/* Shared styles for project case study pages. Tokens mirror the homepage. */
:root{
  --bg:#12131c;
  --heading:#dfe1ea;
  --body-text:#b2b7c6;
  --label:#6f7690;
  --divider:#262837;
  --strong:#eef0f6;
  --muted:#7d8399;
  --accent:#9b7bff;
  --glass-bg:rgba(255,255,255,0.08);
  --glass-border:rgba(255,255,255,0.14);
  --glass-indicator:rgba(255,255,255,0.16);
  --glass-shadow:rgba(0,0,0,0.35);
  --media-bg:rgba(255,255,255,0.04);
  --phone-body:#1c1d24;
  --phone-edge:rgba(255,255,255,0.1);
  --control-bg:rgba(18,19,28,0.62);
  --float-edge:rgba(255,255,255,0.22);
}
:root[data-theme="light"]{
  --bg:#f6f5fb;
  --heading:#211f2e;
  --body-text:#5a5a6e;
  --label:#8b88a3;
  --divider:#e2e0ee;
  --strong:#211f2e;
  --muted:#87849c;
  --accent:#7c4dff;
  --glass-bg:rgba(255,255,255,0.55);
  --glass-border:rgba(124,77,255,0.18);
  --glass-indicator:rgba(124,77,255,0.14);
  --glass-shadow:rgba(124,77,255,0.18);
  --media-bg:rgba(124,77,255,0.05);
  --phone-body:#24252d;
  --phone-edge:rgba(255,255,255,0.08);
  --control-bg:rgba(18,19,28,0.55);
  --float-edge:rgba(0,0,0,0.12);
}
*{margin:0;padding:0;box-sizing:border-box;}
body{
  min-height:100vh;
  background:var(--bg);
  color:var(--body-text);
  font-family:'DM Sans',sans-serif;
  -webkit-font-smoothing:antialiased;
  transition:background-color 0.35s ease, color 0.35s ease;
}

.case{
  max-width:1400px;
  margin:0 auto;
  padding:48px 60px 160px;
}

h1{
  font-family:var(--font-title);
  font-weight:500;
  font-size:clamp(28px,3vw,36px);
  line-height:1.2;
  color:var(--heading);
  margin:72px 0 44px;
}

.case-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.9fr);
  gap:clamp(40px, 6vw, 96px);
  align-items:start;
}
/* The work column is a size container: phones and other fixed-size media scale to it (cqi),
   so nothing ever spills across the gap into Details. */
.right{container:work / inline-size;}

/* Description stays put while the work scrolls past on the right,
   but only on screens tall enough to show all of it. */
@media (min-height:860px){
  .left{
    position:sticky;
    top:96px;
  }
}
/* Title copy that site.js pins above Details once the h1 scrolls under the header.
   Collapsed it takes no space; open, it pushes Details down while the title flies in. */
.pinned-title{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows 0.52s cubic-bezier(.2,.75,.25,1);
}
.pinned-title-inner{min-height:0;}
.pinned-title-text{
  font-family:var(--font-title);
  font-weight:500;
  font-size:clamp(28px,3vw,36px); /* same size as the h1 */
  line-height:1.2;
  color:var(--heading);
  padding-bottom:28px;
  opacity:0;
  pointer-events:none;
}
.is-title-pinned .pinned-title{grid-template-rows:1fr;}
.is-title-pinned .pinned-title-text{opacity:1;}
.is-title-pinned > h1{opacity:0;}

/* Collapsible Details: the label is a button with a caret; open by default. */
.collapse-toggle{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  padding:0;
  border:none;
  background:none;
  text-align:left;
  cursor:pointer;
  transition:color 0.15s ease;
}
.collapse-toggle:hover{color:var(--accent);}
.collapse-toggle .caret{
  width:14px;
  height:14px;
  fill:none;
  stroke:currentColor;
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
  transition:transform 0.3s cubic-bezier(.4,0,.2,1);
}
.is-collapsed .collapse-toggle .caret{transform:rotate(-90deg);}
.collapse-body{
  display:grid;
  grid-template-rows:1fr;
  transition:grid-template-rows 0.3s cubic-bezier(.4,0,.2,1);
}
.collapse-inner{
  min-height:0;
  overflow:hidden;
  transition:opacity 0.25s ease;
}
.is-collapsed .collapse-body{grid-template-rows:0fr;}
.is-collapsed .collapse-inner{opacity:0;}

