:root {
  color-scheme: dark;
  --oba-slate:      #000000;
  --oba-chalk:      #EBEBEB;
  --oba-ochre:      #E8A400;
  --oba-ochre-deep: #A67200;
  --oba-steel:      #9A9A9A;
  --oba-surface-1:  #252526;
  --oba-surface-2:  #2D2D2D;
  --oba-border:     #3C3C3C;

  --ws-ground:  #000000;
  --ws-panel:   #1E1E1E;
  --ws-raise:   #252526;
  --ws-high:    #2D2D2D;
  --ws-line:    #3C3C3C;
  --ws-ink:     #EBEBEB;
  --ws-dim:     #9A9A9A;
  --ws-ochre:   #E8A400;

  --ac-panel:   var(--ws-panel);
  --ac-raise:   var(--ws-raise);
  --ac-high:    var(--ws-high);
  --ac-line:    var(--ws-line);
  --ac-ink:     var(--ws-ink);
  --ac-dim:     var(--ws-dim);
  --ac-veil:    #000000;
  --ac-tab:     var(--ws-ground);
  --ac-ground:  var(--ws-ground);
  --ac-grid:    var(--ws-raise);
  --ac-grid-2:  var(--ws-panel);
  --ac-canvas-veil: #000000;

  --oba-sans: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system,
    "Helvetica Neue", Arial, sans-serif;
  --oba-display: "Segoe UI Variable Display", "Segoe UI", system-ui,
    -apple-system, "Helvetica Neue", Arial, sans-serif;
  --oba-ui: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial,
    sans-serif;
  --oba-mono: "Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;

  --gutter: clamp(20px, 4vw, 56px);
  --ob-w: clamp(320px, 27vw, 400px);
  --bar-h: 62px;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --oba-slate:     #E9E1D0;
    --oba-chalk:     #1A1A1A;
    --oba-steel:     #6B6B6B;
    --oba-surface-1: #FFFFFF;
    --oba-surface-2: #E0D6C2;
    --oba-border:    #D6CCB6;
    --ac-panel:      #E4E4E4;
    --ac-raise:      #F8F8F8;
    --ac-high:       #FFFFFF;
    --ac-line:       #CBCBCB;
    --ac-ink:        #222222;
    --ac-dim:        #5C5C5C;
    --ac-veil:       #F8F8F8;
    --ac-tab:        #FFFFFF;
    --ac-ground:     #FFFFFF;
    --ac-grid:       #DADADA;
    --ac-grid-2:     #ECECEC;
    --ac-canvas-veil: #FFFFFF;
  }
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  background: var(--oba-slate);
  color: var(--oba-chalk);
  font: 16px/1.55 var(--oba-sans);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
}

:focus-visible {
  outline: none;
}

a,
button,
input,
label {
  -webkit-tap-highlight-color: transparent;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page > main {
  flex: 1 0 auto;
}

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
  height: var(--bar-h);
  padding: 0 calc(24px + max(0px, (100% - 1504px) / 2));
  background: var(--oba-slate);
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--oba-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.mk-ink { stop-color: var(--oba-chalk); }
.mk-win { stop-color: var(--ws-ink); }

.mark-glyph {
  color: var(--oba-chalk);
  flex: none;
  width: 28px;
  height: 28px;
}

.top-end {
  display: flex;
  align-items: center;
  margin-left: auto;
}

@media (min-width: 1600px) {
  :root {
    --side: 270px;
  }

  .front .acad {
    width: min(1480px, calc(100% - 2 * var(--side)));
  }

  .top {
    display: grid;
    column-gap: 0;
    grid-template-columns:
      minmax(0, 1fr) min(1480px, calc(100% - 2 * var(--side))) minmax(0, 1fr);
    padding-left: 12px;
    padding-right: 12px;
  }

  .top .mark {
    grid-column: 1;
    justify-self: end;
    margin-right: 32px;
  }

  .top .top-end {
    grid-column: 3;
    justify-self: start;
    margin-left: 32px;
  }
}


.cta,
.ghost,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 8px;
  font: 600 15px/1 var(--oba-sans);
  text-decoration: none;
  cursor: pointer;
}

.cta {
  background: var(--oba-ochre);
  border: 1px solid var(--oba-ochre);
  color: #000000;
}

.cta:hover {
  background: var(--oba-ochre-deep);
  border-color: var(--oba-ochre-deep);
}

.ghost,
button {
  background: var(--oba-surface-1);
  border: 1px solid var(--oba-border);
  color: var(--oba-chalk);
}

.ghost:hover,
button:hover {
  background: var(--oba-surface-2);
}

.go {
  background: var(--oba-chalk);
  border: 1px solid var(--oba-chalk);
  color: var(--oba-slate);
}

.go:hover {
  background: var(--oba-steel);
  border-color: var(--oba-steel);
}

.top .cta {
  min-height: 34px;
  padding: 0 14px;
  font-size: 14px;
  white-space: nowrap;
}

@media (max-width: 360px) {
  .top,
  .top-end {
    gap: 14px;
  }

  .top .cta {
    padding: 0 10px;
  }
}

.hero {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(56px, 9vw, 120px) var(--gutter) clamp(40px, 6vw, 72px);
  text-align: center;
}

.hero h1 {
  margin: 0 0 18px;
  font-family: var(--oba-display);
  font-weight: 300;
  font-size: clamp(38px, 6vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.hero .lede {
  max-width: 700px;
  margin: 0 auto 28px;
  color: var(--oba-steel);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.5;
  text-wrap: balance;
}

.hero .controls {
  justify-content: center;
}

.story {
  position: relative;
}

.stage {
  isolation: isolate;
  container-type: inline-size;
  display: grid;
  grid-template-rows: auto auto;
  justify-items: center;
  padding: 0 0 12px;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.glyphs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.ic {
  display: block;
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.25;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.seek {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  width: 50%;
  min-height: 0;
  padding: 0 clamp(10px, 2vw, 24px);
  background: transparent;
  border: 0;
  border-radius: 0;
  color: var(--ws-ink);
}

.seek[hidden] {
  display: none;
}

.seek-back {
  left: 0;
  justify-content: flex-start;
}

.seek-on {
  right: 0;
  justify-content: flex-end;
}

.ic-seek {
  width: 44px;
  height: 44px;
  padding: 12px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ws-ground) 60%, transparent);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.seek:hover .ic-seek,
.seek:focus-visible .ic-seek {
  opacity: 1;
}

.seek:hover,
.seek:focus-visible {
  background: transparent;
}


.acad {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: 34px auto minmax(0, 1fr) 26px;
  width: min(1480px, calc(100% - 24px));
  height: min(calc(100vh - var(--bar-h) - 12px), 860px);
  overflow: hidden;
  background: var(--ac-panel);
  border: 1px solid var(--ac-line);
  border-radius: 8px;
  color: var(--ac-ink);
  font: 12px/1.35 var(--oba-ui);
}

.acad-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 6px 0 12px;
  background: var(--ac-panel);
  border-bottom: 1px solid var(--ac-line);
  color: var(--ac-dim);
}

.qat,
.acad-win {
  display: flex;
  align-items: center;
  gap: 12px;
}

.acad-win {
  justify-self: end;
  gap: 4px;
}

.acad-win .ic {
  width: 28px;
  height: 22px;
  padding: 4px 7px;
}

.acad-title {
  color: var(--ac-dim);
  white-space: nowrap;
}

.acad-title b {
  margin-right: 8px;
  color: var(--ac-ink);
  font-weight: 600;
}

.acad-ribbon {
  background: var(--ac-raise);
  border-bottom: 1px solid var(--ac-line);
}

.rb-tabs {
  display: flex;
  gap: 2px;
  padding: 0 8px;
  background: var(--ac-panel);
  overflow: hidden;
  white-space: nowrap;
}

.rb-tabs span {
  padding: 5px 10px 6px;
  color: var(--ac-dim);
}

.rb-tabs .on {
  background: var(--ac-raise);
  color: var(--ac-ink);
}

.rb-tabs .rb-oba {
  position: relative;
  z-index: 5;
  color: var(--ac-ink);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--ws-ochre);
}

.rb-panels {
  display: flex;
  height: 82px;
  overflow: hidden;
}

.rb-panel {
  display: flex;
  flex: none;
  flex-direction: column;
  justify-content: space-between;
  padding: 6px 10px 3px;
  border-right: 1px solid var(--ac-line);
}

.rb-name {
  color: var(--ac-dim);
  font-size: 11px;
  text-align: center;
}

.rb-row {
  display: flex;
  align-items: flex-start;
  gap: 4px;
}

.rb-col {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 2px;
}

.rb-grid {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 3px 12px;
}

.tool {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--ac-ink);
  white-space: nowrap;
}

