:root {
  --hero-bg: #f1eee7;
  --hero-ink: #252723;
  --hero-muted: rgba(37, 39, 35, .64);
  --hero-glass: rgba(255, 255, 255, .72);
  --hero-border: rgba(46, 48, 44, .11);
  --hero-shadow: 0 26px 70px rgba(73, 68, 60, .16);
}

.hero-shell {
  --hero-density: .45;
  --hero-seat-glow: .13;
  --hero-light-fill: .72;
  --hero-light-key: .86;
  --hero-light-grazing: .62;
  --hero-light-contribution: .54;
  --hero-light-roughness: .48;
  --hero-light-reflectance: .72;
  --hero-light-shadow: .56;
  --hero-light-emissive: .08;
  --hero-light-dir-x: -.52;
  --hero-light-dir-y: .82;
  --hero-light-dir-z: .28;
  --hero-light-motion: 1;
  background:
    radial-gradient(circle at 61% 42%, rgba(255,255,255,calc(.64 + var(--hero-light-fill) * .35)) 0, rgba(250,248,243,.98) 28%, rgba(240,236,229,.98) 58%, rgba(226,221,211,.99) 100%),
    linear-gradient(115deg, rgba(255,255,255,calc(.32 + var(--hero-light-key) * .25)), rgba(221,215,205,.18));
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.7),
    inset 0 -80px 140px rgba(93,88,77,calc(.04 + var(--hero-light-shadow) * .08)),
    inset calc(var(--hero-light-dir-x) * -22px) calc(var(--hero-light-dir-y) * 8px) 36px rgba(255,255,255,calc(.04 + var(--hero-light-grazing) * .08));
}

.hero-shell::before {
  content: '';
  position: absolute;
  inset: 4% 10% 16% 32%;
  border-radius: 46% 54% 48% 52%;
  background:
    radial-gradient(circle at 52% 48%, rgba(255,255,255,calc(.38 + var(--hero-light-key) * .38)), rgba(255,255,255,.25) 38%, rgba(255,255,255,0) 71%),
    radial-gradient(circle at 52% 72%, rgba(145,133,111,calc(.03 + var(--hero-light-shadow) * .07)), rgba(145,133,111,0) 56%);
  filter: blur(calc(18px - var(--hero-light-grazing) * 7px));
  pointer-events: none;
}

.hero-shell::after {
  content: '';
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(73,69,63,calc(.045 + var(--hero-light-shadow) * .06));
  border-radius: 26px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.82),
    inset 0 0 0 1px rgba(255,255,255,.18),
    0 20px 80px rgba(70,66,58,calc(.02 + var(--hero-light-fill) * .05));
  pointer-events: none;
}

#hero-canvas {
  filter:
    saturate(calc(.88 + var(--hero-light-grazing) * .12))
    brightness(calc(.94 + var(--hero-light-key) * .10))
    contrast(calc(1 + var(--hero-light-shadow) * .025));
}

.hero-aura {
  position: absolute;
  pointer-events: none;
  z-index: 1;
  border-radius: 999px;
  mix-blend-mode: multiply;
  opacity: calc(.10 + var(--hero-light-fill) * .11);
  transition: inset 800ms cubic-bezier(.22,.8,.24,1), opacity 500ms ease, transform 800ms cubic-bezier(.22,.8,.24,1), filter 800ms ease;
}

.hero-aura-a {
  width: min(58vw, 920px);
  aspect-ratio: 1;
  right: 3%;
  top: 9%;
  background: radial-gradient(circle, rgba(204,193,169,calc(.10 + var(--hero-light-key) * .18)) 0, rgba(204,193,169,.11) 26%, rgba(204,193,169,0) 67%);
  filter: blur(calc(13px - var(--hero-light-grazing) * 5px));
  transform: scale(calc(.92 + var(--hero-density) * .12 + var(--hero-light-key) * .03));
}

.hero-aura-b {
  width: min(44vw, 680px);
  aspect-ratio: 1;
  right: 17%;
  bottom: -10%;
  background: radial-gradient(circle, rgba(188,207,198,calc(.09 + var(--hero-light-fill) * .12)) 0, rgba(188,207,198,.08) 34%, rgba(188,207,198,0) 70%);
  filter: blur(calc(19px - var(--hero-light-grazing) * 4px));
  transform: scale(calc(.9 + var(--hero-density) * .18 + var(--hero-light-reflectance) * .04));
}

.hero-shell[data-state='FOCUS'] .hero-aura-a,
.hero-shell[data-state='ACTIVE'] .hero-aura-a,
.hero-shell[data-state='CONTRIBUTE'] .hero-aura-a {
  opacity: calc(.17 + var(--hero-light-key) * .13);
}

.hero-shell[data-state='CONTRIBUTE'] .hero-aura-a {
  transform: scale(calc(1.02 + var(--hero-density) * .18 + var(--hero-light-contribution) * .06));
  filter: blur(calc(8px - var(--hero-light-grazing) * 3px));
}

.hero-shell[data-state='ABSORB'] .hero-aura-b,
.hero-shell[data-state='REFLECT'] .hero-aura-b {
  opacity: calc(.18 + var(--hero-light-emissive) * .55);
  transform: scale(calc(1.02 + var(--hero-density) * .2 + var(--hero-light-reflectance) * .06));
}

.hero-copy h1 {
  text-shadow: 0 2px 0 rgba(255,255,255,.35), 0 14px 34px rgba(69,64,56,.055);
}

.hero-controls {
  box-shadow:
    var(--hero-shadow),
    inset 0 1px 0 rgba(255,255,255,.96),
    inset 0 -1px 0 rgba(63,60,55,.045);
}

.hero-controls button {
  box-shadow:
    0 3px 10px rgba(50,48,43,.065),
    inset 0 1px 0 rgba(255,255,255,.94),
    inset 0 -1px 0 rgba(60,58,53,.04);
}

.hero-shell[data-state='FOCUS'] .hero-controls {
  border-color: rgba(91, 103, 94, .15);
}

.hero-shell[data-state='ACTIVE'] .hero-controls,
.hero-shell[data-state='CONTRIBUTE'] .hero-controls {
  border-color: rgba(214, 139, 32, .18);
  box-shadow:
    0 24px 68px rgba(73, 68, 60, .17),
    inset 0 1px 0 rgba(255,255,255,.97),
    0 0 0 1px rgba(214,139,32,.035);
}

@media (max-width: 760px) {
  .hero-shell::before { inset: 8% -4% 20% 12%; }
  .hero-shell::after { inset: 10px; border-radius: 20px; }
  .hero-aura-a { width: 98vw; right: -28%; top: 15%; }
  .hero-aura-b { width: 78vw; right: -4%; bottom: 8%; }
}

@media (prefers-reduced-motion: reduce) {
  #hero-canvas {
    filter: saturate(.94) contrast(1.015) brightness(calc(.98 + var(--hero-light-key) * .04));
  }
  .hero-aura { transition: opacity 300ms ease; transform: none !important; filter: blur(14px) !important; }
}

html[data-motion='reduced'] .hero-aura {
  transition: opacity 300ms ease;
  transform: none !important;
}