/* ==========================================================================
   LiftLoggr — The Museum of Progress
   Desktop (≥1024px) is laid out on a 1448-unit grid that scales with the
   viewport: 1 unit = var(--u). Below 1024px the page re-flows into a stacked
   layout using ordinary rem/px sizes.
   ========================================================================== */

@font-face {
  font-family: "Fraunces";
  src: url("../fonts/fraunces-var.woff2") format("woff2");
  font-weight: 300 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-var.woff2") format("woff2");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter Tight";
  src: url("../fonts/inter-tight-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  /* surfaces */
  --night: #12120e;
  --night-2: #161612;
  --night-line: rgb(243 238 227 / 0.12);
  --stone: #cdc4b2;
  /* type colours */
  --cream: #f3eee3;
  --cream-2: #d9d4c8;
  --cream-3: #a29d91;
  --ink: #1b1914;
  --ink-2: #39352d;
  --lemon: #eef27b;
  --lemon-2: #d8dc6c;
  --lemon-ink: #15150f;
  /* engraving */
  --carve: rgb(34 31 26 / 0.62);
  --carve-hi: rgb(255 250 238 / 0.16);

  --serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display-sans: "Inter Tight", "Inter", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* 1 design unit; cqw resolves against the nearest size container
     (body, or the hero stage). */
  --u: calc(100cqw / 1448);

  --ease: cubic-bezier(.2, .7, .1, 1);
}
@supports not (width: 1cqw) {
  :root { --u: calc(100vw / 1448); }
}

*, *::before, *::after { box-sizing: border-box; }

html {
  background: var(--night);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  container-type: inline-size;
  margin: 0;
  min-height: 100vh;
  background: var(--night);
  color: var(--cream);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-variant-numeric: tabular-nums;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}
main { flex: 1 0 auto; }

h1, h2, h3, p, ol, ul { margin: 0; padding: 0; }
ol, ul { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
img { display: block; max-width: 100%; }
strong { font-weight: 500; color: var(--cream); }

:focus-visible {
  outline: 1.5px solid var(--lemon);
  outline-offset: 3px;
}

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* translated runs (see assets/js/i18n.js) take no box of their own */
t-r { display: contents; }
/* non-English visitors see nothing until their strings are in (≤1.5s) */
.i18n-pending body { visibility: hidden; }
.icon { width: 1em; height: 1em; flex: none; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  padding: 10px 14px;
  background: var(--lemon); color: var(--lemon-ink);
  font-weight: 600; font-size: 14px;
  transition: top .2s;
}
.skip-link:focus { top: 12px; }

/* ---------- shared atoms ---------- */

.eyebrow {
  font-family: var(--mono);
  font-weight: 400;
  font-size: max(8px, calc(var(--u) * 8.2));
  line-height: 1.75;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.eyebrow--lemon { color: var(--lemon-2); }
.eyebrow--cream { color: var(--cream-2); }

.btn {
  --btn-pad: calc(var(--u) * 20);
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: calc(var(--u) * 18);
  height: max(32px, calc(var(--u) * 37));
  padding: 0 var(--btn-pad);
  font-family: var(--sans);
  font-weight: 500;
  font-size: max(11.5px, calc(var(--u) * 11.6));
  letter-spacing: .005em;
  white-space: nowrap;
  transition: background-color .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.btn .icon {
  width: max(11px, calc(var(--u) * 11));
  height: max(11px, calc(var(--u) * 11));
  transition: transform .3s var(--ease);
}
.btn:hover .icon { transform: translate(2px, -2px); }

.btn--solid {
  background: var(--lemon);
  color: var(--lemon-ink);
  box-shadow: 0 0 0 0 rgb(238 242 123 / 0);
}
.btn--solid:hover {
  background: #f5f89a;
  box-shadow: 0 8px 28px -10px rgb(238 242 123 / .45);
}
.btn--outline {
  color: var(--cream);
  box-shadow: inset 0 0 0 max(1px, calc(var(--u) * 1.4)) var(--lemon);
}
.btn--outline:hover { background: rgb(238 242 123 / .1); }

.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: calc(var(--u) * 5);
  font-size: max(10.5px, calc(var(--u) * 10.4));
  font-weight: 500;
  color: var(--ink);
  background: linear-gradient(currentColor, currentColor) left bottom / 100% 1px no-repeat;
}
.text-link .icon {
  width: calc(var(--u) * 16);
  height: calc(var(--u) * 16);
  min-width: 14px; min-height: 14px;
  transition: transform .3s var(--ease);
}
.text-link:hover .icon { transform: translateX(4px); }

.rule {
  display: block;
  width: calc(var(--u) * 19);
  height: 1px;
  background: currentColor;
  opacity: .7;
}

/* ==========================================================================
   MASTHEAD
   ========================================================================== */

.masthead {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 20;
  height: calc(var(--u) * 61);
  padding: 0 calc(var(--u) * 57);
  display: flex;
  align-items: center;
}

.logo {
  font-family: var(--display-sans);
  font-weight: 800;
  font-size: calc(var(--u) * 24.5);
  letter-spacing: -.045em;
  line-height: 1;
  color: var(--lemon);
  margin-top: calc(var(--u) * -2);
  transform: scaleY(1.04);
}

.nav {
  position: absolute;
  left: calc(var(--u) * 292);
  top: 0;
  height: 100%;
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 39);
}
.nav a {
  position: relative;
  font-family: var(--mono);
  font-size: max(8px, calc(var(--u) * 8.2));
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgb(243 238 227 / .82);
  padding: 6px 0;
  transition: color .2s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: .3em; bottom: 0;
  height: 1px;
  background: var(--lemon);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.nav a:hover { color: var(--cream); }
.nav a:hover::after { transform: scaleX(1); }

.masthead__cta {
  min-width: calc(var(--u) * 133);
  margin-top: calc(var(--u) * 1);
  padding: 0 calc(var(--u) * 21) 0 calc(var(--u) * 20);
}

.menu-toggle { display: none; }

/* language switch, sits just left of the CTA */
.lang {
  display: flex;
  align-items: center;
  margin-left: auto;
  margin-right: calc(var(--u) * 22);
  font-family: var(--mono);
  font-size: max(8.5px, calc(var(--u) * 8.6));
  letter-spacing: .2em;
}
.lang button {
  padding: 6px 4px;
  font: inherit;
  letter-spacing: inherit;
  color: rgb(243 238 227 / .5);
  transition: color .2s;
}
.lang button + button::before {
  content: "/";
  margin-right: 8px;
  color: rgb(243 238 227 / .25);
}
.lang button:hover { color: var(--cream); }
.lang button[aria-pressed="true"] { color: var(--lemon); }
html:not(.js) .lang { display: none; }

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  position: relative;
  height: calc(var(--u) * 538);
  overflow: hidden;
  background: #17160f;
  isolation: isolate;
}

