:root {
  color-scheme: dark;
  --obsidian: #090b12;
  --midnight: #141d30;
  --steel: #638a9e;
  --silver: #b4c8d1;
  --amber: #d6b879;
  --vermilion: #b74130;
  --ink-blue: #080e19;
  --smoke: #d4d8d8;
  --display: "Copperplate", "Bodoni 72 Smallcaps", "Didot", "Times New Roman", serif;
  --body: "Avenir Next", "Futura", "Trebuchet MS", sans-serif;
  --parallax-x: 0px;
  --parallax-y: 0px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--obsidian);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--smoke);
  background: var(--obsidian);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.5;
}

body::after {
  position: fixed;
  z-index: 500;
  inset: 0;
  content: "";
  pointer-events: none;
  background: var(--obsidian);
  transform: translateY(102%);
  transition: transform 420ms cubic-bezier(.77, 0, .18, 1);
}

body.is-leaving::after {
  transform: translateY(0);
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

::selection {
  color: var(--obsidian);
  background: var(--silver);
}

:focus-visible {
  outline: 2px solid var(--silver);
  outline-offset: 5px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 0.7rem 1rem;
  color: var(--obsidian);
  background: var(--silver);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only,
.honey-field {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Mansion navigation */

.mansion-nav {
  position: fixed;
  z-index: 80;
  top: clamp(0.7rem, 2vw, 1.25rem);
  right: clamp(0.7rem, 2vw, 1.25rem);
  display: flex;
  width: auto;
  align-items: flex-start;
  justify-content: flex-end;
  pointer-events: none;
}

.elevator-toggle,
.elevator-menu {
  pointer-events: auto;
}

.elevator-toggle {
  position: relative;
  display: grid;
  min-width: 170px;
  min-height: 44px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0.25rem;
  border: 0;
  color: var(--silver);
  background: transparent;
  box-shadow: none;
  clip-path: none;
  font-family: var(--display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-shadow: 0 2px 2px #000, 0 0 8px #000, 0 0 16px #000;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.elevator-toggle::before {
  display: none;
}

.elevator-toggle::after {
  display: none;
}

.elevator-toggle:hover,
.elevator-toggle:focus-visible,
.elevator-toggle[aria-expanded="true"] {
  color: var(--silver);
  background: transparent;
  outline: 0;
}

.elevator-toggle:focus-visible {
  outline: 1px solid var(--silver);
  outline-offset: 5px;
}

.elevator-floor {
  display: grid;
  width: auto;
  height: auto;
  place-items: center;
  border: 0;
  color: var(--silver);
  background: transparent;
  clip-path: none;
  font-size: 0.78rem;
  box-shadow: none;
}

.elevator-arrow {
  width: 26px;
  height: 20px;
  background:
    linear-gradient(var(--silver), var(--silver)) left 2px / 26px 2px no-repeat,
    linear-gradient(var(--silver), var(--silver)) right 9px / 18px 2px no-repeat,
    linear-gradient(var(--silver), var(--silver)) left 16px / 26px 2px no-repeat;
  font-size: 0;
  transition: transform 200ms ease;
}

.elevator-toggle[aria-expanded="true"] .elevator-arrow {
  transform: scaleX(0.78);
}

.elevator-menu {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  width: 220px;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  box-shadow: none;
  clip-path: none;
}

.elevator-menu::before {
  display: none;
}

.elevator-menu[hidden] {
  display: none;
}

.elevator-menu a {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  border-bottom: 0;
  color: var(--silver);
  opacity: 0.78;
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.17em;
  text-decoration: none;
  text-shadow: 0 2px 2px #000, 0 0 8px #000, 0 0 16px #000;
  transition: color 160ms ease, opacity 160ms ease;
}

.elevator-menu a:last-child {
  border-bottom: 0;
}

.elevator-menu b {
  padding: 0.7rem 0.45rem;
  border-right: 0;
  color: var(--silver);
  text-align: center;
}

.elevator-menu span {
  padding: 0.7rem 0.45rem;
}

.elevator-menu a:hover,
.elevator-menu a:focus-visible {
  color: var(--silver);
  opacity: 1;
  background: transparent;
  box-shadow: none;
  outline: 0;
}

.elevator-menu a:hover b,
.elevator-menu a:focus-visible b {
  color: var(--silver);
  border-right-color: transparent;
}

.elevator-menu a[aria-current="page"] {
  color: var(--silver);
  opacity: 1;
  background: transparent;
  box-shadow: none;
}

.elevator-menu a[aria-current="page"] b {
  color: var(--silver);
  border-right-color: transparent;
}

/* Shared scene layers */

.scene-page {
  position: relative;
  isolation: isolate;
}

.scene-visual,
.room-scene {
  position: absolute;
  z-index: -2;
  inset: 0;
  overflow: hidden;
  background: var(--obsidian);
}

.room-scene {
  position: fixed;
}

.scene-fill,
.scene-primary {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.scene-fill {
  object-fit: cover;
  filter: blur(24px) brightness(0.34) saturate(0.72);
  transform: scale(1.13);
}

.scene-primary {
  object-fit: contain;
  object-position: center;
  filter: brightness(0.74) saturate(0.86) contrast(1.1);
  transform: translate3d(var(--parallax-x), var(--parallax-y), 0) scale(1.015);
  transition: transform 450ms cubic-bezier(.22, 1, .36, 1);
  animation: lightBreathe 12s ease-in-out infinite alternate;
}

.studio-page .scene-primary {
  filter: brightness(0.6) saturate(0.92) contrast(1.12);
}

.library-page .scene-primary-library {
  filter: hue-rotate(172deg) brightness(0.44) saturate(0.55) contrast(1.18);
}

.gallery-page .scene-primary {
  filter: brightness(0.48) saturate(0.75) contrast(1.15);
}

.brain-page .scene-primary-brain {
  filter: hue-rotate(170deg) brightness(0.34) saturate(0.6) contrast(1.2);
  transform: translate3d(var(--parallax-x), var(--parallax-y), 0) scale(1.08);
}

.scene-vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(9, 11, 18, 0.92), transparent 23%, transparent 77%, rgba(9, 11, 18, 0.92)),
    linear-gradient(0deg, rgba(9, 11, 18, 0.95), transparent 42%, rgba(9, 11, 18, 0.45));
}

.film-grain {
  position: absolute;
  inset: -40%;
  opacity: 0.085;
  background-image:
    repeating-radial-gradient(circle at 30% 20%, transparent 0, transparent 2px, rgba(255, 255, 255, 0.28) 3px, transparent 4px);
  background-size: 9px 11px;
  pointer-events: none;
  animation: grainShift 0.45s steps(2) infinite;
}

.room-light {
  position: absolute;
  inset: 0;
  opacity: 0.6;
  mix-blend-mode: screen;
  pointer-events: none;
}

.room-light-red {
  background: radial-gradient(circle at 70% 45%, rgba(183, 65, 48, 0.34), transparent 38%);
}

.room-light-amber {
  background: radial-gradient(circle at 35% 58%, rgba(214, 184, 121, 0.25), transparent 30%);
}

.room-light-blue {
  background: radial-gradient(circle at 52% 38%, rgba(180, 200, 209, 0.27), transparent 35%);
}

.room-light-brain {
  background:
    radial-gradient(circle at 32% 70%, rgba(99, 138, 158, 0.26), transparent 30%),
    radial-gradient(circle at 72% 28%, rgba(183, 65, 48, 0.18), transparent 26%);
}

