:root {
  --ink: #e8e2d6;
  --muted: rgba(232, 226, 214, 0.55);
  --bg: #050505;
  --accent: #c4a574;
  --panel: rgba(8, 8, 8, 0.72);
  --font-display: "Cormorant Garamond", "Palatino Linotype", Palatino, Georgia, serif;
  --font-ui: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

@font-face {
  font-family: "Cormorant Garamond";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("https://cdn.jsdelivr.net/fontsource/fonts/cormorant-garamond@latest/latin-500-normal.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("https://cdn.jsdelivr.net/fontsource/fonts/ibm-plex-sans@latest/latin-400-normal.woff2") format("woff2");
}

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

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  overflow: hidden;
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
}

#c {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  padding: 2rem;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(40, 28, 18, 0.55), transparent 55%),
    linear-gradient(180deg, rgba(5, 5, 5, 0.55), rgba(5, 5, 5, 0.88));
  transition: opacity 0.8s ease, visibility 0.8s ease;
  z-index: 2;
}

.overlay.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.brand {
  text-align: center;
  max-width: 36rem;
}

.series {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  line-height: 1.45;
  color: var(--accent);
}

.eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
}

.sub {
  margin: 0.85rem 0 0;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.45;
}

.credit {
  margin: 1.15rem 0 0;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.copyright {
  margin: 0.35rem 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

#btn-start,
.ghost,
.edition-btn {
  appearance: none;
  border: 1px solid rgba(232, 226, 214, 0.35);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 0.85rem 1.8rem;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, opacity 0.25s ease;
}

#btn-start:hover,
#btn-start:focus-visible,
.ghost:hover,
.ghost:focus-visible,
.edition-btn:hover,
.edition-btn:focus-visible {
  background: rgba(232, 226, 214, 0.08);
  border-color: var(--accent);
  outline: none;
}

.ghost[hidden] {
  display: none !important;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.edition-pick {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
}

.edition-btn {
  letter-spacing: 0.12em;
  padding: 0.7rem 1.1rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  min-width: 9.5rem;
}

.edition-btn span {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: none;
  color: var(--muted);
}

.edition-btn.is-active {
  border-color: var(--accent);
  background: rgba(196, 165, 116, 0.12);
}

.hint {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.door-title {
  position: absolute;
  top: 8%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 2;
  pointer-events: none;
  max-width: min(28rem, 90vw);
  transition: opacity 1.2s ease;
}

.door-title.hidden {
  opacity: 0;
}

.door-title.is-fading {
  opacity: 0;
}

.door-num {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
}

.door-title h2 {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  letter-spacing: 0.04em;
}

.door-epi {
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.4;
  font-style: italic;
}

.door-work {
  margin: 1rem 0 0;
}

.door-work-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.door-work-author {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.door-work-copy {
  margin: 0.25rem 0 0;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.door-bar {
  margin: 1.1rem auto 0;
  width: 7rem;
  height: 1px;
  background: rgba(232, 226, 214, 0.15);
  overflow: hidden;
}

.door-bar i {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.2s linear;
}

.hud {
  position: absolute;
  left: 1.1rem;
  bottom: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: baseline;
  padding: 0.55rem 0.85rem;
  background: var(--panel);
  border: 1px solid rgba(232, 226, 214, 0.12);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  z-index: 2;
  pointer-events: none;
  max-width: calc(100% - 2.2rem);
}

.hud #preset-label {
  color: var(--ink);
}

.hud,
.hud.hidden {
  display: none !important;
}

body.is-kiosk .hud,
body.is-kiosk .door-epi {
  opacity: 0.35;
}

body.is-vr .overlay,
body.is-vr .door-title,
body.is-vr .hud,
body.is-vr .mix-panel {
  display: none !important;
}

.mix-panel {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: min(18.5rem, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  padding: 0.85rem 1rem 1rem;
  background: var(--panel);
  border: 1px solid rgba(232, 226, 214, 0.14);
  backdrop-filter: blur(10px);
  z-index: 5;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.mix-panel.hidden {
  display: none;
}

.mix-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
}

.mix-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--ink);
  letter-spacing: 0.06em;
}

.mix-head-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.mix-reset {
  appearance: none;
  border: 1px solid rgba(232, 226, 214, 0.22);
  background: transparent;
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.28rem 0.55rem;
  cursor: pointer;
}

.mix-reset:hover {
  border-color: var(--accent);
  color: var(--ink);
}

.mix-close {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.15rem 0.35rem;
}

.mix-close:hover {
  color: var(--ink);
}

.mix-sec {
  margin-top: 0.85rem;
  padding-top: 0.65rem;
  border-top: 1px solid rgba(232, 226, 214, 0.1);
}

.mix-sec h3 {
  margin: 0 0 0.55rem;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.mix-row {
  display: grid;
  grid-template-columns: 6.2rem 1fr;
  align-items: center;
  gap: 0.55rem;
  margin: 0.35rem 0;
}

.mix-row span {
  color: var(--ink);
  opacity: 0.85;
}

.mix-row input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  height: 0.35rem;
  cursor: pointer;
}

