@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@600;700&display=swap');
@import url('walls.css');
@import url('essay-kit.css');
@import url('fact-icons.css');
@import url('screening.css');
/* Structure shared by every direction. Themes only set the tokens and the art.
   The room, type and UI stay black and white; the real objects (door, bookcase, folders, the work) carry colour. */
html, body { margin: 0; height: 100%; background: var(--paper); color: var(--ink); }
body { font-family: var(--font); -webkit-font-smoothing: antialiased; overflow: hidden; overscroll-behavior: none; }
::selection { background: var(--ink); color: var(--paper); }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.app { position: fixed; inset: 0; overflow: hidden; overflow: clip; }

/* ---------- folder colours ---------- */
.tone-paper { --f-front: var(--manila); --f-back: var(--manila-2); --f-ink: #2b2115; }
.tone-grey { --f-front: var(--kraft); --f-back: var(--kraft-2); --f-ink: #22170d; }
.tone-ink { --f-front: var(--archive); --f-back: var(--archive-2); --f-ink: #f1ede4; }
.tone-red { --f-front: var(--folder-red, #b84a3a); --f-back: var(--folder-red-2, #9b3b2e); --f-ink: #fbf1e6; --stamp: #fbf1e6; }
.tone-pink { --f-front: var(--folder-pink, #ec5b9b); --f-back: var(--folder-pink-2, #d84886); --f-ink: #fbf1e6; --stamp: #fbf1e6; }
.tone-blue { --f-front: var(--folder-blue, #46638f); --f-back: var(--folder-blue-2, #38517a); --f-ink: #f1f3f7; --stamp: #f1f3f7; }
.tone-green { --f-front: var(--folder-green, #5c7553); --f-back: var(--folder-green-2, #4a6043); --f-ink: #f2f3ea; --stamp: #f2f3ea; }

/* ---------- office: the bookcase ---------- */
.stage { position: absolute; inset: 0; }
.room { position: absolute; inset: 0; width: 100%; height: 100%; image-rendering: pixelated; transition: opacity .6s ease; }
.room.dim { opacity: var(--room-dim, .28); }
.camera { position: absolute; inset: 0; transform-origin: 50% 50%; will-change: transform; }
.lights { position: absolute; inset: 0; pointer-events: none; opacity: 0; background: var(--lights, radial-gradient(ellipse 34% 42% at 50% 44%, rgba(6,6,6,.5), rgba(6,6,6,.96) 72%)); }
.lights.dark { opacity: 1; }
.fit { position: absolute; left: 50%; top: 50%; width: 0; height: 0; }

.case { position: absolute; background: var(--case-frame); box-shadow: var(--case-shadow); }
.case::before { content: ''; position: absolute; inset: 20px var(--fr) 30px; background: var(--case-back); box-shadow: inset 0 14px 22px -10px rgba(0,0,0,.55), inset 0 -10px 18px -10px rgba(0,0,0,.4); }
.case::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 30px; background: var(--case-plinth); }

.shelf { --p: 0; position: absolute; transform: scale(calc(1 + var(--p) * .045)); transform-origin: 50% 100%; transition: opacity .5s ease, transform .75s var(--spring); }
.shelf.dragging { transition: opacity .5s ease; }
.shelf.focused, .shelf.dragging { z-index: 5; }
.case[data-focus] .shelf:not(.focused) { opacity: .4; }
.board { position: absolute; left: 0; right: 0; bottom: 0; height: var(--board); background: var(--shelf-board); box-shadow: 0 7px 10px -5px rgba(0,0,0,.45); z-index: 30; }
.row { position: absolute; left: 14px; bottom: var(--board); top: 26px; }
.drawer-front { position: absolute; z-index: 35; left: -8px; right: -8px; bottom: -2px; height: 46%; display: grid; place-items: center; align-content: center; gap: 12px; background: var(--drawer-front); box-shadow: var(--drawer-edge, inset 0 2px 0 rgba(255,255,255,.18), inset 0 -3px 0 rgba(0,0,0,.25)), 0 calc(4px + var(--p) * 22px) calc(6px + var(--p) * 26px) rgba(0,0,0,calc(.25 + var(--p) * .2)); transform: translateY(calc(var(--p) * 58%)) scale(calc(1 + var(--p) * .03)); transform-origin: 50% 100%; transition: transform .75s var(--spring), box-shadow .75s ease; touch-action: none; cursor: grab; }
.shelf.focused .drawer-front { cursor: pointer; }
.shelf.dragging .drawer-front, .shelf.dragging .sfolder { transition: none; cursor: grabbing; }
.pull-handle { width: 70px; height: 11px; border-radius: 0 0 9px 9px; background: linear-gradient(#ecd07a, #9c7626); box-shadow: 0 0 0 1px rgba(40,28,6,.6), 0 3px 4px rgba(0,0,0,.4); }
.plate-label { display: flex; gap: 6px; align-items: center; height: 16px; padding: 0 7px; background: #f6f3ea; color: #1b1b1b; font: 500 8.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; box-shadow: 0 0 0 2px var(--brass), 0 2px 3px rgba(0,0,0,.35); }
.plate-label b { font-weight: 500; opacity: .5; }
.shelf-hit { position: absolute; inset: 0; z-index: 40; touch-action: none; cursor: grab; }
.shelf-hit:active { cursor: grabbing; }
.shelf-hit:focus-visible { outline: 3px solid var(--focus, #fff); outline-offset: -3px; }
.shelf:has(.shelf-hit:hover):not(.dragging) { --p: .08; }
.shelf.focused .shelf-hit { display: none; }

