@font-face {
  font-family: "Bodoni Moda";
  src: url("assets/fonts/BodoniModa-SemiBold.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

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

@font-face {
  font-family: "Manrope";
  src: url("assets/fonts/Manrope-Medium.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --kiln: #080604;
  --black: #030303;
  --white: #fff;
  --ash: #77716a;
  --ember: #b84b2b;
  --copper: #d69a55;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --safe-top: max(18px, env(safe-area-inset-top));
  --safe-right: max(18px, env(safe-area-inset-right));
  --safe-bottom: max(18px, env(safe-area-inset-bottom));
  --safe-left: max(18px, env(safe-area-inset-left));
}

* { box-sizing: border-box; }

html {
  background: var(--black);
  color: var(--white);
  scrollbar-width: none;
}

html::-webkit-scrollbar { display: none; }

body {
  margin: 0;
  min-width: 280px;
  overflow-x: hidden;
  background: var(--black);
  color: var(--white);
  font-family: "Manrope", sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overscroll-behavior-x: none;
}

button, a { color: inherit; }

a { text-decoration: none; }

.film {
  position: relative;
  height: 500vh;
  height: 500lvh;
  background: var(--black);
}

.stage {
  position: fixed;
  z-index: 1;
  top: 0;
  left: 50%;
  width: min(100vw, 480px);
  height: 100vh;
  height: 100lvh;
  min-height: 520px;
  margin: 0;
  overflow: hidden;
  isolation: isolate;
  transform: translateX(-50%);
  background: var(--kiln);
  box-shadow: 0 0 0 1px rgba(255,255,255,.035), 0 0 80px rgba(0,0,0,.55);
}

.poster,
#filmCanvas,
#ambientCanvas,
.grain,
.edge-vignette {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.poster {
  z-index: 0;
  display: block;
  object-fit: cover;
  object-position: 50% 50%;
  transition: opacity .7s var(--ease-out);
}

.poster--final {
  opacity: 0;
}

#filmCanvas {
  z-index: 1;
  display: block;
  opacity: 0;
  transition: opacity .65s var(--ease-out);
}

body.film-ready #filmCanvas { opacity: 1; }
body.film-ready .poster--opening { opacity: 0; }

#ambientCanvas {
  z-index: 2;
  pointer-events: none;
}

.grain {
  z-index: 3;
  pointer-events: none;
  opacity: .08;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.72'/%3E%3C/svg%3E");
  background-size: 170px 170px;
}

.edge-vignette {
  z-index: 4;
  pointer-events: none;
  background:
    linear-gradient(to bottom, rgba(4,3,2,.66) 0%, transparent 19%, transparent 73%, rgba(3,2,1,.35) 100%),
    radial-gradient(ellipse at center, transparent 48%, rgba(2,1,0,.24) 100%);
}

.site-header {
  position: absolute;
  z-index: 10;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: calc(var(--safe-top) + 4px) var(--safe-right) 12px var(--safe-left);
  color: var(--white);
  text-shadow: 0 1px 22px rgba(0,0,0,.65);
  transition: color .3s ease;
}

.site-header::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0 0 auto;
  height: 170%;
  background: linear-gradient(to bottom, rgba(5,3,2,.72), rgba(5,3,2,0));
}

.site-header.is-dark {
  color: #0a0806;
  text-shadow: 0 1px 18px rgba(255,255,255,.24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: .22em;
}

.brand-mark {
  width: 22px;
  height: 22px;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.15;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 1px 10px rgba(0,0,0,.5));
}

.brand-mark circle { fill: currentColor; stroke: none; }

.header-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 8px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: .14em;
}

.header-meta > span:first-child { opacity: .56; }
.chapter-count { min-width: 35px; text-align: right; }

.overlay {
  position: absolute;
  z-index: 7;
  pointer-events: none;
  will-change: transform, opacity;
}

.intro {
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 var(--safe-right) 7svh var(--safe-left);
  text-align: center;
  text-shadow: 0 2px 36px rgba(0,0,0,.72);
}

.eyebrow,
.chapter-index,
.chapter-note,
.intro-line,
.final-meta {
  margin: 0;
  font-size: 8px;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.intro .eyebrow {
  margin-bottom: 16px;
  opacity: .64;
}

.intro h1 {
  display: flex;
  justify-content: center;
  gap: .01em;
  margin: 0;
  font-family: "Bodoni Moda", serif;
  font-size: clamp(82px, 27vw, 126px);
  font-weight: 600;
  line-height: .8;
  letter-spacing: -.07em;
}

.intro h1 span {
  display: block;
  transform-origin: 50% 100%;
}

.intro-line {
  margin-top: 21px;
  opacity: .72;
}

.chapter {
  left: var(--safe-left);
  bottom: calc(var(--safe-bottom) + 55px);
  min-width: min(72vw, 310px);
  padding: 32px 22px 30px 0;
  opacity: 0;
  text-shadow: 0 1px 22px rgba(0,0,0,.72);
}

.chapter::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -55% -18% -52% -16%;
  background: radial-gradient(58% 55% at 20% 52%, rgba(4,2,1,.68), rgba(4,2,1,.32) 47%, transparent 78%);
}