.tool b {
  font-weight: 400;
  font-size: 11.5px;
}

.tool.big {
  flex-direction: column;
  gap: 3px;
  width: 54px;
  text-align: center;
}

.tool.big b {
  font-size: 11px;
  line-height: 1.2;
  white-space: normal;
}

.ic-big {
  width: 26px;
  height: 26px;
  stroke-width: 1;
}

.drop {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 104px;
  padding: 1px 6px;
  background: var(--ac-panel);
  border: 1px solid var(--ac-line);
  font-size: 11px;
}

.sw {
  width: 9px;
  height: 9px;
  background: var(--ac-ink);
}

.acad-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--ob-w);
  min-height: 0;
}

.acad-draw {
  display: grid;
  grid-template-rows: 28px minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
}

.acad-files {
  display: flex;
  background: var(--ac-panel);
  border-bottom: 1px solid var(--ac-line);
  overflow: hidden;
  white-space: nowrap;
}

.acad-files > span {
  display: flex;
  align-items: center;
  padding: 0 12px;
  color: var(--ac-dim);
  border-right: 1px solid var(--ac-line);
}

.acad-files .f-pdf {
  background: var(--ac-tab);
  color: var(--ac-ink);
}

.f-plus {
  border-right: 0;
}

.acad-canvas {
  position: relative;
  min-height: 0;
  overflow: hidden;
  background-color: var(--ac-ground);
  background-image:
    linear-gradient(var(--ac-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--ac-grid) 1px, transparent 1px),
    linear-gradient(var(--ac-grid-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--ac-grid-2) 1px, transparent 1px);
  background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
  background-position: center;
}

.acad-canvas .plan-box {
  position: absolute;
  top: 18px;
  left: calc(50% - 30px);
  width: calc(100% - 96px);
  height: calc(100% - 92px);
  overflow: hidden;
  container-type: size;
  transform: translateX(-50%);
  will-change: transform;
}

.cam-box {
  position: absolute;
  inset: 0;
  width: min(100cqw, 160cqh);
  height: min(100cqh, 62.5cqw);
  margin: auto;
  transform-origin: 50% 50%;
}

.acad-canvas .plan {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--ac-ink);
}

.acad-canvas .ucs {
  position: absolute;
  left: 16px;
  bottom: 64px;
  width: 40px;
  height: 40px;
  color: var(--ac-ink);
  opacity: 0.6;
}

.acad-canvas .viewcube {
  position: absolute;
  top: 12px;
  right: 40px;
  width: 58px;
  height: 58px;
  color: var(--ac-ink);
  opacity: 0.5;
}

.acad-canvas .navbar {
  position: absolute;
  top: 86px;
  right: 10px;
  width: 20px;
  height: 126px;
  color: var(--ac-ink);
  opacity: 0.45;
}

.acad-cmd {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 10px;
  display: grid;
  gap: 3px;
}

.cmd-said {
  color: var(--ac-dim);
  font-size: 11.5px;
}

.cmd-line {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 24px;
  padding: 0 8px;
  background: var(--ac-raise);
  border: 1px solid var(--ac-line);
  color: var(--ac-dim);
}

.cmd-icons {
  display: flex;
  gap: 6px;
}

.cmd-icons .ic {
  width: 12px;
  height: 12px;
}

.acad-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  background: var(--ac-panel);
  border-top: 1px solid var(--ac-line);
  color: var(--ac-dim);
  overflow: hidden;
  white-space: nowrap;
}

.lay-tabs,
.toggles {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lay-tabs .on {
  color: var(--ac-ink);
}

.toggles b {
  color: var(--ac-ink);
  font-weight: 600;
  font-size: 11px;
}

.toggles .ic,
.lay-tabs .ic {
  width: 13px;
  height: 13px;
}

.plan .lay-grid {
  color: var(--ac-dim);
  opacity: 0.55;
}

.plan .lay-hatch,
.plan .lay-column,
.plan .lay-dim,
.plan .lay-note {
  color: var(--ac-dim);
}

.plan .lay-fabric {
  color: var(--ac-ink);
}

.plan text {
  font-family: var(--oba-ui);
}

.plan .ex,
.plan .ex-chain-words {
  color: var(--ac-ink);
}

.plan .fx {
  display: none;
}

.plan .fx-glow,
.plan .fx-amber {
  stroke: var(--ws-ochre);
}

.plan .fx-tip {
  stroke: var(--ac-ink);
}

.ob {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--ws-panel);
  border-left: 1px solid var(--ws-line);
  font-size: 12.5px;
}

.ob-bar {
  display: flex;
  flex: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--ws-raise);
  border-bottom: 1px solid var(--ws-line);
}

.ob-mark {
  color: var(--ws-ink);
  flex: none;
  width: 16px;
  height: 16px;
}

.ob-name {
  font-size: 13px;
  font-weight: 500;
}

.ob-app {
  margin-left: auto;
  padding: 0 8px;
  background: var(--ws-high);
  border: 1px solid var(--ws-line);
  border-radius: 999px;
  font-size: 11.5px;
}

.ob-log {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 0;
  overflow: hidden;
  padding: 0 12px 6px;
}

.ob-log > * {
  flex: none;
  margin-top: 12px;
  overflow: hidden;
}

.ob-row {
  --h: 110px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.ob-row.me {
  align-items: flex-end;
}

.s-u1 {
  --h: 140px;
}

.s-r3 {
  --h: 340px;
}

.ob-bubble {
  max-width: 88%;
  margin: 0;
  padding: 8px 12px;
  background: var(--ws-raise);
  border-radius: 4px;
  line-height: 1.45;
}

.me .ob-bubble {
  background: var(--ws-high);
  border: 1px solid var(--ws-line);
}

.ob-files {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-bottom: 6px;
}

.ob-chip {
  padding: 3px 11px;
  background: var(--ws-raise);
  border: 1px solid var(--ws-line);
  border-radius: 999px;
  font-size: 11px;
}

.ob-chip i {
  margin-left: 4px;
  color: var(--ws-dim);
  font-style: normal;
}

.ob-undo {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-top: 6px;
  border: 1px solid var(--ws-line);
  border-radius: 50%;
  color: var(--ws-dim);
}

.ic-undo {
  width: 11px;
  height: 11px;
  stroke-width: 1.7;
}

.ob-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 88%;
  margin-top: 8px;
}

.ob-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 8px;
  padding: 7px 10px;
  background: var(--ws-raise);
  border: 1px solid var(--ws-line);
  border-radius: 4px;
  font-size: 12px;
  line-height: 1.4;
}

.ob-option i {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  background: var(--ws-high);
  border-radius: 50%;
  font: normal 11px/1 var(--oba-mono);
}

.ob-option em {
  padding: 0 7px;
  border: 1px solid var(--ws-line);
  border-radius: 999px;
  color: var(--ws-dim);
  font-style: normal;
  font-size: 10.5px;
  line-height: 17px;
  white-space: nowrap;
}

.ob-option.o1 {
  background: var(--ws-high);
  border-color: var(--ws-ochre);
}

.ob-foot {
  flex: none;
  padding: 8px 12px 10px;
}

.ob-composer {
  position: relative;
  display: flex;
  min-width: 0;
  align-items: center;
  min-height: 36px;
  padding: 4px 4px 4px 12px;
  background: var(--ws-high);
  border: 1px solid var(--ws-line);
  border-radius: 4px;
  color: var(--ws-dim);
}

.ph {
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ph-pick {
  display: none;
  white-space: normal;
  opacity: 0;
}

.ob-tools {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.ob-tool {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
}

.ob-go {
  position: relative;
  width: 26px;
  height: 26px;
}

.ob-send,
.ob-stop {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--ws-line);
  border-radius: 50%;
  color: var(--ws-ink);
}

.ob-stop {
  border-color: var(--ws-ochre);
  color: var(--ws-ochre);
  opacity: 0;
}

.ob-status {
  position: relative;
  height: 16px;
  margin-top: 8px;
  color: var(--ws-dim);
  font-size: 11.5px;
}

.st {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.st-busy {
  opacity: 0;
}

.st-mark {
  width: 16px;
  height: 16px;
}

.glide {
  background-color: var(--ws-dim);
  background-image: linear-gradient(100deg, transparent 42%, var(--ws-ochre) 50%, transparent 58%);
  background-size: 320% 100%;
  background-repeat: no-repeat;
  background-position: 0 0;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@keyframes oba-sweep {
  from {
    background-position: 100% 0;
  }
  to {
    background-position: 0 0;
  }
}