.sfolder { position: absolute; bottom: 0; text-align: left; transform-origin: 50% 100%; transform: translateY(calc(var(--ly, 0px) - var(--p) * var(--rise, 16px))) rotate(calc(var(--lean, 0deg) + var(--p) * var(--fan, 0deg))); transition: transform .45s var(--spring); filter: drop-shadow(-5px 0 5px rgba(0,0,0,.28)); }
.sfolder.lift { --ly: -28px; }
.sfolder.out { --ly: -64px; }
.sfolder:focus-visible { outline: 3px solid var(--focus, #fff); outline-offset: 2px; }
.sf-back { position: absolute; inset: 0; background: var(--f-back); box-shadow: var(--f-edge); }
.sf-tab { position: absolute; top: -14px; left: 8px; height: 15px; padding: 0 7px; display: grid; place-items: center; background: var(--f-back); color: var(--f-ink); font: 500 8px/1 var(--mono); letter-spacing: .06em; box-shadow: var(--f-edge); }
.sf-front { position: absolute; left: 0; right: 0; bottom: 0; top: 12px; background: var(--f-front); box-shadow: var(--f-edge), inset 0 1px 0 rgba(255,255,255,.25); }
.sf-label { position: absolute; left: 7px; top: 9px; max-width: calc(var(--strip) - 16px); padding: 4px 5px; background: #fbfaf5; color: #161616; font: 500 8.5px/1.15 var(--mono); letter-spacing: .05em; text-transform: uppercase; box-shadow: 0 0 0 .5px rgba(0,0,0,.3); overflow: hidden; }
.sfolder.vert .sf-label { writing-mode: vertical-rl; transform: rotate(180deg); max-width: none; max-height: calc(100% - 20px); }
.row[inert] .sfolder { pointer-events: none; }

.decor { position: absolute; right: 12px; bottom: var(--board); height: 82%; width: 140px; display: flex; align-items: flex-end; gap: 3px; pointer-events: none; }
.spine { display: block; background: var(--f-front); box-shadow: var(--f-edge), inset -3px 0 0 rgba(0,0,0,.14); }
.spine { pointer-events: auto; cursor: pointer; transform-origin: 100% 100%; transition: transform .45s var(--spring); }
.spine:hover { transform: translateY(-12px); }
.spine.lean { transform: rotate(10deg); transform-origin: 0 100%; margin-left: 2px; }
.spine.lean:hover { transform: rotate(6deg) translateY(-10px); }
.spine.fall { transform: rotate(16deg); transition: transform .32s cubic-bezier(.55, 0, .9, .4); }
.spine.lean.fall { transform: rotate(24deg); }
.stack { pointer-events: auto; cursor: pointer; }
.stack.shuffle span { animation: shuffle .7s cubic-bezier(.3, 1.4, .5, 1); }
.stack.shuffle span:nth-child(2n) { animation-delay: .05s; } .stack.shuffle span:nth-child(3n) { animation-delay: .1s; }
@keyframes shuffle { 30% { translate: 10px 0; } 60% { translate: -8px 0; } }
@media (min-width: 640px) { .shelf-hit { clip-path: polygon(0 0, calc(100% - 168px) 0, calc(100% - 168px) 54%, 100% 54%, 100% 100%, 0 100%); } }
.bookend { display: block; width: 24px; height: 46%; margin-left: 10px; background: var(--bookend); clip-path: polygon(0 0, 30% 0, 30% 82%, 100% 82%, 100% 100%, 0 100%); }
.stack { display: flex; flex-direction: column; margin-left: 8px; }
.stack span { display: block; width: 64px; height: 6px; background: var(--f-front); box-shadow: inset 0 -1px 0 rgba(0,0,0,.22); }
.stack span:nth-child(2n) { transform: translateX(4px); }
.stack span:nth-child(3n) { transform: translateX(-3px); }

/* ---------- the folder on the desk ---------- */
.scrim { position: absolute; inset: 0; background: var(--scrim); opacity: 0; pointer-events: none; transition: opacity .5s ease; }
.scrim.on { opacity: 1; pointer-events: auto; }
.desk { position: absolute; inset: 0; z-index: 4; overflow: clip; display: grid; place-items: center; perspective: 2400px; pointer-events: none; }
.dfolder { pointer-events: auto; position: relative; z-index: 1; width: var(--fw); height: var(--fh); margin-top: 24px; color: var(--f-ink); transition: opacity .45s ease, transform .7s cubic-bezier(.4, 0, .2, 1); }
.dfolder.reading { opacity: 0; transform: translateY(60px) scale(.94); pointer-events: none; }
.df-body { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .9s cubic-bezier(.3, 1, .4, 1); }
.dfolder.open:not(.narrow) .df-body { transform: translateX(calc(var(--fw) / 2)); }
.df-back { position: absolute; inset: 0; z-index: 0; background: var(--f-back); box-shadow: var(--desk-shadow); }
.df-cover { position: absolute; inset: 0; z-index: 1; transform: translateZ(1px); transform-origin: 0 50%; transform-style: preserve-3d; transition: transform .95s cubic-bezier(.5, 0, .2, 1), opacity .3s ease .65s; }
.dfolder.open .df-cover { transform: translateZ(1px) rotateY(-179deg); }
.dfolder.narrow.open .df-cover { opacity: 0; pointer-events: none; }
.df-cover-front, .df-cover-inside { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; background: var(--f-front); }
.df-cover-front { box-shadow: var(--desk-shadow), inset 0 1px 0 rgba(255,255,255,.3); }
.df-cover-inside { transform: rotateY(180deg); box-shadow: inset -18px 0 24px -18px rgba(0,0,0,.35); }
.df-tab { position: absolute; left: 26px; top: -28px; height: 28px; padding: 0 14px; display: flex; align-items: center; background: var(--f-front); font: 500 12px/1 var(--mono); letter-spacing: .04em; white-space: nowrap; }
.df-label { position: absolute; left: 28px; top: 30px; display: grid; gap: 6px; padding: 12px 16px 14px; background: #fbfaf5; color: #151515; box-shadow: 0 0 0 .5px rgba(0,0,0,.3), 0 1px 2px rgba(0,0,0,.2); max-width: calc(100% - 56px); }
.df-label b { font: var(--folder-title-font); font-size: clamp(26px, 3.4vw, 40px); line-height: .95; letter-spacing: -.035em; }
.df-label span { font: 500 10px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; opacity: .6; }
.df-stamp { position: absolute; right: 28px; bottom: 30px; padding: 7px 12px; border: 2.5px solid var(--stamp); color: var(--stamp); font: 700 14px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; transform: rotate(-8deg); opacity: .85; mix-blend-mode: multiply; }
.dfolder:is(.tone-ink, .tone-red, .tone-pink, .tone-blue, .tone-green) .df-stamp { mix-blend-mode: normal; }

