; padding: 0; border-top: 1px solid var(--line); }
.plus-list li {
  list-style: none; padding: .8125rem 0;
  border-bottom: 1px solid var(--line); color: var(--ink-2);
}

.buy {
  display: inline-block; margin-top: 1.75rem;
  padding: .9375rem 1.75rem; border-radius: 999px;
  background: var(--ink); color: var(--page);
  font-weight: 700; letter-spacing: -.02em;
  transition: transform .2s var(--ease), opacity .2s;
}
.buy:hover { transform: translateY(-2px); opacity: .9; }

.plus-note {
  margin-top: 1.25rem; max-width: 52ch;
  font-size: .8125rem; line-height: 1.6; color: var(--ink-3);
}

/* ---------------------------------------------------------------- facts */

/* A read, not a scoreboard. Numbers set at body size on purpose — blowing
   them up is the tell of a template. */
.facts { margin-top: 2.5rem; border-top: 1px solid var(--line); }
.facts div {
  display: grid; gap: .125rem .5rem;
  padding: 1.125rem 0; border-bottom: 1px solid var(--line);
}
.facts dt { font-weight: 700; letter-spacing: -.02em; }
.facts dd { color: var(--ink-2); }

/* ------------------------------------------------------------------ end */

.end { padding-block: clamp(5rem, 14vh, 9rem) 0; }
.end h2 { font-size: var(--d2); font-weight: 700; letter-spacing: -.045em; line-height: 1; }
.end .go { margin-top: 2rem; display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.25rem; }
.end .alt { color: var(--ink-2); font-size: .9375rem; }
.end .alt a { border-bottom: 1px solid var(--line); }
.end .alt a:hover { color: var(--ink); }

footer {
  margin-top: clamp(4rem, 10vh, 7rem);
  padding-block: 1.75rem 2.5rem;
  border-top: 1px solid var(--line);
  font-size: .8125rem; color: var(--ink-3);
}
.foot-top {
  display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; align-items: center;
}
.foot-top .mark { font-size: .9375rem; color: var(--ink-2); }
footer nav { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-left: auto; }
footer a:hover { color: var(--ink); }

/* Attribution, kept quiet but legible. Apple's marketing guidelines ask for
   the trademark line wherever their badge appears. */
.legal {
  margin-top: 1.75rem; padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  display: grid; gap: .625rem;
  font-size: .75rem; line-height: 1.55; color: var(--ink-3);
  max-width: 68ch;
}

/* ---------------------------------------------------------- reveal */

[data-r] { opacity: 0; transform: translateY(1rem); }
[data-r].in { opacity: 1; transform: none; transition: opacity .7s var(--ease), transform .7s var(--ease); }
@media (prefers-reduced-motion: reduce) {
  [data-r], [data-r].in { opacity: 1; transform: none; transition: none; }
}

/* ----------------------------------------------------------- 40rem up */

@media (min-width: 40rem) {
  :root { --gut: 2rem; }
  .facts div { grid-template-columns: 14rem 1fr; align-items: baseline; }
  .thumb, .thumb .pic { width: 6rem; }
  .thumb .pic { height: 3.75rem; }
}

/* ----------------------------------------------------------- 60rem up */

@media (min-width: 60rem) {
  :root { --gut: 2.5rem; }

  .open { align-content: center; }
  .open h1 { max-width: 15ch; }

  /* two columns: the section says what it is on the left, and the thing
     itself happens on the right */
  .split { display: grid; grid-template-columns: 20rem minmax(0, 1fr); gap: 4rem; align-items: start; }
  .split .say { position: sticky; top: 6rem; }
  .sec .lede { margin-top: 1rem; }
  .names { margin-top: 0; }
  .split .appwrap { margin-top: 0; }

  /* the panel docks beside the canvas, the way the real window lays out */
  .app-body { display: grid; grid-template-columns: minmax(0, 1fr) 16rem; }
  .app-stage { aspect-ratio: auto; min-height: 27rem; }
  .panel {
    border-top: 0; border-left: 1px solid rgba(255, 255, 255, .08);
    background: rgba(18, 18, 24, .72);
    -webkit-backdrop-filter: blur(1.25rem) saturate(180%);
            backdrop-filter: blur(1.25rem) saturate(180%);
  }
  .panel-reset { margin-top: auto; }
  .rail { left: 1.125rem; }
}