/* The Atelier presentation. Uses the site's tokens and type (site.css loads first). One slide on screen at a time;
   slides cross-fade (opacity only) and each one scrolls natively if it is taller than the screen. Without JavaScript they stack. */

.deck-body { background: var(--bg); }
.js .deck-body { overflow: hidden; }
.deck { display: grid; grid-template-rows: auto 1fr auto; min-height: 100svh; }
.js .deck { height: 100svh; }

.deck-bar { display: flex; align-items: center; gap: 18px; padding: 12px var(--gutter); border-bottom: 1px solid var(--line); background: var(--bg); }
.deck-brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.deck-brand .mark { width: 34px; height: 34px; }
.deck-brand span { display: grid; font: 500 13px/1.2 var(--display); letter-spacing: 0.3em; text-transform: uppercase; }
.deck-brand small { font: 400 9.5px/1.3 var(--display); letter-spacing: 0.26em; color: var(--ink-3); }
.deck-count { margin-left: auto; font: 400 13px/1 var(--display); letter-spacing: 0.2em; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.deck-bar .themebtn { margin-left: 0; }
.deck-close { font: 500 11px/1 var(--display); letter-spacing: 0.24em; text-transform: uppercase; color: var(--ink-2); padding: 12px 0 12px 4px; }
.deck-close:hover { color: var(--accent); }

.deck-stage { position: relative; min-height: 0; touch-action: pan-y; }
.slide { outline: none; }
.js .slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 380ms var(--ease), visibility 0s linear 380ms; }
.js .slide[data-on] { opacity: 1; visibility: visible; transition: opacity 380ms var(--ease), visibility 0s; }
html:not(.js) .slide { border-bottom: 1px solid var(--line); }
.s-inner { height: 100%; overflow-y: auto; overscroll-behavior: contain; width: min(var(--max), 100%); margin: 0 auto; padding: clamp(26px, 4.5vh, 64px) var(--gutter) clamp(40px, 6vh, 72px); display: grid; align-content: safe center; gap: clamp(22px, 3.6vh, 44px); }
.s-head { display: grid; gap: 14px; justify-items: start; }
.s-head h1 { font-size: clamp(34px, 5.2vw, 84px); }
.s-head h2 { font-weight: 300; font-size: clamp(28px, 4vw, 60px); line-height: 1.08; letter-spacing: 0.08em; }
.s-body { display: grid; gap: clamp(20px, 3vh, 36px); min-width: 0; }
.s-num { position: absolute; right: var(--gutter); bottom: 14px; font: 400 11px/1 var(--display); letter-spacing: 0.2em; color: var(--ink-3); pointer-events: none; }
.js .s-num { display: none; }

.slide .statement { font-size: clamp(19px, 1.9vw, 28px); max-width: 32em; }
.d-split { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(26px, 4vw, 64px); align-items: center; }
.d-split.wide-media { grid-template-columns: 1fr 1.6fr; }
.d-text { display: grid; gap: 18px; justify-items: start; align-content: start; }
.d-text > p:not(.statement) { max-width: 52ch; }
.d-small, .d-hint { font-size: 14px; color: var(--ink-3); }
.d-lead { max-width: 70ch; font-size: clamp(16px, 1.3vw, 18px); }
.d-foot { margin-top: clamp(6px, 2vh, 20px); }

.d-media { display: grid; gap: 10px; min-width: 0; }
.d-media img { width: 100%; height: auto; border: 1px solid var(--line-2); background: #0b0b0c; }
.d-media figcaption { font-size: 13.5px; color: var(--ink-3); }

.d-rows { display: grid; width: 100%; border-top: 1px solid var(--line); }
.d-rows > div { display: grid; gap: 4px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.d-rows p { font-size: 15px; }
.d-cols { display: grid; grid-template-columns: repeat(var(--n, 3), 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.d-cols.c3 { --n: 3; }
.d-cols > div { display: grid; gap: 12px; align-content: start; padding: clamp(20px, 2.4vw, 30px); background: var(--box-bg); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.d-cols .box-n { justify-self: end; }
.d-cols p { font-size: 15px; }

.d-flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.d-flow li { display: grid; gap: 10px; align-content: start; padding: clamp(18px, 2vw, 26px); background: var(--box-bg); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.d-flow .box-n { justify-self: end; font-size: 30px; }
.d-flow p { font-size: 14.5px; }
.d-flow li.later { background: transparent; }