.hero__scene {
  position: absolute;
  inset: 0;
  z-index: -1;
}

/* The stage is its own size container so the overlays keep their
   1448×538 coordinates even when the stage is cropped on small screens. */
.stage {
  container-type: inline-size;
  position: absolute;
  left: 0; top: 0;
  width: 100%;
  aspect-ratio: 1448 / 538;
  background:
    url("../img/hero-hall.jpg") center / 100% 100% no-repeat,
    #1a1914;
}
.stage > * { position: absolute; }

.stage__shade {
  inset: 0;
  background:
    linear-gradient(180deg, rgb(10 10 8 / .55) 0%, rgb(10 10 8 / 0) 16%),
    linear-gradient(90deg, rgb(10 10 8 / .62) 0%, rgb(10 10 8 / .38) 24%, rgb(10 10 8 / 0) 40%),
    linear-gradient(0deg, rgb(10 10 8 / .25) 0%, rgb(10 10 8 / 0) 12%);
  pointer-events: none;
}

/* engraved wall inscriptions, set in perspective along the receding walls */
.inscription {
  font-family: var(--serif);
  font-weight: 400;
  font-size: calc(var(--u) * 14.4);
  line-height: calc(var(--u) * 27.5);
  letter-spacing: .21em;
  text-transform: uppercase;
  color: rgb(28 26 22 / .58);
  text-shadow: 0 1px 0 rgb(255 248 230 / .07);
  mix-blend-mode: multiply;
  white-space: nowrap;
}
.inscription::after {
  content: "";
  display: block;
  width: calc(var(--u) * 21);
  height: max(1px, calc(var(--u) * 1.2));
  margin-top: calc(var(--u) * 26);
  background: currentColor;
}
.inscription--left {
  left: calc(var(--u) * 529);
  top: calc(var(--u) * 141);
  transform-origin: 0 50%;
  transform: perspective(calc(var(--u) * 900)) rotateY(32deg);
}
.inscription--right {
  left: calc(var(--u) * 1254);
  top: calc(var(--u) * 142);
  font-size: calc(var(--u) * 13.6);
  line-height: calc(var(--u) * 25);
  color: rgb(30 28 24 / .55);
  transform-origin: 100% 50%;
  transform: perspective(calc(var(--u) * 900)) rotateY(-36deg);
}
.inscription--right::after { margin-top: calc(var(--u) * 33); }

/* carved pedestal plaques */
.plaque {
  color: var(--carve);
  text-shadow: 0 max(.5px, calc(var(--u) * .8)) 0 var(--carve-hi);
  mix-blend-mode: multiply;
  white-space: nowrap;
}
.plaque--statue {
  left: calc(var(--u) * 632);
  top: calc(var(--u) * 417);
  width: calc(var(--u) * 240);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.plaque__name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: calc(var(--u) * 17.5);
  line-height: 1;
  letter-spacing: .27em;
  margin-right: -.27em;
  text-transform: uppercase;
}
.plaque__sub {
  margin-top: calc(var(--u) * 15);
  font-family: var(--mono);
  font-size: calc(var(--u) * 7.6);
  letter-spacing: .52em;
  margin-right: -.52em;
  text-transform: uppercase;
  opacity: .9;
}
.plaque--phone {
  left: calc(var(--u) * 1048);
  top: calc(var(--u) * 428);
}
.plaque__line {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-size: calc(var(--u) * 11.5);
  line-height: calc(var(--u) * 20);
  letter-spacing: .26em;
  text-transform: uppercase;
}
.plaque--phone::after {
  content: "";
  display: block;
  width: calc(var(--u) * 19);
  height: max(1px, calc(var(--u) * 1.2));
  margin-top: calc(var(--u) * 21);
  margin-left: calc(var(--u) * 2);
  background: currentColor;
}

/* the stone riser the phone stands on */
.slab {
  left: calc(var(--u) * 1001);
  top: calc(var(--u) * 376);
  width: calc(var(--u) * 204);
  height: calc(var(--u) * 15);
  background:
    linear-gradient(180deg, #e2d8c4 0 34%, #b3a891 34% 40%, #cbc0a9 40%, #a39780 100%);
  box-shadow:
    0 calc(var(--u) * 3) calc(var(--u) * 6) rgb(0 0 0 / .35),
    inset 0 1px 0 rgb(255 255 255 / .25);
  clip-path: polygon(1.5% 0, 98.5% 0, 100% 34%, 100% 100%, 0 100%, 0 34%);
}
.slab::after {
  /* screen glow pooling on the riser */
  content: "";
  position: absolute;
  left: 25%; right: 25%; top: 0; height: 34%;
  background: radial-gradient(50% 100% at 50% 0%, rgb(238 242 123 / .35), transparent 70%);
}

/* ---------- phone ---------- */

.phone {
  /* screen = 130.6u wide at the screenshot's 480:1043, so the body is 292u tall
     and its base stays on the riser at y 380 */
  left: calc(var(--u) * 1030);
  top: calc(var(--u) * 88);
  width: calc(var(--u) * 139);
  height: calc(var(--u) * 292);
  transform-origin: 50% 100%;
  transform: perspective(calc(var(--u) * 1400)) rotateY(-9deg) rotateZ(1.1deg);
  filter: drop-shadow(calc(var(--u) * -6) calc(var(--u) * 10) calc(var(--u) * 14) rgb(0 0 0 / .55));
}
.phone__body {
  position: absolute;
  inset: 0;
  border-radius: calc(var(--u) * 21);
  padding: calc(var(--u) * 4.2);
  background: linear-gradient(100deg, #2a2a27 0%, #0d0d0c 18%, #0b0b0a 80%, #33332f 100%);
  box-shadow:
    inset 0 0 0 calc(var(--u) * .9) #45453f,
    inset 0 0 0 calc(var(--u) * 2) #0a0a09;
}
.phone__screen {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: calc(var(--u) * 17);
  background: #0e0e0c;
  font-family: var(--display-sans);
  color: #f1efe8;
}
.phone__shot {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}
.phone__island {
  position: absolute;
  left: 50%;
  top: calc(var(--u) * 3.4);
  width: calc(var(--u) * 40);
  height: calc(var(--u) * 11.5);
  border-radius: 99px;
  background: #000;
  transform: translateX(-50%);
}
.phone__glare {
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, rgb(255 255 255 / .07) 0%, rgb(255 255 255 / .02) 38%, transparent 38.2%);
  pointer-events: none;
}

/* ---------- hero copy ---------- */

.hero__copy {
  position: absolute;
  left: calc(var(--u) * 58);
  top: calc(var(--u) * 104);
  width: calc(var(--u) * 560);
}
.hero__copy .eyebrow {
  font-size: max(8.5px, calc(var(--u) * 9));
  letter-spacing: .3em;
}
.scramble {
  display: inline-block;
  margin-left: .55em;
  min-width: 8.5ch;
}
.scramble[data-scrambling] { color: var(--lemon); }