@media (prefers-reduced-motion:reduce){
  .pinned-title, .collapse-body, .collapse-inner, .collapse-toggle .caret{transition:none;}
}

.left section{margin-bottom:48px;}
.left section:last-child{margin-bottom:0;}

.section-label{
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;
  font-weight:500;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--label);
  margin-bottom:10px;
}
.section-rule{
  border:none;
  border-top:1px solid var(--divider);
  margin-bottom:18px;
}

.bio p{
  font-size:17px;
  line-height:1.7;
  max-width:560px;
  margin-bottom:24px;
  color:var(--strong);
}
.bio p:last-child{margin-bottom:0;}

.dot-row{
  display:flex;
  align-items:baseline;
  font-family:'IBM Plex Mono',monospace;
  font-weight:600;
  font-size:15px;
  color:var(--strong);
  padding:5px 0;
}
.dot-row .name{white-space:nowrap;}
.dot-row .dots{
  flex:1;
  overflow:hidden;
  position:relative;
  height:1.2em;
  margin:0 6px;
}
.dot-row .dots::after{
  content:".................................................................................................................";
  position:absolute;
  left:0;
  top:0;
  white-space:nowrap;
  color:var(--muted);
  font-weight:400;
  letter-spacing:2px;
}
.dot-row .date{
  white-space:nowrap;
  color:var(--muted);
  font-weight:400;
}
/* A detail with several values (years, status steps, launch links) stacks them on the right. */
.dot-row .values{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:4px;
  text-align:right;
}
.dot-row .values > *{white-space:nowrap;}
/* Narrow panel: site.js adds .is-stacked when the longest row no longer fits on one line,
   and every row then puts its value under its name. */
.is-stacked .dot-row{
  flex-direction:column;
  align-items:flex-start;
  gap:2px;
  padding:7px 0;
}
.is-stacked .dot-row .dots{display:none;}
.is-stacked .dot-row .date,
.is-stacked .dot-row .values > *{white-space:normal;}
.is-stacked .dot-row .values{align-items:flex-start;text-align:left;}
.dot-row .values a{color:var(--muted);text-decoration:none;transition:color 0.15s ease;}
.dot-row .values a:hover{color:var(--accent);}
a.date{
  text-decoration:none;
  transition:color 0.15s ease;
}
a.date:hover{color:var(--accent);}

/* Work column: a stack of media and notes. Drop an <img> or <video> inside .media to replace the placeholder label. */
.work > * + *{margin-top:24px;}
.work > .bio{margin:48px 0;}
figure{margin:0;}
.media{
  position:relative;
  aspect-ratio:16 / 9;
  border-radius:12px;
  overflow:hidden;
  background:var(--media-bg);
  border:1px dashed var(--divider);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--label);
}
.media:has(img, video){border:none;aspect-ratio:auto;}
.media img, .media video{
  width:100%;
  height:auto;
  display:block;
}
figcaption{
  margin-top:10px;
  font-family:'IBM Plex Mono',monospace;
  font-size:12px;
  color:var(--muted);
}

/* Long-form case studies: a stack of sections, each a label, copy, and media. */
.story > section + section,
.story > section + .work{margin-top:96px;}
/* Hero image slot under the Project Overview copy. Until there's an image it shows as a dashed placeholder. */
.story .hero .media{aspect-ratio:16 / 9;}
.story .copy p{
  font-size:17px;
  line-height:1.7;
  color:var(--strong);
  margin-bottom:24px;
}
.story .copy p:last-child{margin-bottom:0;}
.story .copy b{font-weight:600;}
/* Breathing room inside a section: media sits well clear of the copy above it, and of other
   media. Figures inside rows and grids add no margin of their own. */
.story figure{margin-top:0;}
.story section > .copy + *{margin-top:clamp(28px, 3vw, 40px);}
.story section > :not(.section-label, .section-rule, .copy) + :not(.copy){margin-top:32px;}
.shot img{
  display:block;
  width:100%;
  height:auto;
  border-radius:12px;
}
.shot.is-natural img{
  width:var(--w);
  max-width:100%;
  margin:0 auto;
  border-radius:0;
}

