:root {
  --bg: #000;
  --ink: #f4f6fb;
  --muted: rgba(244, 246, 251, 0.7);
  --line-soft: rgba(244, 246, 251, 0.48);
  --hero-top-desktop: 44.5%;
  --hero-top-mobile: 44.8%;
  --note-top-mobile: 63.8vh;
  --links-top-desktop: 76%;
  --links-top-mobile: 76.6%;
  --timecode-bottom-desktop: 0.95rem;
  --sound-bottom-desktop: 0.82rem;
  --stage-fade-duration: 620ms;
  --glow-x: 50%;
  --glow-y: 46%;
  --glow-strength: 0.9;
}

@font-face {
  font-family: "Cakra";
  src: url("assets/fonts/Cakra-Normal.woff2") format("woff2"),
       url("assets/fonts/Cakra-Normal.woff") format("woff");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, "Segoe UI", sans-serif;
}

.film-stage {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100dvh;
  isolation: isolate;
  overflow: hidden;
}

.film-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 42%, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.36) 72%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.45));
  opacity: 1;
  transition: opacity var(--stage-fade-duration) ease 120ms;
  will-change: opacity;
}

body.stage-ready .film-stage::after {
  opacity: 0;
}

.scene-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  background: #000;
  transition: opacity 900ms ease;
  will-change: opacity;
  transform: translateZ(0);
}

body.video-live .scene-video {
  opacity: 1;
}

.ambient-light {
  position: absolute;
  inset: -12%;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(
      42rem 30rem at var(--glow-x) var(--glow-y),
      rgba(210, 231, 255, calc(0.17 * var(--glow-strength))) 0%,
      rgba(125, 165, 214, calc(0.12 * var(--glow-strength))) 24%,
      rgba(54, 84, 116, calc(0.08 * var(--glow-strength))) 42%,
      rgba(0, 0, 0, 0) 72%
    ),
    radial-gradient(
      24rem 20rem at calc(var(--glow-x) + 8%) calc(var(--glow-y) - 10%),
      rgba(255, 255, 255, calc(0.08 * var(--glow-strength))) 0%,
      rgba(255, 255, 255, 0) 62%
    );
  mix-blend-mode: screen;
  filter: blur(18px);
  transition: opacity 1200ms ease, transform 1600ms ease;
  will-change: opacity, transform;
  transform: scale(1.03);
}

body.stage-ready .ambient-light {
  opacity: 0.62;
}

body.video-live .ambient-light {
  transform: scale(1);
}

.vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 45%, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.74) 94%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.22), rgba(0, 0, 0, 0.58));
  opacity: 0;
  transition: opacity 900ms ease;
  will-change: opacity;
}

body.video-live .vignette {
  opacity: 1;
}

.grain {
  position: absolute;
  inset: -120%;
  pointer-events: none;
  background-image:
    repeating-radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 3px),
    repeating-radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 4px);
  opacity: 0.038;
  mix-blend-mode: soft-light;
  contain: paint;
}

.intro-title {
  position: absolute;
  top: var(--hero-top-desktop);
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(90vw, 62rem);
  text-align: center;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  animation: intro-reveal 780ms cubic-bezier(0.2, 0.72, 0.2, 1) 320ms forwards;
}

@keyframes intro-reveal {
  0% {
    opacity: 0;
    transform: translate(-50%, -46%);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

.intro-title h1 {
  margin: 0;
  color: #fff;
  font-family: "Cakra", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(2rem, 7.3vw, 5.7rem);
  letter-spacing: 0.05em;
  line-height: 0.96;
}

.intro-title p {
  margin: 0.82rem 0 0;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.6vw, 2rem);
  letter-spacing: 0.07em;
}

.intro-title .city {
  margin-top: 0.34rem;
  font-size: clamp(0.8rem, 1.1vw, 1rem);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.current-note {
  position: absolute;
  left: 50%;
  top: min(62.5vh, 63%);
  transform: translate(-50%, -50%);
  z-index: 3;
  margin: 0;
  text-align: center;
  color: var(--muted);
  font-size: clamp(0.8rem, 1vw, 0.93rem);
  letter-spacing: 0.09em;
  text-transform: lowercase;
  white-space: nowrap;
}

.current-note a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}

.current-note a:hover,
.current-note a:focus-visible {
  color: #fff;
  border-color: var(--line-soft);
}

.current-note-break {
  display: block;
  line-height: 0;
}

.current-note-sub {
  position: relative;
  display: block;
  margin-top: 0.28rem;
  height: 1.1em;
  color: rgba(244, 246, 251, 0.62);
  font-size: 0.82em;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  pointer-events: none;
}

.current-note-sub-static {
  margin-top: 0.28rem;
  color: rgba(244, 246, 251, 0.62);
  font-size: 0.82em;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  pointer-events: none;
}

.breath-phase {
  position: absolute;
  inset: 0;
  opacity: 0;
  will-change: opacity, filter;
}

.breath-in {
  animation: breath-in 6.4s cubic-bezier(0.42, 0, 0.2, 1) infinite;
}

.breath-out {
  animation: breath-out 6.4s cubic-bezier(0.42, 0, 0.2, 1) infinite;
}

@keyframes breath-in {
  0%,
  10% {
    opacity: 0;
    filter: blur(0.8px);
  }
  22%,
  47% {
    opacity: 1;
    filter: blur(0);
  }
  58%,
  100% {
    opacity: 0;
    filter: blur(0.8px);
  }
}

@keyframes breath-out {
  0%,
  50% {
    opacity: 0;
    filter: blur(0.8px);
  }
  64%,
  88% {
    opacity: 1;
    filter: blur(0);
  }
  96%,
  100% {
    opacity: 0;
    filter: blur(0.8px);
  }
}

