/* Six service scenes, one fictional brand. Each scene reuses the rebuild frame from showcase.css (.rb-head, .browser, .viewport, .log).
   Every animated element reads --k (0..1), written by scenes.js from data-k="start-end" ranges of the scene's scroll. */
.scene { position: relative; height: 340svh; padding-block: 0; }
.scene .stage { position: sticky; top: var(--nav); height: calc(100svh - var(--nav)); display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; align-items: center; padding: 18px var(--g); max-width: 1500px; margin-inline: auto; }
.scene .canvas { position: absolute; left: 0; top: 0; width: 1000px; height: 600px; transform-origin: 0 0; transform: scale(var(--s, 1)); overflow: hidden; font-family: var(--body); }
.log .cta-row { padding: 12px 14px; border-top: 1.5px solid var(--ink); }
.log .cta-row .btn { min-height: 40px; width: 100%; justify-content: center; }
.k { --k: 0; }
.fade-out { opacity: calc(1 - var(--k)); }
.fade-in { opacity: var(--k); }
/* movers: absolutely placed at 0,0 and moved by transform only, from (x0,y0,r0) to (x1,y1,r1) */
.mv { position: absolute; left: 0; top: 0; transform: translate(calc((var(--x0) + (var(--x1) - var(--x0)) * var(--k)) * 1px), calc((var(--y0) + (var(--y1) - var(--y0)) * var(--k)) * 1px)) rotate(calc((var(--r0, 0) + (var(--r1, 0) - var(--r0, 0)) * var(--k)) * 1deg)); }

/* ---------- story rail: where you are in the six services ---------- */
.rail { position: sticky; top: var(--nav); z-index: 40; background: var(--nav-bg); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.rail ol { list-style: none; margin: 0 auto; padding: 8px var(--g); max-width: 1500px; display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.rail a { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; padding: 7px 10px; border: 1px solid var(--rule); font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; text-decoration: none; color: var(--grey); }
.rail a b { color: var(--red-ink); font-weight: 500; }
.rail a.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.story .scene .stage, .story .rebuild .stage { top: calc(var(--nav) + 45px); height: calc(100svh - var(--nav) - 45px); }
html:has(.rail) { scroll-padding-top: calc(var(--nav) + 45px + 16px); }
.story .rebuild { height: 420svh; }

/* ---------- 01 research: noise on a desk becomes a report ---------- */
.desk { background: #ece8e0; }
.desk .note { width: 200px; padding: 12px 14px; background: #fff8c5; box-shadow: 0 8px 16px -10px rgba(0,0,0,.4); font: 500 14px/1.35 var(--body); color: #2a2a2a; }
.desk .note.sc { background: #fff; border: 1px solid #ccc; font-size: 12px; color: #666; }
.desk .note.find { transition: background-color .4s; }
.desk .note small { display: block; font: 500 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: #8a6d1a; margin-bottom: 6px; }
.report { position: absolute; inset: 0; padding: 30px 36px; }
.report .rh { display: flex; justify-content: space-between; border-bottom: 2px solid #1b1612; padding-bottom: 8px; font: 500 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #1b1612; }
.report .rt { margin: 14px 0 0; font: 400 46px/.9 var(--display); color: #1b1612; }
.report .fl { position: absolute; left: 36px; top: 150px; font: 500 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #b8461b; }
.score { position: absolute; left: 560px; top: 150px; width: 400px; }
.score h4 { margin: 0 0 12px; font: 500 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #b8461b; }
.score .row { display: grid; grid-template-columns: 130px 1fr 40px; gap: 10px; align-items: center; margin-bottom: 12px; font-size: 13px; color: #1b1612; }
.score .row i { height: 10px; background: #d8d2c6; position: relative; }
.score .row i::after { content: ""; position: absolute; inset: 0; width: var(--w); background: #b8461b; transform-origin: left; transform: scaleX(var(--k)); }
.rec { position: absolute; left: 560px; top: 400px; width: 400px; padding: 16px 18px; background: #1b1612; color: #f4efe6; transform: translateY(calc((1 - var(--k)) * 24px)); opacity: var(--k); }
.rec small { font: 500 10px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #e9a23b; }
.rec b { display: block; margin-top: 8px; font: 400 30px/.95 var(--display); }