.chapter-index { margin-bottom: 9px; opacity: .58; }

.chapter h2 {
  margin: 0;
  font-family: "Bodoni Moda", serif;
  font-size: clamp(58px, 19vw, 88px);
  font-weight: 600;
  line-height: .82;
  letter-spacing: -.055em;
}

.chapter-note {
  margin-top: 13px;
  color: var(--copper);
}

.final-lockup {
  inset: calc(var(--safe-top) + 73px) var(--safe-right) auto var(--safe-left);
  color: var(--white);
  opacity: 0;
  text-shadow: 0 1px 26px rgba(0,0,0,.72);
}

.final-lockup .eyebrow {
  margin-bottom: 16px;
  opacity: .66;
}

.final-lockup h2 {
  margin: 0;
  max-width: 96%;
  font-family: "Bodoni Moda", serif;
  font-size: clamp(56px, 18vw, 84px);
  font-weight: 600;
  line-height: .78;
  letter-spacing: -.052em;
}

.final-lockup h2 em {
  color: var(--copper);
  font-style: italic;
}

.final-rule {
  width: 100%;
  height: 1px;
  margin: 25px 0 12px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: rgba(255,255,255,.34);
}

.final-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 7px;
  opacity: .58;
}

.progress-rail {
  position: absolute;
  z-index: 9;
  top: 50%;
  right: max(9px, env(safe-area-inset-right));
  width: 1px;
  height: 24svh;
  min-height: 120px;
  overflow: hidden;
  transform: translateY(-50%);
  background: rgba(255,255,255,.17);
}

.progress-fill {
  position: absolute;
  inset: 0;
  transform: scaleY(0);
  transform-origin: 50% 0;
  background: var(--copper);
  will-change: transform;
}

.scroll-cue {
  position: absolute;
  z-index: 8;
  left: 50%;
  bottom: calc(var(--safe-bottom) + 3px);
  width: 22px;
  height: 34px;
  transform: translateX(-50%);
  opacity: .76;
}

.scroll-cue::before,
.scroll-cue::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 1px;
  background: rgba(255,255,255,.72);
}

.scroll-cue::before { top: 0; height: 25px; }
.scroll-cue::after {
  bottom: 7px;
  width: 7px;
  height: 7px;
  border-right: 1px solid rgba(255,255,255,.72);
  border-bottom: 1px solid rgba(255,255,255,.72);
  transform: translateX(-50%) rotate(45deg);
  background: transparent;
}

.scroll-cue span {
  position: absolute;
  top: 0;
  left: calc(50% - 1px);
  width: 3px;
  height: 7px;
  border-radius: 99px;
  background: var(--copper);
  animation: cue 1.8s var(--ease-out) infinite;
}

@keyframes cue {
  0% { transform: translateY(0); opacity: 0; }
  22% { opacity: 1; }
  78% { opacity: 1; }
  100% { transform: translateY(18px); opacity: 0; }
}

.loader {
  position: absolute;
  z-index: 20;
  left: var(--safe-left);
  right: var(--safe-right);
  bottom: calc(var(--safe-bottom) + 14px);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 9px 12px;
  align-items: end;
  padding: 14px 0;
  font-size: 7px;
  font-weight: 500;
  letter-spacing: .18em;
  transition: opacity .6s ease, visibility .6s ease;
}

.loader.is-done { opacity: 0; visibility: hidden; }
.loader-value { color: var(--copper); }
.loader-line {
  position: relative;
  grid-column: 1 / -1;
  display: block;
  height: 1px;
  overflow: hidden;
  background: rgba(255,255,255,.18);
}
.loader-line i {
  position: absolute;
  inset: 0;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: var(--copper);
  transition: transform .28s ease;
}

.fallback-copy { display: none; }

@media (min-width: 769px) {
  body {
    background:
      radial-gradient(circle at 50% 40%, rgba(108,55,27,.1), transparent 32%),
      #020202;
  }

  .stage::after {
    content: "MOBILE FILM STUDY";
    position: fixed;
    top: 50%;
    left: calc(50% + 282px);
    color: rgba(255,255,255,.26);
    font-size: 7px;
    font-weight: 500;
    letter-spacing: .22em;
    white-space: nowrap;
    transform: rotate(90deg) translateY(-50%);
    transform-origin: 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .film { height: 100vh; height: 100lvh; }
  #filmCanvas,
  #ambientCanvas,
  .poster--opening,
  .chapter,
  .intro,
  .scroll-cue,
  .progress-rail,
  .loader { display: none !important; }
  .poster--final { opacity: 1; }
  .final-lockup { opacity: 1 !important; transform: none !important; }
  .final-rule { transform: scaleX(1); }
  .fallback-copy { display: none; }
  * { animation: none !important; transition: none !important; }
}

body.data-saver .film { height: 100vh; height: 100lvh; }
body.data-saver #filmCanvas,
body.data-saver #ambientCanvas,
body.data-saver .poster--opening,
body.data-saver .chapter,
body.data-saver .intro,
body.data-saver .scroll-cue,
body.data-saver .progress-rail,
body.data-saver .loader { display: none !important; }
body.data-saver .poster--final { opacity: 1; }
body.data-saver .final-lockup { opacity: 1 !important; transform: none !important; }
body.data-saver .final-rule { transform: scaleX(1); }