body.deck {
  background: #111827;
  color: #f9fafb;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  margin: 0;
}

.slides {
  display: grid;
  gap: 2rem;
  margin: 0 auto;
  max-width: 1100px;
  padding: 2rem;
}

.slides section {
  background: linear-gradient(135deg, #1f2937, #111827);
  border: 1px solid #374151;
  border-radius: 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  min-height: 62vh;
  padding: clamp(2rem, 6vw, 5rem);
}

.slides h1,
.slides h2 {
  color: #fbbf24;
  font-size: clamp(2rem, 7vw, 5rem);
  line-height: 1;
}