/* Grand Foyer */

.foyer-page {
  min-height: 100svh;
  overflow: hidden;
}

.foyer-scene {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  transition: transform 430ms cubic-bezier(.22, 1, .36, 1), filter 430ms ease;
}

.foyer-page.is-leaving .foyer-scene {
  filter: brightness(0.55);
  transform: scale(1.025);
}

.city-clouds {
  position: absolute;
  top: 18%;
  left: -35%;
  width: 44%;
  height: 16%;
  border-radius: 50%;
  opacity: 0.13;
  background: var(--silver);
  filter: blur(30px);
  animation: cloudDrift 32s linear infinite;
}

.moonlight-beam {
  position: absolute;
  top: -18%;
  left: 42%;
  width: 18%;
  height: 112%;
  opacity: 0.1;
  background: linear-gradient(180deg, var(--silver), transparent 82%);
  filter: blur(14px);
  transform: skewX(-9deg);
  animation: beamMove 11s ease-in-out infinite alternate;
}

.foyer-plaque {
  position: absolute;
  z-index: 5;
  top: clamp(78px, 11vh, 126px);
  left: 50%;
  width: min(620px, 68vw);
  padding: 0.8rem 2rem 1rem;
  border-top: 1px solid rgba(180, 200, 209, 0.85);
  border-bottom: 1px solid rgba(180, 200, 209, 0.85);
  color: var(--silver);
  background: rgba(9, 11, 18, 0.7);
  text-align: center;
  transform: translateX(-50%);
  text-shadow: 0 2px 18px var(--obsidian);
}

.foyer-plaque::before,
.foyer-plaque::after {
  position: absolute;
  top: 50%;
  width: 34px;
  height: 34px;
  content: "";
  border: 1px solid var(--silver);
  background: var(--obsidian);
  transform: translateY(-50%) rotate(45deg) scale(0.5);
}

.foyer-plaque::before {
  left: -18px;
}

.foyer-plaque::after {
  right: -18px;
}

.foyer-plaque p,
.foyer-plaque span {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(0.55rem, 1.2vw, 0.72rem);
  letter-spacing: 0.28em;
}

.foyer-plaque h1 {
  margin: 0.2rem 0 0.25rem;
  color: var(--amber);
  font-family: var(--display);
  font-size: clamp(1.35rem, 4vw, 3rem);
  font-weight: 400;
  letter-spacing: 0.16em;
  line-height: 1.08;
}

.foyer-doors {
  position: absolute;
  z-index: 6;
  inset: 0;
}

.deco-door {
  position: absolute;
  display: flex;
  width: clamp(118px, 12vw, 170px);
  height: clamp(178px, 28vh, 250px);
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 0.2rem;
  padding: 1rem 0.75rem 1.3rem;
  border: 1px solid rgba(180, 200, 209, 0.78);
  color: var(--silver);
  background:
    linear-gradient(90deg, transparent 12%, rgba(180, 200, 209, 0.12) 12%, rgba(180, 200, 209, 0.12) 13%, transparent 13%, transparent 87%, rgba(180, 200, 209, 0.12) 87%, rgba(180, 200, 209, 0.12) 88%, transparent 88%),
    rgba(9, 11, 18, 0.77);
  box-shadow: inset 0 0 0 7px rgba(9, 11, 18, 0.86), inset 0 0 0 8px rgba(99, 138, 158, 0.34), 0 24px 46px rgba(0, 0, 0, 0.62);
  font-family: var(--display);
  text-align: center;
  text-decoration: none;
  transform-origin: left center;
  clip-path: polygon(12% 100%, 12% 27%, 17% 17%, 27% 8%, 40% 3%, 50% 1%, 60% 3%, 73% 8%, 83% 17%, 88% 27%, 88% 100%);
  transition: color 260ms ease, background-color 260ms ease, box-shadow 260ms ease, transform 260ms ease;
}

body.is-leaving .deco-door.is-opening {
  color: var(--silver);
  background-color: var(--midnight);
  box-shadow: 0 0 48px rgba(180, 200, 209, 0.58);
  transform: perspective(700px) rotateY(-34deg) scale(1.025);
}

.deco-door::before {
  position: absolute;
  top: 28%;
  left: 50%;
  width: 1px;
  height: 42%;
  content: "";
  background: rgba(180, 200, 209, 0.42);
}

.deco-door::after {
  position: absolute;
  top: 56%;
  right: 24%;
  width: 7px;
  height: 7px;
  content: "";
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 0 rgba(180, 200, 209, 0.4);
  transition: box-shadow 260ms ease;
}

.deco-door:hover,
.deco-door:focus-visible {
  color: var(--obsidian);
  background-color: var(--silver);
  box-shadow: inset 0 0 0 7px rgba(9, 11, 18, 0.18), inset 0 0 0 8px var(--silver), 0 0 42px rgba(180, 200, 209, 0.72);
  outline: 0;
  transform: translateY(-8px) scale(1.015);
}

.deco-door:hover::after,
.deco-door:focus-visible::after {
  background: var(--vermilion);
  box-shadow: 0 0 22px 8px rgba(180, 200, 209, 0.38);
}

.deco-door strong {
  font-size: clamp(0.72rem, 1.2vw, 0.92rem);
  font-weight: 400;
  letter-spacing: 0.16em;
}

.door-number {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
}

.door-studio {
  top: 30%;
  left: 3.5vw;
}

.door-library {
  top: 30%;
  right: 3.5vw;
}

.door-gallery {
  bottom: 4.5vh;
  left: 13vw;
}

.door-brain {
  right: 13vw;
  bottom: 4.5vh;
}

.entrance-curtain {
  position: fixed;
  z-index: 300;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  background: var(--obsidian);
  animation: revealFoyer 2.5s cubic-bezier(.65, 0, .35, 1) 0.35s forwards;
}

.curtain-line {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  border-color: rgba(180, 200, 209, 0.15);
  border-style: solid;
  background:
    repeating-linear-gradient(90deg, rgba(20, 29, 48, 0.5) 0 11%, transparent 11% 18%),
    var(--obsidian);
}

.curtain-line-left {
  left: 0;
  border-width: 0 1px 0 0;
  animation: curtainLeft 2.2s cubic-bezier(.77, 0, .18, 1) 0.55s forwards;
}

.curtain-line-right {
  right: 0;
  border-width: 0 0 0 1px;
  animation: curtainRight 2.2s cubic-bezier(.77, 0, .18, 1) 0.55s forwards;
}

.skip-intro {
  position: fixed;
  z-index: 310;
  right: 1.25rem;
  bottom: 1.25rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--silver);
  color: var(--silver);
  background: var(--obsidian);
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  cursor: pointer;
  animation: skipFade 0.3s linear 2.65s forwards;
}

.foyer-page.intro-skipped .entrance-curtain,
.foyer-page.intro-skipped .skip-intro {
  display: none;
}

/* Rooms */

.studio-page {
  --room-accent: var(--vermilion);
}

.library-page {
  --room-accent: var(--amber);
}

.gallery-page {
  --room-accent: var(--silver);
}

.brain-page {
  --room-accent: var(--steel);
}

.room-page {
  min-height: 100svh;
}

.room-layout {
  position: relative;
  z-index: 2;
  width: min(1120px, calc(100% - 2rem));
  min-height: 100svh;
  margin: 0 auto;
  padding: 7.3rem 0 5rem;
}