.df-info { position: absolute; inset: 0; padding: clamp(22px, 3vw, 36px); display: flex; flex-direction: column; gap: 14px; overflow: hidden; }
.df-meta { margin: 0; display: flex; gap: 10px; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; opacity: .7; }
.df-meta b { font-weight: 500; opacity: .6; }
.df-title { margin: 0; font: var(--folder-title-font); font-size: clamp(38px, 5vw, 64px); line-height: .9; letter-spacing: -.045em; }
.df-blurb { margin: 0; font-size: 15px; line-height: 1.5; max-width: 34ch; }
.df-facts { margin: auto 0 0; display: grid; gap: 12px; }
.df-facts div { display: grid; gap: 4px; padding-top: 10px; border-top: 1px solid currentColor; }
.df-facts dt { font: 500 10px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; opacity: .6; }
.df-facts dd { margin: 0; font-size: 13.5px; line-height: 1.45; }
.df-read { align-self: flex-start; display: inline-flex; align-items: center; gap: 10px; height: 40px; padding: 0 16px; flex: none; background: var(--f-ink); color: var(--f-front); font: 500 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.df-read span { transition: transform .3s var(--spring); }
.df-read:hover span, .df-read:focus-visible span { transform: translateX(5px); }
.df-read:focus-visible { outline: 2px solid var(--f-ink); outline-offset: 3px; }
.dfolder:not(.narrow) > :is(.df-read, .df-soon) { position: absolute; right: 0; bottom: -62px; height: 44px; padding: 0 20px; font-size: 13px; background: var(--ink); color: var(--paper); box-shadow: 0 8px 18px rgba(0,0,0,.3); opacity: 0; transform: translate(calc(var(--fw) / 2), -10px); transition: opacity .4s ease .5s, transform .6s var(--spring) .5s; }
.dfolder.open:not(.narrow) > :is(.df-read, .df-soon) { opacity: 1; transform: translate(calc(var(--fw) / 2), 0); }
.dfolder:not(.narrow) > .df-soon { display: flex; align-items: center; background: rgba(0,0,0,.35); color: #fbfaf6; box-shadow: none; opacity: 0; }
.dfolder.open:not(.narrow) > .df-soon { opacity: .9; }
.df-soon { margin: 0; flex: none; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; opacity: .55; }
.photo.readable { cursor: zoom-in; }

.df-photos { position: absolute; inset: 0; }
.photo { position: absolute; margin: 0; padding: 7px; background: #fdfcf8; box-shadow: 0 8px 18px rgba(0,0,0,.28), 0 1px 2px rgba(0,0,0,.2); }
.photo img, .photo canvas { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: top; image-rendering: auto; }
.photo.print canvas { image-rendering: pixelated; }
.photo.p1 { left: 7%; top: 8%; width: 74%; transform: rotate(-2deg); z-index: 2; }
.photo.p2 { right: 5%; bottom: 7%; width: 50%; transform: rotate(3deg); z-index: 1; }
.clip { position: absolute; top: -20px; left: 22px; width: 16px; height: 44px; color: #8b8d90; z-index: 3; filter: drop-shadow(0 1px 1px rgba(0,0,0,.35)); }
.sticky { position: absolute; z-index: 6; right: -34px; top: 46px; width: 150px; min-height: 92px; margin: 0; padding: 14px 12px; background: #f4df76; color: #2a2410; font: 700 22px/1.05 'Caveat', cursive; transform: rotate(5deg); box-shadow: 0 8px 14px rgba(0,0,0,.28); }
.dfolder.narrow .sticky { right: 10px; top: 12px; width: 118px; padding: 9px 10px; min-height: 0; font-size: 19px; }

