:root {
  --ground: #14100c;
  --ground-2: #1d1610;
  --cream: #f4ece2;
  --gold: #fcdc00;
  --amber: #e6791a;
}

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

html { background: var(--ground); }

body {
  background: var(--ground);
  color: var(--cream);
  font-family: 'Archivo', system-ui, sans-serif;
  overflow-x: hidden;
}

body.locked { overflow: hidden; height: 100vh; }

/* ---------- Loader ---------- */
#loader {
  position: fixed; inset: 0; z-index: 60;
  background: #0a0805;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.9s ease, visibility 0.9s;
}
#loader.done { opacity: 0; visibility: hidden; }
.loader-inner { width: min(420px, 72vw); text-align: center; }
.loader-mark {
  font-family: 'Fraunces', serif; font-weight: 600; font-size: 28px;
  color: var(--cream); letter-spacing: 0.02em; margin-bottom: 28px;
}
.loader-bar {
  height: 2px; background: rgba(244, 236, 226, 0.12);
  border-radius: 1px; overflow: hidden;
}
.loader-fill {
  height: 100%; width: 0%;
  background: var(--gold);
  transition: width 0.25s ease;
}
.loader-pct {
  margin-top: 14px; font-size: 12px; letter-spacing: 0.35em;
  color: rgba(244, 236, 226, 0.55);
}

/* ---------- Canvas ---------- */
#scrub {
  position: fixed; inset: 0; z-index: 1;
  width: 100vw; height: 100vh; height: 100dvh;
  display: block;
}

/* ---------- Text layer ---------- */
#textLayer {
  position: fixed; inset: 0; z-index: 10;
  pointer-events: none;
}

#textLayer .hero {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 18px;
}
.overline {
  font-size: 13px; font-weight: 500; letter-spacing: 0.5em;
  color: var(--amber);
  text-indent: 0.5em; /* balance tracking */
  text-shadow: 0 1px 18px rgba(10, 8, 5, 0.9);
}
.wordmark {
  font-family: 'Fraunces', serif; font-weight: 700;
  font-size: clamp(56px, 9vw, 132px);
  color: var(--cream);
  letter-spacing: var(--wm-ls, 0.02em);
  line-height: 1;
  text-shadow: 0 0 60px rgba(230, 121, 26, 0.25);
}
#soundPrompt {
  pointer-events: auto;
  margin-top: 10px;
  background: rgba(20, 16, 12, 0.55);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: 'Archivo', sans-serif; font-size: 11px; font-weight: 600;
  letter-spacing: 0.35em; text-indent: 0.35em;
  padding: 13px 22px; border-radius: 999px;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, opacity 0.6s;
}
#soundPrompt:hover { background: var(--gold); color: var(--ground); }
#soundPrompt.armed { opacity: 0; pointer-events: none; }

.scroll-hint {
  position: absolute; bottom: 42px;
  font-size: 11px; letter-spacing: 0.45em; text-indent: 0.45em;
  color: rgba(244, 236, 226, 0.45);
  animation: hint 2.4s ease-in-out infinite;
}
@keyframes hint {
  0%, 100% { transform: translateY(0); opacity: 0.45; }
  50% { transform: translateY(8px); opacity: 0.9; }
}

.beat {
  position: absolute; inset: 0;
  display: flex; align-items: flex-end; justify-content: center;
  padding-bottom: 13vh;
  opacity: 0;
}
.beat p {
  font-family: 'Fraunces', serif; font-weight: 400; font-style: italic;
  font-size: clamp(26px, 3.4vw, 46px);
  color: var(--cream);
  text-align: center;
  max-width: 80vw;
  letter-spacing: var(--beat-ls, 0.02em);
  text-shadow: 0 2px 30px rgba(10, 8, 5, 0.8);
}

.ending {
  position: absolute; inset: auto 0 8vh 0;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  opacity: 0;
}
.ending-overline {
  font-size: 12px; font-weight: 500; letter-spacing: 0.45em; text-indent: 0.45em;
  color: var(--amber);
}
.ending-link {
  pointer-events: auto;
  color: rgba(244, 236, 226, 0.6);
  text-decoration: none;
  font-size: 13px; letter-spacing: 0.18em;
  border-bottom: 1px solid rgba(244, 236, 226, 0.25);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}
.ending-link:hover { color: var(--gold); border-color: var(--gold); }

/* ---------- Sound toggle ---------- */
#soundToggle {
  position: fixed; right: 22px; bottom: 22px; z-index: 40;
  background: none; border: 1px solid rgba(244, 236, 226, 0.25);
  color: rgba(244, 236, 226, 0.7);
  font-family: 'Archivo', sans-serif; font-size: 10px; letter-spacing: 0.3em;
  padding: 10px 14px 10px 17px; border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.3s, color 0.3s;
}
#soundToggle:hover { border-color: var(--gold); color: var(--gold); }
#soundToggle .st-on { display: none; }
#soundToggle.on .st-on { display: inline; }
#soundToggle.on .st-off { display: none; }