.mk-head,
.mk-tail {
  fill: none;
  stroke: var(--ws-ochre);
  stroke-linecap: round;
  opacity: 0;
}

.mk-head {
  stroke-width: 7;
  stroke-dasharray: 0.05 0.95;
}

.mk-tail {
  stroke-width: 4.5;
  stroke-dasharray: 0.14 0.86;
}

.st .mk-head {
  opacity: 1;
}

.st .mk-tail {
  opacity: 0.5;
}

@keyframes oba-mk-run {
  from {
    stroke-dashoffset: 0.05;
  }
  to {
    stroke-dashoffset: -0.95;
  }
}

@keyframes oba-mk-run-tail {
  from {
    stroke-dashoffset: 0.14;
  }
  to {
    stroke-dashoffset: -0.86;
  }
}

.top .mark {
  gap: 0;
  font-size: 28px;
}

.lockup {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.word {
  display: inline-flex;
  align-items: baseline;
}

.w-o,
.w-ba {
  display: inline-block;
}

.w-o {
  --to-middle: 0.56em;
  transform-origin: 50% 62%;
}

.lockup .mark-glyph {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 38px;
  height: 38px;
  margin-top: -17px;
  margin-left: -19px;
  opacity: 0;
  pointer-events: none;
}

.lockup .mk-turn {
  transform-box: view-box;
  transform-origin: 50% 50%;
  transform: scale(0.45) rotate(-70deg);
}

@property --away {
  syntax: "<integer>";
  inherits: true;
  initial-value: 0;
}

@keyframes oba-away {
  from { --away: 0; }
  to { --away: 1; }
}

.w-o {
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1) 0.15s, opacity 0.25s ease 0.15s;
}

.w-ba {
  transition: transform 0.35s ease 0.2s, opacity 0.3s ease 0.2s;
}

.lockup .mark-glyph {
  transition: opacity 0s linear 0.35s;
}

.lockup .mk-turn {
  transition: transform 0.35s ease;
}

@supports (animation-timeline: scroll()) {
  .top {
    animation: oba-away linear both;
    animation-timeline: scroll(root block);
    animation-range: 0px 2px;
  }

  @container style(--away: 1) {
    .front .w-o {
      opacity: 0;
      transform: translateX(var(--to-middle)) scale(1.7);
    }

    .front .w-ba {
      opacity: 0;
      transform: translateX(-0.45em) scale(0.85);
    }

    .front .lockup .mark-glyph {
      opacity: 1;
    }

    .front .lockup .mk-turn {
      transform: none;
    }

    .front .w-o {
      transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.15s ease 0.12s;
    }

    .front .w-ba {
      transition: transform 0.35s ease, opacity 0.3s ease;
    }

    .front .lockup .mark-glyph {
      transition: opacity 0s linear 0.15s;
    }

    .front .lockup .mk-turn {
      transition: transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1) 0.15s;
    }
  }
}

.top-mark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.top-mark .mark-glyph {
  display: block;
  width: 38px;
  height: 38px;
}

@media (max-width: 560px) {
  .top-mark {
    display: none;
  }
}

.mark-live {
  --mk-ink: var(--ws-ink);
  --mk-accent: var(--ws-ochre);
}

.mark-live > canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.plan path,
.plan text,
.plan circle,
.plan line,
.ob-mark *,
.mark-glyph *,
.glyphs * {
  --phase: 0;
}

.veil {
  display: none;
}

.ob-text {
  display: grid;
  flex: 1 1 auto;
  min-width: 0;
  line-height: 1.45;
}

.ob-text > * {
  grid-area: 1 / 1;
  align-self: center;
}

.acad-body {
  position: relative;
}

.ob-lift {
  display: none;
  position: absolute;
  right: 12px;
  bottom: 58px;
  z-index: 6;
  width: min(760px, calc(100% - 24px));
  transform-origin: 100% 100%;
}

.lift-files {
  display: none;
  justify-content: flex-end;
  margin-bottom: 10px;
}

.lift-files .ob-chip {
  padding: 5px 14px;
  font-size: 15px;
}

.lift-box {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  padding: 16px 14px 16px 22px;
  background: var(--ws-high);
  border: 1px solid var(--ws-ink);
  border-radius: 8px;
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--ws-ink) 10%, transparent),
    0 26px 60px color-mix(in srgb, var(--ws-ground) 75%, transparent);
  color: var(--ws-ink);
  font: 400 22px/1.45 var(--oba-ui);
}

.lift-text {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 1.45em;
}

.lift-tools {
  display: flex;
  flex: none;
  align-items: center;
  gap: 10px;
  color: var(--ws-dim);
}

.lift-tools .ic {
  width: 18px;
  height: 18px;
}

.lift-send {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--ws-line);
  border-radius: 50%;
  color: var(--ws-ink);
}

.tp {
  display: none;
}

.caret {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  margin-left: 2px;
  vertical-align: -0.18em;
  background: var(--ws-ink);
}

.caret {
  animation: oba-caret 1.06s steps(1, end) infinite;
}

.caption {
  width: min(1040px, 100%);
  margin: 0 auto;
  padding: 14px 8px 0;
  text-align: center;
}

.steps {
  display: none;
  justify-content: center;
  gap: 8px;
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
}

.steps li {
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--oba-border);
}

.descs {
  display: grid;
  gap: 6px;
}

.d {
  margin: 0;
  color: var(--oba-steel);
  font-size: clamp(14px, 1.2vw, 17px);
  line-height: 1.5;
}

.d b {
  color: var(--oba-chalk);
  font-weight: 600;
}

@property --phase {
  syntax: "<integer>";
  inherits: true;
  initial-value: 0;
}

@supports (animation-timeline: view()) {
  .story {
    --steps-at: 0 3000 6800 13800 18600 24200 28100 32900 38700 42600 48000;
    --prompts-at: 0 1 3 5 8 10;
    --busy-at: 2:1000:3700:think 4:1000:3300:draw 6:950:1600:think 7:1000:3400:think 9:950:3000:think;
    animation: oba-phase 53.2s linear infinite;
  }

  .story.clocked {
    animation: none;
  }

  .glide {
    animation: none;
  }

  .page.front {
    timeline-scope: --hero;
  }

  .hero {
    view-timeline: --hero block;
    view-timeline-inset: var(--bar-h) 0px;
  }

  .ob-lift {
    display: block;
    opacity: 0;
    pointer-events: none;
    will-change: transform, opacity;
  }

  .lift-files {
    display: flex;
    visibility: hidden;
  }

  .stage {
    height: calc(100vh - var(--bar-h));
    height: calc(100svh - var(--bar-h));
    grid-template-rows: minmax(0, 1fr) auto;
  }

  .acad {
    --narrow: 0.6;
    height: 100%;
    animation: oba-widen linear both;
    animation-timeline: --hero;
    animation-range: exit 0% exit 66%;
  }

  .story .acad-canvas .plan-box {
    width: calc(100cqw - 2px - var(--ob-w) - 96px);
  }

  @media (max-width: 1100px) {
    .story .acad-canvas .plan-box {
      width: calc(100cqw - 2px - var(--ob-w) - 36px);
    }
  }

  @media (max-width: 760px) {
    .story .acad-canvas .plan-box {
      width: calc(100cqw - 2px - 16px);
    }
  }

  .acad-bar,
  .acad-ribbon,
  .acad-files,
  .acad-canvas,
  .ob-log,
  .ob-foot,
  .acad-status {
    position: relative;
    isolation: isolate;
  }

  .veil {
    display: block;
    position: absolute;
    inset: 0;
    z-index: 4;
    margin: 0;
    background: #000000;
    opacity: 0.55;
    pointer-events: none;
    will-change: opacity;
  }

  .ob-log > .veil,
  .ob-foot > .veil {
    opacity: 0;
  }

  .acad-bar > .veil,
  .acad-ribbon > .veil,
  .acad-files > .veil,
  .acad-status > .veil {
    background: var(--ac-veil);
  }

  .acad-canvas > .veil {
    background: var(--ac-canvas-veil);
  }

  .ob-status,
  .ob-go {
    position: relative;
    z-index: 5;
  }

  .plan .fx {
    display: inline;
  }

  .plan .fx-plan {
    display: none;
  }

  .caret {
    animation: none;
  }

  .plan .fx-amber {
    stroke-dasharray: 1 2;
    stroke-dashoffset: 1.01;
  }

  .plan .fx-tip {
    stroke-dasharray: 0.07 2;
    stroke-dashoffset: 0.08;
  }

  .plan .fx-glow {
    stroke-dasharray: none;
    opacity: 0;
  }

  .plan .lay-fabric circle, .plan .lay-note circle {
    stroke-dasharray: none;
  }