/* Floating cut-out (no background of its own): a faint edge and soft shadow so it reads on either theme. */
.shot.is-floating img{
  filter:drop-shadow(0 0 1px var(--float-edge)) drop-shadow(0 10px 24px rgba(0,0,0,0.18));
}

/* Bare phone screens in a row, filling the column. */
.screens{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
.screens img{display:block;width:100%;height:auto;}

/* Screenshot grid, two across. */
.tiles{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.tiles img{display:block;width:100%;height:auto;border-radius:8px;}

/* Minimal phone: dark body, even bezel, rounded screen. Sizes scale off --pw. */
.phones{
  --gap:40px;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:var(--gap);
}
/* A pair always stays side by side, shrinking to share the column. */
.phones.is-pair{flex-wrap:nowrap;}
.phones.is-pair .phone{--pw:min(280px, (100cqi - var(--gap)) / 2);}
.phone{
  --pw:min(280px, 100cqi);
  position:relative;
  width:var(--pw);
  aspect-ratio:280 / 584;
  padding:calc(var(--pw) * 9 / 280);
  border-radius:calc(var(--pw) * 39 / 280);
  background:var(--phone-body);
  box-shadow:inset 0 0 0 1px var(--phone-edge);
}
.phone .screen{
  position:relative;
  width:100%;
  height:100%;
  border-radius:calc(var(--pw) * 30 / 280);
  overflow:hidden;
  background:#000;
}
.phone .screen img, .phone .screen video{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
/* Older 16:9 phone recordings (e.g. iPhone 8 era) get a shorter body so nothing is cropped. */
.phone.is-classic{aspect-ratio:280 / 484;}

/* Several phones in a row, each with a caption. */
.phone-row{
  --gap:24px;
  display:flex;
  justify-content:center;
  gap:var(--gap);
}
.phone-row figure{margin:0;}
.phone-row.is-trio .phone{--pw:min(220px, (100cqi - 2 * var(--gap)) / 3);}
.phone-row.is-quad .phone{--pw:min(168px, (100cqi - 3 * var(--gap)) / 4);}
/* Four across gets too small in a narrow column; go two by two. */
@container work (max-width:560px){
  .phone-row.is-quad{flex-wrap:wrap;}
  .phone-row.is-quad .phone{--pw:calc((100cqi - var(--gap)) / 2);}
}
.phone-row figcaption, .formats figcaption{text-align:center;}

/* Ad formats side by side, captioned. */
.formats{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:24px;
  align-items:center;
}
.formats figure{margin:0;}
.formats img{display:block;width:100%;height:auto;border-radius:8px;}

/* Wider-than-phone footage: show it whole, letterboxed top and bottom. */
.phone .screen.is-contain video{object-fit:contain;}
/* A bigger phone for older 16:9 recordings shown whole on a modern-height device, letterboxed in black. */
.phones.is-large .phone{--pw:min(330px, 100cqi);}

/* Three across (TV screenshots), and a pair of captioned videos. */
.tiles.is-trio{grid-template-columns:repeat(3, minmax(0, 1fr));}
.formats.is-pair{grid-template-columns:repeat(2, minmax(0, 1fr));align-items:start;}
.formats.is-flow{align-items:start;}
.formats .media{border-radius:8px;}

/* Step-by-step funnels, side by side. The step that differs is highlighted. */
.funnel{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:16px;
}
.funnel-col{
  border:1px dashed var(--divider);
  border-radius:12px;
  padding:24px;
}
.funnel-label{
  font-family:'IBM Plex Mono',monospace;
  font-size:11px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--label);
  margin-bottom:16px;
}
.funnel ol{list-style:none;}
.funnel li{
  font-size:16px;
  line-height:1.5;
  color:var(--strong);
}
.funnel li + li{margin-top:10px;}
.funnel li + li::before{content:"\2192\00a0\00a0";color:var(--muted);}
.funnel li.is-new{color:var(--accent);}

