/* GR86 · TRACK bRED — camera-report cinema */

:root {
  --ink: #0a0a0c;
  --ink-2: #101014;
  --paper: #e6e4df;
  --paper-dim: #9a9892;
  --red: #b3202a;
  --red-hot: #e03a45;
  --hairline: rgba(230, 228, 223, 0.14);
  --disp: "Michroma", "Eurostile", sans-serif;
  --body: "Newsreader", Georgia, serif;
  --jp: "Noto Sans JP", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  font-weight: 300;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--red); color: var(--paper); }

/* ---------------------------------------------------------------- loader */
.loader {
  position: fixed; inset: 0; z-index: 100;
  background: var(--ink);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 22px;
  transition: opacity .7s ease, visibility .7s;
}
.loader.done { opacity: 0; visibility: hidden; }
.loader-mark {
  font-family: var(--disp); font-size: 34px; letter-spacing: .12em;
}
.loader-mark span { color: var(--red); }
.loader-track {
  width: min(320px, 60vw); height: 1px; background: var(--hairline);
}
.loader-fill {
  height: 100%; width: 0%; background: var(--red);
  transition: width .25s ease;
}
.loader-label {
  font-family: var(--jp); font-weight: 200; font-size: 11px;
  letter-spacing: .35em; color: var(--paper-dim);
}
.loader-label span { font-family: var(--disp); font-size: 10px; }

/* ----------------------------------------------------------------- grain */
.grain {
  position: fixed; inset: -50%; z-index: 90; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: .05;
  animation: grain-shift 1.2s steps(4) infinite;
}
@keyframes grain-shift {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-2%, 1%); }
  50% { transform: translate(1%, -2%); }
  75% { transform: translate(-1%, -1%); }
  100% { transform: translate(2%, 2%); }
}

/* -------------------------------------------------------------- masthead */
.masthead {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80;
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 22px 30px;
  font-family: var(--disp); font-size: 11px; letter-spacing: .22em;
  mix-blend-mode: difference;
}
.masthead-left em { font-style: normal; color: var(--red-hot); }
.masthead-right { display: flex; gap: 26px; }
.masthead-right a {
  color: inherit; text-decoration: none; font-size: 10px; letter-spacing: .28em;
  opacity: .75; transition: opacity .2s;
}
.masthead-right a:hover { opacity: 1; }

/* ------------------------------------------------------------------- hud */
.hud {
  position: fixed; left: 30px; bottom: 24px; z-index: 80;
  display: flex; gap: 18px;
  font-family: var(--disp); font-size: 9px; letter-spacing: .22em;
  color: var(--paper-dim);
  opacity: 0; transition: opacity .5s;
}
.hud.on { opacity: .85; }
.hud #hudFrame { color: var(--paper); }

/* ------------------------------------------------------------------ acts */
.film { position: relative; }
.act { position: relative; }
.act-sticky {
  position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden;
}
.act-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.act-veil {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(10,10,12,.55) 0%, transparent 22%, transparent 72%, rgba(10,10,12,.72) 100%);
}

[data-fade] { opacity: 0; will-change: opacity, transform; }

/* title block */
.title-block {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; pointer-events: none;
}
.over-title {
  font-family: var(--jp); font-weight: 200; font-size: 13px;
  letter-spacing: .55em; text-indent: .55em; color: var(--paper-dim);
  margin-bottom: 3vh;
}
.mega {
  font-family: var(--disp); font-weight: 400;
  font-size: clamp(84px, 17vw, 240px);
  line-height: .92; letter-spacing: .02em;
  text-shadow: 0 12px 60px rgba(0,0,0,.55);
}
.mega-accent { color: var(--red-hot); }
.under-title {
  font-family: var(--disp); font-size: 10px; letter-spacing: .34em;
  color: var(--paper-dim); margin-top: 3.4vh;
}
.scroll-cue {
  position: absolute; bottom: 5vh; left: 50%; transform: translateX(-50%);
  font-family: var(--disp); font-size: 9px; letter-spacing: .4em;
  color: var(--paper-dim);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.scroll-cue span {
  width: 1px; height: 44px; background: var(--hairline); position: relative; overflow: hidden;
}
.scroll-cue span::after {
  content: ""; position: absolute; left: 0; top: -50%;
  width: 100%; height: 50%; background: var(--red);
  animation: cue-drop 1.8s cubic-bezier(.6,0,.4,1) infinite;
}
@keyframes cue-drop { to { top: 110%; } }

/* vertical JP rail */
.jp-rail {
  position: absolute; top: 50%; right: 34px; transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: var(--jp); font-weight: 200; font-size: 15px;
  letter-spacing: .6em; color: var(--paper-dim);
  border-right: 1px solid var(--hairline); padding-right: 16px;
}
.jp-rail--left { right: auto; left: 34px; border-right: 0; border-left: 1px solid var(--hairline); padding: 0 0 0 16px; }