  .tp > .ch {
    font-size: 0;
  }

  .steps {
    display: flex;
  }

  .d {
    grid-area: 1 / 1;
    visibility: hidden;
  }

  .cam-box {
    transition: transform 1.1s cubic-bezier(0.6, 0, 0.2, 1);
  }

  @container style(--phase: 0) {
    .acad-canvas > .veil { opacity: 0.35; }
  }

  @container style(--phase: 0) or style(--phase: 1) {
    .acad-files .f-pdf { display: none; }
    .acad-files .f-dwg { background: var(--ac-tab); color: var(--ac-ink); }
    .plan .lay-fabric, .plan .lay-column, .plan .lay-dim, .plan .lay-note, .plan .lay-grid { opacity: 0.001; }
  }

  @container style(--phase: 0) or style(--phase: 1) or style(--phase: 2) or style(--phase: 3) {
    .plan .ex-wall { stroke-dasharray: 1 2; stroke-dashoffset: 1.01; }
  }

  @container style(--phase: 0) or style(--phase: 1) or style(--phase: 2) or style(--phase: 3) or style(--phase: 4) or style(--phase: 5) or style(--phase: 6) {
    .plan .ex-door { stroke-dasharray: 1 2; stroke-dashoffset: 1.01; }
  }

  @container style(--phase: 0) or style(--phase: 1) or style(--phase: 2) or style(--phase: 3) or style(--phase: 4) or style(--phase: 5) or style(--phase: 6) or style(--phase: 7) or style(--phase: 8) {
    .plan .ex-chain { stroke-dasharray: 1 2; stroke-dashoffset: 1.01; }
    .plan .ex-chain-words { opacity: 0; }
  }

  @container style(--phase: 2) {
    .f-pdf { animation: oba-tab-in 0.4s ease 1.1s both; }
    .f-dwg { animation: oba-tab-off 0.4s ease 1.1s both; }
    .plan .lay-fabric, .plan .lay-column:not([stroke-dasharray]), .plan .lay-dim, .plan .lay-note {
      animation: oba-base-show 4.4s linear 1.2s both;
    }
    .plan .lay-grid, .plan .lay-column[stroke-dasharray] { animation: oba-appear 0.6s ease 1.15s both; }
    .plan .fx-plan { display: inline; }
    .plan .fx-plan.fx-amber { animation: oba-fx-amber 4.4s linear 1.2s both; }
  }

  @container style(--phase: 4) {
    .plan .ex-wall { stroke-dasharray: 1 2; animation: oba-base-in 2.6s linear 1.2s both; }
    .plan .fx-wall.fx-amber { animation: oba-fx-amber 2.6s linear 1.2s both; }
    .plan .fx-wall.fx-tip { animation: oba-fx-tip 2.6s linear 1.2s both; }
    .plan .fx-wall.fx-glow { animation: oba-fx-glow 2.6s linear 1.2s both; }
  }

  @container style(--phase: 6) {
    .ob-option { animation: oba-in-small 0.3s ease both; }
    .ob-option.o1 { background: var(--ws-raise); border-color: var(--ws-line); }
    .o1 { animation-delay: 2.4s; }
    .o2 { animation-delay: 2.55s; }
    .o3 { animation-delay: 2.7s; }
    .o4 { animation-delay: 2.85s; }
    .ph-pick { display: block; animation: oba-pick-hint-6 8s linear both; }
  }

  @container style(--phase: 7) {
    .o1 { animation: oba-pick 0.3s ease 0.5s both; }
    .plan .ex-door { stroke-dasharray: 1 2; animation: oba-base-in 2s linear 1.2s both; }
    .plan .fx-door.fx-amber { animation: oba-fx-amber 2s linear 1.2s both; }
    .plan .fx-door.fx-tip { animation: oba-fx-tip 2s linear 1.2s both; }
    .plan .fx-door.fx-glow { animation: oba-fx-glow 2s linear 1.2s both; }
  }

  @container style(--phase: 9) {
    .plan .ex-chain { stroke-dasharray: 1 2; animation: oba-base-in 2.4s linear 1.1s both; }
    .plan .fx-chain.fx-amber { animation: oba-fx-amber 2.4s linear 1.1s both; }
    .plan .fx-chain.fx-tip { animation: oba-fx-tip 2.4s linear 1.1s both; }
    .plan .fx-chain.fx-glow { animation: oba-fx-glow 2.4s linear 1.1s both; }
    .plan .ex-chain-words { animation: oba-appear 0.4s ease 2.42s both; }
  }

  @container style(--phase: 10) {
    .u-4 { animation: oba-press-undo 0.4s ease 0.6s both; }
    .s-u4 .ob-bubble, .s-r4 .ob-bubble { animation: oba-taken-back 0.3s ease 0.9s both; }
    .s-u4, .s-r4 { animation: oba-collapse 0.5s ease 2.4s both; }
    .plan .ex-chain { stroke-dasharray: 1 2; animation: oba-base-out 0.01s linear 1s both; }
    .plan .fx-chain.fx-amber { animation: oba-fx-unamber 1.5s linear 1s forwards; }
    .plan .fx-chain.fx-glow { animation: oba-fx-unglow 1.5s linear 1s forwards; }
    .plan .ex-chain-words { animation: oba-out 0.4s ease 1s both; }
    .cam-box { transition-delay: 2.6s; }
  }