.room-heading {
  width: min(660px, calc(100% - 3rem));
  margin: 0 auto 2.6rem;
  padding: 0.7rem 1.5rem 1rem;
  border-top: 1px solid var(--silver);
  border-bottom: 1px solid var(--silver);
  color: var(--silver);
  background: rgba(9, 11, 18, 0.78);
  text-align: center;
  text-shadow: 0 2px 18px #000;
}

.room-heading > span,
.room-heading p {
  display: block;
  margin: 0;
  font-family: var(--display);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
}

.room-heading h1 {
  margin: 0.1rem 0;
  color: var(--room-accent);
  font-family: var(--display);
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 400;
  letter-spacing: 0.18em;
  line-height: 1;
}

.exit-door {
  position: fixed;
  z-index: 20;
  top: 50%;
  left: 0;
  display: flex;
  width: 84px;
  min-height: 145px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 0;
  color: var(--silver);
  background: transparent;
  opacity: 0.78;
  font-family: var(--display);
  font-size: 0.54rem;
  letter-spacing: 0.13em;
  text-align: center;
  text-decoration: none;
  text-shadow: 0 2px 2px #000, 0 0 8px #000, 0 0 16px #000;
  transform: translateY(-50%);
  transition: opacity 180ms ease;
}

.exit-door strong {
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.12em;
}

.exit-door:hover,
.exit-door:focus-visible {
  color: var(--silver);
  background: transparent;
  opacity: 1;
}

.deco-panel {
  position: relative;
  border: 1px solid rgba(180, 200, 209, 0.78);
  color: var(--smoke);
  background: rgba(9, 11, 18, 0.94);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.58);
}

.deco-panel::before,
.dialog-frame::before {
  position: absolute;
  z-index: 0;
  inset: 8px;
  content: "";
  border: 1px solid rgba(99, 138, 158, 0.34);
  pointer-events: none;
}

.collection-panel {
  padding: clamp(1.7rem, 4vw, 3.4rem);
}

.collection-panel h2,
.thought-desk h2 {
  position: relative;
  z-index: 1;
  margin: 0 0 2.4rem;
  color: var(--room-accent);
  font-family: var(--display);
  font-size: clamp(0.78rem, 2vw, 1.05rem);
  font-weight: 400;
  letter-spacing: 0.24em;
  text-align: center;
}

.collection-panel h2 a {
  text-decoration: none;
}

.collection-panel h2 a:hover,
.collection-panel h2 a:focus-visible {
  color: var(--silver);
}

/* Studio */

.record-shelf {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.4rem, 3vw, 2.8rem);
  padding: 1.6rem 0 2.4rem;
  border-bottom: 18px solid #17131a;
  box-shadow: 0 4px 0 var(--vermilion), 0 16px 22px rgba(0, 0, 0, 0.76);
}

.record-sleeve {
  position: relative;
  min-width: 0;
  color: var(--smoke);
  text-decoration: none;
  perspective: 700px;
}

.record-sleeve img {
  position: relative;
  z-index: 2;
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid rgba(180, 200, 209, 0.55);
  object-fit: cover;
  box-shadow: 0 16px 26px rgba(0, 0, 0, 0.65);
  transform-origin: bottom center;
  transition: transform 260ms ease, filter 260ms ease, box-shadow 260ms ease;
}

.vinyl {
  position: absolute;
  z-index: 1;
  top: 4%;
  right: -2%;
  width: 92%;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--vermilion) 0 8%, #050509 9% 13%, transparent 14%),
    repeating-radial-gradient(circle, #111 0 2px, #050507 3px 5px);
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.72);
  transition: transform 300ms cubic-bezier(.22, 1, .36, 1);
}

.record-sleeve strong {
  display: block;
  margin-top: 1.2rem;
  color: var(--silver);
  font-family: var(--display);
  font-size: clamp(0.62rem, 1.2vw, 0.8rem);
  font-weight: 400;
  letter-spacing: 0.13em;
  line-height: 1.4;
  text-align: center;
}

.record-sleeve:hover img,
.record-sleeve:focus-visible img {
  filter: brightness(1.08) saturate(1.1);
  box-shadow: 0 0 30px rgba(183, 65, 48, 0.48);
  transform: translateY(-12px) rotateX(2deg);
}

.record-sleeve:hover .vinyl,
.record-sleeve:focus-visible .vinyl {
  transform: translateX(27%) rotate(20deg);
}

.record-sleeve:focus-visible {
  outline: 0;
}

.record-sleeve:focus-visible img {
  outline: 2px solid var(--silver);
  outline-offset: 5px;
}

/* Library */

.bookshelf {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: end;
  padding: 1rem 0 2.2rem;
  border-bottom: 22px solid #1d1510;
  box-shadow: 0 4px 0 var(--amber), 0 15px 24px rgba(0, 0, 0, 0.7);
}

.book-object {
  position: relative;
  display: block;
  color: var(--smoke);
  text-decoration: none;
}

.book-object img {
  width: 100%;
  aspect-ratio: 2 / 3;
  border: 1px solid rgba(214, 184, 121, 0.55);
  object-fit: cover;
  box-shadow: 8px 12px 0 rgba(0, 0, 0, 0.48), 0 20px 30px rgba(0, 0, 0, 0.5);
  filter: brightness(0.76) saturate(0.72);
  transform-origin: bottom center;
  transition: transform 260ms ease, filter 260ms ease, box-shadow 260ms ease;
}

.book-object span {
  display: block;
  margin-top: 1.2rem;
  color: var(--amber);
  font-family: var(--display);
  font-size: clamp(0.55rem, 1.15vw, 0.72rem);
  letter-spacing: 0.12em;
  line-height: 1.45;
  text-align: center;
}

.book-object:hover img,
.book-object:focus-visible img {
  filter: brightness(1) saturate(0.96);
  box-shadow: 8px 12px 0 rgba(0, 0, 0, 0.4), 0 0 30px rgba(214, 184, 121, 0.38);
  transform: translateY(-14px) scale(1.025);
}

.book-object:focus-visible {
  outline: 0;
}

.book-object:focus-visible img {
  outline: 2px solid var(--silver);
  outline-offset: 5px;
}

/* Gallery */

.gallery-layout {
  width: min(1240px, calc(100% - 2rem));
}

.gallery-exhibit {
  padding: clamp(2rem, 5vw, 4.5rem);
}

.gallery-wall {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1.2rem, 3vw, 2.8rem);
  align-items: center;
}

.gallery-frame {
  grid-column: span 4;
  display: block;
  padding: clamp(7px, 1.2vw, 13px);
  border: 1px solid var(--silver);
  background: #07101c;
  box-shadow: inset 0 0 0 4px #19253b, inset 0 0 0 5px rgba(180, 200, 209, 0.42), 0 18px 38px rgba(0, 0, 0, 0.7);
  transition: box-shadow 220ms ease, transform 220ms ease;
}

.gallery-frame-tall {
  grid-row: span 2;
}

.gallery-frame-wide {
  grid-column: span 8;
}

.gallery-frame img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  filter: brightness(0.84);
  transition: filter 220ms ease;
}

.gallery-frame:hover,
.gallery-frame:focus-visible {
  box-shadow: inset 0 0 0 4px #19253b, inset 0 0 0 5px var(--silver), 0 0 34px rgba(180, 200, 209, 0.42);
  outline: 0;
  transform: translateY(-8px) scale(1.012);
}

.gallery-frame:hover img,
.gallery-frame:focus-visible img {
  filter: brightness(1);
}

/* My Brain */

.brain-layout {
  width: min(980px, calc(100% - 2rem));
}

.thought-desk {
  padding: clamp(2rem, 6vw, 5rem);
  background: rgba(8, 14, 25, 0.96);
}

