/* OUVRE — cinematic scroll-driven door reveal */

:root {
  --bg: #070A0F;
  --bg-2: #0E121A;
  --warm: #C8A06E;
  --warm-2: #E8C088;
  --ink: #ECE7DA;
  --ink-2: #8B8473;
  --tone: #C8A06E;
  --display: 'Fraunces', Georgia, serif;
  --sans: 'Inter Tight', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overscroll-behavior-y: none;
}

img { max-width: 100%; display: block; user-select: none; -webkit-user-drag: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* ===== PERSISTENT UI ===== */
.ui {
  position: fixed; top: 22px; left: 0; right: 0;
  z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 30px;
  pointer-events: none;
  mix-blend-mode: difference;
  color: #fff;
}
.ui > * { pointer-events: auto; }
.ui__brand {
  font-family: var(--display);
  font-weight: 300;
  font-size: 18px;
  letter-spacing: 0.32em;
  color: inherit;
  text-decoration: none;
}
.ui__hint, .ui__chap {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  opacity: 0.7;
}
.ui__hint { animation: blink 2.4s ease-in-out infinite; }
@keyframes blink { 0%, 100% { opacity: 0.4; } 50% { opacity: 0.95; } }

.snd {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 50;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  background: rgba(7, 10, 15, 0.6);
  border: 1px solid rgba(236, 231, 218, 0.2);
  padding: 9px 14px;
  color: var(--ink);
  backdrop-filter: blur(10px);
  transition: border-color 0.25s;
}
.snd:hover { border-color: var(--warm); }
.snd__off { display: none; }
.snd.is-on .snd__on { display: none; }
.snd.is-on .snd__off { display: inline; color: var(--warm); }

/* ===== ACTS ===== */
.act {
  position: relative;
  width: 100%;
  background: var(--bg);
}

/* ===== ACT 0 — door opens (scroll-driven, sticky stage) ===== */
.act--open {
  height: 320vh; /* scroll length controls open speed */
}
.act--open .stage {
  position: sticky; top: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  perspective: 1800px;
  perspective-origin: 50% 60%;
}

.bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.bg__floor {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 36%;
  background:
    linear-gradient(180deg, transparent, rgba(200, 160, 110, 0.06) 30%, rgba(200, 160, 110, 0.18)),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 78px,
      rgba(232, 192, 136, 0.05) 78px,
      rgba(232, 192, 136, 0.05) 80px);
  transform-origin: 50% 100%;
  transform: perspective(800px) rotateX(70deg);
}
.bg__halo {
  position: absolute;
  top: -10%;
  left: 50%;
  width: 80%;
  aspect-ratio: 1;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(200, 160, 110, 0.18), transparent 65%);
  filter: blur(40px);
}
.bg__particles {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 12% 22%, rgba(255, 240, 220, 0.4) 50%, transparent 50%),
    radial-gradient(1px 1px at 84% 71%, rgba(255, 240, 220, 0.3) 50%, transparent 50%),
    radial-gradient(1px 1px at 38% 53%, rgba(255, 240, 220, 0.2) 50%, transparent 50%),
    radial-gradient(1px 1px at 62% 17%, rgba(255, 240, 220, 0.45) 50%, transparent 50%),
    radial-gradient(1px 1px at 22% 81%, rgba(255, 240, 220, 0.3) 50%, transparent 50%),
    radial-gradient(1px 1px at 78% 38%, rgba(255, 240, 220, 0.2) 50%, transparent 50%);
  animation: drift 18s linear infinite;
  opacity: 0.6;
}
@keyframes drift {
  to { background-position: -50px 80px, 50px -60px, -30px 40px, 60px 50px, -40px -50px, 30px 30px; }
}

.hero {
  position: absolute;
  top: 12vh; left: 50%;
  transform: translateX(-50%);
  font-family: var(--display);
  font-weight: 300;
  font-variation-settings: 'opsz' 144;
  font-size: clamp(40px, 6.5vw, 84px);
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0;
  text-align: center;
  z-index: 5;
  pointer-events: none;
  text-shadow: 0 1px 30px rgba(0, 0, 0, 0.6);
  transition: opacity 0.6s, transform 0.8s;
}
.hero span { display: block; }
.hero .i { font-style: italic; color: var(--warm); margin-top: 6px; }
.act--open[data-progress="2"] .hero { opacity: 0; transform: translateX(-50%) translateY(-30px); }

/* the door wing (PNG, hinged on left) */
.wing {
  position: absolute;
  top: 50%; left: 50%;
  width: clamp(280px, 34vw, 520px);
  aspect-ratio: 0.46;
  transform: translate(-50%, -50%);
  z-index: 4;
  transform-style: preserve-3d;
}
.wing__inner {
  position: absolute; inset: 0;
  transform-origin: 0% 50%;
  transform: rotateY(calc(var(--r, 0) * -88deg));
  transition: transform 0.05s linear;
  box-shadow:
    0 25px 60px -10px rgba(0, 0, 0, 0.5),
    0 80px 120px -40px rgba(200, 160, 110, 0.15);
  background: rgba(7, 10, 15, 0.4);
}
.wing__inner img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.85) contrast(1.05);
}
.wing__handle {
  position: absolute;
  right: 5%;
  top: 48%;
  width: 14px; height: 60px;
  background: linear-gradient(180deg, var(--warm-2), var(--warm) 30%, #6E5232);
  border-radius: 6px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.25), 0 4px 8px rgba(0, 0, 0, 0.35);
}
.wing__shadow {
  position: absolute;
  bottom: -20px; left: 50%;
  transform: translateX(-50%);
  width: 80%; height: 30px;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.6), transparent 70%);
  filter: blur(8px);
  opacity: calc(1 - var(--r, 0) * 0.7);
}

