:root {
  --lk-void: #07080b;
  --lk-depth: #101522;
  --lk-mist: #dce7e8;
  --lk-cyan-light: #9adce0;
  --lk-lilac-light: #c7b5e8;
  --lk-amber-light: #e6c794;
  --safe-top: max(18px, env(safe-area-inset-top));
  --safe-right: max(18px, env(safe-area-inset-right));
  --safe-bottom: max(18px, env(safe-area-inset-bottom));
  --safe-left: max(18px, env(safe-area-inset-left));
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--lk-void);
  color: var(--lk-mist);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;
}

body {
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
}

button { font: inherit; }

#artwork,
#canvas-container,
#canvas-container canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
}

#canvas-container {
  touch-action: none;
  background:
    radial-gradient(circle at 50% 42%, #101522 0%, #080a0f 38%, #07080b 76%);
}

#canvas-container canvas {
  display: block;
  outline: none;
}

.artwork-title {
  position: fixed;
  z-index: 2;
  top: var(--safe-top);
  left: var(--safe-left);
  max-width: min(72vw, 520px);
  pointer-events: none;
  opacity: 0;
  animation: title-arrival 5.8s cubic-bezier(.22, .8, .22, 1) .4s both;
}

.eyebrow {
  margin: 0 0 8px;
  color: rgba(220, 231, 232, .46);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .17em;
  line-height: 1.4;
  text-transform: uppercase;
}

.artwork-title h1 {
  margin: 0;
  font-size: clamp(18px, 2.3vw, 30px);
  font-weight: 420;
  letter-spacing: -.025em;
}

.artwork-title > p:last-child {
  margin: 5px 0 0;
  color: rgba(220, 231, 232, .54);
  font-size: 12px;
  letter-spacing: .15em;
}

.gesture-hint {
  position: fixed;
  z-index: 2;
  left: 50%;
  bottom: calc(var(--safe-bottom) + 20px);
  width: min(84vw, 480px);
  margin: 0;
  transform: translateX(-50%);
  color: rgba(220, 231, 232, .68);
  font-size: 12px;
  letter-spacing: .08em;
  line-height: 1.8;
  text-align: center;
  pointer-events: none;
  opacity: 0;
  animation: hint-cycle 7s ease 1.8s both;
}

.gesture-hint span {
  color: rgba(220, 231, 232, .42);
  font-size: 11px;
  letter-spacing: .12em;
}

@keyframes title-arrival {
  0% { opacity: 0; transform: translateY(8px); }
  18%, 68% { opacity: .82; transform: translateY(0); }
  100% { opacity: .28; transform: translateY(0); }
}

@keyframes hint-cycle {
  0%, 100% { opacity: 0; transform: translate(-50%, 6px); }
  18%, 68% { opacity: 1; transform: translate(-50%, 0); }
}

@media (orientation: portrait) {
  .artwork-title { max-width: 76vw; }
}

@media (prefers-reduced-motion: reduce) {
  .artwork-title { animation-duration: 1.2s; }
  .gesture-hint { animation-duration: 4.5s; }
}