.hero__title {
  margin-top: calc(var(--u) * 2);
  margin-left: calc(var(--u) * -3);
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 400;
  font-size: calc(var(--u) * 86);
  line-height: .875;
  letter-spacing: -.035em;
  color: var(--cream);
  text-wrap: balance;
}
.hero__lede {
  margin-top: calc(var(--u) * 13);
  max-width: max(330px, calc(var(--u) * 360));
  font-size: max(13px, calc(var(--u) * 14.6));
  line-height: 1.58;
  color: var(--cream-2);
  letter-spacing: .002em;
}
.hero__actions {
  margin-top: calc(var(--u) * 28);
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 33);
}
.btn--hero {
  min-width: calc(var(--u) * 180);
  height: max(36px, calc(var(--u) * 41));
  padding: 0 calc(var(--u) * 22);
  font-size: max(12px, calc(var(--u) * 12.6));
}

.tour-link {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--u) * 13);
  text-align: left;
}
.tour-link__disc {
  display: grid;
  place-items: center;
  width: calc(var(--u) * 31);
  height: calc(var(--u) * 31);
  min-width: 26px; min-height: 26px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 max(1px, calc(var(--u) * 1.3)) rgb(243 238 227 / .85);
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease), color .3s;
}
.tour-link__disc .icon {
  width: 46%;
  height: 46%;
  margin-left: 6%;
}
.tour-link:hover .tour-link__disc {
  background: var(--cream);
  color: var(--night);
}
.tour-link__text {
  display: flex;
  flex-direction: column;
  font-size: max(11px, calc(var(--u) * 11));
  line-height: 1.3;
  color: var(--cream-2);
}
.tour-link__text small {
  font-family: var(--mono);
  font-size: max(8.5px, calc(var(--u) * 8.4));
  letter-spacing: .08em;
  color: var(--cream-3);
}

/* ==========================================================================
   EXHIBITIONS
   ========================================================================== */

.exhibits {
  position: relative;
  height: calc(var(--u) * 334);
  overflow: hidden;
  color: var(--ink);
  background: var(--stone);
  isolation: isolate;
}
.exhibits__wall {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    url("../img/exhibits-wall.jpg") center / cover no-repeat,
    var(--stone);
}
.exhibits__wall::after {
  /* the seam where the dark hero hall meets the gallery wall */
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: calc(var(--u) * 6);
  background: linear-gradient(180deg, rgb(20 19 15 / .35), transparent);
}

.exhibits__head {
  position: absolute;
  left: calc(var(--u) * 58);
  top: calc(var(--u) * 21);
}
.exhibits__head .eyebrow { font-size: max(8px, calc(var(--u) * 8)); }
.exhibits__title {
  margin-top: calc(var(--u) * 5);
  margin-left: calc(var(--u) * -1);
  font-family: var(--serif);
  font-weight: 400;
  font-size: calc(var(--u) * 33);
  line-height: calc(var(--u) * 33.5);
  letter-spacing: -.045em;
  color: var(--ink);
}

.exhibits__curated {
  position: absolute;
  left: calc(var(--u) * 785);
  top: calc(var(--u) * 41);
  color: var(--ink-2);
}
.exhibits__curated .eyebrow {
  font-size: max(7.5px, calc(var(--u) * 7.6));
  letter-spacing: .2em;
  line-height: 2.15;
}
.exhibits__curated .rule {
  margin-top: calc(var(--u) * 10);
  width: calc(var(--u) * 18);
}

.exhibits__all {
  position: absolute;
  right: calc(var(--u) * 62);
  top: calc(var(--u) * 54);
  min-width: calc(var(--u) * 126);
  white-space: nowrap;
}

.exhibits__divider {
  position: absolute;
  left: calc(var(--u) * 724);
  top: calc(var(--u) * 22);
  height: calc(var(--u) * 270);
  width: 1px;
  background: linear-gradient(180deg, rgb(40 36 30 / .18), rgb(40 36 30 / .12) 80%, transparent);
}

.exhibits__list { position: absolute; inset: 0; }

.exhibit { position: absolute; inset: 0; pointer-events: none; }
.exhibit__text {
  position: absolute;
  pointer-events: auto;
}
.exhibit__num {
  display: block;
  font-family: var(--serif);
  font-size: calc(var(--u) * 14);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--ink-2);
}
.exhibit__title {
  margin-top: calc(var(--u) * 6);
  font-family: var(--serif);
  font-weight: 400;
  font-size: calc(var(--u) * 19);
  line-height: calc(var(--u) * 19.5);
  letter-spacing: -.04em;
  color: var(--ink);
  white-space: nowrap;
}
.exhibit__caption {
  margin-top: calc(var(--u) * 11);
  font-family: var(--mono);
  font-size: max(7.5px, calc(var(--u) * 7.4));
  line-height: calc(var(--u) * 12.4);
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.exhibit__arrow {
  display: inline-flex;
  margin-top: calc(var(--u) * 20);
  margin-left: calc(var(--u) * -1);
  padding: 4px 6px 4px 0;
  color: var(--ink);
}
.exhibit__arrow .icon {
  width: calc(var(--u) * 17);
  height: calc(var(--u) * 17);
  min-width: 14px; min-height: 14px;
  transition: transform .35s var(--ease);
}
.exhibit__arrow::after {
  /* widen the click target to the whole caption block */
  content: "";
  position: absolute;
  inset: calc(var(--u) * -12) calc(var(--u) * -10);
}
.exhibit:hover .exhibit__arrow .icon,
.exhibit:focus-within .exhibit__arrow .icon { transform: translateX(5px); }

/* Objects are photographed on the same wall; the mask feathers their frame
   into the continuous wall behind. Each box is placed so the plinth base sits
   on the gallery floor (y = 317 units). */
.exhibit__object {
  position: absolute;
  z-index: -1;
  object-fit: cover;
  object-position: 50% 100%;
  -webkit-mask-image:
    linear-gradient(90deg, transparent 0, #000 17%, #000 83%, transparent 100%),
    linear-gradient(180deg, transparent 0, #000 22%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(90deg, transparent 0, #000 17%, #000 83%, transparent 100%),
    linear-gradient(180deg, transparent 0, #000 22%);
  mask-composite: intersect;
  transition: transform .8s var(--ease), filter .8s var(--ease);
}
.exhibit:hover .exhibit__object { transform: translateY(calc(var(--u) * -3)); filter: brightness(1.04); }

.exhibit--first .exhibit__text { left: calc(var(--u) * 88); top: calc(var(--u) * 147); }
.exhibit--streak .exhibit__text { left: calc(var(--u) * 445); top: calc(var(--u) * 147); }
.exhibit--records .exhibit__text { left: calc(var(--u) * 757); top: calc(var(--u) * 147); }
.exhibit--long .exhibit__text { left: calc(var(--u) * 1080); top: calc(var(--u) * 147); }