.paper-sheet {
  position: relative;
  z-index: 2;
  width: min(680px, 100%);
  margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  border: 1px solid rgba(180, 200, 209, 0.7);
  color: var(--silver);
  background: #0e1725;
  box-shadow: 12px 14px 0 rgba(99, 138, 158, 0.12), 0 28px 60px rgba(0, 0, 0, 0.62);
  transform: rotate(-0.45deg);
}

.paper-sheet::before {
  position: absolute;
  top: 0;
  left: 50%;
  width: 48%;
  height: 1px;
  content: "";
  background: var(--vermilion);
  transform: translateX(-50%);
  box-shadow: 0 0 18px rgba(183, 65, 48, 0.55);
}

.desk-lamp {
  position: absolute;
  z-index: 1;
  top: 3rem;
  right: 8%;
  width: 80px;
  height: 150px;
  border-right: 3px solid var(--amber);
  transform: rotate(12deg);
}

.desk-lamp::before {
  position: absolute;
  top: -18px;
  right: -28px;
  width: 55px;
  height: 32px;
  content: "";
  border: 2px solid var(--amber);
  background: var(--obsidian);
  clip-path: polygon(18% 0, 82% 0, 100% 100%, 0 100%);
}

.desk-lamp span {
  position: absolute;
  top: 9px;
  right: -88px;
  width: 145px;
  height: 170px;
  opacity: 0.16;
  background: var(--amber);
  filter: blur(20px);
  clip-path: polygon(40% 0, 60% 0, 100% 100%, 0 100%);
  animation: lampFlicker 7s ease-in-out infinite;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: block;
}

.contact-form input,
.contact-form textarea,
.contact-form button {
  width: 100%;
  border: 1px solid rgba(180, 200, 209, 0.62);
  border-radius: 0;
  color: var(--silver);
  background: rgba(9, 11, 18, 0.92);
  font-family: var(--body);
  letter-spacing: 0.08em;
}

.contact-form input,
.contact-form textarea {
  padding: 0.9rem 1rem;
}

.contact-form textarea {
  display: block;
  min-height: 190px;
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(180, 200, 209, 0.62);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--silver);
  outline: 1px solid var(--silver);
  outline-offset: 4px;
  box-shadow: 0 0 22px rgba(99, 138, 158, 0.24);
}

.contact-form button,
.deco-action {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.2rem;
  border: 1px solid var(--silver);
  color: var(--silver);
  background: var(--obsidian);
  font-family: var(--display);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.contact-form button:hover,
.contact-form button:focus-visible,
.deco-action:hover,
.deco-action:focus-visible {
  color: var(--obsidian);
  background: var(--silver);
  box-shadow: 0 0 25px rgba(180, 200, 209, 0.3);
  outline: 0;
}

/* Dialogs */

.deco-dialog {
  width: min(760px, calc(100% - 2rem));
  max-height: calc(100svh - 2rem);
  padding: 0;
  border: 1px solid var(--silver);
  color: var(--smoke);
  background: var(--obsidian);
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.82);
}

.deco-dialog::backdrop {
  background: rgba(2, 4, 8, 0.86);
  backdrop-filter: blur(5px);
}

.deco-dialog[open] {
  animation: dialogEnter 260ms cubic-bezier(.22, 1, .36, 1);
}

.dialog-frame {
  position: relative;
  padding: clamp(1.6rem, 5vw, 3.2rem);
}

.dialog-frame > * {
  position: relative;
  z-index: 1;
}

.dialog-close {
  position: absolute;
  z-index: 4;
  top: 0.75rem;
  right: 0.75rem;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--silver);
  color: var(--silver);
  background: var(--obsidian);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.dialog-close:hover,
.dialog-close:focus-visible {
  color: var(--obsidian);
  background: var(--silver);
  outline: 0;
}

.dialog-number {
  margin: 0 0 0.45rem;
  color: var(--amber);
  font-family: var(--display);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
}

.dialog-frame h2 {
  margin: 0 3rem 1.4rem 0;
  color: var(--silver);
  font-family: var(--display);
  font-size: clamp(1.15rem, 3vw, 2rem);
  font-weight: 400;
  letter-spacing: 0.12em;
}

.book-dialog-grid {
  display: grid;
  grid-template-columns: minmax(150px, 220px) 1fr;
  gap: clamp(1.4rem, 4vw, 3rem);
  align-items: center;
}

.book-dialog-grid img {
  width: 100%;
  border: 1px solid var(--amber);
  box-shadow: 10px 13px 0 rgba(214, 184, 121, 0.12);
}

.book-dialog-grid p {
  margin: -0.7rem 0 2rem;
  color: var(--amber);
  letter-spacing: 0.08em;
}

.gallery-dialog {
  width: min(1000px, calc(100% - 2rem));
}

.gallery-dialog .dialog-frame {
  display: grid;
  min-height: min(82svh, 800px);
  place-items: center;
}

.gallery-dialog-figure {
  display: grid;
  max-width: 100%;
  margin: 0;
}

.gallery-dialog img {
  width: auto;
  max-width: 100%;
  max-height: calc(82svh - 8.5rem);
  object-fit: contain;
}

.gallery-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0.25rem 0.15rem;
  color: var(--silver);
  font-family: var(--display);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  line-height: 1.3;
}

.gallery-dialog .gallery-meta {
  padding: 0.75rem 0 0;
  font-size: 0.65rem;
}

.gallery-dialog-controls {
  position: absolute;
  z-index: 4;
  right: 1.2rem;
  bottom: 1.2rem;
  display: flex;
  gap: 0.55rem;
}

.gallery-dialog-controls button {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--silver);
  color: var(--silver);
  background: var(--obsidian);
  font-size: 1.1rem;
  cursor: pointer;
}

.gallery-dialog-controls button:hover,
.gallery-dialog-controls button:focus-visible {
  color: var(--obsidian);
  background: var(--silver);
  outline: 0;
}

/* Not found */

.lost-page {
  display: grid;
  min-height: 100svh;
  place-items: center;
}

.lost-room {
  position: relative;
  z-index: 2;
  width: min(620px, calc(100% - 2rem));
  padding: 3rem;
  border: 1px solid var(--silver);
  background: rgba(9, 11, 18, 0.94);
  text-align: center;
}

.lost-room p {
  color: var(--vermilion);
  font-family: var(--display);
  letter-spacing: 0.3em;
}

.lost-room h1 {
  margin: 0 0 2rem;
  color: var(--silver);
  font-family: var(--display);
  font-size: clamp(1.5rem, 5vw, 3.2rem);
  font-weight: 400;
  letter-spacing: 0.16em;
}

/* Motion */

@keyframes revealFoyer {
  0%, 72% { opacity: 1; visibility: visible; }
  100% { opacity: 0; visibility: hidden; }
}

@keyframes curtainLeft {
  to { transform: translateX(-102%); }
}

@keyframes curtainRight {
  to { transform: translateX(102%); }
}

@keyframes skipFade {
  to { opacity: 0; visibility: hidden; }
}

@keyframes cloudDrift {
  to { transform: translateX(330%); }
}

@keyframes beamMove {
  to { opacity: 0.17; transform: translateX(8%) skewX(-7deg); }
}

@keyframes lightBreathe {
  from { opacity: 0.92; }
  to { opacity: 1; }
}

@keyframes grainShift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(2%, -3%); }
  50% { transform: translate(-3%, 2%); }
  75% { transform: translate(3%, 3%); }
  100% { transform: translate(-2%, -2%); }
}

