:root {
  color-scheme: dark;
  --black: #050103;
  --wine: #36000d;
  --velvet: #7e001f;
  --crimson: #c80034;
  --gold: #f4dda0;
  --green: #2d735f;
  --video-ratio: 0.5660377358;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background: var(--black);
  color: #fff8e2;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

button {
  font: inherit;
}

.stage {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: 100svh;
  place-items: center;
  overflow: hidden;
  padding: clamp(16px, 3vw, 34px);
}

.stage::before,
.stage::after {
  position: fixed;
  inset: 0;
  z-index: -3;
  content: "";
  pointer-events: none;
}

.stage::before {
  background:
    radial-gradient(circle at 50% 44%, rgba(255, 229, 163, 0.2), transparent 25%),
    radial-gradient(circle at 27% 75%, rgba(40, 126, 97, 0.32), transparent 27%),
    radial-gradient(circle at 74% 72%, rgba(202, 0, 49, 0.34), transparent 25%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.88), transparent 24%, transparent 76%, rgba(0, 0, 0, 0.9)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.78), transparent 28%, rgba(0, 0, 0, 0.84));
}

.stage::after {
  z-index: -1;
  opacity: 0.58;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 52px,
      rgba(244, 221, 160, 0.08) 53px,
      transparent 55px
    ),
    radial-gradient(ellipse at 50% 102%, rgba(0, 0, 0, 0.9), transparent 36%);
  mix-blend-mode: screen;
}

.backdrop-video {
  position: fixed;
  inset: -8vh -8vw;
  z-index: -5;
  width: 116vw;
  height: 116vh;
  object-fit: cover;
  opacity: 0.72;
  filter: blur(34px) saturate(1.38) brightness(0.55) contrast(1.18);
  transform: scale(1.08);
}

.curtain {
  position: fixed;
  top: -8vh;
  bottom: -8vh;
  z-index: -2;
  width: min(27vw, 390px);
  opacity: 0.7;
  pointer-events: none;
}

.curtain::before,
.curtain::after {
  position: absolute;
  inset: 0;
  content: "";
}

.curtain::before {
  background:
    repeating-linear-gradient(
      90deg,
      rgba(30, 0, 8, 0.8) 0,
      rgba(126, 0, 31, 0.78) 13%,
      rgba(40, 0, 11, 0.86) 25%
    ),
    linear-gradient(180deg, rgba(0, 0, 0, 0.86), transparent 28%, rgba(0, 0, 0, 0.72));
}

.curtain::after {
  background:
    radial-gradient(ellipse at 50% 6%, rgba(255, 206, 143, 0.18), transparent 32%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.72), transparent 38%, rgba(0, 0, 0, 0.54));
  mix-blend-mode: screen;
}

.curtain-left {
  left: -4vw;
  transform: skewX(-5deg);
}

.curtain-right {
  right: -4vw;
  transform: scaleX(-1) skewX(-5deg);
}

.spotlight {
  position: fixed;
  top: -18vh;
  z-index: -1;
  width: 30vw;
  height: 118vh;
  min-width: 240px;
  opacity: 0.42;
  pointer-events: none;
  filter: blur(1px);
  mix-blend-mode: screen;
}

.spotlight-left {
  left: 19vw;
  background: conic-gradient(from 202deg at 50% 0%, transparent 0 13deg, rgba(252, 221, 159, 0.38) 18deg, transparent 29deg);
  transform: rotate(8deg);
}

.spotlight-right {
  right: 18vw;
  background: conic-gradient(from 158deg at 50% 0%, transparent 0 13deg, rgba(69, 180, 136, 0.32) 18deg, transparent 30deg);
  transform: rotate(-9deg);
}

.video-shell {
  position: relative;
  width: min(88vw, calc((100svh - 52px) * var(--video-ratio)), 520px);
  aspect-ratio: 480 / 848;
  overflow: hidden;
  border: 1px solid rgba(255, 234, 184, 0.36);
  border-radius: 7px;
  background: #090204;
  box-shadow:
    0 0 0 1px rgba(126, 0, 31, 0.46),
    0 24px 90px rgba(0, 0, 0, 0.68),
    0 0 96px rgba(200, 0, 52, 0.32),
    0 0 160px rgba(45, 115, 95, 0.18);
}

