/* ─────────────────────────────────────────────
   Case study pages — a reel pulled out of the tape and laid flat:
   a mono spec rail states the facts, the reading column carries the
   argument, plates show the work. Shared by every /work/* page.
   ───────────────────────────────────────────── */

.case main { padding: 0 var(--gutter); }

/* ── masthead ── */
.case-hero {
  position: relative; isolation: isolate; overflow: hidden;
  display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; align-items: center;
  min-height: 92svh; margin: 0 calc(var(--gutter) * -1);
  padding: 130px var(--gutter) 60px;
  border-bottom: 1px solid rgba(233,225,204,.15);
}
.case-hero::before { /* vignette over the ascii plate */
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse 80% 70% at 75% 45%, transparent 20%, rgba(10,9,8,.92) 85%);
}
.case-hero__ascii {
  position: absolute; z-index: -2; top: 0; bottom: 0; right: 4%; width: min(46vw, 620px);
  opacity: .22;
}
.case-back {
  position: absolute; top: 84px; left: var(--gutter);
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase; text-decoration: none; opacity: .7;
}
.case-back:hover { opacity: 1; color: var(--accent); }

.case-hero__text { grid-column: 1 / span 7; }
.case-eyebrow {
  display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0 0 22px;
  font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--sepia);
}
.case-eyebrow span:first-child { color: var(--accent); }
.case-hero h1 {
  margin: 0; font: 400 clamp(64px, 10vw, 150px)/.88 var(--f-display); letter-spacing: -.02em;
}
.case-hero h1 .script { display: block; font-size: 1.05em; line-height: .95; filter: url(#boil); }
.case-tagline { margin: 24px 0 0; max-width: 30ch; font: italic 400 clamp(22px, 2.6vw, 30px)/1.3 var(--f-display); color: rgba(233,225,204,.82); }
.case-deck { margin: 22px 0 0; max-width: 58ch; color: rgba(233,225,204,.78); }
.case-actions { display: flex; flex-wrap: wrap; gap: 14px 28px; margin: 30px 0 0; align-items: center; }
.btn--solid {
  border: 0; padding: 13px 18px; background: var(--bone); color: var(--ink);
}
.btn--solid:hover { background: var(--accent); color: var(--bone); }

.case-hero__icon {
  --r: 5deg;
  grid-column: 9 / span 3; justify-self: center; width: min(240px, 100%);
  margin: 0; padding: 12px 12px 10px;
  animation: jitter 1.4s steps(1) infinite;
}
.case-hero__icon img { width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; }
.case-hero__icon--free img { aspect-ratio: auto; max-height: 56vh; object-fit: contain; }
.case-hero__icon figcaption { margin-top: 8px; text-align: center; font-size: 24px; line-height: 1.1; color: var(--ink); }

.case-facts {
  grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 24px;
  margin: 40px 0 0; font-size: 13px; border-top: 1px dashed rgba(233,225,204,.3);
}
.case-facts div { padding: 12px 0; border-bottom: 1px dashed rgba(233,225,204,.3); }
.case-facts dt { color: var(--sepia); text-transform: uppercase; letter-spacing: .12em; font-size: 11px; margin-bottom: 4px; }
.case-facts dd { margin: 0; }

.case-hero__num {
  position: absolute; right: -2vw; bottom: -6vw; z-index: -1; pointer-events: none;
  font: 400 34vw/.8 var(--f-display); letter-spacing: -.04em;
  color: transparent; -webkit-text-stroke: 1px rgba(171,51,40,.4);
}