/* ---------- 02 brand: clip-art to identity system ---------- */
.board { background: #fff; }
.old-logo { position: absolute; left: 330px; top: 170px; display: flex; align-items: center; gap: 14px; transform: scale(calc(1 - var(--k) * .4)); opacity: calc(1 - var(--k)); }
.old-logo i { width: 70px; height: 70px; border-radius: 50% 0; background: linear-gradient(135deg, #22c55e, #84cc16); transform: rotate(45deg); }
.old-logo b { font: 700 44px/1 "Comic Sans MS", "Chalkboard SE", cursive; color: #e11d48; }
.old-chips { position: absolute; left: 300px; top: 300px; display: flex; gap: 12px; }
.old-chips i { width: 54px; height: 54px; border-radius: 50%; }
.board .wm { position: absolute; left: 60px; top: 70px; color: #1b1612; }
.board .wm .mk { display: inline-grid; place-items: center; width: 64px; height: 64px; background: #b8461b; color: #f4efe6; border-radius: 50%; font: 400 40px/1 var(--display); vertical-align: middle; margin-right: 14px; transform: scale(var(--k)); }
.board .wm .nm { display: inline-block; font: 400 84px/.9 var(--display); letter-spacing: .03em; vertical-align: middle; clip-path: inset(0 calc((1 - var(--k)) * 100%) 0 0); }
.board .wm .sub { display: block; margin: 6px 0 0 80px; font: 500 12px/1 var(--mono); letter-spacing: .3em; color: #b8461b; opacity: var(--k); }
.pal { position: absolute; left: 60px; top: 250px; display: grid; grid-template-columns: repeat(4, 110px); gap: 10px; }
.pal div { height: 120px; padding: 10px; display: flex; align-items: flex-end; font: 500 10px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; transform: translateY(calc((1 - var(--k)) * 40px)); opacity: var(--k); }
.spec { position: absolute; left: 60px; top: 410px; display: flex; gap: 40px; color: #1b1612; opacity: var(--k); transform: translateX(calc((1 - var(--k)) * -30px)); }
.spec div b { display: block; font: 400 72px/1 var(--display); } .spec div:last-child b { font: 600 60px/1.2 var(--body); }
.spec small { font: 500 10px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #6b5d50; }
.jar { position: absolute; left: 600px; top: 200px; width: 150px; height: 220px; border-radius: 26px 26px 18px 18px; background: linear-gradient(90deg, #6d4a2f, #8a5a2b 40%, #5b3b22); box-shadow: inset 0 0 0 4px rgba(0,0,0,.15); transform: translateY(calc((1 - var(--k)) * 60px)); opacity: var(--k); }
.jar::before { content: ""; position: absolute; left: 10px; right: 10px; top: -22px; height: 30px; border-radius: 8px; background: #1b1612; }
.jar .lb { position: absolute; left: 0; right: 0; top: 60px; height: 100px; background: #f4efe6; display: grid; place-items: center; text-align: center; color: #1b1612; }
.jar .lb b { font: 400 30px/.9 var(--display); } .jar .lb small { display: block; font: 500 8px/1.2 var(--mono); letter-spacing: .14em; color: #b8461b; }
.card { position: absolute; left: 780px; top: 330px; width: 180px; height: 105px; background: #1b1612; color: #f4efe6; padding: 14px; transform: rotate(calc(-6deg * var(--k))) translateX(calc((1 - var(--k)) * 60px)); opacity: var(--k); box-shadow: 10px 12px 20px -12px rgba(0,0,0,.6); }
.card b { font: 400 24px/1 var(--display); } .card small { display: block; margin-top: 30px; font: 500 8px/1.4 var(--mono); letter-spacing: .12em; color: #e9a23b; }

