.board-section {
  position: relative;
}

.board-section--pinned {
  margin-bottom: 1.75rem;
}

.board-section--regular {
  padding-top: 0.5rem;
}

.board-post-card {
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 14px;
  padding: 1.25rem;
  margin: 0.75rem;
  background: rgba(16, 20, 27, 0.85);
  backdrop-filter: blur(4px);
  box-shadow: 0 14px 30px rgba(6, 8, 12, 0.35);
  transition: transform 180ms ease, box-shadow 200ms ease;
}

.board-post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(6, 8, 12, 0.45);
}

.board-post-card--pinned {
  border: none;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 255, 255, 0.08));
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.45);
  position: relative;
  overflow: hidden;
}

.board-post-card--pinned::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(135deg, #00ff11cc, rgba(255, 255, 255, 0.2));
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.board-post-card--pinned h3 a {
  color: #00ff229d;
}