.links {
  position: absolute;
  left: 50%;
  top: min(77vh, var(--links-top-desktop));
  transform: translate(-50%, -50%);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.52rem;
  color: var(--muted);
  font-size: clamp(0.78rem, 1.2vw, 0.95rem);
  letter-spacing: 0.08em;
  text-transform: lowercase;
  contain: layout paint;
}

.links span {
  color: rgba(244, 246, 251, 0.42);
  user-select: none;
}

.links a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 0.06rem;
  transition: border-color 160ms ease, color 160ms ease;
  touch-action: manipulation;
}

.links a:hover,
.links a:focus-visible {
  color: #fff;
  border-color: var(--line-soft);
}

.key-hint {
  color: rgba(244, 246, 251, 0.62);
  font-size: 0.88em;
  letter-spacing: 0.06em;
}

.timecode {
  position: absolute;
  left: clamp(0.85rem, 2.2vw, 1.7rem);
  bottom: calc(var(--timecode-bottom-desktop) + env(safe-area-inset-bottom));
  z-index: 3;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: clamp(0.7rem, 0.92vw, 0.85rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

.sound-toggle {
  position: absolute;
  right: clamp(0.85rem, 2.2vw, 1.7rem);
  bottom: calc(var(--sound-bottom-desktop) + env(safe-area-inset-bottom));
  z-index: 3;
  appearance: none;
  border: 1px solid rgba(244, 246, 251, 0.42);
  border-radius: 999px;
  padding: 0.36rem 0.8rem;
  min-width: 6.8rem;
  background: rgba(0, 0, 0, 0.4);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  text-transform: lowercase;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease;
  touch-action: manipulation;
}

.sound-toggle:hover,
.sound-toggle:focus-visible,
.sound-toggle[aria-pressed="true"] {
  border-color: rgba(244, 246, 251, 0.8);
  background: rgba(19, 23, 30, 0.64);
}

.status {
  position: absolute;
  left: 50%;
  bottom: calc(1.95rem + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 3;
  margin: 0;
  max-width: min(90vw, 40rem);
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.copyright {
  position: absolute;
  top: calc(0.8rem + env(safe-area-inset-top));
  right: clamp(0.8rem, 2vw, 1.4rem);
  z-index: 3;
  margin: 0;
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  pointer-events: none;
}

.edition-stamp {
  position: absolute;
  top: calc(0.8rem + env(safe-area-inset-top));
  left: clamp(0.8rem, 2vw, 1.4rem);
  z-index: 3;
  margin: 0;
  color: rgba(244, 246, 251, 0.84);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  pointer-events: none;
}

@media (max-width: 768px) {
  html,
  body {
    height: 100svh;
  }

  .film-stage {
    height: 100svh;
    min-height: 100svh;
    touch-action: manipulation;
  }

  .ambient-light {
    inset: -22%;
    opacity: 0.54;
    filter: blur(20px);
  }

  .intro-title {
    top: var(--hero-top-mobile);
    width: calc(100% - 1.2rem);
  }

  .intro-title h1 {
    font-size: clamp(1.62rem, 9.1vw, 3.2rem);
    letter-spacing: 0.026em;
  }

  .intro-title p {
    margin-top: 0.54rem;
    font-size: 0.95rem;
  }

  .intro-title .city {
    margin-top: 0.24rem;
    font-size: 0.76rem;
  }

  .links {
    top: min(78.2vh, var(--links-top-mobile));
    width: calc(100% - 1.5rem - env(safe-area-inset-left) - env(safe-area-inset-right));
    gap: 0.48rem;
    font-size: 0.86rem;
  }

  .current-note {
    top: var(--note-top-mobile);
    font-size: 0.82rem;
    letter-spacing: 0.07em;
  }

  .status {
    bottom: calc(4.45rem + env(safe-area-inset-bottom));
    font-size: 0.72rem;
  }

  .copyright {
    top: calc(0.62rem + env(safe-area-inset-top));
    right: calc(0.68rem + env(safe-area-inset-right));
    font-size: 0.56rem;
    letter-spacing: 0.07em;
  }

  .edition-stamp {
    top: calc(0.62rem + env(safe-area-inset-top));
    left: calc(0.68rem + env(safe-area-inset-left));
    font-size: 0.56rem;
    letter-spacing: 0.09em;
  }

  .sound-toggle {
    right: calc(0.68rem + env(safe-area-inset-right));
    bottom: calc(var(--sound-bottom-desktop) + env(safe-area-inset-bottom));
  }

  .timecode {
    left: calc(0.68rem + env(safe-area-inset-left));
    bottom: calc(var(--timecode-bottom-desktop) + env(safe-area-inset-bottom));
    font-size: 0.7rem;
  }
}

@media (max-width: 420px) {
  .intro-title {
    width: calc(100% - 0.7rem);
  }

  .intro-title h1 {
    font-size: clamp(1.38rem, 8.3vw, 2.1rem);
    letter-spacing: 0.014em;
  }

  .intro-title p {
    font-size: 0.9rem;
  }

  .current-note {
    top: 64.9vh;
    font-size: 0.74rem;
    letter-spacing: 0.06em;
  }

  .copyright {
    font-size: 0.52rem;
    letter-spacing: 0.06em;
  }

  .edition-stamp {
    font-size: 0.5rem;
    letter-spacing: 0.08em;
  }

}

@media (prefers-reduced-motion: reduce) {
  .ambient-light,
  .scene-video,
  .film-stage::after,
  .vignette,
  .sound-toggle,
  .current-note a,
  .links a {
    transition: none;
  }

  .current-note-sub {
    display: none;
  }

  .current-note-sub-static {
    display: block !important;
  }
}