/* Sketch K, the canvas */
:root {
  --ground: #ECEAE5;
  --card: #F7F6F3;
  --ink: #161615;
  --ink-2: #4F4D49;
  --ink-3: #8B8882;
  --hair: #16161526;
  --dot: #16161538;
  --accent: #2E44E6;
  --on-image: #FFFFFF;
  --serif: 'Instrument Serif', 'Sitka Display', Georgia, serif;
  --sans: 'Geist', Inter, 'Segoe UI', system-ui, sans-serif;
  --mono: 'Geist Mono', 'Cascadia Mono', Consolas, ui-monospace, monospace;
  --side: 56px;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --ground: #121211;
  --card: #1B1B1A;
  --ink: #ECEAE5;
  --ink-2: #B4B1AA;
  --ink-3: #7A7771;
  --hair: #ECEAE526;
  --dot: #ECEAE52E;
  --accent: #8A98FF;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { background: var(--ground); }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 400 15px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
button { font: inherit; color: inherit; }

#track { width: 1px; }

/* ---------------------------------------------------------------- stage */
#stage {
  position: fixed; inset: 0;
  overflow: hidden;
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(.2, .7, .2, 1);
  user-select: none;
  cursor: grab;
}
body.ready #stage { opacity: 1; }
body.dragging #stage { cursor: grabbing; }
#stage canvas { position: absolute; left: 0; top: 0; }
#ui { position: absolute; inset: 0; pointer-events: none; }

/* labels above every picture: constant size, like a tool's */
.lab {
  position: absolute; left: 0; top: 0;
  display: flex; justify-content: space-between; align-items: baseline;
  font: 500 10.5px/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
  overflow: hidden;
  opacity: 0;
  will-change: transform, opacity;
}
.lab i { font-style: normal; color: var(--ink-3); margin: 0 .6em; }
.lab-l { display: flex; align-items: baseline; }
.lab-l > span:last-child { color: var(--ink-3); }
.lab-r { color: var(--ink-3); padding-left: 16px; }
.lab.narrow .lab-r { display: none; }
.tag {
  display: inline-block;
  font: 500 9.5px/1 var(--mono);
  letter-spacing: .08em;
  color: var(--accent);
  border: 1px solid currentColor;
  padding: 2px 4px 2px 5px;
  margin-right: 9px;
  border-radius: 2px;
  transform: translateY(-1px);
}

/* operator cards live on the canvas and scale with it (world px) */
.op {
  position: absolute; left: 0; top: 0;
  width: 500px;
  transform-origin: 0 0;
  background: var(--card);
  border: 1px solid var(--hair);
  padding: 28px 32px 30px;
  pointer-events: auto;
  cursor: default;
  user-select: text;
}
.op header {
  display: flex; align-items: center; gap: 14px;
  font: 500 22px/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.op header .tag { font-size: 16px; padding: 4px 6px 3px 7px; margin: 0; transform: none; }
.op .st {
  width: 11px; height: 11px; border-radius: 50%;
  border: 1.5px solid var(--ink);
  flex: none;
}
.op.busy .st { border-color: var(--accent); background: var(--accent); animation: beat 1s ease-in-out infinite; }
.op.done .st { background: var(--ink); }
@keyframes beat { 50% { opacity: .35; } }
.op .sv { margin-left: auto; color: var(--ink-3); font-size: 18px; letter-spacing: .08em; }
.op .prog { height: 2px; background: var(--hair); margin: 24px -32px 26px; overflow: hidden; }
.op .prog i { display: block; height: 100%; background: var(--accent); transform-origin: 0 50%; transform: scaleX(0); }
.op.done .prog i { background: var(--ink); opacity: .35; }
.op p { font: 400 31px/1.28 var(--sans); letter-spacing: -.01em; margin: 0 0 26px; color: var(--ink); text-wrap: pretty; }
.op .seg { display: flex; border: 1px solid var(--ink); }
.op .seg button {
  flex: 1; padding: 15px 10px 14px; user-select: none;
  font: 450 24px/1 var(--sans);
  background: transparent; border: 0; color: var(--ink-2);
  cursor: pointer;
  transition: background .25s, color .25s;
}
.op .seg button + button { border-left: 1px solid var(--ink); }
.op .seg button:hover { color: var(--ink); background: var(--hair); }
.op .seg button.on { background: var(--ink); color: var(--card); }
.op .play { display: flex; align-items: center; gap: 20px; }
.op .pp {
  width: 64px; height: 64px; flex: none;
  border: 1px solid var(--ink); background: transparent; cursor: pointer;
  display: grid; place-items: center;
}
.op .pp span { width: 0; height: 0; border-style: solid; border-width: 11px 0 11px 18px; border-color: transparent transparent transparent var(--ink); margin-left: 5px; }
.op .pp.on span { width: 16px; height: 20px; border: 0; border-left: 5px solid var(--ink); border-right: 5px solid var(--ink); margin: 0; }
.op .tc { font: 400 21px/1 var(--mono); color: var(--ink-2); min-width: 9.5em; }
.op .bar { flex: 1; height: 2px; background: var(--hair); overflow: hidden; }
.op .bar i { display: block; height: 100%; background: var(--accent); transform-origin: 0 50%; transform: scaleX(0); }
.op dl {
  display: grid; grid-template-columns: auto 1fr; gap: 9px 24px;
  font: 400 20px/1.25 var(--mono);
  margin: 26px 0 0; padding-top: 22px;
  border-top: 1px solid var(--hair);
}
.op dt { color: var(--ink-3); text-transform: uppercase; letter-spacing: .08em; }
.op dd { margin: 0; color: var(--ink-2); }
.op.tiny > :not(header) { visibility: hidden; }
.op.dock { padding: 26px 30px 30px; }
.op.dock > p, .op.dock > dl { display: none; }
.op.dock.noctl > p { display: block; margin: 0; }
.op.dock .prog { margin: 22px -30px 24px; }

