src/index.css

/* Reset and base styles */
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.app {
  min-height: 100vh;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.container {
  max-width: 64rem;
  width: 100%;
}

.title {
  color: white;
  font-size: 2rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 3rem;
}

.content-wrapper {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Scrolling sections styles */
.sections-container {
  width: 100%;
  max-width: 60rem;
  margin: 0 auto;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.sections-viewport {
  position: relative;
  width: 100%;
  height: 12rem;
  margin-bottom: 1.5rem;
}

.topmargin {
  margin-top: 16rem;
}

.section-item {
  position: absolute;
  width: 100%;
  transition: all 700ms ease-in-out;
}

.section-item.before {
  transform: translateY(-125%);
  opacity: 0.5;
  scale: 0.95;
}

.section-item.active {
  transform: translateY(0);
  opacity: 1;
  scale: 1;
}

.section-item.after {
  transform: translateY(125%);
  opacity: 0.5;
  scale: 0.95;
}

.section-content {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.section-sentence {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  color: #1a1a2e;
  white-space: pre-line;
}

.section-source {
  font-size: 0.875rem;
  font-weight: 500;
  color: #666;
}

/* Progress bar styles */
.progress-container {
  width: 100%;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  overflow: hidden;
  z-index: 9999;
  padding-left: 1em;
  padding-right: 1em;
  position: absolute;
}

.progress-bar {
  height: 100%;
  background-color: #3b82f6;
  transition: width 100ms linear;
}

/* Navigation dots styles */
.navigation-dots {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}

.dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  margin: 0 0.375rem;
  cursor: pointer;
  transition: all 300ms ease;
  border: none;
  padding: 0;
}

.dot:hover {
  background-color: rgba(255, 255, 255, 0.5);
}

.dot.active {
  background-color: #3b82f6;
  transform: scale(1.1);
}