/* 1:1 images — plinth spans the middle 55% and its base sits at 90% height */
.exhibit--first .exhibit__object { left: calc(var(--u) * 111); top: calc(var(--u) * 37); width: calc(var(--u) * 306); height: calc(var(--u) * 306); }
.exhibit--streak .exhibit__object { left: calc(var(--u) * 460); top: calc(var(--u) * 59); width: calc(var(--u) * 287); height: calc(var(--u) * 287); }
.exhibit--records .exhibit__object { left: calc(var(--u) * 786); top: calc(var(--u) * 41); width: calc(var(--u) * 307); height: calc(var(--u) * 307); }
/* 5:4 image — plinth spans the middle 70% and its base sits at 90% height */
.exhibit--long .exhibit__object { left: calc(var(--u) * 1099); top: calc(var(--u) * 70); width: calc(var(--u) * 343); height: calc(var(--u) * 274.4); }

/* ==========================================================================
   DIFFERENCE
   ========================================================================== */

.difference {
  position: relative;
  height: max(calc(var(--u) * 150), 136px);
  padding: 0 calc(var(--u) * 58);
  display: flex;
  align-items: flex-start;
  background: var(--night-2);
}
.difference__intro { padding-top: calc(var(--u) * 33); }
.difference__intro .eyebrow { font-size: max(8px, calc(var(--u) * 8)); }
.difference__title {
  margin-top: calc(var(--u) * 6);
  margin-left: calc(var(--u) * -1);
  font-family: var(--serif);
  font-weight: 400;
  font-size: calc(var(--u) * 40);
  line-height: 1.1;
  letter-spacing: -.035em;
  color: var(--cream);
  white-space: nowrap;
}

.pillars {
  position: absolute;
  left: calc(var(--u) * 728);
  top: calc(var(--u) * 33);
  width: calc(var(--u) * 489);
  min-height: calc(var(--u) * 85);
  display: flex;
  border-left: 1px solid var(--night-line);
  border-right: 1px solid var(--night-line);
}
.pillar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.pillar { flex: 166 1 0; min-width: 0; padding: 0 4px; }
.pillar:nth-child(2) { flex-grow: 140; }
.pillar:nth-child(3) { flex-grow: 183; }
.pillar__icon {
  flex: none;
  width: calc(var(--u) * 23);
  height: calc(var(--u) * 23);
  color: var(--cream);
}
.pillar__label {
  margin-top: calc(var(--u) * 13);
  font-family: var(--mono);
  font-weight: 400;
  font-size: max(7.5px, calc(var(--u) * 7.6));
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--lemon-2);
}
.pillar__text {
  margin-top: calc(var(--u) * 8);
  font-size: max(10px, calc(var(--u) * 10.4));
  line-height: 1.55;
  color: var(--cream-3);
}
.pillar__text strong { color: rgb(243 238 227 / .92); font-weight: 450; }

.difference__cta {
  position: absolute;
  right: calc(var(--u) * 58);
  top: calc(var(--u) * 32);
  min-width: calc(var(--u) * 132);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.difference__cta .btn { min-width: 100%; padding: 0 calc(var(--u) * 21) 0 calc(var(--u) * 20); }
.difference__cta .eyebrow {
  margin-top: calc(var(--u) * 16);
  margin-right: -.3em;
  white-space: nowrap;
  font-size: max(7.5px, calc(var(--u) * 7.6));
  line-height: 1.85;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  position: relative;
  height: calc(var(--u) * 64);
  margin: 0 calc(var(--u) * 58);
  display: flex;
  align-items: center;
  border-top: 1px solid var(--night-line);
  background: var(--night-2);
  box-shadow: 0 0 0 100vmax var(--night-2);
  clip-path: inset(0 -100vmax);
}
.footer__brand { display: flex; align-items: baseline; gap: calc(var(--u) * 22); }
.footer__logo {
  font-family: var(--mono);
  font-weight: 500;
  font-size: max(10px, calc(var(--u) * 10.6));
  letter-spacing: .24em;
  color: var(--cream);
}
.footer__tagline,
.footer__links a {
  font-family: var(--mono);
  font-size: max(7px, calc(var(--u) * 7));
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cream-3);
}
.footer__links {
  margin-left: auto;
  display: flex;
  gap: calc(var(--u) * 37);
  margin-right: -.2em;
}
.footer__links a { color: var(--cream-2); transition: color .2s; }
.footer__links a:hover { color: var(--lemon); }
.footer__legal {
  margin-left: calc(var(--u) * 37);
  font-family: var(--mono);
  font-size: max(7px, calc(var(--u) * 7));
  letter-spacing: .12em;
  color: var(--cream-3);
  white-space: nowrap;
}

/* ==========================================================================
   SHARED SECTION TYPE
   ========================================================================== */

.section-title {
  margin-top: calc(var(--u) * 12);
  font-family: var(--serif);
  font-weight: 400;
  font-size: max(36px, calc(var(--u) * 64));
  line-height: .95;
  letter-spacing: -.04em;
  color: var(--cream);
}

/* ==========================================================================
   THE COLLECTION
   ========================================================================== */

.collection {
  position: relative;
  padding: calc(var(--u) * 116) calc(var(--u) * 58) calc(var(--u) * 24);
  background:
    radial-gradient(70% 30% at 50% 0%, rgb(243 228 196 / .06), transparent 70%),
    var(--night);
}
.collection__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: calc(var(--u) * 60);
  padding-bottom: calc(var(--u) * 52);
  border-bottom: 1px solid var(--night-line);
}
.collection__intro {
  max-width: max(300px, calc(var(--u) * 360));
  font-size: max(14px, calc(var(--u) * 15));
  line-height: 1.6;
  color: var(--cream-3);
}

.room {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  column-gap: calc(var(--u) * 80);
  padding: calc(var(--u) * 64) 0;
  border-bottom: 1px solid var(--night-line);
}
.room:last-child { border-bottom: 0; }
.room__text { padding-left: calc(var(--u) * 30); max-width: calc(var(--u) * 520); }
.room--flip .room__text { order: 2; padding-left: 0; }