@keyframes lampFlicker {
  0%, 18%, 22%, 70%, 100% { opacity: 0.16; }
  20%, 72% { opacity: 0.1; }
}

@keyframes dialogEnter {
  from { opacity: 0; transform: translateY(24px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Responsive composition */

@media (max-width: 960px) {
  .foyer-page {
    overflow: auto;
  }

  .foyer-scene {
    display: flex;
    min-height: 100svh;
    flex-direction: column;
    padding: 92px 1rem 3rem;
  }

  .foyer-plaque {
    position: relative;
    top: auto;
    left: auto;
    width: min(620px, calc(100% - 1rem));
    margin: 0 auto;
    transform: none;
  }

  .foyer-doors {
    position: relative;
    display: grid;
    width: min(650px, 100%);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin: auto auto 0;
    padding-top: min(35vh, 300px);
  }

  .deco-door,
  .door-studio,
  .door-library,
  .door-gallery,
  .door-brain {
    position: relative;
    inset: auto;
    width: 100%;
    height: 160px;
  }

  .exit-door {
    position: relative;
    top: auto;
    left: auto;
    width: 130px;
    min-height: 56px;
    margin: 0 auto 2rem;
    transform: none;
  }

  .record-shelf {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .record-sleeve:last-child {
    grid-column: 1 / -1;
    width: calc(50% - 0.8rem);
    justify-self: center;
  }

  .bookshelf {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gallery-frame,
  .gallery-frame-wide {
    grid-column: span 6;
  }
}

@media (max-width: 650px) {
  .mansion-nav {
    top: 0.65rem;
    right: 0.65rem;
  }

  .elevator-toggle {
    min-width: 160px;
    min-height: 44px;
  }

  .elevator-menu {
    top: calc(100% + 0.45rem);
    width: min(270px, calc(100vw - 1rem));
  }

  .foyer-scene {
    padding-top: 78px;
  }

  .foyer-plaque {
    padding-inline: 1rem;
  }

  .foyer-plaque::before,
  .foyer-plaque::after {
    display: none;
  }

  .foyer-plaque h1 {
    letter-spacing: 0.09em;
  }

  .foyer-plaque span {
    display: block;
    letter-spacing: 0.12em;
  }

  .foyer-doors {
    padding-top: 28vh;
  }

  .room-layout {
    width: min(100% - 1rem, 1120px);
    padding-top: 5.6rem;
  }

  .room-heading {
    margin-bottom: 1.5rem;
  }

  .room-heading h1 {
    letter-spacing: 0.1em;
  }

  .collection-panel,
  .gallery-exhibit,
  .thought-desk {
    padding: 1.4rem;
  }

  .record-shelf {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .record-sleeve,
  .record-sleeve:last-child {
    grid-column: auto;
    width: min(320px, 100%);
    justify-self: center;
  }

  .bookshelf {
    gap: 1.6rem 1rem;
  }

  .gallery-wall {
    grid-template-columns: 1fr;
  }

  .gallery-frame,
  .gallery-frame-wide,
  .gallery-frame-tall {
    grid-column: auto;
    grid-row: auto;
  }

  .desk-lamp {
    display: none;
  }

  .paper-sheet {
    padding: 1.25rem;
    transform: none;
  }

  .book-dialog-grid {
    grid-template-columns: 1fr;
  }

  .book-dialog-grid img {
    width: min(190px, 70%);
    margin: 0 auto;
  }
}

@media (max-width: 430px) {
  .elevator-toggle {
    min-width: 150px;
    grid-template-columns: auto 1fr auto;
    gap: 0.45rem;
    padding-inline: 0.65rem;
    font-size: 0.62rem;
  }

  .elevator-floor {
    width: auto;
    height: auto;
  }

  .elevator-arrow {
    width: 21px;
  }

  .foyer-doors {
    grid-template-columns: 1fr;
    padding-top: 24vh;
  }

  .deco-door,
  .door-studio,
  .door-library,
  .door-gallery,
  .door-brain {
    height: 130px;
    clip-path: polygon(9% 100%, 9% 32%, 17% 15%, 34% 4%, 50% 1%, 66% 4%, 83% 15%, 91% 32%, 91% 100%);
  }

  .bookshelf {
    grid-template-columns: 1fr;
  }

  .book-object {
    width: min(230px, 82%);
    justify-self: center;
  }
}

/* Full-frame interactive foyer artwork */

body.foyer-page .scene-primary {
  object-fit: cover;
  object-position: center 58%;
  filter: brightness(0.78) saturate(0.92) contrast(1.08);
}

body.foyer-page .foyer-scene {
  display: block;
  padding: 0;
}

body.foyer-page .foyer-scene::before {
  position: absolute;
  z-index: 4;
  inset: 0;
  content: "";
  pointer-events: none;
  background: radial-gradient(circle 230px at var(--pointer-x, 50%) var(--pointer-y, 50%), rgba(180, 200, 209, 0.14), transparent 72%);
  mix-blend-mode: screen;
}

body.foyer-page .foyer-doors {
  position: absolute;
  display: block;
  width: auto;
  margin: 0;
  padding: 0;
  inset: 0;
}

body.foyer-page .deco-door {
  position: absolute;
  inset: auto;
  display: flex;
  width: clamp(140px, 17vw, 240px);
  height: clamp(145px, 25vh, 240px);
  padding: 0;
  border: 0;
  overflow: visible;
  color: var(--silver);
  background: transparent;
  box-shadow: none;
  clip-path: none;
  transform-origin: center;
}

body.foyer-page .deco-door::before {
  position: absolute;
  inset: 0;
  width: auto;
  height: auto;
  opacity: 0;
  border: 0;
  content: "";
  background:
    linear-gradient(var(--silver), var(--silver)) left top / 28px 1px no-repeat,
    linear-gradient(var(--silver), var(--silver)) left top / 1px 28px no-repeat,
    linear-gradient(var(--silver), var(--silver)) right top / 28px 1px no-repeat,
    linear-gradient(var(--silver), var(--silver)) right top / 1px 28px no-repeat,
    linear-gradient(var(--silver), var(--silver)) left bottom / 28px 1px no-repeat,
    linear-gradient(var(--silver), var(--silver)) left bottom / 1px 28px no-repeat,
    linear-gradient(var(--silver), var(--silver)) right bottom / 28px 1px no-repeat,
    linear-gradient(var(--silver), var(--silver)) right bottom / 1px 28px no-repeat;
  transition: opacity 180ms ease;
}

body.foyer-page .deco-door::after {
  position: absolute;
  top: 50%;
  right: auto;
  left: 50%;
  width: 9px;
  height: 9px;
  opacity: 0.74;
  border: 1px solid var(--silver);
  border-radius: 0;
  background: var(--midnight);
  box-shadow: 0 0 16px 4px rgba(180, 200, 209, 0.24);
  transform: translate(-50%, -50%) rotate(45deg);
  animation: hotspotPulse 2.8s ease-in-out infinite;
}

body.foyer-page .deco-door strong,
body.foyer-page .deco-door .door-number {
  position: absolute;
  z-index: 2;
  left: 50%;
  width: max-content;
  max-width: 95%;
  opacity: 0;
  padding: 0.35rem 0.55rem;
  color: var(--silver);
  background: rgba(9, 11, 18, 0.9);
  letter-spacing: 0.16em;
  text-shadow: 0 1px 8px #000;
  transform: translate(-50%, 8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