/* the desk the folder lands on: darker than the cabinet, different from every folder */
.desk-surface { position: absolute; inset: 0; background: var(--desk-top, repeating-linear-gradient(90deg, rgba(0,0,0,.07) 0 2px, transparent 2px 11px, rgba(255,255,255,.03) 11px 12px, transparent 12px 19px), linear-gradient(#4a2f1c, #33200f)); transform: translateY(105%); transition: transform .7s cubic-bezier(.2, .9, .3, 1); pointer-events: none; overflow: hidden; box-shadow: 0 -24px 40px rgba(0,0,0,.35); }
.desk-surface.on { transform: none; pointer-events: auto; }
.desk-surface > * { position: absolute; }
.coffee { left: calc(50% - var(--fw) - 170px); top: calc(50% - var(--fh) / 2 - 30px); width: 124px; height: 124px; border-radius: 50%; background: radial-gradient(circle, transparent 54%, rgba(30,14,4,.45) 56%, rgba(30,14,4,.15) 60%, transparent 63%), radial-gradient(circle at 62% 40%, transparent 61%, rgba(30,14,4,.22) 63%, transparent 67%); }
.pen { left: calc(50% + var(--fw) + 54px); top: calc(50% - 90px); width: 12px; height: 190px; border-radius: 6px 6px 2px 2px; background: linear-gradient(90deg, #111, #3c3c3c 45%, #111); transform: rotate(18deg); box-shadow: 8px 12px 12px rgba(0,0,0,.45); }
.pen::after { content: ''; position: absolute; left: 2px; bottom: -18px; border: 4px solid transparent; border-top: 18px solid var(--brass, #c9a24a); border-bottom: 0; }
.loose { width: 14px; height: 40px; color: #a3a5a9; }
.loose .clip { position: static; width: 100%; height: 100%; }
.loose.c1 { left: calc(50% - var(--fw) - 74px); top: calc(50% + 10px); transform: rotate(70deg); }
.loose.c2 { left: calc(50% + var(--fw) + 90px); top: calc(50% + var(--fh) / 2); transform: rotate(-24deg); }
.bizcard { left: calc(50% - var(--fw) - 150px); top: calc(50% + var(--fh) / 2 - 30px); width: 250px; padding: 16px 18px 14px; display: grid; gap: 3px; background: #fbfaf5; color: #151515; transform: rotate(-4deg); box-shadow: 0 10px 18px rgba(0,0,0,.4); }
.bizcard b { font: var(--folder-title-font); font-size: 18px; letter-spacing: -.02em; }
.bizcard span { margin-bottom: 6px; font: 500 9.5px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; opacity: .6; }
.bizcard a { color: inherit; font: 500 11px/1.5 var(--mono); }
.bizcard a:last-child { font-weight: 700; }
.bizcard.inline { position: relative; left: auto; top: auto; margin: 4px 22px 30px; transform: rotate(-2deg); }
.desk-surface.narrow > * { display: none; }
.df-close { position: absolute; right: 0; top: -66px; height: 34px; padding: 0 14px; background: var(--ink); color: var(--paper); font: 500 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; transition: transform .9s cubic-bezier(.3, 1, .4, 1); z-index: 5; }
.dfolder.open:not(.narrow) .df-close { transform: translateX(calc(var(--fw) / 2)); }

.dfolder.narrow .df-back { overflow: auto; overscroll-behavior: contain; }
.dfolder.narrow .df-info { position: static; padding: 26px 22px 8px; }
.dfolder.narrow .df-facts { margin-top: 6px; }
.dfolder.narrow .df-photos { position: static; padding: 22px 22px 30px; display: grid; gap: 22px; }
.dfolder.narrow .photo { position: relative; inset: auto; width: 100%; }

/* ---------- door ---------- */
.door-scene { position: absolute; inset: 0; z-index: 5; transition: transform 1s cubic-bezier(.7, 0, .25, 1), opacity .45s linear .5s; }
.door-scene.zoom { transform: scale(3.4); opacity: 0; }
.door-scene[hidden] { display: none; }
.wall { position: absolute; inset: 0; width: 100%; height: 100%; image-rendering: pixelated; }
.doorway { position: absolute; left: var(--dx); top: var(--dy); width: var(--dw); height: var(--dh); perspective: 1600px; }
.leaf { position: absolute; inset: 0; transform-origin: 0 50%; transition: transform 1.05s cubic-bezier(.45, 0, .2, 1.12); cursor: pointer; }
.door-scene.open .leaf { transform: rotateY(-104deg); }
.leaf-art { position: absolute; inset: 0; width: 100%; height: 100%; image-rendering: pixelated; }
.plate { position: absolute; left: 50%; top: 21%; transform: translateX(-50%); }
.handle { position: absolute; right: 9%; top: 52%; width: 15%; height: 12px; transform-origin: 12% 50%; transition: transform .35s var(--spring); }
.leaf:hover .handle, .leaf:focus-visible .handle { transform: rotate(-14deg); }
.door-scene.unlatch .handle { transform: rotate(-34deg); }
.leaf:focus-visible { outline: 3px solid var(--ink); outline-offset: 4px; }
.door-hint { position: absolute; left: 0; right: 0; top: calc(var(--dy) + var(--dh) + 22px); margin: 0; text-align: center; font: 500 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--door-hint, var(--ink)); }

