/* ============================================================
   OVERDRIVE — cinematic enhancement layer
   Progressive: everything gracefully degrades if JS is off
   or prefers-reduced-motion is set.
   ============================================================ */

/* ── Cursor-reactive glow ──────────────────────────────────── */
.od-glow {
  position: fixed;
  inset: -30%;
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.2s ease;
  background: radial-gradient(
    35% 35% at var(--gx, 50%) var(--gy, 50%),
    oklch(0.30 0.09 50 / 0.6) 0%,
    transparent 70%
  );
  will-change: opacity;
}
.od-glow.is-visible { opacity: 1; }

/* ── Film grain ────────────────────────────────────────────── */
.od-grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  mix-blend-mode: overlay;
  image-rendering: pixelated;
}

/* ── Magnetic buttons ──────────────────────────────────────── */
.od-magnetic {
  transition: transform 0.45s cubic-bezier(0.23, 1, 0.32, 1),
              background-color 0.25s var(--ease);
  will-change: transform;
}
.od-magnetic__inner {
  display: inline-flex;
  align-items: center;
  gap: inherit;
  transition: transform 0.45s cubic-bezier(0.23, 1, 0.32, 1);
  will-change: transform;
}

/* ── Tilt cards ────────────────────────────────────────────── */
.od-tilt {
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  will-change: transform;
  transform-style: preserve-3d;
}

/* ── Rule line animation ───────────────────────────────────── */
.rule__tick {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.rule__tick::after {
  opacity: 0;
  transition: opacity 0.4s ease 1s;
}
.od-rule-in .rule__tick {
  transform: scaleX(1);
}
.od-rule-in .rule__tick::after {
  opacity: 1;
}

/* section number slides in */
.rule__no {
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.5s ease, transform 0.5s var(--ease);
}
.od-rule-in .rule__no {
  opacity: 1;
  transform: none;
  transition-delay: 0.15s;
}

/* section label fades in after */
.rule__lbl {
  opacity: 0;
  transition: opacity 0.6s ease;
}
.od-rule-in .rule__lbl {
  opacity: 1;
  transition-delay: 0.4s;
}

/* ── Staggered ledger rows ─────────────────────────────────── */
.od-stagger {
  opacity: 0;
  transform: translateY(12px) translateX(-6px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.od-stagger-in {
  opacity: 1;
  transform: none;
}
/* cascade delay per row */
.od-stagger:nth-child(1)  { transition-delay: 0.00s; }
.od-stagger:nth-child(2)  { transition-delay: 0.04s; }
.od-stagger:nth-child(3)  { transition-delay: 0.08s; }
.od-stagger:nth-child(4)  { transition-delay: 0.12s; }
.od-stagger:nth-child(5)  { transition-delay: 0.16s; }
.od-stagger:nth-child(6)  { transition-delay: 0.20s; }
.od-stagger:nth-child(7)  { transition-delay: 0.24s; }
.od-stagger:nth-child(8)  { transition-delay: 0.28s; }
.od-stagger:nth-child(9)  { transition-delay: 0.32s; }
.od-stagger:nth-child(10) { transition-delay: 0.36s; }
.od-stagger:nth-child(11) { transition-delay: 0.40s; }
.od-stagger:nth-child(12) { transition-delay: 0.44s; }
.od-stagger:nth-child(13) { transition-delay: 0.48s; }
.od-stagger:nth-child(14) { transition-delay: 0.52s; }

/* ── Reduced motion: kill everything ───────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .od-glow,
  .od-grain { display: none; }
  .od-stagger { opacity: 1; transform: none; }
  .rule__tick { transform: scaleX(1); }
  .rule__no, .rule__lbl { opacity: 1; transform: none; }
}