/* live pages sit over their node, at the node's size, and turn under the hand */
div.live { position: absolute; left: 0; top: 0; transform-origin: 0 0; overflow: hidden; pointer-events: auto; opacity: 0; transition: opacity .6s; }
div.live iframe { display: block; border: 0; background: transparent; }

/* the contact output, and the empty input before it */
.card, .drop { position: absolute; left: 0; top: 0; transform-origin: 0 0; }
.card {
  width: 980px; height: 520px;
  padding: 54px 64px 50px;
  background: var(--ink); color: var(--ground);
  display: flex; flex-direction: column; justify-content: space-between;
  pointer-events: auto;
}
.card .k, .card .f { font: 400 21px/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; margin: 0; opacity: .6; }
.card a { font: 400 92px/1.04 var(--serif); letter-spacing: -.01em; text-decoration: none; color: var(--ground); display: block; }
.card a:hover { font-style: italic; }
.drop {
  width: 760px; height: 430px;
  border: 2px dashed var(--ink-3);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
}
.drop p { font: 400 58px/1.05 var(--serif); color: var(--ink-2); margin: 0; }
.drop span { font: 400 20px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-top: 26px; }

/* column titles, written on the canvas */
.ctitle {
  position: absolute; left: 0; top: 0;
  transform-origin: 0 0;
  font: 400 330px/.9 var(--serif);
  letter-spacing: -.015em;
  color: var(--ink);
  white-space: nowrap;
  visibility: hidden;
}
.ctitle span { font: 500 46px/1 var(--mono); letter-spacing: .12em; color: var(--ink-3); vertical-align: top; margin-right: 34px; position: relative; top: 26px; }

/* ---------------------------------------------------------------- chrome */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  height: 76px; padding: 0 var(--side);
  display: flex; align-items: center; gap: 40px;
  pointer-events: none;
}
#nav > * { pointer-events: auto; }
#brand { display: flex; align-items: center; gap: 14px; text-decoration: none; margin-right: auto; }
#brand .mark {
  width: 25px; height: 25px; background: currentColor;
  -webkit-mask: url(media/bohaus-mark.png) center / contain no-repeat;
  mask: url(media/bohaus-mark.png) center / contain no-repeat;
}
#brand .word { font: 400 13px/1 var(--sans); letter-spacing: .48em; margin-right: -.48em; }
#nav nav { display: flex; gap: 34px; }
#nav nav a { font: 400 13.5px/1 var(--sans); text-decoration: none; color: var(--ink-2); padding: 8px 0; position: relative; transition: color .3s; }
#nav nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: 0 50%; transition: transform .45s cubic-bezier(.2, .7, .2, 1); }
#nav nav a:hover, #nav nav a.on { color: var(--ink); }
#nav nav a.on::after { transform: scaleX(1); }
#theme { width: 28px; height: 28px; border: 1px solid var(--ink-3); border-radius: 50%; background: transparent; cursor: pointer; padding: 0; display: grid; place-items: center; }
#theme span { width: 12px; height: 12px; border-radius: 50%; background: linear-gradient(90deg, var(--ink) 50%, transparent 50%); border: 1px solid var(--ink); }

/* the hero: the first output fills the right of the screen; its words sit on the canvas */
#hero {
  position: fixed; left: var(--side); top: 0; bottom: 0; z-index: 10;
  width: calc(41vw - 2 * var(--side));
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 0 54px;
  color: var(--ink);
  pointer-events: none;
}
#hero .k { font: 500 10.5px/1.5 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 auto; padding-top: 128px; }
#hero h1 { font: 400 clamp(52px, 6.1vw, 104px)/.93 var(--serif); letter-spacing: -.022em; margin: 0 0 28px; }
#hero h1 em { font-style: italic; }
#hero .b { font: 400 16px/1.55 var(--sans); color: var(--ink-2); max-width: 27em; margin: 0 0 34px; }
#hero .cue { font: 500 10.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); display: flex; align-items: center; gap: 12px; margin: 0; }
#hero .cue span { width: 1px; height: 26px; background: currentColor; transform-origin: 50% 0; animation: cue 2.4s cubic-bezier(.6, 0, .2, 1) infinite; }
@keyframes cue { 0% { transform: scaleY(0); } 45% { transform: scaleY(1); transform-origin: 50% 0; } 55% { transform: scaleY(1); transform-origin: 50% 100%; } 100% { transform: scaleY(0); transform-origin: 50% 100%; } }

