/* ScrollFilm base — structural styles shared by all sites.
   Each site sets: --bg, --ink, --accent, --serif, --sans (in its own styles.css) */

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans, "Helvetica Neue", Arial, sans-serif);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.locked { overflow: hidden; height: 100vh; }
img, canvas, video { display: block; }

/* ---------- loader ---------- */
#loader {
  position: fixed; inset: 0; z-index: 100;
  background: var(--bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1.2rem; transition: opacity 0.9s ease 0.15s, visibility 0.9s;
}
#loader.done { opacity: 0; visibility: hidden; pointer-events: none; }
#loader-track { width: min(38vw, 320px); height: 1px; background: color-mix(in srgb, var(--ink) 15%, transparent); }
#loader-bar {
  width: 100%; height: 100%; background: var(--accent);
  transform: scaleX(0); transform-origin: left center; transition: transform 0.2s ease;
}
#loader-pct {
  font-size: 0.65rem; letter-spacing: 0.35em; color: var(--accent);
  font-family: var(--sans);
}

/* ---------- scrub chapters ---------- */
.chapter { position: relative; }
.chapter .pin { position: sticky; top: 0; height: 100vh; overflow: hidden; }
.chapter canvas, .fallback-video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.chapter .overlay { position: absolute; inset: 0; z-index: 2; pointer-events: none; }

/* ---------- type ---------- */
.display {
  font-family: var(--serif);
  font-weight: 500; line-height: 0.95;
  font-size: clamp(4rem, 14vw, 12rem);
}
.overline {
  font-size: 0.62rem; letter-spacing: 0.45em; text-transform: uppercase;
  color: var(--accent);
}
.small { font-size: 0.7rem; letter-spacing: 0.2em; opacity: 0.55; }

/* hero overlay layout */
.hero-copy {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 1.4rem; text-align: center;
}
body.ready .hero-copy .display { animation: heroIn 2.2s cubic-bezier(.16,1,.3,1) both 0.3s; }
body.ready .hero-copy .overline { animation: fadeIn 2s ease both 1s; }
@keyframes heroIn { from { opacity: 0; letter-spacing: 0.35em; } to { opacity: 1; letter-spacing: 0.02em; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.scroll-cue {
  position: absolute; bottom: 3rem; left: 50%; transform: translateX(-50%);
  font-size: 0.6rem; letter-spacing: 0.4em; text-transform: uppercase; opacity: 0.4;
}

/* ---------- callouts ---------- */
.callout {
  position: absolute; max-width: 220px;
  opacity: 0; transform: translateY(12px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.callout.visible { opacity: 1; transform: none; }
.callout .line {
  display: block; width: 56px; height: 1px; background: var(--accent);
  margin-bottom: 0.7rem; opacity: 0.7;
}
.callout strong {
  display: block; font-family: var(--serif); font-size: 1.05rem;
  font-weight: 500; letter-spacing: 0.06em; margin-bottom: 0.25rem;
}
.callout span { font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase; opacity: 0.6; }

/* center chapter line (e.g. "Every part, remembered.") */
.chapter-line {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 0 8vw;
  font-family: var(--serif); font-size: clamp(1.6rem, 4vw, 3rem); font-weight: 500;
  opacity: 0; transform: translateY(16px);
  transition: opacity 1s ease, transform 1s ease;
}
.chapter-line.visible { opacity: 1; transform: none; }

/* ---------- flat sections ---------- */
.section { position: relative; padding: 22vh 8vw; }
.section-inner { max-width: 1100px; margin: 0 auto; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity 1.1s ease, transform 1.1s ease; }
.reveal.visible { opacity: 1; transform: none; }

.manifesto p {
  font-family: var(--serif); font-size: clamp(1.5rem, 3.2vw, 2.6rem);
  line-height: 1.35; font-weight: 400; max-width: 26ch; margin: 0 auto 2.2rem;
  text-align: center;
}

/* specs */
.specs { display: grid; grid-template-columns: 1fr 1fr; gap: 0; max-width: 860px; margin: 4rem auto 0; }
.spec {
  padding: 1.6rem 0.4rem; border-top: 1px solid color-mix(in srgb, var(--ink) 14%, transparent);
  display: flex; justify-content: space-between; align-items: baseline; gap: 2rem;
}
.spec:nth-child(odd) { margin-right: 3rem; }
.spec:nth-child(even) { margin-left: 3rem; }
.spec dt { font-size: 0.62rem; letter-spacing: 0.3em; text-transform: uppercase; opacity: 0.5; }
.spec dd { font-family: var(--serif); font-size: 1.05rem; text-align: right; }

.section-title {
  font-family: var(--serif); font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 500;
  text-align: center;
}

/* CTA */
.cta { text-align: center; padding-bottom: 28vh; }
.cta form {
  margin: 3.4rem auto 1.4rem; max-width: 460px; display: flex; gap: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 30%, transparent);
}
.cta input {
  flex: 1; background: none; border: 0; outline: 0; color: var(--ink);
  font-family: var(--sans); font-size: 0.85rem; letter-spacing: 0.08em; padding: 0.9rem 0.2rem;
}
.cta input::placeholder { color: color-mix(in srgb, var(--ink) 35%, transparent); }
.cta button {
  background: none; border: 0; color: var(--accent); cursor: pointer;
  font-size: 0.62rem; letter-spacing: 0.35em; text-transform: uppercase; padding: 0 0.4rem;
}
.cta .small { display: block; margin-top: 1.6rem; }

footer { padding: 3rem 8vw 4rem; display: flex; justify-content: space-between; }
footer span { font-size: 0.58rem; letter-spacing: 0.3em; text-transform: uppercase; opacity: 0.35; }

/* ---------- mobile / fallback ---------- */
@media (max-width: 767px) {
  .callout { max-width: 160px; }
  .specs { grid-template-columns: 1fr; }
  .spec:nth-child(odd), .spec:nth-child(even) { margin: 0; }
  .display { font-size: clamp(3rem, 18vw, 6rem); }
}
.no-scrub .chapter { height: 100vh !important; }
.no-scrub .callout { position: static; margin: 1rem 6vw; }