/* reveal text behind */
.reveal {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  text-align: center;
  opacity: var(--r, 0);
  transition: opacity 0.3s;
  pointer-events: none;
}
.reveal__sub {
  font-family: var(--display);
  font-weight: 300;
  font-style: italic;
  font-variation-settings: 'opsz' 144;
  font-size: clamp(28px, 4.4vw, 56px);
  line-height: 1.1;
  color: var(--warm);
  margin: 0 0 8px;
  letter-spacing: -0.02em;
  text-shadow: 0 0 30px rgba(0, 0, 0, 0.8);
}
.reveal__sub--2 { color: var(--ink); margin: 12px 0 0; }

/* ===== ROOM (chambres 1-4) ===== */
.act--room {
  min-height: 100vh;
  border-top: 1px solid rgba(236, 231, 218, 0.05);
}
.act--room .stage {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr;
  gap: 0;
  padding: clamp(80px, 12vh, 140px) clamp(24px, 6vw, 80px);
  overflow: hidden;
}
@media (max-width: 880px) { .act--room .stage { grid-template-columns: 1fr; padding-top: 100px; } }

.act--room::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, color-mix(in srgb, var(--tone) 20%, transparent), transparent 70%);
  pointer-events: none;
}

.num {
  position: absolute;
  top: 32px; left: 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--tone);
}
.mood {
  position: absolute;
  top: 32px; right: 32px;
  font-family: var(--display);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-2);
  margin: 0;
  font-variation-settings: 'opsz' 36;
}

.rname {
  align-self: center;
  grid-column: 1;
  font-family: var(--display);
  font-weight: 200;
  font-variation-settings: 'opsz' 144, 'wght' 200;
  font-size: clamp(60px, 10vw, 168px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin: 0;
  z-index: 3;
}
@media (max-width: 880px) { .rname { grid-column: 1; font-size: clamp(48px, 14vw, 90px); } }

.rdoor {
  margin: 0;
  align-self: center;
  grid-column: 2;
  display: grid; place-items: center;
  z-index: 2;
}
@media (max-width: 880px) { .rdoor { grid-column: 1; } }
.rdoor img {
  max-height: 70vh;
  width: auto;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.5)) drop-shadow(0 0 80px color-mix(in srgb, var(--tone) 40%, transparent));
  transition: transform 0.6s cubic-bezier(.16, 1, .3, 1);
}

.rinfo {
  position: absolute;
  bottom: 40px;
  left: 32px;
  right: 32px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 30px;
  align-items: end;
  z-index: 3;
}
@media (max-width: 700px) { .rinfo { grid-template-columns: 1fr; gap: 16px; } }

.rdesc {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(15px, 1.5vw, 19px);
  line-height: 1.45;
  color: var(--ink);
  margin: 0;
  max-width: 36ch;
  font-variation-settings: 'opsz' 36;
}
.rmeta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid rgba(236, 231, 218, 0.18);
  padding-top: 14px;
  margin-bottom: 12px;
}
.rmeta__d {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-2);
}
.rmeta__p {
  font-family: var(--display);
  font-weight: 300;
  font-size: 32px;
  color: var(--tone);
  letter-spacing: -0.02em;
}
.rcta {
  grid-column: 2;
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--tone);
  padding: 16px 22px;
  text-align: center;
  transition: background 0.3s, color 0.3s;
}
.rcta:hover { background: var(--tone); color: var(--bg); }
@media (max-width: 700px) { .rcta { grid-column: 1; } }

/* ===== FINAL ===== */
.act--final {
  background: var(--bg-2);
  border-top: 1px solid rgba(236, 231, 218, 0.1);
}
.act--final .stage {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(80px, 12vh, 140px) clamp(24px, 6vw, 80px);
  text-align: center;
}
.fkick {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--warm);
  margin: 0 0 30px;
}
.fname {
  font-family: var(--display);
  font-weight: 300;
  font-variation-settings: 'opsz' 144;
  font-size: clamp(48px, 7.5vw, 120px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0 0 60px;
  color: var(--ink);
}
.fname em { font-style: italic; color: var(--warm); }

.ff {
  width: 100%;
  max-width: 580px;
  display: grid;
  gap: 18px;
  text-align: left;
  margin: 0 auto;
}
.ff__lbl {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-2);
  margin: 0;
}
.ff__lbl input,
.ff__lbl select {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 16px 14px;
  background: var(--bg);
  border: 1px solid rgba(236, 231, 218, 0.18);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
}
.ff__lbl input:focus,
.ff__lbl select:focus { border-color: var(--warm); }

.ff__row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .ff__row { grid-template-columns: 1fr; } }

.hp { position: absolute; left: -9999px; }

.ff__btn {
  background: var(--warm);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.25em;
  padding: 22px;
  border: 0;
  margin-top: 10px;
  transition: background 0.25s;
}
.ff__btn:hover { background: var(--warm-2); }
.ff__sm {
  text-align: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-2);
  margin: 8px 0 0;
}

.fsign {
  position: absolute;
  bottom: 28px;
  font-family: var(--display);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-2);
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.05ms !important;
  }
  .wing__inner { transform: rotateY(-85deg); }
  .reveal { opacity: 1; }
  .hero { opacity: 0; }
}