/* 04st public site.
   Concept: a work-order sheet. Quiet cool-grey paper, graphite type, one chalk-line blue.
   The photographs carry all the colour. Mono labels are the paperwork. */
:root {
  --paper: #ebebe7;
  --ink: #15171b;
  --muted: #666a72;
  --line: rgba(21, 23, 27, .16);
  --chalk: #2547d0;
  --tile: #dcdcd7;
  --display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --sans: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #101215; --ink: #e8e7e3; --muted: #8b9096;
    --line: rgba(232, 231, 227, .18); --chalk: #86a0ff; --tile: #1a1d21;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 1rem/1.6 var(--sans);
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
img { display: block; max-width: 100%; }
a { color: inherit; }
a:focus-visible, button:focus-visible, .strip:focus-visible { outline: 2px solid var(--chalk); outline-offset: 3px; }
.label { font: 400 .72rem/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

/* ------------------------------------------------------------ index */
.home .top, .home main, .home .foot { max-width: 78rem; margin-inline: auto; }
.top { display: flex; align-items: baseline; justify-content: space-between; padding-block: 1.4rem; border-bottom: 1px solid var(--line); }
.mark { font: 700 1.5rem/1 var(--display); letter-spacing: -.02em; text-decoration: none; }

.intro { display: grid; gap: 2rem 4rem; padding-block: clamp(2.5rem, 8vw, 6rem); grid-template-columns: 1fr; }
.intro h1 { margin: 0; font: 700 clamp(2.6rem, 8vw, 5.6rem)/.96 var(--display); letter-spacing: -.035em; text-wrap: balance; }
.prose { max-width: 42ch; }
.prose p { margin: 0 0 1rem; color: var(--ink); }
.prose p:first-child { font-weight: 500; }
@media (min-width: 900px) {
  .intro { grid-template-columns: 1.25fr 1fr; align-items: end; }
}

.work h2 { margin: 0 0 1.2rem; padding-top: 1rem; border-top: 1px solid var(--ink); }
.grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 2.4rem 1.4rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr)); }
.card { display: block; text-decoration: none; }
.frame { display: block; aspect-ratio: 1 / 1; overflow: hidden; background: var(--tile); }
.frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .frame img { transform: scale(1.025); }
.meta { display: grid; gap: .25rem; padding-top: .8rem; }
.name { font: 700 1.3rem/1.15 var(--display); letter-spacing: -.015em; }
.name small { display: block; margin-bottom: .35rem; font: 400 .72rem/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.blurb { color: var(--muted); font-size: .92rem; line-height: 1.45; max-width: 36ch; }
.empty { color: var(--muted); }
.foot { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 5rem; padding-block: 1.4rem calc(2rem + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); }

/* ----------------------------------------------------------- viewer */
body.viewer {
  background: #0d0e10; color: #ece9e3; overflow: hidden; height: 100%;
  padding-left: 0; padding-right: 0;
}
html:has(body.viewer) { height: 100%; }
.strip {
  position: fixed; inset: 0; display: flex; overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory; overscroll-behavior-x: contain; scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.strip::-webkit-scrollbar { display: none; }
.slide { position: relative; flex: 0 0 100%; height: 100%; scroll-snap-align: start; scroll-snap-stop: always; overflow: hidden; background: #0d0e10; }
.slide img { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; -webkit-user-drag: none; user-select: none; }
.slide.cover img { object-fit: cover; }
.slide.contain img { object-fit: contain; }
.slide.contain { background: #000; }

.viewer .cap {
  position: absolute; left: 0; right: 0; bottom: 0; pointer-events: none;
  padding: 4rem max(20px, env(safe-area-inset-left, 0px)) calc(3.4rem + env(safe-area-inset-bottom, 0px));
  background: linear-gradient(to top, rgba(13,14,16,.7), rgba(13,14,16,0));
}
.viewer .cap span { font-size: .9rem; opacity: .88; max-width: 48ch; display: block; }

.opener {
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 max(24px, env(safe-area-inset-left, 0px)) calc(5.5rem + env(safe-area-inset-bottom, 0px));
}
.opener h1 { margin: 0; font: 700 clamp(3rem, 12vw, 8rem)/.92 var(--display); letter-spacing: -.035em; text-wrap: balance; }
.opener h1 small { display: block; margin-bottom: 1rem; font: 400 .9rem/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: #a8a49c; }
.opener p { margin: 1.3rem 0 0; max-width: 36ch; color: #a8a49c; line-height: 1.5; }
.slide.first::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 75%; background: linear-gradient(to top, rgba(13,14,16,.88), rgba(13,14,16,0)); pointer-events: none; }
.slide.first > h1, .slide.first > p, .slide.first > .hint { position: relative; z-index: 1; text-shadow: 0 1px 18px rgba(0,0,0,.35); }
.slide.first > h1 { font-size: clamp(2.6rem, 9vw, 6rem); }
.hint { margin-top: 2rem; display: flex; align-items: center; gap: .8rem; font: 400 .72rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.hint i { display: block; width: 3rem; height: 1px; background: currentColor; }

.back {
  position: fixed; z-index: 5; text-decoration: none;
  top: calc(1rem + env(safe-area-inset-top, 0px)); left: max(20px, env(safe-area-inset-left, 0px));
  font: 400 .72rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: #ece9e3;
  padding: .6rem .7rem; margin: -.6rem -.7rem; mix-blend-mode: difference;
}
.hud {
  position: fixed; left: 0; right: 0; bottom: 0; pointer-events: none; display: flex; align-items: center; gap: 1rem;
  padding: 0 max(20px, env(safe-area-inset-left, 0px)) calc(1.1rem + env(safe-area-inset-bottom, 0px));
  font: 400 .72rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; font-variant-numeric: tabular-nums;
}
.bar { flex: 1; height: 1px; background: rgba(236,233,227,.25); position: relative; }
.bar i { position: absolute; left: 0; top: -.5px; height: 2px; width: 0; background: #ece9e3; transition: width .25s ease; }
.count { min-width: 6.5ch; text-align: right; }

.nav { display: none; position: fixed; top: 0; bottom: 0; width: 14%; background: none; border: 0; padding: 0; cursor: pointer; color: #ece9e3; font: 400 2.4rem var(--display); opacity: 0; transition: opacity .2s ease; }
.nav.prev { left: 0; text-align: left; padding-left: 1.2rem; }
.nav.next { right: 0; text-align: right; padding-right: 1.2rem; }
@media (hover: hover) and (pointer: fine) {
  .nav { display: block; }
  .nav:hover, .nav:focus-visible { opacity: .9; }
  .nav[disabled] { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .frame img, .bar i, .nav { transition: none; }
  .card:hover .frame img { transform: none; }
}