/* captions: one per stop */
#cap { position: fixed; left: var(--side); bottom: 46px; z-index: 10; width: min(600px, 44vw); pointer-events: none; }
.cap { position: absolute; left: 0; bottom: 0; width: 100%; opacity: 0; transform: translateY(10px); transition: opacity .55s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1); }
.cap.on { opacity: 1; transform: none; }
.cap .k { font: 500 10.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 14px; }
.cap h2 { font: 400 clamp(36px, 3.9vw, 58px)/1 var(--serif); letter-spacing: -.015em; margin: 0 0 14px; color: var(--ink); text-wrap: balance; }
.cap .b { font: 400 15px/1.5 var(--sans); color: var(--ink-2); margin: 0; max-width: 34em; }

/* the depth ruler: one tick per stop, the marker is the camera */
#ruler { position: fixed; right: var(--side); top: 50%; z-index: 10; height: min(46vh, 420px); transform: translateY(-50%); transition: opacity .6s; }
#ruler ol { list-style: none; margin: 0; padding: 0; height: 100%; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--hair); }
#ruler li { position: relative; height: 1px; }
#ruler li button { position: absolute; right: 0; top: -7px; height: 15px; width: 64px; border: 0; padding: 0; background: transparent; cursor: pointer; display: flex; align-items: center; justify-content: flex-end; }
#ruler li button::after { content: ''; width: 9px; height: 1px; background: var(--ink-3); transition: width .3s, background .3s; }
#ruler li.on button::after { width: 18px; background: var(--ink); }
#ruler li button span { font: 500 9.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-right: 14px; white-space: nowrap; }
#ruler .mk { position: absolute; right: -4px; top: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
#hud { position: absolute; right: 0; top: calc(100% + 18px); font: 500 9.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin: 0; white-space: nowrap; }
body.on-hero #cap, body.early #ruler { opacity: 0; }
body.on-hero #nav nav a { color: #161615; }
body.on-hero #theme { border-color: #161615; }
body.on-hero #theme span { border-color: #161615; background: linear-gradient(90deg, #161615 50%, transparent 50%); }
@media (max-width: 760px) { body.on-hero #brand { color: #161615; } }

@media (max-width: 760px) {
  :root { --side: 16px; }
  #nav { height: 60px; }
  #nav nav { display: none; }
  #hero { top: 54vh; width: auto; right: var(--side); padding-bottom: 28px; }
  #hero .k { padding-top: 22px; }
  #hero h1 { font-size: 46px; margin-bottom: 16px; }
  #hero .b { font-size: 14.5px; margin-bottom: 18px; }
  #cap { width: auto; right: var(--side); bottom: 24px; }
  .cap h2 { font-size: 34px; }
  .cap .b { font-size: 14px; }
  #ruler { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  #hero .cue span { animation: none; }
}

/* a place on a plan: follows the view its workflow shows */
.pin { position: absolute; left: 0; top: 0; width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 3px var(--ground); pointer-events: none; opacity: 0; z-index: 2; }
.pin::after { content: ''; position: absolute; inset: -9px; border-radius: 50%; border: 1px solid var(--accent);
  animation: pin 2.4s ease-out infinite; }
@keyframes pin { from { transform: scale(.4); opacity: .9; } to { transform: scale(1.5); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .pin::after { animation: none; opacity: .5; } }

/* the landing: the logo sting over everything, then a fade into the page (the sting's paper is a shade darker than
   --ground, with a vignette; the background is its edge colour). It fills the screen: on a phone the empty sides go and
   the mark, in the middle of the frame, fills most of the width */
#intro { position: fixed; inset: 0; z-index: 1000; transition: opacity 1.2s ease;
  /* the sting's paper (light in the middle, the vignette at the edges), so its fade-in does not brighten the screen */
  background: radial-gradient(ellipse 72% 80% at 56% 42%, rgb(227 224 220), rgb(214 211 206) 60%, rgb(203 199 193)); }
#intro video { width: 100%; height: 100%; object-fit: cover; display: block; }
#intro.out { opacity: 0; pointer-events: none; }
#intro .skip { position: absolute; right: var(--side, 24px); bottom: 26px; padding: 8px 0; background: none; border: 0; cursor: pointer;
  font: 400 11px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: rgb(30 30 28 / .5); }
#intro .skip:hover, #intro .skip:focus-visible { color: rgb(30 30 28 / .85); }