@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,400&family=Noto+Serif+SC:wght@300;400;600&display=swap');

html, body {
  margin: 0;
  padding: 0;
  background-color: var(--parchment);
  background-image: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.03) 100%);
  color: var(--ink);
  font-family: var(--font-serif-zh);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden; 
}

body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.04'/%3E%3C/svg%3E");
}

h1, h2, h3, p {
  margin: 0;
  font-weight: normal;
}

.en-text {
  font-family: var(--font-serif-en);
}

header {
  position: absolute;
  top: 40px;
  width: 100%;
  padding: 0 40px;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  color: rgba(181, 171, 152, 0.6);
  text-transform: uppercase;
  z-index: 10;
}

.logo {
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  font-weight: 300;
  color: rgba(181, 171, 152, 0.6);
}

.collection-name {
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: rgba(181, 171, 152, 0.6);
}

.scroll-indicator {
  position: fixed;
  top: 50%; left: 40px;
  transform: translateY(-50%);
  z-index: 100;
  mix-blend-mode: multiply;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  opacity: 0.5;
}

.scroll-line {
  width: 1px;
  height: 80px;
  background-color: rgba(181, 171, 152, 0.4);
  transform-origin: top;
}

/* Autoplay Button */
.autoplay-btn {
  position: fixed;
  bottom: 40px;
  right: 40px;
  background: transparent;
  border: none;
  font-family: var(--font-serif-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--dust);
  cursor: pointer;
  z-index: 100;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.autoplay-btn:hover, .autoplay-btn.active {
  color: var(--ink);
}