.room__kicker {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--mono);
  font-size: max(9px, calc(var(--u) * 9));
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--lemon-2);
}
.room__kicker span {
  font-family: var(--serif);
  font-size: max(16px, calc(var(--u) * 18));
  letter-spacing: .02em;
  color: var(--cream);
}
.room__title {
  margin-top: calc(var(--u) * 16);
  font-family: var(--serif);
  font-weight: 400;
  font-size: max(36px, calc(var(--u) * 58));
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--cream);
}
.room__body {
  margin-top: calc(var(--u) * 20);
  max-width: calc(var(--u) * 440);
  font-size: max(15px, calc(var(--u) * 16));
  line-height: 1.62;
  color: var(--cream-2);
}
.room__facts {
  margin-top: calc(var(--u) * 28);
  max-width: calc(var(--u) * 460);
  border-top: 1px solid var(--night-line);
}
.room__facts li {
  position: relative;
  padding: calc(var(--u) * 12) 0 calc(var(--u) * 12) calc(var(--u) * 26);
  border-bottom: 1px solid var(--night-line);
  font-size: max(13.5px, calc(var(--u) * 14));
  line-height: 1.5;
  color: var(--cream-2);
}
.room__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--u) * 12 + .75em);
  width: calc(var(--u) * 12);
  min-width: 10px;
  height: 1px;
  background: var(--lemon);
}
.room__facts b { font-weight: 600; color: var(--cream); }

/* Each room shows its piece in a vitrine: a photographed plinth under a
   spotlight (assets/img/vitrine-N.jpg, 2:3). The vitrine is its own size
   container and everything inside is placed in cqw/% of that photo, so the
   devices always stand on the plinth top:
     plinth top surface   y 72%–74%  (devices stand at 73%)
     plinth front face    x 18%–82%, y 74%–92%  (carved caption ~y 80%)
   If a photo is missing, the CSS cone and plinth below show instead. */
.vitrine {
  position: relative;
  container-type: inline-size;
  width: min(100%, calc(var(--u) * 520));
  aspect-ratio: 2 / 3;
  margin: 0 auto;
  isolation: isolate;
}
.vitrine::before {
  /* fallback spotlight cone */
  content: "";
  position: absolute;
  z-index: 0;
  left: 0;
  right: 0;
  top: 0;
  height: 76%;
  background: linear-gradient(180deg, rgb(255 236 196 / .16), rgb(255 236 196 / .05) 72%, transparent);
  clip-path: polygon(43% 0, 57% 0, 92% 100%, 8% 100%);
  filter: blur(14px);
  pointer-events: none;
}
.vitrine::after {
  /* fallback floor glow */
  content: "";
  position: absolute;
  z-index: 0;
  left: 5%;
  right: 5%;
  top: 88%;
  height: 8%;
  background: radial-gradient(50% 50% at 50% 50%, rgb(255 236 196 / .1), transparent 70%);
}
.vitrine__photo {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* feather the frame into the dark room */
  -webkit-mask-image:
    linear-gradient(90deg, transparent 0, #000 14%, #000 86%, transparent 100%),
    linear-gradient(180deg, transparent 0, #000 10%, #000 90%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(90deg, transparent 0, #000 14%, #000 86%, transparent 100%),
    linear-gradient(180deg, transparent 0, #000 10%, #000 90%, transparent 100%);
  mask-composite: intersect;
}
.vitrine__devices {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 27%;
  transform: translateX(-50%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.device { margin: 0; }
.device img { display: block; width: 100%; height: auto; color: transparent; background: #0e0e0c; }
.device--phone {
  position: relative;
  width: 42cqw;
  padding: 1.25cqw;
  border-radius: 7.1cqw;
  background: linear-gradient(100deg, #2a2a27 0%, #0d0d0c 18%, #0b0b0a 80%, #33332f 100%);
  box-shadow:
    inset 0 0 0 .22cqw #47473f,
    0 1.2cqw 2.4cqw -1cqw rgb(0 0 0 / .85);
}
.device--phone img { border-radius: 5.9cqw; }
.device--watch {
  position: absolute;
  right: -17cqw;
  bottom: 0;
  width: 21cqw;
  padding: 1.43cqw;
  border-radius: 6cqw;
  background: linear-gradient(100deg, #2b2b28, #0c0c0b 30%, #0c0c0b 75%, #33332f);
  box-shadow:
    inset 0 0 0 .22cqw #47473f,
    0 1cqw 2cqw -.8cqw rgb(0 0 0 / .85);
}
.device--watch img { border-radius: 4.5cqw; }
.device--watch::before {
  /* digital crown */
  content: "";
  position: absolute;
  right: -.7cqw;
  top: 30%;
  width: .9cqw;
  height: 3.6cqw;
  border-radius: 2px;
  background: linear-gradient(90deg, #3a3a36, #1a1a18);
}
/* centre each group of devices on the plinth */
.vitrine__devices--watch { transform: translateX(calc(-50% - 8.5cqw)); }
.vitrine__devices--pair { transform: translateX(calc(-50% + 9cqw)); }
.vitrine__devices--pair .device--back {
  position: absolute;
  right: 62%;
  bottom: 1.1cqw;
  width: 36.8cqw;
  filter: brightness(.6) saturate(.9);
}

.vitrine__plinth {
  /* fallback plinth, drawn where the photographed one stands */
  position: absolute;
  z-index: 0;
  left: 18%;
  top: 72%;
  width: 64%;
  height: 20%;
  background: linear-gradient(180deg, #ddd3bf 0 10%, #a89e8a 10% 12.5%, #c3b9a5 12.5%, #958b78 100%);
  clip-path: polygon(1.5% 0, 98.5% 0, 100% 10%, 100% 100%, 0 100%, 0 10%);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / .3);
}
.vitrine__plinth::after {
  content: "";
  position: absolute;
  inset: 10% 0 0;
  background: radial-gradient(60% 90% at 50% 0%, rgb(255 246 222 / .28), transparent 70%),
    linear-gradient(0deg, rgb(20 18 14 / .35), transparent 60%);
}

/* the caption is carved into the plinth face, like the hero plaques */
.vitrine__label {
  position: absolute;
  z-index: 3;
  left: 20%;
  right: 20%;
  top: 79.5%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1cqw;
  text-align: center;
  font-family: var(--mono);
  font-size: max(8px, 1.5cqw);
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgb(34 31 26 / .72);
  text-shadow: 0 1px 0 rgb(255 250 238 / .25);
  mix-blend-mode: multiply;
}
.vitrine__label b {
  font-family: var(--serif);
  font-weight: 400;
  font-size: max(12px, 2.6cqw);
  letter-spacing: .32em;
}

/* ==========================================================================
   VISITOR INFORMATION
   ========================================================================== */

.visit {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  column-gap: calc(var(--u) * 96);
  padding: calc(var(--u) * 108) calc(var(--u) * 58) calc(var(--u) * 84);
  color: var(--ink);
  background: url("../img/exhibits-wall.jpg") center / cover no-repeat, var(--stone);
  isolation: isolate;
}
.visit::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgb(20 19 15 / .3), transparent calc(var(--u) * 10)),
    linear-gradient(90deg, rgb(214 205 188 / .55), rgb(214 205 188 / .25));
}
.visit .section-title { color: var(--ink); }
.visit__lede {
  margin-top: calc(var(--u) * 24);
  max-width: calc(var(--u) * 450);
  font-size: max(15px, calc(var(--u) * 16));
  line-height: 1.62;
  color: var(--ink-2);
}

