:root {
    --transition-fast: 0.3s ease;
    --transition-medium: 1s ease;
    --transition-slow: 4s ease-in-out;
  }
  
  /* Blank header placeholder */
  .site-header {
    height: 60px;
  }
  
  /* Skip-to-content link */
  .skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #000;
    color: #fff;
    padding: 8px;
    z-index: 100;
    transition: top var(--transition-fast);
  }
  .skip-link:focus {
    top: 0;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: black;
    overflow-y: scroll;
    transition: background-color var(--transition-slow);
}
  
  /* Preloader */
  #preloader {
    position: fixed;
    inset: 0;
    background: #2c003e;
    z-index: 2000;
    display: flex;
    transition: opacity var(--transition-medium);
    will-change: opacity;
    justify-content: center;
    align-items: center;
  }

  /* Starburst loader */
  #loader-star {
    position: relative;
    width: 400px;
    height: 400px;
  }
  #loader-star .line {
    position: absolute;
    bottom: 50%;
    left: 50%;
    width: 6px;
    background: #fff;
    transform-origin: bottom center;
    transform: rotate(var(--angle));
    height: 0;
    transition: height var(--transition-fast);
  }
  
#welcome-section {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    min-height: 100vh;
    padding-top: 2rem;
    padding-bottom: 50px;
}
  #welcome-text-container {
    position: relative;
    text-align: center;
  }
  .welcome-text {
    font-size: 2rem;
    font-weight: bold;
    color: lightgrey;
    margin: 10px;
    line-height: 2.5rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
    will-change: transform, opacity;
  }
  
  /* Hero image overlay */
  #fade-in-image {
    position: absolute;
    opacity: 0;
    transition: opacity var(--transition-slow);
    will-change: opacity, top, left;
    width: 90%;
    height: auto;
    left: 50%;
    transform: translateX(-50%);
  }
  
  /* Artwork Section */
  .artwork-container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .artwork {
    max-width: 90%;
    max-height: 90%;
    transform: scale(0.1);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
    will-change: transform, opacity;
  }
  
  /* Scroll Indicator */
  #scroll-indicator {
    position: fixed;
    top: 0;
    right: 10px;
    width: 50px;
    height: 100vh;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
  }
  #scroll-indicator img {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }
  
body.page-loaded {
    background-color: white;
}

#ending-image {
  width: 100%;
  opacity: 0;
  transition: opacity 4s ease;
  display: block;
  margin: 0;
  height: auto;
}

#ending-image.fade-in {
  opacity: 1;
}

#ending-image.fade-out {
  opacity: 0;
}

.artwork-container {
  position: relative;
  cursor: pointer;
  width: 100%;
  margin-bottom: 2rem;
}

.artwork-container img.artwork {
  display: block;
  max-width: 100%;
  height: auto;
  transition: opacity 0.4s ease;
  margin: 0 auto;
}

.artwork-container.flipped img.artwork {
  opacity: 0;
}

.artwork-info {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  background-color: rgba(255, 255, 255, 0.75);
  box-shadow: -10px 10px 15px rgba(0, 0, 0, 0.3);
  color: black;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  text-align: center;
  max-width: 100%;
  max-height: 100%;
  white-space: pre-line;
  box-sizing: border-box;
  font-weight: bold;
}

.artwork-container.flipped .artwork-info {
  opacity: 1;
  pointer-events: auto;
}

#artwork-section {
  display: block;
  padding: 2rem;
}

.artwork-title {
  display: block;
  font-size: 1.25em;
  font-weight: bold;
  margin-bottom: 0.5em;
}

/* Fade to black when ending image comes into view */
body.fade-to-black {
    background-color: black;
}

/* Mobile optimization for artwork description boxes */
@media (max-width: 600px) {
    .artwork-info {
        width: 80vw;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* Grid gallery layout */
#grid-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  padding: 2rem;
}

#grid-gallery img {
  width: 100%;
  height: auto;
  cursor: pointer;
}

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 3000;
}

.lightbox img {
  max-width: 90%;
  max-height: 90%;
}

/* Footer styles */
.site-footer {
  background: #111;
  color: #fff;
  text-align: center;
  padding: 1rem;
}
.site-footer a {
  color: #fff;
  text-decoration: underline;
}
.instagram-link {
  display: inline-flex;
  align-items: center;
  color: inherit;
  text-decoration: none;
}
.instagram-link svg {
  width: 1em;
  height: 1em;
  margin-right: 0.5em;
  fill: currentColor;
}