body.foyer-page .deco-door strong {
  bottom: 14px;
}

body.foyer-page .deco-door .door-number {
  bottom: 50px;
}

body.foyer-page .deco-door:hover,
body.foyer-page .deco-door:focus-visible {
  color: var(--silver);
  background: radial-gradient(circle, rgba(180, 200, 209, 0.12), transparent 67%);
  box-shadow: none;
  outline: 0;
  transform: scale(1.03);
}

body.foyer-page .deco-door:hover::before,
body.foyer-page .deco-door:focus-visible::before {
  opacity: 1;
}

body.foyer-page .deco-door:hover strong,
body.foyer-page .deco-door:focus-visible strong,
body.foyer-page .deco-door:hover .door-number,
body.foyer-page .deco-door:focus-visible .door-number {
  opacity: 1;
  transform: translate(-50%, 0);
}

body.foyer-page.is-leaving .deco-door.is-opening {
  background: radial-gradient(circle, rgba(180, 200, 209, 0.2), transparent 70%);
  box-shadow: 0 0 50px rgba(180, 200, 209, 0.38);
  transform: scale(1.16);
}

body.foyer-page .door-studio {
  top: 38%;
  left: 5%;
}

body.foyer-page .door-library {
  top: 17%;
  right: max(calc(8% + 4rem), 16rem);
}

body.foyer-page .door-gallery {
  bottom: 4%;
  left: 28%;
}

body.foyer-page .door-brain {
  right: 18%;
  bottom: 7%;
}

@keyframes hotspotPulse {
  0%, 100% { opacity: 0.5; box-shadow: 0 0 10px 2px rgba(180, 200, 209, 0.18); }
  50% { opacity: 1; box-shadow: 0 0 22px 7px rgba(180, 200, 209, 0.3); }
}

@media (hover: none) {
  body.foyer-page .deco-door::before {
    opacity: 0.28;
  }

  body.foyer-page .deco-door strong,
  body.foyer-page .deco-door .door-number {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@media (max-width: 960px) {
  body.foyer-page {
    overflow: hidden;
  }

  body.foyer-page .foyer-scene {
    min-height: 100svh;
    padding: 0;
  }

  body.foyer-page .deco-door,
  body.foyer-page .door-studio,
  body.foyer-page .door-library,
  body.foyer-page .door-gallery,
  body.foyer-page .door-brain {
    position: absolute;
    width: clamp(120px, 26vw, 190px);
    height: clamp(130px, 23vh, 190px);
  }

  body.foyer-page .door-studio {
    top: 25%;
    left: 3%;
  }

  body.foyer-page .door-library {
    top: 25%;
    right: 16rem;
  }

  body.foyer-page .door-gallery {
    bottom: 7%;
    left: 6%;
  }

  body.foyer-page .door-brain {
    right: 6%;
    bottom: 7%;
  }
}

@media (max-width: 650px) {
  body.foyer-page .deco-door,
  body.foyer-page .door-studio,
  body.foyer-page .door-library,
  body.foyer-page .door-gallery,
  body.foyer-page .door-brain {
    width: 43vw;
    height: 21vh;
    clip-path: none;
  }

  body.foyer-page .door-studio,
  body.foyer-page .door-gallery {
    left: 3vw;
  }

  body.foyer-page .door-library,
  body.foyer-page .door-brain {
    right: 3vw;
  }
}

/* Full-frame interactive rooms */

body.room-page {
  min-height: 100svh;
  overflow: hidden;
}

body.room-page .scene-primary {
  object-fit: cover;
  object-position: center;
}

body.studio-page .scene-primary {
  object-position: center 54%;
}

body.library-page .scene-primary {
  object-position: center 58%;
}

body.gallery-page .scene-primary {
  object-position: center 55%;
}

body.brain-page .scene-primary {
  object-position: center 48%;
}

.immersive-room {
  position: relative;
  z-index: 2;
  width: 100%;
  min-height: 100svh;
  overflow: hidden;
  transition: filter 430ms ease, transform 430ms cubic-bezier(.22, 1, .36, 1);
}

.immersive-room::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
  pointer-events: none;
  background: radial-gradient(circle 230px at var(--pointer-x, 50%) var(--pointer-y, 50%), rgba(180, 200, 209, 0.13), transparent 72%);
  mix-blend-mode: screen;
}

body.room-page.is-leaving .immersive-room {
  filter: brightness(0.52);
  transform: scale(1.025);
}

.room-hotspots {
  position: absolute;
  z-index: 3;
  inset: 0;
}

.room-hotspot {
  position: absolute;
  z-index: 3;
  display: block;
  width: clamp(130px, 15vw, 205px);
  height: clamp(125px, 22vh, 195px);
  padding: 0;
  border: 0;
  color: var(--silver);
  background: transparent;
  text-decoration: none;
  cursor: pointer;
}

.room-hotspot::before {
  position: absolute;
  inset: 0;
  opacity: 0;
  content: "";
  background:
    linear-gradient(var(--silver), var(--silver)) left top / 24px 1px no-repeat,
    linear-gradient(var(--silver), var(--silver)) left top / 1px 24px no-repeat,
    linear-gradient(var(--silver), var(--silver)) right top / 24px 1px no-repeat,
    linear-gradient(var(--silver), var(--silver)) right top / 1px 24px no-repeat,
    linear-gradient(var(--silver), var(--silver)) left bottom / 24px 1px no-repeat,
    linear-gradient(var(--silver), var(--silver)) left bottom / 1px 24px no-repeat,
    linear-gradient(var(--silver), var(--silver)) right bottom / 24px 1px no-repeat,
    linear-gradient(var(--silver), var(--silver)) right bottom / 1px 24px no-repeat;
  transition: opacity 180ms ease;
}

.hotspot-marker {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  border: 1px solid var(--silver);
  background: var(--midnight);
  box-shadow: 0 0 18px 5px rgba(180, 200, 209, 0.26);
  transform: translate(-50%, -50%) rotate(45deg);
  animation: hotspotPulse 2.8s ease-in-out infinite;
}

.hotspot-preview {
  position: absolute;
  z-index: 4;
  top: 58%;
  left: 50%;
  display: grid;
  width: clamp(125px, 13vw, 175px);
  opacity: 0;
  padding: 7px;
  border: 1px solid var(--silver);
  color: var(--silver);
  background: rgba(9, 11, 18, 0.95);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.68);
  pointer-events: none;
  transform: translate(-50%, 12px) scale(0.96);
  transition: opacity 180ms ease, transform 180ms ease;
}

.hotspot-preview img {
  width: 100%;
  max-height: 170px;
  object-fit: cover;
}

.hotspot-preview strong {
  display: block;
  padding: 0.55rem 0.35rem 0.2rem;
  font-family: var(--display);
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  line-height: 1.35;
  text-align: center;
}

.hotspot-preview-text {
  width: max-content;
  max-width: 190px;
  padding: 0.55rem 0.75rem;
}

.hotspot-preview-text strong {
  padding: 0;
}

.room-hotspot:hover,
.room-hotspot:focus-visible {
  background: radial-gradient(circle, rgba(180, 200, 209, 0.13), transparent 68%);
  outline: 0;
}

.room-hotspot:hover::before,
.room-hotspot:focus-visible::before {
  opacity: 1;
}

.room-hotspot:hover .hotspot-marker,
.room-hotspot:focus-visible .hotspot-marker {
  background: var(--silver);
  box-shadow: 0 0 30px 10px rgba(180, 200, 209, 0.4);
}