/* Minimal tablet, same body as the phone. Paired with a phone at matching height. */
.tablet{
  padding:9px;
  border-radius:22px;
  background:var(--phone-body);
  box-shadow:inset 0 0 0 1px var(--phone-edge);
}
.tablet .screen{
  position:relative;
  border-radius:14px;
  overflow:hidden;
  background:#000;
}
.tablet video{display:block;width:100%;height:auto;}
.device-pair{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:24px;
}
.device-pair .phone{--pw:min(180px, 100cqi * 0.26);flex:none;}
.device-pair .tablet{flex:1;max-width:560px;}

/* Directions table: five columns on desktop, stacked cards on small screens. */
.matrix{
  border:1px dashed var(--divider);
  border-radius:12px;
  overflow:hidden;
}
.matrix-row{
  display:grid;
  grid-template-columns:1.05fr 1.3fr 1.2fr 1.3fr 1.1fr;
}
.matrix-row + .matrix-row{border-top:1px dashed var(--divider);}
.matrix-row > span{
  padding:16px 14px;
  font-size:13px;
  line-height:1.5;
  color:var(--body-text);
}
.matrix-row > span + span{border-left:1px dashed var(--divider);}
.matrix-row > span:first-child{color:var(--strong);font-weight:600;}
.matrix-head > span{
  font-family:'IBM Plex Mono',monospace;
  font-size:10px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--label);
  font-weight:500;
}
.matrix-head > span:first-child{color:var(--label);font-weight:500;}
.matrix-row.is-winner > span:last-child{color:var(--accent);}

/* Video controls added by players.js: hidden until hover or focus, shown while paused. */
[data-player]{position:relative;}
[data-player] video{cursor:pointer;}
.player-controls{
  position:absolute;
  right:12px;
  bottom:12px;
  display:flex;
  gap:6px;
}
.player-btn{
  width:30px;
  height:30px;
  border:none;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--control-bg);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  color:#eef0f6;
  cursor:pointer;
  opacity:0;
  transition:opacity 0.2s ease;
}
.player-btn svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.player-toggle svg path:only-child{fill:currentColor;}
[data-player]:hover .player-btn,
[data-player].is-paused .player-toggle,
.player-btn:focus-visible,
.player-sound{opacity:1;}
.phone .player-controls{right:14px;bottom:18px;}

a:focus-visible, button:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}

@media (max-width:860px){
  .case{padding:32px 28px 140px;}
  h1{margin:48px 0 32px;}
  .case-grid{grid-template-columns:1fr;gap:56px;}
  .left{position:static;}
  .story > section + section{margin-top:72px;}
  .phone{--pw:min(280px, 72vw);}
  .phones.is-pair{--gap:16px;}
  .dot-row .values > *{white-space:normal;}
  .screens{gap:10px;}
  .phone-row{flex-wrap:wrap;--gap:16px;}
  .formats{gap:10px;}
  .tiles{gap:10px;}
  .funnel{grid-template-columns:1fr;gap:10px;}
  .formats.is-pair{grid-template-columns:1fr;}
  .device-pair{gap:12px;}
  .tablet{padding:6px;border-radius:14px;}
  .tablet .screen{border-radius:9px;}
}

/* Directions table: stacked cards once its column is too narrow for five columns. */
@container work (max-width:640px){
  .matrix-head{display:none;}
  .matrix-row{grid-template-columns:1fr;padding:16px 0;}
  .matrix-row > span{padding:4px 18px;}
  .matrix-row > span + span{border-left:none;}
  .matrix-row > span:first-child{font-size:15px;padding-bottom:8px;}
  .matrix-row > span + span::before{
    content:attr(data-label);
    display:block;
    font-family:'IBM Plex Mono',monospace;
    font-size:10px;
    letter-spacing:0.12em;
    text-transform:uppercase;
    color:var(--label);
    margin:6px 0 2px;
  }
}

/* A desktop page beside its mobile version, at one shared height: each figure grows by its
   image's aspect ratio (--ratio, width / height). */
.page-pair{
  display:flex;
  align-items:flex-start;
  gap:16px;
}
.page-pair figure{
  flex:var(--ratio) 1 0;
  min-width:0;
  margin:0;
}
.page-pair img{display:block;width:100%;height:auto;border-radius:8px;}