:root {
  color-scheme: dark;
  --door-progress: 0;
}

@font-face {
  font-family: "Mattone";
  src: url("./assets/fonts/mattone/Mattone-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Mattone";
  src: url("./assets/fonts/mattone/Mattone-Black.woff2") format("woff2");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}
* { box-sizing: border-box; }

html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
}

.full-flow,
.scene-frame,
.level-opening,
.elevator-transition {
  position: fixed;
  inset: 0;
}

.scene-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
}

.home-frame {
  z-index: 1;
  opacity: 0;
  transform: scale(1.012);
  filter: brightness(.9) saturate(.98);
  transition: opacity 820ms cubic-bezier(.18,.82,.14,1), transform 1100ms cubic-bezier(.18,.82,.14,1), filter 820ms ease;
}

.level-opening {
  z-index: 2;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #000;
  opacity: 1;
  transition: opacity 760ms cubic-bezier(.18,.82,.14,1), filter 760ms ease, transform 900ms cubic-bezier(.18,.82,.14,1);
}

.level-haze {
  position: absolute;
  inset: -16%;
  background: transparent;
}

.level-readout {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 1.6vw, 24px);
  color: #fff;
  text-shadow: none;
  will-change: transform, opacity;
}

.level-word {
  font: 900 clamp(28px, 4.6vw, 70px)/1 "Mattone", ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0;
  will-change: transform, opacity;
}

.level-number {
  min-width: 3.15ch;
  font: 900 clamp(52px, 10vw, 158px)/.82 "Mattone", ui-sans-serif, system-ui, sans-serif;
  letter-spacing: .015em;
  font-variant-numeric: tabular-nums;
  will-change: transform, opacity;
}

body[data-phase="blackout"] .level-opening {
  opacity: 0;
  transform: scale(.985);
  filter: blur(2px);
}

.elevator-transition {
  z-index: 3;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  background: transparent;
}

.door {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: #000;
  transform: translateX(0);
  will-change: transform;
}

.door-left {
  left: 0;
}

.door-right {
  right: 0;
}

body[data-phase="elevator"] .home-frame,
body[data-phase="home"] .home-frame {
  opacity: 1;
  transform: scale(1);
  filter: brightness(1) saturate(1) blur(0);
}

body[data-phase="elevator"] .level-opening {
  opacity: 0;
  pointer-events: none;
}

body[data-phase="elevator"] .elevator-transition {
  opacity: 1;
}

body[data-phase="elevator"] .door-left {
  transform: translateX(calc(-101% * var(--door-progress)));
}

body[data-phase="elevator"] .door-right {
  transform: translateX(calc(101% * var(--door-progress)));
}

body[data-phase="home"] .home-frame {
  opacity: 1;
  transform: scale(1);
  filter: brightness(1) saturate(1) blur(0);
}

body[data-phase="home"] .level-opening {
  opacity: 0;
  transform: scale(.985);
  filter: blur(2px);
  pointer-events: none;
}

body[data-phase="home"] .elevator-transition {
  display: none;
}