  @container style(--phase: 0) {
    .d0 { visibility: visible; animation: oba-appear 0.5s ease both; }
    .steps li:nth-child(1) { background: var(--oba-chalk); }
    .k1, .k2, .k3, .k3b, .k4 { display: none; }
  }
  @container style(--phase: 1) {
    .d1 { visibility: visible; animation: oba-appear 0.5s ease both; }
    .steps li:nth-child(2) { background: var(--oba-chalk); }
    .k1, .k2, .k3, .k3b, .k4 { display: none; }
  }
  @container style(--phase: 2) {
    .d1 { visibility: visible; }
    .steps li:nth-child(2) { background: var(--oba-chalk); }
    .k2, .k3, .k3b, .k4 { display: none; }
  }
  @container style(--phase: 3) {
    .d2 { visibility: visible; animation: oba-appear 0.5s ease both; }
    .steps li:nth-child(3) { background: var(--oba-chalk); }
    .k2, .k3, .k3b, .k4 { display: none; }
    .cam-box { transform: scale(2) translate(-18%, -5.4%); }
  }
  @container style(--phase: 4) {
    .d2 { visibility: visible; }
    .steps li:nth-child(3) { background: var(--oba-chalk); }
    .k3, .k3b, .k4 { display: none; }
    .cam-box { transform: scale(2) translate(-18%, -5.4%); }
  }
  @container style(--phase: 5) {
    .d3 { visibility: visible; animation: oba-appear 0.5s ease both; }
    .steps li:nth-child(4) { background: var(--oba-chalk); }
    .k3, .k3b, .k4 { display: none; }
    .cam-box { transform: scale(2.4) translate(7.25%, 12.8%); }
  }
  @container style(--phase: 6) {
    .d3 { visibility: visible; }
    .steps li:nth-child(4) { background: var(--oba-chalk); }
    .k3b, .k4 { display: none; }
    .cam-box { transform: scale(2.4) translate(7.25%, 12.8%); }
  }
  @container style(--phase: 7) {
    .d3 { visibility: visible; }
    .steps li:nth-child(4) { background: var(--oba-chalk); }
    .k4 { display: none; }
    .cam-box { transform: scale(2.4) translate(7.25%, 12.8%); }
  }
  @container style(--phase: 8) {
    .d4 { visibility: visible; animation: oba-appear 0.5s ease both; }
    .steps li:nth-child(5) { background: var(--oba-chalk); }
    .k4 { display: none; }
    .cam-box { transform: scale(1.7) translate(-9.0625%, 5.6%); }
  }
  @container style(--phase: 9) {
    .d4 { visibility: visible; }
    .steps li:nth-child(5) { background: var(--oba-chalk); }
    .cam-box { transform: scale(1.7) translate(-9.0625%, 5.6%); }
  }
  @container style(--phase: 10) {
    .d5 { visibility: visible; animation: oba-appear 0.5s ease both; }
    .steps li:nth-child(6) { background: var(--oba-chalk); }
  }
  @container style(--phase: 1) {
    .ob-lift { animation: oba-lift-in 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
    .tp1 { display: inline; --t0: 0.7s; }
    .tp1 > .ch { animation: oba-type-char 1ms steps(1, end) var(--d) forwards; }
    .ph-ask { animation: oba-hide-typing 8s linear both; }
    .lift-text .caret { animation: oba-caret 1.06s steps(1, end) infinite; }
    .acad-canvas > .veil { animation: oba-dim-type-canvas 8s linear both; }
    .ob-log > .veil { animation: oba-dim-type-log 8s linear both; }
    .ob-foot > .veil { animation: oba-dim-type-foot 8s linear both; }
    .lift-files { visibility: visible; animation: oba-in-small 0.35s ease 0.35s both; }
  }
  @container style(--phase: 3) {
    .ob-lift { animation: oba-lift-in 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
    .tp2 { display: inline; --t0: 0.7s; }
    .tp2 > .ch { animation: oba-type-char 1ms steps(1, end) var(--d) forwards; }
    .ph-ask { animation: oba-hide-typing 8s linear both; }
    .lift-text .caret { animation: oba-caret 1.06s steps(1, end) infinite; }
    .acad-canvas > .veil { animation: oba-dim-type-canvas 8s linear both; }
    .ob-log > .veil { animation: oba-dim-type-log 8s linear both; }
    .ob-foot > .veil { animation: oba-dim-type-foot 8s linear both; }
  }
  @container style(--phase: 5) {
    .ob-lift { animation: oba-lift-in 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
    .tp3 { display: inline; --t0: 0.7s; }
    .tp3 > .ch { animation: oba-type-char 1ms steps(1, end) var(--d) forwards; }
    .ph-ask { animation: oba-hide-typing 8s linear both; }
    .lift-text .caret { animation: oba-caret 1.06s steps(1, end) infinite; }
    .acad-canvas > .veil { animation: oba-dim-type-canvas 8s linear both; }
    .ob-log > .veil { animation: oba-dim-type-log 8s linear both; }
    .ob-foot > .veil { animation: oba-dim-type-foot 8s linear both; }
  }
  @container style(--phase: 8) {
    .ob-lift { animation: oba-lift-in 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
    .tp4 { display: inline; --t0: 0.7s; }
    .tp4 > .ch { animation: oba-type-char 1ms steps(1, end) var(--d) forwards; }
    .ph-ask { animation: oba-hide-typing 8s linear both; }
    .lift-text .caret { animation: oba-caret 1.06s steps(1, end) infinite; }
    .acad-canvas > .veil { animation: oba-dim-type-canvas 8s linear both; }
    .ob-log > .veil { animation: oba-dim-type-log 8s linear both; }
    .ob-foot > .veil { animation: oba-dim-type-foot 8s linear both; }
  }
  @container style(--phase: 2) {
    .ob-lift { animation: oba-lift-out 0.45s ease 0.5s both; }
    .tp1 { display: inline; }
    .tp1 > .ch { font-size: 1em; }
    .lift-text .caret { visibility: hidden; }
    .lift-send { animation: oba-press 0.35s ease 0.25s both; }
    .ph-ask { animation: oba-hide-sent-2 8s linear both; }
    .st-think .glide { animation: oba-sweep 1.6s linear 1.00s 2; }
    .st-think .mk-head { animation: oba-mk-run 3.2s linear 1.00s 1; }
    .st-think .mk-tail { animation: oba-mk-run-tail 3.2s linear 1.00s 1; }
    .ob-stop { animation: oba-busy-2 8s linear both; }
    .st-ready { animation: oba-idle-2 8s linear both; }
    .st-think { animation: oba-busy-2 8s linear both; }
    .s-u1 { animation: oba-in 0.45s ease 0.80s both; }
    .s-r1 { animation: oba-in 0.45s ease 3.70s both; }
    .s-r1 .ob-bubble { --w0: 3.75s; }
    .s-r1 .ob-bubble > span { animation-name: oba-appear; animation-duration: 0.18s; animation-fill-mode: both; }
    .u-1 { animation: oba-appear 0.3s ease 3.70s both; }
    .lift-files { visibility: visible; }
  }
  @container style(--phase: 4) {
    .ob-lift { animation: oba-lift-out 0.45s ease 0.5s both; }
    .tp2 { display: inline; }
    .tp2 > .ch { font-size: 1em; }
    .lift-text .caret { visibility: hidden; }
    .lift-send { animation: oba-press 0.35s ease 0.25s both; }
    .ph-ask { animation: oba-hide-sent-4 8s linear both; }
    .st-draw .glide { animation: oba-sweep 1.6s linear 1.00s 2; }
    .st-draw .mk-head { animation: oba-mk-run 1.15s linear 1.00s 2; }
    .st-draw .mk-tail { animation: oba-mk-run-tail 1.15s linear 1.00s 2; }
    .ob-stop { animation: oba-busy-4 8s linear both; }
    .st-ready { animation: oba-idle-4 8s linear both; }
    .st-draw { animation: oba-busy-4 8s linear both; }
    .s-u2 { animation: oba-in 0.45s ease 0.80s both; }
    .s-r2 { animation: oba-in 0.45s ease 3.30s both; }
    .s-r2 .ob-bubble { --w0: 3.35s; }
    .s-r2 .ob-bubble > span { animation-name: oba-appear; animation-duration: 0.18s; animation-fill-mode: both; }
    .u-2 { animation: oba-appear 0.3s ease 3.30s both; }
  }
  @container style(--phase: 6) {
    .ob-lift { animation: oba-lift-out 0.45s ease 0.5s both; }
    .tp3 { display: inline; }
    .tp3 > .ch { font-size: 1em; }
    .lift-text .caret { visibility: hidden; }
    .lift-send { animation: oba-press 0.35s ease 0.25s both; }
    .ph-ask { animation: oba-hide-sent-6 8s linear both; }
    .st-think .glide { animation: oba-sweep 1.6s linear 0.95s 1; }
    .st-think .mk-head { animation: oba-mk-run 3.2s linear 0.95s 1; }
    .st-think .mk-tail { animation: oba-mk-run-tail 3.2s linear 0.95s 1; }
    .ob-stop { animation: oba-busy-6 8s linear both; }
    .st-ready { animation: oba-idle-6 8s linear both; }
    .st-think { animation: oba-busy-6 8s linear both; }
    .s-u3 { animation: oba-in 0.45s ease 0.80s both; }
    .s-r3 { animation: oba-in 0.45s ease 1.60s both; }
    .s-r3 .ob-bubble { --w0: 1.65s; }
    .s-r3 .ob-bubble > span { animation-name: oba-appear; animation-duration: 0.18s; animation-fill-mode: both; }
  }
  @container style(--phase: 9) {
    .ob-lift { animation: oba-lift-out 0.45s ease 0.5s both; }
    .tp4 { display: inline; }
    .tp4 > .ch { font-size: 1em; }
    .lift-text .caret { visibility: hidden; }
    .lift-send { animation: oba-press 0.35s ease 0.25s both; }
    .ph-ask { animation: oba-hide-sent-9 8s linear both; }
    .st-think .glide { animation: oba-sweep 1.6s linear 0.95s 2; }
    .st-think .mk-head { animation: oba-mk-run 3.2s linear 0.95s 1; }
    .st-think .mk-tail { animation: oba-mk-run-tail 3.2s linear 0.95s 1; }
    .ob-stop { animation: oba-busy-9 8s linear both; }
    .st-ready { animation: oba-idle-9 8s linear both; }
    .st-think { animation: oba-busy-9 8s linear both; }
    .s-u4 { animation: oba-in 0.45s ease 0.80s both; }
    .s-r4 { animation: oba-in 0.45s ease 3.00s both; }
    .s-r4 .ob-bubble { --w0: 3.05s; }
    .s-r4 .ob-bubble > span { animation-name: oba-appear; animation-duration: 0.18s; animation-fill-mode: both; }
    .u-4 { animation: oba-appear 0.3s ease 3.00s both; }
  }
  @container style(--phase: 7) {
    .ph-ask { animation: oba-hide-pick 8s linear both; }
    .ph-pick { display: block; animation: oba-pick-hint-7 8s linear both; }
    .st-think .glide { animation: oba-sweep-b 1.6s linear 1.00s 2; }
    .st-think .mk-head { animation: oba-mk-run-b 3.2s linear 1.00s 1; }
    .st-think .mk-tail { animation: oba-mk-run-tail-b 3.2s linear 1.00s 1; }
    .ob-stop { animation: oba-busy-7 8s linear both; }
    .st-ready { animation: oba-idle-7 8s linear both; }
    .st-think { animation: oba-busy-7 8s linear both; }
    .s-u3b { animation: oba-in 0.45s ease 0.80s both; }
    .s-r3b { animation: oba-in 0.45s ease 3.40s both; }
    .s-r3b .ob-bubble { --w0: 3.45s; }
    .s-r3b .ob-bubble > span { animation-name: oba-appear; animation-duration: 0.18s; animation-fill-mode: both; }
    .u-3 { animation: oba-appear 0.3s ease 3.40s both; }
  }
  @container style(--phase: 2) {
    .acad-canvas > .veil { animation: oba-dim-canvas-2 8s linear both; }
    .ob-log > .veil { animation: oba-dim-log-2 8s linear both; }
    .ob-foot > .veil { animation: oba-dim-foot-2 8s linear both; }
  }
  @container style(--phase: 4) {
    .acad-canvas > .veil { animation: oba-dim-canvas-4 8s linear both; }
    .ob-log > .veil { animation: oba-dim-log-4 8s linear both; }
    .ob-foot > .veil { animation: oba-dim-foot-4 8s linear both; }
  }
  @container style(--phase: 6) {
    .acad-canvas > .veil { animation: oba-dim-canvas-6 8s linear both; }
    .ob-log > .veil { animation: oba-dim-log-6 8s linear both; }
    .ob-foot > .veil { animation: oba-dim-foot-6 8s linear both; }
  }
  @container style(--phase: 7) {
    .acad-canvas > .veil { animation: oba-dim-canvas-7 8s linear both; }
    .ob-log > .veil { animation: oba-dim-log-7 8s linear both; }
    .ob-foot > .veil { animation: oba-dim-foot-7 8s linear both; }
  }
  @container style(--phase: 9) {
    .acad-canvas > .veil { animation: oba-dim-canvas-9 8s linear both; }
    .ob-log > .veil { animation: oba-dim-log-9 8s linear both; }
    .ob-foot > .veil { animation: oba-dim-foot-9 8s linear both; }
  }
  @container style(--phase: 10) {
    .acad-canvas > .veil { animation: oba-dim-canvas-10 8s linear both; }
    .ob-log > .veil { animation: oba-dim-log-10 8s linear both; }
    .ob-foot > .veil { animation: oba-dim-foot-10 8s linear both; }
  }