/* waypoints */
.waypoint {
  position: absolute; top: 50%; transform: translateY(-50%);
  max-width: 330px;
}
.wp-right { right: max(7vw, 56px); text-align: right; }
.wp-left  { left: max(7vw, 56px); }
.waypoint h3 {
  font-family: var(--disp); font-size: 11px; letter-spacing: .3em;
  color: var(--red-hot); margin-bottom: 14px;
  text-shadow: 0 1px 18px rgba(10,10,12,.9);
}
.waypoint p {
  font-size: 19px; line-height: 1.55; color: var(--paper);
  font-style: italic;
  text-shadow: 0 1px 6px rgba(10,10,12,.85), 0 2px 28px rgba(10,10,12,.7);
}
.spec-row { text-shadow: 0 1px 6px rgba(10,10,12,.85); }
.spec-row {
  display: flex; gap: 34px; margin-top: 26px;
}
.wp-right .spec-row { justify-content: flex-end; }
.spec-row dt {
  font-family: var(--disp); font-size: 26px; letter-spacing: .04em;
}
.spec-row dd {
  font-family: var(--disp); font-size: 8px; letter-spacing: .26em;
  color: var(--paper-dim); margin-top: 8px;
}

/* act headings */
.act-heading {
  position: absolute; top: 16vh; left: max(7vw, 56px);
}
.act-index {
  display: inline-block;
  font-family: var(--disp); font-size: 9px; letter-spacing: .4em;
  color: var(--red-hot);
  border: 1px solid rgba(224,58,69,.4); padding: 7px 12px 5px;
  margin-bottom: 20px;
}
.act-heading h2, .loop-copy h2, .turntable-head h2 {
  font-family: var(--disp); font-weight: 400;
  font-size: clamp(30px, 4.6vw, 62px); line-height: 1.06; letter-spacing: .02em;
}
.act-heading { text-shadow: 0 1px 8px rgba(10,10,12,.8); }

/* ----------------------------------------------------------- loop blocks */
.loop-block {
  position: relative; min-height: 92vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.loop-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
}
.loop-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,10,12,.86) 0%, rgba(10,10,12,.45) 46%, rgba(10,10,12,.08) 100%);
}
.loop-block--right .loop-scrim {
  background: linear-gradient(270deg, rgba(10,10,12,.86) 0%, rgba(10,10,12,.45) 46%, rgba(10,10,12,.08) 100%);
}
.loop-copy {
  position: relative; max-width: 430px;
  padding: 14vh max(7vw, 56px);
}
.loop-block--right { justify-content: flex-end; }
.loop-block--right .loop-copy { text-align: right; }
.loop-copy p {
  margin-top: 3vh; font-size: 19px; line-height: 1.6; font-style: italic;
  color: var(--paper);
}

/* ------------------------------------------------------------- turntable */
.turntable {
  position: relative;
  padding: 16vh 0 12vh;
  background:
    radial-gradient(120% 90% at 50% 108%, rgba(179,32,42,.14), transparent 55%),
    var(--ink-2);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.turntable-inner { max-width: 1180px; margin: 0 auto; padding: 0 30px; }
.turntable-head { text-align: center; }
.turntable-hint {
  font-family: var(--disp); font-size: 9px; letter-spacing: .34em;
  color: var(--paper-dim); margin-top: 2.4vh;
}
.turntable-stage {
  margin: 6vh auto 0; max-width: 980px; aspect-ratio: 16/9;
  cursor: grab; touch-action: pan-y;
}
.turntable-stage:active { cursor: grabbing; }
.turntable-stage canvas { width: 100%; height: 100%; display: block; }
.swatch-row {
  display: flex; justify-content: center; gap: 16px; margin-top: 4.5vh;
}
.swatch {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid rgba(230,228,223,.25);
  background: var(--sw, #888);
  cursor: pointer; position: relative;
  transition: transform .2s ease;
}
.swatch:hover { transform: translateY(-3px); }
.swatch[aria-checked="true"]::after {
  content: ""; position: absolute; inset: -7px;
  border: 1px solid var(--red-hot); border-radius: 50%;
}
.swatch-name {
  text-align: center; margin-top: 2.6vh;
  font-family: var(--disp); font-size: 12px; letter-spacing: .4em;
}

/* ----------------------------------------------------------------- outro */
.outro { min-height: 100vh; }
.loop-scrim--outro {
  background: linear-gradient(180deg, rgba(10,10,12,.35) 0%, transparent 45%, rgba(10,10,12,.9) 100%);
}
.outro-copy {
  position: relative; width: 100%; text-align: center;
  align-self: flex-end; padding-bottom: 12vh;
}
.mega--outro { font-size: clamp(64px, 12vw, 180px); }

/* ---------------------------------------------------------------- footer */
.site-footer {
  padding: 9vh 30px 7vh; text-align: center;
}
.footer-rule {
  width: 46px; height: 3px; background: var(--red);
  margin: 0 auto 5vh;
}
.footer-main {
  max-width: 620px; margin: 0 auto;
  font-size: 14px; line-height: 1.75; color: var(--paper-dim); font-style: italic;
}
.footer-sub {
  margin-top: 4vh; display: flex; justify-content: center; gap: 14px;
  font-family: var(--disp); font-size: 8px; letter-spacing: .3em;
  color: rgba(154,152,146,.6);
}

/* ---------------------------------------------------------------- mobile */
@media (max-width: 760px) {
  .masthead { padding: 18px 20px; }
  .masthead-right { display: none; }
  .hud { left: 20px; bottom: 18px; }
  .jp-rail { display: none; }
  .waypoint { max-width: 260px; }
  .wp-right { right: 20px; }
  .wp-left { left: 20px; }
  .waypoint p { font-size: 16px; }
  .act-heading { left: 20px; }
  .loop-copy { padding: 12vh 24px; }
  .spec-row { gap: 22px; }
  .spec-row dt { font-size: 21px; }
  .turntable-stage { aspect-ratio: 4/3; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .grain { animation: none; }
  .scroll-cue span::after { animation: none; }
}