/* Intro overlay and buttons */

#intro-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.85);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease;
}

#intro-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

#intro-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.intro-btn {
  width: 6rem;
  height: 1.8rem;
  padding: 0;
  font-size: 0.5rem;
  letter-spacing: 0.1rem;
  text-transform: uppercase;
  background: rgba(248, 250, 252, 0.1);
  border: 1px solid rgba(248, 250, 252, 0.3);
  color: rgba(248, 250, 252, 0.7);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'IBM Plex Mono', 'Inter', system-ui, sans-serif;
  font-weight: 600;
}

.intro-btn:hover {
  background: rgba(248, 250, 252, 0.2);
  color: rgba(248, 250, 252, 1);
  border-color: rgba(248, 250, 252, 0.6);
}

/* BUY button styling */
#buy-link.intro-btn {
  width: 8rem;
  height: 2.2rem;
  font-size: 0.65rem;
  letter-spacing: 0.08rem;
  background: rgba(248, 250, 252, 0.85);
  color: #0b122c;
  border: 2px solid #0b122c;
  box-shadow: 0 0 12px rgba(248, 250, 252, 0.6);
}

#buy-link.intro-btn:hover {
  background: rgba(248, 250, 252, 1);
  box-shadow: 0 0 16px rgba(248, 250, 252, 0.8);
}