/* ---------- HUD ---------- */
.hud-top, .hud-bottom { position: absolute; left: 0; right: 0; z-index: 8; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 0 clamp(16px, 3vw, 32px); pointer-events: none; }
.hud-top { top: 0; height: 64px; }
.hud-bottom { bottom: 0; height: 56px; }
.hud-top > *, .hud-bottom > * { pointer-events: auto; }
.brand { display: flex; align-items: baseline; gap: 8px; font: var(--brand-font); letter-spacing: -.02em; }
.brand small { font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; opacity: .6; }
.hud-btn { height: 32px; padding: 0 12px; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; box-shadow: inset 0 0 0 1px currentColor; background: var(--hud-bg, transparent); }
.hud-btn:hover { background: var(--ink); color: var(--paper); }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.crumbs button { padding: 6px 2px; opacity: .6; }
.crumbs button:hover { opacity: 1; text-decoration: underline; }
.crumbs [aria-current] { opacity: 1; }
.crumbs i { font-style: normal; opacity: .35; }
.hint { margin: 0; font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; opacity: .7; text-align: right; }
.app[data-scene="door"] .hud-bottom, .app[data-scene="door"] .hud-top .hud-btn { visibility: hidden; }
.hud-chip { background: var(--paper); padding: 8px 10px; }
.fx { position: absolute; inset: 0; z-index: 6; pointer-events: none; image-rendering: pixelated; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (max-width: 640px) {
  .brand small, .hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; transition-delay: 0s !important; }
  .door-scene { transition: opacity .2s linear !important; }
  .door-scene.zoom { transform: none; }
}