}

.tp .c1 { --d: calc(var(--t0) + 0ms); }
.tp .c2 { --d: calc(var(--t0) + 45ms); }
.tp .c3 { --d: calc(var(--t0) + 90ms); }
.tp .c4 { --d: calc(var(--t0) + 135ms); }
.tp .c5 { --d: calc(var(--t0) + 180ms); }
.tp .c6 { --d: calc(var(--t0) + 225ms); }
.tp .c7 { --d: calc(var(--t0) + 270ms); }
.tp .c8 { --d: calc(var(--t0) + 315ms); }
.tp .c9 { --d: calc(var(--t0) + 360ms); }
.tp .c10 { --d: calc(var(--t0) + 405ms); }
.tp .c11 { --d: calc(var(--t0) + 450ms); }
.tp .c12 { --d: calc(var(--t0) + 495ms); }
.tp .c13 { --d: calc(var(--t0) + 540ms); }
.tp .c14 { --d: calc(var(--t0) + 585ms); }
.tp .c15 { --d: calc(var(--t0) + 630ms); }
.tp .c16 { --d: calc(var(--t0) + 675ms); }
.tp .c17 { --d: calc(var(--t0) + 720ms); }
.tp .c18 { --d: calc(var(--t0) + 765ms); }
.tp .c19 { --d: calc(var(--t0) + 810ms); }
.tp .c20 { --d: calc(var(--t0) + 855ms); }
.tp .c21 { --d: calc(var(--t0) + 900ms); }
.tp .c22 { --d: calc(var(--t0) + 945ms); }
.tp .c23 { --d: calc(var(--t0) + 990ms); }
.tp .c24 { --d: calc(var(--t0) + 1035ms); }
.tp .c25 { --d: calc(var(--t0) + 1080ms); }
.tp .c26 { --d: calc(var(--t0) + 1125ms); }
.tp .c27 { --d: calc(var(--t0) + 1170ms); }
.tp .c28 { --d: calc(var(--t0) + 1215ms); }
.tp .c29 { --d: calc(var(--t0) + 1260ms); }
.tp .c30 { --d: calc(var(--t0) + 1305ms); }
.tp .c31 { --d: calc(var(--t0) + 1350ms); }
.tp .c32 { --d: calc(var(--t0) + 1395ms); }
.tp .c33 { --d: calc(var(--t0) + 1440ms); }
.tp .c34 { --d: calc(var(--t0) + 1485ms); }
.tp .c35 { --d: calc(var(--t0) + 1530ms); }
.tp .c36 { --d: calc(var(--t0) + 1575ms); }
.tp .c37 { --d: calc(var(--t0) + 1620ms); }
.tp .c38 { --d: calc(var(--t0) + 1665ms); }
.tp .c39 { --d: calc(var(--t0) + 1710ms); }
.tp .c40 { --d: calc(var(--t0) + 1755ms); }
.tp .c41 { --d: calc(var(--t0) + 1800ms); }
.tp .c42 { --d: calc(var(--t0) + 1845ms); }
.tp .c43 { --d: calc(var(--t0) + 1890ms); }
.tp .c44 { --d: calc(var(--t0) + 1935ms); }
.tp .c45 { --d: calc(var(--t0) + 1980ms); }
.tp .c46 { --d: calc(var(--t0) + 2025ms); }
.tp .c47 { --d: calc(var(--t0) + 2070ms); }
.tp .c48 { --d: calc(var(--t0) + 2115ms); }
.tp .c49 { --d: calc(var(--t0) + 2160ms); }
.tp .c50 { --d: calc(var(--t0) + 2205ms); }
.tp .c51 { --d: calc(var(--t0) + 2250ms); }
.tp .c52 { --d: calc(var(--t0) + 2295ms); }
.tp .c53 { --d: calc(var(--t0) + 2340ms); }
.tp .c54 { --d: calc(var(--t0) + 2385ms); }
.tp .c55 { --d: calc(var(--t0) + 2430ms); }
.tp .c56 { --d: calc(var(--t0) + 2475ms); }
.tp .c57 { --d: calc(var(--t0) + 2520ms); }
.tp .c58 { --d: calc(var(--t0) + 2565ms); }
.tp .c59 { --d: calc(var(--t0) + 2610ms); }
.tp .c60 { --d: calc(var(--t0) + 2655ms); }
.tp .c61 { --d: calc(var(--t0) + 2700ms); }
.tp .c62 { --d: calc(var(--t0) + 2745ms); }
.ob-bubble > .w1 { animation-delay: calc(var(--w0, 0s) + 0ms); }
.ob-bubble > .w2 { animation-delay: calc(var(--w0, 0s) + 60ms); }
.ob-bubble > .w3 { animation-delay: calc(var(--w0, 0s) + 120ms); }
.ob-bubble > .w4 { animation-delay: calc(var(--w0, 0s) + 180ms); }
.ob-bubble > .w5 { animation-delay: calc(var(--w0, 0s) + 240ms); }
.ob-bubble > .w6 { animation-delay: calc(var(--w0, 0s) + 300ms); }
.ob-bubble > .w7 { animation-delay: calc(var(--w0, 0s) + 360ms); }
.ob-bubble > .w8 { animation-delay: calc(var(--w0, 0s) + 420ms); }
.ob-bubble > .w9 { animation-delay: calc(var(--w0, 0s) + 480ms); }
.ob-bubble > .w10 { animation-delay: calc(var(--w0, 0s) + 540ms); }
.ob-bubble > .w11 { animation-delay: calc(var(--w0, 0s) + 600ms); }
.ob-bubble > .w12 { animation-delay: calc(var(--w0, 0s) + 660ms); }
.ob-bubble > .w13 { animation-delay: calc(var(--w0, 0s) + 720ms); }
.ob-bubble > .w14 { animation-delay: calc(var(--w0, 0s) + 780ms); }
.ob-bubble > .w15 { animation-delay: calc(var(--w0, 0s) + 840ms); }

@keyframes oba-phase {
  0.00%, 5.63% { --phase: 0; }
  5.64%, 12.77% { --phase: 1; }
  12.78%, 25.93% { --phase: 2; }
  25.94%, 34.95% { --phase: 3; }
  34.96%, 45.48% { --phase: 4; }
  45.49%, 52.81% { --phase: 5; }
  52.82%, 61.83% { --phase: 6; }
  61.84%, 72.73% { --phase: 7; }
  72.74%, 80.07% { --phase: 8; }
  80.08%, 90.22% { --phase: 9; }
  90.23%, 100.00% { --phase: 10; }
}

@keyframes oba-appear {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes oba-out {
  from { opacity: 1; visibility: visible; }
  to { opacity: 0; visibility: hidden; }
}

