.bg-dot-grid {
  background-image: radial-gradient(rgba(15, 23, 42, 0.08) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse at top, black 40%, transparent 80%);
}
html { scroll-behavior: smooth; }
details summary::-webkit-details-marker { display: none; }