:root {
  --ocean-deep: #020d1a;
  --biolume: #00e5ff;
  --white: #f0f8ff;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Sans 3', sans-serif;
  --canvas-w: 860px;
}
*, *::before, *::after {box-sizing: border-box; margin: 0; padding: 0;}

html { scroll-behavior: smooth;}

body {
  background-color: var(--ocean-deep);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  min-height: 100vh;
}

header {
  text-align: center;
  padding: 3rem 2rem 2rem;
}

header::after {
  display: none;
}

header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--white);
}

main {
  display: flex;
  justify-content: center;
  padding: 1rem 1rem 3rem;
}

.canvas-wrapper {
  width: var(--canvas-w);
  max-width: 100%;
  border-radius: 10px;
}

#quizCanvas {
  display: block;
  width: 100%;
  height: auto;
}

.info-section {
  background: rgba(5, 58, 95, 0.2);
  padding: 3rem 2rem;
}