@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;700&family=Noto+Serif+SC:wght@400;700;900&family=Oswald:wght@400&display=swap');

:root {
  --white: #ffffff;
  --warning: #f8b733;
  --gray: #a0a0a0;
  --accent: #bd8d0a;
  --black: #000000;
  --bg: #1a1a1a;
  --super-light: rgba(153, 161, 175, 0.5);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg);
  color: var(--white);
  font-family: 'Noto Sans SC', sans-serif;
  overflow: hidden;
  width: 100vw;
  height: 100vh;
}

#app {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease-in-out, transform 0.6s ease-in-out;
  transform: translateX(100%);
  overflow: hidden; /* Ensure content doesn't spill */
}

.slide.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.slide.prev {
  opacity: 0;
  transform: translateX(-100%);
}

/* Specific positioning styles matching Figma */
#slide-1 .slide-content {
  background-color: var(--white);
}

#slide-8 .slide-content {
  background-color: var(--white);
}

#slide-9 .slide-content {
  background-color: var(--white);
}

#slide-11 .slide-content {
  background-color: var(--white);
}

#slide-12 .slide-content {
  background-color: var(--white);
}

#slide-13 .slide-content {
  background-color: var(--white);
}

/* Typography Utility Classes */
.font-serif {
  font-family: 'Noto Serif SC', serif;
}

.font-sans {
  font-family: 'Noto Sans SC', sans-serif;
}

.font-oswald {
  font-family: 'Oswald', sans-serif;
}

.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }

.text-warning { color: var(--warning); }
.text-gray { color: var(--gray); }
.text-accent { color: var(--accent); }
.text-white { color: var(--white); }
.text-black { color: var(--black); }

/* Common Components */
.divider {
  background-color: var(--gray);
  opacity: 0.5;
  height: 1px;
  width: 100%;
}

.accent-divider {
  background-color: var(--accent);
  height: 2px;
  width: 60px;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeftFade {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-in {
   opacity: 0;
   transition: opacity 0.5s ease-out;
 }
 
 .slide.active .animate-in {
   animation: fadeIn 0.8s ease-out forwards;
 }
 
 .animate-slide-left {
   opacity: 0;
   transform: translateX(-50px);
   transition: opacity 0.5s ease-out, transform 0.5s ease-out;
 }
 
 .slide.active .animate-slide-left {
   animation: slideInLeftFade 0.8s ease-out forwards;
 }

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

/* Navigation Controls */
.nav-controls {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  gap: 10px;
}

.nav-btn {
  background: rgba(128, 128, 128, 0.1);
  border: 1px solid rgba(128, 128, 128, 0.2);
  color: #888888;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.3s ease;
  backdrop-filter: blur(2px);
  min-width: 36px;
  text-align: center;
}

.nav-btn:hover {
  background: rgba(128, 128, 128, 0.25);
  color: #555555;
  border-color: rgba(128, 128, 128, 0.4);
}

/* Interactive Effects */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.hover-lift:hover {
  transform: translateY(-10px) !important;
  /* box-shadow removed as requested */
}

/* Fragments */
.fragment {
  opacity: 0;
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
  transform: translateY(20px);
}

.fragment.visible {
  opacity: 1;
  transform: translateY(0);
}