.room-hotspot:hover .hotspot-preview,
.room-hotspot:focus-visible .hotspot-preview {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

body.room-page .exit-door {
  top: auto;
  bottom: 1.2rem;
  left: 1.2rem;
  width: 112px;
  min-height: 54px;
  padding: 0.45rem 0.7rem;
  border: 0;
  background: transparent;
  transform: none;
}

body.room-page .exit-door:hover,
body.room-page .exit-door:focus-visible {
  color: var(--silver);
  background: transparent;
}

.listening-history {
  position: absolute;
  z-index: 4;
  top: 4.75rem;
  right: clamp(1rem, 4vw, 4rem);
  bottom: 6rem;
  left: clamp(1rem, 4vw, 4rem);
  overflow-y: auto;
  color: #f4e8c9;
  font-family: "Caveat", "Bradley Hand", "Segoe Print", cursive;
  font-size: clamp(1.05rem, 1.75vw, 1.5rem);
  line-height: 1.35;
  scrollbar-color: rgba(244, 232, 201, 0.42) transparent;
  scrollbar-width: thin;
  text-shadow: 0 1px 5px rgba(9, 11, 18, 0.95), 0 0 14px rgba(9, 11, 18, 0.86);
}

.listening-history-list {
  display: grid;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.listening-history-item {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(0.8rem, 3vw, 3rem);
  align-items: baseline;
  white-space: nowrap;
}

.listening-history-song {
  overflow: hidden;
  text-overflow: ellipsis;
}

.listening-history-date {
  font-variant-numeric: tabular-nums;
}

.library-hotspot-three .hotspot-preview,
.library-hotspot-four .hotspot-preview,
.gallery-hotspot-four .hotspot-preview,
.gallery-hotspot-five .hotspot-preview,
.brain-secret-hotspot .hotspot-preview {
  top: auto;
  bottom: 58%;
}

.library-hotspot-one {
  top: 16%;
  left: 10%;
}

.library-hotspot-two {
  top: 17%;
  right: 10%;
}

.library-hotspot-three {
  bottom: 8%;
  left: 27%;
}

.library-hotspot-four {
  right: 22%;
  bottom: 7%;
}

.gallery-hotspot-one {
  top: 14%;
  left: 5%;
}

.gallery-hotspot-two {
  top: 14%;
  left: 31%;
}

.gallery-hotspot-three {
  top: 26%;
  right: 12%;
}

.gallery-hotspot-four {
  bottom: 7%;
  left: 18%;
}

.gallery-hotspot-five {
  right: 22%;
  bottom: 7%;
}

.brain-secret-hotspot {
  right: 16%;
  bottom: 12%;
}

.secret-dialog {
  width: min(700px, calc(100% - 2rem));
}

.secret-dialog-frame .contact-form {
  margin-top: 1.5rem;
}

@media (hover: none) {
  .room-hotspot::before {
    opacity: 0.25;
  }

  .room-hotspot .hotspot-preview {
    width: max-content;
    max-width: 150px;
    opacity: 1;
    padding: 0.4rem 0.6rem;
    border-color: rgba(180, 200, 209, 0.6);
    transform: translate(-50%, 0) scale(1);
  }

  .room-hotspot .hotspot-preview img {
    display: none;
  }

  .gallery-page .room-hotspot .hotspot-preview {
    display: none;
  }
}

@media (max-width: 650px) {
  .room-hotspot {
    width: 42vw;
    height: 20vh;
  }

  .library-hotspot-one,
  .gallery-hotspot-one {
    top: 17%;
    bottom: auto;
    left: 3%;
  }

  .library-hotspot-two,
  .gallery-hotspot-two {
    top: 17%;
    right: 3%;
    left: auto;
  }

  .library-hotspot-three,
  .gallery-hotspot-three {
    top: auto;
    right: auto;
    bottom: 10%;
    left: 3%;
  }

  .library-hotspot-four,
  .gallery-hotspot-four {
    top: auto;
    right: 3%;
    bottom: 10%;
    left: auto;
  }

  .gallery-hotspot-five {
    top: 47%;
    right: auto;
    bottom: auto;
    left: 29%;
  }

  .brain-secret-hotspot {
    right: 7%;
    bottom: 12%;
  }

  .listening-history {
    top: 5rem;
    right: 0.8rem;
    bottom: 5rem;
    left: 0.8rem;
    font-size: clamp(0.92rem, 4.2vw, 1.15rem);
  }

  .listening-history-list {
    gap: 0.38rem;
  }

  .listening-history-item {
    gap: 0.65rem;
  }

  body.room-page .exit-door {
    right: auto;
    bottom: 0.75rem;
    left: 0.75rem;
    width: 96px;
    margin: 0;
  }
}

body.scene-page .scene-primary {
  filter: none;
}

/* Phone layouts keep every room usable without hover or fixed screen heights. */
@media (max-width: 700px), (hover: none) and (pointer: coarse) {
  body.scene-page {
    --phone-gutter: max(1rem, env(safe-area-inset-left, 0px), env(safe-area-inset-right, 0px));
    --phone-header: calc(5.5rem + env(safe-area-inset-top, 0px));
    --phone-footer: calc(5.5rem + env(safe-area-inset-bottom, 0px));
    min-height: 100vh;
    min-height: 100svh;
    min-height: 100dvh;
    overflow-x: hidden;
    overflow-y: auto;
  }

  body.scene-page.menu-open {
    overflow-y: hidden;
  }

  body.scene-page.menu-open main {
    pointer-events: none;
  }

  button,
  a,
  input,
  textarea {
    touch-action: manipulation;
  }

  .mansion-nav {
    top: max(0.65rem, env(safe-area-inset-top, 0px));
    right: max(0.75rem, env(safe-area-inset-right, 0px));
  }

  .elevator-toggle {
    min-width: 170px;
    min-height: 48px;
    padding: 0.55rem 0.8rem;
    border: 1px solid rgba(180, 200, 209, 0.35);
    background: rgba(9, 11, 18, 0.9);
    font-size: 0.72rem;
  }

  .elevator-toggle:hover,
  .elevator-toggle:focus-visible,
  .elevator-toggle[aria-expanded="true"] {
    background: rgba(9, 11, 18, 0.97);
  }

  .elevator-menu {
    top: calc(100% + 0.5rem);
    width: min(288px, calc(100vw - 2 * var(--phone-gutter)));
    max-height: calc(100vh - var(--phone-header) - 1rem - env(safe-area-inset-bottom, 0px));
    max-height: calc(100svh - var(--phone-header) - 1rem - env(safe-area-inset-bottom, 0px));
    max-height: calc(100dvh - var(--phone-header) - 1rem - env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0.35rem;
    border: 1px solid rgba(180, 200, 209, 0.55);
    background: rgba(9, 11, 18, 0.98);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.65);
  }