/* ---------- the full case file ---------- */
.casefile { position: absolute; inset: 0; z-index: 3; pointer-events: auto; }
.cf-scroll { position: absolute; inset: 0; overflow-y: auto; overscroll-behavior: contain; padding: 84px 16px 120px; outline: none; }
.cf-paper { position: relative; max-width: 860px; margin: 0 auto; padding: clamp(40px, 6vw, 76px) clamp(24px, 6vw, 72px) clamp(32px, 5vw, 60px); background: #fbfaf6; color: #151515; font-family: var(--font); box-shadow: 7px 7px 0 -1px #ebe8de, 7px 7px 0 0 rgba(0,0,0,.12), 0 34px 60px -18px rgba(0,0,0,.6), 0 2px 4px rgba(0,0,0,.25); transform-origin: 50% 0; }
.cf-paper::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 10px; background: var(--f-front); }
.cf-staple { position: absolute; left: 22px; top: 26px; width: 30px; height: 4px; border-radius: 2px; background: linear-gradient(#cfd1d4, #8d8f93); box-shadow: 0 1px 1px rgba(0,0,0,.35); transform: rotate(-35deg); }
.cf-head { position: relative; display: grid; gap: 18px; padding-bottom: 34px; border-bottom: 1.5px solid #151515; }
.cf-kicker { margin: 0; display: flex; justify-content: space-between; gap: 16px; font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; opacity: .6; }
.cf-head h1 { margin: 6px 0 0; font: var(--folder-title-font); font-size: clamp(56px, 9vw, 112px); line-height: .88; letter-spacing: -.05em; }
.cf-lede { margin: 0; max-width: 30ch; font-size: clamp(18px, 2vw, 22px); line-height: 1.35; }
.cf-facts { margin: 10px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px 24px; }
.cf-facts div { display: grid; gap: 6px; align-content: start; padding-top: 10px; border-top: 1px solid rgba(0,0,0,.2); }
.cf-facts dt { font: 500 10px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; opacity: .55; }
.cf-facts dd { margin: 0; font-size: 14px; line-height: 1.45; overflow-wrap: anywhere; }
.cf-stamp { position: absolute; right: -6px; top: 72px; padding: 8px 14px; border: 3px solid #b8322a; color: #b8322a; font: 700 15px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; transform: rotate(-9deg); opacity: .82; }
.cf-intro { margin: 40px 0; font-size: clamp(19px, 2.2vw, 24px); line-height: 1.45; letter-spacing: -.01em; text-wrap: pretty; }
.cf-results { margin: 0 0 8px; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); border-top: 1.5px solid #151515; border-bottom: 1.5px solid #151515; }
.cf-results li { display: grid; gap: 8px; align-content: start; padding: 22px 20px 22px 0; }
.cf-results li + li { padding-left: 20px; border-left: 1px solid rgba(0,0,0,.2); }
.cf-results b { font: var(--folder-title-font); font-size: clamp(36px, 5vw, 56px); line-height: .95; letter-spacing: -.04em; }
.cf-results span { font-size: 13px; line-height: 1.4; opacity: .7; }
.cf-part { margin-top: 56px; }
.cf-part h2 { margin: 0 0 14px; display: flex; gap: 14px; align-items: baseline; font: var(--folder-title-font); font-size: clamp(24px, 3vw, 34px); line-height: 1.05; letter-spacing: -.03em; }
.cf-part h2 b { flex: none; font: 500 12px/1 var(--mono); letter-spacing: .08em; opacity: .5; }
.cf-part > p { margin: 0; max-width: 62ch; font-size: 16.5px; line-height: 1.7; }
.cf-part > :is(.cf-figs, .cf-pair, .cf-fig) { margin-top: 26px; }
.cf-figs, .cf-pair { display: grid; gap: 22px 18px; }
.cf-figs.n2, .cf-pair { grid-template-columns: 1fr 1fr; }
.cf-fig { margin: 0; display: grid; gap: 10px; align-content: start; }
.cf-fig img { display: block; width: 100%; height: auto; background: #e9e7e0; box-shadow: 0 0 0 1px rgba(0,0,0,.08); }
.cf-fig figcaption { font: 500 11px/1.4 var(--mono); letter-spacing: .03em; opacity: .62; }
.cf-fig.labelled { grid-template-rows: auto 1fr; }
.cf-fig.labelled figcaption { order: -1; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; opacity: 1; }
.cf-window { max-height: min(70vh, 640px); overflow-y: auto; overscroll-behavior: contain; border-top: 22px solid #e3e1da; box-shadow: 0 0 0 1px rgba(0,0,0,.14); }
.cf-window:focus-visible { outline: 2px solid #151515; outline-offset: 3px; }
.cf-end { margin-top: 72px; padding-top: 28px; border-top: 1.5px solid #151515; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 28px; }
.cf-next { display: grid; gap: 8px; text-align: left; }
.cf-next span { font: 500 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; opacity: .6; }
.cf-next b { font: var(--folder-title-font); font-size: clamp(28px, 4vw, 44px); line-height: 1; letter-spacing: -.04em; }
.cf-next:hover b, .cf-next:focus-visible b { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 6px; }
.cf-contact { display: grid; gap: 8px; justify-items: end; font: 500 12px/1.3 var(--mono); }
.cf-contact p { margin: 0; letter-spacing: .08em; text-transform: uppercase; opacity: .6; }
.cf-contact a { color: inherit; }
.cf-contact a:first-of-type { padding: 11px 16px; background: #151515; color: #fbfaf6; text-decoration: none; letter-spacing: .06em; text-transform: uppercase; }
.cf-back { position: absolute; z-index: 2; left: 50%; bottom: 12px; height: 36px; padding: 0 16px; transform: translateX(-50%); background: var(--ink); color: var(--paper); font: 500 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; box-shadow: 0 6px 16px rgba(0,0,0,.3); }
/* case file: the rewritten case-study fields (tldr, STAR, live links, stage labels, learned, next, credits, coming soon) */
.cf-tags { margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.cf-tag { padding: 7px 12px; background: var(--yellow, #f3c63f); color: #151515; box-shadow: inset 0 0 0 1.5px #151515; font: 700 11px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; transform: rotate(-1.2deg); }
.cf-head:has(.cf-tldr) .cf-lede { max-width: 40ch; }
.cf-tldr { margin: 0; max-width: 54ch; padding-left: 16px; border-left: 4px solid #151515; font-size: clamp(16px, 1.7vw, 18.5px); font-weight: 600; line-height: 1.45; text-wrap: pretty; }
.cf-tldr span { display: block; margin-bottom: 6px; font: 500 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; opacity: .55; }
.cf-star { margin: 4px 0 0; box-shadow: inset 0 0 0 1.5px #151515; background: #fffdf7; }
.cf-star div { display: grid; grid-template-columns: 128px minmax(0, 1fr); gap: 14px; padding: 11px 16px; }
.cf-star div + div { border-top: 1px solid rgba(0,0,0,.16); }
.cf-star dt, .cf-stage { display: flex; align-items: center; gap: 9px; font: 600 11px/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.cf-star dt { align-self: start; padding-top: 1px; }
.cf-star dt b, .cf-stage b { flex: none; display: grid; place-items: center; width: 22px; height: 22px; background: var(--f-front); color: var(--f-ink); box-shadow: inset 0 0 0 1.5px #151515; font: 700 11px/1 var(--mono); letter-spacing: 0; }
.cf-star dd { margin: 0; font-size: 14.5px; line-height: 1.5; text-wrap: pretty; }
.cf-live { margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.cf-livebtn { display: inline-flex; align-items: center; gap: 12px; min-height: 42px; padding: 8px 16px; background: #151515; color: #fbfaf6; text-decoration: none; font: 500 12px/1.2 var(--mono); }
.cf-livebtn b { flex: none; white-space: nowrap; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.cf-livebtn span { opacity: .7; overflow-wrap: anywhere; }
.cf-livebtn:hover, .cf-livebtn:focus-visible { background: var(--f-front); color: var(--f-ink); box-shadow: inset 0 0 0 1.5px #151515; }
.cf-livebtn:focus-visible { outline: 2px solid #151515; outline-offset: 3px; }
.cf-stage { margin: 72px 0 0; padding-top: 12px; border-top: 1.5px solid #151515; }
.cf-stage + :is(.cf-part, .cf-results) { margin-top: 26px; }
.cf-rnote { margin: 10px 0 0; max-width: 70ch; font: 500 11px/1.5 var(--mono); letter-spacing: .02em; opacity: .6; }
.cf-learned { margin-top: 64px; padding: 26px 28px 24px; background: #f4f0e4; box-shadow: inset 0 0 0 1.5px #151515, inset 0 8px 0 var(--f-front); padding-top: 32px; }
.cf-learned h2 { margin: 0 0 12px; font: var(--folder-title-font); font-size: clamp(22px, 2.6vw, 28px); letter-spacing: -.03em; }
.cf-learned ul { margin: 0; padding-left: 20px; display: grid; gap: 8px; }
.cf-learned li { font-size: 15.5px; line-height: 1.6; }
.cf-nextline { margin: 40px 0 0; display: flex; gap: 12px; max-width: 62ch; font-size: 17px; font-style: italic; line-height: 1.55; }
.cf-nextline span { font-style: normal; font-weight: 600; }
.cf-credits { margin: 40px 0 0; padding-top: 14px; border-top: 1px dashed rgba(0,0,0,.25); max-width: 80ch; font-size: 12px; line-height: 1.6; opacity: .62; }
.casefile.soon .cf-stamp { border-color: #151515; color: #151515; background: var(--yellow, #f3c63f); opacity: 1; }
.casefile.soon .cf-part { margin-top: 40px; }
@media (max-width: 640px) {
  .cf-scroll { padding: 72px 8px 130px; }
  .cf-stamp { position: static; justify-self: start; order: -1; font-size: 12px; transform: rotate(-4deg); }
  .cf-figs.n2, .cf-pair { grid-template-columns: 1fr; }
  .cf-results li + li { padding-left: 0; border-left: 0; border-top: 1px solid rgba(0,0,0,.2); }
  .cf-contact { justify-items: start; }
  .cf-back { bottom: 64px; }
  .cf-star div { grid-template-columns: 1fr; gap: 6px; padding: 12px 14px; }
  .cf-learned { padding: 22px 18px 20px; }
}