/* ---------- Runway ---------- */
#runway { position: relative; z-index: 0; pointer-events: none; }

/* ---------- Static / reduced-motion version ---------- */
#staticVersion { max-width: 900px; margin: 0 auto; padding: 8vh 24px 12vh; }
#staticVersion .sv-hero { text-align: center; margin-bottom: 48px; }
#staticVersion img { width: 100%; border-radius: 6px; margin: 32px 0; }
#staticVersion section p {
  font-family: 'Fraunces', serif; font-style: italic;
  font-size: 26px; margin: 34px 0; text-align: center;
}
#staticVersion .sv-lockup { font-style: normal; font-weight: 600; }
#staticVersion .ending-overline { font-family: 'Archivo'; font-style: normal; font-size: 12px; }
#staticVersion .ending-link { display: block; text-align: center; margin-top: 10px; }

@media (max-width: 720px) {
  .beat { padding-bottom: 16vh; }
  #soundToggle { right: 14px; bottom: 14px; }
}

/* ---------- Vignette ---------- */
#vignette {
  position: fixed; inset: 0; z-index: 5;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(8, 6, 4, 0.5) 100%);
}

/* ---------- Film grain ---------- */
@keyframes grain-jitter {
  0% { transform: translate(0, 0); }
  12.5% { transform: translate(1px, -1px); }
  25% { transform: translate(-1px, 1px); }
  37.5% { transform: translate(2px, -2px); }
  50% { transform: translate(-2px, 2px); }
  62.5% { transform: translate(1px, 1px); }
  75% { transform: translate(-1px, -1px); }
  87.5% { transform: translate(2px, 1px); }
  100% { transform: translate(0, 0); }
}

#grain {
  position: fixed; z-index: 6;
  pointer-events: none;
  width: 200%; height: 200%;
  top: -50%; left: -50%;
  opacity: 0.055;
  background-image: url('data:image/svg+xml,<svg width="180" height="180" xmlns="http://www.w3.org/2000/svg"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="4"/></filter><rect width="180" height="180" fill="white" filter="url(%23n)"/></svg>');
  background-size: 180px 180px;
  animation: grain-jitter 0.85s steps(8) infinite;
}

/* ---------- Chapter rail ---------- */
#rail {
  position: fixed; right: 24px; top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex; flex-direction: column;
  gap: 14px;
}

.rail-dot {
  width: 8px; height: 8px;
  background: transparent;
  border: 1px solid rgba(244, 236, 226, 0.35);
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s, transform 0.3s, border-color 0.3s;
}

.rail-dot:hover {
  border-color: var(--gold);
}

.rail-dot.on {
  background: var(--gold);
  border-color: var(--gold);
  transform: scale(1.35);
}

/* ---------- Selection and focus ---------- */
::selection {
  background: var(--gold);
  color: var(--ground);
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

@media (max-width: 720px) {
  #rail { display: none; }
}

/* ---------- Background streaming indicator ---------- */
#bgload {
  position: fixed; left: 22px; bottom: 26px; z-index: 40;
  font-size: 10px; letter-spacing: 0.35em; text-indent: 0.35em;
  color: rgba(230, 121, 26, 0.75);
  animation: bgpulse 1.6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes bgpulse {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.9; }
}

@media (prefers-reduced-motion: reduce) {
  #grain, .scroll-hint, #bgload { animation: none; }
}

/* ---------- Night & Day merge additions ---------- */
#skipRide {
  position: fixed; top: 24px; right: 24px; z-index: 40;
  color: rgba(244, 236, 226, 0.55);
  text-decoration: none;
  font-size: 10px; letter-spacing: 0.32em; text-indent: 0.32em;
  border: 1px solid rgba(244, 236, 226, 0.22);
  border-radius: 999px;
  padding: 9px 14px 9px 17px;
  transition: color 0.3s, border-color 0.3s, opacity 0.4s;
}
#skipRide:hover { color: var(--gold); border-color: var(--gold); }

#daylight {
  position: relative; z-index: 30;
  background: #F6F1E3;
}
.dawn {
  height: 20vh;
  background: linear-gradient(180deg,
    #0a0805 0%, #14100c 22%, #40200e 52%, #a1541a 74%, #e6a55a 88%, #F6F1E3 100%);
}

body.in-daylight #rail,
body.in-daylight #soundToggle,
body.in-daylight #skipRide,
body.in-daylight #bgload {
  opacity: 0; pointer-events: none;
  transition: opacity 0.5s ease;
}
@media (max-width: 720px) {
  #skipRide { top: 14px; right: 14px; }
}