  .elevator-menu a {
    min-height: 48px;
    font-size: 0.74rem;
    letter-spacing: 0.1em;
  }

  body.foyer-page .foyer-scene {
    display: flex;
    min-height: 100vh;
    min-height: 100svh;
    min-height: 100dvh;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--phone-header) var(--phone-gutter) max(1.25rem, env(safe-area-inset-bottom, 0px));
    overflow: visible;
  }

  body.foyer-page .foyer-doors {
    position: relative;
    inset: auto;
    display: grid;
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
    padding: 0;
    margin: 0;
  }

  body.foyer-page .deco-door {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    min-height: 108px;
    min-height: clamp(108px, 19svh, 160px);
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 1.5rem 0.7rem;
    border: 1px solid rgba(180, 200, 209, 0.38);
    background: rgba(9, 11, 18, 0.8);
    clip-path: none;
  }

  body.foyer-page .deco-door::before {
    opacity: 0.5;
  }

  body.foyer-page .deco-door::after {
    display: none;
  }

  body.foyer-page .deco-door strong,
  body.foyer-page .deco-door .door-number {
    position: static;
    width: auto;
    max-width: 100%;
    opacity: 1;
    padding: 0;
    background: transparent;
    transform: none;
  }

  body.foyer-page .deco-door strong {
    font-size: 0.88rem;
    letter-spacing: 0.12em;
  }

  body.foyer-page .deco-door .door-number {
    font-size: 0.7rem;
  }

  body.foyer-page .deco-door:hover,
  body.foyer-page .deco-door:focus-visible {
    background: rgba(20, 29, 48, 0.95);
    transform: none;
  }

  body.foyer-page .deco-door:hover strong,
  body.foyer-page .deco-door:focus-visible strong,
  body.foyer-page .deco-door:hover .door-number,
  body.foyer-page .deco-door:focus-visible .door-number {
    transform: none;
  }

  .skip-intro {
    right: var(--phone-gutter);
    bottom: max(1rem, env(safe-area-inset-bottom, 0px));
    min-width: 64px;
    min-height: 44px;
  }

  body.room-page .immersive-room {
    min-height: 100vh;
    min-height: 100svh;
    min-height: 100dvh;
    padding: var(--phone-header) var(--phone-gutter) var(--phone-footer);
    overflow: visible;
  }

  body.room-page .room-hotspots {
    position: relative;
    inset: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    align-items: stretch;
  }

  body.room-page .room-hotspots .room-hotspot {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    min-width: 0;
    min-height: 48px;
    background: rgba(9, 11, 18, 0.9);
  }

  body.room-page .room-hotspots .room-hotspot::before,
  body.room-page .room-hotspots .hotspot-marker {
    display: none;
  }

  body.room-page .room-hotspots .hotspot-preview {
    position: static;
    inset: auto;
    display: grid;
    width: 100%;
    height: 100%;
    max-width: none;
    opacity: 1;
    align-content: start;
    padding: 0.6rem;
    border-color: rgba(180, 200, 209, 0.5);
    box-shadow: none;
    transform: none;
  }

  body.room-page .room-hotspots .hotspot-preview img {
    display: block;
    width: 100%;
    height: 132px;
    height: clamp(132px, 25svh, 200px);
    max-height: none;
    object-fit: contain;
  }

  body.room-page .room-hotspots .hotspot-preview strong {
    padding: 0.75rem 0.1rem 0.2rem;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    line-height: 1.5;
    overflow-wrap: anywhere;
  }

  body.gallery-page .room-hotspots .hotspot-preview img {
    height: auto;
    aspect-ratio: 1;
  }

  body.gallery-page .room-hotspots .gallery-meta {
    flex-wrap: wrap;
    gap: 0.35rem;
    padding-top: 0.7rem;
    font-size: 0.58rem;
    overflow-wrap: anywhere;
  }

  body.brain-page .brain-secret-hotspot {
    position: relative;
    inset: auto;
    display: flex;
    width: min(320px, 100%);
    height: auto;
    min-height: 120px;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    margin: 25vh auto 1rem;
    margin: 25svh auto 1rem;
    border: 1px solid rgba(180, 200, 209, 0.6);
    background: rgba(9, 11, 18, 0.9);
  }

  body.brain-page .brain-secret-hotspot .hotspot-marker {
    display: none;
  }

  body.brain-page .brain-secret-hotspot .hotspot-preview {
    position: static;
    inset: auto;
    width: auto;
    max-width: 100%;
    opacity: 1;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    transform: none;
  }

  body.brain-page .brain-secret-hotspot strong {
    font-size: 0.82rem;
  }

  body.room-page .exit-door {
    position: fixed;
    top: auto;
    right: auto;
    bottom: max(0.75rem, env(safe-area-inset-bottom, 0px));
    left: var(--phone-gutter);
    width: auto;
    min-width: 120px;
    min-height: 48px;
    padding: 0.55rem 1rem;
    margin: 0;
    border: 1px solid rgba(180, 200, 209, 0.4);
    background: rgba(9, 11, 18, 0.95);
    opacity: 1;
    transform: none;
  }

  body.studio-page {
    overflow-y: hidden;
  }

  body.studio-page .immersive-room {
    height: 100vh;
    height: 100svh;
    height: 100dvh;
  }

  .listening-history {
    top: var(--phone-header);
    right: var(--phone-gutter);
    bottom: var(--phone-footer);
    left: var(--phone-gutter);
    overscroll-behavior: contain;
    font-size: clamp(1.1rem, 4.7vw, 1.3rem);
    line-height: 1.45;
  }

  .listening-history-list {
    gap: 0;
  }

  .listening-history-item {
    gap: 0.7rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid rgba(244, 232, 201, 0.18);
    white-space: normal;
  }

  .listening-history-song {
    overflow: visible;
    overflow-wrap: anywhere;
    text-overflow: clip;
  }

  .listening-history-date {
    white-space: nowrap;
    font-size: 0.95rem;
  }

  .deco-dialog {
    width: min(640px, calc(100% - 1rem));
    max-width: none;
    max-height: calc(100vh - 2rem - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
    max-height: calc(100svh - 2rem - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
    max-height: calc(100dvh - 2rem - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .deco-dialog .dialog-frame {
    min-width: 0;
    padding: 1rem;
  }

  .deco-dialog .dialog-close {
    position: sticky;
    z-index: 5;
    top: 0.5rem;
    right: auto;
    width: 44px;
    height: 44px;
    margin: 0 0 0.75rem auto;
  }

  .dialog-frame h2 {
    margin-right: 0;
    font-size: clamp(1.05rem, 5vw, 1.5rem);
    overflow-wrap: anywhere;
  }

  .book-dialog-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
  }

  .book-dialog-grid img {
    width: min(176px, 60%);
    margin: 0 auto;
  }

  .book-dialog-grid p {
    margin: 0 0 0.5rem;
  }

  .gallery-dialog .dialog-frame {
    display: flex;
    min-height: 0;
    flex-direction: column;
    align-items: stretch;
  }

  .gallery-dialog-figure {
    min-width: 0;
  }

  .gallery-dialog img {
    width: 100%;
    max-height: calc(100vh - 13rem);
    max-height: calc(100svh - 13rem);
    max-height: calc(100dvh - 13rem);
  }

  .gallery-dialog .gallery-meta {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .gallery-dialog-controls {
    position: static;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1rem;
  }

  .gallery-dialog-controls button {
    width: 48px;
    height: 48px;
  }

  .contact-form input,
  .contact-form textarea {
    min-height: 48px;
    font-size: 16px;
  }

  .contact-form textarea {
    min-height: 140px;
  }

  .lost-room {
    padding: 1.5rem;
  }

  body.foyer-page .deco-door:focus-visible,
  body.room-page .room-hotspots .room-hotspot:focus-visible,
  body.brain-page .brain-secret-hotspot:focus-visible {
    outline: 2px solid var(--silver);
    outline-offset: 3px;
  }

  .scene-primary,
  .city-clouds,
  .film-grain {
    animation: none;
  }

  .scene-primary {
    transform: none !important;
  }

  .film-grain {
    display: none;
  }
}

@media (max-width: 430px) {
  .listening-history-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
  }

  .listening-history-date {
    opacity: 0.8;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .entrance-curtain,
  .skip-intro {
    display: none;
  }

  .scene-primary {
    transform: none !important;
  }
}