/* ── rows: spec rail + reading column ── */
.row {
  display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px;
  max-width: 1120px; margin: 0 auto; padding: 72px 0;
  border-top: 1px solid rgba(233,225,204,.12);
}
.case-hero + .row { border-top: 0; }
.rail {
  position: sticky; top: 90px; align-self: start;
  font: 12.5px/1.8 var(--f-mono); color: rgba(233,225,204,.55);
}
.rail__n { display: block; font: italic 400 40px/1 var(--f-display); color: var(--accent); margin-bottom: 14px; }
.rail b { display: block; margin-bottom: 10px; color: var(--bone); font-weight: 700; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.col { min-width: 0; }
.col h2 { margin: 0 0 22px; font: 400 clamp(34px, 4.4vw, 56px)/1.05 var(--f-display); letter-spacing: -.01em; text-wrap: balance; }
.col h3 {
  margin: 36px 0 10px; font: 600 13px/1.3 var(--f-sans); letter-spacing: .16em; text-transform: uppercase;
  display: flex; gap: 10px; align-items: baseline;
}
.col h3::before { content: "▸"; color: var(--accent); }
.col p { margin: 0 0 16px; max-width: 64ch; color: rgba(233,225,204,.86); }
.col > p:last-child { margin-bottom: 0; }
.caption { font: 12px/1.6 var(--f-mono) !important; color: var(--sepia) !important; letter-spacing: .04em; margin: 8px 0 24px !important; }

/* ── specimens ── */
.scale { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin: 22px 0 6px; }
.step {
  padding: 16px; background: var(--soot); background-image: var(--paper-tex); background-blend-mode: soft-light;
  border: 1px solid rgba(233,225,204,.14);
}
.step b { display: block; font: 400 24px/1.1 var(--f-display); margin-bottom: 8px; }
.step span { font: 11.5px/1.5 var(--f-mono); color: rgba(233,225,204,.6); }
.bar { height: 3px; background: rgba(233,225,204,.12); margin-top: 14px; }
.bar i { display: block; height: 100%; background: var(--accent); }

.markplate {
  display: grid; grid-template-columns: minmax(150px, 220px) 1fr; gap: 32px; align-items: center;
  margin: 8px 0 28px; padding: 26px;
  border: 1px solid rgba(233,225,204,.14); background: var(--soot);
}
.markplate__icon { --r: -3deg; margin: 0; padding: 10px; animation: jitter 2.4s steps(1) infinite; }
.markplate__icon img { width: 100%; height: auto; aspect-ratio: 1; }
.markplate__reading { margin: 0 !important; font: italic 400 clamp(20px, 2vw, 26px)/1.35 var(--f-display); color: var(--bone) !important; }

/* the app's own palette and type, shown as specimens on a receipt-white card */
.specimen { margin: 20px 0 24px; padding: 20px 22px 4px; background: var(--receipt); background-image: var(--paper-tex); color: var(--ink); }
.specimen .caption { color: rgba(20,18,16,.6) !important; margin: 6px 0 16px !important; }
.swatches { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { width: 48px; height: 48px; box-shadow: inset 0 0 0 1px rgba(0,0,0,.12); }

.typespec { margin: 24px 0 6px; padding: 22px 24px; border: 1px solid rgba(233,225,204,.14); background: #161519; }
.typespec div + div { margin-top: 18px; padding-top: 18px; border-top: 1px solid rgba(233,225,204,.1); }
.t-label { display: block; margin-bottom: 6px; font: 10.5px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: rgba(233,225,204,.5); }
.t-serif { font: 400 30px/1.2 "Forum", Georgia, serif; }
.t-sans  { font: 400 17px/1.4 "IBM Plex Sans", system-ui, sans-serif; }
.t-mono  { font: 400 15px/1.4 "IBM Plex Mono", monospace; font-variant-numeric: tabular-nums; }