.video-shell::before {
  position: absolute;
  inset: -18px;
  z-index: -1;
  border: 1px solid rgba(244, 221, 160, 0.2);
  border-radius: 8px;
  content: "";
  box-shadow: 0 0 42px rgba(244, 221, 160, 0.13);
}

.video-shell::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.1), transparent 14%, transparent 86%, rgba(255, 255, 255, 0.09)),
    linear-gradient(180deg, rgba(255, 246, 205, 0.12), transparent 16%, transparent 74%, rgba(0, 0, 0, 0.28));
  mix-blend-mode: screen;
}

.main-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}

.video-loader {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 18px;
  background:
    radial-gradient(circle at 50% 42%, rgba(244, 221, 160, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(5, 1, 3, 0.3), rgba(5, 1, 3, 0.74));
  color: #fff6d8;
  opacity: 1;
  transition:
    opacity 360ms ease,
    visibility 360ms ease;
}

.video-shell.is-ready .video-loader {
  visibility: hidden;
  opacity: 0;
}

.video-loader__mark {
  position: relative;
  width: 54px;
  height: 54px;
  border: 1px solid rgba(244, 221, 160, 0.3);
  border-radius: 50%;
  box-shadow:
    inset 0 0 22px rgba(200, 0, 52, 0.2),
    0 0 30px rgba(244, 221, 160, 0.15);
}

.video-loader__mark::before,
.video-loader__mark::after {
  position: absolute;
  content: "";
}

.video-loader__mark::before {
  inset: 7px;
  border: 2px solid transparent;
  border-top-color: var(--gold);
  border-right-color: rgba(74, 188, 143, 0.72);
  border-radius: inherit;
  animation: loader-spin 980ms linear infinite;
}

.video-loader__mark::after {
  inset: 20px;
  border-radius: inherit;
  background: rgba(200, 0, 52, 0.82);
  box-shadow: 0 0 18px rgba(200, 0, 52, 0.72);
}

.video-loader__text {
  min-width: 96px;
  padding: 8px 15px;
  border: 1px solid rgba(244, 221, 160, 0.24);
  border-radius: 7px;
  background: rgba(5, 1, 3, 0.62);
  color: #fff6d8;
  font-size: 14px;
  line-height: 1;
  text-align: center;
  letter-spacing: 0;
  backdrop-filter: blur(12px);
}

@keyframes loader-spin {
  to {
    transform: rotate(1turn);
  }
}

.sound-toggle {
  position: fixed;
  right: clamp(14px, 3vw, 34px);
  bottom: clamp(14px, 3vw, 34px);
  z-index: 2;
  min-width: 74px;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(244, 221, 160, 0.36);
  border-radius: 7px;
  background: rgba(5, 1, 3, 0.72);
  color: #fff6d8;
  cursor: pointer;
  letter-spacing: 0;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(14px);
  transition:
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.sound-toggle:hover,
.sound-toggle:focus-visible {
  border-color: rgba(244, 221, 160, 0.76);
  background: rgba(39, 0, 10, 0.82);
  outline: none;
}

.sound-toggle:active {
  transform: translateY(1px);
}

.sound-toggle[aria-pressed="true"] {
  border-color: rgba(74, 188, 143, 0.72);
}

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

@media (max-width: 680px) {
  .stage {
    padding: 12px;
  }

  .curtain {
    width: 34vw;
    opacity: 0.52;
  }

  .spotlight {
    opacity: 0.28;
  }

  .video-shell {
    width: min(92vw, calc((100svh - 32px) * var(--video-ratio)));
  }

  .sound-toggle {
    right: 12px;
    bottom: 12px;
    min-width: 68px;
    min-height: 40px;
    padding-inline: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .backdrop-video {
    display: none;
  }

  .video-loader__mark::before {
    animation: none;
  }
}