/* ---------- 04 video: a still post becomes a film ---------- */
.player { background: #111; }
.still { position: absolute; left: 220px; top: 60px; width: 560px; height: 400px; background: #ffd400; display: grid; place-items: center; text-align: center; color: #e11d48; opacity: calc(1 - var(--k)); transform: scale(calc(1 - var(--k) * .1)); }
.still b { font: 900 74px/1 "Arial Black", Impact, sans-serif; } .still small { display: block; color: #111; font: 600 16px/1.4 Arial, sans-serif; }
.still .ph { position: absolute; left: 20px; top: 20px; width: 120px; height: 90px; background: repeating-linear-gradient(45deg, #ccc 0 8px, #ddd 8px 16px); }
.screen { position: absolute; left: 60px; top: 30px; width: 880px; height: 450px; background: #1b1612; overflow: hidden; opacity: var(--k); }
.screen .sp { position: absolute; inset: -20%; background: radial-gradient(circle at 35% 45%, #e9a23b 0 9%, transparent 10%), radial-gradient(circle at 58% 52%, #c2410c 0 12%, transparent 13%), radial-gradient(circle at 46% 66%, #7c2d12 0 8%, transparent 9%), #2a1a10; transform: scale(calc(1 + var(--k) * .35)); }
.word { position: absolute; left: 0; right: 0; top: 50%; text-align: center; font: 400 120px/1 var(--display); color: #f4efe6; transform: translateY(-50%) scale(calc(.8 + var(--k) * .2)); opacity: calc(var(--k) * (1 - var(--o, 0))); letter-spacing: .02em; }
.word.r { color: #e9a23b; }
.endcard { position: absolute; inset: 0; display: grid; place-items: center; background: #f4efe6; color: #1b1612; text-align: center; opacity: var(--k); }
.endcard b { font: 400 92px/.9 var(--display); } .endcard small { display: block; font: 500 12px/1 var(--mono); letter-spacing: .3em; color: #b8461b; }
.tl { position: absolute; left: 60px; right: 60px; bottom: 30px; height: 70px; opacity: var(--k); }
.tl .frames { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; height: 44px; }
.tl .frames i { background: #2a1a10; border: 1px solid #3a2a1a; } .tl .frames i:nth-child(odd) { background: #3b2416; }
.tl .track { position: relative; height: 4px; margin-top: 10px; background: #333; }
.tl .head { position: absolute; top: -50px; bottom: -4px; width: 2px; background: #ff1e1e; left: calc(var(--t, 0) * 100%); }
.tl .head::before { content: ""; position: absolute; top: -6px; left: -5px; width: 12px; height: 12px; background: #ff1e1e; clip-path: polygon(0 0, 100% 0, 50% 100%); }

