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

html,
body {
  width: 100%;
  min-height: 100%;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  overflow: hidden;
}

.version-marker {
  position: fixed;
  right: 14px;
  bottom: 12px;
  z-index: 100;
  font-family: var(--font-sans);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: rgba(245,243,238,0.18);
  pointer-events: none;
}

/* =========================
   Visible Atmospheric Layer
========================= */

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 42%, rgba(245,243,238,0.10), transparent 24%),
    radial-gradient(circle at 32% 62%, rgba(120,105,90,0.08), transparent 34%),
    linear-gradient(180deg, #100f0d 0%, #090807 48%, #020202 100%);
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(24px);
  mix-blend-mode: screen;
}

.glow-one {
  top: 47%;
  left: 50%;
  width: 54vw;
  height: 54vw;
  min-width: 460px;
  min-height: 460px;
  background: radial-gradient(circle, rgba(245,243,238,0.18), transparent 64%);
  animation: glowDriftOne 13s ease-in-out infinite;
}

.glow-two {
  top: 60%;
  left: 42%;
  width: 38vw;
  height: 38vw;
  min-width: 300px;
  min-height: 300px;
  background: radial-gradient(circle, rgba(160,140,115,0.16), transparent 70%);
  animation: glowDriftTwo 18s ease-in-out infinite;
}

.vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at center, transparent 22%, rgba(0,0,0,0.42) 58%, rgba(0,0,0,0.92) 100%);
}

.grain-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
  mix-blend-mode: overlay;
}

.visible-texture {
  position: absolute;
  inset: -12%;
  opacity: 0.18;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 4px);
  background-size: 5px 5px, 7px 7px;
  mix-blend-mode: soft-light;
  animation: textureMove 9s ease-in-out infinite;
}

.film-scratches {
  position: absolute;
  inset: -20%;
  opacity: 0.22;
  background-image:
    linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.15) 0.35%, transparent 0.8%),
    linear-gradient(90deg, transparent 31%, rgba(255,255,255,0.11) 31.25%, transparent 31.7%),
    linear-gradient(90deg, transparent 73%, rgba(255,255,255,0.10) 73.15%, transparent 73.45%);
  background-size: 340px 100%, 510px 100%, 760px 100%;
  animation: scratchDrift 14s ease-in-out infinite alternate;
}

/* =========================
   Prelude Layout
========================= */

.prelude {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100svh;
  min-height: 620px;
  display: grid;
  place-items: center;
  padding: var(--space-lg);
}

.prelude-content {
  width: min(92vw, 920px);
  text-align: center;
  animation: quietDrift 14s ease-in-out infinite;
}

.site-title {
  font-family: var(--font-serif);
  font-size: var(--title-size);
  font-weight: 300;
  line-height: 0.82;
  letter-spacing: var(--title-tracking);
  text-transform: uppercase;
  text-shadow:
    0 0 34px rgba(245,243,238,0.14),
    0 0 80px rgba(245,243,238,0.08);
}

.site-title span {
  display: block;
}

.discipline-group {
  margin-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.72rem;
}

.discipline-group p {
  font-size: var(--discipline-size);
  font-weight: 300;
  letter-spacing: var(--small-tracking);
  text-transform: uppercase;
  color: var(--color-muted);
}

.archive-statement {
  margin-top: var(--space-xl);
  font-family: var(--font-serif);
  font-size: var(--statement-size);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.reveal {
  opacity: 0;
  filter: blur(14px);
  transform: translateY(16px);
  transition:
    opacity var(--intro-duration) var(--ease-soft),
    filter var(--intro-duration) var(--ease-soft),
    transform var(--intro-duration) var(--ease-soft);
}

.reveal.is-visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .reveal {
    opacity: 1;
    filter: none;
    transform: none;
  }
}

@media (max-width: 720px) {
  :root {
    --title-size: clamp(3.35rem, 17vw, 5.75rem);
    --title-tracking: 0.13em;
    --small-tracking: 0.2em;
  }

  .prelude {
    padding: 2rem;
    min-height: 560px;
  }

  .discipline-group,
  .archive-statement {
    margin-top: 4rem;
  }

  .version-marker {
    display: none;
  }
}