/* Main horizontal scrolling container */
.gallery-section {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

.gallery-wrapper {
  display: flex;
  height: 100%;
  width: max-content;
}

/* Base slide element */
.slide {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  flex-shrink: 0;
}

/* Title Slide */
.title-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.main-title {
  font-size: 4rem; /* Adjusted to prevent overlapping with side indicators */
  letter-spacing: 0.4em; 
  font-weight: 300;
  margin-bottom: 2rem;
  margin-left: 0.4em; 
}

.subtitle {
  font-size: 1.2rem;
  letter-spacing: 0.25em;
  color: var(--ink-light); /* Darker for better contrast */
  margin-bottom: 3.5rem;
}

.title-line {
  width: 1px;
  height: 100px; /* Taller */
  background: linear-gradient(to bottom, var(--dust), transparent); /* Fade out */
  margin: 0 auto;
}

/* Editorial Frame (Replacing the old artwork card) */
.editorial-frame {
  width: 75vw;
  max-width: 1200px;
  height: 65vh;
  display: flex;
  position: relative;
  /* Removed top/bottom borders for boundless feel */
  padding: 60px 0;
  box-sizing: border-box;
}

.watermark-number {
  position: absolute;
  top: 55%; /* Shifted down slightly */
  left: -2%;
  transform: translateY(-50%);
  font-size: 45vw; /* Slightly larger */
  font-family: var(--font-serif-en);
  font-weight: 300;
  color: var(--ink);
  opacity: 0.02;
  z-index: 0;
  pointer-events: none;
  line-height: 1;
  user-select: none;
}

.meta-column {
  flex: 0 0 25%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-right: 60px;
  border-right: 1px solid rgba(181, 171, 152, 0.3);
  z-index: 1;
  text-align: right; /* Anchors the text to the dividing line */
}

.content-column {
  flex: 1;
  padding-left: 80px;
  display: flex;
  align-items: center;
  z-index: 1;
}

.exhibit-label {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--dust);
  display: block;
  margin-bottom: 2.5rem;
  text-transform: uppercase;
}

.chapter-title {
  font-size: 3.5rem; /* Larger */
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.chapter-subtitle {
  font-size: 1.1rem;
  letter-spacing: 0.25em;
  color: var(--rust);
  font-weight: 300;
}

.meta-bottom {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--dust); /* Softer text */
  line-height: 2;
}

.artwork-text {
  font-size: 1.25rem;
  line-height: 2.4;
  letter-spacing: 0.1em;
  color: var(--ink);
  text-align: justify;
  max-width: 700px;
}

/* Robust Drop Cap */
.artwork-text::first-letter {
  float: left;
  font-size: 4rem;
  line-height: 0.85;
  padding-top: 0.2rem;
  padding-right: 0.8rem;
  font-family: var(--font-serif-zh);
  font-weight: 300;
  color: var(--rust);
}

/* Fin Slide */
.fin-content {
  text-align: center;
}

.fin-line {
  width: 60px;
  height: 1px;
  background-color: var(--dust);
  margin: 0 auto 3rem;
}

.fin-title {
  font-size: 2rem;
  margin-bottom: 3rem;
  color: var(--ink);
}

.back-to-top {
  display: inline-block;
  padding: 1rem 3rem;
  border: 1px solid var(--dust);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: all 0.5s ease;
}

.back-to-top:hover {
  background-color: var(--ink);
  color: var(--parchment);
  border-color: var(--ink);
}

/* Mobile Fallback */
@media (max-width: 768px) {
  .gallery-section {
    height: auto;
    overflow: visible;
  }
  
  .gallery-wrapper {
    flex-direction: column;
    width: 100%;
    height: auto;
  }
  
  .slide {
    height: auto;
    min-height: 100vh;
    padding: 60px 20px;
    box-sizing: border-box;
  }
  
  .editorial-frame {
    width: 100%;
    height: auto;
    flex-direction: column;
    padding: 40px 0;
    border-top: none;
    border-bottom: none;
  }
  
  .watermark-number {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    font-size: 15rem;
    opacity: 0.03;
  }
  
  .meta-column {
    padding-right: 0;
    border-right: none;
    border-bottom: 1px solid rgba(181, 171, 152, 0.4);
    padding-bottom: 40px;
    margin-bottom: 40px;
    text-align: center;
  }
  
  .content-column {
    padding-left: 0;
  }
  
  .main-title {
    font-size: 3rem;
  }
  
  .chapter-title {
    font-size: 2.2rem;
  }
  
  .scroll-indicator {
    display: none;
  }
}