/* social stickers in the bottom HUD: paper discs that tilt, lift and take their colour on hover */
.socials { display: flex; gap: 10px; align-items: center; }
.socials[hidden] { display: none; }
.socials a { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: #fbfaf6; color: var(--ink); box-shadow: 0 0 0 1.5px var(--ink), 0 3px 0 rgba(0,0,0,.25); rotate: var(--r); transition: rotate .25s var(--spring, ease), translate .25s var(--spring, ease), background-color .2s ease, color .2s ease; }
.socials a svg { width: 19px; height: 19px; }
.socials a:hover, .socials a:focus-visible { rotate: 0deg; translate: 0 -4px; background: var(--c); color: #fbfaf6; }
.socials a[style*="#f3c63f"]:hover, .socials a[style*="#f3c63f"]:focus-visible { color: var(--ink); }
.socials a:focus-visible { outline: 2px solid #fbfaf6; outline-offset: 3px; }
@media (max-width: 760px) { .socials { position: absolute; left: 50%; bottom: 62px; translate: -50% 0; gap: 8px; } .socials a { width: 32px; height: 32px; } }
@media (prefers-reduced-motion: reduce) { .socials a { transition: none; } }

/* ---------- case file entrances (shared/entrances.js tags blocks with data-ce and adds .is-in once each scrolls in) ----------
   One vocabulary: labels fade up 8px · headings rise word by word from a mask · ink rises 14px · ruled blocks wipe along
   their rule while their rows rise · S/T/A/R stamps press on (1.25 → 1) · prints develop (bright + soft → sharp, wiped from the top edge)
   and their captions follow · result numbers count up · buttons last. Hidden states exist only under .ce (added by JS)
   and only when motion is allowed. --d is the block's place in the cascade, --i an item's place inside its block. */
.ce {
  --ce-out: cubic-bezier(.19, 1, .22, 1);      /* rises, masks, fades: quick start, long soft landing */
  --ce-wipe: cubic-bezier(.76, 0, .2, 1);      /* wipes: a steady pen stroke */
  --ce-stamp: cubic-bezier(.3, 1.45, .55, 1);  /* stamps: one small overshoot */
  --ce-dev: cubic-bezier(.25, .6, .3, 1);      /* the wall's polaroid develop */
}
/* (IntersectionObserver counts a target's own clip-path, so observed blocks never clip themselves; only their children do) */
.ce [data-ce] { --d: 0ms; }
.ce [data-ce=mask] .ce-w { display: inline-block; padding: .16em .08em .22em; margin: -.16em -.08em -.22em; overflow: clip; }
.ce [data-ce=mask] .ce-w > span { display: inline-block; }
.ce [data-ce=mask].ce-done .ce-w { overflow: visible; }
.ce .cf-fig { --cap: 420ms; --img: 0ms; }
.ce .cf-fig.labelled { --cap: 0ms; --img: 140ms; }

@media (prefers-reduced-motion: no-preference) {
  /* transitions, only while an entrance can still run */
  .ce :is([data-ce=label], [data-ce=rise], [data-ce=item], [data-ce=card]):not(.ce-done) { transition: opacity .7s var(--ce-out) var(--d), translate .9s var(--ce-out) var(--d); }
  .ce [data-ce=mask]:not(.ce-done) .ce-w > span { transition: translate .95s var(--ce-out) calc(var(--d) + var(--i, 0) * 55ms); }
  .ce [data-ce=mask]:not(.ce-done) .ce-x { transition: opacity .6s var(--ce-out) var(--d); }
  .ce [data-ce=star]:not(.ce-done) { transition: opacity .5s linear var(--d); }
  .ce [data-ce=stage]:not(.ce-done) { transition: opacity .6s var(--ce-out) var(--d), translate .9s var(--ce-out) var(--d); }
  .ce :is([data-ce=star] > div, [data-ce=btns] > *, [data-ce=card] li) { transition: opacity .7s var(--ce-out) calc(var(--d) + 120ms + var(--i, 0) * 70ms), translate .9s var(--ce-out) calc(var(--d) + 120ms + var(--i, 0) * 70ms); }
  .ce [data-ce=btns] > * { transition-delay: calc(var(--d) + var(--i, 0) * 70ms); }
  .ce [data-ce=card] li { transition-delay: calc(var(--d) + 260ms + var(--i, 0) * 70ms); }
  .ce :is([data-ce=facts] > div, [data-ce=results] > li) { transition: clip-path .8s var(--ce-wipe) calc(var(--d) + var(--i, 0) * 70ms), opacity .5s linear calc(var(--d) + var(--i, 0) * 70ms); }
  .ce [data-ce=results] > li { transition-duration: .95s, .5s; transition-delay: calc(var(--d) + var(--i, 0) * 90ms); }
  .ce :is([data-ce=star] dt b, [data-ce=stage] b) { transition: opacity .16s linear var(--sd), scale .5s var(--ce-stamp) var(--sd); }
  .ce [data-ce=star] dt b { --sd: calc(var(--d) + 260ms + var(--i, 0) * 70ms); }
  .ce [data-ce=stage] b { --sd: calc(var(--d) + 300ms); }
  .ce [data-ce=stamp]:not(.ce-done) { transition: opacity .18s linear var(--d), scale .55s var(--ce-stamp) var(--d); }
  .ce :is([data-ce=fig] > img, [data-ce=fig] > .cf-window, [data-ce=print]) { transition: clip-path 1.1s var(--ce-wipe) calc(var(--d) + var(--img, 0ms)), opacity .45s linear calc(var(--d) + var(--img, 0ms)), filter 1.6s var(--ce-dev) calc(var(--d) + var(--img, 0ms)), scale 1.6s var(--ce-dev) calc(var(--d) + var(--img, 0ms)); }
  .ce [data-ce=fig] > figcaption { transition: opacity .6s var(--ce-out) calc(var(--d) + var(--cap)), translate .8s var(--ce-out) calc(var(--d) + var(--cap)); }