.numbers {
  display: flex;
  margin-top: calc(var(--u) * 52);
  max-width: calc(var(--u) * 480);
  border-top: 1px solid rgb(40 36 30 / .28);
}
.numbers li { flex: 1; padding-top: calc(var(--u) * 18); }
.numbers__n {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-size: max(44px, calc(var(--u) * 78));
  line-height: .9;
  letter-spacing: -.04em;
  font-variant-numeric: lining-nums tabular-nums;
  color: var(--ink);
}
.numbers__l {
  display: block;
  margin-top: calc(var(--u) * 12);
  font-family: var(--mono);
  font-size: max(8.5px, calc(var(--u) * 8.6));
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* a cream wall label, like the ones beside real museum pieces */
.placard {
  margin: 0;
  align-self: start;
  padding: calc(var(--u) * 14) calc(var(--u) * 38);
  background: linear-gradient(180deg, #f2ece0, #ebe4d5);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / .6),
    0 1px 1px rgb(60 50 30 / .12),
    0 calc(var(--u) * 30) calc(var(--u) * 60) calc(var(--u) * -30) rgb(60 50 30 / .5);
}
.placard > div {
  display: grid;
  grid-template-columns: calc(var(--u) * 150) 1fr;
  column-gap: calc(var(--u) * 20);
  padding: calc(var(--u) * 16) 0;
  border-bottom: 1px solid rgb(40 36 30 / .13);
}
.placard > div:last-child { border-bottom: 0; }
.placard dt {
  padding-top: calc(var(--u) * 6);
  font-family: var(--mono);
  font-size: max(8.5px, calc(var(--u) * 8.6));
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.placard dd {
  margin: 0;
  font-family: var(--serif);
  font-size: max(18px, calc(var(--u) * 21));
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--ink);
}
.placard dd span {
  display: block;
  margin-top: calc(var(--u) * 4);
  font-family: var(--sans);
  font-size: max(13px, calc(var(--u) * 13.5));
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--ink-2);
}

.admission {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: calc(var(--u) * 24) calc(var(--u) * 40);
  margin-top: calc(var(--u) * 72);
  padding-top: calc(var(--u) * 30);
  border-top: 1px solid rgb(40 36 30 / .28);
  scroll-margin-top: 80px;
}
.stores { display: flex; flex-wrap: wrap; gap: 12px; }
.store {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 52px;
  padding: 0 20px 0 15px;
  border-radius: 11px;
  background: #11110d;
  color: var(--cream);
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / .08);
  transition: background-color .2s, transform .25s var(--ease);
}
.store__mark { width: 24px; height: 24px; flex: none; }
.store > span {
  display: flex;
  flex-direction: column;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.05;
  letter-spacing: -.01em;
}
.store small {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--cream-3);
}
a.store:hover { background: #000; transform: translateY(-1px); }
.store.is-soon { cursor: default; }
.admission__note {
  margin-left: auto;
  font-family: var(--mono);
  font-size: max(8.5px, calc(var(--u) * 8.6));
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* ==========================================================================
   SUBPAGES  (privacy, contact, 404)
   ========================================================================== */

.page-hero {
  position: relative;
  min-height: max(440px, calc(var(--u) * 470));
  padding: calc(var(--u) * 150) calc(var(--u) * 58) calc(var(--u) * 64);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: url("../img/hero-hall.jpg") 58% 22% / cover no-repeat, #17160f;
  isolation: isolate;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  /* the bottom fade sits on top so the hero melts into the page colour */
  background:
    linear-gradient(0deg, var(--night) 0%, transparent 45%),
    linear-gradient(180deg, rgb(12 12 9 / .6) 0%, transparent 25%),
    linear-gradient(90deg, rgb(12 12 9 / .94) 0%, rgb(12 12 9 / .78) 45%, rgb(12 12 9 / .3) 100%);
}
.page-hero--full { min-height: 100vh; min-height: 100svh; justify-content: center; }
.page-hero h1 {
  margin-top: calc(var(--u) * 14);
  max-width: 13ch;
  font-family: var(--serif);
  font-weight: 400;
  font-size: max(46px, calc(var(--u) * 86));
  line-height: .9;
  letter-spacing: -.04em;
}
.page-hero__lede {
  margin-top: calc(var(--u) * 24);
  max-width: 37em;
  font-size: max(15px, calc(var(--u) * 16));
  line-height: 1.62;
  color: var(--cream-2);
}
.page-hero__date {
  margin-top: calc(var(--u) * 18);
  font-family: var(--mono);
  font-size: max(9px, calc(var(--u) * 9));
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--lemon-2);
}
.page-hero .btn { align-self: flex-start; margin-top: calc(var(--u) * 32); height: max(44px, calc(var(--u) * 44)); }

.policy-layout {
  display: grid;
  grid-template-columns: calc(var(--u) * 300) minmax(0, 1fr);
  column-gap: calc(var(--u) * 80);
  padding: calc(var(--u) * 40) calc(var(--u) * 58) calc(var(--u) * 120);
}
.toc {
  position: sticky;
  top: 32px;
  align-self: start;
  padding-top: calc(var(--u) * 30);
}
.toc ol { margin-top: 16px; counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc ol a {
  display: flex;
  gap: 14px;
  padding: 7px 0;
  font-size: max(13px, calc(var(--u) * 13));
  color: var(--cream-3);
  transition: color .2s;
}
.toc ol a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--mono);
  font-size: .82em;
  letter-spacing: .1em;
  color: var(--lemon-2);
  padding-top: .15em;
}
.toc ol a:hover { color: var(--cream); }
.toc__note {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--night-line);
  font-size: 13px;
  line-height: 1.55;
  color: var(--cream-3);
}
.toc__note a { color: var(--lemon); text-decoration: underline; text-underline-offset: 3px; }