/* ---------- 05 social: mismatched feed becomes a system ---------- */
.social { background: #e9e4da; }
.phone { position: absolute; left: 70px; top: 26px; width: 300px; height: 548px; border-radius: 34px; background: #111; padding: 14px; }
.phone .scr { width: 100%; height: 100%; border-radius: 22px; background: #fff; overflow: hidden; display: grid; grid-template-rows: auto auto 1fr; }
.phone .hd { display: flex; align-items: center; gap: 10px; padding: 14px 12px 8px; } .phone .hd i { width: 38px; height: 38px; border-radius: 50%; background: #b8461b; } .phone .hd b { font: 600 13px/1 var(--body); }
.phone .cap { padding: 0 12px 10px; font-size: 11.5px; line-height: 1.35; color: #333; position: relative; min-height: 46px; }
.phone .cap span { position: absolute; left: 12px; right: 12px; top: 0; }
.feed { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; align-content: start; perspective: 600px; }
.tile { position: relative; aspect-ratio: 1; transform-style: preserve-3d; transform: rotateY(calc(var(--k) * 180deg)); }
.tile > div { position: absolute; inset: 0; backface-visibility: hidden; display: grid; place-items: center; text-align: center; font-size: 10px; padding: 4px; overflow: hidden; }
.tile .bk { transform: rotateY(180deg); }
.cal { position: absolute; left: 430px; top: 70px; width: 520px; }
.cal h4 { margin: 0 0 12px; font: 500 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #1b1612; }
.cal .g { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.cal .d { height: 92px; background: #fff; border: 1px solid #cfc7b8; padding: 6px; font: 500 10px/1 var(--mono); color: #6b5d50; position: relative; }
.cal .d em { position: absolute; left: 5px; right: 5px; bottom: 6px; padding: 5px 4px; font: 600 10px/1.15 var(--body); font-style: normal; color: #fff; opacity: var(--k); transform: translateY(calc((1 - var(--k)) * 10px)); }
.tone { position: absolute; left: 430px; top: 420px; width: 520px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tone div { padding: 12px; font-size: 13px; line-height: 1.4; }
.tone small { display: block; font: 500 10px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; margin-bottom: 6px; }

/* ---------- 06 AI: inbox chaos becomes sorted lanes ---------- */
.app { background: #f6f6f4; }
.app .top { position: absolute; left: 0; right: 0; top: 0; height: 44px; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; border-bottom: 1px solid #ddd; font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: #333; }
.app .top b { color: #b8461b; font-weight: 500; }
.lane-h { position: absolute; top: 60px; width: 300px; padding-bottom: 6px; border-bottom: 2px solid #1b1612; font: 500 11px/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #1b1612; opacity: var(--k); }
.lane-h small { display: block; color: #6b5d50; letter-spacing: .04em; text-transform: none; font-family: var(--body); font-size: 11px; }
.msg { width: 300px; height: 40px; padding: 0 12px; display: flex; align-items: center; justify-content: space-between; gap: 8px; background: #fff; border: 1px solid #ddd; font: 500 12.5px/1 var(--body); color: #1b1612; }
.msg em { font: 600 9.5px/1 var(--mono); font-style: normal; letter-spacing: .08em; text-transform: uppercase; padding: 4px 6px; color: #fff; opacity: var(--k); }
.msg.unread::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #2563eb; flex: none; opacity: calc(1 - var(--k)); }
.draft { position: absolute; left: 670px; top: 330px; width: 300px; padding: 14px; background: #1b1612; color: #f4efe6; font-size: 12.5px; line-height: 1.45; opacity: var(--k); transform: translateY(calc((1 - var(--k)) * 20px)); }
.draft small { display: block; font: 500 10px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #e9a23b; margin-bottom: 8px; }
.draft span { display: block; clip-path: inset(0 0 calc((1 - var(--k)) * 100%) 0); }
.meter { position: absolute; right: 20px; bottom: 16px; display: flex; gap: 10px; align-items: center; padding: 8px 12px; background: #1b1612; color: #fff; font: 500 11px/1 var(--mono); letter-spacing: .1em; }

@media (max-width: 980px) {
  .scene { height: 300svh; }
  .scene .stage { grid-template-columns: 1fr; align-content: start; gap: 12px; padding-top: 52px; }
}
/* short or zoomed screens: no pinning, so nothing is trapped inside a fixed-height stage (WCAG 1.4.10) */
@media (max-height: 520px) {
  .scene, .story .rebuild { height: auto; } .scene .stage, .story .rebuild .stage { position: relative; top: 0; height: auto; padding-block: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  .scene, .story .rebuild { height: auto; } .scene .stage, .story .rebuild .stage { position: relative; top: 0; height: auto; padding-block: 60px; }
  .tile { transform: rotateY(180deg); }
}