  /* hidden states */
  .ce [data-ce=label]:not(.is-in) { opacity: 0; translate: 0 8px; }
  .ce :is([data-ce=rise], [data-ce=item]):not(.is-in) { opacity: 0; translate: 0 14px; }
  .ce [data-ce=card]:not(.is-in) { opacity: 0; translate: 0 18px; }
  .ce [data-ce=mask]:not(.is-in) .ce-w > span { translate: 0 calc(100% + .24em); }
  .ce [data-ce=mask]:not(.is-in) .ce-x { opacity: 0; }
  .ce [data-ce=star]:not(.is-in) { opacity: 0; }
  .ce [data-ce=stage]:not(.is-in) { opacity: 0; translate: -10px 0; }
  .ce :is([data-ce=star]:not(.is-in) > div, [data-ce=btns]:not(.is-in) > *, [data-ce=card]:not(.is-in) li) { opacity: 0; translate: 0 10px; }
  .ce :is([data-ce=facts] > div, [data-ce=results] > li) { clip-path: inset(-6px -6px -6px -6px); }
  .ce :is([data-ce=facts]:not(.is-in) > div, [data-ce=results]:not(.is-in) > li) { clip-path: inset(-6px 100% -6px -6px); opacity: 0; }
  .ce :is([data-ce=facts].ce-done > div, [data-ce=results].ce-done > li) { clip-path: none; }
  .ce :is([data-ce=star]:not(.is-in) dt b, [data-ce=stage]:not(.is-in) b) { opacity: 0; scale: 1.25; }   /* pressed on: scale + opacity only, the stamp keeps its own rotate */
  .ce [data-ce=stamp]:not(.is-in) { opacity: 0; scale: 1.6; }
  .ce [data-ce=fig] > :is(img, .cf-window) { clip-path: inset(-6px -6px -6px -6px); }
  .ce [data-ce=fig].ce-done > :is(img, .cf-window) { clip-path: none; }
  .ce [data-ce=fig]:not(.is-in) > img { opacity: 0; filter: brightness(1.55) blur(5px); scale: 1.015; clip-path: inset(-6px -6px 100% -6px); }
  .ce [data-ce=fig]:not(.is-in) > .cf-window { opacity: 0; filter: brightness(1.45); clip-path: inset(-6px -6px 100% -6px); }
  .ce [data-ce=print]:not(.is-in) { opacity: 0; filter: grayscale(1) brightness(1.6) blur(5px); scale: 1.06; }
  .ce [data-ce=fig]:not(.is-in) > figcaption { opacity: 0; translate: 0 6px; }
}

/* stage labels, picked B "Stamp" (27 Oct): each letter a round double-ring ink stamp in its own colour, pressed on at a tilt,
   the stage written beside it by hand. S blue · T coral · A green · R red, the same on every drawer. */
.cf-star dt b, .cf-stage b { --r: -8deg; position: relative; background: none; color: var(--st, #151515); rotate: var(--r);
  border-radius: 50%; font-family: 'Inter Tight', sans-serif; font-weight: 900; letter-spacing: -.04em; }
.cf-star dt b { width: 28px; height: 28px; font-size: 14px; box-shadow: inset 0 0 0 2px currentColor, inset 0 0 0 4px #fffdf7, inset 0 0 0 5px currentColor; }
.cf-stage b { width: 56px; height: 56px; font-size: 26px; box-shadow: inset 0 0 0 2.5px currentColor, inset 0 0 0 5px var(--paper, #faf8f3), inset 0 0 0 6.5px currentColor; }
.cf-stage b::after { content: ''; position: absolute; inset: 0; border-radius: 50%; opacity: .55;
  background: radial-gradient(circle at 30% 70%, var(--paper, #faf8f3) 0 1.2px, transparent 2px) 0 0 / 9px 11px, radial-gradient(circle at 60% 20%, var(--paper, #faf8f3) 0 1px, transparent 1.6px) 0 0 / 13px 7px; }
[data-st="S"] { --st: #2d4fd8; } [data-st="T"] { --st: #e2703f; } [data-st="A"] { --st: #3fae6a; } [data-st="R"] { --st: #e03b2e; }
.cf-star dt b[data-st="T"] { rotate: 6deg; } .cf-star dt b[data-st="A"] { rotate: -5deg; } .cf-star dt b[data-st="R"] { rotate: 9deg; }
.cf-stage { gap: 16px; padding-top: 18px; border-top: 1.5px dashed rgba(21,21,21,.35); }
.cf-stage .st-l { display: grid; gap: 3px; font-size: 11px; }
.cf-stage .st-w { font: 700 26px/1 'Caveat', cursive; letter-spacing: 0; text-transform: none; color: #151515; }
.cf-stage .st-n { margin-left: auto; align-self: flex-start; opacity: .5; }