/* Cover: an empty sheet with the mark, drawn as vector. */
.cover-split { grid-template-columns: 1.1fr 1fr; }
.d-sheet { position: relative; aspect-ratio: 1.414 / 1; padding: 14px; border: 1px solid var(--line-2); background-color: var(--plan-bg); background-image: linear-gradient(var(--plan-grid) 1px, transparent 1px), linear-gradient(90deg, var(--plan-grid) 1px, transparent 1px); background-size: 24px 24px; }
.d-sheet-mark { height: 100%; display: grid; place-items: center; border: 1px solid var(--line-2); padding-bottom: 54px; }
.d-sheet-mark .mark { width: min(38%, 220px); height: auto; aspect-ratio: 1; color: var(--ink); }

.d-boards .board-slot { width: 100%; }
.d-studio { display: grid; grid-template-columns: 1fr 2fr; gap: clamp(26px, 4vw, 56px); align-items: center; }
.d-studio .status { white-space: normal; line-height: 1.4; }
.d-pairs { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(16px, 2vw, 26px); align-items: start; }
.d-pairs .big { grid-row: span 2; }
.d-pairs .pair figcaption span { font-size: 13px; }
.d-three { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 28px); }
.d-three .d-media img { aspect-ratio: 1024 / 940; object-fit: cover; background: #ececec; }

.d-ship { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(26px, 4vw, 64px); }
.d-col-h { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-bottom: 16px; }
.d-ship ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.d-ship li { padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 15.5px; color: var(--ink-2); }

.d-credits { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.d-credits li { display: grid; gap: 8px; align-content: start; padding: clamp(18px, 2.2vw, 28px); background: var(--box-bg); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.d-credits h3 a.inline { border-bottom-width: 1px; }
.d-credits p { font-size: 15px; }

.d-get { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.d-get > div { display: grid; gap: 12px; align-content: start; justify-items: start; padding: clamp(18px, 2vw, 26px); background: var(--box-bg); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.d-get p { font-size: 14.5px; }
.d-get .btn { max-width: 100%; overflow-wrap: anywhere; }

.deck-nav { display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 18px; padding: 10px var(--gutter); border-top: 1px solid var(--line); background: var(--bg); }
html:not(.js) .deck-nav, html:not(.js) .deck-count { display: none; }
.deck-btn { min-height: 44px; padding: 0 18px; border: 1px solid var(--line-2); background: transparent; color: var(--ink); cursor: pointer; font: 500 11px/1 var(--display); letter-spacing: 0.22em; text-transform: uppercase; transition: background-color 200ms, color 200ms, border-color 200ms; }
.deck-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.deck-btn:disabled { opacity: 0.4; cursor: default; }
.deck-nav [data-next] { order: 4; }
.deck-progress { order: 2; height: 1px; background: var(--line-2); overflow: hidden; }
.deck-progress i { display: block; height: 100%; background: var(--accent); transform-origin: left; transform: scaleX(0); transition: transform 380ms var(--ease); }
.deck-title { order: 3; font: 400 12px/1.3 var(--display); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 38ch; }

@media (max-width: 1100px) {
  .d-get { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .d-split, .d-split.wide-media, .cover-split, .d-studio, .d-ship { grid-template-columns: 1fr; }
  .d-cols, .d-flow { grid-template-columns: 1fr 1fr; }
  .d-sheet { max-width: 520px; }
}
@media (max-width: 640px) {
  .deck-bar { gap: 12px; padding-top: 8px; padding-bottom: 8px; }
  .deck-brand small { display: none; }
  .d-cols, .d-flow, .d-credits, .d-get, .d-three { grid-template-columns: 1fr; }
  .d-pairs { grid-template-columns: 1fr; }
  .d-pairs .big { grid-row: auto; }
  .cover .d-sheet { display: none; }
  .deck-nav { grid-template-columns: auto 1fr auto; gap: 12px; }
  .deck-title { display: none; }
  .deck-btn span { display: none; }
  .deck-btn { min-width: 52px; font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .js .slide, .js .slide[data-on], .deck-progress i { transition: none; }
}
/* Light theme: the dark photograph-ground rules in site.css do not apply here; image frames keep a neutral ground. */
:root[data-theme="light"] .d-media img { background: #d9d8d4; }