@keyframes oba-tab-in {
  from { max-width: 0; padding-left: 0; padding-right: 0; opacity: 0; }
  to { max-width: 180px; opacity: 1; }
}

@keyframes oba-tab-off {
  from { background: var(--ws-ground); color: var(--ws-ink); }
  to { background: var(--ws-panel); color: var(--ws-dim); }
}

@keyframes oba-pick {
  from { background: var(--ws-raise); border-color: var(--ws-line); }
  to { background: var(--ws-high); border-color: var(--ws-ochre); }
}

@keyframes oba-taken-back {
  from { opacity: 1; }
  to { opacity: 0.4; }
}

@keyframes oba-collapse {
  from { max-height: var(--h); margin-top: 12px; opacity: 1; }
  to { max-height: 0; margin-top: 0; opacity: 0; }
}

@keyframes oba-base-in {
  0%, 54.9% { stroke-dashoffset: 1.01; }
  55%, 100% { stroke-dashoffset: 0; }
}

@keyframes oba-base-show {
  0%, 54.9% { opacity: 0.001; }
  55%, 100% { opacity: 1; }
}

@keyframes oba-base-out {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: 1.01; }
}

@keyframes oba-fx-amber {
  0% { stroke-dashoffset: 1.01; animation-timing-function: cubic-bezier(0.35, 0, 0.25, 1); }
  55% { stroke-dashoffset: 0; }
  72% { stroke-dashoffset: 0; animation-timing-function: cubic-bezier(0.55, 0, 0.45, 1); }
  100% { stroke-dashoffset: -1.01; }
}

@keyframes oba-fx-tip {
  0% { stroke-dashoffset: 0.08; animation-timing-function: cubic-bezier(0.35, 0, 0.25, 1); }
  55% { stroke-dashoffset: -0.93; }
  55.1% { stroke-dashoffset: 0.08; animation-timing-function: ease-in-out; }
  72% { stroke-dashoffset: -1.01; }
  100% { stroke-dashoffset: -1.01; }
}

@keyframes oba-fx-glow {
  0%, 55% { opacity: 0; }
  63% { opacity: 0.5; }
  76% { opacity: 0.22; }
  100% { opacity: 0; }
}

@keyframes oba-fx-unamber {
  0%, 27% { stroke-dashoffset: 0; animation-timing-function: cubic-bezier(0.55, 0, 0.45, 1); }
  100% { stroke-dashoffset: 1.01; }
}

@keyframes oba-fx-unglow {
  0% { opacity: 0; }
  15% { opacity: 0.5; }
  45% { opacity: 0.2; }
  100% { opacity: 0; }
}

@keyframes oba-widen {
  from { width: calc(100% * var(--narrow)); border-radius: 8px; }
  to { width: 100%; border-radius: 0; }
}

@keyframes oba-type-char {
  from, to { font-size: 1em; }
}

@keyframes oba-caret {
  0% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes oba-lift-in {
  from { opacity: 0; transform: translateY(10px) scale(0.55); }
  to { opacity: 1; transform: none; }
}

@keyframes oba-lift-out {
  from { opacity: 1; transform: none; }
  to { opacity: 0; transform: translateY(10px) scale(0.55); }
}

@keyframes oba-in {
  from { max-height: 0; margin-top: 0; opacity: 0; transform: translateY(14px); }
  to { max-height: var(--h); margin-top: 12px; opacity: 1; transform: none; }
}

@keyframes oba-in-small {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

@keyframes oba-press {
  0% { background: transparent; box-shadow: 0 0 0 0 transparent; }
  40% { background: var(--ws-high); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ws-ink) 18%, transparent); }
  100% { background: transparent; box-shadow: 0 0 0 0 transparent; }
}

@keyframes oba-press-undo {
  0% { background: transparent; color: var(--ws-dim); transform: none; }
  50% { background: var(--ws-high); color: var(--ws-ink); transform: scale(0.88); }
  100% { background: var(--ws-high); color: var(--ws-ink); transform: none; }
}


@keyframes oba-hide-typing {
  0% { opacity: 1; }
  3.12% { opacity: 1; }
  3.25%, 100.00% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-type-canvas {
  0% { opacity: 0; }
  1.25% { opacity: 0; }
  5.00% { opacity: 0.5; }
  100% { opacity: 0.5; }
}

@keyframes oba-dim-type-log {
  0% { opacity: 0; }
  1.25% { opacity: 0; }
  5.00% { opacity: 0.3; }
  100% { opacity: 0.3; }
}

@keyframes oba-dim-type-foot {
  0% { opacity: 0; }
  1.25% { opacity: 0; }
  5.00% { opacity: 0.3; }
  100% { opacity: 0.3; }
}

@keyframes oba-busy-2 {
  0% { opacity: 0; }
  12.50% { opacity: 0; }
  12.62%, 46.25% { opacity: 1; }
  46.38% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-idle-2 {
  0% { opacity: 1; }
  12.50% { opacity: 1; }
  12.62%, 46.25% { opacity: 0; }
  46.38% { opacity: 1; }
  100% { opacity: 1; }
}

@keyframes oba-hide-sent-2 {
  0% { opacity: 0; }
  0.00%, 11.25% { opacity: 0; }
  11.38% { opacity: 1; }
  100% { opacity: 1; }
}

@keyframes oba-busy-4 {
  0% { opacity: 0; }
  12.50% { opacity: 0; }
  12.62%, 41.25% { opacity: 1; }
  41.37% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-idle-4 {
  0% { opacity: 1; }
  12.50% { opacity: 1; }
  12.62%, 41.25% { opacity: 0; }
  41.37% { opacity: 1; }
  100% { opacity: 1; }
}

@keyframes oba-hide-sent-4 {
  0% { opacity: 0; }
  0.00%, 11.25% { opacity: 0; }
  11.38% { opacity: 1; }
  100% { opacity: 1; }
}

@keyframes oba-busy-6 {
  0% { opacity: 0; }
  11.88% { opacity: 0; }
  12.00%, 20.00% { opacity: 1; }
  20.12% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-idle-6 {
  0% { opacity: 1; }
  11.88% { opacity: 1; }
  12.00%, 20.00% { opacity: 0; }
  20.12% { opacity: 1; }
  100% { opacity: 1; }
}

@keyframes oba-hide-sent-6 {
  0% { opacity: 0; }
  0.00%, 11.25% { opacity: 0; }
  11.38% { opacity: 1; }
  36.25% { opacity: 1; }
  36.37%, 100.00% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-busy-9 {
  0% { opacity: 0; }
  11.88% { opacity: 0; }
  12.00%, 37.50% { opacity: 1; }
  37.62% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-idle-9 {
  0% { opacity: 1; }
  11.88% { opacity: 1; }
  12.00%, 37.50% { opacity: 0; }
  37.62% { opacity: 1; }
  100% { opacity: 1; }
}

@keyframes oba-hide-sent-9 {
  0% { opacity: 0; }
  0.00%, 11.25% { opacity: 0; }
  11.38% { opacity: 1; }
  100% { opacity: 1; }
}

@keyframes oba-busy-7 {
  0% { opacity: 0; }
  12.50% { opacity: 0; }
  12.62%, 42.50% { opacity: 1; }
  42.62% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-idle-7 {
  0% { opacity: 1; }
  12.50% { opacity: 1; }
  12.62%, 42.50% { opacity: 0; }
  42.62% { opacity: 1; }
  100% { opacity: 1; }
}

@keyframes oba-hide-pick {
  0% { opacity: 0; }
  0.00%, 7.50% { opacity: 0; }
  7.62% { opacity: 1; }
  100% { opacity: 1; }
}

@keyframes oba-pick-hint-7 {
  0% { opacity: 1; }
  0.00%, 7.50% { opacity: 1; }
  7.62% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-canvas-2 {
  0% { opacity: 0.5; }
  12.50% { opacity: 0.5; }
  16.25% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-log-2 {
  0% { opacity: 0.3; }
  8.75% { opacity: 0.3; }
  12.50% { opacity: 0; }
  15.00% { opacity: 0; }
  18.75% { opacity: 0.35; }
  46.25% { opacity: 0.35; }
  50.00% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-foot-2 {
  0% { opacity: 0.3; }
  8.75% { opacity: 0.3; }
  12.50% { opacity: 0; }
  15.00% { opacity: 0; }
  18.75% { opacity: 0.45; }
  46.25% { opacity: 0.45; }
  50.00% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-canvas-4 {
  0% { opacity: 0.5; }
  12.50% { opacity: 0.5; }
  16.25% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-log-4 {
  0% { opacity: 0.3; }
  8.75% { opacity: 0.3; }
  12.50% { opacity: 0; }
  15.00% { opacity: 0; }
  18.75% { opacity: 0.35; }
  41.25% { opacity: 0.35; }
  45.00% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-foot-4 {
  0% { opacity: 0.3; }
  8.75% { opacity: 0.3; }
  12.50% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-canvas-6 {
  0% { opacity: 0.5; }
  100% { opacity: 0.5; }
}