.mix-check {
  margin-top: 0.65rem;
}

.mix-check input[type="checkbox"] {
  justify-self: start;
  accent-color: var(--accent);
  width: 1rem;
  height: 1rem;
}

.mix-foot {
  margin: 0.85rem 0 0;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.55;
}

@media (max-width: 640px) {
  .hint {
    max-width: 16rem;
    text-align: center;
    line-height: 1.5;
  }

  .edition-btn {
    min-width: 8rem;
  }

  .mix-panel {
    top: auto;
    bottom: 3.5rem;
    right: 0.75rem;
    left: 0.75rem;
    width: auto;
  }
}

/* ——— Mode démonstration Fineterre ——— */
#ft-wm {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  display: none;
  align-items: center;
  justify-content: center;
}
#ft-wm.is-on,
body.ft-demo #ft-wm.is-on {
  display: flex !important;
}
.ft-wm-txt {
  transform: rotate(-28deg);
  font-size: clamp(26px, 6.2vw, 76px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.09);
  letter-spacing: 0.16em;
  white-space: nowrap;
  text-transform: uppercase;
  font-family: var(--font-ui);
  user-select: none;
}
body:not(.ft-demo) #ft-wm,
#ft-wm:not(.is-on) {
  display: none !important;
}

#ft-credit {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 30;
  max-width: min(62%, 28rem);
  padding: 14px 18px;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease;
  text-shadow: 0 1px 8px #000;
  background: linear-gradient(to bottom, rgba(5, 5, 5, 0.55), transparent);
}
#ft-credit.is-on {
  opacity: 1;
  visibility: visible;
}
.ft-ctitle {
  color: var(--ink);
  font-size: 14px;
  letter-spacing: 0.08em;
  margin-bottom: 3px;
  font-family: var(--font-display);
}
.ft-cline {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

#ft-transport {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 30;
  display: none;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
  align-items: center;
  padding: 14px 18px;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(5, 5, 5, 0.55), transparent);
}
#ft-transport.is-on {
  display: flex;
  pointer-events: auto;
}
.ft-tbtn {
  background: rgba(10, 12, 20, 0.55);
  border: 1px solid rgba(232, 226, 214, 0.22);
  color: #dfe3ec;
  min-width: 40px;
  height: 34px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.2s;
  backdrop-filter: blur(6px);
  padding: 0 10px;
}
.ft-tbtn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
}
.ft-tbtn.on {
  border-color: var(--accent);
  color: var(--accent);
}
.ft-remain {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  min-width: 2.8rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
body.ft-demo .ft-remain {
  color: var(--accent);
}

#ft-access {
  position: fixed;
  left: 50%;
  bottom: 56px;
  transform: translateX(-50%);
  z-index: 35;
  display: none;
  gap: 8px;
  align-items: center;
  background: rgba(8, 10, 18, 0.65);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(232, 226, 214, 0.22);
  border-radius: 999px;
  padding: 6px 8px 6px 16px;
  pointer-events: auto;
}
#ft-access.is-on {
  display: flex;
}
.ft-access-label {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.12em;
}
#ft-key-input {
  background: transparent;
  border: none;
  color: var(--ink);
  outline: none;
  width: 120px;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-family: var(--font-ui);
}
#ft-key-btn {
  background: var(--accent);
  color: #0a1208;
  border: none;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  font-family: var(--font-ui);
}
.ft-key-msg {
  font-size: 11px;
  margin-left: 4px;
}
.ft-key-msg.ok {
  color: #9fd6a0;
}
.ft-key-msg.err {
  color: #e2b7b7;
}

#ft-end {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 8vw;
  background: radial-gradient(120% 90% at 50% 40%, rgba(8, 10, 20, 0.6), rgba(2, 3, 7, 0.97));
}
#ft-end.is-on {
  display: flex;
}
#ft-end h2 {
  font-weight: 300;
  font-size: clamp(18px, 3.2vw, 36px);
  letter-spacing: 0.08em;
  margin: 0 0 0.6em;
  font-family: var(--font-display);
}
#ft-end p {
  max-width: 28rem;
  color: var(--muted);
  line-height: 1.5;
  margin: 0 0 1.4rem;
}
.ft-end-btns {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}
.ft-end-btns button {
  appearance: none;
  border: 1px solid rgba(232, 226, 214, 0.35);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.75rem 1.4rem;
  cursor: pointer;
}
.ft-end-btns button.primary {
  background: var(--accent);
  color: #0a1208;
  border-color: var(--accent);
}

@media (max-width: 640px) {
  #ft-credit {
    max-width: 70%;
    padding: 10px 12px;
  }
  .ft-ctitle {
    font-size: 12px;
  }
  .ft-cline {
    font-size: 10px;
  }
  #ft-transport {
    padding: 10px 8px;
    max-width: 48%;
  }
  .ft-tbtn {
    min-width: 34px;
    height: 30px;
    padding: 0 7px;
  }
  #ft-access {
    bottom: 20px;
    width: calc(100% - 1.5rem);
    max-width: 22rem;
    justify-content: center;
  }
}