/* ── plates ── */
.plates { display: grid; grid-template-columns: repeat(2, minmax(0, 300px)); gap: 28px; margin: 6px 0 0; }
.plate { position: relative; margin: 0; padding: 12px 12px 40px; background: var(--soot); border: 1px solid rgba(233,225,204,.16); box-shadow: 0 20px 40px rgba(0,0,0,.5); }
.plate img { width: 100%; height: auto; border-radius: 10px; }
.plate figcaption { position: absolute; left: 12px; bottom: 12px; font-size: 10.5px; letter-spacing: .12em; color: rgba(233,225,204,.65); }
.plate--single { width: min(300px, 100%); margin-top: 26px; }
.plate--offset { transform: translateY(40px) rotate(1.2deg); }
.plates + .caption { margin-top: 56px !important; }
.plate--wide { margin: 28px 0 8px; padding: 12px 12px 40px; }
.plate--wide img { border-radius: 2px; }
.plate--wide + .plate--single { margin-top: 24px; }
/* tall full-page captures scroll inside their plate instead of taking over the page */
.plate--scroll { margin: 28px 0 8px; padding: 12px 12px 40px; max-width: 560px; }
.plate__scroller { max-height: 70vh; overflow-y: auto; border-radius: 2px; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: var(--accent) transparent; }
.plate__scroller img { border-radius: 0; }
.plate__scroller:focus-visible { outline: 1px dashed var(--accent); outline-offset: 4px; }

.facts { list-style: none; padding: 0; margin: 6px 0 0; }
.facts li { padding: 14px 0; border-bottom: 1px dashed rgba(233,225,204,.25); max-width: 64ch; color: rgba(233,225,204,.86); }
.facts li:first-child { border-top: 1px dashed rgba(233,225,204,.25); }
.facts b { color: var(--bone); font-weight: 600; }

/* ── next reel ── */
.case-next { text-align: center; padding: 120px 0 110px; border-top: 1px solid rgba(233,225,204,.15); }
.case-next .mono { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--sepia); margin: 0; }
.case-next a { display: inline-block; margin: 18px 0 10px; font: 400 clamp(56px, 9vw, 120px)/1 var(--f-display); text-decoration: none; }
.case-next a .script { color: var(--sage); }
.case-next a:hover { color: var(--accent); }
.case-next__sub { opacity: .7; }

/* ── responsive ── */
@media (max-width: 900px) {
  .case-hero { min-height: 0; padding-top: 120px; }
  .case-hero__text, .case-hero__icon { grid-column: 1 / -1; }
  .case-hero__icon { justify-self: start; width: 170px; }
  .case-hero__ascii { width: 100%; right: 0; opacity: .14; }
  .case-facts { grid-template-columns: repeat(2, 1fr); }
  .row { grid-template-columns: 1fr; gap: 22px; padding: 56px 0; }
  .rail { position: static; }
  .rail__n { display: inline; font-size: 30px; margin-right: 10px; }
  .markplate { grid-template-columns: 1fr; }
  .markplate__icon { width: 160px; }
}
@media (max-width: 560px) {
  .case-back { top: 64px; }
  .case-facts { grid-template-columns: 1fr; }
  .plates { grid-template-columns: 1fr 1fr; gap: 14px; }
  .plate { padding: 8px 8px 32px; }
  .plate figcaption { font-size: 9px; left: 8px; bottom: 9px; }
  .plate--offset { transform: translateY(24px) rotate(1.2deg); }
}
/* three tall homepages side by side, each scrolling inside its own plate */
.plates--three { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; margin: 28px 0 34px; gap: 18px; }
.plates--three .plate--scroll { margin: 0; max-width: none; }
.plates--three .plate__scroller { max-height: 520px; }
.plates--three + .plates { margin-bottom: 70px; }
@media (max-width: 700px) {
  .plates--three { grid-template-columns: 1fr; }
  .plates--three .plate__scroller { max-height: 60vh; }
}
.plates--three .plate:not(.plate--scroll) { padding: 10px 10px 34px; }
.plates--three .plate img { border-radius: 2px; }
.plates--three .plate:not(.plate--scroll):nth-child(2) { transform: translateY(18px) rotate(.8deg); }
@media (max-width: 700px) { .plates--three .plate:not(.plate--scroll):nth-child(2) { transform: none; } }
/* a vertical film, sized like a phone held in the hand */
.plate--video { width: min(340px, 100%); margin: 28px 0 34px; }
.plate--video video { display: block; width: 100%; height: auto; aspect-ratio: 9 / 16; background: var(--void); }