@keyframes oba-dim-log-6 {
  0% { opacity: 0.3; }
  8.75% { opacity: 0.3; }
  12.50% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-foot-6 {
  0% { opacity: 0.3; }
  8.75% { opacity: 0.3; }
  12.50% { opacity: 0; }
  15.00% { opacity: 0; }
  18.75% { opacity: 0.45; }
  36.25% { opacity: 0.45; }
  40.00% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-canvas-7 {
  0% { opacity: 0.5; }
  13.75% { opacity: 0.5; }
  17.50% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-log-7 {
  0% { opacity: 0; }
  16.25% { opacity: 0; }
  20.00% { opacity: 0.35; }
  42.50% { opacity: 0.35; }
  46.25% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-foot-7 {
  0% { opacity: 0; }
  12.50% { opacity: 0; }
  16.25% { opacity: 0.45; }
  42.50% { opacity: 0.45; }
  46.25% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-canvas-9 {
  0% { opacity: 0.5; }
  12.50% { opacity: 0.5; }
  16.25% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-log-9 {
  0% { opacity: 0.3; }
  8.75% { opacity: 0.3; }
  12.50% { opacity: 0; }
  15.00% { opacity: 0; }
  18.75% { opacity: 0.35; }
  37.50% { opacity: 0.35; }
  41.25% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-foot-9 {
  0% { opacity: 0.3; }
  8.75% { opacity: 0.3; }
  12.50% { opacity: 0; }
  15.00% { opacity: 0; }
  18.75% { opacity: 0.45; }
  37.50% { opacity: 0.45; }
  41.25% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-canvas-10 {
  0% { opacity: 0; }
  1.25% { opacity: 0; }
  5.00% { opacity: 0.5; }
  11.25% { opacity: 0.5; }
  15.00% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-log-10 {
  0% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-dim-foot-10 {
  0% { opacity: 0; }
  1.25% { opacity: 0; }
  5.00% { opacity: 0.45; }
  32.50% { opacity: 0.45; }
  36.25% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes oba-pick-hint-6 {
  0% { opacity: 0; }
  36.25% { opacity: 0; }
  36.37%, 100.00% { opacity: 1; }
  100% { opacity: 1; }
}

@keyframes oba-sweep-b {
  from {
    background-position: 100% 0;
  }
  to {
    background-position: 0 0;
  }
}

@keyframes oba-mk-run-b {
  from {
    stroke-dashoffset: 0.05;
  }
  to {
    stroke-dashoffset: -0.95;
  }
}

@keyframes oba-mk-run-tail-b {
  from {
    stroke-dashoffset: 0.14;
  }
  to {
    stroke-dashoffset: -0.86;
  }
}

.where {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(80px, 10vw, 140px) var(--gutter);
  text-align: center;
}

.row-head {
  margin: 0 0 22px;
  color: var(--oba-steel);
  font-size: 17px;
}

.apps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 40px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.apps li {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--oba-display);
  font-weight: 300;
  font-size: clamp(24px, 2.6vw, 34px);
  letter-spacing: -0.015em;
}

.apps li::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--tile-ink);
}

.apps li:nth-child(1) {
  --tile-ink: #E51050;
}

.apps li:nth-child(2) {
  --tile-ink: #990000;
}

.apps li:nth-child(3) {
  --tile-ink: #E87D0D;
}

.apps li:nth-child(4) {
  --tile-ink: #39A5CC;
}

.apps li:nth-child(5) {
  --tile-ink: #176BFF;
}

.close {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(96px, 12vw, 168px);
  text-align: center;
}

.close h2 {
  margin: 0 0 10px;
  font-family: var(--oba-display);
  font-weight: 300;
  font-size: clamp(42px, 5.4vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.close p {
  margin: 0 0 28px;
  color: var(--oba-steel);
  font-size: 18px;
}

.foot {
  width: 100%;
  padding: 22px var(--gutter) 34px;
  border-top: 1px solid var(--oba-border);
}

.foot nav {
  display: flex;
  gap: 24px;
}

.foot a {
  color: var(--oba-steel);
  font-size: 14px;
  text-decoration: none;
}

.foot a:hover {
  color: var(--oba-chalk);
}

.page:not(.front) > main {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: clamp(56px, 9vw, 120px) var(--gutter) clamp(72px, 10vw, 136px);
  text-align: center;
}

.page:not(.front) h1 {
  margin: 0 0 22px;
  font-family: var(--oba-display);
  font-weight: 300;
  font-size: clamp(40px, 6.4vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.page:not(.front) h2 {
  margin: 0 0 10px;
  font-weight: 600;
  font-size: 19px;
  line-height: 1.3;
}

.page:not(.front) p {
  margin: 0 0 14px;
}

.lead {
  font-size: 19px;
  line-height: 1.5;
}

.page:not(.front) .lead {
  margin-bottom: 28px;
}

.quiet {
  color: var(--oba-steel);
  font-size: 15px;
}

.note,
.box {
  margin: 0 0 28px;
  padding: 24px 26px;
  background: var(--oba-surface-1);
  border: 1px solid var(--oba-border);
  border-radius: 12px;
}

.page:not(.front) .note p:last-child,
.page:not(.front) .box p:last-child {
  margin-bottom: 0;
}

.page:not(.front) .said {
  color: var(--oba-chalk);
  font-size: 18px;
  font-weight: 600;
}

form {
  display: grid;
  justify-items: center;
  gap: 14px;
  margin: 0 0 8px;
}

.field {
  display: grid;
  gap: 6px;
  width: 100%;
  max-width: 420px;
}

.field label {
  color: var(--oba-steel);
  font-size: 14px;
}

.field input {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  background: var(--oba-surface-1);
  border: 1px solid var(--oba-border);
  border-radius: 8px;
  color: var(--oba-chalk);
  font: 17px var(--oba-sans);
}

.field input:focus {
  outline: none;
}

.unseen {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.pick {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 420px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.pick legend {
  margin: 0 auto 6px;
  padding: 0;
  color: var(--oba-steel);
  font-size: 14px;
}

.pick input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.pick label:has(input:checked) {
  background: var(--oba-surface-2);
}


.facts {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 16px;
  margin: 16px 0 0;
  text-align: left;
}

.facts dt {
  color: var(--oba-steel);
}

.facts dd {
  margin: 0;
  font-family: var(--oba-mono);
  font-size: 13px;
  overflow-wrap: anywhere;
}

code {
  font-family: var(--oba-mono);
  font-size: 0.92em;
}

@media (max-width: 1100px) {
  :root {
    --ob-w: 320px;
  }

  .ob-lift {
    width: min(620px, calc(100% - 24px));
  }

  .lift-box {
    font-size: 19px;
  }

  .acad-canvas .viewcube,
  .acad-canvas .navbar {
    display: none;
  }

  .acad-canvas .plan-box {
    left: 50%;
    width: calc(100% - 36px);
  }
}

@media (max-width: 760px) {
  :root {
    --bar-h: 56px;
  }

  .stage {
    padding: 0 0 6px;
  }

  .acad {
    --narrow: 0.9;
    width: calc(100% - 12px);
    grid-template-rows: 30px auto minmax(0, 1fr);
    border-radius: 6px;
  }

  .qat,
  .acad-win,
  .rb-panels,
  .acad-status,
  .acad-cmd,
  .cmd-said {
    display: none;
  }

  .acad-bar {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .acad-body {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 40fr) minmax(0, 60fr);
  }

  .ob {
    border-left: 0;
    border-top: 1px solid var(--ws-line);
  }

  .acad-canvas .plan-box {
    top: 8px;
    left: 50%;
    width: calc(100% - 16px);
    height: calc(100% - 16px);
  }

  .acad-canvas .ucs {
    bottom: 8px;
    width: 30px;
    height: 30px;
  }

  .ob-log {
    padding: 0 10px 4px;
  }

  .ob-foot {
    padding: 6px 10px 8px;
  }

  .ob-lift {
    left: 8px;
    right: 8px;
    bottom: 46px;
    width: auto;
    transform-origin: 50% 100%;
  }

  .lift-box {
    gap: 10px;
    padding: 12px 10px 12px 14px;
    font-size: 16px;
  }

  .lift-send {
    width: 30px;
    height: 30px;
  }
}