.policy { max-width: 720px; counter-reset: sec; }
.policy section {
  counter-increment: sec;
  padding: calc(var(--u) * 30) 0 calc(var(--u) * 34);
  border-bottom: 1px solid var(--night-line);
  scroll-margin-top: 24px;
}
.policy section:last-child { border-bottom: 0; }
.policy h2 {
  display: flex;
  align-items: baseline;
  gap: 16px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: max(26px, calc(var(--u) * 32));
  line-height: 1.1;
  letter-spacing: -.03em;
}
.policy h2::before {
  content: counter(sec, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--lemon-2);
}
.policy p {
  margin-top: 14px;
  font-size: max(15px, calc(var(--u) * 16));
  line-height: 1.72;
  color: var(--cream-2);
}
.policy a,
.contact-card__alt a {
  color: var(--lemon);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.contact-wrap { padding: calc(var(--u) * 40) calc(var(--u) * 58) calc(var(--u) * 130); }
.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  column-gap: calc(var(--u) * 80);
  align-items: end;
  padding: calc(var(--u) * 56) 0 0;
  border-top: 1px solid var(--night-line);
}
.contact-card h2 {
  margin-top: 12px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: max(34px, calc(var(--u) * 52));
  line-height: 1;
  letter-spacing: -.04em;
}
.contact-card__body {
  margin-top: 18px;
  max-width: 30em;
  font-size: max(15px, calc(var(--u) * 16));
  line-height: 1.62;
  color: var(--cream-2);
}
.mail-link {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 10px;
  font-family: var(--serif);
  font-size: max(26px, calc(var(--u) * 46));
  letter-spacing: -.03em;
  color: var(--cream);
  background: linear-gradient(var(--lemon), var(--lemon)) left bottom / 100% 1.5px no-repeat;
  word-break: break-all;
  transition: color .2s;
}
.mail-link .icon { width: .5em; height: .5em; color: var(--lemon); transition: transform .3s var(--ease); }
.mail-link:hover { color: var(--lemon); }
.mail-link:hover .icon { transform: translate(3px, -3px); }
.contact-card__alt {
  margin-top: 22px;
  font-size: 14px;
  color: var(--cream-3);
}

/* ==========================================================================
   MOTION
   ========================================================================== */

@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 1s var(--ease), transform 1.2s var(--ease);
  }
  .js.is-ready .reveal { opacity: 1; transform: none; }
  .js .hero__copy .reveal:nth-child(2) { transition-delay: .08s; }
  .js .hero__copy .reveal:nth-child(3) { transition-delay: .18s; }
  .js .hero__copy .reveal:nth-child(4) { transition-delay: .28s; }

  .js .phone__shot {
    opacity: 0;
    transition: opacity 1s var(--ease) .45s;
  }
  .js.is-ready .phone__shot { opacity: 1; }

  .io .exhibit {
    opacity: 0;
    transition: opacity 1.1s var(--ease);
  }
  .io .exhibit .exhibit__object { transform: translateY(calc(var(--u) * 10)); }
  .io .exhibit.is-seen { opacity: 1; }
  .io .exhibit.is-seen .exhibit__object { transform: none; }
  .io .exhibit.is-seen:hover .exhibit__object { transform: translateY(calc(var(--u) * -3)); }
  .io .exhibit:nth-child(2) { transition-delay: .1s; }
  .io .exhibit:nth-child(3) { transition-delay: .2s; }
  .io .exhibit:nth-child(4) { transition-delay: .3s; }

  .io [data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 1.1s var(--ease), transform 1.2s var(--ease);
  }
  .io [data-reveal].is-seen { opacity: 1; transform: none; }
}

/* alignment helper: open the page with #align to outline every overlay */
.is-aligning .stage > *:not(.stage__shade),
.is-aligning .exhibit__object,
.is-aligning .exhibit__text,
.is-aligning .vitrine__label,
.is-aligning .vitrine__devices,
.is-aligning .vitrine__plinth { outline: 1px dashed #ff3d7f; }
.is-aligning .exhibit__object { -webkit-mask-image: none; mask-image: none; opacity: .85; }

/* ==========================================================================
   STACKED LAYOUT  (< 1024px)
   ========================================================================== */

@media (max-width: 1023.98px) {
  :root { --gutter: clamp(16px, 5vw, 40px); }

  .eyebrow { font-size: 10px; }

  /* masthead */
  .masthead {
    position: absolute;
    height: 64px;
    padding: 0 var(--gutter);
  }
  .logo { font-size: 22px; }
  .masthead__cta { display: none; }
  .lang { margin-right: 4px; font-size: 11px; }
  .menu-toggle {
    display: grid;
    place-items: center;
    width: 44px; height: 44px;
    margin-right: -10px;
    color: var(--cream);
  }
  .menu-toggle .icon { width: 22px; height: 22px; }
  .menu-toggle .icon--close,
  .menu-toggle[aria-expanded="true"] .icon--menu { display: none; }
  .menu-toggle[aria-expanded="true"] .icon--close { display: block; }

  .nav {
    position: fixed;
    inset: 0;
    z-index: -1;
    height: auto;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 28px;
    padding: 80px var(--gutter);
    background: rgb(14 14 11 / .97);
    backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s var(--ease), visibility 0s .3s;
  }
  .nav a { font-size: 13px; padding: 4px 0; }
  .is-menu-open .nav { opacity: 1; visibility: visible; transition: opacity .3s var(--ease); }
  .is-menu-open { overflow: hidden; }

  /* hero */
  .hero {
    height: auto;
    display: flex;
    flex-direction: column;
    background: #14130f;
  }
  .hero__copy {
    position: relative;
    left: auto; top: auto;
    width: auto;
    padding: 112px var(--gutter) 0;
  }
  .hero__copy .eyebrow { font-size: 10px; }
  .hero__title {
    margin: 14px 0 0 -2px;
    font-size: clamp(50px, 13.5vw, 96px);
    line-height: .84;
  }
  .br-wide { display: none; }
  .hero__lede { margin-top: 22px; max-width: 30em; font-size: 16px; }
  .hero__actions { margin-top: 28px; gap: 24px; flex-wrap: wrap; }
  .btn { height: 48px; gap: 18px; padding: 0 20px; font-size: 14px; }
  .btn .icon { width: 13px; height: 13px; }
  .btn--hero { width: auto; height: 48px; padding: 0 20px; font-size: 14px; }
  .tour-link { gap: 12px; }
  .tour-link__disc { width: 40px; height: 40px; }
  .tour-link__text { font-size: 14px; }
  .tour-link__text small { font-size: 11px; }

  /* the stage is cropped to its right 62%: statue, phone and far gallery */
  .hero__scene {
    position: relative;
    inset: auto;
    z-index: 0;
    order: 2;
    margin-top: 12px;
    aspect-ratio: calc(1448 * .62) / 538;
    overflow: hidden;
  }
  .hero__scene::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 28%;
    z-index: 2;
    background: linear-gradient(180deg, #14130f, transparent);
    pointer-events: none;
  }
  .stage {
    left: auto;
    right: 0;
    width: calc(100% / .62);
  }
  .stage__shade { display: none; }
  .inscription--left { display: none; }

  /* exhibitions */
  .exhibits {
    height: auto;
    padding: 56px var(--gutter) 0;
    display: grid;
    grid-template-columns: 1fr;
  }
  .exhibits__head,
  .exhibits__curated,
  .exhibits__all { position: static; }
  .exhibits__head .eyebrow,
  .exhibits__curated .eyebrow { font-size: 10px; }
  .exhibits__title { margin-top: 10px; font-size: clamp(36px, 8vw, 52px); line-height: .98; }
  .exhibits__curated { margin-top: 24px; }
  .exhibits__curated .rule { width: 20px; margin-top: 12px; }
  .exhibits__all { justify-self: start; margin-top: 22px; width: auto; min-width: 190px; font-size: 14px; }
  .exhibits__divider { display: none; }

  .exhibits__list {
    position: static;
    margin: 32px calc(var(--gutter) * -1) 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  }
  .exhibit {
    position: relative;
    inset: auto;
    aspect-ratio: 4 / 3;
    pointer-events: auto;
  }
  .exhibit__text { left: var(--gutter) !important; top: 12% !important; max-width: 38%; }
  .exhibit__num { font-size: 18px; }
  .exhibit__title { margin-top: 8px; font-size: 26px; line-height: 1; white-space: normal; }
  .exhibit__caption { margin-top: 12px; font-size: 10px; line-height: 1.7; }
  .exhibit__arrow { margin-top: 16px; }
  .exhibit__arrow .icon { width: 22px; height: 22px; }
  /* each object box keeps its image's own ratio, anchored bottom-right */
  .exhibit .exhibit__object {
    left: auto;
    right: 0;
    top: auto;
    bottom: 0;
    width: auto;
    height: 100%;
    aspect-ratio: 1;
  }
  .exhibit--long .exhibit__object { aspect-ratio: 5 / 4; height: 92%; }

  /* difference */
  .difference {
    height: auto;
    flex-direction: column;
    padding: 56px var(--gutter) 48px;
  }
  .difference__intro { padding-top: 0; }
  .difference__intro .eyebrow { font-size: 10px; }
  .difference__title { margin-top: 12px; font-size: clamp(34px, 8vw, 52px); white-space: normal; line-height: 1.02; }
  .pillars {
    position: static;
    width: 100%;
    height: auto;
    margin-top: 40px;
    flex-direction: column;
    border: 0;
    border-top: 1px solid var(--night-line);
  }
  .pillar,
  .pillar:nth-child(n) {
    flex: none;
    display: grid;
    grid-template-columns: 32px 1fr;
    column-gap: 18px;
    align-items: start;
    text-align: left;
    padding: 22px 0;
    border-bottom: 1px solid var(--night-line);
  }
  .pillar__icon { grid-row: span 2; width: 26px; height: 26px; }
  .pillar__label { margin-top: 2px; font-size: 10px; }
  .pillar__text { margin-top: 6px; font-size: 15px; }
  .pillar__text br { display: none; }
  .difference__cta {
    position: static;
    width: auto;
    margin-top: 36px;
    align-items: flex-start;
    text-align: left;
  }
  .difference__cta .btn { width: auto; min-width: 200px; padding: 0 20px; }
  .difference__cta .eyebrow { margin-top: 16px; font-size: 10px; }

  /* footer */
  .footer {
    height: auto;
    margin: 0 var(--gutter);
    padding: 28px 0 36px;
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }
  .footer__brand { flex-direction: column; gap: 10px; }
  .footer__logo { font-size: 13px; }
  .footer__tagline,
  .footer__links a { font-size: 10px; }
  .footer__links { margin-left: 0; flex-wrap: wrap; gap: 14px 26px; }
}

@media (max-width: 520px) {
  .exhibit__text { max-width: 42%; }
  .exhibit__title { font-size: 24px; }
}

/* ---------- new sections & subpages, stacked layout ---------- */
@media (max-width: 1023.98px) {
  .section-title { margin-top: 10px; font-size: clamp(38px, 9vw, 56px); }

  .collection { padding: 72px var(--gutter) 8px; }
  .collection__head { flex-direction: column; align-items: flex-start; gap: 18px; padding-bottom: 36px; }
  .collection__intro { max-width: 34em; font-size: 16px; }
  .room { grid-template-columns: 1fr; row-gap: 40px; padding: 52px 0 44px; }
  .room__text,
  .room--flip .room__text { order: 0; padding-left: 0; max-width: none; }
  .room__kicker { font-size: 10px; }
  .room__kicker span { font-size: 18px; }
  .room__title { margin-top: 14px; font-size: clamp(34px, 8.6vw, 48px); }
  .room__body { margin-top: 16px; max-width: 34em; font-size: 16px; }
  .room__facts { margin-top: 22px; max-width: none; }
  .room__facts li { padding: 12px 0 12px 24px; font-size: 15px; }
  .room__facts li::before { top: calc(12px + .75em); width: 12px; }

  .vitrine { width: min(100%, 460px); }

  .visit { grid-template-columns: 1fr; padding: 72px var(--gutter) 64px; }
  .visit__lede { margin-top: 20px; max-width: 34em; font-size: 16px; }
  .numbers { margin-top: 36px; max-width: none; }
  .numbers li { padding-top: 16px; }
  .numbers__n { font-size: clamp(42px, 12vw, 64px); }
  .numbers__l { margin-top: 10px; font-size: 10px; }
  .placard { margin-top: 44px; padding: 8px 20px; }
  .placard > div { grid-template-columns: 1fr; row-gap: 6px; padding: 16px 0; }
  .placard dt { padding-top: 0; font-size: 10px; }
  .placard dd { font-size: 21px; }
  .placard dd span { font-size: 14.5px; }
  .admission { margin-top: 48px; padding-top: 26px; flex-direction: column; align-items: flex-start; gap: 18px; }
  .admission__note { margin-left: 0; font-size: 10px; line-height: 1.8; }

  .page-hero { min-height: 0; padding: 140px var(--gutter) 44px; background-position: 64% 22%; }
  .page-hero::before {
    background:
      linear-gradient(0deg, var(--night) 0%, transparent 45%),
      linear-gradient(90deg, rgb(12 12 9 / .9) 0%, rgb(12 12 9 / .6) 100%);
  }
  .page-hero--full { min-height: 100svh; }
  .page-hero h1 { margin-top: 12px; font-size: clamp(44px, 12vw, 72px); }
  .page-hero__lede { margin-top: 18px; font-size: 16px; }
  .page-hero__date { margin-top: 16px; font-size: 10px; }
  .page-hero .btn { margin-top: 26px; height: 48px; }

  .policy-layout { grid-template-columns: 1fr; padding: 8px var(--gutter) 80px; }
  .toc { position: static; padding: 20px 0 8px; border-bottom: 1px solid var(--night-line); }
  .toc ol { columns: 2; column-gap: 16px; margin-top: 10px; }
  .toc ol a { font-size: 13px; padding: 6px 0; }
  .policy section { padding: 30px 0; }
  .policy h2 { font-size: 26px; }
  .policy p { font-size: 16px; }

  .contact-wrap { padding: 8px var(--gutter) 88px; }
  .contact-card { grid-template-columns: 1fr; row-gap: 36px; padding-top: 40px; }
  .contact-card h2 { font-size: clamp(34px, 9vw, 48px); }
  .contact-card__body { font-size: 16px; }
  .mail-link { font-size: clamp(22px, 7vw, 34px); }

  .footer__legal { margin-left: 0; font-size: 10px; }
}

@media (max-width: 420px) {
  .toc ol { columns: 1; }
}